OpenGLRenderer.cpp revision 1e546815bbb736c50679a8aefc25f48561026fc5
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 452daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 453932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 454c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 4558a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 456f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 457f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 458ecca6da4eab601f05a9d977c8d2651068b6e16b2Chris Craik setStencilFromClip(); 459f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 460d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 46180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 46280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 46380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 464d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 465d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 466d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 467d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 468d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 469d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 47008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 47108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 47208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 47308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 47408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 47508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4767b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4777b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 47808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 47980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 4804a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 481cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4828f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 48308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 484cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4858f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 48665924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 487ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4888f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 489cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 490cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 491daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4924a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik return result | DrawGlInfo::kStatusDrew; 493daf98e941e140e8739458126640183b9f296a2abChet Haase} 494daf98e941e140e8739458126640183b9f296a2abChet Haase 495f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 49687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 49787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 49887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 4990f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 5000f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 5010f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 5020f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 50387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 50487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 50587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 50687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 50787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 50887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 50987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 51087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 51187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 51287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 51387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 51487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 51587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 51687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 51787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 51887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 51987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 52087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 52187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 52287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 52387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 52487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 52587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 52687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 5275f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 52887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 52987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 5305f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mCaches.setScissor(clip->left, mFirstSnapshot->height - clip->bottom, 53187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 53287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 53387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 53487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 53587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 53687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 53787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 53887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 53987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 54087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 54187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 54287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 54387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 54487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 54578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 54678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t count = mWidth * mHeight; 54778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 54878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glReadPixels(0, 0, mWidth, mHeight, GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 54978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 55178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 55278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 55378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 55478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 55678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 55878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 55978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 56596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && 56696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->displayList && layer->displayList->isRenderable()) { 567405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 568405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 56911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5717c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5727c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5737c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5747c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 57511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 57702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 57896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 57996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 58096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 58111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 58211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 58311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 58411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 58511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 58611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5875bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 58834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 58911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 59111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 59511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 59796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 59896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 59996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 60011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 60111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 60296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 60396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 60496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 60596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 60696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 60711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 6081206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6091206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 61011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 61111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 61296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 61396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 61496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 61511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 61611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 61796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 61896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 61996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 62096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 62296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 62496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 62596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 62696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 62796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 62896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 62996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 63096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 6311206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6321206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 63396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 63402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 63502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 636405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 63702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 63802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 639405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 640405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 64102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 64202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 64396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 64496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 64596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 64696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 64711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 64896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 64911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 65011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 65111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 65211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 65311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 65411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 65502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 65602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 65702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 65802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 65902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 66002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 66102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 66202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 66302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 66411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 66511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 66611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 66711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 66811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 669e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 670e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 671e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 672e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 673e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 674e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 675e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 676e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 677e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 678e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 679e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 680e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 68111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 68211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 68311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 68411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 68511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 68611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 68711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 68811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 68911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 69011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 69111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 69211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 693405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 694405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 695405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 696405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 697405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 698405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 699405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 700405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 70111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 702f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 703f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 704f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 705bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 7067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 707bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 708bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 709bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 7108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 711bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 712bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 713bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 7142542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 7152542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 7167ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 717bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 718bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 719bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 7208fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 721bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 7228fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 7232542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 7247ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 725bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 726bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 7278aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 7288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 7298fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 730bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 731bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 732bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 7337ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 734bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 735eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 736bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 737bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 7387ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 739bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 740eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 741eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 742eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 743eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 744eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 745eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7468b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 7478b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 7488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 7492542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 750746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 7518fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 7522542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 7535ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 7547273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 7557273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 7565ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 7577273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 7585ec9924d24495822b589f1a17996655d66273b30Romain Guy } 7595ec9924d24495822b589f1a17996655d66273b30Romain Guy 7602542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 761d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 7625cbbce535744b89df5ecea95de21ee3733298260Romain Guy 763f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 764bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 765bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 766bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 767bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 768ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 769eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 770eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 771d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 772af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 773d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 774dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 775d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 776d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 777bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 778bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 779d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 780d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 781d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 782d90144db52c7297879b950cbbc85137ed123ab5bChris Craik currentTransform().mapRect(bounds); 783d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 784d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 785d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (bounds.intersect(*mSnapshot->clipRect)) { 786d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 787d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 788d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 789d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 790d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 791d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 792d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!bounds.intersect(mSnapshot->previous->viewport)) { 793d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 794d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 795d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 796d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 797d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.loadInverse(currentTransform()); 798d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 799d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 800d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 801d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 802d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 803d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 804d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 805d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 806d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 807d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 808d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 809d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 810d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 811d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 812408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 813408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 814408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 815408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 816408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 817408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 818408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 819408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 820408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 821408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 822408eb12631376cbdc96803e918decf6ea804d346Chris Craik 823d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 824d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 825d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const GLuint previousFbo = mSnapshot->fbo; 826d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 827d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 828d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!mSnapshot->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 829d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 830d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 831d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 832d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 833d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 