OpenGLRenderer.cpp revision 443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44
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(); 19169e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik initializeSaveStack(left, top, right, bottom, mLightCenter); 19296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1935f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 19496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 19796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 19896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 19911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 20096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 20196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 20296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 20345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 2043b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getWidth(), getHeight()); 2057d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 21054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 211d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 2122b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2137c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2147c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 21596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 21696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 21796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 21896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 21996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 22096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 22178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 22296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 22396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 22796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 228d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 22996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 23496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2367c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2377c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 238dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 239dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 240dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 241dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2423bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 24314e513058ed4168c94e015638d16f5f87fd8063aChris Craik left <= 0.0f && top <= 0.0f && right >= getWidth() && bottom >= getHeight()) { 244f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 245f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 246f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 247f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 248dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 249dcfc836b457a87881da409e1acf251515f121446Romain Guy } 250dcfc836b457a87881da409e1acf251515f121446Romain Guy} 251dcfc836b457a87881da409e1acf251515f121446Romain Guy 2527c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 25378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 254586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 255a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(left, getViewportHeight() - bottom, right - left, bottom - top); 2566b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 25744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 258ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 25944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 26144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 262ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 263ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 264ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 265ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 266ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 267ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 268ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 270bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 27233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTilingCurrentClip(bool opaque, bool expand) { 27354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 274d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 275d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 27614e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 277d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 278d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 27954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 28054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 28133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTiling(*clip, getViewportHeight(), opaque, expand); 282c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 283c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 284c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 28533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chenvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque, bool expand) { 286c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 28733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen if(expand) { 28833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 28933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int leftNotZero = (clip.left > 0) ? 1 : 0; 29033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen int topNotZero = (windowHeight - clip.bottom > 0) ? 1 : 0; 29133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen 29233f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling( 29333f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.left - leftNotZero, 29433f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen windowHeight - clip.bottom - topNotZero, 29533f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.right - clip.left + leftNotZero + 1, 29633f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen clip.bottom - clip.top + topNotZero + 1, 29733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen opaque); 29833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } else { 29933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen mCaches.startTiling(clip.left, windowHeight - clip.bottom, 30052036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 30133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen } 3022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 3032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3052b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 30654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 3072b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 3082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 309b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 3107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3112b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3122b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 313ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 314ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 315ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 316ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 31705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik mCaches.tessellationCache.trim(); 318ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 319ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 32011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 321b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 322e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik GLUtils::dumpGLErrors(); 323b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 32411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 325c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 326e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 32711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 32811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 32911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 33011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 331c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 33211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 33396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 33478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 33578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 33678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 33778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 33896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 339b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 340b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 34135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 3423b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 3433b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(currentSnapshot()->fbo); 3447c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 34535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 34635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 34735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 34835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 34935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 351d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 352408eb12631376cbdc96803e918decf6ea804d346Chris Craik 353d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 35480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 35580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 356d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 357d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 358d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 359d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 360d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 361d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 36208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 36308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 36408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 36508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 36608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 36708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 368a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.width = getViewportWidth(); 369a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik info.height = getViewportHeight(); 370d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 37180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3723b20251a355c88193c439f928a84ae69483fb488John Reck bool prevDirtyClip = mDirtyClip; 37354f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 37454f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 37554f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 37654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 3773b20251a355c88193c439f928a84ae69483fb488John Reck if (mCaches.enableScissor() || prevDirtyClip) { 37825d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 37925d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 38054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 3813b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.invokeFunctor(functor, DrawGlInfo::kModeDraw, &info); 3823b20251a355c88193c439f928a84ae69483fb488John Reck // Scissor may have been modified, reset dirty clip 3833b20251a355c88193c439f928a84ae69483fb488John Reck dirtyClip(); 384cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 385750ca6dbdb259aea0ca5b77380a9303e586ef3eaJohn Reck return DrawGlInfo::kStatusDrew; 386daf98e941e140e8739458126640183b9f296a2abChet Haase} 387daf98e941e140e8739458126640183b9f296a2abChet Haase 388f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 38987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 39087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 39187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 39262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::eventMarkDEBUG(const char* fmt, ...) const { 39362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#if DEBUG_DETAILED_EVENTS 39462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik const int BUFFER_SIZE = 256; 39562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_list ap; 39662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik char buf[BUFFER_SIZE]; 39762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 39862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_start(ap, fmt); 39962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik vsnprintf(buf, BUFFER_SIZE, fmt, ap); 40062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik va_end(ap); 40162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik eventMark(buf); 40362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#endif 40462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik} 40562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 40662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 4070f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4080f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4090f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4100f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 41187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 41287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 41387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 41687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 4203b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.debugOverdraw(enable, clear); 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 4255f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 42687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 428a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(clip->left, firstSnapshot()->getViewportHeight() - clip->bottom, 42987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 43087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 431627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 433627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 434627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 435627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 43687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 437627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 438627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 439627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 44087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 441627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 442627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 443627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 44487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 445627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 446627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 44787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 44887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 45214e513058ed4168c94e015638d16f5f87fd8063aChris Craik size_t count = getWidth() * getHeight(); 45378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 45414e513058ed4168c94e015638d16f5f87fd8063aChris Craik glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 45578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 45678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 45778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 45878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 45978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 46078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 46278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 46478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 46578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 46687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 46711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 46811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 471a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (layer->deferredUpdateScheduled && layer->renderer 472a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik && layer->renderNode.get() && layer->renderNode->isRenderable()) { 473405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 474405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 47511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4777c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4787c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4797c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4807c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 48369e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik layer->render(*this); 48496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 48569e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik layer->defer(*this); 48696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 490d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4935bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 49434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 50396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 50496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 50596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 50896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 50996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 51096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 51196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 51296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5141206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5151206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 51896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 51996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 52096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 52496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5253b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 52696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 52896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 52996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 53096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 53196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 53296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 53396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 53496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 53596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 53696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 5371206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5381206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 53996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 54002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 54102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 542405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 54302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 54402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 545405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 546405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 54702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 54802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 54996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 55096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 55196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 55296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5533b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 55496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 56011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 56102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 56202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 56302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 56402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 56502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 56602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 56702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 56802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 56902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 57411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 575e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 576e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 577e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 578e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 579e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 580e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 581e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 582e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 583e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 584e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 585e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 586e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 58711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 58811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 58911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 59011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 59111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 59511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 59811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 599405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 600a7c2ea20c43ab797bef5801530687e22e83def8fJohn Reck ATRACE_CALL(); 601405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 602405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 603405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 