OpenGLRenderer.cpp revision af4d04cab6d48ae0d6a5e79bd30f679af87abaad
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 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 599d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 609d5316e3f56d138504565ff311145ac01621dff4Romain Guy 61759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 62759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 63759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 64f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 65dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 6667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craikstatic GLenum getFilter(const SkPaint* paint) { 6767862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) { 6867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_LINEAR; 6967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik } 7067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_NEAREST; 7167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik} 72d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 739d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 749d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 759d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 769d5316e3f56d138504565ff311145ac01621dff4Romain Guy 77889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 78889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 79889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 80889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 81889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 82889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 83889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 84889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 85889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 86026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 87026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 88026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 102d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 104026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 105e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 10787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 10887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 109f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 1102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1112ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 1122ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 1132ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 1142ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 1152ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1162ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1172ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1182ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1192ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1202ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1212ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1222ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 123d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1242ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 125f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 126f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 128448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 129448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 130448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 131448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 132448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 133448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 134448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 135448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 136448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 137f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 138f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1403b20251a355c88193c439f928a84ae69483fb488John ReckOpenGLRenderer::OpenGLRenderer(RenderState& renderState) 141058fc640017c90120c599d378a4cbc55668b05b7Chris Craik : mFrameStarted(false) 142058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCaches(Caches::getInstance()) 1433b20251a355c88193c439f928a84ae69483fb488John Reck , mExtensions(Extensions::getInstance()) 144058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mRenderState(renderState) 145058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mScissorOptimizationDisabled(false) 146058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCountOverdraw(false) 1471aa5d2d7068147ff781cfe911a93f01593a68c79John Reck , mLightCenter((Vector3){FLT_MIN, FLT_MIN, FLT_MIN}) 148058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mLightRadius(FLT_MIN) 149058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mAmbientShadowAlpha(0) 150058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mSpotShadowAlpha(0) { 151527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 152527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 15316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 154026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 155ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 156e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 157e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 15929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 16029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 161e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 162e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 16487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 16587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 16687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 16787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 16887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 16987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 17087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 17187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 17213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 17313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 174058fc640017c90120c599d378a4cbc55668b05b7Chris Craikvoid OpenGLRenderer::initLight(const Vector3& lightCenter, float lightRadius, 175058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 176058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightCenter = lightCenter; 177058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightRadius = lightRadius; 178058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mAmbientShadowAlpha = ambientShadowAlpha; 179058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mSpotShadowAlpha = spotShadowAlpha; 180058fc640017c90120c599d378a4cbc55668b05b7Chris Craik} 181058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 18213631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 183f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 184f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 185f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 186797b95b26bbb7557678af78b9a2a61830158920fChris Craikvoid OpenGLRenderer::onViewportInitialized() { 18735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 18835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 18935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 19035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 19135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 19235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 19396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 194c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 195fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 196fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 19714e513058ed4168c94e015638d16f5f87fd8063aChris Craik initializeSaveStack(left, top, right, bottom); 19896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1995f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 20096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 20296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 20396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 20496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 20511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 20696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 20796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 20896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 20945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 2103b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getWidth(), getHeight()); 2117d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 21254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 21354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 21454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 21554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 21654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 217d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 2182b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2197c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2207c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 22196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 22296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 22396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 22496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 22778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 22896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 22996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 234d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 23596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 23696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 23796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 23896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 23996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 24096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 24196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2427c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2437c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 244dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 245dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 246dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 247dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2483bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 24914e513058ed4168c94e015638d16f5f87fd8063aChris Craik left <= 0.0f && top <= 0.0f && right >= getWidth() && bottom >= getHeight()) { 250f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 251f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 252f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 253f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 254dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 255dcfc836b457a87881da409e1acf251515f121446Romain Guy } 256dcfc836b457a87881da409e1acf251515f121446Romain Guy} 257dcfc836b457a87881da409e1acf251515f121446Romain Guy 2587c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 25978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 260586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 261a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(left, getViewportHeight() - bottom, right - left, bottom - top); 2626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 26344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 264ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 26544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2667c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 26744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 268ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 269ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 270ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 271ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 272ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 273ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 274ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 277bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 27833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTilingCurrentClip(bool opaque, bool expand) { 27954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 280d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 281d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 28214e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 283d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 284d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 28554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 28654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 28733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTiling(*clip, getViewportHeight(), opaque, expand); 288c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 289c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 290c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 29133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque, bool expand) { 292c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 29333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen if(expand) { 29433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 29533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int leftNotZero = (clip.left > 0) ? 1 : 0; 29633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int topNotZero = (windowHeight - clip.bottom > 0) ? 1 : 0; 29733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen 29833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling( 29933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.left - leftNotZero, 30033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen windowHeight - clip.bottom - topNotZero, 30133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.right - clip.left + leftNotZero + 1, 30233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.bottom - clip.top + topNotZero + 1, 30333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen opaque); 30433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } else { 30533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling(clip.left, windowHeight - clip.bottom, 30652036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 30733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } 3082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 3092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3112b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 31254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 3132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3142b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 315b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 3167c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3172b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3182b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 319ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 320ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 321ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 322ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 32305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik mCaches.tessellationCache.trim(); 324ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 325ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 32611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 327b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 328e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik GLUtils::dumpGLErrors(); 329b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 33011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 331c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 332e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 33311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 33411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 33511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 33611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 337c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 33811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 33996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 34078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 34178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 34278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 34378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 34496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 345b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 346b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 34735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 3483b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 3493b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(currentSnapshot()->fbo); 3507c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 35135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 35335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 35535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 357d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 358408eb12631376cbdc96803e918decf6ea804d346Chris Craik 359d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 36080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 36180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 362d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 363d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 364d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 365d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 366d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 367d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 36808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 36908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 37008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 37108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 37208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 37308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 374a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.width = getViewportWidth(); 375a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.height = getViewportHeight(); 376d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 37780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3783b20251a355c88193c439f928a84ae69483fb488John Reck bool prevDirtyClip = mDirtyClip; 37954f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 38054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 38154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 38254f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 3833b20251a355c88193c439f928a84ae69483fb488John Reck if (mCaches.enableScissor() || prevDirtyClip) { 38425d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 38525d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 38654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 3873b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.invokeFunctor(functor, DrawGlInfo::kModeDraw, &info); 3883b20251a355c88193c439f928a84ae69483fb488John Reck // Scissor may have been modified, reset dirty clip 3893b20251a355c88193c439f928a84ae69483fb488John Reck dirtyClip(); 390cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 391750ca6dbdb259aea0ca5b77380a9303e586ef3eaJohn Reck return DrawGlInfo::kStatusDrew; 392daf98e941e140e8739458126640183b9f296a2abChet Haase} 393daf98e941e140e8739458126640183b9f296a2abChet Haase 394f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 39587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 39687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 39787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 39862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::eventMarkDEBUG(const char* fmt, ...) const { 39962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 40062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik const int BUFFER_SIZE = 256; 40162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_list ap; 40262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik char buf[BUFFER_SIZE]; 40362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_start(ap, fmt); 40562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik vsnprintf(buf, BUFFER_SIZE, fmt, ap); 40662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_end(ap); 40762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik eventMark(buf); 40962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 41062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik} 41162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 41262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 4130f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4140f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4150f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4160f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 4263b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.debugOverdraw(enable, clear); 42787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 43087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 4315f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 434a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(clip->left, firstSnapshot()->getViewportHeight() - clip->bottom, 43587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 43687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 437627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 43887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 439627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 440627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 441627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 44287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 443627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 444627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 445627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 44687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 447627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 448627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 449627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 451627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 452627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 45387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 45587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 45814e513058ed4168c94e015638d16f5f87fd8063aChris Craik size_t count = getWidth() * getHeight(); 45978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 