OpenGLRenderer.cpp revision 05f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5
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> 240fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III#include <SkShader.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 35c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 37405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy#include "Fence.h" 3865cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 4055bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "ShadowTessellator.h" 410fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III#include "SkiaShader.h" 42e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik#include "utils/GLUtils.h" 43a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 4455bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "VertexBuffer.h" 45e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 46e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 479d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 489d5316e3f56d138504565ff311145ac01621dff4Romain Guy 499d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy 53759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 54759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 55759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 56f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 57dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 5867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craikstatic GLenum getFilter(const SkPaint* paint) { 5967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) { 6067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_LINEAR; 6167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik } 6267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_NEAREST; 6367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik} 64d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 659d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 669d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 679d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 689d5316e3f56d138504565ff311145ac01621dff4Romain Guy 69889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 70889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 71889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 72889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 73889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 74889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 75889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 76889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 77889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 79026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 80026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 862ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 882ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 94d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 96026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 97e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 9887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 9987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 10087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 101f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 1072ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1082ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1092ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1112ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1122ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1132ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1142ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 115d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1162ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 117f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 118f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 119f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 120448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 121448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 122448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 123448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 124448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 125448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 126448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 127448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 128448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 129f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 130f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 131f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1323bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1333bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 134527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 135527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 13616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 137026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 138ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 139ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 14096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 14178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = false; 14287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 14387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 144e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 145e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 14685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 14729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 14829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 149e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 150e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 15287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 15387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 15487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 15587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 15687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 15787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 15887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 15987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 16013631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 16113631f3da855f200a151e7837ed9f6b079622b58Romain Guy 16213631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 163f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 164f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 165f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 166797b95b26bbb7557678af78b9a2a61830158920fChris Craikvoid OpenGLRenderer::onViewportInitialized() { 16735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 16835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 17135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 17235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 174c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 175fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 176fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 17714e513058ed4168c94e015638d16f5f87fd8063aChris Craik initializeSaveStack(left, top, right, bottom); 17896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1795f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 18096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 181ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 18396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 18496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 18511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 18696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 18796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 18896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 18945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 19014e513058ed4168c94e015638d16f5f87fd8063aChris Craik glViewport(0, 0, getWidth(), getHeight()); 1917d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 19254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 19354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 19454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 19554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 19654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 197d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 1982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1997c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2007c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 20196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 20296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 20396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 20496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 20596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 20696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 20778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 20896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 20996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 21096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 21196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 21296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 21396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 214d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 21596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 21696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 21796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 21896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 21996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 22096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2227c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2237c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 224dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 225dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 226dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 227dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2283bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 22914e513058ed4168c94e015638d16f5f87fd8063aChris Craik left <= 0.0f && top <= 0.0f && right >= getWidth() && bottom >= getHeight()) { 230f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 231f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 232f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 233f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 234dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 235dcfc836b457a87881da409e1acf251515f121446Romain Guy } 236dcfc836b457a87881da409e1acf251515f121446Romain Guy} 237dcfc836b457a87881da409e1acf251515f121446Romain Guy 2387c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 23978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 240586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 241a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(left, getViewportHeight() - bottom, right - left, bottom - top); 2426b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 24344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 244ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 24544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2467c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 24744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 248ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 249ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 250ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 251ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 252ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 253ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 254ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2556b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 256bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 257bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 258d6b65f67717025b1162f86f04e2caa5723566cacChris Craikvoid OpenGLRenderer::startTilingCurrentClip(bool opaque) { 25954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 260d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 261d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 26214e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 263d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 264d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 26554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 26654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 267a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik startTiling(*clip, getViewportHeight(), opaque); 268c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 269c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 270c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 271c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 272c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 273c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 27452036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2752b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2782b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 27954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2802b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2812b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 282b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2837c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2842b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2852b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 286ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 287ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 288ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 289ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 29005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik mCaches.tessellationCache.trim(); 291ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 292ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 29311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 294b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 295e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik GLUtils::dumpGLErrors(); 296b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 29711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 298c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 299e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 30011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 30111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 30211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 30311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 304c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 30511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 30696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 30778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 30878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 30978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 31078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 31196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 312b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 313b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3146c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 315da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 316da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 317da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 318da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 319da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 320da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 3219ab2d1847552aa4169b4325aae1b1368d6947a9fChris Craik mCaches.resetActiveTexture(); 32250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 32315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 324f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 325ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 3267c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 327da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 328da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3296c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 330d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 331a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glViewport(0, 0, getViewportWidth(), getViewportHeight()); 332d6b65f67717025b1162f86f04e2caa5723566cacChris Craik glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3337c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 33435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3353e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3363e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3378025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 338586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 33982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 340746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 341da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 342a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 3438aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.resetBoundTextures(); 34450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 34550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 34650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 34750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 34850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 349da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 350da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 35135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 352a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glViewport(0, 0, getViewportWidth(), getViewportHeight()); 353a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glBindFramebuffer(GL_FRAMEBUFFER, currentSnapshot()->fbo); 3547c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 35535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 35735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 35835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 35935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3608f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 361d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 362408eb12631376cbdc96803e918decf6ea804d346Chris Craik 363d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 36480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 36580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 366d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 367d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 368d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 369d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 370d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 371d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 37208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 37308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 37408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 37508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 37608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 37708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 378a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.width = getViewportWidth(); 379a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.height = getViewportHeight(); 380d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 38180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 38225d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck bool dirtyClip = mDirtyClip; 