604405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 605405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 606405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 607405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 608443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reckvoid OpenGLRenderer::markLayersAsBuildLayers() { 609443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck for (size_t i = 0; i < mLayerUpdates.size(); i++) { 610443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck mLayerUpdates[i]->wasBuildLayered = true; 611443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck } 612443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck} 613443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck 61411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 615f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 616f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 617f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 61814e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 619a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bool restoreViewport = removed.flags & Snapshot::kFlagIsFboLayer; 62014e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 62114e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 622bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 623a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (restoreViewport) { 6243b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 626eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6272542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 628746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6298fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6302542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6315ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6327273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 6337273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 63414e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 6357273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 6365ec9924d24495822b589f1a17996655d66273b30Romain Guy } 637d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6385cbbce535744b89df5ecea95de21ee3733298260Romain Guy 639f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 640bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 641bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 642bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 643bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 645eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 646d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 647d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 6483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik createLayer(left, top, right, bottom, paint, flags, convexMask); 649dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 650d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 651d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 652bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 653bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 654d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 655d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 656d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 657d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 658d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 659d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 660d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 661d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 662d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 663d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 664d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 665d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 666d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 667924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik const Snapshot& previous = *(currentSnapshot()->previous); 668924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik Rect previousViewport(0, 0, previous.getViewportWidth(), previous.getViewportHeight()); 669924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik if (!bounds.intersect(previousViewport)) { 670d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 671d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 672d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 673d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 674d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 675d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 676d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 677d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 678d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 679d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 680d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 681d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 682d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 683d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 684d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 685d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 686d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 687d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 688d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 689408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 690408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 691408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 692408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 693408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 694408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 695408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 69674cf7e6a25c6d7b331c231b7bc2512044f9d2950Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= 0 && fboLayer); 697408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 698408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 699408eb12631376cbdc96803e918decf6ea804d346Chris Craik 700d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 701d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 702d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 703d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 704d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 705d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 706d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 707d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 708d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 709d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 710d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 711d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 712d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 713d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 714d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 715d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 716d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 717a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 718deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 719d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 720d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 721d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 722d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 723d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 724d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 7251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 7261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 7271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 7281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 7291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 7301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 7311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 7321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 7341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 7351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 7361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 7371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 7381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 7391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 7401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 7426b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 7436b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 7446b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 7456b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 7461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 7481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 7491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 75087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 7511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 7521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 7531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 77087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 77187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 77287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 77387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 77487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 776d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 7773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 778eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 779fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 780dda570201ac851dd85af3861f7e575721d3345daRomain Guy 781eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 782eb99356a0548684a501766e6a524529ab93304c8Romain Guy 783f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 784d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7858aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 786d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 787674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, getAlphaDirect(paint)); 788dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 789dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 790d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 791b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 792b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 793dda570201ac851dd85af3861f7e575721d3345daRomain Guy 794a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7953b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = mCaches.layerCache.get(mRenderState, bounds.getWidth(), bounds.getHeight()); 796f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 797f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 798bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 799bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 800674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger layer->setPaint(paint); 8018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 804d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 805a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 8067c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 8073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(convexMask); // note: the mask must be cleared before returning to the cache 808dda570201ac851dd85af3861f7e575721d3345daRomain Guy 8098fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 810d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 811d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 8121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8137273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 814eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 815e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 816eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 817eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 8189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 819514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 8209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 821b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 822b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 823b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 824b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 825b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 826b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 8279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 828514fb18827186591d66973c2362c859b64b63556Romain Guy } 8297b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 830a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 831a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.left, getViewportHeight() - bounds.bottom, 832a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.getWidth(), bounds.getHeight()); 833b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 83454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 83554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 836ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 837eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 838f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 839d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 840bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 841bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 842e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 843c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 846d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 847a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer; 848d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 849d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 850d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 851a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 852deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8542b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8557c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8573b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(layer->getFbo()); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8620908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 86933f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 87033f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTilingCurrentClip(true, true); 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 873586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8748f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8813b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(bounds.getWidth(), bounds.getHeight()); 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 88814e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 88914e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8903762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8931d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 89414e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 89614e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 897eb99356a0548684a501766e6a524529ab93304c8Romain Guy 89839a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 899f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 900deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, NULL, false); // safely ignore return, should never be rejected 90139a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 90239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 903eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9052b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 906e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 907e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 9088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 9108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 911eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 9123b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(restored.fbo); 9137c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 9142b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 915d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 916eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 917eb99356a0548684a501766e6a524529ab93304c8Romain Guy 9189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 91976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 92076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 92176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 92276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 92376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 92476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 9255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 9269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 927f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 928f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 92903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 9308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 931a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 935eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 93614e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 940a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 941a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 942a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 943a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 944a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 9459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 946a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 947eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9481d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 949746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 950746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 951eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(NULL); 9538550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 955603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9561d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9581d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 959aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9602458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 961aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 962aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9678f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9688f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 969aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 97076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 97176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 973aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 97476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9778f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9798f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 980d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9819757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 982ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 983ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 984d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 985d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 987d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9894063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 991d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9924063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9934063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9963380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 997aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 998aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 999aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1000aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 10015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 100262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (layer->isTextureLayer()) { 100362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeTextureLayerRect"); 100462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 100562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik drawTextureLayer(layer, rect); 100662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 100762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 100862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeHardwareLayerRect"); 1009aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1010aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1011aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 10125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 10149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 1015d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 1016ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1017b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1018b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1019b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 10219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 1022d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1023d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 10249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1026d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 10279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1028d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 103176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 103276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 103376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 103476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 103576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 