OpenGLRenderer.cpp revision 591be6c7af512a7dbae5a7f0cc9890b82af74e58
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2498d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik#include <SkColor.h> 25d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include <SkShader.h> 26694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy 285cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 29e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 3085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 36c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 38405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy#include "Fence.h" 393b20251a355c88193c439f928a84ae69483fb488John Reck#include "RenderState.h" 4065cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 4187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 4255bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "ShadowTessellator.h" 43d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include "SkiaShader.h" 44e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik#include "utils/GLUtils.h" 45a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 4655bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "VertexBuffer.h" 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 4862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 4962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik #define EVENT_LOGD(...) eventMarkDEBUG(__VA_ARGS__) 5062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#else 5162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik #define EVENT_LOGD(...) 5262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 5362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 54e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 559d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5767862524056ee2e73a94395139bb8bd0ec1ef38aChris Craikstatic GLenum getFilter(const SkPaint* paint) { 5867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) { 5967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_LINEAR; 6067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik } 6167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_NEAREST; 6267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik} 63d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 649d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 659d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 669d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 679d5316e3f56d138504565ff311145ac01621dff4Romain Guy 68889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 69889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 70889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 71889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 72889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 73889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 74889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 75889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 76889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 77026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 79026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 862ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 882ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 93d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 95026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 96e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 9787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 9887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 9987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 100f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1072ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1082ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1092ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1112ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1122ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1132ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 114d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1152ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 116f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 117f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 118f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 119448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 120448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 121448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 122448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 123448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 124448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 125448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 126448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 127448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 128f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 129f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 130f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1313b20251a355c88193c439f928a84ae69483fb488John ReckOpenGLRenderer::OpenGLRenderer(RenderState& renderState) 132058fc640017c90120c599d378a4cbc55668b05b7Chris Craik : mFrameStarted(false) 133058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCaches(Caches::getInstance()) 1343b20251a355c88193c439f928a84ae69483fb488John Reck , mExtensions(Extensions::getInstance()) 135058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mRenderState(renderState) 136058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mScissorOptimizationDisabled(false) 137058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCountOverdraw(false) 1381aa5d2d7068147ff781cfe911a93f01593a68c79John Reck , mLightCenter((Vector3){FLT_MIN, FLT_MIN, FLT_MIN}) 139058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mLightRadius(FLT_MIN) 140058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mAmbientShadowAlpha(0) 141058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mSpotShadowAlpha(0) { 142527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 143527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 14416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 145026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 146ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 147e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 148e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 14985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 15029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 15129d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 152e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 153e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 15587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 15687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 15787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 15887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 15987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 16087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 16187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 16287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 16313631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 16413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 165058fc640017c90120c599d378a4cbc55668b05b7Chris Craikvoid OpenGLRenderer::initLight(const Vector3& lightCenter, float lightRadius, 166058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 167058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightCenter = lightCenter; 168058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightRadius = lightRadius; 169058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mAmbientShadowAlpha = ambientShadowAlpha; 170058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mSpotShadowAlpha = spotShadowAlpha; 171058fc640017c90120c599d378a4cbc55668b05b7Chris Craik} 172058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 17313631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 174f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 175f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 177797b95b26bbb7557678af78b9a2a61830158920fChris Craikvoid OpenGLRenderer::onViewportInitialized() { 17835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 17935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 18035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 18235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 18335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 185c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 186fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 18769e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik initializeSaveStack(left, top, right, bottom, mLightCenter); 18896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1895f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 19096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 191ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 19396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 19496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 19511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 19696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 19796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 19896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 19945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 2003b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getWidth(), getHeight()); 2017d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 20654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 207d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 2082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 21196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 21296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 21396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 21496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 21596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 21696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 21778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 21896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 21996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 22196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 22296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 22396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 224d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 22796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 22896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 22996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2327c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2337c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 234dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 235dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 236dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 237dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2383bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 23914e513058ed4168c94e015638d16f5f87fd8063aChris Craik left <= 0.0f && top <= 0.0f && right >= getWidth() && bottom >= getHeight()) { 240f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 241f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 242f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 243f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 244dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 245dcfc836b457a87881da409e1acf251515f121446Romain Guy } 246dcfc836b457a87881da409e1acf251515f121446Romain Guy} 247dcfc836b457a87881da409e1acf251515f121446Romain Guy 2487c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 24978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 250586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 251a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(left, getViewportHeight() - bottom, right - left, bottom - top); 2526b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 25344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 254ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 25544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2567c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 25744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 258ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 259ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 260ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 261ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 262ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 263ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 264ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2656b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 266bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 26833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTilingCurrentClip(bool opaque, bool expand) { 26954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 270d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 271d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 27214e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 273d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 274d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 27554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 27654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 27733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTiling(*clip, getViewportHeight(), opaque, expand); 278c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 279c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 280c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 28133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque, bool expand) { 282c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 28333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen if(expand) { 28433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 28533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int leftNotZero = (clip.left > 0) ? 1 : 0; 28633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int topNotZero = (windowHeight - clip.bottom > 0) ? 1 : 0; 28733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen 28833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling( 28933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.left - leftNotZero, 29033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen windowHeight - clip.bottom - topNotZero, 29133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.right - clip.left + leftNotZero + 1, 29233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.bottom - clip.top + topNotZero + 1, 29333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen opaque); 29433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } else { 29533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling(clip.left, windowHeight - clip.bottom, 29652036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 29733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } 2982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2992b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3012b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 30254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 3032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 305b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 3067c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3072b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 309ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 310ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 311ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 312ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 31305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik mCaches.tessellationCache.trim(); 314ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 315ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 31611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 317b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 318e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik GLUtils::dumpGLErrors(); 319b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 32011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 321c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 322e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 32311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 32411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 32511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 32611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 327c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 32811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 32996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 33078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 33178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 33278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 33378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 33496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 335b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 336b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 33735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 3383b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 3393b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(currentSnapshot()->fbo); 3407c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 34135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 34235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 34335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 34435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 34535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3468f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 347d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 348408eb12631376cbdc96803e918decf6ea804d346Chris Craik 349d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 35080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 35180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 352d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 353d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 354d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 355d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 356d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 357d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 35808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 35908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 36008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 36108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 36208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 36308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 364a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.width = getViewportWidth(); 365a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.height = getViewportHeight(); 366d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 36780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3683b20251a355c88193c439f928a84ae69483fb488John Reck bool prevDirtyClip = mDirtyClip; 36954f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 37054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 37154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 37254f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 3733b20251a355c88193c439f928a84ae69483fb488John Reck if (mCaches.enableScissor() || prevDirtyClip) { 37425d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 37525d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 37654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 3773b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.invokeFunctor(functor, DrawGlInfo::kModeDraw, &info); 3783b20251a355c88193c439f928a84ae69483fb488John Reck // Scissor may have been modified, reset dirty clip 3793b20251a355c88193c439f928a84ae69483fb488John Reck dirtyClip(); 380cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 381750ca6dbdb259aea0ca5b77380a9303e586ef3eaJohn Reck return DrawGlInfo::kStatusDrew; 382daf98e941e140e8739458126640183b9f296a2abChet Haase} 383daf98e941e140e8739458126640183b9f296a2abChet Haase 384f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 38587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 38687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 38787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 38862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::eventMarkDEBUG(const char* fmt, ...) const { 38962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 39062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik const int BUFFER_SIZE = 256; 39162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_list ap; 39262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik char buf[BUFFER_SIZE]; 39362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 39462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_start(ap, fmt); 39562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik vsnprintf(buf, BUFFER_SIZE, fmt, ap); 39662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_end(ap); 39762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 39862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik eventMark(buf); 39962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 40062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik} 40162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 4030f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4040f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4050f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4060f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 40787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 40887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 40987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 41287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 41387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 4163b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.debugOverdraw(enable, clear); 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 4215f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 424a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(clip->left, firstSnapshot()->getViewportHeight() - clip->bottom, 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 42687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 427627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 42887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 429627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 430627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 431627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 