38354f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 38454f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 38554f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 38654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 38725d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck if (mCaches.enableScissor() || dirtyClip) { 38825d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 38925d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 39054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik interrupt(); 39154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 39254f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // call functor immediately after GL state setup 393750ca6dbdb259aea0ca5b77380a9303e586ef3eaJohn Reck (*functor)(DrawGlInfo::kModeDraw, &info); 394cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 395daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 396750ca6dbdb259aea0ca5b77380a9303e586ef3eaJohn Reck return DrawGlInfo::kStatusDrew; 397daf98e941e140e8739458126640183b9f296a2abChet Haase} 398daf98e941e140e8739458126640183b9f296a2abChet Haase 399f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 40087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 40187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 40287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 4030f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4040f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4050f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4060f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 40787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 40887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 40987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 41287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 41387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 41687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 42687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 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) { 47796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && 478087bc0c14bdccf7c258dce0cdef46a69a839b427John Reck layer->displayList.get() && layer->displayList->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(); 53196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, 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(); 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, 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) { 623a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glViewport(0, 0, 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); 7948550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(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 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 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 868d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 871586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8728f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 88614e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 88714e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8883762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 89214e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 89414e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 895eb99356a0548684a501766e6a524529ab93304c8Romain Guy 89639a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 897f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 898deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, NULL, false); // safely ignore return, should never be rejected 89939a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 90039a908c1df89e1073627b0dcbce922d826b67055Chris Craik 901eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 904e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 905e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 9068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 9088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 909eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 91014e513058ed4168c94e015638d16f5f87fd8063aChris Craik glBindFramebuffer(GL_FRAMEBUFFER, restored.fbo); 9117c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 9122b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 913d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 914eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 915eb99356a0548684a501766e6a524529ab93304c8Romain Guy 9169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 91776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 91876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 91976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 92076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 92176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 92276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 9235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 9249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 925f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 926f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 92703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 9288b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 929a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 933eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 93414e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 938a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 939a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 940a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 941a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 942a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 9439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 944a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 945eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9461d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 947746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 948746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 949eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(NULL); 9518550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 953603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9551d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9561d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 957aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9582458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 959aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 960aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 967aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 96876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 96976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 97276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9778f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 978d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9799757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 980ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 981ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 982d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 983d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 985d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9864063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 989d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9904063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9914063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9943380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 995aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 996aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 997aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 998aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 10009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 1001aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1002aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1003aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 10045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 10069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 1007d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 1008ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1009b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1010b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1011b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 1014d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1015d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 10169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1018d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 10199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1020d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 102376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 102476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 102576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 102676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 102776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 102876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 103076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10313380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1034aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1035aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1036aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1037aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1038aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1039aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 104234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 104334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 104434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 104534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 104634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 104734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 104834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 104934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 105134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 105234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 105434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 105534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 105634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 105734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 105834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 10590fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 10600fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 10610fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIclass LayerShader : public SkShader { 10620fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIpublic: 10630fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 10640fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III : INHERITED(localMatrix) 10650fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III , mLayer(layer) { 10660fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10670fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 10680fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III virtual bool asACustomShader(void** data) const { 10690fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (data) { 10700fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III *data = static_cast<void*>(mLayer); 10710fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10720fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III return true; 10730fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10740fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 10750fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III virtual bool isOpaque() const { 10760fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III return !mLayer->isBlend(); 10770fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10780fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 10790fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIprotected: 10800fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 10810fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 10820fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10830fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 10840fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III virtual void flatten(SkWriteBuffer&) const { 10850fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 10860fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10870fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 10880fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III virtual Factory getFactory() const { 10890fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 10900fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III return NULL; 10910fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 10920fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIprivate: 10930fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III // Unowned. 10940fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III Layer* mLayer; 10950fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III typedef SkShader INHERITED; 10960fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III}; 10970fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 10985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 10993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 11003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 11023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 11033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 11053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 11063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 11083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 11093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 11103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 11123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 11133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 11143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 11150fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 11160fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III paint.setShader(&layerShader); 11173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 11193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 11203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 11213f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 11223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11230fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III paint.setShader(NULL); 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11263f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 11273f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11283f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11319fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 113234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11383f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // standard Region based draw 11393f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik size_t count; 11403f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* rects; 11413f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Region safeRegion; 11423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = layer->region.getArray(&count); 11443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11463f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = safeRegion.getArray(&count); 11473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float alpha = getLayerAlpha(layer); 11503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texX = 1.0f / float(layer->getWidth()); 11513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texY = 1.0f / float(layer->getHeight()); 11523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float height = rect.getHeight(); 11535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDraw(); 11558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11563f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // We must get (and therefore bind) the region mesh buffer 11573f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // after we setup drawing in case we need to mess with the 11583f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // stencil buffer in setupDraw() 11593f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex* mesh = mCaches.getRegionMesh(); 11603f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik uint32_t numQuads = 0; 11615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11623f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawWithTexture(); 11633f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColor(alpha, alpha, alpha, alpha); 11643f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilter(layer->getColorFilter()); 11653f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawBlending(layer); 11663f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawProgram(); 11673f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawDirtyRegionsDisabled(); 11683f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawPureColorUniforms(); 11693f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilterUniforms(layer->getColorFilter()); 11703f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawTexture(layer->getTexture()); 11713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (currentTransform()->isPureTranslate()) { 11723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 11733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 11753f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_NEAREST); 11763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11783f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11793f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_LINEAR); 11803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rect.left, rect.top, rect.right, rect.bottom); 11823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 11845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik for (size_t i = 0; i < count; i++) { 11863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* r = &rects[i]; 11873f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11883f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u1 = r->left * texX; 11893f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v1 = (height - r->top) * texY; 11903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u2 = r->right * texX; 11913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v2 = (height - r->bottom) * texY; 11925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11933f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // TODO: Reject quads outside of the clip 11943f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 11953f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 11963f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 11973f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 11983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads++; 12003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads >= gMaxNumberOfQuads) { 120234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 120334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads = 0; 12053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik mesh = mCaches.getRegionMesh(); 12065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads > 0) { 12103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 12113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik GL_UNSIGNED_SHORT, NULL)); 12123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12153f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik drawRegionRectsDebug(layer->region); 12165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->region.clear(); 12195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1222e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 12233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 124076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 124176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 124376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1246e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 124876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 126176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1266f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1269f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1275f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1277f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12781bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12791bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12801bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12811bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1282d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 12831bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12841bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12851bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12861bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12914063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1292448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1293448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1294448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1295448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 12963380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1297448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1298448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1299448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1300448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1301448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1302448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1303448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1304448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1305448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 130654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 130754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 130854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 130954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 131154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 131254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 131454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 131654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13188a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 131954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1320448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 132154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 132254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 132554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 132754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 132954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 133054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1333e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1334e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1335e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1336e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 133754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 133976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 134076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 134154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 134254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 134376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 134454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 134554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13464063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13474063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 134854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13494063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13508a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13518a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 135254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 135354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 135454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 135554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1356e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 135754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1360bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1361c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1362c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1363c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1364ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1365d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1366d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1367c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1368ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1369ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1370ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1371d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 137228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13735e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13745e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13755e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13765e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1377d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1378ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1379ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1380ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 138128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1382a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1383d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 138428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 138528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1386d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1387d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1388d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1389d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 139028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 139128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1392ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1393d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1394d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1395d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1396d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1397c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1398ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1399ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1400527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1401527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1402d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1403c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1404c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14057273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14067273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1407d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 14087273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1409d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1410deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1411deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1412deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1413c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1414c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1415c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1416527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 141714e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 14187273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 141914e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1420deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = state.mRoundRectClipState; 1421ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1422527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 142328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 142428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1425ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1426ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1427c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1428c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 142928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 143028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 143128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 143228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 143328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 143428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 144014e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 144128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1442527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 144328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1444527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1445527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1446c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1447f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1448f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1449f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1450bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1451d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1452e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14538f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1454a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (mCaches.setScissor(clip.left, getViewportHeight() - clip.bottom, 14558a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14568a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14578a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14589d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14599d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1465d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1472c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1473c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1474c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1475c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1476c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14778d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14783bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1480c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1481f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1487d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1496deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // Clear and update the stencil, but first make sure we restrict drawing 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 14998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1504deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1505deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1506deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1507deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 15088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 150976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 151076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0xff000000); 151176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 151276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 151976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 1520deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (resetScissor) mCaches.disableScissor(); 1521deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15243ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15253ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15263ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15273ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 152876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 152976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 153076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15313ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 15338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1538f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1539f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1540f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1541f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1542f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1543f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1544f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1545d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1546f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15475e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1548f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1549cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1550f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1551f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1552f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1553f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1554cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1555cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1556deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1557deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1558deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, 1559deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1560dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1561dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1562dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1563b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik if (!isRecording()) { 1564f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // not quick rejected, so enable the scissor if clipRequired 156539a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1566deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = !roundRectClipRequired; 1567586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 156839a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1569c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1570c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1572735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1573d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!isRecording() && !currentSnapshot()->clipRegion->isEmpty()) { 157476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 157576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 157676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 157776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1581735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1582f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 158370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 158470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 158570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 158654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 1587f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 15888a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 158954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 15908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1592b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1593b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1594b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1595b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 15968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 15983ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16003ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 160170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 160270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 160370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 160470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 160570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16063ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16073ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16083ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16093ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16103ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16113ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 161278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 161378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 161470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 161570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 161670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 161770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 161870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 161970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1621ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1622ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1623ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1624ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1625ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1626ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1627aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1628aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1629aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1630aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 163115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1632ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 163315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 163415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1635710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 163699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 16375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16398d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1641886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1642886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1643886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1645e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 164886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 164986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1650886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1651886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1652886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 165386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1654e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 165586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 165686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16574121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16584121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16594121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16604121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 166270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 166370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 166470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 166570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 166670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1667e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 166870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 