103676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 103876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10393380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1042aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1043aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 104634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 104734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 104834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 104934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 105034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 105134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 105234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 105334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 105534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 105634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 105734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 105834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 105934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 106034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 106134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 106234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 1063d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 1064d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 1065d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass LayerShader : public SkShader { 1066d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIpublic: 1067d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 1068d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III : INHERITED(localMatrix) 1069d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III , mLayer(layer) { 1070d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1071d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1072d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool asACustomShader(void** data) const { 1073d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (data) { 1074d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III *data = static_cast<void*>(mLayer); 1075d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1076d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return true; 1077d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1078d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1079d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool isOpaque() const { 1080d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return !mLayer->isBlend(); 1081d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1082d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1083d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprotected: 1084d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 1085d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 1086d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1087d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1088d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void flatten(SkWriteBuffer&) const { 1089d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 1090d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1091d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1092d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual Factory getFactory() const { 1093d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 1094d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return NULL; 1095d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1096d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprivate: 1097d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // Unowned. 1098d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III Layer* mLayer; 1099d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III typedef SkShader INHERITED; 1100d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III}; 1101d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 11025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 11043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 11063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 11073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 11093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 11103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11113f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 11123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 11133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 11143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11153f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 11163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 11173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 11183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 1119d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 1120d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(&layerShader); 11213f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 11233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 11263f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1127d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(NULL); 11283f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 11293f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11303f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 11313f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11323f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11349fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11359fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 113634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11379fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 114262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("composeLayerRegion"); 11433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // standard Region based draw 11443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik size_t count; 11453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* rects; 11463f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Region safeRegion; 11473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = layer->region.getArray(&count); 11493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = safeRegion.getArray(&count); 11523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float alpha = getLayerAlpha(layer); 11553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texX = 1.0f / float(layer->getWidth()); 11563f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texY = 1.0f / float(layer->getHeight()); 11573f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float height = rect.getHeight(); 11585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11593f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDraw(); 11608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11613f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // We must get (and therefore bind) the region mesh buffer 11623f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // after we setup drawing in case we need to mess with the 11633f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // stencil buffer in setupDraw() 11643f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex* mesh = mCaches.getRegionMesh(); 11653f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik uint32_t numQuads = 0; 11665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11673f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawWithTexture(); 11683f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColor(alpha, alpha, alpha, alpha); 11693f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilter(layer->getColorFilter()); 11703f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawBlending(layer); 11713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawProgram(); 11723f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawDirtyRegionsDisabled(); 11733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawPureColorUniforms(); 11743f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilterUniforms(layer->getColorFilter()); 11753f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawTexture(layer->getTexture()); 11763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (currentTransform()->isPureTranslate()) { 11773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 11783f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 11803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_NEAREST); 11813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11843f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_LINEAR); 11853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rect.left, rect.top, rect.right, rect.bottom); 11873f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11883f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 11895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik for (size_t i = 0; i < count; i++) { 11913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* r = &rects[i]; 11923f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11933f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u1 = r->left * texX; 11943f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v1 = (height - r->top) * texY; 11953f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u2 = r->right * texX; 11963f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v2 = (height - r->bottom) * texY; 11975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // TODO: Reject quads outside of the clip 11993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 12003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 12013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 12023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12033f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads++; 12053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads >= gMaxNumberOfQuads) { 120734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 120834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12093f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads = 0; 12103f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik mesh = mCaches.getRegionMesh(); 12115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12123f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12133f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 12143f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads > 0) { 12153f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 12163f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik GL_UNSIGNED_SHORT, NULL)); 12173f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 12185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik drawRegionRectsDebug(layer->region); 12215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->region.clear(); 12245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1227e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 12283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 124576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 124676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 124876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1251e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 125376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 126676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1271f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1274f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1280f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1282f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12831bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12841bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12851bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12861bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1287d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 12881bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12891bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12901bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12911bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1297448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1298448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1299448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1300448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 13013380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1302448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1303448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1304448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1305448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1306448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1307448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1308448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1309448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1310448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 131154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 131254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 131454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1315d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 131662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("clearLayerRegions"); 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 131854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 131954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 132054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 132254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 132354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 132554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1326448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 132754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 133054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 133154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 133454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 133554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 133654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 133854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1339e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1340e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1341e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1342e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 134354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 134476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 134576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 134676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 134754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 134854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 134976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 135054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 135154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 135454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13554063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13568a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13578a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 136154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1362e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 136354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 136454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 136554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1366bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1367c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1368c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1369c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1370ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1371d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1372d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1373c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1374ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1375ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1376ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1377d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 137828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13795e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13805e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13815e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13825e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1383d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1384ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1385ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1386ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 138728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1388a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1389d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 139028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 139128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1392d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1393d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1394d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1395d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 139628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 139728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1398ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1399d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1400d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1401d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1402d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1403c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1404ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1405ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1406527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1407527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1408d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1409c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1410c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14117273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14127273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1413d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 14147273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1415d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1416deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1417deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1418deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1419c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1420c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1421c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1422527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 142314e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 14247273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 142514e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1426deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = state.mRoundRectClipState; 1427ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1428527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 142928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 143028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1431ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1432ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1433c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1434c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 143528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 143628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 143728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 143828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 143928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 144028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 144128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 144228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 144328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 144428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 144528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 144614e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 144728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1448527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 144928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1450527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1451527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1452c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1453f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1454f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1455f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1456bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1457d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1458e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14598f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1460a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (mCaches.setScissor(clip.left, getViewportHeight() - clip.bottom, 14618a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14628a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14638a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14649d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14659d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1471d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1478c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1479c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1480c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1481c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1482c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14838d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14843bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1486c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1487f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1493d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 