OpenGLRenderer.cpp revision bf75945e7a1ae7c1000682716643c942c1e19ba6
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2498d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik#include <SkColor.h> 25d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include <SkShader.h> 26694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy 285cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 29e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 3085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 36c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 38405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy#include "Fence.h" 393b20251a355c88193c439f928a84ae69483fb488John Reck#include "RenderState.h" 4065cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 4187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 4255bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "ShadowTessellator.h" 43d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include "SkiaShader.h" 44e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik#include "utils/GLUtils.h" 45a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 4655bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "VertexBuffer.h" 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 4862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 4962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik #define EVENT_LOGD(...) eventMarkDEBUG(__VA_ARGS__) 5062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#else 5162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik #define EVENT_LOGD(...) 5262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 5362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 54e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 559d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 599d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 609d5316e3f56d138504565ff311145ac01621dff4Romain Guy 6167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craikstatic GLenum getFilter(const SkPaint* paint) { 6267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) { 6367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_LINEAR; 6467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik } 6567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_NEAREST; 6667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik} 67d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 689d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 699d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 709d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 719d5316e3f56d138504565ff311145ac01621dff4Romain Guy 72889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 73889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 74889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 75889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 76889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 77889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 78889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 79889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 80889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 81026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 82026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 862ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 882ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 97d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 99026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 100e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 10287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 10387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 1072ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 1082ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 1092ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 1102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1112ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1122ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1132ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1142ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1152ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1162ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1172ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 118d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1192ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 120f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 121f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 123448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 124448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 125448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 126448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 127448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 128448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 129448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 130448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 131448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 132f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 133f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 134f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1353b20251a355c88193c439f928a84ae69483fb488John ReckOpenGLRenderer::OpenGLRenderer(RenderState& renderState) 136058fc640017c90120c599d378a4cbc55668b05b7Chris Craik : mFrameStarted(false) 137058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCaches(Caches::getInstance()) 1383b20251a355c88193c439f928a84ae69483fb488John Reck , mExtensions(Extensions::getInstance()) 139058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mRenderState(renderState) 140058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mScissorOptimizationDisabled(false) 141058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCountOverdraw(false) 1421aa5d2d7068147ff781cfe911a93f01593a68c79John Reck , mLightCenter((Vector3){FLT_MIN, FLT_MIN, FLT_MIN}) 143058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mLightRadius(FLT_MIN) 144058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mAmbientShadowAlpha(0) 145058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mSpotShadowAlpha(0) { 146527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 147527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 14816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 149026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 150ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 151e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 152e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 15429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 15529d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 156e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 157e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 15987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 16087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 16187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 16287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 16387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 16487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 16587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 16687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 16713631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 16813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 169058fc640017c90120c599d378a4cbc55668b05b7Chris Craikvoid OpenGLRenderer::initLight(const Vector3& lightCenter, float lightRadius, 170058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 171058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightCenter = lightCenter; 172058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightRadius = lightRadius; 173058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mAmbientShadowAlpha = ambientShadowAlpha; 174058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mSpotShadowAlpha = spotShadowAlpha; 175058fc640017c90120c599d378a4cbc55668b05b7Chris Craik} 176058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 17713631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 180f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 181797b95b26bbb7557678af78b9a2a61830158920fChris Craikvoid OpenGLRenderer::onViewportInitialized() { 18235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 18335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 18435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 18635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 18735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 189c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 190fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 191fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 19214e513058ed4168c94e015638d16f5f87fd8063aChris Craik initializeSaveStack(left, top, right, bottom); 19396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1945f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 19596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 19896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 19996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 20011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 20196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 20296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 20396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 20445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 2053b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getWidth(), getHeight()); 2067d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 21054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 21154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 212d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 2132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2147c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2157c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 21696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 21796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 21896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 21996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 22196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 22278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 22396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 22496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 22796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 22896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 229d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 23496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 23596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2377c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2387c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 239dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 240dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 241dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 242dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2433bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 24414e513058ed4168c94e015638d16f5f87fd8063aChris Craik left <= 0.0f && top <= 0.0f && right >= getWidth() && bottom >= getHeight()) { 245f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 246f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 247f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 248f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 249dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 250dcfc836b457a87881da409e1acf251515f121446Romain Guy } 251dcfc836b457a87881da409e1acf251515f121446Romain Guy} 252dcfc836b457a87881da409e1acf251515f121446Romain Guy 2537c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 25478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 255586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 256a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(left, getViewportHeight() - bottom, right - left, bottom - top); 2576b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 25844b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 259ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 26044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2617c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 26244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 263ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 264ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 265ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 266ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 267ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 268ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 269ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2706b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 272bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 27333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTilingCurrentClip(bool opaque, bool expand) { 27454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 275d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 276d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 27714e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 278d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 279d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 28054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 28154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 28233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTiling(*clip, getViewportHeight(), opaque, expand); 283c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 284c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 285c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 28633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque, bool expand) { 287c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 28833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen if(expand) { 28933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 29033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int leftNotZero = (clip.left > 0) ? 1 : 0; 29133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int topNotZero = (windowHeight - clip.bottom > 0) ? 1 : 0; 29233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen 29333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling( 29433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.left - leftNotZero, 29533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen windowHeight - clip.bottom - topNotZero, 29633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.right - clip.left + leftNotZero + 1, 29733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.bottom - clip.top + topNotZero + 1, 29833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen opaque); 29933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } else { 30033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling(clip.left, windowHeight - clip.bottom, 30152036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 30233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } 3032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 3042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3052b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3062b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 30754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 3082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 310b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 3117c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3122b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 314ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 315ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 316ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 317ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 31805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik mCaches.tessellationCache.trim(); 319ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 320ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 32111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 322b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 323e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik GLUtils::dumpGLErrors(); 324b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 32511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 326c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 327e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 32811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 32911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 33011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 33111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 332c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 33311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 33496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 33578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 33678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 33778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 33878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 33996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 340b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 341b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 34235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 3433b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 3443b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(currentSnapshot()->fbo); 3457c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 34635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 34735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 34835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 34935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 35035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3518f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 352d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 353408eb12631376cbdc96803e918decf6ea804d346Chris Craik 354d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 35580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 35680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 357d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 358d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 359d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 360d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 361d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 362d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 36308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 36408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 36508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 36608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 36708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 36808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 369a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.width = getViewportWidth(); 370a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.height = getViewportHeight(); 371d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 37280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3733b20251a355c88193c439f928a84ae69483fb488John Reck bool prevDirtyClip = mDirtyClip; 37454f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 37554f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 37654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 37754f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 3783b20251a355c88193c439f928a84ae69483fb488John Reck if (mCaches.enableScissor() || prevDirtyClip) { 37925d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 38025d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 38154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 3823b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.invokeFunctor(functor, DrawGlInfo::kModeDraw, &info); 3833b20251a355c88193c439f928a84ae69483fb488John Reck // Scissor may have been modified, reset dirty clip 3843b20251a355c88193c439f928a84ae69483fb488John Reck dirtyClip(); 385cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 386750ca6dbdb259aea0ca5b77380a9303e586ef3eaJohn Reck return DrawGlInfo::kStatusDrew; 387daf98e941e140e8739458126640183b9f296a2abChet Haase} 388daf98e941e140e8739458126640183b9f296a2abChet Haase 389f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 39087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 39187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 39287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 39362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::eventMarkDEBUG(const char* fmt, ...) const { 39462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 39562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik const int BUFFER_SIZE = 256; 39662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_list ap; 39762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik char buf[BUFFER_SIZE]; 39862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 39962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_start(ap, fmt); 40062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik vsnprintf(buf, BUFFER_SIZE, fmt, ap); 40162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_end(ap); 40262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik eventMark(buf); 40462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 