OpenGLRenderer.cpp revision 54f574acf4dd5483170b8f79e2f7c70b58763ce7
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 34c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy#include "Fence.h" 3765cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 39a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 41e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 50759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 51f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 52dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 53713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 54d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 67889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 70026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 84d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 86026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 87e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 9087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 91f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 105d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 108f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 111448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 112448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 113448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 114448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 115448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 116448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 117448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 118448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 119f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 120f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1223bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1233bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 124527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 125527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 12616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 127026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 128ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 129ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 130ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 13196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 13278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = false; 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 135e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 136e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 13829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 13929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 140e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 141e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 14287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 14387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 14487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 14587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 14687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 14787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 14887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 14987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 15087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 15113631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 15213631f3da855f200a151e7837ed9f6b079622b58Romain Guy 15313631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 154f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 155f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 156f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 157ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyvoid OpenGLRenderer::setName(const char* name) { 158ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy if (name) { 159ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.setTo(name); 160ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } else { 161ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.clear(); 162ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } 163ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 164ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 165ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyconst char* OpenGLRenderer::getName() const { 166ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy return mName.string(); 167ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 168ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 16949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 17049c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 17149c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 17249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 17385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 17435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 17535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 17735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 17835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 18035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 18135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 183260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 184bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 185bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 186bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 187eb99356a0548684a501766e6a524529ab93304c8Romain Guy 188eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 189eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 190e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 191e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 193c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 194fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 195fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 19696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1988aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 19984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 2008fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 201f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2027d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 2035f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 20496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 205ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 20696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 20796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 20896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 20911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 21096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 21196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 21296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 21345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 21496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glViewport(0, 0, mWidth, mHeight); 2157d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 21654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 21754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 21854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 21954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 22054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 2215f803623559aab395a29d575c37c4e39c23a4b4eChris Craik startTiling(mSnapshot, true); 2222b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2237c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2247c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 22796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 22896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepare(bool opaque) { 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 23496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 23578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 23696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 23796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 23996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 24096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 24196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 24296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mSnapshot->fbo == 0) { 24396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 24496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 24596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 24696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 24796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 24896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 24996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2507c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2517c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 252dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 253dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 254dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 255dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2563bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 257dcfc836b457a87881da409e1acf251515f121446Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 258f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 259f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 260f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 261f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 262dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 263dcfc836b457a87881da409e1acf251515f121446Romain Guy } 264dcfc836b457a87881da409e1acf251515f121446Romain Guy} 265dcfc836b457a87881da409e1acf251515f121446Romain Guy 2667c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 26778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 268586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 269ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2706b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 27144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 272ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 27344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2747c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 27544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 276ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 277ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 278ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 279ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 280ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 281ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 282ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2836b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 284bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 285bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 28657b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 28754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 2885f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect* clip = &mTilingClip; 289c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (s->flags & Snapshot::kFlagFboTarget) { 2905f803623559aab395a29d575c37c4e39c23a4b4eChris Craik clip = &(s->layer->clipRect); 29154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 29254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 293c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(*clip, s->height, opaque); 294c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 295c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 296c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 297c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 298c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 299c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 30052036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 3012b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 3022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3042b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 30554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 3062b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3072b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 308b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 3097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3112b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 312ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 313ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 314ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 315ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 316ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 317ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 31811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 319b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 32011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 32111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 32211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 32311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 32411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 32511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 32611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 32711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 32811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 32911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 33011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 33111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 33211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 33311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 33411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 33511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 33611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 337a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 338b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 33911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 340c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 341e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 34211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 34311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 34411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 34511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 346c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 34711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 34896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 34978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 35078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 35178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 35278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 35396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 354b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 355b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3566c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 357da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 358da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 359da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 360da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 361da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 362da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 3639ab2d1847552aa4169b4325aae1b1368d6947a9fChris Craik mCaches.resetActiveTexture(); 36450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 36515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 366f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 367ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 3687c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 369da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 370da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3716c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 37208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 37308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 37435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3757c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 37635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3773e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3783e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3798025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 380586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 38182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 382746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 383da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 384a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 3858aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.resetBoundTextures(); 38650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 38750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 38850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 38950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 39050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 391da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 392da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 39335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 39435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 39535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 39635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3977c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 39835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 39935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 40035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 40135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 40235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 403ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 404932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 405ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 4068f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 407ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 408ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 409ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 4108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 411ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 412ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 4133d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 4148f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 415ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 416d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 417ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 418ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 419ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 420ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 421ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 422ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 423ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 424ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 425ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 426ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 427ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 428ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 429ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 430ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 431ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 432ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 433ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 434c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 435ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 436ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 437c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 438ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 439c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 440c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 4418f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4428f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 443d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 4448f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4458f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4468f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 4478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 4488f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4498f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 450408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 451408eb12631376cbdc96803e918decf6ea804d346Chris Craik 452932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 453c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 454d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 45580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 45680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 45780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 458d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 459d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 460d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 461d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 462d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 463d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 46408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 46508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 46608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 46708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 46808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 46908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4707b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4717b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 47208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 47380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 47454f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 47554f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 47654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setScissorFromClip(); 47754f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 47854f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 47954f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik mCaches.enableScissor(); 48054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik interrupt(); 48154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 48254f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // call functor immediately after GL state setup 4834a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 484cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4858f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 48608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 487cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4888f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 48965924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 490ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4918f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 492cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 493cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 494daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4954a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik return result | DrawGlInfo::kStatusDrew; 496daf98e941e140e8739458126640183b9f296a2abChet Haase} 497daf98e941e140e8739458126640183b9f296a2abChet Haase 498f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 49987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 50087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 50187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 5020f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 5030f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 5040f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 5050f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 50687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 50787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 50887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 50987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 51087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 51187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 51287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 51387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 51487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 51587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 51687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 51787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 51887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 51987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 52087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 52187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 52287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 52387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 52487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 52587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 