433627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 434627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 435627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 43687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 437627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 438627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 439627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 44087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 441627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 442627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 44387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 44487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 44587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 44687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 44778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 44814e513058ed4168c94e015638d16f5f87fd8063aChris Craik size_t count = getWidth() * getHeight(); 44978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 45014e513058ed4168c94e015638d16f5f87fd8063aChris Craik glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 45178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 45278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 45378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 45478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 45578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 45678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 45778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 45878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 45978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 46078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 46178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 46311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 46411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 46511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 467a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (layer->deferredUpdateScheduled && layer->renderer 468a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik && layer->renderNode.get() && layer->renderNode->isRenderable()) { 469405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 470405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 47111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 47211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4737c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4747c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4757c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4767c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 47969e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik layer->render(*this); 48096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 48169e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik layer->defer(*this); 48296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 48311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 48511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 486d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4895bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 49034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 49996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 50096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 50196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 50496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 50596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 50696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 50796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 50896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5101206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5111206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 51496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 51596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 51696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 52096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5213b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 52296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 52496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 52696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 52796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 52896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 52996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 53096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 53196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 53296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 5331206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5341206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 53596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 53602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 53702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 538405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 53902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 54002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 541405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 542405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 54302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 54402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 54596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 54696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 54796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 54896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5493b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 55096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 55111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 55211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 55702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 55802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 55902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 56002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 56102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 56202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 56302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 56402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 56502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 56611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 56711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 56811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 571e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 572e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 573e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 574e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 575e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 576e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 577e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 578e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 579e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 580e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 581e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 582e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 58311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 58411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 58511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 58611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 58711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 58811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 58911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 59111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 595405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 596a7c2ea20c43ab797bef5801530687e22e83def8fJohn Reck ATRACE_CALL(); 597405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 598405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 599405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 600405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 601405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 602405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 603405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 604443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reckvoid OpenGLRenderer::markLayersAsBuildLayers() { 605443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck for (size_t i = 0; i < mLayerUpdates.size(); i++) { 606443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck mLayerUpdates[i]->wasBuildLayered = true; 607443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck } 608443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck} 609443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck 61011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 611f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 612f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 613f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 61414e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 615a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bool restoreViewport = removed.flags & Snapshot::kFlagIsFboLayer; 61614e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 61714e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 618bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 619a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (restoreViewport) { 6203b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6232542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 624746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6258fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6262542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6275ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6287273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 6297273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 63014e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 6317273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 6325ec9924d24495822b589f1a17996655d66273b30Romain Guy } 633d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6345cbbce535744b89df5ecea95de21ee3733298260Romain Guy 635f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 636bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 637bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 638bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 639bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6403f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 641eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 642d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 643d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 6443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik createLayer(left, top, right, bottom, paint, flags, convexMask); 645dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 646d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 647d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 648bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 649bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 650d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 651d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 652d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 653d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 654d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 655d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 656d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 657d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 658d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 659d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 660d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 661d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 662d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 663924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik const Snapshot& previous = *(currentSnapshot()->previous); 664924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik Rect previousViewport(0, 0, previous.getViewportWidth(), previous.getViewportHeight()); 665924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik if (!bounds.intersect(previousViewport)) { 666d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 667d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 668d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 669d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 670d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 671d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 672d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 673d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 674d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 675d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 676d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 677d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 678d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 679d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 680d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 681d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 682d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 683d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 684d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 685408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 686408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 687408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 688408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 689408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 690408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 691408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 69274cf7e6a25c6d7b331c231b7bc2512044f9d2950Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= 0 && fboLayer); 693408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 694408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 695408eb12631376cbdc96803e918decf6ea804d346Chris Craik 696d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 697d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 698d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 699d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 700d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 701d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 702d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 703d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 704d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 705d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 706d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 707d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 708d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 709d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 710d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 711d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 712d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 713a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 714deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 715d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 716d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 717d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 718d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 719d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 720d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 7211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 7221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 7231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 7241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 7251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 7261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 7271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 7281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 7301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 7311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 7321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 7331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 7341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 7351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 7361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 7386b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 7396b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 7406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 7416b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 7421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 7441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 7451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 74687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 7471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 7481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 7491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 76687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 76787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 76887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 76987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 77087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 772d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 7733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 774eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 775fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 776dda570201ac851dd85af3861f7e575721d3345daRomain Guy 777eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 778eb99356a0548684a501766e6a524529ab93304c8Romain Guy 779f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 780d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7818aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 782d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 783674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, getAlphaDirect(paint)); 784dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 785dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 786d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 787b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 788b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 789dda570201ac851dd85af3861f7e575721d3345daRomain Guy 790a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7913b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = mCaches.layerCache.get(mRenderState, bounds.getWidth(), bounds.getHeight()); 792f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 793f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 794bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 795bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 796674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger layer->setPaint(paint); 7978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 800d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 801a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 8027c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 8033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(convexMask); // note: the mask must be cleared before returning to the cache 804dda570201ac851dd85af3861f7e575721d3345daRomain Guy 8058fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 806d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 807d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 8081d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8097273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 810eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 811e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 812eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 813eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 815514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 8169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 817b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 818b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 819b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 820b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 821b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 822b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 8239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 824514fb18827186591d66973c2362c859b64b63556Romain Guy } 8257b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 826a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 827a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.left, getViewportHeight() - bounds.bottom, 828a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.getWidth(), bounds.getHeight()); 829b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 83054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 83154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 832ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 833eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 834f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 835d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 836bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 837bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 838e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 839c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 842d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 843a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer; 844d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 845d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 846d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 847a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 848deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8502b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8517c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8533b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(layer->getFbo()); 8549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8580908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 8599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 86533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 86633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTilingCurrentClip(true, true); 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 869586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8708f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8773b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(bounds.getWidth(), bounds.getHeight()); 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 88414e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 