40562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik} 40662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 4080f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4090f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4100f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4110f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 41287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 41387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 41487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 4213b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.debugOverdraw(enable, clear); 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 4265f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 42787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 429a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(clip->left, firstSnapshot()->getViewportHeight() - clip->bottom, 43087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 43187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 432627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 43387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 434627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 435627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 436627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 43787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 438627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 439627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 440627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 44187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 442627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 443627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 444627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 44587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 446627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 447627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 44887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 45314e513058ed4168c94e015638d16f5f87fd8063aChris Craik size_t count = getWidth() * getHeight(); 45478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 45514e513058ed4168c94e015638d16f5f87fd8063aChris Craik glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 45678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 45778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 45878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 45978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 46078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 46178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 46378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 46578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 46678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 46811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 472a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (layer->deferredUpdateScheduled && layer->renderer 473a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik && layer->renderNode.get() && layer->renderNode->isRenderable()) { 474405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 475405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4787c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4797c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4807c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4817c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 48402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 48596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 48696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 48796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 49011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 491d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4945bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 49534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 50496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 50596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 50696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 50996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 51096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 51196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 51296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 51396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5151206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5161206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 51996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 52096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 52196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 52596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5263b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 52796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 52996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 53096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 53196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 53296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 53396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 53496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 53596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 53696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 53796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 5381206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5391206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 54096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 54102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 54202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 543405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 54402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 54502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 546405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 547405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 54802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 54902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 55096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 55196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 55296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 55396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5543b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 55596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 55711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 56202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 56302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 56402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 56502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 56602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 56702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 56802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 56902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 57002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 57311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 57511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 576e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 577e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 578e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 579e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 580e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 581e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 582e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 583e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 584e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 585e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 586e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 587e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 58811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 58911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 59011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 59111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 59911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 600405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 601a7c2ea20c43ab797bef5801530687e22e83def8fJohn Reck ATRACE_CALL(); 602405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 603405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 604405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 605405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 606405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 607405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 608405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 60911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 610f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 611f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 612f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 61314e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 614a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bool restoreViewport = removed.flags & Snapshot::kFlagIsFboLayer; 61514e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 61614e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 617bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 618a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (restoreViewport) { 6193b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6222542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 623746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6248fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6265ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6277273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 6287273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 62914e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 6307273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 6315ec9924d24495822b589f1a17996655d66273b30Romain Guy } 632d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6335cbbce535744b89df5ecea95de21ee3733298260Romain Guy 634f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 635bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 636bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 637bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 638bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6393f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 640eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 641d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 642d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 6433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik createLayer(left, top, right, bottom, paint, flags, convexMask); 644dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 645d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 646d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 647bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 648bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 649d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 650d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 651d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 652d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 653d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 654d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 655d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 656d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 657d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 658d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 659d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 660d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 661d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 662924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik const Snapshot& previous = *(currentSnapshot()->previous); 663924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik Rect previousViewport(0, 0, previous.getViewportWidth(), previous.getViewportHeight()); 664924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik if (!bounds.intersect(previousViewport)) { 665d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 666d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 667d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 668d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 669d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 670d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 671d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 672d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 673d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 674d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 675d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 676d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 677d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 678d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 679d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 680d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 681d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 682d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 683d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 684408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 685408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 686408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 687408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 688408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 689408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 690408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 69174cf7e6a25c6d7b331c231b7bc2512044f9d2950Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= 0 && fboLayer); 692408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 693408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 694408eb12631376cbdc96803e918decf6ea804d346Chris Craik 695d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 696d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 697d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 698d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 699d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 700d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 701d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 702d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 703d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 704d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 705d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 706d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 707d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 708d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 709d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 710d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 711d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 712a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 713deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 714d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 715d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 716d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 717d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 718d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 719d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 7201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 7211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 7221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 7231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 7241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 7251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 7261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 7271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 7291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 7301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 7311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 7321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 7331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 7341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 7351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 7376b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 7386b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 7396b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 7406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 7411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 7431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 7441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 74587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 7461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 7471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 7481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 76587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 76687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 76787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 76887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 76987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 771d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 7723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 773eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 774fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 775dda570201ac851dd85af3861f7e575721d3345daRomain Guy 776eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 777eb99356a0548684a501766e6a524529ab93304c8Romain Guy 778f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 779d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7808aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 781d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 782674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, getAlphaDirect(paint)); 783dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 784dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 785d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 786b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 787b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 788dda570201ac851dd85af3861f7e575721d3345daRomain Guy 789a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7903b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = mCaches.layerCache.get(mRenderState, bounds.getWidth(), bounds.getHeight()); 791f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 792f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 793bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 794bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 795674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger layer->setPaint(paint); 7968aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 799d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 800a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 8017c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 8023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(convexMask); // note: the mask must be cleared before returning to the cache 803dda570201ac851dd85af3861f7e575721d3345daRomain Guy 8048fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 805d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 806d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 8071d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8087273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 809eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 810e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 811eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 812eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 814514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 8159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 816b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 817b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 818b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 819b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 820b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 821b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 8229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 823514fb18827186591d66973c2362c859b64b63556Romain Guy } 8247b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 825a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 826a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.left, getViewportHeight() - bounds.bottom, 827a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.getWidth(), bounds.getHeight()); 828b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 82954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 83054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 831ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 832eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 833f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 834d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 835bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 836bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 837e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 838c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 841d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 842a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer; 843d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 844d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 