52687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 52787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 52887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 52987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 5305f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 53187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 53287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 5335f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mCaches.setScissor(clip->left, mFirstSnapshot->height - clip->bottom, 53487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 53587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 536627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 53787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 538627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 539627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 540627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 54187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 542627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 543627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 544627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 54587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 546627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 547627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 548627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 54987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 550627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 551627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 55287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 55387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 55487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 55587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 55678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 55778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t count = mWidth * mHeight; 55878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 55978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glReadPixels(0, 0, mWidth, mHeight, GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 56078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 56278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 56378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 56478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 56578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 56778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 56978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 57078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 57187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 57311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 57411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 57696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && 57796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->displayList && layer->displayList->isRenderable()) { 578405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 579405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 58011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 58111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5827c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5837c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5847c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5857c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 58611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 58796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 58802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 58996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 59096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 59196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 59511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5985bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 59934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 60011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 60111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 60211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 60311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 60411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 60511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 60611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 60711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 60896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 60996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 61096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 61111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 61211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 61396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 61496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 61596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 61696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 61796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 61811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 6191206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6201206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 62111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 62211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 62396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 62496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 62596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 62711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 62896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 62996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 63096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 63196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 63296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 63396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 63496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 63596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 63696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 63796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 63896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 63996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 64096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 64196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 6421206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6431206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 64496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 64502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 64602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 647405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 64802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 64902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 650405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 651405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 65202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 65302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 65496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 65596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 65696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 65796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 65811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 65996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 66011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 66111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 66211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 66311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 66411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 66511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 66602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 66702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 66802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 66902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 67002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 67102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 67202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 67302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 67402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 67511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 67611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 67711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 67811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 67911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 680e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 681e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 682e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 683e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 684e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 685e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 686e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 687e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 688e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 689e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 690e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 691e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 69211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 69311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 69411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 69511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 69611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 69711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 69811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 69911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 70011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 70111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 70211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 70311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 704405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 705405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 706405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 707405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 708405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 709405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 710405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 711405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 71211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 713f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 714f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 715f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 716bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 7177ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 718bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 719bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 720bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 7218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 722bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 723bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 724bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 7252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 7262542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 7277ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 728bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 729bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 730bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 7318fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 732bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 7338fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 7342542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 7357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 736bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 737bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 7388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 7398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 7408fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 741bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 742bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 743bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 7447ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 745bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 746eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 747bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 748bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 7497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 750bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 751eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 752eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 753eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 754eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 755eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 756eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 7588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 7598b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 7602542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 761746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 7628fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 7632542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 7645ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 7657273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 7667273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 7675ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 7687273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 7695ec9924d24495822b589f1a17996655d66273b30Romain Guy } 7705ec9924d24495822b589f1a17996655d66273b30Romain Guy 7712542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 772d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 7735cbbce535744b89df5ecea95de21ee3733298260Romain Guy 774f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 775bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 776bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 777bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 778bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 779ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 780eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 781eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 782d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 783af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 784d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 785dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 786d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 787d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 788bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 789bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 790d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 791d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 792d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 793d90144db52c7297879b950cbbc85137ed123ab5bChris Craik currentTransform().mapRect(bounds); 794d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 795d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 796d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (bounds.intersect(*mSnapshot->clipRect)) { 797d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 798d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 799d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 800d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 801d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 802d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 803d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!bounds.intersect(mSnapshot->previous->viewport)) { 804d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 805d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 806d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 807d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 808d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.loadInverse(currentTransform()); 809d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 810d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 811d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 812d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 813d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 814d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 815d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 816d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 817d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 818d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 819d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 820d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 821d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 822d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 823408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 824408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 825408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 826408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 827408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 828408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 829408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 830408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 831408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 832408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 833408eb12631376cbdc96803e918decf6ea804d346Chris Craik 834d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 835d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 836d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const GLuint previousFbo = mSnapshot->fbo; 837d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 838d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 839d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!mSnapshot->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 840d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 841d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 842d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 843d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 844d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 845d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 846d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 847408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, true, alpha); 848d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 849408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (!mSnapshot->isIgnored()) { 850d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 851d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 8520e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 853d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 854d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 855d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 856d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 857d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 858d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 859d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 8601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 8621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 8631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 8641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 8651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 8661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 8671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 8691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 8701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 8711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 8721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 8731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 8741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 8751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 8776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 8786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 8796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 8806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 8811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 8831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 8841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 88587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 8861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 8871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 8881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 8901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 8911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 8921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 8931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 8941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 8961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 8971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 8981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 8991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 9001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 9011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 9021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 9031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 9041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 90587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 90687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 90787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 90887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 90987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 9101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 911d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 912d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 913eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 914fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 915dda570201ac851dd85af3861f7e575721d3345daRomain Guy 916eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 917eb99356a0548684a501766e6a524529ab93304c8Romain Guy 918f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 919d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 9208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 921d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 922408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, alpha); 923dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 924dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 925408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (mSnapshot->isIgnored()) { 926b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 927b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 928dda570201ac851dd85af3861f7e575721d3345daRomain Guy 929a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9308550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 931f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 932f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 933bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 934bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 9359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 9368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 9379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 9389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 939c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 940a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 9417c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 942dda570201ac851dd85af3861f7e575721d3345daRomain Guy 9438fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 944d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 945d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 9461d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 9477273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 948eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 949d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 950eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 951eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 9529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 953514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 955b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 956b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 957b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 958b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 959b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 960b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 9619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 962514fb18827186591d66973c2362c859b64b63556Romain Guy } 9637b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 