46014e513058ed4168c94e015638d16f5f87fd8063aChris Craik glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 46178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 46378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 46478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 46578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 46678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 46878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 47078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 47178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 47287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 47311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 47411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 47511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 477a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (layer->deferredUpdateScheduled && layer->renderer 478a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik && layer->renderNode.get() && layer->renderNode->isRenderable()) { 479405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 480405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4837c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4847c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4857c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4867c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 48902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 49096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 49196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 49296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 496d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4995bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 50034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 50996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 51096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 51196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 51496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 51596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 51696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 51796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 51896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5201206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5211206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 52496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 52596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 52696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 53096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5313b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 53296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 53396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 53496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 53596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 53696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 53796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 53896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 53996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 54096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 54196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 54296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 5431206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5441206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 54596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 54602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 54702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 548405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 54902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 55002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 551405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 552405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 55302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 55402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 55596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 55696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 55796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 55896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5593b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 56096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 56411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 56611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 56702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 56802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 56902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 57002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 57102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 57202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 57302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 57402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 57502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 57611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 57711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 57811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 58011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 581e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 582e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 583e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 584e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 585e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 586e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 587e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 588e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 589e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 590e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 591e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 592e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 59511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 59811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 59911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 60011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 60111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 60211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 60311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 60411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 605405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 606405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 607405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 608405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 609405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 610405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 611405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 612405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 61311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 614f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 615f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 616f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 61714e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 618a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bool restoreViewport = removed.flags & Snapshot::kFlagIsFboLayer; 61914e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 62014e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 621bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 622a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (restoreViewport) { 6233b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6262542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 627746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6288fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6292542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6305ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6317273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 6327273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 63314e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 6347273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 6355ec9924d24495822b589f1a17996655d66273b30Romain Guy } 636d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6375cbbce535744b89df5ecea95de21ee3733298260Romain Guy 638f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 639bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 640bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 641bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 642bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 644eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 645d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 646d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 6473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik createLayer(left, top, right, bottom, paint, flags, convexMask); 648dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 649d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 650d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 651bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 652bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 653d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 654d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 655d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 656d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 657d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 658d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 659d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 660d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 661d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 662d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 663d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 664d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 665d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 666924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik const Snapshot& previous = *(currentSnapshot()->previous); 667924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik Rect previousViewport(0, 0, previous.getViewportWidth(), previous.getViewportHeight()); 668924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik if (!bounds.intersect(previousViewport)) { 669d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 670d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 671d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 672d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 673d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 674d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 675d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 676d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 677d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 678d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 679d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 680d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 681d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 682d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 683d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 684d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 685d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 686d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 687d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 688408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 689408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 690408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 691408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 692408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 693408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 694408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 695408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 696408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 697408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 698408eb12631376cbdc96803e918decf6ea804d346Chris Craik 699d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 700d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 701d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 702d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 703d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 704d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 705d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 706d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 707d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 708d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 709d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 710d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 711d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 712d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 713d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 714d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 715d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 716a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 717deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 718d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 719d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 720d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 721d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 722d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 723d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 7241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 7251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 7261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 7271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 7281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 7291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 7301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 7311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 7331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 7341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 7351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 7361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 7371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 7381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 7391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 7416b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 7426b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 7436b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 7446b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 7451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 7471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 7481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 74987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 7501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 7511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 7521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 76987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 77087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 77187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 77287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 77387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 775d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 7763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 777eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 778fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 779dda570201ac851dd85af3861f7e575721d3345daRomain Guy 780eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 781eb99356a0548684a501766e6a524529ab93304c8Romain Guy 782f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 783d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7848aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 785d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 786674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, getAlphaDirect(paint)); 787dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 788dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 789d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 790b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 791b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 792dda570201ac851dd85af3861f7e575721d3345daRomain Guy 793a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7943b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = mCaches.layerCache.get(mRenderState, bounds.getWidth(), bounds.getHeight()); 795f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 796f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 797bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 798bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 799674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger layer->setPaint(paint); 8008aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 803d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 804a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 8057c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 8063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(convexMask); // note: the mask must be cleared before returning to the cache 807dda570201ac851dd85af3861f7e575721d3345daRomain Guy 8088fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 809d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 810d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 8111d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8127273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 813eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 814e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 815eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 816eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 818514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 8199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 820b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 821b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 822b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 823b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 824b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 825b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 8269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 827514fb18827186591d66973c2362c859b64b63556Romain Guy } 8287b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 829a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 830a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.left, getViewportHeight() - bounds.bottom, 831a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.getWidth(), bounds.getHeight()); 832b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 83354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 83454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 835ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 836eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 837f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 838d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 839bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 840bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 841e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 842c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 845d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 846a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer; 847d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 848d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 849d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 850a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 851deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8532b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8547c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8563b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(layer->getFbo()); 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8610908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 8629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 86833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 86933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTilingCurrentClip(true, true); 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 872586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8738f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8803b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(bounds.getWidth(), bounds.getHeight()); 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 88714e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 88814e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8893762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 89314e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 89514e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 896eb99356a0548684a501766e6a524529ab93304c8Romain Guy 89739a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 898f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 899deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, NULL, false); // safely ignore return, should never be rejected 90039a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 90139a908c1df89e1073627b0dcbce922d826b67055Chris Craik 902eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 905e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 906e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 9078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 9098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 910eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 9113b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(restored.fbo); 9127c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 9132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 914d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 915eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 916eb99356a0548684a501766e6a524529ab93304c8Romain Guy 9179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 91876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 91976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 92076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 92176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 92276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 92376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 9245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 9259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 