OpenGLRenderer.cpp revision 627c6fd91377ead85f74a365438e25610ef1e2ee
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 533627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 53487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 535627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 536627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 537627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 53887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 539627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 540627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 541627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 54287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 543627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 544627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 545627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 54687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 547627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 548627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 54987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 55087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 55187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 55287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 55378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 55478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t count = mWidth * mHeight; 55578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 55678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glReadPixels(0, 0, mWidth, mHeight, GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 55778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 55978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 56078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 56178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 56278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 56478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 56678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 56778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 56911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 57396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && 57496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->displayList && layer->displayList->isRenderable()) { 575405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 576405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 57711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 57811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5797c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5807c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5817c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5827c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 58311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 58496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 58502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 58696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 58796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 58896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 58911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 59111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5955bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 59634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 59911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 60011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 60111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 60211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 60311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 60411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 60596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 60696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 60796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 60811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 60911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 61096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 61196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 61296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 61396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 61496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 61511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 6161206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6171206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 61811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 61911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 62096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 62196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 62296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 62411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 62596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 62696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 62796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 62896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 63096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 63196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 63296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 63396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 63496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 63596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 63696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 63796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 63896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 6391206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6401206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 64196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 64202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 64302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 644405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 64502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 64602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 647405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 648405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 64902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 65002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 65196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 65296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 65396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 65496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 65511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 65696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 65711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 65811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 65911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 66011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 66111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 66211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 66302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 66402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 66502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 66602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 66702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 66802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 66902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 67002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 67102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 67211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 67311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 67411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 67511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 67611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 677e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 678e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 679e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 680e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 681e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 682e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 683e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 684e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 685e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 686e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 687e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 688e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 68911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 69011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 69111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 69211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 69311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 69411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 69511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 69611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 69711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 69811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 69911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 70011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 701405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 702405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 703405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 704405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 705405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 706405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 707405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 708405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 70911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 710f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 711f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 712f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 713bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 7147ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 715bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 716bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 717bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 7188aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 719bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 720bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 721bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 7222542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 7232542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 7247ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 725bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 726bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 727bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 7288fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 729bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 7308fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 7312542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 7327ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 733bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 734bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 7358aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 7368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 7378fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 738bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 739bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 740bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 7417ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 742bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 743eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 744bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 745bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 7467ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 747bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 748eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 749eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 750eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 751eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 752eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 753eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 7558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 7568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 7572542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 758746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 7598fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 7602542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 7615ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 7627273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 7637273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 7645ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 7657273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 7665ec9924d24495822b589f1a17996655d66273b30Romain Guy } 7675ec9924d24495822b589f1a17996655d66273b30Romain Guy 7682542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 769d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 7705cbbce535744b89df5ecea95de21ee3733298260Romain Guy 771f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 772bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 773bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 774bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 775bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 776ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 777eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 778eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 779d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 780af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 781d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 782dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 783d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 784d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 785bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 786bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 787d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 788d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 789d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 790d90144db52c7297879b950cbbc85137ed123ab5bChris Craik currentTransform().mapRect(bounds); 791d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 792d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 793d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (bounds.intersect(*mSnapshot->clipRect)) { 794d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 795d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 796d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 797d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 798d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 799d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 800d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!bounds.intersect(mSnapshot->previous->viewport)) { 801d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 802d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 803d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 804d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 805d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.loadInverse(currentTransform()); 806d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 807d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 808d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 809d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 810d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 811d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 812d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 813d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 814d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 815d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 816d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 817d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 818d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 819d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 820408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 821408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 822408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 823408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 824408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 825408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 826408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 827408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 828408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 829408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 830408eb12631376cbdc96803e918decf6ea804d346Chris Craik 831d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 832d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 833d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const GLuint previousFbo = mSnapshot->fbo; 834d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 835d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 836d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!mSnapshot->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 837d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 838d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 839d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 840d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 841d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 842d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 843d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 844408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, true, alpha); 845d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 846408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (!mSnapshot->isIgnored()) { 847d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 848d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 8490e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 850d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 851d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 852d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 853d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 854d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 855d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 856d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 8571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 8591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 8601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 8611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 8621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 8631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 8641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 8661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 8671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 8681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 8691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 8701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 8711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 8721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 8746b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 8756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 8766b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 8776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 8781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 8801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 8811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 88287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 8831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 8841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 8851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 8871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 8881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 8891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 8901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 8911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 8931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 8941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 8951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 8961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 8971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 8981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 9001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 9011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 90287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 90387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 90487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 90587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 90687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 9071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 908d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 909d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 910eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 911fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 912dda570201ac851dd85af3861f7e575721d3345daRomain Guy 913eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 914eb99356a0548684a501766e6a524529ab93304c8Romain Guy 915f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 916d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 9178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 