OpenGLRenderer.cpp revision 65fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6
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 1985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 2065fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 21c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 220fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 23405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy#include "Fence.h" 242dc236b2bae13b9a0ed9b3f7320502aecd7983b3Tom Hudson#include "GammaFontRenderer.h" 252dc236b2bae13b9a0ed9b3f7320502aecd7983b3Tom Hudson#include "Patch.h" 2665cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 2787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 282dc236b2bae13b9a0ed9b3f7320502aecd7983b3Tom Hudson#include "RenderNode.h" 2965fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include "renderstate/RenderState.h" 3055bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "ShadowTessellator.h" 31d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include "SkiaShader.h" 32a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 3355bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "VertexBuffer.h" 342dc236b2bae13b9a0ed9b3f7320502aecd7983b3Tom Hudson#include "utils/GLUtils.h" 358dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson#include "utils/PaintUtils.h" 3606e7fe5a70409d2050b2b3e1286500f5223099daChris Craik#include "utils/TraceUtils.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3865fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <stdlib.h> 3965fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <stdint.h> 4065fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <sys/types.h> 4165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 4265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <SkCanvas.h> 4365fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <SkColor.h> 4465fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <SkShader.h> 4565fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <SkTypeface.h> 4665fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 4765fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <utils/Log.h> 4865fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <utils/StopWatch.h> 4965fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 5065fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <private/hwui/DrawGlInfo.h> 5165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 5265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <ui/Rect.h> 5365fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 5462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 5562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik #define EVENT_LOGD(...) eventMarkDEBUG(__VA_ARGS__) 5662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#else 5762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik #define EVENT_LOGD(...) 5862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 5962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 60e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 619d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 629d5316e3f56d138504565ff311145ac01621dff4Romain Guy 6367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craikstatic GLenum getFilter(const SkPaint* paint) { 6467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) { 6567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_LINEAR; 6667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik } 6767862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_NEAREST; 6867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik} 69d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 709d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 719d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 729d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 739d5316e3f56d138504565ff311145ac01621dff4Romain Guy 74889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 75889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 76889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 77889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 78889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 79889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 80889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 81889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 82889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 85026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 862ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 882ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 99d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 101026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 102e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 10487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 10587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 1072ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1082ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 1092ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 1102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 1112ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 1122ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1132ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1142ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1152ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1162ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1172ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1182ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1192ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 120d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1212ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 122f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 123f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 125448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 126448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 127448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 128448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 129448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 130448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 131448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 132448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 133448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 134f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 135f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 136f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1373b20251a355c88193c439f928a84ae69483fb488John ReckOpenGLRenderer::OpenGLRenderer(RenderState& renderState) 138984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson : mState(*this) 139058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCaches(Caches::getInstance()) 1403b20251a355c88193c439f928a84ae69483fb488John Reck , mExtensions(Extensions::getInstance()) 141058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mRenderState(renderState) 14265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik , mFrameStarted(false) 143058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mScissorOptimizationDisabled(false) 144284b24358410cb0200e525a5ba36994090c83f20Chris Craik , mSuppressTiling(false) 145284b24358410cb0200e525a5ba36994090c83f20Chris Craik , mFirstFrameAfterResize(true) 146107843de4507b3511006cb9c77b8d0364374385aTom Hudson , mDirty(false) 1471aa5d2d7068147ff781cfe911a93f01593a68c79John Reck , mLightCenter((Vector3){FLT_MIN, FLT_MIN, FLT_MIN}) 148058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mLightRadius(FLT_MIN) 149058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mAmbientShadowAlpha(0) 150058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mSpotShadowAlpha(0) { 151527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 152527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 15316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 154026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 155ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 156e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 157e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 15929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 16029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 161e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 162e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 16487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 16587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 16687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 16787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 16887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 16987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 17087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 17187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 17213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 17313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 174058fc640017c90120c599d378a4cbc55668b05b7Chris Craikvoid OpenGLRenderer::initLight(const Vector3& lightCenter, float lightRadius, 175058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 176058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightCenter = lightCenter; 177058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightRadius = lightRadius; 178058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mAmbientShadowAlpha = ambientShadowAlpha; 179058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mSpotShadowAlpha = spotShadowAlpha; 180058fc640017c90120c599d378a4cbc55668b05b7Chris Craik} 181058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 18213631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 183f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 184f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 185f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 186797b95b26bbb7557678af78b9a2a61830158920fChris Craikvoid OpenGLRenderer::onViewportInitialized() { 18735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 18835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 18935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 19035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 191284b24358410cb0200e525a5ba36994090c83f20Chris Craik mFirstFrameAfterResize = true; 19235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 19335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 19496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 195c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 196fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 197984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.initializeSaveStack(left, top, right, bottom, mLightCenter); 19896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1995f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 20096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 202107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::startFrame() { 203107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (mFrameStarted) return; 20496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 20511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 206984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.setDirtyClip(true); 20796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 20896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 20945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 210984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mRenderState.setViewport(mState.getWidth(), mState.getHeight()); 2117d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 21254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 21354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 21454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 215284b24358410cb0200e525a5ba36994090c83f20Chris Craik mSuppressTiling = mCaches.hasRegisteredFunctors() 216284b24358410cb0200e525a5ba36994090c83f20Chris Craik || mFirstFrameAfterResize; 217284b24358410cb0200e525a5ba36994090c83f20Chris Craik mFirstFrameAfterResize = false; 21854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 219d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 2202b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2217c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2227c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 223107843de4507b3511006cb9c77b8d0364374385aTom Hudson clear(mTilingClip.left, mTilingClip.top, 22496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 227107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::prepareDirty(float left, float top, 22896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 22978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 23496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 23596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 236d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 23796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 23896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 23996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 240107843de4507b3511006cb9c77b8d0364374385aTom Hudson startFrame(); 24196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 2427c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2437c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 244dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 245dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 246dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 247dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2483bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 249984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson left <= 0.0f && top <= 0.0f && right >= mState.getWidth() && bottom >= mState.getHeight()) { 250984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const bool isFbo = onGetTargetFbo() == 0; 251f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 252f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 253f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 254dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 255dcfc836b457a87881da409e1acf251515f121446Romain Guy } 256dcfc836b457a87881da409e1acf251515f121446Romain Guy} 257dcfc836b457a87881da409e1acf251515f121446Romain Guy 258107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 25923d307c8d88f4a3849163b9e5b7cd11d0d4f372cJohn Reck if (!opaque) { 26065fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 26165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().set(left, getViewportHeight() - bottom, right - left, bottom - top); 2626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 263107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 264107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 265ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 26644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 26765fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().reset(); 268ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 269ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 270ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 271ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 272ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 273ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 274ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 277bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 27833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTilingCurrentClip(bool opaque, bool expand) { 27954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 280d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 281d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 28214e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 283d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 284d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 28554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 28654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 28733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTiling(*clip, getViewportHeight(), opaque, expand); 288c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 289c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 290c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 29133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque, bool expand) { 292c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 29333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen if(expand) { 29433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 29533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int leftNotZero = (clip.left > 0) ? 1 : 0; 29633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int topNotZero = (windowHeight - clip.bottom > 0) ? 1 : 0; 29733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen 29833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling( 29933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.left - leftNotZero, 30033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen windowHeight - clip.bottom - topNotZero, 30133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.right - clip.left + leftNotZero + 1, 30233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.bottom - clip.top + topNotZero + 1, 30333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen opaque); 30433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } else { 30533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling(clip.left, windowHeight - clip.bottom, 30652036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 30733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } 3082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 3092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3112b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 31254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 3132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3142b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 315107843de4507b3511006cb9c77b8d0364374385aTom Hudsonbool OpenGLRenderer::finish() { 3167c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3172b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3184ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik mTempPaths.clear(); 3194ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik 320ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 321ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 322984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (onGetTargetFbo() == 0) { 323ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 32405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik mCaches.tessellationCache.trim(); 325ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 326ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 32711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 328b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 329e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik GLUtils::dumpGLErrors(); 330b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 33111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 332c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 333e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 33411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 33511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 33611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 33711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 338c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 33911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 34096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 34196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 342107843de4507b3511006cb9c77b8d0364374385aTom Hudson 343107843de4507b3511006cb9c77b8d0364374385aTom Hudson return reportAndClearDirty(); 344b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 345b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 34635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 3473b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 3483b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(currentSnapshot()->fbo); 3497c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 35035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().reset(); 35235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 35335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35564bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampevoid OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 356984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored()) return; 357408eb12631376cbdc96803e918decf6ea804d346Chris Craik 358487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect clip(mState.currentClipRect()); 35980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 36080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 361d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 362d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 363d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 364d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 365d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 366d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 36708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 36808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 36908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 37008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 37108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 37208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 373a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.width = getViewportWidth(); 374a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.height = getViewportHeight(); 375d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 37680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 377984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson bool prevDirtyClip = mState.getDirtyClip(); 37854f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 379984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.getDirtyClip()) { 38054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 38154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 38265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik if (mRenderState.scissor().setEnabled(true) || prevDirtyClip) { 38325d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 38425d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 38554f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 3863b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.invokeFunctor(functor, DrawGlInfo::kModeDraw, &info); 3873b20251a355c88193c439f928a84ae69483fb488John Reck // Scissor may have been modified, reset dirty clip 3883b20251a355c88193c439f928a84ae69483fb488John Reck dirtyClip(); 389cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 390107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 391daf98e941e140e8739458126640183b9f296a2abChet Haase} 392daf98e941e140e8739458126640183b9f296a2abChet Haase 393f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 39487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 39587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 39687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 39762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::eventMarkDEBUG(const char* fmt, ...) const { 39862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 39962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik const int BUFFER_SIZE = 256; 40062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_list ap; 40162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik char buf[BUFFER_SIZE]; 40262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_start(ap, fmt); 40462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik vsnprintf(buf, BUFFER_SIZE, fmt, ap); 40562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_end(ap); 40662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik eventMark(buf); 40862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 40962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik} 41062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 41162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 4120f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4130f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4140f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4150f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 41687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 4253b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.debugOverdraw(enable, clear); 42687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 429984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mCaches.debugOverdraw && onGetTargetFbo() == 0) { 4305f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 43187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 43365fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().set(clip->left, 43465fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mState.firstSnapshot()->getViewportHeight() - clip->bottom, 43565fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik clip->right - clip->left, 43665fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik clip->bottom - clip->top); 43787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 438627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 43987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 440627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 441627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 