964b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 965b254c242d98f4a9d98055726446351e52bece2c6Romain Guy mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 966b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 969ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 970eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 971f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 972d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 973bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 974bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 975d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 976c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 9779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 979d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 980c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 981c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 982d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 983d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 984d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 985d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 986d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 987d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 9885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9892b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9907c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 9929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 9945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 9969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 9970908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 9989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 10029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 10035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1004f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 10055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 1007586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 10088f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 10105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 10115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 10135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 10155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 10165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 10175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 10195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 10221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 10231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 10241d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 10251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 10263762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 10271d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 10281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 10308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 10318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 10325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 1033eb99356a0548684a501766e6a524529ab93304c8Romain Guy 103439a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 103539a908c1df89e1073627b0dcbce922d826b67055Chris Craik quickRejectNoScissor(rect, &clipRequired); // safely ignore return, should never be rejected 103639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 103739a908c1df89e1073627b0dcbce922d826b67055Chris Craik 1038eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10392b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 10402b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1041e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 1042e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 10438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 10458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1046eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 1047eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 10487c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 10492b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 10502b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 1051eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 1052eb99356a0548684a501766e6a524529ab93304c8Romain Guy 10539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 1054f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 10559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 10579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 1058f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 1059f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10618b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 1062a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 1066eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 10689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 10699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 1070171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 10729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 1073171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 1074171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 10769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 10779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 1078eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 10791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1080746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 1081746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1082eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 10838550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 10841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 1085603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 10861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 10881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1089aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 10902458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 1091aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1092aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 10939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10948f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 10958f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10968f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 10978f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10988f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 1099aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1100aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 11019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 1102aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 1103aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 1104aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 11059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 11069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 11078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 11089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 11098f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 11103b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 1111ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1112ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 11133b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11143b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1116d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 11179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1119d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 11209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 11219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 1123aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 1124aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1125aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1126aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1127aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 11285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 11299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 1130aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1131aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1132aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 11359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 11363b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 1137ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1138b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1139b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1140b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 11419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 11429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 11433b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11443b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1147d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 11489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1149d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 11509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 115216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha = getLayerAlpha(layer); 1153e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik bool blend = layer->isBlend() || alpha < 1.0f; 11549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 1155e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik layer->getTexture(), alpha, layer->getMode(), blend, 11569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 11585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1159aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1160aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1161aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1162aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1163aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1164aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 11655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 116734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 116834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 116934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 117034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 117134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 117234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 117334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 117434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 117534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 117634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 117734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 117834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 117934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 118034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 118134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 118234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 118334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 11845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11869fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11879fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 118834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11899fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1194211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 11955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 11966c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 11976c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 11986c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11996c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 12006c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 12016c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 12026c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 12036c5b9be7450903762f676522c32d65f7545730dfChris Craik } 12045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 120516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float alpha = getLayerAlpha(layer); 12069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 12079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1208f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 12095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 12118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 12138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 12148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 12155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 121603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy uint32_t numQuads = 0; 12175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12187230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 12197230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1220ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 12219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 12227230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 12237230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 12247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1225ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 12269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 12273b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 12283b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 12293b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 12309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1231d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 12329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 12339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1234d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 12359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 12369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 123715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 12385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 12405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 12415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1243f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1245f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 12465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 12485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 12495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 12505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 12515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 12545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 125531e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy if (numQuads >= gMaxNumberOfQuads) { 125634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 125734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 12595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 12605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 126434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 126534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 12705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 12735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 12773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 12963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 12973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 12983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 13003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 13013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 13028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 13038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 13048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 13058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 13078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 13088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 13098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 13108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 13118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 13128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 13138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 13148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1316448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawColorRects(rects.array(), rects.size(), color, mode, true, dirty, false); 13178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1321f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 13235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1324f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1330f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1332f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13331bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 13341bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 13351bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 13361bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 13371bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 13381bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 13391bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 13401bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 13411bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 13425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1346448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::drawIndexedQuads(Vertex* mesh, GLsizei quadsCount) { 1347448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1348448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1349448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1350448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1351448455fe783b0a711340322dca272b8cc0ebe473Romain Guy setupDrawIndexedVertices(&mesh[0].position[0]); 1352448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1353448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1354448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1355448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1356448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1357448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1358448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1359448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1360448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 136154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 136254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 136354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 136454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 136554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 136654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 136754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 136854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 136954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 137154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 137254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 137454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1375448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 137654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 137754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 137954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 138054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 138154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 138254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 138354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 138454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 138554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 138654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 138754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1388e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1389e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1390e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1391e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 139254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 139354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 139454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 139554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 139654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 139754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 139854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 139954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1400448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawIndexedQuads(&mesh[0], count); 14018a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 14028a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 140354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 140454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 140554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 140654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1407e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 140854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 140954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 141054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1411bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1412c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1413c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1414c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1415ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1416c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1417c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1418c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1419ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1420ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1421ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1422ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik currentMatrix.mapRect(state.mBounds); 142328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 14245e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 14255e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 14265e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 14275e49b307eb99269db2db257760508b8efd7bb97dChris Craik 142828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if(!clippedBounds.intersect(currentClip)) { 1429ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1430ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1431ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 143228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1433a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 143428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (!currentClip.contains(state.mBounds)) { 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.left > state.mBounds.left) flags |= kClipSide_Left; 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.top > state.mBounds.top) flags |= kClipSide_Top; 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.right < state.mBounds.right) flags |= kClipSide_Right; 144028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 144128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 144228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1443ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1444d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1445d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1446d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1447ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mBounds.set(currentClip); 1448c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1449ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1450ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1451527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1452527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1453ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.set(currentClip); 1454c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1455c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14567273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14577273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1458c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 14597273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 14607273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mAlpha = mSnapshot->alpha; 1461c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1462c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1463c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1464527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 14653b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 14667273daace9303f4662444111c40bb83d3ead4a92Chris Craik mDrawModifiers = state.mDrawModifiers; 14677273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 1468ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1469527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 147028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 147128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1472ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1473ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1474c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1475c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 