918d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 919408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, alpha); 920dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 921dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 922408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (mSnapshot->isIgnored()) { 923b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 924b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 925dda570201ac851dd85af3861f7e575721d3345daRomain Guy 926a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9278550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 928f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 929f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 930bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 931bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 9329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 9338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 9359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 936c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 937a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 9387c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 939dda570201ac851dd85af3861f7e575721d3345daRomain Guy 9408fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 941d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 942d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 9431d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 9447273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 945eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 946d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 947eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 948eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 9499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 950514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 9519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 952b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 953b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 954b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 955b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 956b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 957b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 959514fb18827186591d66973c2362c859b64b63556Romain Guy } 9607b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 961b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 962b254c242d98f4a9d98055726446351e52bece2c6Romain Guy mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 963b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 96454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 966ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 967eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 968f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 969d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 970bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 971bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 972d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 973c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 9755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 976d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 977c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 978c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 979d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 980d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 981d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 982d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 983d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 984d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9862b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9877c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 9885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 9899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 9909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 9940908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 9965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 9999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1001f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 10025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 1004586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 10058f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 10085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 10105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 10125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 10135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 10145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 10165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 10191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 10201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 10211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 10221d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 10233762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 10241d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 10251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 10278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 10288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 10295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 1030eb99356a0548684a501766e6a524529ab93304c8Romain Guy 103139a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 103239a908c1df89e1073627b0dcbce922d826b67055Chris Craik quickRejectNoScissor(rect, &clipRequired); // safely ignore return, should never be rejected 103339a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 103439a908c1df89e1073627b0dcbce922d826b67055Chris Craik 1035eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10362b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 10372b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1038e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 1039e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 10408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 10428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1043eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 1044eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 10457c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 10462b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 10472b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 1048eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 1049eb99356a0548684a501766e6a524529ab93304c8Romain Guy 10509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 1051f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 10529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 10549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 1055f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 1056f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 105703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 1059a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 10625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 1063eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 10659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 10669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 1067171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 10699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 1070171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 1071171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 10739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 10749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 1075eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 10761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1077746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 1078746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1079eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 10808550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 10811d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 1082603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 10831d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 10851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1086aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 10872458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 1088aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1089aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 10909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10918f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 10928f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10938f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 10948f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10958f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 1096aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1097aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 10989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 1099aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 1100aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 1101aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 11029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 11039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 11048f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 11059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 11068f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 11073b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 1108ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1109ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 11103b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11113b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1113d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 11149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1116d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 11179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 11189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 1120aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 1121aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1122aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1123aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1124aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 11255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 11269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 1127aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1128aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1129aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 11305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 11329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 11333b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 1134ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1135b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1136b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1137b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 11389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 11399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 11403b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11413b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1144d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 11459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1146d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 11479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 114916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha = getLayerAlpha(layer); 1150e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik bool blend = layer->isBlend() || alpha < 1.0f; 11519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 1152e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik layer->getTexture(), alpha, layer->getMode(), blend, 11539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 11555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1156aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1157aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1158aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1159aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1160aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1161aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 11625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 116434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 116534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 116634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 116734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 116834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 116934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 117034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 117134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 117234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 117334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 117434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 117534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 117634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 117734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 117834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 117934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 118034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 11815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11839fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11849fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 118534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11869fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1191211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 11925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 11936c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 11946c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 11956c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11966c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 11976c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 11986c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11996c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 12006c5b9be7450903762f676522c32d65f7545730dfChris Craik } 12015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 120216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float alpha = getLayerAlpha(layer); 12039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 12049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1205f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 12065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 12088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 12108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 12118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 12125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 121303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy uint32_t numQuads = 0; 12145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12157230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 12167230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1217ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 12189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 12197230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 12207230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 12217230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1222ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 12239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 12243b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 12253b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 12263b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 12279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1228d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 12299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 12309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1231d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 12329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 12339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 123415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 12355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 12375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 12385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1240f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 12415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1242f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 12435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 12455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 12465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 12475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 12485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 12515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 125231e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy if (numQuads >= gMaxNumberOfQuads) { 125334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 125434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 12565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 12575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 126134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 126234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 12675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 12705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 12743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 12933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 12943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 12953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 12973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 12983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 13008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 13018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 13028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 13048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 13058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 13068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 13078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 13088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 13098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 13108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 13118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1313448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawColorRects(rects.array(), rects.size(), color, mode, true, dirty, false); 13148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1318f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 13205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1321f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1327f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1329f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13301bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 13311bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 13321bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 13331bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 13341bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 13351bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 13361bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 13371bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 13381bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 13395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1343448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::drawIndexedQuads(Vertex* mesh, GLsizei quadsCount) { 1344448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1345448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1346448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1347448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1348448455fe783b0a711340322dca272b8cc0ebe473Romain Guy setupDrawIndexedVertices(&mesh[0].position[0]); 1349448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1350448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1351448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1352448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1353448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1354448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1355448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1356448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1357448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 136154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 136254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 136354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 136454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 136554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 136654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 136754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 136854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 136954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13708a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 137154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1372448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 137354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 137454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 137654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 137754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 137854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 137954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 138054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 