OpenGLRenderer.cpp revision 058fc640017c90120c599d378a4cbc55668b05b7
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 48e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 499d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy 55759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 56759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 57759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 58f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 59dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 6067862524056ee2e73a94395139bb8bd0ec1ef38aChris Craikstatic GLenum getFilter(const SkPaint* paint) { 6167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) { 6267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_LINEAR; 6367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik } 6467862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik return GL_NEAREST; 6567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik} 66d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 679d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 689d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 699d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 709d5316e3f56d138504565ff311145ac01621dff4Romain Guy 71889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 72889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 73889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 74889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 75889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 76889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 77889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 78889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 79889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 80026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 81026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 82026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 862ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 882ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 96d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 98026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 99e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 10187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 10287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 103f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 1072ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 1082ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 1092ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1112ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1122ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1132ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1142ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1152ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1162ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 117d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1182ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 119f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 120f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 122448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 123448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 124448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 125448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 126448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 127448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 128448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 129448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 130448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 131f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 132f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 133f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1343b20251a355c88193c439f928a84ae69483fb488John ReckOpenGLRenderer::OpenGLRenderer(RenderState& renderState) 135058fc640017c90120c599d378a4cbc55668b05b7Chris Craik : mFrameStarted(false) 136058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCaches(Caches::getInstance()) 1373b20251a355c88193c439f928a84ae69483fb488John Reck , mExtensions(Extensions::getInstance()) 138058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mRenderState(renderState) 139058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mScissorOptimizationDisabled(false) 140058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mCountOverdraw(false) 141058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mLightCenter(FLT_MIN, FLT_MIN, FLT_MIN) 142058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mLightRadius(FLT_MIN) 143058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mAmbientShadowAlpha(0) 144058fc640017c90120c599d378a4cbc55668b05b7Chris Craik , mSpotShadowAlpha(0) { 145527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 146527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 14716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 148026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 149ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 150e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 151e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 15329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 15429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 155e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 156e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 15787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 15887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 15987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 16087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 16187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 16287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 16387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 16487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 16587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 16613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 16713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 168058fc640017c90120c599d378a4cbc55668b05b7Chris Craikvoid OpenGLRenderer::initLight(const Vector3& lightCenter, float lightRadius, 169058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 170058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightCenter = lightCenter; 171058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mLightRadius = lightRadius; 172058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mAmbientShadowAlpha = ambientShadowAlpha; 173058fc640017c90120c599d378a4cbc55668b05b7Chris Craik mSpotShadowAlpha = spotShadowAlpha; 174058fc640017c90120c599d378a4cbc55668b05b7Chris Craik} 175058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 17613631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 177f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 180797b95b26bbb7557678af78b9a2a61830158920fChris Craikvoid OpenGLRenderer::onViewportInitialized() { 18135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 18235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 18335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 18535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 18635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 18796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 188c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 189fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 190fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 19114e513058ed4168c94e015638d16f5f87fd8063aChris Craik initializeSaveStack(left, top, right, bottom); 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 3920f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 3930f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 3940f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 3950f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 39687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 39787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 39887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 39987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 40087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 40187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 40287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 40387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 40487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 4053b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.debugOverdraw(enable, clear); 40687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 40787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 40887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 40987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 4105f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 41187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 413a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.setScissor(clip->left, firstSnapshot()->getViewportHeight() - clip->bottom, 41487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 41587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 416627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 418627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 419627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 420627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 422627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 423627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 424627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 426627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 427627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 428627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 42987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 430627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 431627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 43387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 43487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 43587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 43714e513058ed4168c94e015638d16f5f87fd8063aChris Craik size_t count = getWidth() * getHeight(); 43878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 43914e513058ed4168c94e015638d16f5f87fd8063aChris Craik glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 44078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 44178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 44278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 44378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 44478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 44578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 44678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 44778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 44878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 44978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 45078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 45211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 45311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 45411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 456a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (layer->deferredUpdateScheduled && layer->renderer 457a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik && layer->renderNode.get() && layer->renderNode->isRenderable()) { 458405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 459405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 46011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 46111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4627c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4637c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4647c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4657c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 46611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 46802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 46996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 47096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 47196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 47211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 47411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 475d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4785bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 47934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 48011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 48511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 48611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 48896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 48996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 49096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 49396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 49496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 49596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 49696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 49796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4991206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5001206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 50396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 50496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 50596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 50996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5103b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 51196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 51396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 51496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 51596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 51696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 51796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 51896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 51996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 52096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 52196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 5221206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5231206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 52496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 52502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 