147628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 147728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 147828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 147928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 148028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 148128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 148228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 148328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 148428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 148528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 148628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 148728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(0, 0, mWidth, mHeight); 148828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1489527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 149028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1491527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1492527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1493c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1494f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1495f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1496f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1497f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 14984c2547fa9244e78115cde0a259291053108c3dc7Romain Guy currentTransform().translate(dx, dy); 1499f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1500f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1501f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 15023b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1503f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1504f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1505f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 15063b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1507f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1508f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1509807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 15103b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1511807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1512807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1513f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1514e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 15153b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1516e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 15173b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1518e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1519f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1520f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1521b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 15223b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1523b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1524b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1525f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 15263b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1527f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1528f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1529f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1530e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 15313b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1532e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 15333b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1534f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1535f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1536f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1537f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1538f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1539f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1540bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1541e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1542e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 15438f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 15448a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 15458a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 15468a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 15478a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 15489d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 15499d5316e3f56d138504565ff311145ac01621dff4Romain Guy 15508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 15518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 15528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 15538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 15548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 15558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 15568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 15608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 15618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1562c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1563c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1564c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1565c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1566c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 15678d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 15683bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 15698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1570c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1571f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 15728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 15768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 15778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 15788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 15798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 15808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 15818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 15858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 15878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 15948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 15958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 16018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 16028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 16038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 16053ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16063ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 16073ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 16083ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 16093ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 16103ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 16118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 16128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 16138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 16168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16179d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1618079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1619bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1620bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 162139a908c1df89e1073627b0dcbce922d826b67055Chris Craikbool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 16225e49b307eb99269db2db257760508b8efd7bb97dChris Craik bool snapOut, bool* clipRequired) { 162339a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 16248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 16258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 16268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 16278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 16283b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 16295e49b307eb99269db2db257760508b8efd7bb97dChris Craik 16305e49b307eb99269db2db257760508b8efd7bb97dChris Craik if (snapOut) { 16315e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapOut is generally used to account for 1 pixel ramp (in window coordinates) 16325e49b307eb99269db2db257760508b8efd7bb97dChris Craik // outside of the provided rect boundaries in tessellated AA geometry 16335e49b307eb99269db2db257760508b8efd7bb97dChris Craik r.snapOutToPixelBoundaries(); 16345e49b307eb99269db2db257760508b8efd7bb97dChris Craik } else { 16355e49b307eb99269db2db257760508b8efd7bb97dChris Craik r.snapToPixelBoundaries(); 16365e49b307eb99269db2db257760508b8efd7bb97dChris Craik } 16378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 16388a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 16398a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 16408a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 164139a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (!clipRect.intersects(r)) return true; 164235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 164339a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (clipRequired) *clipRequired = !clipRect.contains(r); 164439a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 164535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 164635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1647672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1648672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 16495e49b307eb99269db2db257760508b8efd7bb97dChris Craik // AA geometry will likely have a ramp around it (not accounted for in local bounds). Snap out 16505e49b307eb99269db2db257760508b8efd7bb97dChris Craik // the final mapped rect to ensure correct clipping behavior for the ramp. 16515e49b307eb99269db2db257760508b8efd7bb97dChris Craik bool snapOut = paint->isAntiAlias(); 16525e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1653cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1654cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 16555e49b307eb99269db2db257760508b8efd7bb97dChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset, snapOut); 1656cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 16575e49b307eb99269db2db257760508b8efd7bb97dChris Craik return quickReject(left, top, right, bottom, snapOut); 1658cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1659cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1660cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 16615e49b307eb99269db2db257760508b8efd7bb97dChris Craikbool OpenGLRenderer::quickReject(float left, float top, float right, float bottom, bool snapOut) { 166239a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 16635e49b307eb99269db2db257760508b8efd7bb97dChris Craik if (quickRejectNoScissor(left, top, right, bottom, snapOut, &clipRequired)) { 1664dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1665dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1666dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 166739a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (!isDeferred()) { 166839a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1669586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 167039a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1671c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1672c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 16738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1674735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 16758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 16768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 16778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 16798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1680735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 16818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 16823b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 16838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 16848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1686735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 16878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 16887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 16898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 16918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 16928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1693b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy return OpenGLRenderer::clipPath(&path, op); 1694e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1695e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1696735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 16978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 16983b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 16998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 17018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 17028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 1704b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy if (!mSnapshot->previous->clipRegion->isEmpty()) { 1705b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy clip.setRegion(*mSnapshot->previous->clipRegion); 17068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 1707b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy if (mSnapshot->previous == mFirstSnapshot) { 1708b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy clip.setRect(0, 0, mWidth, mHeight); 1709b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy } else { 1710b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy Rect* bounds = mSnapshot->previous->clipRect; 1711b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 1712b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy } 17138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 17168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 17178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 17198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 17208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 17218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1723735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1724735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1725735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 17268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 17278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 17288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 17298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1731735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1732735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1733a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1734a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1735a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1736a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1737f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 173970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 174070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 17428a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 17438a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 174454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 17458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 17468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1747b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1748b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1749b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1750b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 17518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17533ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 17553ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 175770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 175870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 175970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 176070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 17613ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 17623ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 17633ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 17643ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 17653ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 17663ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 176778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 176878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 176970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 177170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 177270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 177370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 177470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1776ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1777ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1778ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1779ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1780ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1781ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1783aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1784aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1785aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 178615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1787ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 178815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 178915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1790710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 179199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 17925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17948d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 17958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1796886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1797886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1798886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 179970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 180070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 180170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 180486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1805886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1806886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1807886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 180886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 180986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 181086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 181186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 18124121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 18134121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 18144121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18154121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 181670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 181770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 181870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 181970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 182070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 182170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 182270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 182370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1826c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1827c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 182870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 182970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 183170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1832c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1833c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 183470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 183570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1837f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1838f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1839f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1840f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 184154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1842f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1843f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1844f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 184570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1846f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1847f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1848f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1849c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1850c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1851c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 185270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 185470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1855f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1856f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1857f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1858c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1859c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1860c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1861c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 186270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 186570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 186670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 186970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 187070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 187170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 187270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 187370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 187470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 187570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 18763b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 18773b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 187870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1879c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 188070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 188170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 188270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 188370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 18853b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 18868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 18878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 188870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 188970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 189070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 189170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 189270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 189370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 189470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 189570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 189686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 189786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 18983b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 189986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 19003b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 190186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 190286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1903c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 190486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 190586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 190670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 190770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 190870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1909c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 191070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 191170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 191270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 191370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 191486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 19155536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 191686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 19175536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 19185536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 19195536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 192070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1921c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 192270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 19233b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 192470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1925c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1926c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 192770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 192870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 192970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19308d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1931c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1932c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1933c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 