442627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 44387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 444627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 445627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 446627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 44787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 448627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 449627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 450627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 452627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 453627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 45587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 45687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 45911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 46011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 46111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 463a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (layer->deferredUpdateScheduled && layer->renderer 464a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik && layer->renderNode.get() && layer->renderNode->isRenderable()) { 465405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 4667c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4677c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4687c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4697c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 47269e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik layer->render(*this); 47396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 47469e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik layer->defer(*this); 47596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 47811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 479d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 48011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4825bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 48334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 48411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 48611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 49011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 49296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 49396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 49496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 49796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 49896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 49996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 50096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 50196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5031206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5041206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 5050e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck Layer* layer = mLayerUpdates.itemAt(i).get(); 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 51096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 511984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mRenderState.bindFramebuffer(onGetTargetFbo()); 51296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 51496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 51696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 51796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 51896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 51996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 52096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 52196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 5221206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5231206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 52470850ea258cbf91477efa57a1f1a23cc0044cc93Chris Craik mLayerUpdates.itemAt(i)->flush(); 52596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 52796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 528984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mRenderState.bindFramebuffer(onGetTargetFbo()); 52996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 53111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 53311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 53511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 53602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 53702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 53802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 53902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 54002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 54102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 54202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 54302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 54402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 54511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 54611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 54811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 549e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 550e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 551e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 552e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 553e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 554e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 555e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 556e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 557e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 558e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 559e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 560405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 56170850ea258cbf91477efa57a1f1a23cc0044cc93Chris Craik ATRACE_NAME("Update HW Layers"); 562405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 563405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 564405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 565405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 566405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 567405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 568405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 569443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reckvoid OpenGLRenderer::markLayersAsBuildLayers() { 570443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck for (size_t i = 0; i < mLayerUpdates.size(); i++) { 571443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck mLayerUpdates[i]->wasBuildLayered = true; 572443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck } 573443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck} 574443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck 57511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 576f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 577f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 578f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 57914e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 580a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bool restoreViewport = removed.flags & Snapshot::kFlagIsFboLayer; 58114e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 58214e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 583bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 584a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (restoreViewport) { 5853b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 586eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 587eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5882542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 589746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 5908fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 5912542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 5925ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 5937273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 594a8bea8edde2f20cae48e5cc8de782679306b3cc3Chris Craik ATRACE_END(); // SaveLayer 5957273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 59614e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 5977273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 5985ec9924d24495822b589f1a17996655d66273b30Romain Guy } 599d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6005cbbce535744b89df5ecea95de21ee3733298260Romain Guy 601f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 602bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 603bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 604bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 605bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 6074ace7305608442ab35ea9aa65a4220df152c187fChris Craik // force matrix/clip isolation for layer 6084ace7305608442ab35ea9aa65a4220df152c187fChris Craik flags |= SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag; 6094ace7305608442ab35ea9aa65a4220df152c187fChris Craik 610984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const int count = mState.saveSnapshot(flags); 611d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 612984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (!mState.currentlyIgnored()) { 6133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik createLayer(left, top, right, bottom, paint, flags, convexMask); 614dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 615d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 616d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 617bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 618bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 619d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 620d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 621d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 622d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 623d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 624d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 625487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (bounds.intersect(mState.currentClipRect())) { 626d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 627d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 628d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 629d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 630d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 631d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 632924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik const Snapshot& previous = *(currentSnapshot()->previous); 633924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik Rect previousViewport(0, 0, previous.getViewportWidth(), previous.getViewportHeight()); 634924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik if (!bounds.intersect(previousViewport)) { 635d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 636d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 637d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 638d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 639d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 640d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 641d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 642d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 643d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 644d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 645d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 646d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 647d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 648d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 649d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 650d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 651d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 652d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 653d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 654408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 655408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 656408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 657408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 658408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 659984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->empty = fboLayer; 660408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 661984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->invisible = writableSnapshot()->invisible || (alpha <= 0 && fboLayer); 662408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 663408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 664408eb12631376cbdc96803e918decf6ea804d346Chris Craik 665d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 666d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 667984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const int count = mState.saveSnapshot(flags); 668d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 669984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (!mState.currentlyIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 670d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 671d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 672d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 673d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 674d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 675d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 676d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 677d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 678d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 679984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (!mState.currentlyIgnored()) { 680984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->resetTransform(-bounds.left, -bounds.top, 0.0f); 681984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->resetClip(clip.left, clip.top, clip.right, clip.bottom); 682984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->initializeViewport(bounds.getWidth(), bounds.getHeight()); 683e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik writableSnapshot()->roundRectClipState = nullptr; 684d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 685d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 686d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 687d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 688d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 689d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 6901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 7001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 7011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 7021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 7031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 7041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 7051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 7076b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 7086b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 7096b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 7106b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 7111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 7131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 7141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 71587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 7161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 7171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 7181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 73587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 73687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 73787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 73887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 73987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 741d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 7423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 74307adacf4996c8ca494332ec938786fa15832c722Chris Craik LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 74407adacf4996c8ca494332ec938786fa15832c722Chris Craik LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 745dda570201ac851dd85af3861f7e575721d3345daRomain Guy 746eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 747eb99356a0548684a501766e6a524529ab93304c8Romain Guy 748f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 749d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 751d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 752674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, getAlphaDirect(paint)); 753dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 754dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 755984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored()) { 756b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 757b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 758dda570201ac851dd85af3861f7e575721d3345daRomain Guy 759a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7603b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = mCaches.layerCache.get(mRenderState, bounds.getWidth(), bounds.getHeight()); 761f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 762f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 763bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 764bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 765674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger layer->setPaint(paint); 7668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 769d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 770a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7717c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 7723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(convexMask); // note: the mask must be cleared before returning to the cache 773dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7748fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 775984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->flags |= Snapshot::kFlagIsLayer; 776984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->layer = layer; 7771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 778a8bea8edde2f20cae48e5cc8de782679306b3cc3Chris Craik ATRACE_FORMAT_BEGIN("%ssaveLayer %ux%u", 779a8bea8edde2f20cae48e5cc8de782679306b3cc3Chris Craik fboLayer ? "" : "unclipped ", 780a8bea8edde2f20cae48e5cc8de782679306b3cc3Chris Craik layer->getWidth(), layer->getHeight()); 7817273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 782eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 783e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 784eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 785eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 787514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 789b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 790b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 791b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 792b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 793b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 794e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); 7959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 796514fb18827186591d66973c2362c859b64b63556Romain Guy } 7977b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 798a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 799a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.left, getViewportHeight() - bounds.bottom, 800a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.getWidth(), bounds.getHeight()); 801b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 80254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 80351d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik mLayers.push_back(Rect(bounds)); 804ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 805eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 806f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 807d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 808bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 809bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 810e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 811c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 814984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->region = &writableSnapshot()->layer->region; 815984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer; 816984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->fbo = layer->getFbo(); 817984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->resetTransform(-bounds.left, -bounds.top, 0.0f); 818984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->resetClip(clip.left, clip.top, clip.right, clip.bottom); 819984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->initializeViewport(bounds.getWidth(), bounds.getHeight()); 820e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik writableSnapshot()->roundRectClipState = nullptr; 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8222b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8237c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8253b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(layer->getFbo()); 8269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8300908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 8319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 83733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 83833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTilingCurrentClip(true, true); 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 84165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 84265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().set(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8493b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(bounds.getWidth(), bounds.getHeight()); 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 85614e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 85714e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8583762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8591d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8601d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8611d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 86214e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 86414e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 865eb99356a0548684a501766e6a524529ab93304c8Romain Guy 86639a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 867984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 868e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik &clipRequired, nullptr, false); // safely ignore return, should never be rejected 86965fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(mScissorOptimizationDisabled || clipRequired); 87039a908c1df89e1073627b0dcbce922d826b67055Chris Craik 871eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8722b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8732b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 874e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 875e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 879eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 8803b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(restored.fbo); 8817c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8822b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 883d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 884eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 885eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 88776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 88876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 88976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 89076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 89176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 89276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 895f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 896f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 89703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 899a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 903eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 90414e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 908a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 909a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 910a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 911a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 912984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->alpha = 1.0f; 9139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 914a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 915eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 917746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 918746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 919eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 920e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik layer->setConvexMask(nullptr); 9218550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 92207adacf4996c8ca494332ec938786fa15832c722Chris Craik LAYER_LOGD("Deleting layer"); 923e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik layer->decStrong(nullptr); 9241d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 927aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9282458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 929aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 930aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9328f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9338f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9348f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 