52602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 527405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 52802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 52902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 530405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 531405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 53202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 53302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 53496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 53596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 53696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 53796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 5383b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(getTargetFbo()); 53996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 54011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 54111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 54311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 54411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 54511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 54602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 54702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 54802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 54902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 55002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 55102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 55202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 55302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 55402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 55711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 560e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 561e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 562e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 563e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 564e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 565e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 566e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 567e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 568e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 569e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 570e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 571e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 57311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 57411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 57511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 57611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 57711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 57811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 58011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 58111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 58211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 58311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 584405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 585405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 586405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 587405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 588405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 589405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 590405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 591405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 593f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 594f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 595f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 59614e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 597a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bool restoreViewport = removed.flags & Snapshot::kFlagIsFboLayer; 59814e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 59914e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 600bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 601a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (restoreViewport) { 6023b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(getViewportWidth(), getViewportHeight()); 603eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 604eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 606746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6078fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6082542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6095ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6107273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 6117273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 61214e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 6137273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 6145ec9924d24495822b589f1a17996655d66273b30Romain Guy } 615d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6165cbbce535744b89df5ecea95de21ee3733298260Romain Guy 617f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 618bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 619bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 620bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 621bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 624d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 625d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 6263f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik createLayer(left, top, right, bottom, paint, flags, convexMask); 627dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 628d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 629d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 630bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 631bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 632d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 633d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 634d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 635d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 636d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 637d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 638d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 639d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 640d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 641d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 642d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 643d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 644d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 645924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik const Snapshot& previous = *(currentSnapshot()->previous); 646924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik Rect previousViewport(0, 0, previous.getViewportWidth(), previous.getViewportHeight()); 647924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik if (!bounds.intersect(previousViewport)) { 648d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 649d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 650d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 651d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 652d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 653d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 654d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 655d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 656d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 657d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 658d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 659d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 660d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 661d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 662d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 663d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 664d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 665d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 666d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 667408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 668408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 669408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 670408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 671408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 672408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 673408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 674408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 675408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 676408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 677408eb12631376cbdc96803e918decf6ea804d346Chris Craik 678d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 679d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 680d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 681d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 682d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 683d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 684d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 685d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 686d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 687d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 688d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 689d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 690d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 691d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 692d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 693d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 694d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 695a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 696deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 697d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 698d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 699d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 700d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 701d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 702d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 7031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 7041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 7051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 7061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 7071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 7081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 7091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 7101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 7121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 7131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 7141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 7151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 7161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 7171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 7181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 7206b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 7216b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 7226b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 7236b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 7241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 7261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 7271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 72887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 7291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 7301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 7311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 74887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 74987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 75087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 75187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 75287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 754d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 7553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask) { 756eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 757fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 758dda570201ac851dd85af3861f7e575721d3345daRomain Guy 759eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 760eb99356a0548684a501766e6a524529ab93304c8Romain Guy 761f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 762d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7638aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 764d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 765674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, getAlphaDirect(paint)); 766dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 767dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 768d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 769b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 770b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 771dda570201ac851dd85af3861f7e575721d3345daRomain Guy 772a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7733b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = mCaches.layerCache.get(mRenderState, bounds.getWidth(), bounds.getHeight()); 774f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 775f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 776bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 777bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 778674554fc36932ca50b15bba41ac6f650254d4e72Derek Sollenberger layer->setPaint(paint); 7798aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 782d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 783a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7847c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 7853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(convexMask); // note: the mask must be cleared before returning to the cache 786dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7878fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 788d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 789d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 7917273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 792eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 793e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 794eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 795eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 797514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 