834d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 835d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 836408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, true, alpha); 837d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 838408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (!mSnapshot->isIgnored()) { 839d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 840d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 8410e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 842d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 843d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 844d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 845d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 846d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 847d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 848d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 8491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 8511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 8521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 8531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 8541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 8551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 8561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 8581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 8591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 8601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 8611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 8621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 8631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 8641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 8666b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 8676b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 8686b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 8696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 8701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 8721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 8731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 87487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 8751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 8761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 8771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 8791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 8801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 8811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 8821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 8831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 8851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 8861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 8871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 8881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 8891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 8901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 8921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 8931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 89487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 89587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 89687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 89787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 89887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 8991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 900d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 901d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 902eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 903fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 904dda570201ac851dd85af3861f7e575721d3345daRomain Guy 905eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 906eb99356a0548684a501766e6a524529ab93304c8Romain Guy 907f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 908d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 9098aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 910d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 911408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, alpha); 912dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 913dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 914408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (mSnapshot->isIgnored()) { 915b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 916b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 917dda570201ac851dd85af3861f7e575721d3345daRomain Guy 918a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9198550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 920f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 921f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 922bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 923bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 9249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 9258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 9269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 9279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 928c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 929a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 9307c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 931dda570201ac851dd85af3861f7e575721d3345daRomain Guy 9328fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 933d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 934d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 9351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 9367273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 937eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 938d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 939eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 940eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 942514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 9439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 944b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 945b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 946b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 947b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 948b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 949b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 9509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 951514fb18827186591d66973c2362c859b64b63556Romain Guy } 9527b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 953b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 954b254c242d98f4a9d98055726446351e52bece2c6Romain Guy mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 955b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 95654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 95754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 958ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 959eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 960f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 961d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 962bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 963bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 964d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 965c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 9669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 968d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 969c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 970c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 971d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 972d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 973d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 974d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 975d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 976d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 9775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9782b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9797c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 9805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 9819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 9829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 9859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 9860908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 9879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 9885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 9919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 993f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 9945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 996586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 9978f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 9985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 10025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 10045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 10055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 10085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 10111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 10121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 10131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 10141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 10153762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 10161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 10171d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10181d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 10198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 10208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 10215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 1022eb99356a0548684a501766e6a524529ab93304c8Romain Guy 102339a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 102439a908c1df89e1073627b0dcbce922d826b67055Chris Craik quickRejectNoScissor(rect, &clipRequired); // safely ignore return, should never be rejected 102539a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 102639a908c1df89e1073627b0dcbce922d826b67055Chris Craik 1027eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10282b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 10292b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1030e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 1031e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 10328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 10348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1035eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 1036eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 10377c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 10382b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 10392b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 1040eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 1041eb99356a0548684a501766e6a524529ab93304c8Romain Guy 10429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 1043f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 10449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 10469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 1047f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 1048f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 104903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 1051a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 10545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 1055eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 10579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 10589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 1059171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 10619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 1062171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 1063171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 10659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 10669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 1067eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 10681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1069746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 1070746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1071eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 10728550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 10731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 1074603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 10751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 10771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1078aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 10792458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 1080aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1081aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 10829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10838f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 10848f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10858f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 10868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10878f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 1088aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1089aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 10909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 1091aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 1092aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 1093aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 10949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10968f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 10988f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10993b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 1100ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1101ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 11023b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11033b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1105d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 11069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1108d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 11099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 11109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 1112aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 1113aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1114aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1115aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1116aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 1117aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1118aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 11195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 11209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 1121aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1122aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1123aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 11245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 11269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 11273b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 1128ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1129b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1130b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1131b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 11329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 11339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 11343b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11353b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1138d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 11399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1140d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 11419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 114316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha = getLayerAlpha(layer); 1144e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik bool blend = layer->isBlend() || alpha < 1.0f; 11459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 1146e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik layer->getTexture(), alpha, layer->getMode(), blend, 11479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 11495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1150aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1151aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1152aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1153aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1154aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1155aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 11565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 115834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 115934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 116034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 116134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 116234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 116334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 116434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 116534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 116634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 116734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 116834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 116934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 117034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 117134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 117234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 117334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 117434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 11755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11779fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11789fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 117934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11809fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1185211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 11865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 11876c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 11886c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 11896c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11906c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 11916c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 11926c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11936c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 11946c5b9be7450903762f676522c32d65f7545730dfChris Craik } 11955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 119616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float alpha = getLayerAlpha(layer); 11979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 11989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1199f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 12005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 12028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 12048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 12058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 12065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 120703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy uint32_t numQuads = 0; 12085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 12107230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1211ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 12129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 12137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 12147230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 12157230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1216ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 12179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 12183b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 12193b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 12203b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 12219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1222d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 12239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 12249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1225d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 12269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 12279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 122815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 12295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 12315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 12325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1234f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 12355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1236f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 12375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 12395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 12405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 12415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 12425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 12455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 124631e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy if (numQuads >= gMaxNumberOfQuads) { 124734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 124834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 12505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 12515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 125534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 125634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12597230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 12605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 12635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 12665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 12703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 12893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 