845d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 846a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 847deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8492b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8507c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8523b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(layer->getFbo()); 8539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8570908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 86433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 86533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTilingCurrentClip(true, true); 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 868586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8698f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8763b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(bounds.getWidth(), bounds.getHeight()); 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 88314e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 88414e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8853762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 88914e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 89114e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 892eb99356a0548684a501766e6a524529ab93304c8Romain Guy 89339a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 894f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 895deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, NULL, false); // safely ignore return, should never be rejected 89639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 89739a908c1df89e1073627b0dcbce922d826b67055Chris Craik 898eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8992b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 901e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 902e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 9038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 9058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 906eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 9073b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(restored.fbo); 9087c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 9092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 910d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 911eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 912eb99356a0548684a501766e6a524529ab93304c8Romain Guy 9139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 91476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 91576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 91676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 91776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 91876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 91976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 9205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 9219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 922f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 923f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 92403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 9258b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 926a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 930eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 93114e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 935a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 936a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 937a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 938a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 939a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 9409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 941a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 942eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9431d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 944746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 945746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 946eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(NULL); 9488550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9491d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 950603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9511d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9531d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 954aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9552458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 956aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 957aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 964aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 96576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 96676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 967aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 968aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 96976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9728f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 975d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9769757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 977ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 978ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 979d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 980d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 982d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9844063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 986d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9913380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 992aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 993aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 994aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 995aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 99762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (layer->isTextureLayer()) { 99862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeTextureLayerRect"); 99962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 100062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik drawTextureLayer(layer, rect); 100162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 100262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 100362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeHardwareLayerRect"); 1004aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1005aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1006aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 10099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 1010d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 1011ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1012b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1013b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1014b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 10159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 10169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 1017d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1018d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 10199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1021d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 10229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1023d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 102676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 102776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 102876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 102976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 103076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 103176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 103376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10343380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1037aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1038aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 104134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 104234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 104334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 104434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 104534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 104634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 104734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 104834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 104934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 105034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 105134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 105334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 105434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 105534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 105634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 105734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 1058d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 1059d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 1060d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass LayerShader : public SkShader { 1061d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIpublic: 1062d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 1063d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III : INHERITED(localMatrix) 1064d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III , mLayer(layer) { 1065d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1066d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1067d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool asACustomShader(void** data) const { 1068d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (data) { 1069d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III *data = static_cast<void*>(mLayer); 1070d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1071d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return true; 1072d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1073d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1074d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool isOpaque() const { 1075d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return !mLayer->isBlend(); 1076d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1077d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1078d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprotected: 1079d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 1080d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 1081d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1082d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1083d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void flatten(SkWriteBuffer&) const { 1084d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 1085d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1086d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1087d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual Factory getFactory() const { 1088d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 1089d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return NULL; 1090d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1091d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprivate: 1092d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // Unowned. 1093d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III Layer* mLayer; 1094d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III typedef SkShader INHERITED; 1095d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III}; 1096d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 10975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 10983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 10993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 11013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 11023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 11043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 11053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 11073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 11083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 11093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 11113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 11123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 11133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 1114d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 1115d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(&layerShader); 11163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 11183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 11193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 11203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 11213f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1122d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(NULL); 11233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 11263f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11273f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11299fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 113134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11329fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 113762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeLayerRegion"); 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()) { 131162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("clearLayerRegions"); 131254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 131454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 131554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 131854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13198a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 132054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1321448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 132254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 132354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 132554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 132654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 132954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 133054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 133154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1334e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1335e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1336e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1337e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 133854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 134076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 134176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 134254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 134354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 134476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 134554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 134654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13474063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 134954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13504063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13518a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13528a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 135354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 135454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 135554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 135654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1357e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1361bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1362c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1363c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1364c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1365ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1366d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1367d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1368c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1369ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1370ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1371ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1372d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 137328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13745e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13755e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13765e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13775e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1378d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1379ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1380ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1381ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 138228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1383a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1384d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 138528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 138628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1387d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1388d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1389d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1390d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 139128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 139228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1393ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1394d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1395d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1396d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1397d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1398c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1399ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1400ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1401527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1402527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1403d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1404c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1405c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14067273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14077273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1408d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 14097273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1410d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1411deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1412deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1413deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1414c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1415c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1416c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1417527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 141814e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 14197273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 142014e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1421deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = state.mRoundRectClipState; 1422ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1423527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 142428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 142528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1426ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1427ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1428c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1429c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 143028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 143128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 143228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 143328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 143428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 144028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 144114e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 144228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1443527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 144428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1445527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1446527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1447c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1448f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1449f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1450f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1451bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1452d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1453e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14548f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1455a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (mCaches.setScissor(clip.left, getViewportHeight() - clip.bottom, 14568a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14578a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14588a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14599d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14609d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1466d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1473c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1474c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1475c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1476c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1477c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14788d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14793bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1481c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1482f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1488d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 