799b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 800b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 801b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 802b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 803b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 804b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 806514fb18827186591d66973c2362c859b64b63556Romain Guy } 8077b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 808a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 809a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.left, getViewportHeight() - bounds.bottom, 810a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik bounds.getWidth(), bounds.getHeight()); 811b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 81254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 81354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 814ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 815eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 816f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 817d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 818bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 819bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 820e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 821c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 824d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 825a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer; 826d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 827d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 828d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 829a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mSnapshot->initializeViewport(bounds.getWidth(), bounds.getHeight()); 830deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = NULL; 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8322b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8337c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8353b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(layer->getFbo()); 8369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8400908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 84733f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen // Expand the startTiling region by 1 84833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen startTilingCurrentClip(true, true); 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 851586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8528f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8593b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.setViewport(bounds.getWidth(), bounds.getHeight()); 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 86614e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 86714e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 8683762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 87214e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 8738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 87414e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 875eb99356a0548684a501766e6a524529ab93304c8Romain Guy 87639a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 877f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 878deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, NULL, false); // safely ignore return, should never be rejected 87939a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 88039a908c1df89e1073627b0dcbce922d826b67055Chris Craik 881eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8822b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8832b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 884e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 885e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 889eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 8903b20251a355c88193c439f928a84ae69483fb488John Reck mRenderState.bindFramebuffer(restored.fbo); 8917c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8922b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 893d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 894eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 895eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 89776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 89876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 89976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 90076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 90176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 90276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 9049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 905f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 906f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 90703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 9088b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 909a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 913eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 91414e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 9155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 918a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 919a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 920a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 921a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 922a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 9239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 924a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 925eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 927746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 928746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 929eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9303f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setConvexMask(NULL); 9318550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 933603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9382458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 939aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 940aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 947aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 94876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 94976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 950aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 951aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 95276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 9539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9578f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 958d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 9599757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik !layer->getForceFilter() && 960ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 961ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 962d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 963d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 965d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9674063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 969d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9704063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 9714063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 9729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 9743380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 975aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 976aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 977aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 978aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 981aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 982aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 983aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 987d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 988ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 989b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 990b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 991b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 994d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 995d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 9969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 998d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1000d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 100376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 100476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 100576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 100676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 100776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 100876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 10099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 101076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 10113380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 10135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1014aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1015aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1016aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1017aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1018aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1019aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 102234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 102334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 102434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 102534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 102634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 102734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 102834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 102934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 103034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 103134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 103234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 103334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 103434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 103534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 103634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 103734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 103834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 1039d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to 1040d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque. 1041d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass LayerShader : public SkShader { 1042d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIpublic: 1043d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader(Layer* layer, const SkMatrix* localMatrix) 1044d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III : INHERITED(localMatrix) 1045d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III , mLayer(layer) { 1046d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1047d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1048d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool asACustomShader(void** data) const { 1049d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (data) { 1050d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III *data = static_cast<void*>(mLayer); 1051d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1052d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return true; 1053d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1054d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1055d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual bool isOpaque() const { 1056d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return !mLayer->isBlend(); 1057d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1058d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1059d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprotected: 1060d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void shadeSpan(int x, int y, SkPMColor[], int count) { 1061d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend."); 1062d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1063d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1064d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual void flatten(SkWriteBuffer&) const { 1065d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be flattened."); 1066d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1067d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1068d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III virtual Factory getFactory() const { 1069d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LOG_ALWAYS_FATAL("LayerShader should never be created from a stream."); 1070d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return NULL; 1071d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1072d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIprivate: 1073d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // Unowned. 