138154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 138254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 138354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 138454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1385e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1386e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1387e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1388e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 138954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 139054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 139154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 139254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 139354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 139454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 139554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 139654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1397448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawIndexedQuads(&mesh[0], count); 13988a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13998a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 140054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 140154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 140254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 140354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1404e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 140554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 140654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 140754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1408bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1409c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1410c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1411c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1412ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1413c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1414c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1415c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1416ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1417ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1418ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1419ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik currentMatrix.mapRect(state.mBounds); 142028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 14215e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 14225e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 14235e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 14245e49b307eb99269db2db257760508b8efd7bb97dChris Craik 142528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if(!clippedBounds.intersect(currentClip)) { 1426ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1427ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1428ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 142928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1430a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 143128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (!currentClip.contains(state.mBounds)) { 143228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 143328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 143428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.left > state.mBounds.left) flags |= kClipSide_Left; 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.top > state.mBounds.top) flags |= kClipSide_Top; 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.right < state.mBounds.right) flags |= kClipSide_Right; 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (currentClip.bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1440ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1441d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1442d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1443d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1444ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mBounds.set(currentClip); 1445c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1446ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1447ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1448527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1449527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1450ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.set(currentClip); 1451c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1452c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14537273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14547273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1455c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 14567273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 14577273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mAlpha = mSnapshot->alpha; 1458c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1459c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1460c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1461527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 14623b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 14637273daace9303f4662444111c40bb83d3ead4a92Chris Craik mDrawModifiers = state.mDrawModifiers; 14647273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 1465ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1466527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 146728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 146828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1469ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1470ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1471c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1472c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 147328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 147428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 147528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 147628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 147728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 147828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 147928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 148028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 148128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 148228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 148328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 148428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(0, 0, mWidth, mHeight); 148528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1486527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 148728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1488527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1489527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1490c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1491f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1492f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1493f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1494f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 14954c2547fa9244e78115cde0a259291053108c3dc7Romain Guy currentTransform().translate(dx, dy); 1496f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1497f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1498f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 14993b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1500f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1501f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1502f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 15033b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1504f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1505f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1506807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 15073b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1508807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1509807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1510f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1511e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 15123b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1513e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 15143b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1515e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1516f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1517f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1518b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 15193b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1520b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1521b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1522f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 15233b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1524f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1525f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1526f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1527e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 15283b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1529e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 15303b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1531f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1532f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1533f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1534f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1535f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1536f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1537bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1538e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1539e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 15408f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 15418a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 15428a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 15438a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 15448a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 15459d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 15469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 15478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 15488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 15498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 15508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 15518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 15528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 15538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 15578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 15588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1559c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1560c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1561c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1562c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1563c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 15648d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 15653bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 15668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1567c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1568f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 15698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 15738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 15748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 15758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 15768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 15778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 15788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 15828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 15848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 15918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 15928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 15998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 16008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 16023ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16033ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 16043ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 16053ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 16063ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 16073ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 16088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 16098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 16108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 16138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16149d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1615079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1616bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1617bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 161839a908c1df89e1073627b0dcbce922d826b67055Chris Craikbool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 16195e49b307eb99269db2db257760508b8efd7bb97dChris Craik bool snapOut, bool* clipRequired) { 162039a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 16218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 16228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 16238a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 16248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 16253b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 16265e49b307eb99269db2db257760508b8efd7bb97dChris Craik 16275e49b307eb99269db2db257760508b8efd7bb97dChris Craik if (snapOut) { 16285e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapOut is generally used to account for 1 pixel ramp (in window coordinates) 16295e49b307eb99269db2db257760508b8efd7bb97dChris Craik // outside of the provided rect boundaries in tessellated AA geometry 16305e49b307eb99269db2db257760508b8efd7bb97dChris Craik r.snapOutToPixelBoundaries(); 16315e49b307eb99269db2db257760508b8efd7bb97dChris Craik } else { 16325e49b307eb99269db2db257760508b8efd7bb97dChris Craik r.snapToPixelBoundaries(); 16335e49b307eb99269db2db257760508b8efd7bb97dChris Craik } 16348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 16358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 16368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 16378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 163839a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (!clipRect.intersects(r)) return true; 163935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 164039a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (clipRequired) *clipRequired = !clipRect.contains(r); 164139a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 164235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 164335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1644672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1645672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 16465e49b307eb99269db2db257760508b8efd7bb97dChris Craik // AA geometry will likely have a ramp around it (not accounted for in local bounds). Snap out 16475e49b307eb99269db2db257760508b8efd7bb97dChris Craik // the final mapped rect to ensure correct clipping behavior for the ramp. 16485e49b307eb99269db2db257760508b8efd7bb97dChris Craik bool snapOut = paint->isAntiAlias(); 16495e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1650cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1651cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 16525e49b307eb99269db2db257760508b8efd7bb97dChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset, snapOut); 1653cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 16545e49b307eb99269db2db257760508b8efd7bb97dChris Craik return quickReject(left, top, right, bottom, snapOut); 1655cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1656cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1657cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 16585e49b307eb99269db2db257760508b8efd7bb97dChris Craikbool OpenGLRenderer::quickReject(float left, float top, float right, float bottom, bool snapOut) { 165939a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 16605e49b307eb99269db2db257760508b8efd7bb97dChris Craik if (quickRejectNoScissor(left, top, right, bottom, snapOut, &clipRequired)) { 1661dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1662dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1663dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 166439a908c1df89e1073627b0dcbce922d826b67055Chris Craik if (!isDeferred()) { 166539a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1666586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 166739a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1668c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1669c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 16708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1671735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 16728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 16738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 16748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 16768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1677735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 16788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 16793b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 16808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 16818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1683735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 16848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 16857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 16868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 16888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 16898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1690b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy return OpenGLRenderer::clipPath(&path, op); 1691e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1692e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1693735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 16948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 16953b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 16968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 16988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 16998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 1701b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy if (!mSnapshot->previous->clipRegion->isEmpty()) { 1702b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy clip.setRegion(*mSnapshot->previous->clipRegion); 17038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 1704b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy if (mSnapshot->previous == mFirstSnapshot) { 1705b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy clip.setRect(0, 0, mWidth, mHeight); 1706b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy } else { 1707b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy Rect* bounds = mSnapshot->previous->clipRect; 1708b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 1709b7b93e00893f5c690a96bd3e0e10583bc5721f83Romain Guy } 17108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 17138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 17148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 17158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 17168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 17178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 17188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1720735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1721735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1722735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 17238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 17248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 17258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 17268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 17278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1728735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1729735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1730a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1731a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1732a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1733a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1734f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 173570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 173670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 17398a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 17408a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 174154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 17428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 17438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1744b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1745b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1746b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1747b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 17488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 174970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17503ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 175170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 17523ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 175370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 175570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 175770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 17583ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 17593ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 17603ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 