148962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - enabling"); 149062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1499deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // Clear and update the stencil, but first make sure we restrict drawing 15008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1507deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1508deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1509deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1510deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 15118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 151276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 151398d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik paint.setColor(SK_ColorBLACK); 151476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 151576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 152276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 1523deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (resetScissor) mCaches.disableScissor(); 1524deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15273ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15283ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15293ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15303ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 153176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 153276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 153376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15343ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 153662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - disabling"); 15378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1542f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1543f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1544f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1545f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1546f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1547f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1548f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1549d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1550f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15515e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1552f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1553cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1554f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1555f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1556f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1557f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1558cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1559cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1560deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1561deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1562deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, 1563deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1564dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1565dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1566dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1567f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik // not quick rejected, so enable the scissor if clipRequired 1568f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1569f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mSkipOutlineClip = !roundRectClipRequired; 157039a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1571c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1572c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1574735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1575f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 157676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 157776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 157876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 157976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1583735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1584f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 158570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 158670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 158862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::setupDraw(bool clearLayer) { 1589f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 15908a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 159162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) clearLayerRegions(); 15928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1594b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1595b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1596b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1597b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 159862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 159962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) { 160062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik setStencilFromClip(); 160162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 160262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // While clearing layer, force disable stencil buffer, since 160362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // it's invalid to stencil-clip *during* the layer clear 160462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik mCaches.stencil.disable(); 160562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } 160670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16073ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 160870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16093ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 161270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 161370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 161470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16153ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16163ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16173ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16183ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16193ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16203ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 162178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 162278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 162370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 162670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 162770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1630ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1631ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1632ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1633ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1634ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1635ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1636aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1637aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1638aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1639aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 164015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1641ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 164215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 164315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1644bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craikvoid OpenGLRenderer::setupDrawAA(bool useShadowInterp) { 164599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 1646bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik mDescription.isShadowAA = useShadowInterp; 16475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1651886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1652886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1653886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 165470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1655e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 165886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 165986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1660886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1661886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1662886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 166386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1664e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 166586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 166686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16674121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16684121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16694121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16704121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 167170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 167270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 167470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 167670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1677e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1680d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 1681d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader != NULL) { 1682d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 168370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 168676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 168776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 168876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 168976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 169076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 169176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 169276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 169376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 169476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 169576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 169676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 169770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 169870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1700f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1701f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1702f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1703f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 170454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1705f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1706f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1707f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 1708d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIstatic bool isBlendedColorFilter(const SkColorFilter* filter) { 1709d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (filter == NULL) { 1710d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return false; 1711d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1712d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0; 1713d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III} 1714d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 171576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 171676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1717f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1718f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1719f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1720d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 172176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 1722d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter()); 1723c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 172470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 172776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1728f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1729f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1730f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1731c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1732d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 1733d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III isBlendedColorFilter(getColorFilter(paint)); 1734c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 173570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1739deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1740deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1741deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* state = mSnapshot->roundRectClipState; 1742af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik const Rect& innerRect = state->innerRect; 1743deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1744af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.left, innerRect.top, 1745af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.right, innerRect.bottom); 1746deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 1747af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik state->radius); 1748deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1749deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 1750deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 175170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 175370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 175570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17584063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1759e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 17604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1761e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 176270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 176486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1765a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1766a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.currentProgram->set(mSnapshot->getOrthoMatrix(), mModelViewMatrix, transformMatrix, offset); 1767a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1768a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1769a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1770a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1771a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1772a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 177386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 177470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1776d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 1777d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 177870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 177970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 178070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17835536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 178486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17855536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17865536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17875536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 1788d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 1789d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader == NULL) { 1790d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return; 1791d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1792d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1793d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (ignoreTransform) { 1794d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 1795d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // because it was built into modelView / the geometry, and the description needs to 1796d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // compensate. 1797d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mat4 modelViewWithoutTransform; 1798d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 1799d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 1800d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 180170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1802d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1803d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 180470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 180776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 180876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 180976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 181076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 181276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 181576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 181676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 181776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 181876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 181976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 182076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 182176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 182276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 182476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 182576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 182776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 182876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 182976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 183076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 183176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 183376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 183476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 183576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 183676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 183776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 183876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 183976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 184176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 184276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 184376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 184470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 184576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 184770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18494121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18504121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18514121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18524121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 185370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1854f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1855cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 185615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 185770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 185970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1860257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18612d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 186215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 186370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1865aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1866aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18672d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 186815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1869aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1870aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18718f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18728f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18738f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1876aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1877aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1878aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1879aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1880564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1881564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1882f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1884f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 188570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1886f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 188770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1888d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1889cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 189015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1891cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 189215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 189315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 189415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 189515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 189615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1897564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1898564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1899ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1900ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1901ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1902ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1903ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1904ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1905ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1906ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1907ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1908ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1909ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1910ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1911ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1912ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1913ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1914ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1915564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1916564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 