166970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16700fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 16710fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (shader != NULL) { 16720fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 167470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 167676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 167776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 167876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 167976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 168076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 168176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 168276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 168376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 168476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 168576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 168676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 168770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1690f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1691f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1692f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1693f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 169454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1695f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1696f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1697f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 16980fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIstatic bool isBlendedColorFilter(const SkColorFilter* filter) { 16990fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (filter == NULL) { 17000fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III return false; 17010fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 17020fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0; 17030fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III} 17040fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 170576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 170676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1707f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1708f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1709f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 17100fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 171176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 17120fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter()); 1713c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 171470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 171570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 171676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 171776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1718f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1719f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1720f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1721c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 17220fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 17230fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III isBlendedColorFilter(getColorFilter(paint)); 1724c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 172570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1729deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1730deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1731deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* state = mSnapshot->roundRectClipState; 1732deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const Rect& innerRect = state->outlineInnerRect; 1733deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1734deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik innerRect.left, innerRect.top, 1735deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik innerRect.right, innerRect.bottom); 1736deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 1737deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state->outlineRadius); 1738deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1739deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 1740deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 174170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 174470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 174570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17474063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1749e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 17504063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1751e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 175486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1755a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1756a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.currentProgram->set(mSnapshot->getOrthoMatrix(), mModelViewMatrix, transformMatrix, offset); 1757a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1758a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1759a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1760a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1761a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1762a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 176386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 176470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 176570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17660fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 17670fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 176870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 176970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 177070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 177286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17735536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 177486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17755536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17765536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17775536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 17780fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 17790fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (shader == NULL) { 17800fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III return; 17810fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III } 17820fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 17830fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (ignoreTransform) { 17840fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 17850fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III // because it was built into modelView / the geometry, and the description needs to 17860fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III // compensate. 17870fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III mat4 modelViewWithoutTransform; 17880fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 17890fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 17900fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 179170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17920fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III 17930fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 179470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 179676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 179776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 179876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 179976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 180076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 180176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 180276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 180376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 180476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 180576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 180676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 180776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 180876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 180976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 181076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 181276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 181576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 181776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 181876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 181976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 182076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 182176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 182376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 182476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 182576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 182676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 182776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 182876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 182976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 183176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 183276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 183376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 183470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 183576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 183770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18394121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18404121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18414121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18424121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 184370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1844f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1845cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 184615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 184770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 184970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1850257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18512d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 185215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 185370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1855aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1856aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18572d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 185815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1859aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1860aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1866aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1867aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1868aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1869aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1870564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1871564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1872f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1874f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 187570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1876f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 187770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1878d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1879cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 188015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1881cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 188215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 188315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 188415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 188515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 188615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1887564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1888564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1889ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1890ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1891ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1892ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1893ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1894ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1895ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1896ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1897ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1898ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1899ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1900ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1901ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1902ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1903ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1904ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1905564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1906564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 191663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 19173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1918cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 191915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1920cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 192270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 192370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1924448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1925f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 192663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1927cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 193070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1931f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1932f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1933f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1934e18264b079481a244b30e3f71012c53bbd861f92John Reckstatus_t OpenGLRenderer::drawDisplayList(RenderNode* displayList, Rect& dirty, 1935ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 193658d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 193904c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1940f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1941f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik displayList->computeOrdering(); 1942d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 194358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1944ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1945b265e2ca50b6ceb2fd2987ef1f7d063b1bde19aeChris Craik displayList->replayNodeTree(replayStruct); 194658d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1947c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1948c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 194928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1950d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1951ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1952b265e2ca50b6ceb2fd2987ef1f7d063b1bde19aeChris Craik displayList->deferNodeTree(deferStruct); 195396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 195496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 195558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 195696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1957f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19580fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19597b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19606554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 19610fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19620fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1963d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1964886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1965886b275e529e44a59c54b933453d9bc902973178Romain Guy 1966a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1967a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1968a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1969886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1970886b275e529e44a59c54b933453d9bc902973178Romain Guy 1971a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1972d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1973d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1974d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1975a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1976a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1977886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1978886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 197967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 19805b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1981e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 1984886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 198576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 19863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1987a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1988a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 198903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 199003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 199103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 199203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 199303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 1994d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 1995d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 1996d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 1997527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 199855b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 1999527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2001527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2002527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2003527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 200467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 2005527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2006527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2007527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20084b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2009527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 201076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20114063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20124063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2013527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2014527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 201576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20164063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2018527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2019527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2020527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2021527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2022527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2023d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, float left, float top, 2024d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 20256926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 20266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 20276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2028f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2029486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2032a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2034486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 203522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 