1074d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III Layer* mLayer; 1075d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III typedef SkShader INHERITED; 1076d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III}; 1077d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 10785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 10793f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw 10803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (layer->getConvexMask()) { 10823f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 10833f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10843f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // clip to the area of the layer the mask can be larger 10853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik clipRect(rect.left, rect.top, rect.right, rect.bottom, SkRegion::kIntersect_Op); 10863f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10873f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkPaint paint; 10883f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setAntiAlias(true); 10893f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0)); 10903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // create LayerShader to map SaveLayer content into subsequent draw 10923f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik SkMatrix shaderMatrix; 10933f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.setTranslate(rect.left, rect.bottom); 10943f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik shaderMatrix.preScale(1, -1); 1095d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III LayerShader layerShader(layer, &shaderMatrix); 1096d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(&layerShader); 10973f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 10983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Since the drawing primitive is defined in local drawing space, 10993f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // we don't need to modify the draw matrix 11003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPath* maskPath = layer->getConvexMask(); 11013f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint)); 11023f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1103d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III paint.setShader(NULL); 11043f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik restore(); 11053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11063f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return; 11073f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11109fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11119fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 111234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11139fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11183f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // standard Region based draw 11193f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik size_t count; 11203f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* rects; 11213f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Region safeRegion; 11223f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11233f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = layer->region.getArray(&count); 11243f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11253f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11263f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rects = safeRegion.getArray(&count); 11273f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11293f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float alpha = getLayerAlpha(layer); 11303f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texX = 1.0f / float(layer->getWidth()); 11313f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float texY = 1.0f / float(layer->getHeight()); 11323f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float height = rect.getHeight(); 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11343f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDraw(); 11358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11363f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // We must get (and therefore bind) the region mesh buffer 11373f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // after we setup drawing in case we need to mess with the 11383f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // stencil buffer in setupDraw() 11393f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex* mesh = mCaches.getRegionMesh(); 11403f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik uint32_t numQuads = 0; 11415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawWithTexture(); 11433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColor(alpha, alpha, alpha, alpha); 11443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilter(layer->getColorFilter()); 11453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawBlending(layer); 11463f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawProgram(); 11473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawDirtyRegionsDisabled(); 11483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawPureColorUniforms(); 11493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawColorFilterUniforms(layer->getColorFilter()); 11503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawTexture(layer->getTexture()); 11513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (currentTransform()->isPureTranslate()) { 11523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 11533f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 11553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_NEAREST); 11563f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11573f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11583f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } else { 11593f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->setFilter(GL_LINEAR); 11603f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawModelView(kModelViewMode_Translate, false, 11613f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik rect.left, rect.top, rect.right, rect.bottom); 11623f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11633f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 11645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11653f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik for (size_t i = 0; i < count; i++) { 11663f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const android::Rect* r = &rects[i]; 11673f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11683f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u1 = r->left * texX; 11693f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v1 = (height - r->top) * texY; 11703f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float u2 = r->right * texX; 11713f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const float v2 = (height - r->bottom) * texY; 11725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11733f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // TODO: Reject quads outside of the clip 11743f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 11753f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 11763f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 11773f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 11783f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11793f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads++; 11803f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11813f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads >= gMaxNumberOfQuads) { 118234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 118334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 11843f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik numQuads = 0; 11853f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik mesh = mCaches.getRegionMesh(); 11865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11873f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11883f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 11893f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik if (numQuads > 0) { 11903f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 11913f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik GL_UNSIGNED_SHORT, NULL)); 11923f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 11935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 11953f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik drawRegionRectsDebug(layer->region); 11965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 11975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11983f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik layer->region.clear(); 11995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1202e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 12033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 122076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 122176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 122376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1226e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 122876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 124176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1246f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1249f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1255f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1257f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1262d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 12631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12714063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1272448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1273448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1274448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1275448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 12763380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1277448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1278448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1279448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1280448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1281448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1282448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1283448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1284448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1285448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 128654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 128754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 128854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 128954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1290d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 129154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 129254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 129354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 129454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 129554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 129654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 129754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 12988a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 129954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1300448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 130154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 130254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 130354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 130454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 130554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 130654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 130754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 130854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 130954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 131054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 131254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1313e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1314e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1315e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1316e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 131976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 132076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 132154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 132254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 132376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 132554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13264063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 132854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13294063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13308a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13318a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 133454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 133554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1336e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 133754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 133854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 133954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1340bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1341c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1342c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1343c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1344ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1345d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1346d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1347c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1348ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1349ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1350ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1351d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 135228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 13535e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 13545e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 13555e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 13565e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1357d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1358ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1359ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1360ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 136128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1362a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1363d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 136428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 136528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1366d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1367d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1368d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1369d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 137028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 137128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1372ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1373d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1374d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1375d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1376d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1377c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1378ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1379ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1380527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1381527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1382d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1383c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1384c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 