19348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 19358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 19368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 193770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1938c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1939c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 194070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 194170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 194270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19434121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 19444121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 19454121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 19464121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 194770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1948f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1949cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 195015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 195170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 195270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 195370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1954257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 19552d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 195615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 195770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 195870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1959aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1960aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 19612d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 196215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1963aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1964aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 19658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 19668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 19678f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 19688f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 19698f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1973aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 197470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1975f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 19763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1977f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 197870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1979f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 198070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1981d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1982cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 198315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1984cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 198515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 198615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 198715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 198815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 198915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1990ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1991ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1992ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1993ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1994ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1995ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1996ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1997ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1998ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1999ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2000ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 2001ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 2002ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2003ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2004ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 2005ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 2006ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 20073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 20083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 20093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 20103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 20113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 20123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 20133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 20143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 20153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 20163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 20173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.bindIndicesBuffer(); 20183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2019cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 202015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 2021cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 20228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 202370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 202470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 2025448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 2026f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 2027448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mCaches.bindIndicesBuffer(); 2028cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 20295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 203170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 2032f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 2033f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 2034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2035ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 2036ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 203758d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 20380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 20390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 204004c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 2041d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 204258d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 2043ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 2044ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 204558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 2046c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 2047c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 204828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 204928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik DeferredDisplayList deferredList(*(mSnapshot->clipRect), avoidOverdraw); 2050ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 2051ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 205296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 205396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 205458d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 205596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 205658d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | deferredList.flush(*this, dirty); 20570fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 20587b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 20596554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 20600fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 20610fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 2062c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 2063ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 20647031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 2065ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 2066ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 2067ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 2068a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 2069a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 2070a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 2071a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 2072a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2073886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 2074886b275e529e44a59c54b933453d9bc902973178Romain Guy 2075a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 2076a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 2077a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2078886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2079886b275e529e44a59c54b933453d9bc902973178Romain Guy 2080a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 20813b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 20823b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 20833b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 2084a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 2085a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2086886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 2087886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2088886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 20895b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 2090e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 20913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 20923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 2093886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 20943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2096a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2097a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 209803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 209903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 210003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 210103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 210203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 210355b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guystatus_t OpenGLRenderer::drawBitmaps(SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 210455b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy TextureVertex* vertices, bool transformed, const Rect& bounds, SkPaint* paint) { 2105527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 210655b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2107527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 21083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2109527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2110527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2111527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int alpha; 2112527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik SkXfermode::Mode mode; 2113527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik getAlphaAndMode(paint, &alpha, &mode); 2114527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2115527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 21162db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy texture->setFilter(transformed ? FILTER(paint) : GL_NEAREST, true); 2117527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2118527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2119527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 2120527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2121527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int color = paint != NULL ? paint->getColor() : 0; 2122527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2123527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, paint != NULL, color, alpha, mode, 2124527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 212503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, bitmapCount * 6, true, true, false); 2126527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2127527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2128527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, alpha / 255.0f, mode, texture->blend, 2129527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 213003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, bitmapCount * 6, false, true, 0, true, false); 2131527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2132527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2133527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2134527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2135527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2136486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 21376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 21386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 21396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 21406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2141486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2144a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2146486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 214722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 214822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 2149211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2150a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2151a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2152a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2153a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2154486590963e2207d68eebd6944fec70d50d41116aChet Haase 2155486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 21578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2158486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 2159f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2160f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 2161f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2162f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 21636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 2164486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2167a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2169486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 217022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 217122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 21725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 21735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 21745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 21755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 2176886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2177886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2178886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2179886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2180886b275e529e44a59c54b933453d9bc902973178Romain Guy } 21815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2182486590963e2207d68eebd6944fec70d50d41116aChet Haase 2183486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2184f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2185f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2186486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 2187e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2188e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2189e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2190e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 2191486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2192e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2193e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2194e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2195e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2196e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2197e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2198886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2199886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2200886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2201886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2202886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2203486590963e2207d68eebd6944fec70d50d41116aChet Haase 2204486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2205e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2206e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2207486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 22085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 22095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 2210486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 221339a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 221439a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 221539a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2216b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2217b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2218b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2219b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2220b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2221a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2222b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2223ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 2224ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 2225ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2226ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2227ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2228ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2229ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 2230ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 2231ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2232ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2233a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 22343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 22353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 22363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 22373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 22395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 22405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 22415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 22425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 22435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 22445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 22455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 22465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 22473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 22483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 22505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 22515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 22525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 22535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 22545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 22555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 22565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 22575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2258ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2259ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2260ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 22615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2262ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2263ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2264ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2265b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2266a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2267a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2268a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2269a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 22705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2273a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 2274ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2275a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2276a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2277a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2278ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 22793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 22803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 22813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 22823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 22833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2284ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2285a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2286a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2287a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2288a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2289a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2290a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2291a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2292a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2293a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2294ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2295ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2296a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 22973b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2298b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2299b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2300ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2301ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2302ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2303ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2304ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2305ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2306ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2307ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2308ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2309ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2310ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2311ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2312ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2313ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2314ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2315ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2316ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2317ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2318ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2319ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2320ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2321486590963e2207d68eebd6944fec70d50d41116aChet Haase 2322486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 23235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 23245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2325486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 23268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 23278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 23285c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 23296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2330486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2333a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2335486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 233622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 23378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 23398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2340c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 23413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 23423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 23433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 23443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 23453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 23463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2347c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 234803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 23498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 23508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 235103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 235203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 235303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 235403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2355d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2356d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2357886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2358886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 23596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2360886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2361886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2362886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2363886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2364c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2365886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2366b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 23673b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 