926f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 927f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 92803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 9298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 930a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 934eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 93514e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 939a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 940a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 941a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 942a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 943a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 9449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 945a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 946eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9471d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 948746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 949746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 950eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(NULL); 9528550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9531d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 954603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9551d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9561d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 958aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9592458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 960aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 961aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9678f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 968aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 96976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 97076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 97376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9768f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9788f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 979d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9809757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 981ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 982ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 983d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 984d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 986d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 990d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9914063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9924063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9953380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 996aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 997aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 998aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 999aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 100162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (layer->isTextureLayer()) { 100262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeTextureLayerRect"); 100362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 100462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik drawTextureLayer(layer, rect); 100562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 100662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 100762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeHardwareLayerRect"); 1008aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1009aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1010aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 10115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 1014d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 1015ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1016b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1017b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1018b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 10199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 1021d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1022d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 10239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1025d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 10269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1027d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 103076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 103176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 103276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 103376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 103476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 103576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 103776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10383380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1041aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1042aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 104534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 104634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 104734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 104834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 104934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 105034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 105134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 105234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 105434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 105534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 105734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 105834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 105934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 106034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 106134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 1062d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 1063d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 1064d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass LayerShader : public SkShader { 1065d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIpublic: 1066d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 1067d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III : INHERITED(localMatrix) 1068d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III , mLayer(layer) { 1069d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1070d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1071d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool asACustomShader(void** data) const { 1072d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (data) { 1073d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III *data = static_cast<void*>(mLayer); 1074d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1075d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return true; 1076d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1077d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1078d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool isOpaque() const { 1079d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return !mLayer->isBlend(); 1080d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1081d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1082d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprotected: 1083d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 1084d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 1085d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1086d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1087d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void flatten(SkWriteBuffer&) const { 1088d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 1089d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1090d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1091d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual Factory getFactory() const { 1092d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 1093d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return NULL; 1094d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1095d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprivate: 1096d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // Unowned. 1097d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III Layer* mLayer; 1098d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III typedef SkShader INHERITED; 1099d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III}; 1100d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 11015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 11033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 11053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 11063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 11083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 11093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 11113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 11123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 11133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 11153f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 11163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 11173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 1118d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 1119d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(&layerShader); 11203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11213f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 11223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 11233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1126d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(NULL); 11273f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 11283f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11293f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 11303f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11313f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11349fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 113534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11369fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 114162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeLayerRegion"); 11423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // standard Region based draw 11433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik size_t count; 11443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* rects; 11453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Region safeRegion; 11463f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = layer->region.getArray(&count); 11483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = safeRegion.getArray(&count); 11513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11533f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float alpha = getLayerAlpha(layer); 11543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texX = 1.0f / float(layer->getWidth()); 11553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texY = 1.0f / float(layer->getHeight()); 11563f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float height = rect.getHeight(); 11575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11583f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDraw(); 11598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11603f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // We must get (and therefore bind) the region mesh buffer 11613f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // after we setup drawing in case we need to mess with the 11623f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // stencil buffer in setupDraw() 11633f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex* mesh = mCaches.getRegionMesh(); 11643f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik uint32_t numQuads = 0; 11655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11663f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawWithTexture(); 11673f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColor(alpha, alpha, alpha, alpha); 11683f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilter(layer->getColorFilter()); 11693f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawBlending(layer); 11703f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawProgram(); 11713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawDirtyRegionsDisabled(); 11723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawPureColorUniforms(); 11733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilterUniforms(layer->getColorFilter()); 11743f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawTexture(layer->getTexture()); 11753f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (currentTransform()->isPureTranslate()) { 11763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 11773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 11793f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_NEAREST); 11803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_LINEAR); 11843f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rect.left, rect.top, rect.right, rect.bottom); 11863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11873f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 11885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11893f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik for (size_t i = 0; i < count; i++) { 11903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* r = &rects[i]; 11913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11923f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u1 = r->left * texX; 11933f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v1 = (height - r->top) * texY; 11943f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u2 = r->right * texX; 11953f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v2 = (height - r->bottom) * texY; 11965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11973f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // TODO: Reject quads outside of the clip 11983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 11993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 12003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 12013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads++; 12043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads >= gMaxNumberOfQuads) { 120634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 120734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads = 0; 12093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik mesh = mCaches.getRegionMesh(); 12105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads > 0) { 12143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 12153f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik GL_UNSIGNED_SHORT, NULL)); 12163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik drawRegionRectsDebug(layer->region); 12205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->region.clear(); 12235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1226e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 12273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 124476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 124576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 124776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1250e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 125276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 126576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1270f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1273f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1279f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1281f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12821bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12831bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12841bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12851bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1286d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 12871bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12881bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12891bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12901bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12954063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1296448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1297448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1298448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1299448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 13003380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1301448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1302448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1303448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1304448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1305448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1306448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1307448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1308448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1309448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 131054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 131154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 131254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1314d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 131562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("clearLayerRegions"); 131654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 131854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 131954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 132154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 132254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13238a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1325448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 132654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 132754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 132954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 133054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 133454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 133554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 133754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1338e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1339e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1340e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1341e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 134254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 134376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 134476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 134576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 134654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 134754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 134876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 134954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 135054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13514063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 135354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13558a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13568a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 135754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1361e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 136254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 136354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 136454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1365bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1366c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1367c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1368c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1369ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1370d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1371d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1372c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1373ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1374ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1375ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1376d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 137728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13785e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13795e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13805e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13815e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1382d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1383ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1384ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1385ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 138628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1387a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1388d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 138928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 139028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1391d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1392d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1393d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1394d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 139528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 139628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1397ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1398d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1399d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1400d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1401d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1402c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1403ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1404ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1405527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1406527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1407d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1408c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1409c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14107273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14117273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1412d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 