13857273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 13867273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1387d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 13887273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1389d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1390deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1391deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // always store/restore, since it's just a pointer 1392deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state.mRoundRectClipState = currentSnapshot()->roundRectClipState; 1393c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1394c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1395c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1396527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 139714e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 13987273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 139914e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1400deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSnapshot->roundRectClipState = state.mRoundRectClipState; 1401ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1402527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 140328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 140428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1405ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1406ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1407c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1408c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 140928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 141028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 141128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 141228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 141328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 141428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 141528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 141628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 141728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 141828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 141928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 142014e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 142128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1422527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 142328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1424527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1425527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1426c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1427f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1428f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1429f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1430bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1431d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1432e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14338f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1434a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (mCaches.setScissor(clip.left, getViewportHeight() - clip.bottom, 14358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14389d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1445d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1452c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1453c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1454c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1455c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1456c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14578d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14583bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1460c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1461f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1467d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 14758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1476deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // Clear and update the stencil, but first make sure we restrict drawing 14778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 14788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 14798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 14808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 14818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 14828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 1484deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1485deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // stash and disable the outline clip state, since stencil doesn't account for outline 1486deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool storedSkipOutlineClip = mSkipOutlineClip; 1487deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 148976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 149098d608dba6a0b3c15fb08f1fa2c8b9d170124c7cChris Craik paint.setColor(SK_ColorBLACK); 149176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 149276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 149976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 1500deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (resetScissor) mCaches.disableScissor(); 1501deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = storedSkipOutlineClip; 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15043ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15053ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15063ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15073ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 150876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 150976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 151076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15113ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 15138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1518f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1519f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1520f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1521f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1522f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1523f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1524f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1525d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1526f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15275e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1528f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1529cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1530f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1531f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1532f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1533f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1534cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1535cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1536deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool clipRequired = false; 1537deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool roundRectClipRequired = false; 1538deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, 1539deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik &clipRequired, &roundRectClipRequired, snapOut)) { 1540dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1541dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1542dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1543f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik // not quick rejected, so enable the scissor if clipRequired 1544f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1545f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik mSkipOutlineClip = !roundRectClipRequired; 154639a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1547c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1548c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1550735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1551f23b25abfb76e75f63103abc882bc91b8327a957Chris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 155276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 155376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 155476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 155576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1559735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1560f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 156170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 156270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 156370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 156454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 1565f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 15668a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 156754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 15688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1570b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1571b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1572b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1573b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 15748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 157570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 15763ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 157770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 15783ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 157970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 158070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 158170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 158270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 158370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 15843ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15853ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 15863ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 15873ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 15883ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 15893ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 159078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 159178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 159270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1599ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1600ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1601ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1602ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1603ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1604ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1605aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1606aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1607aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1608aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 160915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1610ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 161115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 161215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1613710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 161499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 16155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1619886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1620886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1621886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 162270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1623e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 162786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1628886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1629886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1630886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 163186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1632e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 163386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 163486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16354121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16364121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16374121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16384121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 164270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 164370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1645e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1648d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShader(const SkShader* shader) { 1649d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader != NULL) { 1650d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader); 165170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 165270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 165370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 165476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 165576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 165676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 165776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 165876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 165976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 166076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 166176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 166276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 166376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 166476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 166570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 166670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 166770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1668f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1669f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1670f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1671f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 167254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1673f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1674f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1675f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 1676d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIstatic bool isBlendedColorFilter(const SkColorFilter* filter) { 1677d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (filter == NULL) { 1678d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return false; 1679d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1680d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0; 1681d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III} 1682d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 168376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 168476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1685f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1686f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1687f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1688d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // TODO: check shader blending, once we have shader drawing support for layers. 