12903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 12913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 12933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 12943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 12968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 12978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 13008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 13018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 13028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 13038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 13048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 13058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 13068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 13078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1309448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawColorRects(rects.array(), rects.size(), color, mode, true, dirty, false); 13108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1314f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 13165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1317f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1323f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1325f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13261bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 13271bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 13281bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 13291bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 13301bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 13311bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 13321bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 13331bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 13341bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 13355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1339448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::drawIndexedQuads(Vertex* mesh, GLsizei quadsCount) { 1340448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1341448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1342448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1343448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1344448455fe783b0a711340322dca272b8cc0ebe473Romain Guy setupDrawIndexedVertices(&mesh[0].position[0]); 1345448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1346448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1347448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1348448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1349448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1350448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1351448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1352448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1353448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 135454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 135554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 135654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 135754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 136154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 136254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 136354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 136454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 136554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13668a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 136754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1368448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 136954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 137054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 137254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 137354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 137554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 137654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 137754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 137854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 138054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1381e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1382e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1383e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1384e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 138554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 138654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 138754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 138854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 138954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 139054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 139154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 139254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1393448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawIndexedQuads(&mesh[0], count); 13948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13958a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 139654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 139754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 139854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 139954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1400e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 140154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 140254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 140354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1404bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1405c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1406c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1407c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1408ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1409c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1410c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1411c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1412ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1413ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1414ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1415ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik currentMatrix.mapRect(state.mBounds); 141628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 141728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if(!clippedBounds.intersect(currentClip)) { 1418ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1419ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1420ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 142128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1422a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 142328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (!currentClip.contains(state.mBounds)) { 142428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 142528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 142628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.left > state.mBounds.left) flags |= kClipSide_Left; 142728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.top > state.mBounds.top) flags |= kClipSide_Top; 142828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.right < state.mBounds.right) flags |= kClipSide_Right; 142928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 143028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 143128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1432ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1433d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1434d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1435d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1436ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mBounds.set(currentClip); 1437c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1438ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1439ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1440527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1441527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1442ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.set(currentClip); 1443c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1444c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14457273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14467273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1447c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 14487273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 14497273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mAlpha = mSnapshot->alpha; 1450c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1451c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1452c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1453527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 14543b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 14557273daace9303f4662444111c40bb83d3ead4a92Chris Craik mDrawModifiers = state.mDrawModifiers; 14567273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 1457ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1458527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 145928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 146028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1461ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1462ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1463c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1464c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 146528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 146628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 146728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 146828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 146928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 147028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 147128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 147228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 147328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 147428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 147528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 147628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(0, 0, mWidth, mHeight); 147728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1478527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 147928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1480527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1481527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1482c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1483f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1484f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1485f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1486f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 14874c2547fa9244e78115cde0a259291053108c3dc7Romain Guy currentTransform().translate(dx, dy); 1488f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1489f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1490f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 14913b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1492f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1493f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1494f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 14953b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1496f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1497f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1498807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 14993b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1500807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1501807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1502f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1503e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 15043b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1505e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 15063b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1507e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1508f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1509f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1510b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 15113b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1512b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1513b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1514f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 15153b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1516f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1517f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1518f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1519e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 15203b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1521e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 15223b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1523f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1524f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1525f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1526f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1527f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1528f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1529bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1530e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1531e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 15328f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 15338a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 15348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 15358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 15368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 15379d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 15389d5316e3f56d138504565ff311145ac01621dff4Romain Guy 15398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 15408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 15418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 15428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 15438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 15448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 15458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 15498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 15508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1551c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1552c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1553c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1554c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1555c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 15568d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 15573bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 15588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1559c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1560f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 15618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 15658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 15668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 15678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 15688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 15698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 15708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 15748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 15768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 15838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 15848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 15918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 15928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15943ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15953ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15963ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15973ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 15983ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 15993ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 16008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 16018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 16028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 16058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16069d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1607079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1608bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1609bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 161039a908c1df89e1073627b0dcbce922d826b67055Chris Craikbool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 161139a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool* clipRequired) { 161239a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 16138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 16148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 16158a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 16168a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 16173b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 16188a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 16198a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 16208a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 16218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 16228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 162339a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (!clipRect.intersects(r)) return true; 162435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 162539a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (clipRequired) *clipRequired = !clipRect.contains(r); 162639a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 162735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 162835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1629672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1630672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1631cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1632cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1633cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1634cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1635cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1636cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1637cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1638cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1639c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 164039a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 164139a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (quickRejectNoScissor(left, top, right, bottom, &clipRequired)) { 1642dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1643dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1644dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 164539a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (!isDeferred()) { 164639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1647586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 164839a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1649c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1650c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 16518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1652735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 16538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 16548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 16558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 16578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1658735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 16598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 16603b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 16618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 16628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1664735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 16658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 16667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 16678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 16698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 16708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1672e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1673e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1674735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 16758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 16763b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 16778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 16798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 16808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 16828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 16838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 16848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 16858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 16868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 16878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 16908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 16918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 16938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 16958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1697735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1698735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1699735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 17008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 17018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 17028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 17038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1705735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1706735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1707a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1708a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1709a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1710a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1711f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 