14137273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1414d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1415deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1416deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1417deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1418c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1419c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1420c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1421527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 142214e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 14237273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 142414e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1425deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = state.mRoundRectClipState; 1426ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1427527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 142828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 142928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1430ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1431ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1432c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1433c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 143428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 144028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 144128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 144228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 144328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 144428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 144514e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 144628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1447527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 144828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1449527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1450527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1451c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1452f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1453f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1454f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1455bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1456d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1457e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14588f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1459a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (mCaches.setScissor(clip.left, getViewportHeight() - clip.bottom, 14608a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14618a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14628a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14639d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14649d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1470d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1477c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1478c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1479c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1480c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1481c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14828d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14833bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1485c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1486f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1492d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 149362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - enabling"); 149462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1503deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // Clear and update the stencil, but first make sure we restrict drawing 15048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1511deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1512deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1513deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1514deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 15158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 151676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 151798d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik paint.setColor(SK_ColorBLACK); 151876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 151976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 152676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 1527deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (resetScissor) mCaches.disableScissor(); 1528deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15313ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15323ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15333ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15343ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 153576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 153676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 153776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15383ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 154062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - disabling"); 15418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1546f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1547f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1548f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1549f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1550f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1551f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1552f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1553d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1554f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15555e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1556f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1557cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1558f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1559f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1560f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1561f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1562cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1563cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1564deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1565deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1566deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, 1567deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1568dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1569dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1570dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1571f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik // not quick rejected, so enable the scissor if clipRequired 1572f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1573f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mSkipOutlineClip = !roundRectClipRequired; 157439a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1575c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1576c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1578735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1579f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 158076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 158176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 158276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 158376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1587735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1588f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 158970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 159070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::setupDraw(bool clearLayer) { 1593f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 15948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 159562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) clearLayerRegions(); 15968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1598b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1599b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1600b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1601b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 160262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 160362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) { 160462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik setStencilFromClip(); 160562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 160662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // While clearing layer, force disable stencil buffer, since 160762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // it's invalid to stencil-clip *during* the layer clear 160862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik mCaches.stencil.disable(); 160962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } 161070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16113ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16133ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 161570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 161670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 161770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 161870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16193ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16203ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16213ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16223ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16233ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16243ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 162578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 162678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 162770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 163170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 163270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1634ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1635ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1636ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1637ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1638ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1639ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1640aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1641aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1643aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 164415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1645ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 164615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 164715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1648710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 164999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 16505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1654886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1655886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1656886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1658e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 165970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 166070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 166186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 166286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1663886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1664886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1665886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 166686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1667e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 166886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 166986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16704121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16714121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16724121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16734121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 167470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 167670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1680e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 168170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1683d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 1684d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader != NULL) { 1685d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 168670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 168976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 169076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 169176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 169276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 169376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 169476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 169576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 169676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 169776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 169876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 169976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 170070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 170170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1703f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1704f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1705f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1706f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 170754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1708f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1709f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1710f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 1711d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIstatic bool isBlendedColorFilter(const SkColorFilter* filter) { 1712d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (filter == NULL) { 1713d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return false; 1714d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1715d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0; 1716d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III} 1717d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 171876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 171976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1720f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1721f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1722f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1723d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 172476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 1725d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter()); 1726c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 172770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 173076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1731f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1732f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1733f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1734c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1735d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 1736d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III isBlendedColorFilter(getColorFilter(paint)); 1737c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 174170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1742deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1743deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1744deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* state = mSnapshot->roundRectClipState; 1745af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik const Rect& innerRect = state->innerRect; 1746deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1747af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.left, innerRect.top, 1748af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.right, innerRect.bottom); 1749deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 1750af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik state->radius); 1751deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1752deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 1753deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 175770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 175870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1762e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 17634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1764e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 176570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 176786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1768a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1769a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.currentProgram->set(mSnapshot->getOrthoMatrix(), mModelViewMatrix, transformMatrix, offset); 1770a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1771a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1772a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1773a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1774a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1775a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 177686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 177770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1779d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 1780d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 178170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 178270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 178370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17865536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 178786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17895536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17905536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 1791d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 1792d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader == NULL) { 1793d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return; 1794d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1795d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1796d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (ignoreTransform) { 1797d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 1798d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // because it was built into modelView / the geometry, and the description needs to 1799d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // compensate. 1800d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mat4 modelViewWithoutTransform; 1801d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 1802d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 1803d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 180470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1805d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1806d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 180770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 181076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 181276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 181576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 181676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 181776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 181876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 181976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 182076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 182176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 182276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 182376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 182476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 182576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 182776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 182876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 183076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 183176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 183276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 183376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 183476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 183676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 183776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 183876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 183976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 184076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 184176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 184276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 184476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 184576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 184676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 184770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 184876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 185070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18524121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18534121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18544121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18554121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 185670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1857f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1858cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 185915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 186070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1863257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18642d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 186515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 186670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1868aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1869aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18702d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 187115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1872aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1873aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18768f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18778f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18788f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1879aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1880aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1881aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1882aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1883564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1884564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1885f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1887f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 