168976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 1690d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter()); 1691c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 169270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 169576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1696f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1697f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1698f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1699c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1700d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III (getShader(paint) && !getShader(paint)->isOpaque()) || 1701d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III isBlendedColorFilter(getColorFilter(paint)); 1702c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 170370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 170570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 170670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 1707deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mDescription.hasRoundRectClip) { 1708deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik // TODO: avoid doing this repeatedly, stashing state pointer in program 1709deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* state = mSnapshot->roundRectClipState; 1710deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const Rect& innerRect = state->outlineInnerRect; 1711deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform4f(mCaches.currentProgram->getUniform("roundRectInnerRectLTRB"), 1712deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik innerRect.left, innerRect.top, 1713deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik innerRect.right, innerRect.bottom); 1714deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniform1f(mCaches.currentProgram->getUniform("roundRectRadius"), 1715deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik state->outlineRadius); 1716deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik glUniformMatrix4fv(mCaches.currentProgram->getUniform("roundRectInvTransform"), 1717deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1, GL_FALSE, &state->matrix.data[0]); 1718deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 171970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 172270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 172370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17254063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17264063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 1727e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.loadTranslate(left, top, 0.0f); 17284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 1729e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mModelViewMatrix.scale(right - left, bottom - top, 1.0f); 173070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17314063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 173286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 1733a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& transformMatrix = ignoreTransform ? Matrix4::identity() : *currentTransform(); 1734a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mCaches.currentProgram->set(mSnapshot->getOrthoMatrix(), mModelViewMatrix, transformMatrix, offset); 1735a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (dirty && mTrackDirtyRegions) { 1736a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik if (!ignoreTransform) { 1737a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 1738a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } else { 1739a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik dirtyLayer(left, top, right, bottom); 1740a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 174186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 174270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1744d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawColorUniforms(bool hasShader) { 1745d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) { 174670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 174770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 174870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 175086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17515536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 175286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17535536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17545536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17555536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 1756d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIvoid OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) { 1757d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (shader == NULL) { 1758d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return; 1759d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 1760d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1761d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (ignoreTransform) { 1762d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 1763d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // because it was built into modelView / the geometry, and the description needs to 1764d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III // compensate. 1765d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mat4 modelViewWithoutTransform; 1766d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.loadInverse(*currentTransform()); 1767d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III modelViewWithoutTransform.multiply(mModelViewMatrix); 1768d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III mModelViewMatrix.load(modelViewWithoutTransform); 176970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1770d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 1771d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader); 177270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 177476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 177576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 177676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 177776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 177876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 177976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 178076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 178176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 178276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 178376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 178476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 178576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 178676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 178776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 178876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 178976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 179076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 179176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 179276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 179376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 179476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 179576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 179676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 179776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 179876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 179976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 180076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 180176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 180276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 180376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 180476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 180576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 180676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 180776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 180876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 180976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 181076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 181270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 181570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 181670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18174121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18184121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18194121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18204121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 182170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1822f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1823cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 182415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 182570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1828257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18292d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 183015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 183170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1833aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1834aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18352d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 183615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1837aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1838aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1844aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1845aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1846aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1847aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1848564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1849564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1850f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1852f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 185370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1854f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 185570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1856d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1857cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 185815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1859cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 186015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 186115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 186215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 186315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 186415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1865564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1866564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1867ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1868ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1869ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1870ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1871ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1872ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1873ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1874ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1875ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1876ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1877ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1878ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1879ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1880ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1881ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1882ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1883564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1884564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 18853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 18863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 18873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 18883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 18893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 18903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 18913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 18923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 18933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 189463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 18953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1896cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 189715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1898cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 18998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 190070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 190170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1902448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1903f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 190463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindQuadIndicesBuffer(); 1905cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 190870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1909f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1910f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1911f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1912a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craikstatus_t OpenGLRenderer::drawRenderNode(RenderNode* renderNode, Rect& dirty, int32_t replayFlags) { 