88514e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8863762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 89014e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 89214e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 893eb99356a0548684a501766e6a524529ab93304c8Romain Guy 89439a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 895f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 896deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, NULL, false); // safely ignore return, should never be rejected 89739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 89839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 899eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9012b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 902e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 903e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 9048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 9068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 907eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 9083b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(restored.fbo); 9097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 9102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 911d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 912eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 913eb99356a0548684a501766e6a524529ab93304c8Romain Guy 9149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 91576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 91676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 91776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 91876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 91976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 92076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 9215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 9229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 923f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 924f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 92503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 9268b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 927a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 931eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 93214e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 936a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 937a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 938a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 939a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 940a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 942a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 943eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 945746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 946746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 947eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(NULL); 9498550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9501d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 951603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9531d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 955aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9562458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 957aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 958aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 965aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 96676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 96776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 968aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 969aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 97076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9738f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 976d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9779757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 978ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 979ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 980d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 981d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 983d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9844063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9854063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 987d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9894063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9923380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 993aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 994aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 995aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 996aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 99862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (layer->isTextureLayer()) { 99962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeTextureLayerRect"); 100062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 100162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik drawTextureLayer(layer, rect); 100262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 100362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 100462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeHardwareLayerRect"); 1005aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1006aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1007aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 10085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 10109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 1011d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 1012ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1013b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1014b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1015b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 10169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 10179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 1018d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1019d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1022d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 10239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1024d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 102776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 102876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 102976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 103076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 103176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 103276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 103476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10353380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1038aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1039aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 104234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 104334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 104434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 104534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 104634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 104734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 104834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 104934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 105134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 105234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 105434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 105534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 105634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 105734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 105834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 1059d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 1060d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 1061d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass LayerShader : public SkShader { 1062d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIpublic: 1063d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 1064d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III : INHERITED(localMatrix) 1065d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III , mLayer(layer) { 1066d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1067d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1068d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool asACustomShader(void** data) const { 1069d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (data) { 1070d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III *data = static_cast<void*>(mLayer); 1071d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1072d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return true; 1073d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1074d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1075d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool isOpaque() const { 1076d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return !mLayer->isBlend(); 1077d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1078d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1079d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprotected: 1080d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 1081d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 1082d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1083d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1084d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void flatten(SkWriteBuffer&) const { 1085d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 1086d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1087d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1088d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual Factory getFactory() const { 1089d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 1090d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return NULL; 1091d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1092d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprivate: 1093d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // Unowned. 1094d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III Layer* mLayer; 1095d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III typedef SkShader INHERITED; 1096d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III}; 1097d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 10985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 10993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 11003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 11023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 11033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 11053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 11063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 11083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 11093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 11103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 11123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 11133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 11143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 1115d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 1116d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(&layerShader); 11173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 11193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 11203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 11213f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 11223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1123d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(NULL); 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11263f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 11273f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11283f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11319fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 113234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 113862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeLayerRegion"); 11393f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // standard Region based draw 11403f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik size_t count; 11413f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* rects; 11423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Region safeRegion; 11433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = layer->region.getArray(&count); 11453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11463f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = safeRegion.getArray(&count); 11483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float alpha = getLayerAlpha(layer); 11513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texX = 1.0f / float(layer->getWidth()); 11523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texY = 1.0f / float(layer->getHeight()); 11533f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float height = rect.getHeight(); 11545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDraw(); 11568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11573f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // We must get (and therefore bind) the region mesh buffer 11583f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // after we setup drawing in case we need to mess with the 11593f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // stencil buffer in setupDraw() 11603f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex* mesh = mCaches.getRegionMesh(); 11613f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik uint32_t numQuads = 0; 11625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11633f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawWithTexture(); 11643f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColor(alpha, alpha, alpha, alpha); 11653f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilter(layer->getColorFilter()); 11663f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawBlending(layer); 11673f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawProgram(); 11683f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawDirtyRegionsDisabled(); 11693f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawPureColorUniforms(); 11703f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilterUniforms(layer->getColorFilter()); 11713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawTexture(layer->getTexture()); 11723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (currentTransform()->isPureTranslate()) { 11733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 11743f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 11763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_NEAREST); 11773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11783f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11793f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_LINEAR); 11813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rect.left, rect.top, rect.right, rect.bottom); 11833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11843f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 11855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik for (size_t i = 0; i < count; i++) { 11873f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* r = &rects[i]; 11883f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11893f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u1 = r->left * texX; 11903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v1 = (height - r->top) * texY; 11913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u2 = r->right * texX; 11923f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v2 = (height - r->bottom) * texY; 11935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11943f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // TODO: Reject quads outside of the clip 11953f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 11963f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 11973f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 11983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 11993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads++; 12013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads >= gMaxNumberOfQuads) { 120334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 120434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads = 0; 12063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik mesh = mCaches.getRegionMesh(); 12075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads > 0) { 12113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 12123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik GL_UNSIGNED_SHORT, NULL)); 12133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik drawRegionRectsDebug(layer->region); 12175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->region.clear(); 12205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1223e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 12243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 124176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 124276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 124476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1247e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 124976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 126276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1267f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1270f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1276f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1278f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12791bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12801bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12811bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12821bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1283d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 12841bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12851bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12861bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12871bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12924063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1293448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1294448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1295448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1296448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 12973380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1298448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1299448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1300448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1301448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1302448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1303448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1304448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1305448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1306448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 130754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 130854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 130954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 131054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1311d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 131262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("clearLayerRegions"); 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 131454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 131554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 131654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 131854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 131954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13208a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 132154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1322448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 132354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 132654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 132754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 132954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 133054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 133154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 133454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1335e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1336e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1337e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1338e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 133954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 134076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 134176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 134276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 134354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 134454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 134576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 134654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 134754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13494063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 135054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13514063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13528a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13538a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 135454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 135554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 135654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 135754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1358e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 136154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1362bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1363c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1364c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1365c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1366ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1367d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1368d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1369c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1370ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1371ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1372ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1373d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 