23683b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 23693b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2370886b275e529e44a59c54b933453d9bc902973178Romain Guy 2371886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2372886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2373886b275e529e44a59c54b933453d9bc902973178Romain Guy 2374886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2375886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2376886b275e529e44a59c54b933453d9bc902973178Romain Guy 2377886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2378886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 23796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2380d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2381886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2382886b275e529e44a59c54b933453d9bc902973178Romain Guy 2383886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2384886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2385886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2386886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2387886b275e529e44a59c54b933453d9bc902973178Romain Guy 2388886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2389886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2390886b275e529e44a59c54b933453d9bc902973178Romain Guy 2391886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2392886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2393886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2394886b275e529e44a59c54b933453d9bc902973178Romain Guy 2395886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2396886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2397886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2398886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2399886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2400886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2401886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2402886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2403886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2404886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2405886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2406886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2407886b275e529e44a59c54b933453d9bc902973178Romain Guy 2408886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2409886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 24106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 24128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2413486590963e2207d68eebd6944fec70d50d41116aChet Haase 2414486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2415ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2416ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 24173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 24185c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 24194c2547fa9244e78115cde0a259291053108c3dc7Romain Guy if (quickReject(left, top, right, bottom)) { 24204c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 24214c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 24224c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 24234c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 24244c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 24254c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 24264c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 242703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2428be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2429be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 243003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 243103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy float left, float top, float right, float bottom, SkPaint* paint) { 24326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2433486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2436211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2437a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2438a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2439a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2440a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 24413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2442a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2443a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2444a4adcf0239039eb8f005be252409901c41b28839Romain Guy 244503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy int alpha; 244603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy SkXfermode::Mode mode; 244703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy getAlphaAndMode(paint, &alpha, &mode); 244803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 24493b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 24505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 24518168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 24523b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 24533b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 24545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 24555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 24568ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2457211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2458c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2459c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2460c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 24616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2462c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 24633b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 24646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2468211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24693b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 24703b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 24716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 24723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 24733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 24743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(x, y, right, bottom, texture->id, alpha / 255.0f, 24753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 24763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, true, 24773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 24786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 24793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 24803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 24813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, false, 24823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 24836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2484054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2485486590963e2207d68eebd6944fec70d50d41116aChet Haase 2486486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2487f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2488f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 248903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 249003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 249103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 249203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 249303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 249403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guystatus_t OpenGLRenderer::drawPatches(SkBitmap* bitmap, AssetAtlas::Entry* entry, 249503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy TextureVertex* vertices, uint32_t indexCount, SkPaint* paint) { 249603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 249703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 249803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 249903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 250003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 250103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 250203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 250303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 250403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy int alpha; 250503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy SkXfermode::Mode mode; 250603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy getAlphaAndMode(paint, &alpha, &mode); 250703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 250803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 250903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mode, texture->blend, &vertices[0].position[0], &vertices[0].texture[0], 251003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, indexCount, false, true, 0, true, false); 251103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 251203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 251303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 251403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 251565cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 251665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 25176d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2518bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 251965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2520bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2521bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 252265cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 252365cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 252465cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 252565cd612face362d054a85d0f7e5881c59cd523beChris Craik 2526710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2527710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2528710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2529710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2530710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2531710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2532710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2533710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 253465cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2535710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2536710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2537710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2538858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2539710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2540710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2541cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2542710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2543710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 25446ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2545710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2546710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2547710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2548710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 25496ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2550710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 25516ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 25526ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2553710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 25546ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 25556d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 25567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2557710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 25586ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 255904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 256065cd612face362d054a85d0f7e5881c59cd523beChris Craik 256165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2562858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2563858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2564858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 256565cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 256665cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 256765cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 256865cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 256965cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 257065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 257165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 257299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 257365cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 257465cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 257565cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 257665cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 25777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2578c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy if (hasLayer()) { 2579c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy SkRect bounds = path.getBounds(); 2580c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy PathTessellator::expandBoundsForStroke(bounds, paint, false); 2581c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2582c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy } 25837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 258465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 258565cd612face362d054a85d0f7e5881c59cd523beChris Craik} 25867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 258765cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 258865cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 258965cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 259065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 259165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 259265cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 259365cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 259465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 259565cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 259665cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 259765cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 259865cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 259965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 26007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 260165cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 26027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 260365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 260465cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 260565cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2606d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2607d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2608d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2609d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2610d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 26113b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2612486590963e2207d68eebd6944fec70d50d41116aChet Haase 261365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 261465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 26155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 26165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2617486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 26186d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (mSnapshot->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2619ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 26206d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 26217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 26226d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 26236d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik SkRect bounds; 26246d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik PathTessellator::tessellatePoints(points, count, paint, mSnapshot->transform, bounds, buffer); 26257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 26266d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 26276d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2628ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2629ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 26306d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2631486590963e2207d68eebd6944fec70d50d41116aChet Haase 26326d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 26336d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return drawVertexBuffer(buffer, paint, useOffset); 2634ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2635ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2636486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2637e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2638486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2639e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2640ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2641ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 264270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 26433d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2644486590963e2207d68eebd6944fec70d50d41116aChet Haase 2645486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2646c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2648486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2649486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2650486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 265101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 265201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 265301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 265401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 265501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 265601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2657486590963e2207d68eebd6944fec70d50d41116aChet Haase 2658486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 265901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 266001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2661486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2662710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2663257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2664257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2665710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2666710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 266701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2668cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2669710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2670c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2671710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2672710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2673710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2674710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2675710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2676710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2677cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2678cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2679cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2680cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2681cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2682cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2683710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 268465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2685c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 268601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2687710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2688cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2689257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2690257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2691710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2692710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2693cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2694710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2695c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2696710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2697710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2698710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2699710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2700cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2701cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2702cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2703cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2704cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 270565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2706c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 270701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2708486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2709710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2710257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2711257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2712710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2713710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 271401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2715cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2716710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2717c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2718710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2719710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2720710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2721710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2722710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2723cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2724cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2725cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2726710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 272765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2728c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2729c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2730486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2731780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2732257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2733257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2734780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2735780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 27368b2f5267f16c295f12faab810527cd6311997e34Romain Guy 27378b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2738780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 27398b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 27408b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2741780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 274265cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2743780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2744c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2745780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2746780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2747780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2748780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2749780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2750780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2751780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2752780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2753780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2754780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2755780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2756780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2757780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2758780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2759780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2760780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2761780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 276265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 27638b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 27648b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2765cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2766cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2767cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2768486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2769257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2770257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2771486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 27726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 27736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2774710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2775cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2776cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2777cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2778cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2779cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2780c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2781cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2782cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2783cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2784cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2785cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2786cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2787cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2788cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2789cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 