93876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 93976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 940aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 941aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 94276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 948d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9499757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 950ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 951ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 952d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 953d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 955d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9564063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 959d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9643380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 965aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 966aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 967aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 968aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 97062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (layer->isTextureLayer()) { 97162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeTextureLayerRect"); 97262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 97362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik drawTextureLayer(layer, rect); 97462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 97562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 97662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeHardwareLayerRect"); 977aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 978aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 979aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 983d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 984ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 985b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 986b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 987b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 990d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 991d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 994d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 996d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 99976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 100076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 100176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 100276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 100376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 100476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 100676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10073380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1010aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1011aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 101434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 101534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 101634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 101734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 101834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 101934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 1020984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 1021984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson DRAW_COMMAND; \ 1022984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (CC_UNLIKELY(mCaches.debugOverdraw && onGetTargetFbo() == 0 && COND)) { \ 1023984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 1024984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson DRAW_COMMAND; \ 1025984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 1026984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson } \ 102734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 102834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 102934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 103034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 1031d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 1032d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 1033d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass LayerShader : public SkShader { 1034d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIpublic: 1035d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 1036d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III : INHERITED(localMatrix) 1037d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III , mLayer(layer) { 1038d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1039d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1040e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool asACustomShader(void** data) const override { 1041d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (data) { 1042d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III *data = static_cast<void*>(mLayer); 1043d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1044d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return true; 1045d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1046d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1047e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool isOpaque() const override { 1048d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return !mLayer->isBlend(); 1049d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1050d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1051d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprotected: 105264bb413a664001c95c8439cf097dc3033f4ed733Andreas Gampe virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 1053d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 1054d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1055d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1056e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void flatten(SkWriteBuffer&) const override { 1057d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 1058d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1059d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1060e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual Factory getFactory() const override { 1061d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 1062e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik return nullptr; 1063d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1064d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprivate: 1065d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // Unowned. 1066d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III Layer* mLayer; 1067d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III typedef SkShader INHERITED; 1068d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III}; 1069d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 10705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 10713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 10723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 10743f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 10753f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 10773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 10783f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10793f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 10803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 10813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 10823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 10843f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 10853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 10863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 1087d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 1088d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(&layerShader); 10893f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 10913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 10923f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 10933f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 10943f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1095e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik paint.setShader(nullptr); 10963f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 10973f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 10993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11029fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11039fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 110434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11059fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 111062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeLayerRegion"); 11113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // standard Region based draw 11123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik size_t count; 11133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* rects; 11143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Region safeRegion; 11153f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = layer->region.getArray(&count); 11173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = safeRegion.getArray(&count); 11203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float alpha = getLayerAlpha(layer); 11233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texX = 1.0f / float(layer->getWidth()); 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texY = 1.0f / float(layer->getHeight()); 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float height = rect.getHeight(); 11265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11273f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDraw(); 11288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11293f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // We must get (and therefore bind) the region mesh buffer 11303f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // after we setup drawing in case we need to mess with the 11313f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // stencil buffer in setupDraw() 11323f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex* mesh = mCaches.getRegionMesh(); 11333f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik uint32_t numQuads = 0; 11345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11353f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawWithTexture(); 11363f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColor(alpha, alpha, alpha, alpha); 11373f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilter(layer->getColorFilter()); 11383f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawBlending(layer); 11393f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawProgram(); 11403f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawDirtyRegionsDisabled(); 11413f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawPureColorUniforms(); 11423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilterUniforms(layer->getColorFilter()); 11433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawTexture(layer->getTexture()); 11443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (currentTransform()->isPureTranslate()) { 11453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 11463f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 11483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_NEAREST); 11493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_LINEAR); 11533f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rect.left, rect.top, rect.right, rect.bottom); 11553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11563f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 11575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11583f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik for (size_t i = 0; i < count; i++) { 11593f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* r = &rects[i]; 11603f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11613f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u1 = r->left * texX; 11623f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v1 = (height - r->top) * texY; 11633f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u2 = r->right * texX; 11643f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v2 = (height - r->bottom) * texY; 11655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11663f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // TODO: Reject quads outside of the clip 11673f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 11683f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 11693f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 11703f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 11713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads++; 11733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11743f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads >= gMaxNumberOfQuads) { 117534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 1176e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik GL_UNSIGNED_SHORT, nullptr)); 11773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads = 0; 11783f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik mesh = mCaches.getRegionMesh(); 11795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads > 0) { 11833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 1184e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik GL_UNSIGNED_SHORT, nullptr)); 11853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 11883f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik drawRegionRectsDebug(layer->region); 11895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 11905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->region.clear(); 11925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1195e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 11963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 11973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 11983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 121376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 121476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 121676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1219e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 122176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 123476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1239f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1242f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1248f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1250f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12511bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12521bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12531bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1255487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (bounds.intersect(mState.currentClipRect())) { 12561bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1265448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1266448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1267448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1268448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 12693380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1270e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, nullptr); 1271448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1272448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1273448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1274448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1275448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1276448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1277448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1278448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 127954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 128054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 128154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 128254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1283984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (!mState.currentlyIgnored()) { 128462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("clearLayerRegions"); 128554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 128654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 128754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 128854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 128954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 129054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 129154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 129265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik bool scissorChanged = mRenderState.scissor().setEnabled(false); 129354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1294448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 129554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 129654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 129754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 129851d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik const Rect& bounds = mLayers[i]; 129954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 130051d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik Vertex::set(vertex++, bounds.left, bounds.top); 130151d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik Vertex::set(vertex++, bounds.right, bounds.top); 130251d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik Vertex::set(vertex++, bounds.left, bounds.bottom); 130351d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik Vertex::set(vertex++, bounds.right, bounds.bottom); 130454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1305e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1306e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1307e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1308e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 130954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 131176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 131276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 131454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 131576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 131654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13184063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13194063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 132054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13214063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 132365fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik if (scissorChanged) mRenderState.scissor().setEnabled(true); 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 1325e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 132654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 132754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1329bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1330c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1331c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1332c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1333ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1334487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const Rect& currentClip = mState.currentClipRect(); 1335d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1336c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1337ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1338ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1339ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1340d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 134128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13425e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13435e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13445e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13455e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1346487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (!clippedBounds.intersect(currentClip)) { 1347ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1348ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1349ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 135028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1351a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1352487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (!currentClip.contains(state.mBounds)) { 135328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 135428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1355487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (currentClip.left > state.mBounds.left) flags |= kClipSide_Left; 1356487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (currentClip.top > state.mBounds.top) flags |= kClipSide_Top; 1357487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (currentClip.right < state.mBounds.right) flags |= kClipSide_Right; 1358487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (currentClip.bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 135928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 136028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1361ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1362d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1363d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1364d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1365487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk state.mBounds.set(currentClip); 1366c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1367ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1368ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1369527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1370527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1371487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk state.mClip.set(currentClip); 1372c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1373c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 13747273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 13757273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1376d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 13777273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1378d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1379deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1380deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1381deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1382c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1383c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1384c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1385527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 138614e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 1387984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->alpha = state.mAlpha; 138814e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1389984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->roundRectClipState = state.mRoundRectClipState; 1390ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1391527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 1392984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->setClip(state.mClip.left, state.mClip.top, 139328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1394ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1395ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1396c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1397c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 139828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 139928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 140028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 140128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 140228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 140328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 140428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 140528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 1406e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (clipRect != nullptr) { 1407984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 140828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 1409984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson writableSnapshot()->setClip(0, 0, mState.getWidth(), mState.getHeight()); 141028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1411527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 141265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik bool enableScissor = (clipRect != nullptr) || mScissorOptimizationDisabled; 141365fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(enableScissor); 1414527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1415527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1416c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1417f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1418f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1419f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1420bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1421487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect clip(mState.currentClipRect()); 1422e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14238f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 142465fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik if (mRenderState.scissor().set(clip.left, getViewportHeight() - clip.bottom, 14258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 