203622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20374b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2038a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2039a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2040a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2041a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2042486590963e2207d68eebd6944fec70d50d41116aChet Haase 2043486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2046d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkMatrix* matrix, 2047d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2048f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2049f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 2050f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2051f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2052f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(r.left, r.top, r.right, r.bottom)) { 2053486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2056a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2058486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 205922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 206022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 20625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 20635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 20645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 20654b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2066886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2067886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2068886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy } 20705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2071486590963e2207d68eebd6944fec70d50d41116aChet Haase 2072486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2073f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2074f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2075d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, float left, float top, 2076d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2077e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2078e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2079e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2080f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2081486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2082e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2083e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2084e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2085e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2086e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2087e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 20884b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2089886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2090886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2091886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2092886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2093486590963e2207d68eebd6944fec70d50d41116aChet Haase 2094486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2095e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2096e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2097d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2098d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2099d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2100486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 210339a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 210439a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 210539a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2106b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2107b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2108b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2109b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2110b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2111a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2112b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2113564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2114564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2115564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2116ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2117ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2118ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2119ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2120d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2121d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2122d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2123ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2124ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2125a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2150ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2151ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2152ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2154ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2155ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2156ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2157b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2158a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2159a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2160a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2161a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2165f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2166ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2167a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2168a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2169a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2170ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2176ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2177a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2178a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2179a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 218067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2181a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2182a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2183a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2184a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2185a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2186ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2187ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2188a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2189d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2190b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2191b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2192ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2193ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2194ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 219576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 219676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2197ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2198ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 21994063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2200ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2201ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 220276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 22033380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2204ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2205ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2206ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2207ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2208ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2209ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2210ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2211ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2212ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2213486590963e2207d68eebd6944fec70d50d41116aChet Haase 2214486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 22165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2217d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 22188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 22198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2220d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2221f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2222486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2225a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2227486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 222822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2232c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2239c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 224003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2243d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2244d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2245886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2246886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2248886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 22520fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2253886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2254b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2255d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2256d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2257d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2258886b275e529e44a59c54b933453d9bc902973178Romain Guy 2259886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2260886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2261886b275e529e44a59c54b933453d9bc902973178Romain Guy 2262886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2264886b275e529e44a59c54b933453d9bc902973178Romain Guy 226567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2266886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 226867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2269886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2270886b275e529e44a59c54b933453d9bc902973178Romain Guy 2271886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2272886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2273886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2274886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2275886b275e529e44a59c54b933453d9bc902973178Romain Guy 2276886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2277886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2278886b275e529e44a59c54b933453d9bc902973178Romain Guy 2279886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2280886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2281886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2282886b275e529e44a59c54b933453d9bc902973178Romain Guy 22834b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2284886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 228576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22863380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2287886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2288886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2289886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 229076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22913380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2292886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2293886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2294886b275e529e44a59c54b933453d9bc902973178Romain Guy 2295886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2296886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2300486590963e2207d68eebd6944fec70d50d41116aChet Haase 2301486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2302ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2303ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2304d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2305d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2306f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 23074c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 23084c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 23094c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 23104c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 23114c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 23124c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 23134c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 231403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2315be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2316be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2317d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2318d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2319d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2320f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2321486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2324211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2325a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2326a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2327a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2328a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2330a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2331a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2332a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2333d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23358168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2336d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2337d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23408ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2341211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2342c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2343c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2344c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2346c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2347d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2353211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2354d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2355d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23594063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 236376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 236476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23654063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2367054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2368486590963e2207d68eebd6944fec70d50d41116aChet Haase 2369486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2370f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2371f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 237203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 237303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 237403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 237503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 237603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2377d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2378d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 237903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 238003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 238103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 238203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 238303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 238403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 238503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 238603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 238776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 238876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23894063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 239003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 239103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 239203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 239303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 239405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 239563d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui const VertexBuffer& vertexBuffer, const SkPaint* paint, bool useOffset) { 23964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23976d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2398bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 239965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2400bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2401bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 240205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = vertexBuffer.getBounds(); 240305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 240405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 240565cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 240665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 240765cd612face362d054a85d0f7e5881c59cd523beChris Craik 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2410710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2411710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 241276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 24130fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShader(getShader(paint)); 241476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2415710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 241605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik setupDrawModelView(kModelViewMode_Translate, useOffset, translateX, translateY, 0, 0); 24170fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawColorUniforms(getShader(paint)); 241876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 24190fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2420858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 242155bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2422710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2423cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2424710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 242563d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 24266ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2427710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2428710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2429710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2430710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2431710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2434710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 243605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 243705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 243863d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 243963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 244005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 244150ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 244250ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 244305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 244463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 244550ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 244663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2448710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24496ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 245004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 245165cd612face362d054a85d0f7e5881c59cd523beChris Craik 245265cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2453858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2454858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2455858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 245865cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 