192663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 19273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1928cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 192915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1930cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 193270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 193370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1934448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1935f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 193663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1937cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1941f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1942f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1943f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1944a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craikstatus_t OpenGLRenderer::drawRenderNode(RenderNode* renderNode, Rect& dirty, int32_t replayFlags) { 194558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19460fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19470fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 1948a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (renderNode && renderNode->isRenderable()) { 1949f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1950a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->computeOrdering(); 1951d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 195258d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1953ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1954a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->replay(replayStruct, 0); 195558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1956c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1957c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 195828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1959d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1960ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1961a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->defer(deferStruct, 0); 196296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 196396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 196458d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 196596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1966f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19670fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19687b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19693a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // Even if there is no drawing command(Ex: invisible), 19703a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // it still needs startFrame to clear buffer and start tiling. 19713a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen return startFrame(); 19720fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19730fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1974d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1975886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1976886b275e529e44a59c54b933453d9bc902973178Romain Guy 1977a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1978a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1979a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1980886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1981886b275e529e44a59c54b933453d9bc902973178Romain Guy 1982a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1983d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1984d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1985d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1986a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1987a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1988886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1989886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 199067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 19915b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1992e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 1995886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 199676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 19973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1998a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1999a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 200003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 200103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 200203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 200303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 200403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2005d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2006d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 2007d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 2008527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 200955b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2010527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2012527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2013527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2014527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 201567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 2016527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2017527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2018527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20191103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2020527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20224063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20234063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2024527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2025527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2029527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2030527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2031527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2032527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2033527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2034796475006f5d670e8383a2050f11719522437a43Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) { 2035796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2036486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2039a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2041486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 204322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20441103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2045796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2046a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2047796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2048a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2049486590963e2207d68eebd6944fec70d50d41116aChet Haase 2050486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2053796475006f5d670e8383a2050f11719522437a43Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, const SkPaint* paint) { 2054796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2055486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2056e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2057e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2058e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2059e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2060e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2061e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 20621103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2063796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2064886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2065796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2066886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2067486590963e2207d68eebd6944fec70d50d41116aChet Haase 2068486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2069e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2070e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2071d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2072d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2073d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2074486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 20765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 207739a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 207839a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 207939a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2080b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2081b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2082b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2083b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2084b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2085a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2086b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2087564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2088564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2089564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2090ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2091ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2092ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2093ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2094d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2095d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2096d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2097ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2098ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2099a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2124ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2125ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2126ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2128ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2129ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2130ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2131b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2132a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2133a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2134a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2135a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2139f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2140ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2141a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2142a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2143a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2144ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2150ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2151a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2152a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2153a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 215467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2155a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2156a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2157a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2158a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2159a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2160ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2161ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2162a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2163d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2164b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2165b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2166ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2167ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2168ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 216976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 217076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2171ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2172ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 21734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2174ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2175ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 217676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 21773380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2178ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2179ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2180ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2181ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2182ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2183ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2184ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2185ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2186ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2187486590963e2207d68eebd6944fec70d50d41116aChet Haase 2188486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 21905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2191d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 21928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 21938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2194d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2195f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2196486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2199a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2201486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 220222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2206c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2213c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 221403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2217d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2218d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2219886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2220886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2222886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2223886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2224886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2225886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2226d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2227886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2228b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2229d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2230d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2231d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2232886b275e529e44a59c54b933453d9bc902973178Romain Guy 2233886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2234886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2235886b275e529e44a59c54b933453d9bc902973178Romain Guy 2236886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2237886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2238886b275e529e44a59c54b933453d9bc902973178Romain Guy 223967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2240886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 224267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2243886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2244886b275e529e44a59c54b933453d9bc902973178Romain Guy 2245886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2246886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2247886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2248886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2252886b275e529e44a59c54b933453d9bc902973178Romain Guy 2253886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2254886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2255886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2256886b275e529e44a59c54b933453d9bc902973178Romain Guy 22571103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2258886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 225976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22603380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2261886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2262886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22653380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2266886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2267886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2268886b275e529e44a59c54b933453d9bc902973178Romain Guy 2269886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2270886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2274486590963e2207d68eebd6944fec70d50d41116aChet Haase 2275486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2276ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2277ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2278d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2279d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2280f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 22814c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 22824c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 22834c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 22844c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 22854c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 22864c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 22874c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 228803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2289be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2290be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2291d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2292d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2293d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2294f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2295486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2298211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2299a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2300a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2301a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2302a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2304a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2305a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2306a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2307d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23098168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2311d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23148ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2315211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2316c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2317c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2318c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2320c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2321d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23264063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2327211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2328d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2329d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23334063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23344063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23354063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 233776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 233876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23394063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23404063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2341054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2342486590963e2207d68eebd6944fec70d50d41116aChet Haase 2343486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2344f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2345f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 234603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 234703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 234803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 234903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 235003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2351d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2352d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 235303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 235403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 235503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 235603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 235703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 235803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 235903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 236003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 236276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 236403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 236603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 236703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 2369bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik const VertexBuffer& vertexBuffer, const SkPaint* paint, int displayFlags) { 23704063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23716d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2372bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 237365cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2374bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2375bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 23760d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik Rect bounds(vertexBuffer.getBounds()); 23770d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik bounds.translate(translateX, translateY); 237805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 237905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 238065cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 238165cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 238265cd612face362d054a85d0f7e5881c59cd523beChris Craik 2383710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2384710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2385bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik if (isAA) setupDrawAA((displayFlags & kVertexBuffer_ShadowAA)); 2386710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 238776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2388d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 238976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2390710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 2391bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik setupDrawModelView(kModelViewMode_Translate, (displayFlags & kVertexBuffer_Offset), 2392bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik translateX, translateY, 0, 0); 2393d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 239476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2395d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2396858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 239755bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2398710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2399cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2400710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 240163d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 2402710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2403710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2404710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2406710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24076ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24086ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24106ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 241105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 241205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 241363d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 241463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 241505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 241650ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 241750ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 241805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 241963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 242050ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 242163d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2423710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24246ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 242504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 242665cd612face362d054a85d0f7e5881c59cd523beChris Craik 242765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2428858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2429858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2430858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 243165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 243265cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 243365cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 243465cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 243565cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 243665cd612face362d054a85d0f7e5881c59cd523beChris Craik * 243765cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 243899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2439d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 244065cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 244165cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2442d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 244305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(vertexBuffer, paint); 244465cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 244665cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 244765cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 244865cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 244965cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 245165cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 245265cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 245365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245465cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2457d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2458d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246065cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246265cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 246305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 246405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2465d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 246605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2467d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2468d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2469d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2470bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2471bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik return drawVertexBuffer(buffer, paint, displayFlags); 24725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2474d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2475d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2476ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 24776d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 24787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24796d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 248005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 24817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 248305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 24846d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2485ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2486ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2487bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2488bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik return drawVertexBuffer(buffer, paint, displayFlags); 2489ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2490ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2491486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2492e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2493d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2494e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2495d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2496ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 249770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 249876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 249976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 250076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 250176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 250276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2503486590963e2207d68eebd6944fec70d50d41116aChet Haase 2504486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2505c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25069d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2507486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2508d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2509486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 251001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 251101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 251201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 251301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 251401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 251501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2516486590963e2207d68eebd6944fec70d50d41116aChet Haase 2517486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 251801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 251901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2520486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2521d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2522d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2523257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2524710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2525710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 252601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2527cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2528710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2529c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2530710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2531710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2532710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2533710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 25346ac174b97246ed40fe780b29561603b61770fa17Chris Craik const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect( 25356ac174b97246ed40fe780b29561603b61770fa17Chris Craik *currentTransform(), *p, right - left, bottom - top, rx, ry); 253605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(left, top, *vertexBuffer, p); 2537c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 253801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2539d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2540d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(x - radius, y - radius, 2541257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2542257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2543710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2544710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2545cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2546710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2547c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2548710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2549710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2550710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2551710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2552cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2553cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2554cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2555cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2556cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 255765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2558c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 255901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2560486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2561d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2562d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2563257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2564710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2565710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 256601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2567cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2568710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2569c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2570710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2571710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2572710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2573710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2574710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2575cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2576cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2577cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2578710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 257965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2580c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2581c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2582486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2583d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2584d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2585257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2586780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2587780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 25888b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2589780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 259065cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2591780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2592c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2593780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2594780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2595780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2596780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2597780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2598780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2599780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2600780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2601780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2602780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2603780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2604780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2605780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2606780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2607780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2608780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2609780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 261065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26118b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26128b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2613cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2614cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2615cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2616d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2617d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2618d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2619257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2620486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2623710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2624cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2625cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2626cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2627cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2628cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2629c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2630cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2631cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2632cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2633cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2634cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2635cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2636cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2637cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2638cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 263965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2640026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2641026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2642d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2643710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2644710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 264565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2646858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 264776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 264865cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2650c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26519d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2652d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2653d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 265476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2655416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2656416a847633680d94efb926837efdc18726d54918Raph Levien 2657c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2658c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2659c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2660c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2661c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2662416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2663416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2664416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2665416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2666c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2667cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2668cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2669cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2670416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2671416a847633680d94efb926837efdc18726d54918Raph Levien 2672c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2673c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2674416a847633680d94efb926837efdc18726d54918Raph Levien 2675c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha; 2676d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 2677c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2678416a847633680d94efb926837efdc18726d54918Raph Levien } 2679416a847633680d94efb926837efdc18726d54918Raph Levien 2680416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2681416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2682c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 268376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2684d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 268576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2686416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 26874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 26884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2689416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2690416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 269176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2692d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2693416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2694416a847633680d94efb926837efdc18726d54918Raph Levien 2695416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2696416a847633680d94efb926837efdc18726d54918Raph Levien} 2697416a847633680d94efb926837efdc18726d54918Raph Levien 2698768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2699c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2700768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2701768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2702768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2703486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2704d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2705d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2706486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2707eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2708eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2709671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2710d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2711486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2712671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2713671d6cf460531825a321edb200523d0faa7792c9Romain Guy 271439a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 271539a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2716671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2717671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2718d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2719671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2720d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2721d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2722671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2723671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2724b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 272559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2726671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2727671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2728671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2729671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2730671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2731c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2732e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 273376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2734416a847633680d94efb926837efdc18726d54918Raph Levien } 2735416a847633680d94efb926837efdc18726d54918Raph Levien 