171270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 171370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 171470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 171554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 17168a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 17178a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 171854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 17198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 17208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1721b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1722b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1723b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1724b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 17258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 172670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17273ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 17293ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 173070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 173170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 173270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 173370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 173470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 17353ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 17363ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 17373ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 17383ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 17393ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 17403ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 174178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 174278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 174370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 174670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 174770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 174870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1750ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1751ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1752ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1753ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1754ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1755ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1757aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1758aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1759aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 176015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1761ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 176215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 176315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1764710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 176599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 17665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 17698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1770886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1771886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1772886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 177370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 177470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 177570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 177786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 177886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1779886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1780886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1781886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 178286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 178386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 178486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 178586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 17864121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 17874121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 17884121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 17894121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 179070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 179170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 179270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 179370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 179470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 179570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 179670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 179770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 179970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1800c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1801c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 180270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 180370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1806c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1807c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 180870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 180970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 181070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1811f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1812f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1813f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1814f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 181554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1816f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1817f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1818f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 181970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1820f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1821f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1822f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1823c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1824c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1825c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 182670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1829f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1830f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1831f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1832c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1833c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1834c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1835c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 183670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 183870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 183970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 184070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 184270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 184370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 184470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 184670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 184770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 184870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 184970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 18503b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 18513b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 185270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1853c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 185470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 185570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 185670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 18593b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 18608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 18618d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 186270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 186370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 186570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 186670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 186770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 186870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 186970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 187086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 187186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 18723b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 187386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 18743b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 187586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 187686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1877c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 187886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 187986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 188070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 188170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 188270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1883c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 188470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 188570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 188670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 188770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 188886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 18895536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 189086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 18915536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 18925536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 18935536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 189470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1895c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 189670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 18973b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 189870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1899c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1900c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 190170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 190270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 190370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1905c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1906c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1907c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 19088d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 19098d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 19108d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 191170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1912c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1913c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 191470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 191570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 191670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19174121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 19184121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 19194121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 19204121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 192170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1922f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1923cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 192415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 192570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 192670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 192770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1928257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 19292d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 193015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 193170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 193270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1933aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1934aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 19352d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 193615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1938aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 19398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 19408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 19418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 19428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 19438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1944aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1945aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1946aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1947aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 194870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1949f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 19503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1951f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 195270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1953f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 195470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1955d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1956cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 195715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1958cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 195915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 196015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 196115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 196215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 196315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1964ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1965ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1966ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1967ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1968ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1969ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1970ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1971ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1972ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1973ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1974ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1975ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1976ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1977ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1978ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1979ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1980ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 19813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 19823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 19913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.bindIndicesBuffer(); 19923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1993cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 199415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1995cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 199770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 199870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1999448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 2000f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 2001448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mCaches.bindIndicesBuffer(); 2002cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 20035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 200570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 200670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 200770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 200870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 2009f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 2010f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 2011f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2012ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 2013ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 201458d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 20150fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 20160fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 201704c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 2018d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 201958d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 2020ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 2021ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 202258d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 2023c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 2024c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 202528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 202628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik DeferredDisplayList deferredList(*(mSnapshot->clipRect), avoidOverdraw); 2027ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 2028ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 202996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 203096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 203158d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 203296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 203358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | deferredList.flush(*this, dirty); 20340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 20357b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 20366554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 20370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 20380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 2039c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 2040ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 20417031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 2042ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 2043ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 2044ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 2045a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 2046a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 2047a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 2048a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 2049a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2050886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 2051886b275e529e44a59c54b933453d9bc902973178Romain Guy 2052a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 2053a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 2054a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2055886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2056886b275e529e44a59c54b933453d9bc902973178Romain Guy 2057a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 20583b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 20593b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 20603b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 2061a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 2062a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2063886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 2064886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2065886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 20665b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 2067e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 20683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 20693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 2070886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 20713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2073a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2074a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 207503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 207603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 207703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 207803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 207903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 208055b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guystatus_t OpenGLRenderer::drawBitmaps(SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 208155b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy TextureVertex* vertices, bool transformed, const Rect& bounds, SkPaint* paint) { 2082527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 208355b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2084527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2086527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2087527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2088527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int alpha; 2089527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik SkXfermode::Mode mode; 2090527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik getAlphaAndMode(paint, &alpha, &mode); 2091527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2092527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 20932db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy texture->setFilter(transformed ? FILTER(paint) : GL_NEAREST, true); 2094527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2095527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2096527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 2097527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2098527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int color = paint != NULL ? paint->getColor() : 0; 2099527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2100527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, paint != NULL, color, alpha, mode, 2101527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 210203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, bitmapCount * 6, true, true, false); 2103527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2104527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2105527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, alpha / 255.0f, mode, texture->blend, 2106527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 210703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, bitmapCount * 6, false, true, 0, true, false); 2108527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2109527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2110527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2111527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2112527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2113486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 21146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 21156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 21166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 21176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2118486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2121a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2123486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 212422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 212522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 2126211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2127a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2128a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2129a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2130a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2131486590963e2207d68eebd6944fec70d50d41116aChet Haase 2132486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 21348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2135486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 2136f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2137f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 2138f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2139f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 21406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.