191358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19140fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19150fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 1916a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik if (renderNode && renderNode->isRenderable()) { 1917f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1918a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->computeOrdering(); 1919d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 192058d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1921ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1922a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->replay(replayStruct, 0); 192358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1924c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1925c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 192628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1927d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1928ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1929a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik renderNode->defer(deferStruct, 0); 193096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 193196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 193258d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 193396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1934f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19367b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19376554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 19380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1940d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1941886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1942886b275e529e44a59c54b933453d9bc902973178Romain Guy 1943a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1944a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1945a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1946886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1947886b275e529e44a59c54b933453d9bc902973178Romain Guy 1948a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1949d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1950d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1951d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1952a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1953a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1954886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1955886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 195667862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 19575b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1958e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 1961886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 196276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 19633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1964a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1965a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 196603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 196703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 196803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 196903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 197003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 1971d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 1972d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 1973d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 1974527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 197555b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 1976527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 19773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1978527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 1979527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1980527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 198167862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(pureTranslate ? GL_NEAREST : getFilter(paint), true); 1982527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1983527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 1984527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 19851103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 1986527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 198776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 19884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 19894063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 1990527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 1991527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 199276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 19934063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 19944063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 1995527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 1996527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1997527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 1998527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1999527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2000d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, float left, float top, 2001d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 20026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 20036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 20046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2005f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2006486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2009a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2011486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 201222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 201322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20141103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2015a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2016a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2017a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2018a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2019486590963e2207d68eebd6944fec70d50d41116aChet Haase 2020486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2023139088228faa7f3c446af7387e017933998a5570Derek Sollenbergerstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkMatrix& matrix, 2024d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2025f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2026139088228faa7f3c446af7387e017933998a5570Derek Sollenberger const mat4 transform(matrix); 2027f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2028f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2029f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(r.left, r.top, r.right, r.bottom)) { 2030486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2033a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2035486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 203622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 203722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 20395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 20405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 20415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 20421103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2043886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2044886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2045886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2046886b275e529e44a59c54b933453d9bc902973178Romain Guy } 20475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2048486590963e2207d68eebd6944fec70d50d41116aChet Haase 2049486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2050f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2051f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2052d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, float left, float top, 2053d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2054e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2055e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2056e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2057f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2058486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2059e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2060e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2061e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2062e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2063e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2064e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 20651103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2066886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2067886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2068886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2070486590963e2207d68eebd6944fec70d50d41116aChet Haase 2071486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2072e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2073e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2074d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2075d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2076d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2077486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 20795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 208039a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 208139a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 208239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2083b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2084b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2085b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2086b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2087b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2088a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2089b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2090564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2091564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2092564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2093ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2094ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2095ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2096ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2097d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2098d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2099d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2100ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2101ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2102a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2127ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2128ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2129ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2131ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2132ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2133ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2134b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2135a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2136a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2137a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2138a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2142f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2143ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2144a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2145a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2146a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2147ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2153ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2154a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2155a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2156a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 215767862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2158a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2159a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2160a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2161a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2162a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2163ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2164ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2165a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2166d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2167b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2168b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2169ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2170ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2171ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 217276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 217376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2174ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2175ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 21764063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2177ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2178ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 217976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 21803380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2181ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2182ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2183ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2184ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2185ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2186ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2187ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2188ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2189ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2190486590963e2207d68eebd6944fec70d50d41116aChet Haase 2191486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 21935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2194d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 21958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 21968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2197d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2198f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2199486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2202a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2204486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 