279065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2791026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2792026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 27933b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2794710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2795710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 279665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2798710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 279965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2800858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2801c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 28029d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2803416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2804416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2805416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2806416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2807416a847633680d94efb926837efdc18726d54918Raph Levien 2808416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2809416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2810416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2811416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2812c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2813cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2814cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2815cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2816416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2817416a847633680d94efb926837efdc18726d54918Raph Levien 2818c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2819c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2820416a847633680d94efb926837efdc18726d54918Raph Levien 2821c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2822c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2823c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2824416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2825416a847633680d94efb926837efdc18726d54918Raph Levien } 2826416a847633680d94efb926837efdc18726d54918Raph Levien 2827416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2828416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2829416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2830416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2831416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2832416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2833416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2834416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2835416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2836416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2837416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2838416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2839416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2840416a847633680d94efb926837efdc18726d54918Raph Levien 2841416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2842416a847633680d94efb926837efdc18726d54918Raph Levien} 2843416a847633680d94efb926837efdc18726d54918Raph Levien 2844768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2845768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2846768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2847768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2848768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2849486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2850eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2851768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2852486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2853eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2854eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2855671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 28563b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2857486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2858671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2859671d6cf460531825a321edb200523d0faa7792c9Romain Guy 286039a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 286139a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2862671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2863671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 28643b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2865671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 28663b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 28673b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2868671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2869671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2870b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2871c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2872671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2873671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2874671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2875671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2876671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2877c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2878e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2879e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2880416a847633680d94efb926837efdc18726d54918Raph Levien } 2881416a847633680d94efb926837efdc18726d54918Raph Levien 2882671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 28833b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2884671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2885671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2886671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2887257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2888671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2889671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2890671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2891671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2892211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2893671d6cf460531825a321edb200523d0faa7792c9Romain Guy 28941e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2895671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2896257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2897671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2898671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 28993b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2900671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2901671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2902671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2903671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2904486590963e2207d68eebd6944fec70d50d41116aChet Haase 2905486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2906eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2907eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2908624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2909624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2910624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2911624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2912624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2913624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2914b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2915624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2916624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2917624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2918624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2919624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2920624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2921624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2922624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2923624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 292441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 292541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik const float* positions, SkPaint* paint, float totalAdvance, const Rect& bounds, 2926527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2927527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2928527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 292928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 293028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 293128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint) || 293228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik quickReject(bounds)) { 293328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 293428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2935cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2936cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 29373a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 29383a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2939624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2940624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2941624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2942c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2943211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2944624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2945624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 29466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 29476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 294886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 294986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 295086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29519d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2952c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2953c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2954c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2955c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2956c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2957c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 29581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 29591e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 296019d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 296119d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2962624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2963624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2964624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2965624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2966624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2967624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2968624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2969624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2970624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2971624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2972624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2973624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 29743b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2975c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 29766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2977a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2978257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 297906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2980624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2981624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 298241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 29835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2984996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 29851e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2986527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2987527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2988527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2989a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 29908b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 29918b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 29928b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 299341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2994996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 29958b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 299641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2997996e57c84368058be793897ebc355b917a59abc2Raph Levien } 29984ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2999527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 3000624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 300141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 3002a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 300341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 30045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 3005694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 300641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik drawTextDecorations(text, bytesCount, totalAdvance, oldX, oldY, paint); 3007486590963e2207d68eebd6944fec70d50d41116aChet Haase 3008486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 3009694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 3010694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 3011486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 3012325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 3013768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 3014486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 301503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 301603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 301739a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 301839a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 301939a908c1df89e1073627b0dcbce922d826b67055Chris Craik 3020b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 3021c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 3022257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 302303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 302403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 302503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 302603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 30271e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 30289777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 30299777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 30309777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 303103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 30329777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 30339777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 30349777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 30351e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 30369777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 30373b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 30389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 30399777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 30409777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 3041486590963e2207d68eebd6944fec70d50d41116aChet Haase 3042486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 3043325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 3044325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 3045486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 3046486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 3047dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 3048a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30497fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3050fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 3051486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 305222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 30537fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 30548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 30558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 30568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 305701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 3058486590963e2207d68eebd6944fec70d50d41116aChet Haase 3059486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30607fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 30617fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3062a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 306335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 3064486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 30656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 30666c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3067b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 3068b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 3069b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 3070b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 3071b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 30723b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 3073b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3074b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3075b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 307639a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 307735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 30785e49b307eb99269db2db257760508b8efd7bb97dChris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), false, &clipRequired); 30794ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 308035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 3081b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3082b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3083b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 308435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 308535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 308635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 30875bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 30882bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 308939a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 3090a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30916c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3092211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 3093c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 3094c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 3095e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 3096c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 309734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 309834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 3099c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 310016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 3101c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 3102c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 31038168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 3104c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 31059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 3106c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 3107c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 3108c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 31099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 31103b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 31113b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 31123b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 31139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3114d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 31154ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 31164ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 31179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3118d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 31199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 31209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 31219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3122c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3123448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3124448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3125448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3126448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3127448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3128448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3129448455fe783b0a711340322dca272b8cc0ebe473Romain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 3130448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3131448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3132448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3133448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3134448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3135448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3136448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3137448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3138c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 31393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 31403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 31413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3142c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 31434ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 3144c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 3145e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 31465bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 31475bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 31484ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 31494ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 31504ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 315234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3153486590963e2207d68eebd6944fec70d50d41116aChet Haase 3154b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3155b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3156b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3157b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3158486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 31596c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 31606c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 31616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 3162d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 3163d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3164d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3165d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 3166c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 316706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 316806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 316906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 3170c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 3171c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 31728aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mDrawModifiers.mShader->setCaches(mCaches); 317306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 31747fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 31757fac2e18339f765320d759e8d4c090f92431959eRomain Guy 3176d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3177db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 3178db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 3179db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3180db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 3181c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 3182db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3183db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3184db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 3185c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 3186db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3187db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3188db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 31891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 31901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 31911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31921e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 3193c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 31941e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 31951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31961e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 3197c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 3198c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 3199c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 