137428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13755e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13765e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13775e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13785e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1379d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1380ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1381ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1382ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 138328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1384a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1385d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 138628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 138728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1388d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1389d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1390d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1391d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 139228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 139328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1394ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1395d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1396d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1397d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1398d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1399c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1400ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1401ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1402527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1403527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1404d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1405c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1406c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14077273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14087273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1409d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 14107273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1411d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1412deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1413deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1414deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1415c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1416c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1417c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1418527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 141914e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 14207273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 142114e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1422deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = state.mRoundRectClipState; 1423ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1424527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 142528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 142628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1427ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1428ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1429c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1430c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 143128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 143228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 143328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 143428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 144028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 144128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 144214e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 144328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1444527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 144528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1446527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1447527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1448c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1449f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1450f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1451f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1452bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1453d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1454e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14558f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1456a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (mCaches.setScissor(clip.left, getViewportHeight() - clip.bottom, 14578a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14588a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14598a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14609d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14619d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1467d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1474c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1475c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1476c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1477c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1478c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14798d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14803bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1482c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1483f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1489d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 149062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - enabling"); 149162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 14998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1500deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // Clear and update the stencil, but first make sure we restrict drawing 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1508deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1509deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1510deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1511deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 15128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 151376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 151498d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik paint.setColor(SK_ColorBLACK); 151576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 151676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 152376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 1524deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (resetScissor) mCaches.disableScissor(); 1525deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15283ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15293ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15303ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15313ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 153276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 153376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 153476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15353ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 153762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - disabling"); 15388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1543f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1544f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1545f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1546f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1547f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1548f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1549f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1550d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1551f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15525e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1553f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1554cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1555f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1556f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1557f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1558f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1559cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1560cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1561deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1562deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1563deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, 1564deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1565dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1566dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1567dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1568f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik // not quick rejected, so enable the scissor if clipRequired 1569f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1570f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mSkipOutlineClip = !roundRectClipRequired; 157139a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1572c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1573c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1575735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1576f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 157776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 157876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 157976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 158076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1584735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1585f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 158670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 158870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 158962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::setupDraw(bool clearLayer) { 1590f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 15918a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 159262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) clearLayerRegions(); 15938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1595b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1596b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1597b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1598b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 159962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 160062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) { 160162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik setStencilFromClip(); 160262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 160362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // While clearing layer, force disable stencil buffer, since 160462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // it's invalid to stencil-clip *during* the layer clear 160562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik mCaches.stencil.disable(); 160662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } 160770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16083ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 160970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16103ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 161270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 161370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 161470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 161570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16163ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16173ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16183ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16193ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16203ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16213ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 162278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 162378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 162770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1631ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1632ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1633ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1634ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1635ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1636ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1637aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1638aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1639aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1640aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 164115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1642ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 164315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 164415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 164591a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikvoid OpenGLRenderer::setupDrawVertexAlpha(bool useShadowAlphaInterp) { 164691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik mDescription.hasVertexAlpha = true; 164791a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik mDescription.useShadowAlphaInterp = useShadowAlphaInterp; 16485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1652886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1653886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1654886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 165570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1656e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 165870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 165986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 166086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1661886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1662886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1663886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 166486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1665e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 166686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 166786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16684121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16694121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16704121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16714121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 167270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 167470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 167670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1678e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1681d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 1682d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader != NULL) { 1683d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 168776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 168876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 168976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 169076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 169176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 169276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 169376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 169476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 169576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 169676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 169776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 169870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 169970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1701f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1702f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1703f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1704f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 170554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1706f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1707f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1708f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 1709d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIstatic bool isBlendedColorFilter(const SkColorFilter* filter) { 1710d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (filter == NULL) { 1711d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return false; 1712d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1713d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0; 1714d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III} 1715d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 171676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 171776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1718f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1719f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1720f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1721d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 172276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 1723d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter()); 1724c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 172570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 172876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1729f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1730f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1731f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1732c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1733d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 1734d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III isBlendedColorFilter(getColorFilter(paint)); 1735c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 173670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 173970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1740deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1741deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1742deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* state = mSnapshot->roundRectClipState; 1743af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik const Rect& innerRect = state->innerRect; 1744deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1745af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.left, innerRect.top, 1746af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.right, innerRect.bottom); 1747deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 1748af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik state->radius); 1749deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1750deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 1751deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 175570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17584063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17594063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1760e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 17614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1762e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 176370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 176586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1766a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1767a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.currentProgram->set(mSnapshot->getOrthoMatrix(), mModelViewMatrix, transformMatrix, offset); 1768a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1769a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1770a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1771a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1772a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1773a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 177486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 177570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1777d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 1778d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 177970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 178070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 178170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17845536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 178586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17865536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17875536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 1789d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 1790d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader == NULL) { 1791d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return; 1792d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1793d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1794d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (ignoreTransform) { 1795d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 1796d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // because it was built into modelView / the geometry, and the description needs to 1797d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // compensate. 