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 21495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 21505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 21515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 21525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 2153886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2154886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2155886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2156886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2157886b275e529e44a59c54b933453d9bc902973178Romain Guy } 21585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2159486590963e2207d68eebd6944fec70d50d41116aChet Haase 2160486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2161f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2162f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2163486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 2164e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2165e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2166e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2167e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 2168486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2169e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2170e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2171e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2172e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2173e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2174e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2175886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2176886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2177886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2178886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2179886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2180486590963e2207d68eebd6944fec70d50d41116aChet Haase 2181486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2182e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2183e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2184486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 21855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 21865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 2187486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 219039a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 219139a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 219239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2193b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2194b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2195b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2196b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2197b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2198a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2199b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2200ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 2201ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 2202ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2203ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2204ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2205ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2206ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 2207ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 2208ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2209ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2210a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 22113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 22123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 22133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 22143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 22165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 22175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 22185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 22195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 22205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 22215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 22225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 22235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 22243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 22253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 22275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 22285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 22295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 22305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 22315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 22325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 22335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 22345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2235ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2236ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2237ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 22385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2239ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2240ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2241ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2242b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2243a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2244a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2245a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2246a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 22475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2250a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 2251ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2252a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2253a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2254a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2255ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 22563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 22573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 22583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 22593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 22603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2261ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2262a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2263a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2264a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2265a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2266a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2267a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2268a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2269a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2270a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2271ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2272ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2273a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 22743b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2275b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2276b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2277ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2278ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2279ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2280ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2281ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2282ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2283ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2284ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2285ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2286ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2287ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2288ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2289ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2290ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2291ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2292ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy finishDrawTexture(); 2293ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2294ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2295ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2296ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2297ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2298ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2299ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2300486590963e2207d68eebd6944fec70d50d41116aChet Haase 2301486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 23025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 23035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2304486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 23058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 23068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 23075c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 23086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2309486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2312a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2314486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 231522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 23168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 23188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2319c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 23203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 23213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 23223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 23233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 23243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 23253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2326c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 232703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 23288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 23298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 233003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 233103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 233203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 233303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2334d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2335d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2336886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2337886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 23386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2339886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2340886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2341886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2342886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2343c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2344886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2345b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 23463b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 23473b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 23483b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2349886b275e529e44a59c54b933453d9bc902973178Romain Guy 2350886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2351886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2352886b275e529e44a59c54b933453d9bc902973178Romain Guy 2353886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2354886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2355886b275e529e44a59c54b933453d9bc902973178Romain Guy 2356886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2357886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 23586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2359d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2360886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2361886b275e529e44a59c54b933453d9bc902973178Romain Guy 2362886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2363886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2364886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2365886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2366886b275e529e44a59c54b933453d9bc902973178Romain Guy 2367886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2368886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2369886b275e529e44a59c54b933453d9bc902973178Romain Guy 2370886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2371886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2372886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2373886b275e529e44a59c54b933453d9bc902973178Romain Guy 2374886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2375886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2376886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2377886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2378886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2379886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2380886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2381886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2382886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2383886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2384886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2385886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2386886b275e529e44a59c54b933453d9bc902973178Romain Guy 2387886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2388886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 23896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2392486590963e2207d68eebd6944fec70d50d41116aChet Haase 2393486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2394ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2395ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 23963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 23975c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 23984c2547fa9244e78115cde0a259291053108c3dc7Romain Guy if (quickReject(left, top, right, bottom)) { 23994c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 24004c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 24014c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 24024c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 24034c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 24044c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 24054c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 240603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2407be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2408be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 240903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 241003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy float left, float top, float right, float bottom, SkPaint* paint) { 24116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2412486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2415211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2416a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2417a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2418a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2419a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 24203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2421a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2422a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2423a4adcf0239039eb8f005be252409901c41b28839Romain Guy 242403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy int alpha; 242503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy SkXfermode::Mode mode; 242603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy getAlphaAndMode(paint, &alpha, &mode); 242703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 24283b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 24295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 24308168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 24313b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 24323b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 24335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 24345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 24358ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2436211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2437c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2438c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2439c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 24406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2441c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 24423b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 24436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2447211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24483b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 24493b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 24506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 24513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 24523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 24533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(x, y, right, bottom, texture->id, alpha / 255.0f, 24543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 24553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, true, 24563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 24576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 24583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 24593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 24603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, false, 24613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 24626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2463054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2464486590963e2207d68eebd6944fec70d50d41116aChet Haase 2465486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2466f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2467f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 246803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 246903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 247003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 247103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 247203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 247303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guystatus_t OpenGLRenderer::drawPatches(SkBitmap* bitmap, AssetAtlas::Entry* entry, 247403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy TextureVertex* vertices, uint32_t indexCount, SkPaint* paint) { 247503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 247603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 247703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 247803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 247903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 248003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 248103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 248203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 248303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy int alpha; 248403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy SkXfermode::Mode mode; 248503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy getAlphaAndMode(paint, &alpha, &mode); 248603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 248703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 248803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mode, texture->blend, &vertices[0].position[0], &vertices[0].texture[0], 248903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, indexCount, false, true, 0, true, false); 249003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 249103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 249203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 249303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 249465cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 249565cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 