149462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - enabling"); 149562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1504deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // Clear and update the stencil, but first make sure we restrict drawing 15058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1512deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1513deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1514deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1515deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 15168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 151776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 151898d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik paint.setColor(SK_ColorBLACK); 151976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 152076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 152776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 1528deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (resetScissor) mCaches.disableScissor(); 1529deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15323ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15333ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15343ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15353ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 153676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 153776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 153876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15393ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 154162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("setStencilFromClip - disabling"); 15428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1547f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1548f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1549f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1550f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1551f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1552f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1553f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1554d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1555f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15565e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1557f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1558cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1559f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1560f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1561f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1562f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1563cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1564cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1565deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1566deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1567deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, 1568deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1569dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1570dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1571dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1572f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik // not quick rejected, so enable the scissor if clipRequired 1573f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1574f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mSkipOutlineClip = !roundRectClipRequired; 157539a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1576c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1577c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1579735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1580f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 158176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 158276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 158376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 158476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1588735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1589f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 159070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 159270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craikvoid OpenGLRenderer::setupDraw(bool clearLayer) { 1594f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 15958a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 159662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) clearLayerRegions(); 15978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1599b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1600b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1601b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1602b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 160362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 160462d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik if (clearLayer) { 160562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik setStencilFromClip(); 160662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } else { 160762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // While clearing layer, force disable stencil buffer, since 160862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik // it's invalid to stencil-clip *during* the layer clear 160962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik mCaches.stencil.disable(); 161062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik } 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16123ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16143ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 161670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 161770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 161870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 161970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16203ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16213ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16223ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16233ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16243ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16253ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 162678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 162778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 163170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 163270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1635ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1636ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1637ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1638ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1639ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1640ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1641aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1643aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1644aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 164515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1646ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 164715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 164815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 164991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craikvoid OpenGLRenderer::setupDrawVertexAlpha(bool useShadowAlphaInterp) { 165091a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik mDescription.hasVertexAlpha = true; 165191a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik mDescription.useShadowAlphaInterp = useShadowAlphaInterp; 16525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1656886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1657886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1658886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 165970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1660e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 166270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 166386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 166486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1665886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1666886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1667886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 166886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1669e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 167086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 167186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16724121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16734121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16744121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16754121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 167670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 168070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 168170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1682e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 168370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1685d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 1686d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader != NULL) { 1687d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 169276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 169376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 169476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 169576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 169676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 169776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 169876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 169976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 170076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 170176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 170270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 170370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1705f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1706f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1707f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1708f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 170954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1710f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1711f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1712f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 1713d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIstatic bool isBlendedColorFilter(const SkColorFilter* filter) { 1714d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (filter == NULL) { 1715d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return false; 1716d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1717d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0; 1718d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III} 1719d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 172076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 172176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1722f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1723f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1724f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1725d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 172676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 1727d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter()); 1728c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 172970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 173276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1733f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1734f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1735f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1736c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1737d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 1738d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III isBlendedColorFilter(getColorFilter(paint)); 1739c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 174070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 174370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1744deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1745deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1746deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* state = mSnapshot->roundRectClipState; 1747af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik const Rect& innerRect = state->innerRect; 1748deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1749af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.left, innerRect.top, 1750af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik innerRect.right, innerRect.bottom); 1751deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 1752af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik state->radius); 1753deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1754deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 1755deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 175870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 175970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 176070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 176170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1764e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 17654063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1766e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 176770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17684063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 176986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1770a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1771a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.currentProgram->set(mSnapshot->getOrthoMatrix(), mModelViewMatrix, transformMatrix, offset); 1772a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1773a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1774a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1775a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1776a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1777a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 177886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 177970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1781d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 1782d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 178370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 178470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 178570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 178986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17905536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17915536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17925536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 1793d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 1794d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader == NULL) { 1795d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return; 1796d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1797d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1798d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (ignoreTransform) { 1799d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 1800d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // because it was built into modelView / the geometry, and the description needs to 1801d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // compensate. 1802d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mat4 modelViewWithoutTransform; 1803d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 1804d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 1805d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 180670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1807d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1808d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 180970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 181070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 181276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 181576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 181776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 181876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 181976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 182076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 182176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 182276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 182376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 182476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 182576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 182676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 182776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 182976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 183076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 183276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 183376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 183476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 183576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 183676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 183876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 183976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 184076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 184176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 184276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 184376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 184476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 184576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 184676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 184776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 184876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 184970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 185076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 185176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 185270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18544121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18554121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18564121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18574121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 185870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1859f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1860cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 186115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 186270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1865257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18662d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 186715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 186870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1870aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1871aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18722d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 187315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1874aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1875aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18768f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18778f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18788f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18798f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18808f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1881aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1882aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1883aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1884aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1885564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1886564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1887f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1889f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 189070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1891f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 189270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1893d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1894cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 189515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1896cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 189715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 189815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 189915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 190015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 