1798d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mat4 modelViewWithoutTransform; 1799d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 1800d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 1801d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 180270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1803d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1804d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 180570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 180876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 180976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 181076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 181576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 181676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 181776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 181876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 181976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 182076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 182176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 182276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 182376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 182576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 182676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 182876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 182976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 183076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 183176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 183276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 183476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 183576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 183676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 183776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 183876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 183976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 184076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 184276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 184376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 184476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 184570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 184676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 184870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18504121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18514121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18524121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18534121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 185470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1855f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1856cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 185715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 185870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1861257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18622d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 186315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1866aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1867aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18682d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 186915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1870aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1871aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18728f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18738f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18768f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1877aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1878aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1879aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1880aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1881564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1882564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1883f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1885f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 188670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1887f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 188870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1889d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1890cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 189115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1892cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 189315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 189415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 189515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 189615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 189715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1898564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1899564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1900ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1901ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1902ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1903ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1904ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1905ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1906ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1907ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1908ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1909ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1910ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1911ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1912ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1913ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1914ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1915ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1916564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1917564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 192763d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 19283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1929cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 193015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1931cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 193370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 193470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1935448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1936f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 193763d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1938cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1942f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1943f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1944f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1945a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craikstatus_t OpenGLRenderer::drawRenderNode(RenderNode* renderNode, Rect& dirty, int32_t replayFlags) { 194658d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19470fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19480fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 1949a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (renderNode && renderNode->isRenderable()) { 1950f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1951a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->computeOrdering(); 1952d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 195358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1954ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1955a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->replay(replayStruct, 0); 195658d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1957c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1958c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 195928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1960d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1961ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1962a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->defer(deferStruct, 0); 196396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 196496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 196558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 196696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1967f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19680fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19697b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19703a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // Even if there is no drawing command(Ex: invisible), 19713a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // it still needs startFrame to clear buffer and start tiling. 19723a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen return startFrame(); 19730fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19740fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1975d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1976886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1977886b275e529e44a59c54b933453d9bc902973178Romain Guy 1978a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1979a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1980a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1981886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1982886b275e529e44a59c54b933453d9bc902973178Romain Guy 1983a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1984d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1985d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1986d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1987a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1988a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1989886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1990886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 199167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 19925b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1993e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 1996886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 199776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 19983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1999a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2000a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 200103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 200203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 200303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 200403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 200503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2006d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2007d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 2008d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 2009527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 201055b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2011527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2013527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2014527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2015527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 201667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 2017527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2018527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2019527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20201103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2021527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20234063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20244063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2025527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2026527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20294063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2030527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2031527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2032527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2033527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2034527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2035796475006f5d670e8383a2050f11719522437a43Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) { 2036796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2037486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2040a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2042486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 204422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20451103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2046796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2047a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2048796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2049a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2050486590963e2207d68eebd6944fec70d50d41116aChet Haase 2051486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2054796475006f5d670e8383a2050f11719522437a43Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, const SkPaint* paint) { 2055796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2056486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2057e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2058e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2059e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2060e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2061e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2062e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 20631103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2064796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2065886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2066796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2067886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2068486590963e2207d68eebd6944fec70d50d41116aChet Haase 2069486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2070e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2071e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2072d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2073d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2074d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2075486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 20775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 207839a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 207939a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 208039a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2081b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2082b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2083b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2084b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2085b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2086a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2087b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2088564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2089564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2090564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2091ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2092ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2093ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2094ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2095d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2096d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2097d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2098ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2099ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2100a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2125ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2126ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2127ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2129ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2130ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2131ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2132b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2133a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2134a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2135a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2136a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2140f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2141ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2142a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2143a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2144a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2145ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2151ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2152a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2153a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2154a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 215567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2156a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2157a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2158a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2159a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2160a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2161ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2162ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2163a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2164d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2165b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2166b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2167ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2168ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2169ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 217076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 217176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2172ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2173ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 21744063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2175ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2176ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 217776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 21783380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2179ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2180ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2181ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2182ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2183ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2184ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2185ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2186ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2187ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2188486590963e2207d68eebd6944fec70d50d41116aChet Haase 2189486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 21915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2192d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 21938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 21948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2195d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2196f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2197486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2200a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2202486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 220322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2207c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2214c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 221503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2218d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2219d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2220886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2221886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2223886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2224886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2225886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2226886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2227d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2228886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2229b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2230d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2231d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2232d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2233886b275e529e44a59c54b933453d9bc902973178Romain Guy 2234886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2235886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2236886b275e529e44a59c54b933453d9bc902973178Romain Guy 2237886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2238886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2239886b275e529e44a59c54b933453d9bc902973178Romain Guy 224067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2241886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 224367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2244886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2245886b275e529e44a59c54b933453d9bc902973178Romain Guy 2246886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2247886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2248886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2252886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2253886b275e529e44a59c54b933453d9bc902973178Romain Guy 2254886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2255886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2256886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2257886b275e529e44a59c54b933453d9bc902973178Romain Guy 22581103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2259886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22613380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2262886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2264886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22663380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2267886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2268886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2269886b275e529e44a59c54b933453d9bc902973178Romain Guy 2270886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2271886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2275486590963e2207d68eebd6944fec70d50d41116aChet Haase 2276486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2277ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2278ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2279d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2280d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2281f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 22824c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 22834c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 22844c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 22854c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 22864c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 22874c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 22884c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 228903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2290be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2291be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2292d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2293d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2294d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2295f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2296486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2299211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2300a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2301a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2302a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2303a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2305a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2306a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2307a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2308d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23108168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2311d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2312d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23158ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2316211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2317c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2318c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2319c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2321c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2322d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2328211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2329d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2330d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23344063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23354063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23364063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 