17613ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 17623ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 17633ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 176478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 176578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 176670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 176770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 176870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 176970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 177070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 177170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1773ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1774ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1775ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1776ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1777ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1778ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1780aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1781aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 178315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1784ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 178515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 178615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1787710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 178899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 17895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 17928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1793886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1794886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1795886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 179670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 179770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 179870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 180186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1802886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1803886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1804886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 180586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 180686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 180786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 180886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 18094121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 18104121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 18114121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18124121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 181370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 181470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 181570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 181670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 181770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 181870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 181970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 182070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1823c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1824c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 182570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 182670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1829c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1830c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 183170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 183270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1834f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1835f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1836f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1837f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 183854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1839f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1840f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1841f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 184270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1843f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1844f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1845f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1846c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1847c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1848c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 184970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 185170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1852f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1853f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1854f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1855c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1856c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1857c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1858c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 185970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 186270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 186370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 186670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 186770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 187070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 187170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 187270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 18733b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 18743b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 187570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1876c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 187770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 187870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 187970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 188070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 18823b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 18838d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 18848d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 188570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 188670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 188770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 188870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 188970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 189070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 189170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 189270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 189386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 189486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 18953b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 189686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 18973b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 189886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 189986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1900c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 190186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 190286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 190370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 190470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 190570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1906c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 190770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 190870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 190970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 191070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 191186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 19125536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 191386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 19145536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 19155536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 19165536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 191770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1918c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 191970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 19203b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 192170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1922c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1923c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 192470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 192570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 192670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1928c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1929c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1930c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 19318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 19328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 19338d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 193470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1935c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1936c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 193770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 193870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 193970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19404121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 19414121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 19424121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 19434121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 194470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1945f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1946cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 194715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 194870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 194970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 195070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1951257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 19522d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 195315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 195470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 195570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1956aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1957aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 19582d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 195915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1960aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1961aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 19628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 19638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 19648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 19658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 19668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1967aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1968aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1969aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 197170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1972f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 19733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1974f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 197570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1976f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 197770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1978d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1979cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 198015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1981cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 198215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 198315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 198415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 198515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 198615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1987ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1988ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1989ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1990ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1991ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1992ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1993ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1994ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1995ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1996ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1997ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1998ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1999ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2000ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2001ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 2002ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 2003ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 20043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 20053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 20063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 20073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 20083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 20093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 20103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 20113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 20123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 20133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 20143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.bindIndicesBuffer(); 20153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2016cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 201715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 2018cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 20198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 202070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 202170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 2022448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 2023f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 2024448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mCaches.bindIndicesBuffer(); 2025cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 202870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 2029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 2030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 2031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2032ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 2033ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 203458d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 20350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 20360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 203704c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 2038d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 203958d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 2040ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 2041ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 204258d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 2043c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 2044c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 204528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 204628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik DeferredDisplayList deferredList(*(mSnapshot->clipRect), avoidOverdraw); 2047ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 2048ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 204996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 205096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 205158d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 205296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 205358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | deferredList.flush(*this, dirty); 20540fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 20557b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 20566554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 20570fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 20580fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 2059c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 2060ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 20617031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 2062ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 2063ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 2064ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 2065a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 2066a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 2067a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 2068a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 2069a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2070886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 2071886b275e529e44a59c54b933453d9bc902973178Romain Guy 2072a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 2073a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 2074a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2075886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2076886b275e529e44a59c54b933453d9bc902973178Romain Guy 2077a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 20783b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 20793b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 20803b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 2081a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 2082a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2083886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 2084886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2085886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 20865b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 2087e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 20883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 20893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 2090886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 20913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2093a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2094a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 209503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 209603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 209703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 209803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 209903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 210055b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guystatus_t OpenGLRenderer::drawBitmaps(SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 210155b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy TextureVertex* vertices, bool transformed, const Rect& bounds, SkPaint* paint) { 2102527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 210355b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2104527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 21053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2106527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2107527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2108527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int alpha; 2109527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik SkXfermode::Mode mode; 2110527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik getAlphaAndMode(paint, &alpha, &mode); 2111527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2112527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 21132db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy texture->setFilter(transformed ? FILTER(paint) : GL_NEAREST, true); 2114527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2115527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2116527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 2117527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2118527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int color = paint != NULL ? paint->getColor() : 0; 2119527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2120527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, paint != NULL, color, alpha, mode, 2121527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 212203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, bitmapCount * 6, true, true, false); 2123527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2124527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2125527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, alpha / 255.0f, mode, texture->blend, 2126527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 212703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, bitmapCount * 6, false, true, 0, true, false); 2128527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2129527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2130527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2131527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2132527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2133486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 21346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 21356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 21366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 21376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2138486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2141a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2143486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 214422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 