3200c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 3201c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 32021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 32031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 32041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 32055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 32065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 32075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3209527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3210527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3211c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3212527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3213527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 32145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3217c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3218c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3219c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 32205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3222a08f95cfeca7217f9c533b03663bf0dceedd259aChris CraikSkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 3223758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3224758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3225758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 32265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 32285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3230c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3231c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 32325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 32345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 32376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 32386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 32396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 32403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain GuyTexture* OpenGLRenderer::getTexture(SkBitmap* bitmap) { 32413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 32423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 32433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 32443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 32453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 32463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 32473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 324801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 324901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 325001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 325101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 325201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 325301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 325401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 325501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 325601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 325701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 325801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 325901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 326001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 326101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 326201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 326301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 326401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 326501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 326601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 326701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 326801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 326901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 327001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 327101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 327201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 327301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 327401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3275f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 32760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 32770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 32780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 32790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 328041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float underlineWidth, 32810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 32820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 32830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 32840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3285726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 32860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3287211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3288726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3289f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 32900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32918b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 32920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3293e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3294f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3295f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3296f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3297f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3298f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3299e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3300e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 33010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 33020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 33030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3304e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3305e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3306e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3307e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 33080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 33100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 33110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3312e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3313e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3314e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3315e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 33160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3317e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3318726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3319e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3320726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 33210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 33240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3325672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3326672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3327672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3328672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3329672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3330735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3331735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3332c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3333735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3334735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3335735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3336735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3337735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3338735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3339735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3340735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 33413bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 33423b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 33433b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 33443b753829ae858d424fe109f714745379a6daf455Romain Guy } 3345735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3346672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3347672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3348672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3349672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3350672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3351448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3352672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3353672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33542af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3355672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3356672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3357672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3358672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3359672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33603b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 33613b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 33623b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 33633b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3364672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33653b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 33663b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 33673b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 33683b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3369672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3370672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33713b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3372a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3373a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3374672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3375672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3376672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3377672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3378672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3379672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3380672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3381672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3382672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3383735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3384672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3385672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3386672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3387672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 33893b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3390672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3391672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3392448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawIndexedQuads(&mesh[0], count / 4); 3393672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3394672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3395672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3396672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3397026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 33981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3399d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3400c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3401d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3402d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3403d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 340470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 340515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 34069c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 340770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 340870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 340970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 341070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 341170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 341270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 341370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 341470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 341570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3416c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3417c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3418c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3419c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 342082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 34218164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 342282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 342382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 342482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 342582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3426d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 34278164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 34283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 34293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 34303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy vertices = &mMeshVertices[0].position[0]; 34333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texCoords = &mMeshVertices[0].texture[0]; 34343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 34363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 34373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 34393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34413b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 34423b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 34433b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 34446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3445d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 34466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 34473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy alpha / 255.0f, mode, texture->blend, vertices, texCoords, 34483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 34496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3450d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 34516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 34523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 34533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 34576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 345885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 345985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3460bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3461a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3462a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 346303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3464f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3465f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3466f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3467a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34686820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34708694230ff25fa0a60e480d424843e56b718f0516Romain Guy 347170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 347270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 347370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 347470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 347570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 347670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3477886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 347970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 348003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 348170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3482db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3483886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 348486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 348570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 348670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3487db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 34886820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 348982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 349082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 34913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 34923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 34993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilter(); 35003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 35013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 35023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 35033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!ignoreScale) { 35043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 35053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 35063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 35073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 35083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 35093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 35103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilterUniforms(); 35113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 35123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 35133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 35143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 35153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3516886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3517886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3518886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3519527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool ignoreTransform, bool ignoreScale, bool dirty) { 3520886b275e529e44a59c54b933453d9bc902973178Romain Guy 3521886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3522886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3523886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3524886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3525886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3526886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3527886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3528886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3529886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3530886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3531527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!ignoreScale) { 3532527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelView(left, top, right, bottom, ignoreTransform); 3533527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 3534527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3535527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 3536886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3537886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3538886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3539886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3540886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3541886b275e529e44a59c54b933453d9bc902973178Romain Guy 3542886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3543886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3544886b275e529e44a59c54b933453d9bc902973178Romain Guy 3545a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3546f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 354778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 354878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 354978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 355078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 355178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 355278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 355378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 355478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 355578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 355678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 355778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 355878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 355978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 356082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3561c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 356282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 356382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 356482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 356582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 356682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 356782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 356833fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 35693bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3570a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3571f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3572a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 357382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 357482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 357582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 357682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 357782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 357882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 357982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 358082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3581a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 358282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 358382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 358482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 358582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 358682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 358782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 358882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 358982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 359082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 359182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 359282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 359382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 359482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 359582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3596fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 359782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 359882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3599fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3600bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3601bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3602889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3603d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3604fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3605d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3606fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 36076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3608260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 36096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3610260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3611260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3612026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3613ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 361482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 361582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 361682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 361782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 36188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 36198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 362016ecda5317c40fc3da284952d9b3add34d6763aeChris Craikvoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3621be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 362216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 362316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 362487b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 362516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3626db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3627026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3628026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 362916ecda5317c40fc3da284952d9b3add34d6763aeChris Craikfloat OpenGLRenderer::getLayerAlpha(Layer* layer) const { 363016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 363116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 363216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 363316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 363416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 363516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 363616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik return alpha * mSnapshot->alpha; 363716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 363816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 36399d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3640e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3641