233876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 233976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23404063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23414063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2342054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2343486590963e2207d68eebd6944fec70d50d41116aChet Haase 2344486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2345f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2346f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 234703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 234803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 234903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 235003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 235103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2352d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2353d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 235403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 235503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 235603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 235703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 235803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 235903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 236003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 236103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 236376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 236503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 236703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 236803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 2370bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik const VertexBuffer& vertexBuffer, const SkPaint* paint, int displayFlags) { 23714063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23726d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2373bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 237465cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2375bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2376bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 23770d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik Rect bounds(vertexBuffer.getBounds()); 23780d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik bounds.translate(translateX, translateY); 237905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 238005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 238165cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 238265cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 238365cd612face362d054a85d0f7e5881c59cd523beChris Craik 2384710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2385710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 238691a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (isAA) setupDrawVertexAlpha((displayFlags & kVertexBuffer_ShadowInterp)); 2387710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 238876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2389d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 239076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2391710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 2392bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik setupDrawModelView(kModelViewMode_Translate, (displayFlags & kVertexBuffer_Offset), 2393bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik translateX, translateY, 0, 0); 2394d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 239576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2396d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2397858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 239855bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2399710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2400cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2401710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 240263d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 2403710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2404710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2406710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2407710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24086ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24096ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2410710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24116ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 241205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 241305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 241463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 241563d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 241605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 241750ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 241850ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 241905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 242063d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 242150ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 2422d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui } else if (mode == VertexBuffer::kIndices) { 2423d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui mCaches.unbindIndicesBuffer(); 2424d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui glDrawElements(GL_TRIANGLE_STRIP, vertexBuffer.getIndexCount(), GL_UNSIGNED_SHORT, 2425d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui vertexBuffer.getIndices()); 242663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2428710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24296ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 243004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 243165cd612face362d054a85d0f7e5881c59cd523beChris Craik 243265cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2433858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2434858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2435858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 243665cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 243765cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 243865cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 243965cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 244065cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 244165cd612face362d054a85d0f7e5881c59cd523beChris Craik * 244265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 244399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2444d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 244565cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 244665cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2447d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 244805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(vertexBuffer, paint); 244965cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 245165cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 245265cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 245365cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 245465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 245865cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245965cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 246065cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 246165cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2462d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2463d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246565cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246765cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 246805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 246905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2470d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 247105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2472d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2473d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2474d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2475bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2476bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik return drawVertexBuffer(buffer, paint, displayFlags); 24775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2479d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2480d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2481ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 24826d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 24837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24846d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 248505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 24867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 248805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 24896d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2490ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2491ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2492bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2493bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik return drawVertexBuffer(buffer, paint, displayFlags); 2494ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2495ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2496486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2497e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2498d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2499e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2500d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2501ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 250270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 250376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 250476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 250576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 250676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 250776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2508486590963e2207d68eebd6944fec70d50d41116aChet Haase 2509486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2510c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25119d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2512486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2513d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2514486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 251501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 251601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 251701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 251801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 251901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 252001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2521486590963e2207d68eebd6944fec70d50d41116aChet Haase 2522486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 252301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 252401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2525486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2526d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2527947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2528947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2529947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2530710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2531710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 253201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2533cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2534710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2535c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2536710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2537710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2538710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2539710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 25406ac174b97246ed40fe780b29561603b61770fa17Chris Craik const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect( 25416ac174b97246ed40fe780b29561603b61770fa17Chris Craik *currentTransform(), *p, right - left, bottom - top, rx, ry); 254205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(left, top, *vertexBuffer, p); 2543c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 254401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2545d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2546947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2547947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(x - radius, y - radius, x + radius, y + radius, p) 2548947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2549710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2550710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2551cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2552710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2553c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2554710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2555710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2557710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2558cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2559cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2560cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2561cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2562cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 256365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2564c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 256501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2566486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2567d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2568947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2569947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2570947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2571710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2572710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 257301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2574cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2575710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2576c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2577710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2578710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2579710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2580710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2581710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2582cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2583cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2584cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2585710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 258665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2587c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2588c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2589486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2590d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2591947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2592947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2593947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2594780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2595780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 25968b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2597780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 259865cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2599780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2600c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2601780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2602780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2603780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2604780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2605780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2606780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2607780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2608780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2609780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2610780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2611780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2612780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2613780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2614780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2615780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2616780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2617780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 261865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26198b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26208b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2621cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2622cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2623cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2624d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2625d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2626947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2627947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2628947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2629486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2632710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2633cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2634cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2635cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2636cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2637cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2638c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2639cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2640cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2641cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2642cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2643cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2644cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2645cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2646cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2647cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 264865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2649026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2650026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2651d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2652710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2653710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 265465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2655858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 265676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 265765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2658858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2659c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26609d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2661d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2662d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 266376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2664416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2665416a847633680d94efb926837efdc18726d54918Raph Levien 2666c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2667c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2668c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2669c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2670c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2671416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2672416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2673416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2674416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2675c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2676cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2677cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2678cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2679416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2680416a847633680d94efb926837efdc18726d54918Raph Levien 2681c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2682c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2683416a847633680d94efb926837efdc18726d54918Raph Levien 2684c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha; 2685d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 2686c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2687416a847633680d94efb926837efdc18726d54918Raph Levien } 2688416a847633680d94efb926837efdc18726d54918Raph Levien 2689416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2690416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2691c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 269276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2693d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 269476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2695416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 26964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 26974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2698416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2699416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 270076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2701d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2702416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2703416a847633680d94efb926837efdc18726d54918Raph Levien 2704416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2705416a847633680d94efb926837efdc18726d54918Raph Levien} 2706416a847633680d94efb926837efdc18726d54918Raph Levien 