24966d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2497bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 249865cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2499bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2500bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 250165cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 250265cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 250365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 250465cd612face362d054a85d0f7e5881c59cd523beChris Craik 2505710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2506710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2507710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2508710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2509710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2510710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2511710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2512710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 251365cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2514710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2515710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2516710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2517858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2518710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2519710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2520cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2521710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2522710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 25236ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2524710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2525710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2526710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2527710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 25286ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2529710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 25306ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 25316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2532710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 25336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 25346d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 25357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2536710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 25376ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 253804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 253965cd612face362d054a85d0f7e5881c59cd523beChris Craik 254065cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2541858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2542858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2543858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 254465cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 254565cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 254665cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 254765cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 254865cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 254965cd612face362d054a85d0f7e5881c59cd523beChris Craik * 255065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 255199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 255265cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 255365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 255465cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 255565cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 25567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2557c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy if (hasLayer()) { 2558c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy SkRect bounds = path.getBounds(); 2559c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy PathTessellator::expandBoundsForStroke(bounds, paint, false); 2560c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2561c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy } 25627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 256365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 256465cd612face362d054a85d0f7e5881c59cd523beChris Craik} 25657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 256665cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 256765cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 256865cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 256965cd612face362d054a85d0f7e5881c59cd523beChris Craik * 257065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 257165cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 257265cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 257365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 257465cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 257565cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 257665cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 257765cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 257865cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 25797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 258065cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 25817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 258265cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 258365cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 258465cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2585d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2586d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2587d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2588d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2589d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 25903b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2591486590963e2207d68eebd6944fec70d50d41116aChet Haase 259265cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 259365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 25945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 25955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2596486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 25976d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (mSnapshot->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2598ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25996d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 26007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 26016d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 26026d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik SkRect bounds; 26036d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik PathTessellator::tessellatePoints(points, count, paint, mSnapshot->transform, bounds, buffer); 26047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 26056d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 26066d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2607ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2608ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 26096d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2610486590963e2207d68eebd6944fec70d50d41116aChet Haase 26116d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 26126d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return drawVertexBuffer(buffer, paint, useOffset); 2613ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2614ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2615486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2616e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2617486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2618e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2619ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2620ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 262170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 26223d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2623486590963e2207d68eebd6944fec70d50d41116aChet Haase 2624486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2625c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26269d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2627486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2628486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2629486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 263001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 263101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 263201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 263301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 263401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 263501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2636486590963e2207d68eebd6944fec70d50d41116aChet Haase 2637486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 263801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 263901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2640486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2641710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2642257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2643257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2644710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2645710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 264601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2647cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2648710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2649c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2650710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2651710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2652710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2653710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2654710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2655710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2656cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2657cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2658cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2659cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2660cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2661cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2662710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 266365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2664c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 266501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2666710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2667cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2668257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2669257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2670710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2671710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2672cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2673710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2674c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2675710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2676710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2677710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2678710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2679cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2680cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2681cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2682cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2683cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 268465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2685c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 268601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2687486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2688710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2689257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2690257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2691710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2692710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 269301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2694cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2695710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2696c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2697710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2698710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2699710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2700710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2701710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2702cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2703cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2704cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2705710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 270665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2707c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2708c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2709486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2710780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2711257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2712257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2713780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2714780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 27158b2f5267f16c295f12faab810527cd6311997e34Romain Guy 27168b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2717780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 27188b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 27198b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2720780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 272165cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2722780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2723c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2724780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2725780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2726780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2727780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2728780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2729780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2730780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2731780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2732780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2733780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2734780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2735780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2736780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2737780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2738780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2739780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2740780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 274165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 27428b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 27438b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2744cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2745cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2746cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2747486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2748257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2749257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2750486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 27516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 27526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2753710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2754cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2755cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2756cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2757cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2758cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2759c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2760cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2761cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2762cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2763cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2764cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2765cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2766cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2767cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2768cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 276965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2770026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2771026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 27723b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2773710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2774710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 277565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2776858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2777710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 277865cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2780c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 27819d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2782416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2783416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2784416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2785416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2786416a847633680d94efb926837efdc18726d54918Raph Levien 2787416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2788416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2789416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2790416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2791c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2792cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2793cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2794cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2795416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2796416a847633680d94efb926837efdc18726d54918Raph Levien 2797c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2798c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2799416a847633680d94efb926837efdc18726d54918Raph Levien 2800c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2801c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2802c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2803416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2804416a847633680d94efb926837efdc18726d54918Raph Levien } 2805416a847633680d94efb926837efdc18726d54918Raph Levien 2806416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2807416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2808416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2809416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2810416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2811416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2812416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2813416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2814416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2815416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2816416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2817416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2818416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2819416a847633680d94efb926837efdc18726d54918Raph Levien 2820416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2821416a847633680d94efb926837efdc18726d54918Raph Levien} 2822416a847633680d94efb926837efdc18726d54918Raph Levien 2823768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2824768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2825768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2826768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2827768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2828486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2829eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2830768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2831486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2832eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2833eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2834671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 28353b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2836486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2837671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2838671d6cf460531825a321edb200523d0faa7792c9Romain Guy 283939a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 284039a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2841671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2842671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 28433b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2844671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 28453b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 28463b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2847671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2848671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2849b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2850c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2851671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2852671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2853671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2854671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2855671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2856c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2857e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2858e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2859416a847633680d94efb926837efdc18726d54918Raph Levien } 2860416a847633680d94efb926837efdc18726d54918Raph Levien 2861671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 