214522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 2146211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2147a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2148a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2149a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2150a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2151486590963e2207d68eebd6944fec70d50d41116aChet Haase 2152486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 21548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2155486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 2156f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2157f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 2158f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2159f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 21606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 2161486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2164a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2166486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 216722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 216822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 21695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 21705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 21715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 21725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 2173886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2174886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2175886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2176886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2177886b275e529e44a59c54b933453d9bc902973178Romain Guy } 21785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2179486590963e2207d68eebd6944fec70d50d41116aChet Haase 2180486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2181f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2182f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2183486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 2184e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2185e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2186e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2187e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 2188486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2189e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2190e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2191e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2192e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2193e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2194e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2195886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2196886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2197886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2198886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2199886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2200486590963e2207d68eebd6944fec70d50d41116aChet Haase 2201486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2202e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2203e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2204486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 22055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 22065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 2207486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 221039a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 221139a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 221239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2213b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2214b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2215b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2216b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2217b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2218a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2219b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2220ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 2221ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 2222ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2223ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2224ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2225ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2226ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 2227ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 2228ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2229ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2230a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 22313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 22323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 22333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 22343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 22365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 22375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 22385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 22395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 22405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 22415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 22425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 22435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 22443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 22453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 22475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 22485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 22495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 22505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 22515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 22525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 22535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 22545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2255ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2256ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2257ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 22585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2259ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2260ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2261ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2262b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2263a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2264a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2265a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2266a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 22675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 22695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2270a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 2271ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2272a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2273a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2274a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2275ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 22763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 22773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 22783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 22793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 22803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2281ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2282a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2283a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2284a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2285a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2286a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2287a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2288a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2289a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2290a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2291ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2292ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2293a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 22943b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2295b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2296b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2297ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2298ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2299ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2300ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2301ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2302ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2303ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2304ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2305ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2306ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2307ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2308ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2309ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2310ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2311ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2312ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2313ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2314ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2315ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2316ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2317ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2318486590963e2207d68eebd6944fec70d50d41116aChet Haase 2319486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 23205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 23215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2322486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 23238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 23248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 23255c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 23266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2327486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2330a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2332486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 233322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 23348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 23368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2337c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 23383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 23393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 23403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 23413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 23423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 23433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2344c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 234503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 23468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 23478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 234803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 234903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 235003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 235103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2352d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2353d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2354886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2355886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 23566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2357886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2358886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2359886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2360886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2361c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2362886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2363b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 23643b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 23653b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 23663b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2367886b275e529e44a59c54b933453d9bc902973178Romain Guy 2368886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2369886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2370886b275e529e44a59c54b933453d9bc902973178Romain Guy 2371886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2372886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2373886b275e529e44a59c54b933453d9bc902973178Romain Guy 2374886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2375886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 23766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2377d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2378886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2379886b275e529e44a59c54b933453d9bc902973178Romain Guy 2380886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2381886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2382886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2383886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2384886b275e529e44a59c54b933453d9bc902973178Romain Guy 2385886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2386886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2387886b275e529e44a59c54b933453d9bc902973178Romain Guy 2388886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2389886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2390886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2391886b275e529e44a59c54b933453d9bc902973178Romain Guy 2392886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2393886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2394886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2395886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2396886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2397886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2398886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2399886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2400886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2401886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2402886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2403886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2404886b275e529e44a59c54b933453d9bc902973178Romain Guy 2405886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2406886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 24076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 24098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2410486590963e2207d68eebd6944fec70d50d41116aChet Haase 2411486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2412ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2413ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 24143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 24155c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 24164c2547fa9244e78115cde0a259291053108c3dc7Romain Guy if (quickReject(left, top, right, bottom)) { 24174c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 24184c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 24194c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 24204c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 24214c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 24224c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 24234c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 242403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2425be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2426be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 242703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 242803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy float left, float top, float right, float bottom, SkPaint* paint) { 24296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2430486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2433211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2434a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2435a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2436a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2437a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 24383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2439a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2440a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2441a4adcf0239039eb8f005be252409901c41b28839Romain Guy 244203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy int alpha; 244303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy SkXfermode::Mode mode; 244403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy getAlphaAndMode(paint, &alpha, &mode); 244503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 24463b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 24475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 24488168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 24493b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 24503b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 24515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 24525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 24538ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2454211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2455c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2456c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2457c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 24586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2459c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 24603b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 24616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2465211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24663b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 24673b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 24686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 24693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 24703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 24713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(x, y, right, bottom, texture->id, alpha / 255.0f, 24723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 24733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, true, 24743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 24756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 24763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 24773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 24783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, false, 24793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 24806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2481054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2482486590963e2207d68eebd6944fec70d50d41116aChet Haase 2483486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2484f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2485f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 248603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 248703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 248803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 248903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 249003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 249103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guystatus_t OpenGLRenderer::drawPatches(SkBitmap* bitmap, AssetAtlas::Entry* entry, 249203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy TextureVertex* vertices, uint32_t indexCount, SkPaint* paint) { 249303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 249403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 249503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 249603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 249703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 249803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 249903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 250003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 250103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy int alpha; 250203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy SkXfermode::Mode mode; 250303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy getAlphaAndMode(paint, &alpha, &mode); 250403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 250503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 250603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mode, texture->blend, &vertices[0].position[0], &vertices[0].texture[0], 250703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy GL_TRIANGLES, indexCount, false, true, 0, true, false); 250803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 250903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 251003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 251103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 251265cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 251365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 25146d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2515bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 251665cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2517bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2518bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 251965cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 252065cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 252165cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 252265cd612face362d054a85d0f7e5881c59cd523beChris Craik 