2707768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2708c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2709768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2710768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2711768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2712486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2713d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2714d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2715486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2716eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2717eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2718671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2719d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2720486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2721671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2722671d6cf460531825a321edb200523d0faa7792c9Romain Guy 272339a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 272439a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2725671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2726671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2727d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2728671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2729d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2730d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2731671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2732671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2733b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 273459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2735671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2736671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2737671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2738671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2739671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2740c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2741e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 274276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2743416a847633680d94efb926837efdc18726d54918Raph Levien } 2744416a847633680d94efb926837efdc18726d54918Raph Levien 2745671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2746d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2747671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2748671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2749671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2750257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2751671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2753671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2754671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2755211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2756671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27571e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2759257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2760671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2761671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2762d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2763671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2764671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2765671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2766671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2767486590963e2207d68eebd6944fec70d50d41116aChet Haase 2768486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2769eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2770eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 277159744b79ec302000802cd56d30a1bf70f0183c80Chris Craikbool OpenGLRenderer::findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const { 2772624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 277359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 277459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return false; 277559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } else if (CC_UNLIKELY(transform.isPerspective())) { 277659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 277759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return true; 277859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } 277959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 278059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik /** 2781a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * Input is a non-perspective, scaling transform. Generate a scale-only transform, 2782a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * with values rounded to the nearest int. 278359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik */ 278459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float sx, sy; 278559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik transform.decomposeScale(sx, sy); 2786a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik outMatrix->setScale( 2787a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sx)), 2788a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sy))); 2789a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik return true; 2790624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2791624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 279241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2793d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2794527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2795527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2796527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 279728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 279828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2799d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2800f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 280128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 280228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2803cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2804cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28053a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28063a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2807624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2808d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2809624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2810c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2811211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2812624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2813624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 281686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 281786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 281886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28199d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2820c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2821c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2822c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 282359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2824c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 282576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28261e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28271e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 282819d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 282919d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2830624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2831624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2832624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2833624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2834624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2835624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2836624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2837624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2838624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2839624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2840624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 284159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik SkMatrix fontTransform; 284259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool linearFilter = findBestFontTransform(transform, &fontTransform) 284359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(y - (int) y) > 0.0f 284459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(x - (int) x) > 0.0f; 28453b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2846257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 284706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2848624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2849d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 285041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2852996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 28531e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2854527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2855527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2856527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2857a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28588b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28598b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28608b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 286141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2862996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28638b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 286441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2865996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28664ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2867527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2868624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 286941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2870a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 287141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 28725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2873694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2874e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2875486590963e2207d68eebd6944fec70d50d41116aChet Haase 2876486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2877694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2878694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2879d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2880d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2881d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2882486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 288303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 288403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 288539a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 288639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 288739a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2888b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 288959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2890257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 289103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 289203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 289303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 289403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28951e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 28969777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 28979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 28989777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 289903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29009777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29031e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 29049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2905d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2909486590963e2207d68eebd6944fec70d50d41116aChet Haase 2910486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2911325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2912325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2913d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2914d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2915dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2916a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29177fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2918fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2919486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 292022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29217fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29228b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29238b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29248b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 292501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2926486590963e2207d68eebd6944fec70d50d41116aChet Haase 2927486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29287fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29297fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2930a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 293135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2932486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2935b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2936b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2937b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2938b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 29393f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 294014e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2941b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2942b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2943b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 294439a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2945f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2946deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, NULL, false); 29474ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 294835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2949b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2950b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2951b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 295235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 295335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 295435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 295562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("drawLayer," RECT_STRING ", clipRequired %d", x, y, 295662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), clipRequired); 295762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 29585bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29592bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 296039a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 2961a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2963211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2964c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 296534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 296634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 2967c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 296876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 296916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 2970c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2971c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29728168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 297376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 297476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 2975c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2976c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 297776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 29789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2979d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 2980d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2981d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 29829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2983d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 29844063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 29854ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 29869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2987d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 29884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 29899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 29909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2991c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2992448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 2993448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 2994448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 2995448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 2996448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 2997448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 29983380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 2999448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3000448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3001448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3002448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3003448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3004448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3005448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3006448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3007c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3009e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3011c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30124ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30135bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30145bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 301576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 301676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 301776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 301876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30194ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3020f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 302134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3022486590963e2207d68eebd6944fec70d50d41116aChet Haase 3023b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3024b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3025b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3026b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3027486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3035527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3036527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3037c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3038527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3039527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3043591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik // TODO: don't bother with boolean, it's redundant with clear/set bits 3044c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3045c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3046c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3049d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3050591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik // TODO: use CompatFlagsDrawFilter here, and combine logic with android/graphics/DrawFilter.cpp 3051591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik // to avoid clobbering 0x02 paint flag 3052591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik 3053591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 3054591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik static const uint32_t sFilterBitmapFlag = 0x02; 3055591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik 3056758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3057758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3058758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 30595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3060591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik const uint32_t clearBits = mDrawModifiers.mPaintFilterClearBits; 3061591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik const uint32_t setBits = mDrawModifiers.mPaintFilterSetBits; 30625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3063591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik const uint32_t flags = (paint->getFlags() & ~clearBits) | setBits; 30645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3065591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik mFilteredPaint.setFlags(flags); 3066591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik 3067591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik // check if paint filter trying to override bitmap filter 3068591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik if ((clearBits | setBits) & sFilterBitmapFlag) { 3069591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik mFilteredPaint.setFilterLevel(flags & sFilterBitmapFlag 3070591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel); 3071591be6c7af512a7dbae5a7f0cc9890b82af74e58Chris Craik } 30725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 30745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 30786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3080d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 30813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 30823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 30833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 30843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 30853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 30863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 30873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 308801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3089d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3090f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 309101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 309201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 309301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 309401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 309501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 309601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 309701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 309801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 309901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 310001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 310176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3102d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 310376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 310401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 31054063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 31064063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 310701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 310801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 