28623b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2863671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2864671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2865671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2866257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2867671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2868671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2869671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2870671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2871211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2872671d6cf460531825a321edb200523d0faa7792c9Romain Guy 28731e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2874671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2875257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2876671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2877671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 28783b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2879671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2880671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2881671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2882671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2883486590963e2207d68eebd6944fec70d50d41116aChet Haase 2884486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2885eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2886eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2887624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2888624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2889624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2890624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2891624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2892624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2893b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2894624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2895624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2896624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2897624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2898624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2899624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2900624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2901624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2902624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 290341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 290441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik const float* positions, SkPaint* paint, float totalAdvance, const Rect& bounds, 2905527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2906527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2907527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 290828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 290928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 291028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint) || 291128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik quickReject(bounds)) { 291228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 291328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2914cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2915cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 29163a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 29173a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2918624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2919624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2920624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2921c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2922211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2923624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2924624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 29256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 29266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 292786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 292886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 292986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29309d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2931c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2932c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2933c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2934c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2935c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2936c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 29371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 29381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 293919d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 294019d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2941624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2942624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2943624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2944624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2945624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2946624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2947624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2948624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2949624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2950624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2951624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2952624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 29533b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2954c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 29556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2956a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2957257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 295806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2959624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2960624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 296141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 29625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2963996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 29641e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2965527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2966527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2967527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2968a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 29698b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 29708b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 29718b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 297241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2973996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 29748b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 297541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2976996e57c84368058be793897ebc355b917a59abc2Raph Levien } 29774ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2978527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2979624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 298041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2981a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 298241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 29835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2984694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 298541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik drawTextDecorations(text, bytesCount, totalAdvance, oldX, oldY, paint); 2986486590963e2207d68eebd6944fec70d50d41116aChet Haase 2987486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2988694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2989694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2990486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2991325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 2992768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2993486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 299403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 299503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 299639a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 299739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 299839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2999b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 3000c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 3001257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 300203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 300303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 300403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 300503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 30061e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 30079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 30089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 30099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 301003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 30119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 30129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 30139777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 30141e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 30159777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 30163b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 30179777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 30189777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 30199777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 3020486590963e2207d68eebd6944fec70d50d41116aChet Haase 3021486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 3022325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 3023325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 3024486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 3025486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 3026dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 3027a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30287fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3029fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 3030486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 303122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 30327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 30338b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 30348b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 30358b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 303601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 3037486590963e2207d68eebd6944fec70d50d41116aChet Haase 3038486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30397fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 30407fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3041a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 304235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 3043486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 30446c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 30456c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3046b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 3047b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 3048b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 3049b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 3050b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 30513b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 3052b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3053b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3054b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 305539a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 305635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 305739a908c1df89e1073627b0dcbce922d826b67055Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired); 30584ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 305935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 3060b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3061b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3062b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 306335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 306435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 306535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 30665bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 30672bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 306839a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 3069a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3071211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 3072c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 3073c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 3074e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 3075c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 307634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 307734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 3078c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 307916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 3080c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 3081c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 30828168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 3083c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 30849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 3085c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 3086c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 3087c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 30889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 30893b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 30903b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 30913b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 30929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3093d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 30944ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 30954ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 30969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3097d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 30989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 30999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 31009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3101c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3102448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3103448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3104448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3105448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3106448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3107448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3108448455fe783b0a711340322dca272b8cc0ebe473Romain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 3109448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3110448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3111448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3112448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3113448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3114448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3115448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3116448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3117c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3118c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 31193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 31203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 31213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 31223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3123c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 31244ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 3125c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 3126e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 31275bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 31285bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 31294ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 31304ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 31314ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 313334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3134486590963e2207d68eebd6944fec70d50d41116aChet Haase 3135b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3136b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3137b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3138b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3139486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 31406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 31416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 31426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 3143d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 3144d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3145d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3146d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 3147c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 314806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 314906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 315006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 3151c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 3152c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 31538aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mDrawModifiers.mShader->setCaches(mCaches); 315406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 31557fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 31567fac2e18339f765320d759e8d4c090f92431959eRomain Guy 3157d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3158db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 3159db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 3160db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3161db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 3162c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 3163db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3164db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3165db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 3166c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 3167db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3168db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3169db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 31701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 31711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 31721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 3174c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 31751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 31761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 3178c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 3179c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 3180c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 3181c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 3182c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 31831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 31841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 31865ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 31875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 31885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3190527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3191527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3192c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3193527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3194527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 31955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3198c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3199c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3200c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 32015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3203a08f95cfeca7217f9c533b03663bf0dceedd259aChris CraikSkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 3204758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3205758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3206758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 32075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 32095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3211c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3212c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 32135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 32155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 32186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 32196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 32206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 32213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain GuyTexture* OpenGLRenderer::getTexture(SkBitmap* bitmap) { 32223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 32233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 32243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 32253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 32263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 32273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 32283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 322901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 323001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 323101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 323201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 323301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 323401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 323501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 323601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 323701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 323801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 323901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 324001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 324101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 324201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 