1426984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.setDirtyClip(false); 14278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14289d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14299d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1435d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1442c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1443c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1444c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1445c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1446c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14478d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14483bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1450c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1451f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1455487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsukstatic void handlePoint(std::vector<Vertex>& rectangleVertices, const Matrix4& transform, 1456487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk float x, float y) { 1457487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Vertex v; 1458487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk v.x = x; 1459487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk v.y = y; 1460487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk transform.mapPoint(v.x, v.y); 1461487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk rectangleVertices.push_back(v); 1462487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk} 1463487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1464487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsukstatic void handlePointNoTransform(std::vector<Vertex>& rectangleVertices, float x, float y) { 1465487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Vertex v; 1466487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk v.x = x; 1467487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk v.y = y; 1468487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk rectangleVertices.push_back(v); 1469487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk} 1470487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1471487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsukvoid OpenGLRenderer::drawRectangleList(const RectangleList& rectangleList) { 1472487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk int count = rectangleList.getTransformedRectanglesCount(); 1473487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk std::vector<Vertex> rectangleVertices(count * 4); 1474487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect scissorBox = rectangleList.calculateBounds(); 1475487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk scissorBox.snapToPixelBoundaries(); 1476487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk for (int i = 0; i < count; ++i) { 1477487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const TransformedRectangle& tr(rectangleList.getTransformedRectangle(i)); 1478487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const Matrix4& transform = tr.getTransform(); 1479487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect bounds = tr.getBounds(); 1480487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (transform.rectToRect()) { 1481487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk transform.mapRect(bounds); 1482487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (!bounds.intersect(scissorBox)) { 1483487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk bounds.setEmpty(); 1484487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } else { 1485487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePointNoTransform(rectangleVertices, bounds.left, bounds.top); 1486487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePointNoTransform(rectangleVertices, bounds.right, bounds.top); 1487487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePointNoTransform(rectangleVertices, bounds.left, bounds.bottom); 1488487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePointNoTransform(rectangleVertices, bounds.right, bounds.bottom); 1489487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 1490487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } else { 1491487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePoint(rectangleVertices, transform, bounds.left, bounds.top); 1492487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePoint(rectangleVertices, transform, bounds.right, bounds.top); 1493487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePoint(rectangleVertices, transform, bounds.left, bounds.bottom); 1494487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk handlePoint(rectangleVertices, transform, bounds.right, bounds.bottom); 1495487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 1496487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 1497487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 149865fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().set(scissorBox.left, getViewportHeight() - scissorBox.bottom, 1499487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk scissorBox.getWidth(), scissorBox.getHeight()); 1500487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1501487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const SkPaint* paint = nullptr; 1502487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDraw(); 1503487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawNoTexture(); 1504487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawColor(0, 0xff * currentSnapshot()->alpha); 1505487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawShader(getShader(paint)); 1506487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawColorFilter(getColorFilter(paint)); 1507487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawBlending(paint); 1508487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawProgram(); 1509487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawDirtyRegionsDisabled(); 1510487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawModelView(kModelViewMode_Translate, false, 1511487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 0.0f, 0.0f, 0.0f, 0.0f, true); 1512487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawColorUniforms(getShader(paint)); 1513487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawShaderUniforms(getShader(paint)); 1514487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk setupDrawColorFilterUniforms(getColorFilter(paint)); 1515487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1516487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk issueIndexedQuadDraw(&rectangleVertices[0], rectangleVertices.size() / 4); 1517487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk} 1518487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 15198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 15208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1521487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (!currentSnapshot()->clipIsSimple()) { 1522487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk int incrementThreshold; 152362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - enabling"); 152462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 15258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 15268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 1527984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.setDirtyClip(false); 15288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1531487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const ClipArea& clipArea = currentSnapshot()->getClipArea(); 15328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1533487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk bool isRectangleList = clipArea.isRectangleList(); 1534487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (isRectangleList) { 1535487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk incrementThreshold = clipArea.getRectangleList().getTransformedRectanglesCount(); 1536487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } else { 1537487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk incrementThreshold = 0; 1538487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 1539487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1540487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk mCaches.stencil.enableWrite(incrementThreshold); 1541487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1542487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // Clean and update the stencil, but first make sure we restrict drawing 15438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 154465fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik bool resetScissor = mRenderState.scissor().setEnabled(true); 15458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 1549487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 15508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1551deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1552deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1553deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1554deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 15558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 155676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 155798d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik paint.setColor(SK_ColorBLACK); 155876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 155976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 1560487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (isRectangleList) { 1561487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk drawRectangleList(clipArea.getRectangleList()); 1562487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } else { 1563487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // NOTE: We could use the region contour path to generate a smaller mesh 1564487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // Since we are using the stencil we could use the red book path 1565487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // drawing technique. It might increase bandwidth usage though. 15668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1567487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // The last parameter is important: we are not drawing in the color buffer 1568487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // so we don't want to dirty the current layer, if any 1569487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk drawRegionRects(clipArea.getClipRegion(), paint, false); 1570487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 157165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik if (resetScissor) mRenderState.scissor().setEnabled(false); 1572deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1574487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk mCaches.stencil.enableTest(incrementThreshold); 15753ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15763ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15773ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 1578487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk // TODO: Implement for rectangle list clip areas 1579487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (mCaches.debugStencilClip == Caches::kStencilShowRegion && 1580487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk !clipArea.isRectangleList()) { 158176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 158276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 1583487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk drawRegionRects(currentSnapshot()->getClipRegion(), paint); 15843ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 158662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - disabling"); 15878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1592f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1593f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1594f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1595f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1596f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1597f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1598f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1599d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1600f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 16015e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1602f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1603cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1604f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1605f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1606f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1607f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1608cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1609cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1610deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1611deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1612984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.calculateQuickRejectForScissor(left, top, right, bottom, 1613deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1614dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1615dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1616dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1617f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik // not quick rejected, so enable the scissor if clipRequired 161865fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(mScissorOptimizationDisabled || clipRequired); 1619f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mSkipOutlineClip = !roundRectClipRequired; 162039a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1621c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1622c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 16238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1624735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1625f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 162676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 162776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 162876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 162976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 16308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 16328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1633735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1634f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::setupDraw(bool clearLayer) { 1639f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 16408a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 164162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) clearLayerRegions(); 16428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 16438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1644984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.getDirtyClip()) { 164565fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik if (mRenderState.scissor().isEnabled()) { 1646b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1647b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 164862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 1649adc0d9da8648abfea1035fb1108eceea9fd9b5b1Dohyun Lee setStencilFromClip(); 165070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16513ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 165270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16533ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 165470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 165570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 165870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16593ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16603ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16613ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16623ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16633ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16643ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 166570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 166670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 166770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 166870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 166970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 167070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 167170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1672ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1673ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1674ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1675ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1676ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1677ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1678aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1679aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1680aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1681aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 168215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1683ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 168415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 168515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 168691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikvoid OpenGLRenderer::setupDrawVertexAlpha(bool useShadowAlphaInterp) { 168791a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik mDescription.hasVertexAlpha = true; 168891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik mDescription.useShadowAlphaInterp = useShadowAlphaInterp; 16895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1693886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1694886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1695886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 169670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1697e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 169870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 170086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 170186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1702886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1703886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1704886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 170586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1706e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 170786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 170886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 17094121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 17104121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 17114121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 17124121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 171370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 171470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 171570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 171670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 171770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 171870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1719e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 172070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1722d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 1723e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (shader != nullptr) { 1724d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 172570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 172670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 1729e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (filter == nullptr) { 173076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 173176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 173276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 173376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 1734e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (filter->asColorMode(nullptr, &mode)) { 173576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 173676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 1737e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik } else if (filter->asColorMatrix(nullptr)) { 173876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 173970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 174070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1742f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1743f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1744f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1745f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 174654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1747f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1748f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1749f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 175076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 175176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1752f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1753f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1754f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1755d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 17568dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson bool blend = layer->isBlend() 17578dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || getLayerAlpha(layer) < 1.0f 17588dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || (mColorSet && mColorA < 1.0f) 17598dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || PaintUtils::isBlendedColorFilter(layer->getColorFilter()); 1760c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 176170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 176270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 176376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 176476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1765f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1766f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1767f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1768c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1769d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 17708dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson PaintUtils::isBlendedColorFilter(getColorFilter(paint)); 1771c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 177270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 177470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 177570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1776deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1777deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1778984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const RoundRectClipState* state = writableSnapshot()->roundRectClipState; 1779af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik const Rect& innerRect = state->innerRect; 1780deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1781af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.left, innerRect.top, 1782af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.right, innerRect.bottom); 1783deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1784deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 17854340c260c002f0cf7bc41571673e57913b5df19fChris Craik 17864340c260c002f0cf7bc41571673e57913b5df19fChris Craik // add half pixel to round out integer rect space to cover pixel centers 17874340c260c002f0cf7bc41571673e57913b5df19fChris Craik float roundedOutRadius = state->radius + 0.5f; 17884340c260c002f0cf7bc41571673e57913b5df19fChris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 17894340c260c002f0cf7bc41571673e57913b5df19fChris Craik roundedOutRadius); 1790deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 179170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 179370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 179470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 179570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17984063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1799e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 18004063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1801e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 180270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 18034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 180486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1805a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1806e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik mCaches.currentProgram->set(writableSnapshot()->getOrthoMatrix(), 1807e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik mModelViewMatrix, transformMatrix, offset); 1808a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1809a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1810a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1811a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1812a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1813a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 181486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 181570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 181670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1817d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 1818d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 181970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 182070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 182170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 18245536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 182586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 18265536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 18275536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 18285536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 1829d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 1830e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (shader == nullptr) { 1831d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return; 1832d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1833d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1834d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (ignoreTransform) { 1835d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 1836d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // because it was built into modelView / the geometry, and the description needs to 1837d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // compensate. 