2523710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2524710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2525710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2526710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2527710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2528710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2529710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2530710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 253165cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2532710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2533710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2534710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2535858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2536710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2537710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2538cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2539710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2540710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 25416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2542710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2543710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2544710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2545710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 25466ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2547710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 25486ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 25496ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2550710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 25516ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 25526d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 25537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2554710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 25556ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 255604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 255765cd612face362d054a85d0f7e5881c59cd523beChris Craik 255865cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2559858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2560858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2561858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 256265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 256365cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 256465cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 256565cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 256665cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 256765cd612face362d054a85d0f7e5881c59cd523beChris Craik * 256865cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 256999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 257065cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 257165cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 257265cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 257365cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 25747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2575c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy if (hasLayer()) { 2576c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy SkRect bounds = path.getBounds(); 2577c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy PathTessellator::expandBoundsForStroke(bounds, paint, false); 2578c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2579c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy } 25807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 258165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 258265cd612face362d054a85d0f7e5881c59cd523beChris Craik} 25837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 258465cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 258565cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 258665cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 258765cd612face362d054a85d0f7e5881c59cd523beChris Craik * 258865cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 258965cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 259065cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 259165cd612face362d054a85d0f7e5881c59cd523beChris Craik * 259265cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 259365cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 259465cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 259565cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 259665cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 25977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 259865cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 25997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 260065cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 260165cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 260265cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2603d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2604d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2605d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2606d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2607d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 26083b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2609486590963e2207d68eebd6944fec70d50d41116aChet Haase 261065cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 261165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 26125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 26135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2614486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 26156d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (mSnapshot->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2616ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 26176d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 26187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 26196d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 26206d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik SkRect bounds; 26216d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik PathTessellator::tessellatePoints(points, count, paint, mSnapshot->transform, bounds, buffer); 26227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 26236d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 26246d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2625ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2626ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 26276d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2628486590963e2207d68eebd6944fec70d50d41116aChet Haase 26296d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 26306d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return drawVertexBuffer(buffer, paint, useOffset); 2631ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2632ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2633486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2634e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2635486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2636e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2637ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2638ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 263970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 26403d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2641486590963e2207d68eebd6944fec70d50d41116aChet Haase 2642486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2643c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2645486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2646486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2647486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 264801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 264901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 265001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 265101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 265201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 265301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2654486590963e2207d68eebd6944fec70d50d41116aChet Haase 2655486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 265601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 265701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2658486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2659710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2660257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2661257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2662710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2663710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 266401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2665cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2666710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2667c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2668710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2669710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2670710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2671710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2672710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2673710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2674cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2675cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2676cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2677cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2678cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2679cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2680710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 268165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2682c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 268301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2684710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2685cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2686257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2687257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2688710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2689710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2690cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2691710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2692c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2693710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2694710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2695710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2696710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2697cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2698cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2699cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2700cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2701cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 270265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2703c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 270401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2705486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2706710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2707257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2708257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2709710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2710710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 271101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2712cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2713710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2714c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2715710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2716710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2717710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2718710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2719710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2720cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2721cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2722cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2723710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 272465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2725c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2726c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2727486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2728780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2729257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2730257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2731780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2732780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 27338b2f5267f16c295f12faab810527cd6311997e34Romain Guy 27348b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2735780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 27368b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 27378b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2738780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 273965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2740780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2741c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2742780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2743780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2744780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2745780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2746780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2747780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2748780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2749780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2750780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2751780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2752780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2753780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2754780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2755780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2756780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2757780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2758780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 275965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 27608b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 27618b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2762cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2763cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2764cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2765486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2766257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2767257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2768486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 27696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 27706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2771710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2772cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2773cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2774cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2775cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2776cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2777c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2778cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2779cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2780cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2781cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2782cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2783cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2784cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2785cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2786cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 278765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2788026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2789026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 27903b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2791710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2792710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 279365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2795710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 279665cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2798c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 27999d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2800416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2801416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2802416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2803416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2804416a847633680d94efb926837efdc18726d54918Raph Levien 2805416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2806416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2807416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2808416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2809c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2810cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2811cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2812cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2813416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2814416a847633680d94efb926837efdc18726d54918Raph Levien 2815c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2816c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2817416a847633680d94efb926837efdc18726d54918Raph Levien 2818c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2819c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2820c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2821416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2822416a847633680d94efb926837efdc18726d54918Raph Levien } 2823416a847633680d94efb926837efdc18726d54918Raph Levien 2824416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2825416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2826416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2827416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2828416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2829416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2830416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2831416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2832416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2833416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2834416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2835416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2836416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2837416a847633680d94efb926837efdc18726d54918Raph Levien 2838416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2839416a847633680d94efb926837efdc18726d54918Raph Levien} 2840416a847633680d94efb926837efdc18726d54918Raph Levien 2841768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2842768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2843768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2844768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2845768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2846486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2847eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2848768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2849486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2850eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2851eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2852671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 28533b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2854486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2855671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2856671d6cf460531825a321edb200523d0faa7792c9Romain Guy 285739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 285839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2859671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2860671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 28613b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2862671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 28633b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 28643b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2865671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2866671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2867b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2868c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2869671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2870671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2871671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2872671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2873671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2874c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2875e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2876e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2877416a847633680d94efb926837efdc18726d54918Raph Levien } 2878416a847633680d94efb926837efdc18726d54918Raph Levien 2879671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 28803b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2881671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2882671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2883671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2884257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2885671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2886671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2887671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2888671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2889211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2890671d6cf460531825a321edb200523d0faa7792c9Romain