245965cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 246065cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 246165cd612face362d054a85d0f7e5881c59cd523beChris Craik * 246265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 246399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2464d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 246565cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 246665cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2467d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 246805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(vertexBuffer, paint); 246965cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24707b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 247165cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 247265cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 247365cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 247465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247565cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 247665cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 247765cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 247865cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247965cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 248065cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 248165cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2482d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2483d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248565cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248765cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 248805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 248905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2490d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 249105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2492d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2493d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2494d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 249565cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 249605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(buffer, paint, useOffset); 24975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2499d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2500d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2501ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25026d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 25037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 25046d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 250505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 25067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 250705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 250805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 25096d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2510ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2511ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25126d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 251305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(buffer, paint, useOffset); 2514ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2515ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2516486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2517e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2518d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2519e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2520d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2521ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 252270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 252376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 252476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 252576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 252676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 252776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2528486590963e2207d68eebd6944fec70d50d41116aChet Haase 2529486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2530c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25319d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2532486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2533d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2534486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 253501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 253601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 253701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 253801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 253901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 254001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2541486590963e2207d68eebd6944fec70d50d41116aChet Haase 2542486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 254301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 254401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2545486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2546d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2547d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2548257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2549710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2550710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 255101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2552cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2553710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2554c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2555710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2557710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2558710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 255905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect(*currentTransform(), 256005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik right - left, bottom - top, rx, ry, p); 256105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(left, top, *vertexBuffer, p); 2562c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 256301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2564d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2565d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(x - radius, y - radius, 2566257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2567257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2568710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2569710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2570cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2571710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2572c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2573710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2574710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2575710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2576710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2577cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2578cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2579cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2580cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2581cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 258265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2583c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 258401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2585486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2586d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2587d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2588257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2589710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2590710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 259101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2592cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2593710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2594c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2595710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2596710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2597710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2598710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2599710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2600cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2601cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2602cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2603710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 260465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2605c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2606c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2607486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2608d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2609d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2610257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2611780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2612780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 26138b2f5267f16c295f12faab810527cd6311997e34Romain Guy 26148b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2615780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 26168b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 26178b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2618780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 261965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2620780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2621c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2622780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2623780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2624780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2625780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2626780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2627780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2628780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2629780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2630780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2631780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2632780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2633780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2634780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2635780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2636780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2637780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2638780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 263965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26408b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26418b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2642cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2643cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2644cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2645d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2646d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2647d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2648257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2649486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2652710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2653cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2654cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2655cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2656cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2657cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2658c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2659cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2660cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2661cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2662cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2663cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2664cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2665cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2666cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2667cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 266865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2669026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2670026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2671d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2672710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2673710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 267465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2675858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 267676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 267765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2678858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2679c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26809d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2681d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2682d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 268376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2684416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2685416a847633680d94efb926837efdc18726d54918Raph Levien 2686c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2687c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2688c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2689c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2690c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2691416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2692416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2693416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2694416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2695c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2696cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2697cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2698cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2699416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2700416a847633680d94efb926837efdc18726d54918Raph Levien 2701c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2702c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2703416a847633680d94efb926837efdc18726d54918Raph Levien 2704c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha; 27050fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (getShader(paint)) { 2706c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2707416a847633680d94efb926837efdc18726d54918Raph Levien } 2708416a847633680d94efb926837efdc18726d54918Raph Levien 2709416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2710416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2711c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 271276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 27130fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShader(getShader(paint)); 271476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2715416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 27164063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 27174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2718416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2719416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 272076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 27210fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2722416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2723416a847633680d94efb926837efdc18726d54918Raph Levien 2724416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2725416a847633680d94efb926837efdc18726d54918Raph Levien} 2726416a847633680d94efb926837efdc18726d54918Raph Levien 2727768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2728c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2729768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2730768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2731768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2732486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2733d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2734d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2735486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2736eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2737eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2738671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2739d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2740486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2741671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2742671d6cf460531825a321edb200523d0faa7792c9Romain Guy 274339a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 274439a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2745671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2746671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2747d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2748671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2749d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2750d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2751671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2753b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2754c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2755671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2756671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2759671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2760c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2761e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 276276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2763416a847633680d94efb926837efdc18726d54918Raph Levien } 2764416a847633680d94efb926837efdc18726d54918Raph Levien 2765671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2766d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2767671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2768671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2769671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2770257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2771671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2772671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2773671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2774671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2775211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2776671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27771e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2778671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2779257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2780671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2781671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2782d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2783671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2784671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2785671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2786671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2787486590963e2207d68eebd6944fec70d50d41116aChet Haase 2788486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2789eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2790eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2791624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2792624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2793624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2794624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2795624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2796624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2797b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2798624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2799624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2800d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->decomposeScale(sx, sy); 