188870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1889f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 189070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1891d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1892cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 189315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1894cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 189515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 189615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 189715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 189815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 189915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1900564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1901564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1902ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1903ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1904ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1905ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1906ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1907ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1908ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1909ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1910ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1911ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1912ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1913ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1914ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1915ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1916ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1917ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1918564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1919564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 192963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 19303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1931cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 193215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1933cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 193570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 193670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1937448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1938f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 193963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1940cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1944f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1945f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1946f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1947a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craikstatus_t OpenGLRenderer::drawRenderNode(RenderNode* renderNode, Rect& dirty, int32_t replayFlags) { 194858d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19490fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19500fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 1951a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (renderNode && renderNode->isRenderable()) { 1952f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1953a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->computeOrdering(); 1954d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 195558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1956ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1957a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->replay(replayStruct, 0); 195858d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1959c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1960c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 196128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1962d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1963ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1964a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->defer(deferStruct, 0); 196596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 196696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 196758d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 196896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1969f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19700fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19717b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19723a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // Even if there is no drawing command(Ex: invisible), 19733a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // it still needs startFrame to clear buffer and start tiling. 19743a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen return startFrame(); 19750fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19760fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1977d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1978886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1979886b275e529e44a59c54b933453d9bc902973178Romain Guy 1980a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1981a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1982a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1983886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1984886b275e529e44a59c54b933453d9bc902973178Romain Guy 1985a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1986d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1987d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1988d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1989a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1990a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1991886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1992886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 199367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 19945b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1995e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 1998886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 199976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2001a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2002a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 200303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 200403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 200503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 200603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 200703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2008d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2009d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 2010d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 2011527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 201255b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2013527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2015527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2016527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2017527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 201867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 2019527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2020527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2021527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20221103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2023527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20254063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20264063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2027527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2028527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20304063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20314063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2032527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2033527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2034527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2035527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2036527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2037d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, float left, float top, 2038d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 20396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 20406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 20416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2042f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2043486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2046a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2048486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 205022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20511103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2052a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2053a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2054a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2055a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2056486590963e2207d68eebd6944fec70d50d41116aChet Haase 2057486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2060139088228faa7f3c446af7387e017933998a5570Derek Sollenbergerstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkMatrix& matrix, 2061d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2062f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2063139088228faa7f3c446af7387e017933998a5570Derek Sollenberger const mat4 transform(matrix); 2064f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2065f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2066f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(r.left, r.top, r.right, r.bottom)) { 2067486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2070a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2072486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 207322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 207422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 20765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 20775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 20785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 20791103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2080886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2081886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2082886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2083886b275e529e44a59c54b933453d9bc902973178Romain Guy } 20845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2085486590963e2207d68eebd6944fec70d50d41116aChet Haase 2086486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2087f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2088f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2089d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, float left, float top, 2090d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2091e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2092e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2093e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2094f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2095486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2096e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2097e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2098e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2099e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2100e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2101e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 21021103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2103886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2104886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2105886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2106886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2107486590963e2207d68eebd6944fec70d50d41116aChet Haase 2108486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2109e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2110e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2111d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2112d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2113d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2114486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 211739a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 211839a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 211939a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2120b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2121b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2122b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2123b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2124b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2125a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2126b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2127564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2128564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2129564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2130ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2131ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2132ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2133ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2134d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2135d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2136d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2137ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2138ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2139a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2164ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2165ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2166ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2168ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2169ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2170ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2171b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2172a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2173a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2174a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2175a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2179f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2180ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2181a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2182a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2183a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2184ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2190ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2191a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2192a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2193a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 219467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2195a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2196a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2197a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2198a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2199a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2200ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2201ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2202a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2203d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2204b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2205b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2206ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2207ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2208ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 220976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 221076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2211ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2212ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 22134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2214ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2215ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 221676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 22173380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2218ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2219ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2220ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2221ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2222ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2223ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2224ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2225ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2226ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2227486590963e2207d68eebd6944fec70d50d41116aChet Haase 2228486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 22305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2231d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 22328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 22338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2234d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2235f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2236486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2239a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2241486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 224222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2246c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2253c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 225403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2257d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2258d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2259886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2260886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2262886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2264886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2265886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2266d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2267886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2268b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2269d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2270d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2271d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2272886b275e529e44a59c54b933453d9bc902973178Romain Guy 2273886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2274886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2275886b275e529e44a59c54b933453d9bc902973178Romain Guy 2276886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2277886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2278886b275e529e44a59c54b933453d9bc902973178Romain Guy 227967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2280886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 228267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2283886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2284886b275e529e44a59c54b933453d9bc902973178Romain Guy 2285886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2286886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2287886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2288886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2289886b275e529e44a59c54b933453d9bc902973178Romain Guy 2290886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2291886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2292886b275e529e44a59c54b933453d9bc902973178Romain Guy 2293886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2294886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2295886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2296886b275e529e44a59c54b933453d9bc902973178Romain Guy 22971103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2298886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 229976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 23003380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2301886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2302886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2303886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 230476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 23053380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2306886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2307886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2308886b275e529e44a59c54b933453d9bc902973178Romain Guy 2309886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2310886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 23116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2314486590963e2207d68eebd6944fec70d50d41116aChet Haase 2315486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2316ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2317ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2318d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2319d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2320f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 23214c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 23224c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 23234c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 23244c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 23254c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 23264c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 23274c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 232803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2329be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2330be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2331d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2332d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2333d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2334f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2335486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2338211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2339a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2340a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2341a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2342a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2344a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2345a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2346a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2347d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23498168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2350d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2351d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23548ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2355211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2356c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2357c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2358c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2360c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2361d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2367211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2368d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2369d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23744063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23754063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 