324301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 324401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 324501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 324601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 324701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 324801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 324901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 325001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 325101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 325201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 325301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 325401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 325501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 325601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 325701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3258f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 32590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 32600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 32610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 32620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 326341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float underlineWidth, 32640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 32650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 32660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 32670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3268726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 32690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3270211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3271726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3272f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 32730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32748b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 32750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3276e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3277f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3278f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3279f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3280f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3281f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3282e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3283e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 32840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 32860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3287e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3288e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3289e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3290e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 32910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 32920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 32940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3295e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3296e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3297e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3298e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 32990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3300e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3301726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3302e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3303726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 33040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 33070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3308672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3309672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3310672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3311672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3312672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3313735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3314735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3315c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3316735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3317735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3318735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3319735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3320735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3321735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3322735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3323735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 33243bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 33253b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 33263b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 33273b753829ae858d424fe109f714745379a6daf455Romain Guy } 3328735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3329672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3330672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3331672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3332672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3333672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3334448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3335672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3336672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33372af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3338672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3339672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3340672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3341672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3342672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33433b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 33443b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 33453b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 33463b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3347672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33483b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 33493b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 33503b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 33513b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3352672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3353672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33543b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3355a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3356a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3357672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3358672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3359672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3360672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3361672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3362672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3363672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3364672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3365672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3366735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3367672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3368672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3369672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3370672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 33723b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3373672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3374672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3375448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawIndexedQuads(&mesh[0], count / 4); 3376672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3377672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3378672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3379672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3380026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 33811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3382d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3383c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3384d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3385d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3386d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 338770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 338815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 33899c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 339070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 339170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 339270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 339370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 339470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 339570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 339670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 339770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 339870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3399c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3400c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3401c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3402c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 340382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 34048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 340582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 340682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 340782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 340882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3409d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 34108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 34113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 34123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 34133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy vertices = &mMeshVertices[0].position[0]; 34163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texCoords = &mMeshVertices[0].texture[0]; 34173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 34193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 34203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 34223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34243b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 34253b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 34263b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 34276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3428d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 34296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 34303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy alpha / 255.0f, mode, texture->blend, vertices, texCoords, 34313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 34326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3433d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 34346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 34353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 34363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 34406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 344185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 344285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3443bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3444a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3445a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 344603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3447f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3448f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3449f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3450a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34516820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34538694230ff25fa0a60e480d424843e56b718f0516Romain Guy 345470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 345570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 345670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 345770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 345870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 345970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3460886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 346270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 346303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 346470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3465db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3466886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 346786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 346870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 346970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3470db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 34716820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 347270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 347370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 347482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 347582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 34763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 34773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 34843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilter(); 34853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 34863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 34873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!ignoreScale) { 34893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 34903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 34913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 34923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 34943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 34953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilterUniforms(); 34963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 34973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 34993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 35003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy finishDrawTexture(); 35013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 35023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3503886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3504886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3505886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3506527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool ignoreTransform, bool ignoreScale, bool dirty) { 3507886b275e529e44a59c54b933453d9bc902973178Romain Guy 3508886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3509886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3510886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3511886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3512886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3513886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3514886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3515886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3516886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3517886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3518527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!ignoreScale) { 3519527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelView(left, top, right, bottom, ignoreTransform); 3520527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 3521527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3522527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 3523886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3524886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3525886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3526886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3527886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3528886b275e529e44a59c54b933453d9bc902973178Romain Guy 3529886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3530886b275e529e44a59c54b933453d9bc902973178Romain Guy 3531886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3532886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3533886b275e529e44a59c54b933453d9bc902973178Romain Guy 3534a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3535f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 353678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 353778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 353878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 353978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 354078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 354178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 354278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 354378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 354478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 354578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 354678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 354778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 354878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 354982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3550c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 355182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 355282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 355382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 355482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 355582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 355682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 355733fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 35583bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3559a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3560f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3561a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 356282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 356382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 356482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 356582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 356682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 356782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 356882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 356982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3570a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 357182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 357282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 357382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 357482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 357582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 357682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 357782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 357882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 357982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 358082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 358182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 358282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 358382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 358482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3585fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 358682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 358782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3588fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3589bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3590bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3591889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3592d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3593fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3594d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3595fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 35966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3597260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 35986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3599260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3600260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3601026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3602ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 360382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 360482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 360582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 360682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 36078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 36088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 360916ecda5317c40fc3da284952d9b3add34d6763aeChris Craikvoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3610be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 361116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 361216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 361387b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 361416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3615db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3616026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3617026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 361816ecda5317c40fc3da284952d9b3add34d6763aeChris Craikfloat OpenGLRenderer::getLayerAlpha(Layer* layer) const { 361916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 362016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 362116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 362216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 362316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 362416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 362516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik return alpha * mSnapshot->alpha; 362616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 362716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 36289d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3629e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3630