190115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1902564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1903564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1904ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1905ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1906ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1907ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1908ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1909ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1910ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1911ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1912ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1913ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1914ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1915ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1916ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1917ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1918ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1919ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1920564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1921564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 193163d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 19323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1933cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 193415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1935cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 193770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 193870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1939448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1940f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 194163d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1942cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1946f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1947f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1948f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1949a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craikstatus_t OpenGLRenderer::drawRenderNode(RenderNode* renderNode, Rect& dirty, int32_t replayFlags) { 195058d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19510fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19520fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 1953a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (renderNode && renderNode->isRenderable()) { 1954f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1955a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->computeOrdering(); 1956d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 195758d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1958ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1959a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->replay(replayStruct, 0); 196058d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1961c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1962c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 196328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1964d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1965ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1966a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->defer(deferStruct, 0); 196796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 196896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 196958d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 197096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1971f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19720fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19737b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19743a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // Even if there is no drawing command(Ex: invisible), 19753a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen // it still needs startFrame to clear buffer and start tiling. 19763a1bffa835f279628e50385af3c85789bc737f64henry.uh_chen return startFrame(); 19770fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19780fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1979d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1980886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1981886b275e529e44a59c54b933453d9bc902973178Romain Guy 1982a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1983a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1984a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1985886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1986886b275e529e44a59c54b933453d9bc902973178Romain Guy 1987a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1988d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1989d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1990d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1991a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1992a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1993886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1994886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 199567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 19965b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1997e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 2000886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 200176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2003a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2004a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 200503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 200603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 200703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 200803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 200903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2010d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2011d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 2012d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 2013527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 201455b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2015527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2017527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2018527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2019527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 202067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 2021527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2022527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2023527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20241103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2025527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 202676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2029527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2030527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 203176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20324063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20334063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2034527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2035527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2036527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2037527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2038527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2039796475006f5d670e8383a2050f11719522437a43Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) { 2040796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2041486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2044a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2046486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 204822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20491103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2050796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2051a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2052796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2053a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2054486590963e2207d68eebd6944fec70d50d41116aChet Haase 2055486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2058796475006f5d670e8383a2050f11719522437a43Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, const SkPaint* paint) { 2059796475006f5d670e8383a2050f11719522437a43Chris Craik if (quickRejectSetupScissor(0, 0, bitmap->width(), bitmap->height())) { 2060486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2061e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2062e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2063e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2064e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2065e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2066e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 20671103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2068796475006f5d670e8383a2050f11719522437a43Chris Craik drawAlphaBitmap(texture, 0, 0, paint); 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2070796475006f5d670e8383a2050f11719522437a43Chris Craik drawTextureRect(0, 0, bitmap->width(), bitmap->height(), texture, paint); 2071886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2072486590963e2207d68eebd6944fec70d50d41116aChet Haase 2073486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2074e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2075e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2076d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2077d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2078d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2079486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 20815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 208239a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 208339a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 208439a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2085b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2086b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2087b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2088b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2089b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2090a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2091b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2092564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2093564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2094564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2095ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2096ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2097ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2098ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2099d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2100d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2101d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2102ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2103ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2104a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2129ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2130ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2131ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2133ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2134ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2135ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2136b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2137a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2138a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2139a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2140a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2144f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2145ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2146a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2147a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2148a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2149ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2155ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2156a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2157a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2158a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 215967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2160a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2161a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2162a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2163a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2164a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2165ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2166ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2167a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2168d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2169b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2170b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2171ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2172ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2173ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 217476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 217576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2176ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2177ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 21784063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2179ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2180ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 218176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 21823380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2183ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2184ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2185ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2186ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2187ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2188ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2189ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2190ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2191ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2192486590963e2207d68eebd6944fec70d50d41116aChet Haase 2193486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 21955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2196d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 21978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 21988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2199d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2200f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2201486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2204a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2206486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 220722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2211c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2218c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 221903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2222d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2223d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2224886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2225886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2227886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2228886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2229886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2230886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2231d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2232886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2233b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2234d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2235d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2236d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2237886b275e529e44a59c54b933453d9bc902973178Romain Guy 2238886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2239886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2240886b275e529e44a59c54b933453d9bc902973178Romain Guy 2241886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2242886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2243886b275e529e44a59c54b933453d9bc902973178Romain Guy 224467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2245886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 224767862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2248886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2252886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2253886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2254886b275e529e44a59c54b933453d9bc902973178Romain Guy 2255886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2256886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2257886b275e529e44a59c54b933453d9bc902973178Romain Guy 2258886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2259886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2260886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2261886b275e529e44a59c54b933453d9bc902973178Romain Guy 22621103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22653380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2266886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2267886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2268886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22703380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2271886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2272886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2273886b275e529e44a59c54b933453d9bc902973178Romain Guy 2274886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2275886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2279486590963e2207d68eebd6944fec70d50d41116aChet Haase 2280486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2281ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2282ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2283d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2284d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2285f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 22864c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 22874c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 22884c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 22894c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 22904c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 22914c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 22924c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 229303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2294be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2295be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2296d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2297d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2298d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2299f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2300486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2303211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2304a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2305a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2306a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2307a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2309a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2310a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2311a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2312d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23148168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2315d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2316d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23198ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2320211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2321c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2322c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2323c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2325c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2326d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23314063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2332211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2333d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2334d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23384063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23394063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23404063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 234276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 234376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23444063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23454063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2346054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2347486590963e2207d68eebd6944fec70d50d41116aChet Haase 2348486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2349f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2350f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 235103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 235203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 235303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 235403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 235503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2356d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2357d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 235803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 235903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 236003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 236103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 236203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 236403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 236503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 