237776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 237876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23794063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23804063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2381054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2382486590963e2207d68eebd6944fec70d50d41116aChet Haase 2383486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2384f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2385f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 238603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 238703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 238803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 238903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 239003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2391d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2392d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 239303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 239403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 239503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 239603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 239703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 239803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 239903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 240003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 240176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 240276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 24034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 240403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 240503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 240603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 240703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 240805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 240963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui const VertexBuffer& vertexBuffer, const SkPaint* paint, bool useOffset) { 24104063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 24116d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2412bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 241365cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2414bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2415bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 24160d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik Rect bounds(vertexBuffer.getBounds()); 24170d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik bounds.translate(translateX, translateY); 241805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 241905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 242065cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 242165cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 242265cd612face362d054a85d0f7e5881c59cd523beChris Craik 2423710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2424710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2425710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2426710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 242776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2428d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 242976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2430710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 243105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik setupDrawModelView(kModelViewMode_Translate, useOffset, translateX, translateY, 0, 0); 2432d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 243376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2434d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2435858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 243655bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2437710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2438cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2439710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 244063d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 24416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2442710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2443710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2444710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2445710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2446710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24476ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24486ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2449710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24506ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 245105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 245205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 245363d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 245463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 245505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 245650ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 245750ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 245805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 245963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 246050ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 246163d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2463710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24646ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 246504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 246665cd612face362d054a85d0f7e5881c59cd523beChris Craik 246765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2468858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2469858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2470858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 247165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 247265cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 247365cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 247465cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 247565cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 247665cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247765cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 247899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2479d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 248065cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 248165cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2482d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 248305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(vertexBuffer, paint); 248465cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248665cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 248765cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 248865cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 248965cd612face362d054a85d0f7e5881c59cd523beChris Craik * 249065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 249165cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 249265cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 249365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 249465cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 249565cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 249665cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2497d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2498d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 250065cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 25017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 250265cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 250305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 250405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2505d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 250605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2507d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2508d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2509d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 251065cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 251105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(buffer, paint, useOffset); 25125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 25135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2514d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2515d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2516ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25176d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 25187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 25196d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 252005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 25217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 252205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 252305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 25246d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2525ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2526ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25276d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 252805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(buffer, paint, useOffset); 2529ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2530ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2531486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2532e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2533d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2534e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2535d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2536ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 253770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 253876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 253976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 254076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 254176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 254276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2543486590963e2207d68eebd6944fec70d50d41116aChet Haase 2544486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2545c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2547486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2548d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2549486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 255001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 255101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 255201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 255301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 255401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 255501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2556486590963e2207d68eebd6944fec70d50d41116aChet Haase 2557486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 255801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 255901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2560486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2561d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2562d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2563257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2564710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2565710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 256601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2567cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2568710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2569c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2570710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2571710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2572710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2573710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 25746ac174b97246ed40fe780b29561603b61770fa17Chris Craik const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect( 25756ac174b97246ed40fe780b29561603b61770fa17Chris Craik *currentTransform(), *p, right - left, bottom - top, rx, ry); 257605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(left, top, *vertexBuffer, p); 2577c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 257801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2579d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2580d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(x - radius, y - radius, 2581257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2582257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2583710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2584710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2585cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2586710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2587c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2588710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2589710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2590710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2591710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2592cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2593cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2594cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2595cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2596cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 259765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2598c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 259901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2600486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2601d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2602d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2603257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2604710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2605710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 260601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2607cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2608710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2609c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2610710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2611710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2612710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2613710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2614710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2615cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2616cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2617cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2618710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 261965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2620c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2621c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2622486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2623d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2624d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2625257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2626780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2627780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 26288b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2629780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 263065cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2631780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2632c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2633780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2634780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2635780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2636780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2637780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2638780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2639780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2640780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2641780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2642780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2643780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2644780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2645780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2646780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2647780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2648780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2649780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 265065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26518b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26528b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2653cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2654cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2655cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2656d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2657d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2658d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2659257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2660486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2663710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2664cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2665cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2666cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2667cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2668cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2669c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2670cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2671cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2672cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2673cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2674cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2675cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2676cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2677cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2678cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 267965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2680026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2681026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2682d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2683710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2684710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 268565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2686858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 268776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 268865cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2689858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2690c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26919d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2692d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2693d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 269476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2695416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2696416a847633680d94efb926837efdc18726d54918Raph Levien 2697c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2698c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2699c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2700c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2701c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2702416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2703416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2704416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2705416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2706c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2707cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2708cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2709cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2710416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2711416a847633680d94efb926837efdc18726d54918Raph Levien 2712c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2713c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2714416a847633680d94efb926837efdc18726d54918Raph Levien 2715c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha; 2716d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 2717c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2718416a847633680d94efb926837efdc18726d54918Raph Levien } 2719416a847633680d94efb926837efdc18726d54918Raph Levien 2720416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2721416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2722c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 272376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2724d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 272576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2726416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 27274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 27284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2729416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2730416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 273176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2732d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2733416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2734416a847633680d94efb926837efdc18726d54918Raph Levien 2735416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2736416a847633680d94efb926837efdc18726d54918Raph Levien} 2737416a847633680d94efb926837efdc18726d54918Raph Levien 