1838d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mat4 modelViewWithoutTransform; 1839d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 1840d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 1841d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 184270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1843d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1844d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 184570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 184776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 1848e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (nullptr == filter) { 184976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 185076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 185176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 185276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 185376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 185476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 185576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 185676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 185776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 185876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 185976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 186076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 186176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 186276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 186376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 186476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 186576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 186676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 186776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 186876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 186976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 187076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 187176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 187276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 187376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 187476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 187576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 187676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 187776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 187876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 187976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 188076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 188176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 188276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 188376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 188476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 188570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 188676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 188776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 188870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 188970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18904121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18914121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18924121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18934121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 189470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1895f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1896e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik mCaches.bindPositionVertexPointer(force, nullptr); 189715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 189870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 189970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 190070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1901257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 19022d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 190315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 190470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 190570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1906aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1907aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 19082d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 190915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1910aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1911aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 19128f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 19138f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 19148f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 19158f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 19168f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1917aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1918aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1919aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1920aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1921564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1922564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1923f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 19243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1925f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 192670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1927f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 192870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1929d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1930cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 193115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1932cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 193315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 193415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 193515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 193615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 193715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1938564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1939564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1940ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1941ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1942ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1943ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1944ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1945ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1946ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1947ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1948ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1949ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1950ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1951ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1952ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1953ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1954ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1955ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1956564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1957564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 196763d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 19683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1969cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 197015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1971cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19728d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 197370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 197470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1975448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1976f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 197763d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1978cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 198170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1982f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1983f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1984f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1985107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawRenderNode(RenderNode* renderNode, Rect& dirty, int32_t replayFlags) { 19860fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19870fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 1988a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (renderNode && renderNode->isRenderable()) { 1989f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1990a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->computeOrdering(); 1991d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 1992107843de4507b3511006cb9c77b8d0364374385aTom Hudson startFrame(); 1993ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1994a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->replay(replayStruct, 0); 1995107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 1996c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1997c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1998ef8d6f272ae451aaedb0f02249c0f9f0576efdf3Chris Craik // Don't avoid overdraw when visualizing, since that makes it harder to 1999ef8d6f272ae451aaedb0f02249c0f9f0576efdf3Chris Craik // debug where it's coming from, and when the problem occurs. 2000ef8d6f272ae451aaedb0f02249c0f9f0576efdf3Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw; 2001487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk DeferredDisplayList deferredList(mState.currentClipRect(), avoidOverdraw); 2002ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 2003a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->defer(deferStruct, 0); 200496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 200596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 2006107843de4507b3511006cb9c77b8d0364374385aTom Hudson startFrame(); 200796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 2008107843de4507b3511006cb9c77b8d0364374385aTom Hudson deferredList.flush(*this, dirty); 2009107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2010107843de4507b3511006cb9c77b8d0364374385aTom Hudson // Even if there is no drawing command(Ex: invisible), 2011107843de4507b3511006cb9c77b8d0364374385aTom Hudson // it still needs startFrame to clear buffer and start tiling. 2012107843de4507b3511006cb9c77b8d0364374385aTom Hudson startFrame(); 20130fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 20140fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 20150fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 2016e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, 2017e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const SkPaint* paint) { 2018a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 2019a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 2020a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2021886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2022886b275e529e44a59c54b933453d9bc902973178Romain Guy 2023a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 2024d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 2025d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2026d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 2027a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 2028a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2029886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 2030886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 203167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 20325b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 2033e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 20343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 20353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 2036886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 2037e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik paint, (GLvoid*) nullptr, (GLvoid*) gMeshTextureOffset, 20383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2039a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2040a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 204103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 204203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 204303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 204403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 204503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2046107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2047d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 2048d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 2049527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 205055b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2051107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 20523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2053527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2054527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2055527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 205667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 2057527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2058527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2059527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20601103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2061527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 206276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2065527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2066527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 206776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20684063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20694063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2070527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2071527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2072107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2073527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2074527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2075107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) { 2076796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2077107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 20786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2080a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2082107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 208322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 208422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20851103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2086796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2087a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2088796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2089886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2090486590963e2207d68eebd6944fec70d50d41116aChet Haase 2091107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2092e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2093e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2094107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2095d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2096984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (!vertices || mState.currentlyIgnored()) { 2097107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 20985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 20995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 210039a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 210165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 210239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2103b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2104b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2105b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2106b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2107b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2108a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2109b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 211051d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik std::unique_ptr<ColorTextureVertex[]> mesh(new ColorTextureVertex[count]); 211151d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik ColorTextureVertex* vertex = &mesh[0]; 2112ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 211351d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik std::unique_ptr<int[]> tempColors; 2114ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2115ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 211651d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik tempColors.reset(new int[colorsCount]); 211751d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik memset(tempColors.get(), 0xff, colorsCount * sizeof(int)); 211851d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik colors = tempColors.get(); 2119ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2120a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 2122ebd52610cfeff6e557fde284a7e1efc5e6438285John Reck Texture* texture = mRenderState.assetAtlas().getEntryTexture(bitmap); 21233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2145ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2146ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2147ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2149ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2150ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2151ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2152b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2153a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2154a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2155a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2156a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2160f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2161107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2162a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2163a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2164ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 2167107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 21683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2169ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2170a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2171a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2172a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 217367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2174a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2175a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2176a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2177a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2178a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2179ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2180ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2181a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2182d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2183b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2184b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2185ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2186ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2187ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 218876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 218976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2190ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2191ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 21924063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2193ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2194ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 219576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 21963380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2197ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2198ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2199ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2200ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2201ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2202ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2203ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2204ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2205107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 22065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 22075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2208107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 22098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 22108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2211d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2212f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2213107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 22146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2216a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2218107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 221922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2223c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2230c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 223103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2234d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2235d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2236886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2237886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2239886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2240886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2241886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2242886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2243d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2244886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2245b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2246d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2247d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2248d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2252886b275e529e44a59c54b933453d9bc902973178Romain Guy 2253886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2254886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2255886b275e529e44a59c54b933453d9bc902973178Romain Guy 225667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2257886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 225967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2260886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2261886b275e529e44a59c54b933453d9bc902973178Romain Guy 2262886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2264886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2265886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2266886b275e529e44a59c54b933453d9bc902973178Romain Guy 2267886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2268886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2269886b275e529e44a59c54b933453d9bc902973178Romain Guy 2270886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2271886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2272886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2273886b275e529e44a59c54b933453d9bc902973178Romain Guy 22741103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2275886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 227676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22773380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2278886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2279886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2280886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 228176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22823380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2283886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2284886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2285886b275e529e44a59c54b933453d9bc902973178Romain Guy 2286886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2287886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2291486590963e2207d68eebd6944fec70d50d41116aChet Haase 2292107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2293ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2294ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2295107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2296d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2297f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2298107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 22994c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 