Guy 28911e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2892671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2893257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2894671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2895671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 28963b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2897671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2898671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2899671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2900671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2901486590963e2207d68eebd6944fec70d50d41116aChet Haase 2902486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2903eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2904eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2905624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2906624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2907624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2908624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2909624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2910624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2911b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2912624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2913624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2914624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2915624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2916624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2917624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2918624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2919624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2920624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 292141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 292241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik const float* positions, SkPaint* paint, float totalAdvance, const Rect& bounds, 2923527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2924527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2925527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 292628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 292728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 292828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint) || 292928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik quickReject(bounds)) { 293028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 293128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2932cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2933cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 29343a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 29353a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2936624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2937624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2938624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2939c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2940211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2941624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2942624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 29436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 29446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 294586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 294686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 294786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29489d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2949c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2950c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2951c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2952c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2953c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2954c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 29551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 29561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 295719d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 295819d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2959624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2960624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2961624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2962624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2963624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2964624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2965624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2966624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2967624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2968624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2969624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2970624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 29713b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2972c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 29736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2974a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2975257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 297606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2977624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2978624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 297941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 29805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2981996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 29821e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2983527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2984527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2985527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2986a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 29878b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 29888b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 29898b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 299041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2991996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 29928b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 299341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2994996e57c84368058be793897ebc355b917a59abc2Raph Levien } 29954ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2996527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2997624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 299841541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2999a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 300041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 30015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 3002694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 300341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik drawTextDecorations(text, bytesCount, totalAdvance, oldX, oldY, paint); 3004486590963e2207d68eebd6944fec70d50d41116aChet Haase 3005486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 3006694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 3007694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 3008486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 3009325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 3010768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 3011486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 301203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 301303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 301439a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 301539a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 301639a908c1df89e1073627b0dcbce922d826b67055Chris Craik 3017b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 3018c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 3019257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 302003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 302103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 302203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 302303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 30241e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 30259777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 30269777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 30279777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 302803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 30299777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 30309777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 30319777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 30321e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 30339777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 30343b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 30359777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 30369777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 30379777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 3038486590963e2207d68eebd6944fec70d50d41116aChet Haase 3039486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 3040325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 3041325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 3042486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 3043486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 3044dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 3045a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30467fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3047fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 3048486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 304922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 30507fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 30518b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 30528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 30538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 305401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 3055486590963e2207d68eebd6944fec70d50d41116aChet Haase 3056486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30577fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 30587fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3059a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 306035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 3061486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 30626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 30636c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3064b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 3065b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 3066b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 3067b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 3068b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 30693b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 3070b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3071b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3072b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 307339a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 307435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 30755e49b307eb99269db2db257760508b8efd7bb97dChris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), false, &clipRequired); 30764ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 307735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 3078b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3079b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3080b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 308135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 308235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 308335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 30845bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 30852bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 308639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 3087a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30886c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3089211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 3090c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 3091c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 3092e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 3093c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 309434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 309534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 3096c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 309716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 3098c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 3099c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 31008168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 3101c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 31029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 3103c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 3104c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 3105c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 31069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 31073b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 31083b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 31093b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 31109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3111d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 31124ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 31134ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 31149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3115d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 31169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 31179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 31189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3119c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3120448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3121448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3122448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3123448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3124448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3125448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3126448455fe783b0a711340322dca272b8cc0ebe473Romain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 3127448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3128448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3129448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3130448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3131448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3132448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3133448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3134448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3135c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 31363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 31373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 31383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3139c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 31404ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 3141c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 3142e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 31435bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 31445bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 31454ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 31464ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 31474ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 314934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3150486590963e2207d68eebd6944fec70d50d41116aChet Haase 3151b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3152b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3153b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3154b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3155486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 31566c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 31576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 31586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 3159d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 3160d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3161d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3162d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 3163c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 316406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 316506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 316606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 3167c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 3168c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 31698aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mDrawModifiers.mShader->setCaches(mCaches); 317006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 31717fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 31727fac2e18339f765320d759e8d4c090f92431959eRomain Guy 3173d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3174db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 3175db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 3176db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3177db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 3178c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 3179db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3180db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3181db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 3182c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 3183db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3184db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3185db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 31861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 31871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 31881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 3190c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 31911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 31921e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 3194c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 3195c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 3196c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 3197c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 3198c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 31991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 32001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 32011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 32025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 32035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 32045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3206527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3207527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3208c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3209527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3210527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 32115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3214c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3215c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3216c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 32175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3219a08f95cfeca7217f9c533b03663bf0dceedd259aChris CraikSkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 3220758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3221758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3222758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 32235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 32255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3227c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3228c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 32295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 32315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 32325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 32335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 32346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 32356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 32366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 32373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain GuyTexture* OpenGLRenderer::getTexture(SkBitmap* bitmap) { 32383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 32393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 32403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 32413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 32423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 32433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 32443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 324501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 324601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 324701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 324801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 324901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 325001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 325101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 325201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 325301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 325401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 325501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 325601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 325701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 325801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 