2736671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2737d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2738671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2739671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2740671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2741257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2742671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2743671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2744671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2745671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2746211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2747671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27481e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2749671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2750257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2751671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2753d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2754671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2755671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2756671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2758486590963e2207d68eebd6944fec70d50d41116aChet Haase 2759486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2760eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2761eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 276259744b79ec302000802cd56d30a1bf70f0183c80Chris Craikbool OpenGLRenderer::findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const { 2763624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 276459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 276559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return false; 276659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } else if (CC_UNLIKELY(transform.isPerspective())) { 276759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 276859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return true; 276959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } 277059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 277159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik /** 2772a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * Input is a non-perspective, scaling transform. Generate a scale-only transform, 2773a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * with values rounded to the nearest int. 277459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik */ 277559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float sx, sy; 277659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik transform.decomposeScale(sx, sy); 2777a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik outMatrix->setScale( 2778a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sx)), 2779a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sy))); 2780a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik return true; 2781624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2782624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 278341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2784d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2785527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2786527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2787527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 278828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 278928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2790d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2791f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 279228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 279328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2794cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2795cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 27963a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 27973a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2798624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2799d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2800624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2801c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2802211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2803624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2804624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 280786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 280886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 280986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28109d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2811c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2812c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2813c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 281459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2815c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 281676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 281919d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 282019d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2821624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2822624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2823624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2824624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2825624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2826624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2827624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2828624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2829624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2830624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2831624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 283259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik SkMatrix fontTransform; 283359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool linearFilter = findBestFontTransform(transform, &fontTransform) 283459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(y - (int) y) > 0.0f 283559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(x - (int) x) > 0.0f; 28363b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2837257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 283806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2839624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2840d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 284141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2843996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 28441e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2845527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2846527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2847527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2848a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28498b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28508b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28518b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 285241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2853996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28548b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 285541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2856996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28574ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2858527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2859624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 286041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2861a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 286241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 28635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2864694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2865e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2866486590963e2207d68eebd6944fec70d50d41116aChet Haase 2867486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2868694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2869694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2870d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2871d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2872d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2873486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 287403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 287503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 287639a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 287739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 287839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2879b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 288059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2881257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 288203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 288303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 288403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 288503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28861e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 28879777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 28889777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 28899777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 289003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 28919777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 28929777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 28939777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 28941e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 28959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2896d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 28979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 28989777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 28999777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2900486590963e2207d68eebd6944fec70d50d41116aChet Haase 2901486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2902325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2903325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2904d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2905d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2906dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2907a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29087fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2909fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2910486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 291122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29127fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29138b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29148b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29158b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 291601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2917486590963e2207d68eebd6944fec70d50d41116aChet Haase 2918486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29197fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29207fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2921a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 292235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2923486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2926b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2927b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2928b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2929b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 29303f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 293114e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2932b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2933b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2934b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 293539a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2936f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2937deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, NULL, false); 29384ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 293935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2940b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2941b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2942b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 294335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 294435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 294535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 294662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("drawLayer," RECT_STRING ", clipRequired %d", x, y, 294762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), clipRequired); 294862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 29495bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29502bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 295139a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 2952a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29536c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2954211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2955c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 295634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 295734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 2958c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 295976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 296016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 2961c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2962c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29638168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 296476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 296576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 2966c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2967c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 296876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 29699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2970d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 2971d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2972d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 29739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2974d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 29754063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 29764ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 29779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2978d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 29794063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 29809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 29819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2982c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2983448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 2984448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 2985448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 2986448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 2987448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 2988448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 29893380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 2990448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 2991448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 2992448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 2993448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 2994448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 2995448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 2996448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 2997448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 2998c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 29993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3000e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3002c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30034ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30045bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30055bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 300676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 300776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 300876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 300976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30104ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3011f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 301234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3013486590963e2207d68eebd6944fec70d50d41116aChet Haase 3014b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3015b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3016b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3017b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3018486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30196c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30206c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3026527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3027527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3028c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3029527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3030527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3034c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3035c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3036c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3039d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3040758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3041758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3042758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 30435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 30455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3047c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3048c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 30495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30505ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 30515ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30525ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30535ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 30556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3057d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 30583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 30593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 30603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 30613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 30623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 30633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 30643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 306501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3066d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3067f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 306801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 306901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 307001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 307101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 307201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 307301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 307401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 307501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 307601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 307701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 307876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3079d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 308076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 308101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 30824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 30834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 308401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 308501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 308676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3087d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 308801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 308901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 309001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 309101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 309201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3093f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 30940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 30950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 30960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 