23004c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 2301ebd52610cfeff6e557fde284a7e1efc5e6438285John Reck AssetAtlas::Entry* entry = mRenderState.assetAtlas().getEntry(bitmap); 23024c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 23034c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 23044c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 2305107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2306be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2307be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2308107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2309d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2310d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2311f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2312107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 23136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2315211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2316a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2317a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2318107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 2319a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2321a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2322a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2323a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2324d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23268168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2327d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2328d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23318ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2332211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2333c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2334c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2335c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2337c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2338d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23434063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2344211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2345d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2346d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23504063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23514063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 235476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 235576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23564063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2358054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2359486590963e2207d68eebd6944fec70d50d41116aChet Haase 2360107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2361f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2362f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 236303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 236403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 236503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 236603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 236703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2368107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2369d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 237003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 237103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2372107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 237303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 237403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 237503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 237603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 237703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 237876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 237976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23804063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 238103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 2382107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 238303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 238403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 2385107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 2386bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik const VertexBuffer& vertexBuffer, const SkPaint* paint, int displayFlags) { 23874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23886d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2389bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 2390107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2391bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2392bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 23930d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik Rect bounds(vertexBuffer.getBounds()); 23940d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik bounds.translate(translateX, translateY); 239505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 239605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 239765cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 239865cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 239965cd612face362d054a85d0f7e5881c59cd523beChris Craik 2400710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2401710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 240291a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (isAA) setupDrawVertexAlpha((displayFlags & kVertexBuffer_ShadowInterp)); 2403984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson setupDrawColor(color, ((color >> 24) & 0xFF) * writableSnapshot()->alpha); 240476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2405d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 240676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2407710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 2408bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik setupDrawModelView(kModelViewMode_Translate, (displayFlags & kVertexBuffer_Offset), 2409bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik translateX, translateY, 0, 0); 2410d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 241176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2412d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2413858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 241455bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2415edaecc1db0584fa017822dfc2da0c968b53967e6Andreas Gampe mCaches.unbindMeshBuffer(); 2416cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2417710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 241863d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 2419710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2420710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2421710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2422710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2423710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24246ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24256ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2426710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 242805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 242905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 243063d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 243163d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 243205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 243350ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 2434e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, 2435e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik GL_UNSIGNED_SHORT, nullptr); 243605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 243763d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 2438e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, 2439e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik GL_UNSIGNED_SHORT, nullptr); 2440d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui } else if (mode == VertexBuffer::kIndices) { 2441d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui mCaches.unbindIndicesBuffer(); 2442e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik glDrawElements(GL_TRIANGLE_STRIP, vertexBuffer.getIndexCount(), 2443e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik GL_UNSIGNED_SHORT, vertexBuffer.getIndices()); 244463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2446710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24476ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 244804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 244965cd612face362d054a85d0f7e5881c59cd523beChris Craik 2450107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2451858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2452858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2453858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 245465cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 245865cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 245965cd612face362d054a85d0f7e5881c59cd523beChris Craik * 246065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 246199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2462107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 246365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 246465cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2465d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 2466107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawVertexBuffer(vertexBuffer, paint); 246765cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246965cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 247065cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 247165cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 247265cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247365cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 247465cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 247565cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 247665cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247765cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 247865cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 247965cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2480107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2481984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() || count < 4) return; 24827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248365cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248565cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 248605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 248705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2488d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 248905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2490107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2491d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2492d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2493bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2494107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawVertexBuffer(buffer, paint, displayFlags); 24955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2497107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2498984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() || count < 2) return; 2499ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25006d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 25017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 25026d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 250305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 25047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 250505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 250605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2507107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2508ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2509ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2510bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2511107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawVertexBuffer(buffer, paint, displayFlags); 2512107843de4507b3511006cb9c77b8d0364374385aTom Hudson 2513107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2514ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2515ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2516107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2517e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2518984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored()) return; 2519e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2520487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect clip(mState.currentClipRect()); 2521ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 252270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 252376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 252476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 252576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 252676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 252776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2528486590963e2207d68eebd6944fec70d50d41116aChet Haase 2529107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2530c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25319d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2532107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2533d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2534107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 253501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 253601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 253701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 253801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 253901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 254001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2541486590963e2207d68eebd6944fec70d50d41116aChet Haase 2542107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 254301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 254401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2545107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2546d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2547984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() 2548947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 25498dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || PaintUtils::paintWillNotDraw(*p)) { 2550107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2551710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 255201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2553e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (p->getPathEffect() != nullptr) { 2554710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2555c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2557107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawShape(left, top, texture, p); 2558107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2559107843de4507b3511006cb9c77b8d0364374385aTom Hudson const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect( 2560107843de4507b3511006cb9c77b8d0364374385aTom Hudson *currentTransform(), *p, right - left, bottom - top, rx, ry); 2561107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawVertexBuffer(left, top, *vertexBuffer, p); 2562710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2563c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 256401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2565107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2566984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() 2567947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(x - radius, y - radius, x + radius, y + radius, p) 25688dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || PaintUtils::paintWillNotDraw(*p)) { 2569107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2570710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2571e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (p->getPathEffect() != nullptr) { 2572710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2573c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2574107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawShape(x - radius, y - radius, texture, p); 2575cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2576107843de4507b3511006cb9c77b8d0364374385aTom Hudson SkPath path; 2577107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2578107843de4507b3511006cb9c77b8d0364374385aTom Hudson path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2579107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2580107843de4507b3511006cb9c77b8d0364374385aTom Hudson path.addCircle(x, y, radius); 2581107843de4507b3511006cb9c77b8d0364374385aTom Hudson } 2582107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawConvexPath(path, p); 2583cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2584c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 258501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2586107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2587d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2588984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() 2589947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 25908dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || PaintUtils::paintWillNotDraw(*p)) { 2591107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2592710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 259301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2594e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (p->getPathEffect() != nullptr) { 2595710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2596c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2597107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawShape(left, top, texture, p); 2598107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2599107843de4507b3511006cb9c77b8d0364374385aTom Hudson SkPath path; 2600107843de4507b3511006cb9c77b8d0364374385aTom Hudson SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2601107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2602107843de4507b3511006cb9c77b8d0364374385aTom Hudson rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2603107843de4507b3511006cb9c77b8d0364374385aTom Hudson } 2604107843de4507b3511006cb9c77b8d0364374385aTom Hudson path.addOval(rect); 2605107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawConvexPath(path, p); 2606cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2607c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2608c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2609107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2610d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2611984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() 2612947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 26138dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || PaintUtils::paintWillNotDraw(*p)) { 2614107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2615780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 26168b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2617780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 2618e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != nullptr || useCenter) { 2619780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2620c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2621780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2622107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawShape(left, top, texture, p); 2623107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2624780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2625780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2626780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2627780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2628780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2629780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2630780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2631780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2632780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2633780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2634780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2635780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2636780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2637780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2638107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawConvexPath(path, p); 26398b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26408b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2641cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2642cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2643cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2644107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2645d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2646984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored() 2647947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 26488dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson || PaintUtils::paintWillNotDraw(*p)) { 2649107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 26506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2652710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2653cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2654e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (p->getPathEffect() != nullptr || p->getStrokeJoin() != SkPaint::kMiter_Join || 2655cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2656cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2657cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2658c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2659107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawShape(left, top, texture, p); 2660107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2661107843de4507b3511006cb9c77b8d0364374385aTom Hudson SkPath path; 2662107843de4507b3511006cb9c77b8d0364374385aTom Hudson SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2663107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2664107843de4507b3511006cb9c77b8d0364374385aTom Hudson rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2665107843de4507b3511006cb9c77b8d0364374385aTom Hudson } 2666107843de4507b3511006cb9c77b8d0364374385aTom Hudson path.addRect(rect); 2667107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawConvexPath(path, p); 2668cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2669107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2670107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2671107843de4507b3511006cb9c77b8d0364374385aTom Hudson SkPath path; 2672107843de4507b3511006cb9c77b8d0364374385aTom Hudson path.addRect(left, top, right, bottom); 2673107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawConvexPath(path, p); 2674107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 2675107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawColorRect(left, top, right, bottom, p); 2676cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2677107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2678cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2679858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2680c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26819d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2682d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2683d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 268476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2685416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2686416a847633680d94efb926837efdc18726d54918Raph Levien 2687c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2688c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2689c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2690c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2691c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2692416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2693416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2694416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2695416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2696c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2697cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2698cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2699cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2700416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2701416a847633680d94efb926837efdc18726d54918Raph Levien 2702c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2703c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2704416a847633680d94efb926837efdc18726d54918Raph Levien 2705984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * writableSnapshot()->alpha; 2706d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 2707c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2708416a847633680d94efb926837efdc18726d54918Raph Levien } 2709416a847633680d94efb926837efdc18726d54918Raph Levien 2710416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2711416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2712c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 271376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2714d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 271576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2716416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 27174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 