325901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 326001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 326101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 326201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 326301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 326401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 326501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 326601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 326701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 326801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 326901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 327001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 327101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3272f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 32730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 32740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 32750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 32760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 327741541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float underlineWidth, 32780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 32790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 32800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 32810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3282726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 32830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3284211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3285726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3286f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 32870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32888b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 32890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3290e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3291f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3292f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3293f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3294f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3295f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3296e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3297e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 32980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 33000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3301e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3302e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3303e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3304e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 33050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 33070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 33080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3309e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3310e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3311e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3312e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 33130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3314e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3315726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3316e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3317726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 33180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 33200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 33210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3322672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3323672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3324672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3325672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3326672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3327735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3328735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3329c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3330735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3331735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3332735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3333735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3334735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3335735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3336735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3337735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 33383bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 33393b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 33403b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 33413b753829ae858d424fe109f714745379a6daf455Romain Guy } 3342735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3343672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3344672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3345672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3346672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3347672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3348448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3349672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3350672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33512af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3352672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3353672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3354672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3355672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3356672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33573b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 33583b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 33593b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 33603b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3361672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33623b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 33633b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 33643b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 33653b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3366672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3367672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33683b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3369a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3370a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3371672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3372672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3373672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3374672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3375672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3376672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3377672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3378672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3379672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3380735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3381672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3382672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3383672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3384672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 33863b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3387672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3388672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3389448455fe783b0a711340322dca272b8cc0ebe473Romain Guy drawIndexedQuads(&mesh[0], count / 4); 3390672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3391672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3392672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3393672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3394026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 33951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3396d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3397c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3398d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3399d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3400d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 340170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 340215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 34039c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 340470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 340570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 340670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 340770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 340870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 340970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 341070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 341170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 341270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3413c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3414c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3415c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3416c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 341782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 34188164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 341982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 342082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 342182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 342282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3423d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 34248164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 34253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 34263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 34273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy vertices = &mMeshVertices[0].position[0]; 34303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texCoords = &mMeshVertices[0].texture[0]; 34313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 34333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 34343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 34363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34383b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 34393b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 34403b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 34416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3442d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 34436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 34443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy alpha / 255.0f, mode, texture->blend, vertices, texCoords, 34453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 34466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3447d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 34486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 34493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 34503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 34546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 345585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 345685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3457bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3458a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3459a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 346003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3461f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3462f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3463f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3464a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34656820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34678694230ff25fa0a60e480d424843e56b718f0516Romain Guy 346870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 346970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 347070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 347170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 347270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 347370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3474886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 347670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 347703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 347870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3479db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3480886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 348186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 348270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 348370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3484db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 34856820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 348682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 348782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 34883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 34893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 34963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilter(); 34973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 34983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 34993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 35003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!ignoreScale) { 35013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 35023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 35033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 35043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 35053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 35063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 35073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilterUniforms(); 35083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 35093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 35103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 35113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 35123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3513886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3514886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3515886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3516527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool ignoreTransform, bool ignoreScale, bool dirty) { 3517886b275e529e44a59c54b933453d9bc902973178Romain Guy 3518886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3519886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3520886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3521886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3522886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3523886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3524886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3525886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3526886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3527886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3528527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!ignoreScale) { 3529527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelView(left, top, right, bottom, ignoreTransform); 3530527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 3531527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3532527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 3533886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3534886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3535886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3536886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3537886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3538886b275e529e44a59c54b933453d9bc902973178Romain Guy 3539886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3540886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3541886b275e529e44a59c54b933453d9bc902973178Romain Guy 3542a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3543f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 354478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 354578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 354678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 354778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 354878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 354978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 355078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 355178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 355278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 355378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 355478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 355578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 355678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 355782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3558c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 355982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 356082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 356182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 356282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 356382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 356482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 356533fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 35663bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3567a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3568f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3569a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 357082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 357182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 357282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 357382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 357482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 357582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 357682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 357782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3578a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 357982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 358082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 358182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 358282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 358382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 358482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 358582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 358682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 358782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 358882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 358982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 359082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 359182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 359282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3593fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 359482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 359582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3596fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3597bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3598bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3599889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3600d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3601fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3602d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3603fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 36046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3605260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 36066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3607260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3608260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3609026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3610ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 361182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 361282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 361382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 361482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 36158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 36168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 361716ecda5317c40fc3da284952d9b3add34d6763aeChris Craikvoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3618be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 361916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 362016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 362187b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 362216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3623db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3624026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3625026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 362616ecda5317c40fc3da284952d9b3add34d6763aeChris Craikfloat OpenGLRenderer::getLayerAlpha(Layer* layer) const { 362716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 362816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 362916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 363016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 363116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 363216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 363316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik return alpha * mSnapshot->alpha; 363416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 363516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 36369d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3637e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3638