310976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3110d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 311101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 311201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 311301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 311401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 311501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3116f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3121d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3122d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3126726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3128211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3129726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3130f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31328b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3134e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3135f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3136f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3137f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3138f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3139f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3140e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3141e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3145e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3146e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3147e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3148e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3153e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3154e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3155e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3156e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3158e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3159726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3160e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3161726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3166d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3167d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3168672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3169672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3170672433d90fab7383cd28beac9d4485b566a90940Romain Guy 317176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3172735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3173735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3174b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craikstatic void mapPointFakeZ(Vector3& point, const mat4& transformXY, const mat4& transformZ) { 3175b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map z coordinate with true 3d matrix 3176b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik point.z = transformZ.mapZ(point); 3177b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 3178b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map x,y coordinates with draw/Skia matrix 3179b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik transformXY.mapPoint(point.x, point.y); 3180b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik} 3181b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 318205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawShadow(float casterAlpha, 318305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3184d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3185f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 318615a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3187f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3188f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3189f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3190ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3191f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 319214a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui // The caller has made sure casterAlpha > 0. 319314a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui float ambientShadowAlpha = mAmbientShadowAlpha; 319414a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (CC_UNLIKELY(mCaches.propertyAmbientShadowStrength >= 0)) { 319514a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui ambientShadowAlpha = mCaches.propertyAmbientShadowStrength; 319614a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui } 319714a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 319814a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui paint.setARGB(casterAlpha * ambientShadowAlpha, 0, 0, 0); 319991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint, kVertexBuffer_ShadowInterp); 3200ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3201ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 320214a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui float spotShadowAlpha = mSpotShadowAlpha; 320314a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (CC_UNLIKELY(mCaches.propertySpotShadowStrength >= 0)) { 320414a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui spotShadowAlpha = mCaches.propertySpotShadowStrength; 320514a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui } 320614a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 320714a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui paint.setARGB(casterAlpha * spotShadowAlpha, 0, 0, 0); 320891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint, kVertexBuffer_ShadowInterp); 3209ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 32107b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 32117b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3212f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3213f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 321476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 321576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32163b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32173b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32183b753829ae858d424fe109f714745379a6daf455Romain Guy } 3219735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 322076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 322176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 3222d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 322376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 322476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 322576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3226672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3227672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3228672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3229672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3230672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3231448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3232672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3233672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32342af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3235672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3236672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3237672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3238672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3239672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32403b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32413b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32423b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32433b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3244672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32453b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32463b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32473b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32483b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3249672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3250672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3251f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3252a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3253a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3254672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3255672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3256672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3257d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3258d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 325976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 326076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3261672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3262672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 32634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 32644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3265d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3266d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 326776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3268672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3270d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3271672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3272672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3274672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3275672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3276672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3277672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3278026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 327976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 328076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3281d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3282d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 3283d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3284d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3285d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 328670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 328715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3288d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3289d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 329076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 329176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 329270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 32934063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 32944063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 3295d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3296d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 329776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 329870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3299c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3300c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3301c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3302c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 330382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3304d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3305d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 33068164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 33073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 33083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 33093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33113380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 33123380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 33133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3320d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3321d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3322d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3324d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 332676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 332967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 333076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 333785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 333885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3339f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 334076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33416820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33424063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33434063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33448694230ff25fa0a60e480d424843e56b718f0516Romain Guy 334576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 334676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 334776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 334876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 334976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 335070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 335170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 335270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 335376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 335476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 335570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3356886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3358886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 335986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 336076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 336170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3362db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33636820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 336482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 336582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 33663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 336776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33694063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33704063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 337276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 337376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 337476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 337576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 337676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 33773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 33783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 33793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 338076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 338176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 33823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 33833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33844063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 33853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 33863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 338776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 33883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 33893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 33913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 33923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3393886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 339476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3395886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3397886b275e529e44a59c54b933453d9bc902973178Romain Guy 339876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 339976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 340076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 340176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 340276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3403886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3404886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 340576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3406886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3407886b275e529e44a59c54b933453d9bc902973178Romain Guy } 340876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3409d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 341076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3411886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3412886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3414886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3415886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 341676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3417d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3418886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3419886b275e529e44a59c54b933453d9bc902973178Romain Guy 3420886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3421886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3422886b275e529e44a59c54b933453d9bc902973178Romain Guy 3423a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3424f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3425deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3426deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mSnapshot->roundRectClipState != NULL /*&& !mSkipOutlineClip*/) { 3427deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3428deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3429deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3430deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3431deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 343278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 343378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 343478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 343578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 343678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 343778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 343878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 343978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 344078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 344178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 344278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 344378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 344478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 344582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3446c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 344782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 344882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 344982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 345082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 345182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 345282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 345333fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34543bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3455a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3456f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3457a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 345882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 345982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 346082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 346182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 346282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 346482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 346582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3466a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 346782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 346882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 347082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 347182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 347282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 347382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 347482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 347582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 347682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 347782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 347882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 347982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 348082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3481fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 348282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 348382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3484fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3485bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3486bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3487889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3488d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3489fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3490d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3491fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 34926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3493260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 34946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3495260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3496260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3497026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3498ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 349982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 350082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 350182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 350282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 35038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 35048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3505d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3506be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 350716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 350816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 350987b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 351016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3511d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3512026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3513026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 351476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 351516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 351616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 351716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 351816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 351916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 352016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3521d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 352216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 352316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35249d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3525e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3526