2738768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2739c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2740768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2741768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2742768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2743486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2744d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2745d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2746486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2747eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2748eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2749671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2750d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2751486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2753671d6cf460531825a321edb200523d0faa7792c9Romain Guy 275439a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 275539a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2756671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2758d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2759671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2760d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2761d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2762671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2763671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2764b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 276559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2766671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2767671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2768671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2769671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2770671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2771c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2772e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 277376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2774416a847633680d94efb926837efdc18726d54918Raph Levien } 2775416a847633680d94efb926837efdc18726d54918Raph Levien 2776671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2777d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2778671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2779671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2780671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2781257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2782671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2783671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2784671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2785671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2786211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2787671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27881e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2789671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2790257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2791671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2792671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2793d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2794671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2795671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2796671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2797671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2798486590963e2207d68eebd6944fec70d50d41116aChet Haase 2799486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2800eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2801eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 280259744b79ec302000802cd56d30a1bf70f0183c80Chris Craikbool OpenGLRenderer::findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const { 2803624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 280459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 280559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return false; 280659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } else if (CC_UNLIKELY(transform.isPerspective())) { 280759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 280859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return true; 280959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } 281059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 281159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik /** 281259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Input is a non-perspective, scaling transform. Generate a scale-only transform, based upon 281359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * bucketed scale values. Special case for 'extra raster buckets' - disable filtration in the 281459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * case of an exact match, and isSimple() transform 281559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik */ 281659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float sx, sy; 281759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik transform.decomposeScale(sx, sy); 281859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 281959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float bestSx = roundf(fmaxf(1.0f, sx)); 282059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float bestSy = roundf(fmaxf(1.0f, sy)); 282159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool filter = true; 282259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 282359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik for (unsigned int i = 0; i < mCaches.propertyExtraRasterBuckets.size(); i++) { 282459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float bucket = mCaches.propertyExtraRasterBuckets[i]; 282559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik if (sx == bucket && sy == bucket) { 282659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bestSx = bestSy = bucket; 282759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik filter = !transform.isSimple(); // disable filter, if simple 282859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik break; 2829624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 283059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 283159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik if (fabs(bucket - sx) < fabs(bestSx - sx)) bestSx = sx; 283259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik if (fabs(bucket - sy) < fabs(bestSy - sy)) bestSy = sy; 2833624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 283459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 283559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setScale(bestSx, bestSy); 283659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return filter; 2837624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2838624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 283941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2840d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2841527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2842527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2843527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 284428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 284528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2846d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2847f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 284828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 284928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2850cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2851cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28523a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28533a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2854624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2855d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2856624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2857c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2858211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2859624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2860624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 286386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 286486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 286586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28669d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2867c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2868c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2869c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 287059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2871c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 287276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 287519d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 287619d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2877624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2878624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2879624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2880624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2881624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2882624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2883624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2884624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2885624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2886624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2887624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 288859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik SkMatrix fontTransform; 288959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool linearFilter = findBestFontTransform(transform, &fontTransform) 289059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(y - (int) y) > 0.0f 289159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(x - (int) x) > 0.0f; 28923b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2893257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 289406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2895624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2896d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 289741541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2899996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 29001e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2901527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2902527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2903527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2904a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 29058b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 29068b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 29078b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 290841541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2909996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 29108b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 291141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2912996e57c84368058be793897ebc355b917a59abc2Raph Levien } 29134ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2914527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2915624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 291641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2917a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 291841541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 29195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2920694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2921e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2922486590963e2207d68eebd6944fec70d50d41116aChet Haase 2923486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2924694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2925694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2926d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2927d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2928d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2929486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 293003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 293103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 293239a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 293339a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 293439a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2935b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 293659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2937257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 293803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 293903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 294003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 294103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29421e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 29439777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29449777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29459777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 294603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29479777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29489777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29499777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29501e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 29519777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2952d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29539777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29549777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29559777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2956486590963e2207d68eebd6944fec70d50d41116aChet Haase 2957486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2958325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2959325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2960d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2961d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2962dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2963a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29647fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2965fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2966486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 296722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29687fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29698b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29708b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29718b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 297201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2973486590963e2207d68eebd6944fec70d50d41116aChet Haase 2974486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29757fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29767fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2977a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 297835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2979486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29806c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29816c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2982b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2983b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2984b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2985b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 29863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 298714e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2988b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2989b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2990b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 299139a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2992f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2993deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, NULL, false); 29944ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 299535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2996b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2997b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2998b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 299935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 300035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 300135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 300262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("drawLayer," RECT_STRING ", clipRequired %d", x, y, 300362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), clipRequired); 300462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 30055bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 30062bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 300739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 3008a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30096c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3010211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 3011c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 301234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 301334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 3014c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 301576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 301616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 3017c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 3018c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 30198168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 302076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 302176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 3022c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 3023c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 302476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 30259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 3026d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3027d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 3028d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 30299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3030d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 30314063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 30324ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 30339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3034d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 30354063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 30369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 30379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3038c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3039448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3040448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3041448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3042448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3043448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3044448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 30453380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 3046448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3047448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3048448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3049448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3050448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3051448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3052448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3053448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3054c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3056e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3058c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30594ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30605bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30615bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 306276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 306376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 306476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 306576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30664ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3067f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 306834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3069486590963e2207d68eebd6944fec70d50d41116aChet Haase 3070b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3071b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3072b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3073b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3074486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30766c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30785ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3082527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3083527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3084c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3085527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3086527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3090c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3091c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3092c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3095d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3096758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3097758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3098758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 30995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 31015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3103c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3104c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 31055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 31075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 31106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 31116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 31126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3113d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 31143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 31153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 31163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 31173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 31183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 31193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 31203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 312101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3122d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3123f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 312401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 312501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 312601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 312701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 312801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 312901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 313001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 