30970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3098d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3099d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3103726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3105211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3106726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3107f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31098b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3111e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3112f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3113f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3114f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3115f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3116f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3117e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3118e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3122e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3123e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3124e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3125e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3130e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3131e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3132e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3133e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3135e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3136726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3137e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3138726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3143d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3144d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3145672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3146672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3147672433d90fab7383cd28beac9d4485b566a90940Romain Guy 314876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3149735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3150735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3151b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craikstatic void mapPointFakeZ(Vector3& point, const mat4& transformXY, const mat4& transformZ) { 3152b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map z coordinate with true 3d matrix 3153b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik point.z = transformZ.mapZ(point); 3154b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 3155b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map x,y coordinates with draw/Skia matrix 3156b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik transformXY.mapPoint(point.x, point.y); 3157b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik} 3158b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 315905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawShadow(float casterAlpha, 316005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3161d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3162f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 316315a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3164f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3165f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3166f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3167ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3168f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3169058fc640017c90120c599d378a4cbc55668b05b7Chris Craik if (ambientShadowVertexBuffer && mAmbientShadowAlpha > 0) { 3170058fc640017c90120c599d378a4cbc55668b05b7Chris Craik paint.setARGB(casterAlpha * mAmbientShadowAlpha, 0, 0, 0); 3171bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint, kVertexBuffer_ShadowAA); 3172ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3173ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 3174058fc640017c90120c599d378a4cbc55668b05b7Chris Craik if (spotShadowVertexBuffer && mSpotShadowAlpha > 0) { 3175058fc640017c90120c599d378a4cbc55668b05b7Chris Craik paint.setARGB(casterAlpha * mSpotShadowAlpha, 0, 0, 0); 3176bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint, kVertexBuffer_ShadowAA); 3177ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 31787b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 31797b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3180f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3181f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 318276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 318376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 31843b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 31853b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 31863b753829ae858d424fe109f714745379a6daf455Romain Guy } 3187735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 318876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 318976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 3190d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 319176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 319276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 319376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3194672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3195672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3196672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3197672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3198672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3199448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3200672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3201672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32022af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3203672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3204672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3205672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3206672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3207672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32083b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32093b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32103b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32113b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3212672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32133b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32143b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32153b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32163b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3217672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3218672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3219f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3220a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3221a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3222672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3223672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3224672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3225d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3226d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 322776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 322876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3229672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3230672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 32314063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 32324063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3233d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3234d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 323576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3236672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3238d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3239672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3240672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32414063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3242672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3243672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3244672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3245672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3246026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 324776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 324876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3249d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3250d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 3251d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3252d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3253d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 325470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 325515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3256d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3257d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 325876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 325976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 326070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 32614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 32624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 3263d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3264d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 326576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 326670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3267c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3268c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3269c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3270c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 327182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3272d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3273d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 32748164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 32753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 32763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 32773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 32783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 32793380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 32803380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 32813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 32823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 32833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 32843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 32853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 32863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 32873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3288d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3289d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3290d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 32916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3292d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 32936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 329476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 32953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 32966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 329767862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 329876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 32993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 330585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 330685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3307f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 330876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33096820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33104063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33114063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33128694230ff25fa0a60e480d424843e56b718f0516Romain Guy 331376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 331476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 331576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 331676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 331776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 331870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 331970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 332070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 332176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 332276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 332370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3324886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33254063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3326886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 332786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 332876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 332970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3330db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33316820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 333282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 333382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 33343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 333576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33374063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33384063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 334076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 334176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 334276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 334376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 334476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 33453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 33463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 33473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 334876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 334976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 33503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 33513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 33533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 33543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 335576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 33563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 33573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 33593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 33603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3361886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 336276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3363886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3365886b275e529e44a59c54b933453d9bc902973178Romain Guy 336676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 336776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 336876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 336976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 337076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3371886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3372886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 337376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3374886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3375886b275e529e44a59c54b933453d9bc902973178Romain Guy } 337676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3377d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 337876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3379886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3380886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33814063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3382886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3383886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 338476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3385d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3386886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3387886b275e529e44a59c54b933453d9bc902973178Romain Guy 3388886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3389886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3390886b275e529e44a59c54b933453d9bc902973178Romain Guy 3391a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3392f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3393deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3394deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mSnapshot->roundRectClipState != NULL /*&& !mSkipOutlineClip*/) { 3395deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3396deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3397deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3398deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3399deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 340078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 340178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 340278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 340378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 340478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 340578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 340678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 340778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 340878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 340978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 341078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 341178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 341278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 341382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3414c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 341582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 341682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 341782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 341882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 341982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 342082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 342133fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34223bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3423a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3424f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3425a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 342682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 342782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 342882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 342982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 343082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 343182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 343282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 343382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3434a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 343582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 343682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 343782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 343882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 343982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 344082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 344182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 344282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 344382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 344482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 344582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 344682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 344782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 344882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3449fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 345082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 345182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3452fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3453bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3454bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3455889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3456d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3457fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3458d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3459fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 34606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3461260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 34626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3463260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3464260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3465026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3466ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 346782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 346882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 346982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 347082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 34718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 34728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3473d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3474be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 347516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 347616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 347787b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 347816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3479d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3480026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3481026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 348276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 348316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 348416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 348516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 348616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 348716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 348816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3489d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 349016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 349116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 34929d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3493e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3494