236776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23684063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 236903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 237003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 237103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 237203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 237305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 2374bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik const VertexBuffer& vertexBuffer, const SkPaint* paint, int displayFlags) { 23754063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23766d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2377bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 237865cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2379bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2380bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 23810d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik Rect bounds(vertexBuffer.getBounds()); 23820d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik bounds.translate(translateX, translateY); 238305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 238405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 238565cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 238665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 238765cd612face362d054a85d0f7e5881c59cd523beChris Craik 2388710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2389710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 239091a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik if (isAA) setupDrawVertexAlpha((displayFlags & kVertexBuffer_ShadowInterp)); 2391710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 239276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2393d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 239476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2395710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 2396bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik setupDrawModelView(kModelViewMode_Translate, (displayFlags & kVertexBuffer_Offset), 2397bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik translateX, translateY, 0, 0); 2398d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 239976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2400d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2401858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 240255bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2403710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2404cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 240663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 2407710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2410710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2411710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24126ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2414710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24156ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 241605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 241705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 241863d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 241963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 242005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 242150ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 242250ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 242305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 242463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 242550ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 2426d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui } else if (mode == VertexBuffer::kIndices) { 2427d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui mCaches.unbindIndicesBuffer(); 2428d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui glDrawElements(GL_TRIANGLE_STRIP, vertexBuffer.getIndexCount(), GL_UNSIGNED_SHORT, 2429d5e8ade498b41b42874273cbfa375aed7b4d6a08ztenghui vertexBuffer.getIndices()); 243063d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24317b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2432710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 243404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 243565cd612face362d054a85d0f7e5881c59cd523beChris Craik 243665cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2437858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2438858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2439858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 244065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 244165cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 244265cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 244365cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 244465cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 244565cd612face362d054a85d0f7e5881c59cd523beChris Craik * 244665cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 244799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2448d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 244965cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 245065cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2451d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 245205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(vertexBuffer, paint); 245365cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 245865cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245965cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 246065cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 246165cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 246265cd612face362d054a85d0f7e5881c59cd523beChris Craik * 246365cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 246465cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 246565cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2466d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2467d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246965cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24707b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 247165cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 247205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 247305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2474d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 247505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2476d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2477d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2478d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2479bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2480bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik return drawVertexBuffer(buffer, paint, displayFlags); 24815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2483d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2484d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2485ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 24866d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 24877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24886d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 248905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 24907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 249105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 249205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 24936d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2494ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2495ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2496bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik int displayFlags = paint->isAntiAlias() ? 0 : kVertexBuffer_Offset; 2497bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik return drawVertexBuffer(buffer, paint, displayFlags); 2498ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2499ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2500486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2501e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2502d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2503e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2504d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2505ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 250670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 250776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 250876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 250976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 251076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 251176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2512486590963e2207d68eebd6944fec70d50d41116aChet Haase 2513486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2514c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25159d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2516486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2517d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2518486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 251901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 252001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 252101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 252201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 252301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 252401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2525486590963e2207d68eebd6944fec70d50d41116aChet Haase 2526486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 252701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 252801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2529486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2530d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2531947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2532947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2533947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2534710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2535710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 253601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2537cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2538710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2539c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2540710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2541710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2542710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2543710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 25446ac174b97246ed40fe780b29561603b61770fa17Chris Craik const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect( 25456ac174b97246ed40fe780b29561603b61770fa17Chris Craik *currentTransform(), *p, right - left, bottom - top, rx, ry); 254605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(left, top, *vertexBuffer, p); 2547c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 254801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2549d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2550947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2551947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(x - radius, y - radius, x + radius, y + radius, p) 2552947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2553710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2554710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2555cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2557c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2558710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2559710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2560710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2561710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2562cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2563cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2564cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2565cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2566cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 256765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2568c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 256901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2570486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2571d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2572947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2573947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2574947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2575710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2576710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 257701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2578cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2579710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2580c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2581710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2582710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2583710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2584710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2585710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2586cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2587cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2588cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2589710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 259065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2591c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2592c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2593486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2594d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2595947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2596947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2597947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2598780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2599780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 26008b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2601780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 260265cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2603780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2604c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2605780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2606780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2607780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2608780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2609780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2610780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2611780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2612780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2613780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2614780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2615780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2616780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2617780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2618780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2619780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2620780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2621780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 262265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26238b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26248b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2625cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2626cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2627cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2628d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2629d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2630947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik if (currentSnapshot()->isIgnored() 2631947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || quickRejectSetupScissor(left, top, right, bottom, p) 2632947eabf42d835d0dfb0daa2fe6d869139c7000d6Chris Craik || paintWillNotDraw(*p)) { 2633486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2636710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2637cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2638cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2639cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2640cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2641cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2642c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2643cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2644cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2645cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2646cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2647cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2648cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2649cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2650cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2651cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 265265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2653026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2654026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2655d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2656710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2657710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 265865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2659858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 266076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 266165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2662858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2663c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26649d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2665d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2666d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 266776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2668416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2669416a847633680d94efb926837efdc18726d54918Raph Levien 2670c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2671c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2672c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2673c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2674c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2675416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2676416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2677416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2678416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2679c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2680cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2681cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2682cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2683416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2684416a847633680d94efb926837efdc18726d54918Raph Levien 2685c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2686c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2687416a847633680d94efb926837efdc18726d54918Raph Levien 2688c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha; 2689d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 2690c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2691416a847633680d94efb926837efdc18726d54918Raph Levien } 2692416a847633680d94efb926837efdc18726d54918Raph Levien 2693416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2694416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2695c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 269676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2697d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 269876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2699416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 27004063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 27014063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2702416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2703416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 270476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2705d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2706416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2707416a847633680d94efb926837efdc18726d54918Raph Levien 2708416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2709416a847633680d94efb926837efdc18726d54918Raph Levien} 2710416a847633680d94efb926837efdc18726d54918Raph Levien 2711768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2712c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2713768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2714768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2715768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2716486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2717d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2718d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2719486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2720eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2721eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2722671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2723d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2724486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2725671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2726671d6cf460531825a321edb200523d0faa7792c9Romain Guy 272739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 