27184063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2719416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2720416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 272176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2722d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2723e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik setupDrawMesh(nullptr, (GLvoid*) gMeshTextureOffset); 2724416a847633680d94efb926837efdc18726d54918Raph Levien 2725416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2726416a847633680d94efb926837efdc18726d54918Raph Levien} 2727416a847633680d94efb926837efdc18726d54918Raph Levien 2728768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2729984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * currentSnapshot()->alpha; 27308dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson return MathUtils::isZero(alpha) 27318dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson && PaintUtils::getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2732768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2733768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2734107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2735d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2736e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (text == nullptr || count == 0 || mState.currentlyIgnored() || canSkipText(paint)) { 2737107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2738eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2739eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2740671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2741d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2742107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 2743671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2744671d6cf460531825a321edb200523d0faa7792c9Romain Guy 274565fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 274639a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2747671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2748671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2749d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2750671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2751d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2752d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2753671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2754671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2755b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 275659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2759671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2760671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2761671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2762c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2763e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 276476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2765416a847633680d94efb926837efdc18726d54918Raph Levien } 2766416a847633680d94efb926837efdc18726d54918Raph Levien 2767671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2768d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2769671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2770671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2771671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2772257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2773671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2774487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const Rect& clip(pureTranslate ? writableSnapshot()->getClipRect() : writableSnapshot()->getLocalClip()); 2775671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2776671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2777211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2778671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27791e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2780487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk if (fontRenderer.renderPosText(paint, &clip, text, 0, bytesCount, count, x, y, 2781e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik positions, hasActiveLayer ? &bounds : nullptr, &functor)) { 2782671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2783671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2784d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2785671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2786671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2787671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2788671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2789486590963e2207d68eebd6944fec70d50d41116aChet Haase 2790107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2791eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2792eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 279359744b79ec302000802cd56d30a1bf70f0183c80Chris Craikbool OpenGLRenderer::findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const { 2794624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 279559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 279659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return false; 279759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } else if (CC_UNLIKELY(transform.isPerspective())) { 279859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 279959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return true; 280059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } 280159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 280259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik /** 2803a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * Input is a non-perspective, scaling transform. Generate a scale-only transform, 2804a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * with values rounded to the nearest int. 280559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik */ 280659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float sx, sy; 280759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik transform.decomposeScale(sx, sy); 2808a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik outMatrix->setScale( 2809a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sx)), 2810a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sy))); 2811a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik return true; 2812624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2813624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2814984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonint OpenGLRenderer::getSaveCount() const { 2815984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.getSaveCount(); 2816984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2817984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2818984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonint OpenGLRenderer::save(int flags) { 2819984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.save(flags); 2820984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2821984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2822984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::restore() { 2823984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.restore(); 2824984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2825984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2826984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::restoreToCount(int saveCount) { 2827984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.restoreToCount(saveCount); 2828984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2829984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2830984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::translate(float dx, float dy, float dz) { 2831984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.translate(dx, dy, dz); 2832984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2833984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2834984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::rotate(float degrees) { 2835984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.rotate(degrees); 2836984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2837984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2838984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::scale(float sx, float sy) { 2839984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.scale(sx, sy); 2840984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2841984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2842984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::skew(float sx, float sy) { 2843984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.skew(sx, sy); 2844984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2845984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2846984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::setMatrix(const Matrix4& matrix) { 2847984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.setMatrix(matrix); 2848984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2849984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2850984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::concatMatrix(const Matrix4& matrix) { 2851984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.concatMatrix(matrix); 2852984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2853984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2854984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonbool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 2855984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.clipRect(left, top, right, bottom, op); 2856984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2857984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2858984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonbool OpenGLRenderer::clipPath(const SkPath* path, SkRegion::Op op) { 2859984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.clipPath(path, op); 2860984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2861984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2862984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonbool OpenGLRenderer::clipRegion(const SkRegion* region, SkRegion::Op op) { 2863984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.clipRegion(region, op); 2864984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2865984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2866984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::setClippingOutline(LinearAllocator& allocator, const Outline* outline) { 2867984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.setClippingOutline(allocator, outline); 2868984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2869984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2870984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonvoid OpenGLRenderer::setClippingRoundRect(LinearAllocator& allocator, 2871984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const Rect& rect, float radius, bool highPriority) { 2872984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson mState.setClippingRoundRect(allocator, rect, radius, highPriority); 2873984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson} 2874984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2875984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2876984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 2877107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2878d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2879527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2880527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2881527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 288228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 288328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2884e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (text == nullptr || count == 0 || mState.currentlyIgnored() || canSkipText(paint) || 2885f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 2886107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 288728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2888cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2889cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28903a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28913a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2892624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2893d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2894624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2895c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2896211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2897624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2898624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 29006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 290186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 290286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 290386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29049d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2905c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2906c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2907c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 290859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2909c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 291076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 29111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 29121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 291319d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 291419d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2915624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2916624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2917624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2918624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2919624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2920624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2921624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2922624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2923624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2924624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2925624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 292659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik SkMatrix fontTransform; 292759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool linearFilter = findBestFontTransform(transform, &fontTransform) 292859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(y - (int) y) > 0.0f 292959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(x - (int) x) > 0.0f; 29303b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2931257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 293206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2933624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2934487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const Rect* clip = !pureTranslate ? nullptr : &mState.currentClipRect(); 293541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 29365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2937996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 29381e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2939527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2940527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2941527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2942a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 29438b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 29448b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 29458b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2946e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik positions, hasActiveLayer ? &layerBounds : nullptr, &functor, forceFinish); 2947996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 29488b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2949e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik positions, hasActiveLayer ? &layerBounds : nullptr, &functor, forceFinish); 2950996e57c84368058be793897ebc355b917a59abc2Raph Levien } 29514ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2952527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2953624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 295441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2955a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 295641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 29575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2958694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2959e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2960486590963e2207d68eebd6944fec70d50d41116aChet Haase 2961107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2962694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2963694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2964107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2965d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2966e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (text == nullptr || count == 0 || mState.currentlyIgnored() || canSkipText(paint)) { 2967107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 296803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 296903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 297039a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 297165fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 297239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2973b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 297459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2975257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 297603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 297703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 297803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 297903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29801e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 29819777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 2982984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const Rect* clip = &writableSnapshot()->getLocalClip(); 29839777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 298403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29859777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29869777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29879777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 2988e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik hOffset, vOffset, hasActiveLayer ? &bounds : nullptr, &functor)) { 29899777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2990d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29919777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29929777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29939777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2994486590963e2207d68eebd6944fec70d50d41116aChet Haase 2995107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 2996325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2997325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2998107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2999984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored()) return; 3000dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 3001a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30027fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3003fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 3004107843de4507b3511006cb9c77b8d0364374385aTom Hudson if (!texture) return; 300522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 30067fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 30078b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 30088b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 30098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 301001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 3011107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 30127fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 30137fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3014107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 301535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 3016107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 30176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 30186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3019e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik mat4* transform = nullptr; 3020b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 3021b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 3022b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 30233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 302414e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 3025b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3026b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3027b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 302839a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 3029e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const bool rejected = mState.calculateQuickRejectForScissor( 3030e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 3031e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik &clipRequired, nullptr, false); 30324ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 303335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 3034b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3035b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3036b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3037107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 303835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 303935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 304062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("drawLayer," RECT_STRING ", clipRequired %d", x, y, 304162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), clipRequired); 304262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 30435bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 30442bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 304565fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(mScissorOptimizationDisabled || clipRequired); 3046a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30476c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3048211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 3049c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 305034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 305134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 3052c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 305376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 305416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 3055c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 3056c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 30578168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 305876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 305976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 3060c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 3061c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 306276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 30639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 3064d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3065d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 3066d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 30679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3068d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 30694063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 30704ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 30719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3072d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 30734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 30749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 30759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3076c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3077448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3078448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3079448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3080448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3081448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3082448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 30833380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 3084448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3085e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, nullptr)); 3086448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3087448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3088448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3089448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3090448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3091448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3092c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3094e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3096c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30974ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30985bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30995bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 310076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 310176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 310276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 310376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 31044ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3105f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 310634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3107486590963e2207d68eebd6944fec70d50d41116aChet Haase 3108b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3109b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3110b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3111b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3112107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 31136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 31146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 31156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 31165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 31175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 311809c2d4fe15fbac2faf8a97ba2cc59132ee12222aDerek Sollenbergervoid OpenGLRenderer::setDrawFilter(SkDrawFilter* filter) { 311909c2d4fe15fbac2faf8a97ba2cc59132ee12222aDerek Sollenberger // We should never get here since we apply the draw filter when stashing 312009c2d4fe15fbac2faf8a97ba2cc59132ee12222aDerek Sollenberger // the paints in the DisplayList. 