313101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 313201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 313301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 313476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3135d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 313676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 313701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 31384063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 31394063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 314001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 314101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 314276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3143d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 314401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 314501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 314601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 314701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 314801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3149f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3154d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3155d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3159726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3161211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3162726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3163f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31658b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3167e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3168f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3169f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3170f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3171f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3172f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3173e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3174e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3178e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3179e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3180e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3181e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3186e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3187e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3188e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3189e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3191e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3192726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3193e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3194726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3199d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3200d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3201672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3202672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3203672433d90fab7383cd28beac9d4485b566a90940Romain Guy 320476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3205735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3206735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3207b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craikstatic void mapPointFakeZ(Vector3& point, const mat4& transformXY, const mat4& transformZ) { 3208b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map z coordinate with true 3d matrix 3209b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik point.z = transformZ.mapZ(point); 3210b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 3211b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map x,y coordinates with draw/Skia matrix 3212b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik transformXY.mapPoint(point.x, point.y); 3213b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik} 3214b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 321505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawShadow(float casterAlpha, 321605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3217d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3218f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 321915a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3220f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3221f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3222f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3223ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3224f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3225058fc640017c90120c599d378a4cbc55668b05b7Chris Craik if (ambientShadowVertexBuffer && mAmbientShadowAlpha > 0) { 3226058fc640017c90120c599d378a4cbc55668b05b7Chris Craik paint.setARGB(casterAlpha * mAmbientShadowAlpha, 0, 0, 0); 322705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint); 3228ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3229ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 3230058fc640017c90120c599d378a4cbc55668b05b7Chris Craik if (spotShadowVertexBuffer && mSpotShadowAlpha > 0) { 3231058fc640017c90120c599d378a4cbc55668b05b7Chris Craik paint.setARGB(casterAlpha * mSpotShadowAlpha, 0, 0, 0); 323205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint); 3233ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 32347b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 32357b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3236f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3237f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 323876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 323976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32403b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32413b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32423b753829ae858d424fe109f714745379a6daf455Romain Guy } 3243735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 324476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 324576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 3246d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 324776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 324876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 324976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3250672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3251672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3252672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3253672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3254672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3255448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3256672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3257672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32582af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3259672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3260672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3261672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3262672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3263672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32643b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32653b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32663b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32673b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3268672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32693b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32703b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32713b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32723b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3273672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3274672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3275f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3276a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3277a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3278672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3279672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3280672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3281d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3282d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 328376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 328476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3285672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3286672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 32874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 32884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3289d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3290d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 329176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3292672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3294d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3295672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3296672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3298672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3299672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3300672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3301672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3302026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 330376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 330476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3305d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3306d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 3307d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3308d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3309d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 331070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 331115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3312d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3313d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 331476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 331576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 331670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 33174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 33184063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 3319d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3320d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 332176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 332270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3323c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3324c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3325c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3326c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 332782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3328d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3329d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 33308164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 33313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 33323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 33333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33353380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 33363380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 33373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3344d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3345d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3346d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3348d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 335076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 335367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 335476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 336185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 336285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3363f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 336476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33656820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33674063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33688694230ff25fa0a60e480d424843e56b718f0516Romain Guy 336976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 337076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 337176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 337276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 337376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 337470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 337570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 337670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 337776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 337876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 337970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3380886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33814063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3382886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 338386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 338476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 338570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3386db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33876820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 338882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 338982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 33903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 339176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33934063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33944063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 339676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 339776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 339876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 339976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 340076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 34013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 340476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 340576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 34063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 34073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34084063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 34093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 34103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 341176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 34123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 34133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 34153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 34163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3417886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 341876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3419886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34204063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3421886b275e529e44a59c54b933453d9bc902973178Romain Guy 342276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 342376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 342476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 342576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 342676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3427886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3428886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 342976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3430886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3431886b275e529e44a59c54b933453d9bc902973178Romain Guy } 343276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3433d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 343476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3435886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3436886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34374063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3438886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3439886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 344076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3441d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3442886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3443886b275e529e44a59c54b933453d9bc902973178Romain Guy 3444886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3445886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3446886b275e529e44a59c54b933453d9bc902973178Romain Guy 3447a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3448f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3449deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3450deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mSnapshot->roundRectClipState != NULL /*&& !mSkipOutlineClip*/) { 3451deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3452deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3453deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3454deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3455deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 345678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 345778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 345878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 345978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 346078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 346178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 346278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 346378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 346478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 346578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 346678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 346778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 346878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 346982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3470c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 347182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 347282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 347382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 347482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 347582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 347682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 347733fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34783bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3479a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3480f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3481a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 348282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 348382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 348482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 348582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 348682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 348782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 348882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 348982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3490a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 349182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 349282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 349382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 349482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 349582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 349682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 349782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 349882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 349982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 350082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 350182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 350282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 350382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 350482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3505fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 350682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 350782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3508fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3509bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3510bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3511889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3512d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3513fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3514d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3515fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 35166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3517260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 35186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3519260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3520260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3521026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3522ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 352382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 352482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 352582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 352682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 35278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 35288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3529d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3530be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 353116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 353216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 353387b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 353416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3535d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3536026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3537026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 353876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 353916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 354016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 354116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 354216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 354316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 354416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3545d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 354616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 354716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35489d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3549e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3550