2801624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2802624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2803624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2804624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2805624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2806624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 280741541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2808d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2809527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2810527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2811527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 281228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 281328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2814d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2815f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 281628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 281728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2818cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2819cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28203a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28213a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2822624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2823d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2824624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2825c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2826211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2827624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2828624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 283186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 283286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 283386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28349d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2835c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2836c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2837c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2838c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2839c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 284076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 284319d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 284419d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2845624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2846624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2847624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2848624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2849624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2850624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2851624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2852624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2853624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2854624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2855624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2856624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 28573b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2858c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 28596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2860a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2861257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 286206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2863624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2864d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 286541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2867996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 28681e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2869527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2870527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2871527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2872a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28738b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28748b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28758b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 287641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2877996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28788b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 287941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2880996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28814ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2882527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2883624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 288441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2885a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 288641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 28875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2888694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2889e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2890486590963e2207d68eebd6944fec70d50d41116aChet Haase 2891486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2892694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2893694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2894d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2895d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2896d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2897486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 289803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 289903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 290039a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 290139a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 290239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2903b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2904c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2905257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 290603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 290703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 290803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 290903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29101e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 29119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29139777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 291403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29159777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29169777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29179777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29181e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 29199777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2920d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29219777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29229777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29239777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2924486590963e2207d68eebd6944fec70d50d41116aChet Haase 2925486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2926325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2927325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2928d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2929d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2930dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2931a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2933fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2934486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 293522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29367fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29378b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29388b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29398b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 294001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2941486590963e2207d68eebd6944fec70d50d41116aChet Haase 2942486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29437fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2945a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 294635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2947486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29486c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29496c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2950b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2951b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2952b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2953b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 29543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 295514e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2956b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2957b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2958b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 295939a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2960f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2961deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, NULL, false); 29624ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 296335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2964b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2965b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2966b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 296735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 296835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 296935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 29705bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29712bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 297239a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 2973a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2975211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2976c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 297734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 297834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 2979c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 298076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 298116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 2982c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2983c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29848168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 298576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 298676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 2987c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2988c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 298976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 29909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2991d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 2992d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2993d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 29949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2995d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 29964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 29974ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 29989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2999d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 30004063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 30019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 30029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3003c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3004448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3005448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3006448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3007448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3008448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3009448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 30103380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 3011448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3012448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3013448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3014448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3015448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3016448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3017448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3018448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3019c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3021e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3023c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30244ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30255bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30265bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 302776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 302876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 302976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 303076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30314ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3032f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 303334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3034486590963e2207d68eebd6944fec70d50d41116aChet Haase 3035b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3036b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3037b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3038b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3039486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3047527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3048527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3049c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3050527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3051527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30525ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30535ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30545ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3055c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3056c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3057c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30585ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3060d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3061758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3062758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3063758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 30645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 30665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3068c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3069c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 30705ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30715ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 30725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 30766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3078d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 30793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 30803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 30813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 30823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 30833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 30843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 30853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 308601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3087d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3088f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 308901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 309001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 309101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 309201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 309301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 309401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 309501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 309601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 309701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 309801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 309976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 31000fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShader(getShader(paint)); 310176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 310201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 31034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 31044063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 310501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 310601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 310776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 31080fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShaderUniforms(getShader(paint)); 310901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 311001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 311101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 311201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 311301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3114f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3119d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3120d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3124726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3126211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3127726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3128f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31308b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3132e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3133f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3134f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3135f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3136f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3137f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3138e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3139e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3143e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3144e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3145e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3146e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3151e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3152e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3153e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3154e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3156e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3157726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3158e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3159726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3164d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3165d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3166672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3167672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3168672433d90fab7383cd28beac9d4485b566a90940Romain Guy 316976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3170735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3171735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3172b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craikstatic void mapPointFakeZ(Vector3& point, const mat4& transformXY, const