312109c2d4fe15fbac2faf8a97ba2cc59132ee12222aDerek Sollenberger LOG_ALWAYS_FATAL("OpenGLRenderer does not directly support DrawFilters"); 31225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 31256926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 31266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 31276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3128d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 3129ebd52610cfeff6e557fde284a7e1efc5e6438285John Reck Texture* texture = mRenderState.assetAtlas().getEntryTexture(bitmap); 31303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 31313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 31323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 31333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 31343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 31353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 313601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3137d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3138f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 313901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 314001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 314101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 314201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 314301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 314401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 314501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 314601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 314701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 314801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 314976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3150d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 315176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 315201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 31534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 31544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 315501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 315601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 315776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3158d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 3159e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik setupDrawMesh(nullptr, (GLvoid*) gMeshTextureOffset); 316001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 316101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 316201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 316301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3164f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3169d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3170d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3174726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3176211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3177726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3178f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31808b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3182e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3183f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3184f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3185f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3186f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3187f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3188e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3189e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3193e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3194e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3195e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3196e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 32000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3201e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3202e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3203e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3204e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 32050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3206e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3207726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3208e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3209726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 32100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 32110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 32120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 32130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3214107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3215984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored()) { 3216107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 3217672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3218672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3219107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawColorRects(rects, count, paint, false, true, true); 3220735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3221735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3222107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawShadow(float casterAlpha, 322305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3224984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentlyIgnored()) return; 3225f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 322615a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 322765fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(true); 3228f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3229f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3230ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3231f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 323214a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui // The caller has made sure casterAlpha > 0. 323314a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui float ambientShadowAlpha = mAmbientShadowAlpha; 323414a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (CC_UNLIKELY(mCaches.propertyAmbientShadowStrength >= 0)) { 323514a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui ambientShadowAlpha = mCaches.propertyAmbientShadowStrength; 323614a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui } 323714a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 323814a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui paint.setARGB(casterAlpha * ambientShadowAlpha, 0, 0, 0); 323991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint, kVertexBuffer_ShadowInterp); 3240ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3241ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 324214a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui float spotShadowAlpha = mSpotShadowAlpha; 324314a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (CC_UNLIKELY(mCaches.propertySpotShadowStrength >= 0)) { 324414a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui spotShadowAlpha = mCaches.propertySpotShadowStrength; 324514a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui } 324614a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 324714a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui paint.setARGB(casterAlpha * spotShadowAlpha, 0, 0, 0); 324891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint, kVertexBuffer_ShadowInterp); 3249ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 32507b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 3251107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty=true; 3252f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3253f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3254107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 325576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32563b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 3257107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 32583b753829ae858d424fe109f714745379a6daf455Romain Guy } 3259735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 326076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 326176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 3262d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 326376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 326476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 326576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3266672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3267672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3268672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3269672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3270672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3271448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3272672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3273672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32742af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3275672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3276672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3277672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3278672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3279672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32803b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32813b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32823b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32833b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3284672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32853b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32863b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32873b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32883b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3289672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3290672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3291f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3292107843de4507b3511006cb9c77b8d0364374385aTom Hudson return; 3293a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3294672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3295672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3296672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3297d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3298d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 329976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 330076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3301672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3302672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 33034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 33044063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3305d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3306d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 330776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3308672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3311672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3312672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3314672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3315107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 3316672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3317672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3318026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 331976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 332076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3321d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3322d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 3323d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3324d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3325d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 332670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 332715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3328d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3329d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 333076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 333176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 333270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 33334063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 33344063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 3335d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3336d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 333776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 333870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3339c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3340c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3341c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3342c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 334382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3344d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3345d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 33468164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 3347e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik GLvoid* vertices = (GLvoid*) nullptr; 33483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 33493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33513380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 33523380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 33533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3360d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3361d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3362d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3364d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 336676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 336967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 337076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 337785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 337885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3379f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 338076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33816820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33848694230ff25fa0a60e480d424843e56b718f0516Romain Guy 338576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 338676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 338776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 338876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 338976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 339070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 339170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 339270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 339376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 339476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 339570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3396886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3398886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 339986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 340076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 340170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3402db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 34036820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 340482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 340582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 34063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 340776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 34083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34094063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 34104063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 34113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 341276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 341376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 341476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 341576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 341676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 34173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 342076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 342176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 34223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 34233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34244063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 34253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 34263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 342776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 34283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 34293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3430e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, nullptr); 34313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 34323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3433886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 343476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3435886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34364063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3437886b275e529e44a59c54b933453d9bc902973178Romain Guy 3438e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik int color = paint != nullptr ? paint->getColor() : 0; 343976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 344076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 344176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 344276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3443886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3444886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3445e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (paint != nullptr) { 3446886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3447886b275e529e44a59c54b933453d9bc902973178Romain Guy } 344876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3449d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 345076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3451886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3452886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3454886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3455886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 345676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3457d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3458886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3459886b275e529e44a59c54b933453d9bc902973178Romain Guy 3460886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3461886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3462886b275e529e44a59c54b933453d9bc902973178Romain Guy 3463a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3464f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3465deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3466e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (writableSnapshot()->roundRectClipState != nullptr /*&& !mSkipOutlineClip*/) { 3467deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3468deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3469deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3470deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3471deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 347282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3473c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 347482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 347582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 347682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 347782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 347882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 347982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 348033fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34813bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3482a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3483f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3484a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 348582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 348682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 348782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 348882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 348982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 349082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 349182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 349282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3493a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 349482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 349582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 349682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 349782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 349882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 349982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 350082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 350182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 350282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 350382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 350482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 350582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 350682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 350782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3508fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 350982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 351082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3511fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3512bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3513bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3514889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3515d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3516e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik if (mCaches.currentProgram != nullptr) mCaches.currentProgram->remove(); 3517d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3518fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 35196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3520260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 35216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3522260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3523260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3524026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3525ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 352682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 352782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 352882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 352982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 35308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 35318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3532e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, 3533e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik SkXfermode::Mode* mode) const { 3534be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 353516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 353616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 353787b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 353816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3539d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3540026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3541026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 354276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 354316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 354416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 354516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 354616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 354716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 354816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3549d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 355016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 355116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35529d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3553e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3554