272839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2729671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2730671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2731d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2732671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2733d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2734d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2735671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2736671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2737b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 273859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2739671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2740671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2741671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2742671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2743671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2744c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2745e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 274676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2747416a847633680d94efb926837efdc18726d54918Raph Levien } 2748416a847633680d94efb926837efdc18726d54918Raph Levien 2749671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2750d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2751671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2753671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2754257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2755671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2756671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2759211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2760671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27611e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2762671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2763257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2764671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2765671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2766d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2767671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2768671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2769671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2770671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2771486590963e2207d68eebd6944fec70d50d41116aChet Haase 2772486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2773eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2774eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 277559744b79ec302000802cd56d30a1bf70f0183c80Chris Craikbool OpenGLRenderer::findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const { 2776624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 277759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 277859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return false; 277959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } else if (CC_UNLIKELY(transform.isPerspective())) { 278059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 278159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return true; 278259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } 278359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 278459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik /** 2785a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * Input is a non-perspective, scaling transform. Generate a scale-only transform, 2786a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik * with values rounded to the nearest int. 278759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik */ 278859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float sx, sy; 278959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik transform.decomposeScale(sx, sy); 2790a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik outMatrix->setScale( 2791a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sx)), 2792a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik roundf(fmaxf(1.0f, sy))); 2793a736cd9d3587a120e5233d627cd8bf06353be107Chris Craik return true; 2794624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2795624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 279641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2797d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2798527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2799527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2800527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 280128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 280228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2803d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2804f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 280528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 280628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2807cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2808cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28093a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28103a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2811624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2812d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2813624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2814c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2815211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2816624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2817624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 282086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 282186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 282286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28239d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2824c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2825c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2826c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 282759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2828c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 282976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 283219d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 283319d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2834624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2835624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2836624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2837624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2838624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2839624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2840624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2841624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2842624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2843624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2844624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 284559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik SkMatrix fontTransform; 284659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool linearFilter = findBestFontTransform(transform, &fontTransform) 284759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(y - (int) y) > 0.0f 284859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(x - (int) x) > 0.0f; 28493b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2850257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 285106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2852624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2853d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 285441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2856996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 28571e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2858527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2859527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2860527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2861a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28628b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28638b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28648b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 286541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2866996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28678b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 286841541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2869996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28704ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2871527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2872624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 287341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2874a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 287541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 28765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2877694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2878e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2879486590963e2207d68eebd6944fec70d50d41116aChet Haase 2880486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2881694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2882694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2883d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2884d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2885d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2886486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 288703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 288803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 288939a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 289039a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 289139a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2892b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 289359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2894257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 289503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 289603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 289703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 289803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28991e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 29009777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 290303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29071e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 29089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2909d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29109777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2913486590963e2207d68eebd6944fec70d50d41116aChet Haase 2914486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2915325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2916325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2917d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2918d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2919dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2920a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29217fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2922fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2923486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 292422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29257fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29268b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29278b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29288b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 292901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2930486590963e2207d68eebd6944fec70d50d41116aChet Haase 2931486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29337fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2934a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 293535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2936486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29386c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2939b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2940b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2941b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2942b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 29433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 294414e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2945b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2946b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2947b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 294839a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2949f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2950deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, NULL, false); 29514ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 295235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2953b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2954b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2955b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 295635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 295735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 295835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 295962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik EVENT_LOGD("drawLayer," RECT_STRING ", clipRequired %d", x, y, 296062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), clipRequired); 296162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 29625bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29632bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 296439a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 2965a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29666c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2967211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2968c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 296934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 297034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 2971c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 297276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 297316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 2974c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2975c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29768168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 297776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 297876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 2979c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2980c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 298176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 29829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2983d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 2984d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2985d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 29869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2987d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 29884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 29894ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 29909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2991d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 29924063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 29939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 29949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2995c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2996448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 2997448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 2998448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 2999448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3000448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3001448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 30023380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 3003448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3004448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3005448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3006448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3007448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3008448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3009448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3010448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3011c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3013e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3015c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30164ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30175bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30185bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 301976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 302076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 302176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 302276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30234ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3024f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 302534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3026486590963e2207d68eebd6944fec70d50d41116aChet Haase 3027b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3028b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3029b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3030b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3031486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3039527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3040527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3041c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3042527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3043527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3047c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3048c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3049c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30505ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30515ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3052d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3053758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3054758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3055758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 30565ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30575ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 30585ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3060c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3061c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 30625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 30645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 30686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3070d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 30713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 30723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 30733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 30743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 30753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 30763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 30773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 307801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3079d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3080f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 308101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 308201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 308301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 308401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 308501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 308601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 308701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 308801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 308901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 309001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 309176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3092d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 309376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 309401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 30954063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 30964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 309701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 309801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 309976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3100d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 310101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 310201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 310301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 310401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 310501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3111d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3112d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3116726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3118211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3119726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3120f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31228b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3124e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3125f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3126f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3127f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3128f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3129f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3130e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3131e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3135e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3136e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3137e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3138e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3143e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3144e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3145e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3146e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3148e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3149726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3150e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3151726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3156d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3157d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3158672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3159672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3160672433d90fab7383cd28beac9d4485b566a90940Romain Guy 316176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3162735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3163735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3164b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craikstatic void mapPointFakeZ(Vector3& point, const mat4& transformXY, const mat4& transformZ) { 3165b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map z coordinate with true 3d matrix 3166b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik point.z = transformZ.mapZ(point); 3167b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 3168b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map x,y coordinates with draw/Skia matrix 3169b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik transformXY.mapPoint(point.x, point.y); 3170b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik} 3171b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 317205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawShadow(float casterAlpha, 317305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3174d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3175f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 317615a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3177f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3178f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3179f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3180ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3181f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 318214a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui // The caller has made sure casterAlpha > 0. 