mat4& transformZ) { 3173b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map z coordinate with true 3d matrix 3174b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik point.z = transformZ.mapZ(point); 3175b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 3176b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map x,y coordinates with draw/Skia matrix 3177b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik transformXY.mapPoint(point.x, point.y); 3178b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik} 3179b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 318005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawShadow(float casterAlpha, 318105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3182d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3183f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 318415a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3185f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3186f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3187f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3188ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3189f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 319005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (ambientShadowVertexBuffer && mCaches.propertyAmbientShadowStrength > 0) { 3191919e95cc23d3567345719f2466e089682608638eChris Craik paint.setARGB(casterAlpha * mCaches.propertyAmbientShadowStrength, 0, 0, 0); 319205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint); 3193ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3194ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 319505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (spotShadowVertexBuffer && mCaches.propertySpotShadowStrength > 0) { 3196919e95cc23d3567345719f2466e089682608638eChris Craik paint.setARGB(casterAlpha * mCaches.propertySpotShadowStrength, 0, 0, 0); 319705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint); 3198ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 31997b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 32007b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3201f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3202f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 320376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 320476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32053b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32063b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32073b753829ae858d424fe109f714745379a6daf455Romain Guy } 3208735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 320976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 321076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 32110fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (getShader(paint)) { 321276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 321376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 321476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3215672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3216672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3217672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3218672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3219672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3220448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3221672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3222672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32232af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3224672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3225672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3226672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3227672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3228672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32293b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32303b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32313b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32323b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3233672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32343b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32353b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32363b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32373b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3238672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3239672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3240f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3241a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3242a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3243672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3244672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3245672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3246d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 32470fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShader(getShader(paint)); 324876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 324976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3250672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3251672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 32524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 32534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 32540fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawColorUniforms(getShader(paint)); 32550fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShaderUniforms(getShader(paint)); 325676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3257672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3259d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3260672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3261672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3263672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3264672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3265672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3266672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3267026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 326876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 326976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3270d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 32710fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III if (getShader(paint)) { 3272d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3273d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3274d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 327570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 327615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3277d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 32780fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShader(getShader(paint)); 327976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 328076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 328170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 32824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 32834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 32840fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawColorUniforms(getShader(paint)); 32850fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 328676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 328770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3288c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3289c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3290c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3291c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 329282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3293d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3294d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 32958164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 32963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 32973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 32983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 32993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33003380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 33013380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 33023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3309d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3311d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3313d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 331576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 331867862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 331976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 332685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 332785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3328f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 332976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33306820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33314063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33324063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33338694230ff25fa0a60e480d424843e56b718f0516Romain Guy 333476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 333576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 333676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 333776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 333876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 333970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 334070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 334170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 334276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 334376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 334470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3345886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33464063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3347886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 334886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 334976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 335070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3351db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33526820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 335382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 335482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 33553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 335676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33584063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33594063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 336176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 336276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 336376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 336476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 336576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 33663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 33673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 33683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 336976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 337076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 33713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 33723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 33743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 33753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 337676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 33773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 33783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 33803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 33813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3382886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 338376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3384886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33854063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3386886b275e529e44a59c54b933453d9bc902973178Romain Guy 338776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 338876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 338976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 339076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 339176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3392886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3393886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 339476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3395886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3396886b275e529e44a59c54b933453d9bc902973178Romain Guy } 339776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 33980fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShader(getShader(paint)); 339976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3400886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3401886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34024063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3403886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3404886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 340576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 34060fa2bd699ab5539c0ce6b79eb6b4b681734b8bb5Leon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3407886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3408886b275e529e44a59c54b933453d9bc902973178Romain Guy 3409886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3410886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3411886b275e529e44a59c54b933453d9bc902973178Romain Guy 3412a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3413f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3414deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3415deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mSnapshot->roundRectClipState != NULL /*&& !mSkipOutlineClip*/) { 3416deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3417deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3418deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3419deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3420deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 342178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 342278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 342378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 342478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 342578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 342678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 342778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 342878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 342978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 343078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 343178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 343278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 343378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 343482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3435c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 343682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 343782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 343882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 343982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 344082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 344182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 344233fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34433bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3444a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3445f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3446a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 344782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 344882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 344982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 345082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 345182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 345282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 345382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 345482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3455a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 345682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 345782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 345882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 345982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 346082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 346182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 346382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 346482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 346682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 346782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 346882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 346982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3470fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 347182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 347282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3473fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3474bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3475bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3476889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3477d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3478fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3479d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3480fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 34816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3482260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 34836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3484260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3485260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3486026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3487ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 348882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 348982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 349082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 349182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 34928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 34938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3494d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3495be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 349616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 349716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 349887b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 349916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3500d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3501026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3502026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 350376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 350416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 350516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 350616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 350716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 350816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 350916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3510d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 351116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 351216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35139d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3514e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3515