318314a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui float ambientShadowAlpha = mAmbientShadowAlpha; 318414a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (CC_UNLIKELY(mCaches.propertyAmbientShadowStrength >= 0)) { 318514a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui ambientShadowAlpha = mCaches.propertyAmbientShadowStrength; 318614a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui } 318714a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 318814a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui paint.setARGB(casterAlpha * ambientShadowAlpha, 0, 0, 0); 318991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint, kVertexBuffer_ShadowInterp); 3190ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3191ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 319214a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui float spotShadowAlpha = mSpotShadowAlpha; 319314a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (CC_UNLIKELY(mCaches.propertySpotShadowStrength >= 0)) { 319414a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui spotShadowAlpha = mCaches.propertySpotShadowStrength; 319514a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui } 319614a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 319714a4e35208b7e97bbfa38f36130827c86bfafc2bztenghui paint.setARGB(casterAlpha * spotShadowAlpha, 0, 0, 0); 319891a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint, kVertexBuffer_ShadowInterp); 3199ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 32007b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 32017b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3202f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3203f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 320476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 320576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32063b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32073b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32083b753829ae858d424fe109f714745379a6daf455Romain Guy } 3209735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 321076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 321176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 3212d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 321376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 321476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 321576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3216672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3217672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3218672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3219672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3220672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3221448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3222672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3223672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32242af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3225672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3226672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3227672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3228672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3229672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32303b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32313b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32323b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32333b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3234672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32353b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32363b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32373b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32383b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3239672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3240672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3241f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3242a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3243a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3244672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3245672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3246672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3247d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3248d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 324976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 325076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3251672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3252672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 32534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 32544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3255d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3256d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 325776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3258672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3260d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3261672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3262672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3264672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3265672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3266672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3267672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3268026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 326976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 327076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3271d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3272d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 3273d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3274d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3275d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 327670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 327715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3278d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3279d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 328076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 328176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 328270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 32834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 32844063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 3285d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3286d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 328776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 328870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3289c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3290c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3291c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3292c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 329382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3294d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3295d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 32968164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 32973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 32983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 32993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33013380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 33023380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 33033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3311d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3312d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3314d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 331676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 331967862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 332076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 332785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 332885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3329f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 333076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33316820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33324063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33334063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33348694230ff25fa0a60e480d424843e56b718f0516Romain Guy 333576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 333676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 333776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 333876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 333976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 334070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 334170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 334270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 334376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 334476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 334570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3346886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33474063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3348886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 334986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 335076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 335170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3352db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33536820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 335482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 335582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 33563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 335776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33594063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 336276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 336376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 336476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 336576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 336676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 33673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 33683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 33693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 337076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 337176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 33723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 33733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33744063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 33753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 33763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 337776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 33783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 33793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 33813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 33823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3383886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 338476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3385886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33864063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3387886b275e529e44a59c54b933453d9bc902973178Romain Guy 338876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 338976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 339076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 339176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 339276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3393886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3394886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 339576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3396886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3397886b275e529e44a59c54b933453d9bc902973178Romain Guy } 339876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3399d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 340076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3401886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3402886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3404886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3405886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 340676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3407d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3408886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3409886b275e529e44a59c54b933453d9bc902973178Romain Guy 3410886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3411886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3412886b275e529e44a59c54b933453d9bc902973178Romain Guy 3413a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3414f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3415deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3416deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mSnapshot->roundRectClipState != NULL /*&& !mSkipOutlineClip*/) { 3417deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3418deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3419deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3420deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3421deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 342278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 342378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 342478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 342578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 342678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 342778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 342878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 342978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 343078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 343178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 343278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 343378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 343478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 343582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3436c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 343782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 343882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 343982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 344082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 344182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 344282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 344333fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34443bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3445a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3446f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3447a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 344882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 344982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 345082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 345182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 345282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 345382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 345482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 345582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3456a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 345782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 345882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 345982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 346082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 346182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 346282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 346482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 346582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 346782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 346882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 346982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 347082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3471fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 347282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 347382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3474fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3475bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3476bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3477889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3478d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3479fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3480d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3481fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 34826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3483260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 34846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3485260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3486260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3487026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3488ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 348982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 349082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 349182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 349282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 34938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 34948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3495d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3496be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 349716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 349816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 349987b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 350016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3501d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3502026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3503026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 350476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 350516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 350616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 350716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 350816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 350916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 351016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3511d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 351216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 351316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35149d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3515e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3516