220522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2209c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2216c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 221703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2220d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2221d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2222886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2223886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2225886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2226886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2227886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2228886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2229d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III bool useScaleTransform = getShader(paint) && scaled; 2230886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2231b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2232d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2233d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2234d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2235886b275e529e44a59c54b933453d9bc902973178Romain Guy 2236886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2237886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2238886b275e529e44a59c54b933453d9bc902973178Romain Guy 2239886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2240886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2241886b275e529e44a59c54b933453d9bc902973178Romain Guy 224267862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(scaled ? getFilter(paint) : GL_NEAREST, true); 2243886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 224567862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 2246886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2247886b275e529e44a59c54b933453d9bc902973178Romain Guy 2248886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2252886b275e529e44a59c54b933453d9bc902973178Romain Guy 2253886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2254886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2255886b275e529e44a59c54b933453d9bc902973178Romain Guy 2256886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2257886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2258886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2259886b275e529e44a59c54b933453d9bc902973178Romain Guy 22601103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed if (CC_UNLIKELY(bitmap->colorType() == kAlpha_8_SkColorType)) { 2261886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22633380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2264886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2265886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2266886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 226776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22683380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2269886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2270886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2271886b275e529e44a59c54b933453d9bc902973178Romain Guy 2272886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2273886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2277486590963e2207d68eebd6944fec70d50d41116aChet Haase 2278486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2279ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2280ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2281d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2282d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2283f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 22844c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 22854c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 22864c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 22874c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 22884c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 22894c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 22904c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 229103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2292be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2293be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2294d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2295d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2296d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2297f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2298486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2301211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2302a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2303a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2304a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2305a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2307a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2308a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2309a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23128168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2313d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2314d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23178ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2318211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2319c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2320c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2321c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2323c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2324d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23294063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2330211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2331d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2332d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23364063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23374063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23384063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 234076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 234176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23424063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23434063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2344054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2345486590963e2207d68eebd6944fec70d50d41116aChet Haase 2346486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2347f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2348f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 234903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 235003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 235103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 235203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 235303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2354d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2355d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 235603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 235703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 235803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 235903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 236003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 236203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 236303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 236576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 236703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 236803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 236903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 237003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 237105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(float translateX, float translateY, 237263d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui const VertexBuffer& vertexBuffer, const SkPaint* paint, bool useOffset) { 23734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23746d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2375bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 237665cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2377bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2378bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 23790d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik Rect bounds(vertexBuffer.getBounds()); 23800d5ac954a111d19270d6e618ee051a8d6419e1a5Chris Craik bounds.translate(translateX, translateY); 238105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, *currentTransform()); 238205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 238365cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 238465cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 238565cd612face362d054a85d0f7e5881c59cd523beChris Craik 2386710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2387710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2388710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2389710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 239076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2391d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 239276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2393710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 239405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik setupDrawModelView(kModelViewMode_Translate, useOffset, translateX, translateY, 0, 0); 2395d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 239676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2397d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2398858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 239955bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2400710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2401cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2402710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 240363d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui 24046ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2406710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2407710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24106ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24116ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 241405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer::Mode mode = vertexBuffer.getMode(); 241505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (mode == VertexBuffer::kStandard) { 241663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.unbindIndicesBuffer(); 241763d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 241805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kOnePolyRingShadow) { 241950ecf849cb7ccc3482517b74d2214b347927791eztenghui mCaches.bindShadowIndicesBuffer(); 242050ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, ONE_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 242105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } else if (mode == VertexBuffer::kTwoPolyRingShadow) { 242263d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui mCaches.bindShadowIndicesBuffer(); 242350ecf849cb7ccc3482517b74d2214b347927791eztenghui glDrawElements(GL_TRIANGLE_STRIP, TWO_POLY_RING_SHADOW_INDEX_COUNT, GL_UNSIGNED_SHORT, 0); 242463d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui } 24257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2426710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 242804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 242965cd612face362d054a85d0f7e5881c59cd523beChris Craik 243065cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2431858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2432858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2433858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 243465cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 243565cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 243665cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 243765cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 243865cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 243965cd612face362d054a85d0f7e5881c59cd523beChris Craik * 244065cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 244199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2442d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 244365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 244465cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2445d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 244605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(vertexBuffer, paint); 244765cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 244965cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 245065cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 245165cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 245265cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245365cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 245465cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 245865cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 245965cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2460d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2461d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246365cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246565cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 246605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), buffer); 246705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 2468d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 246905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 2470d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2471d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2472d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 247365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 247405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(buffer, paint, useOffset); 24755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2477d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2478d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2479ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 24806d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 24817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24826d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 248305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), buffer); 24847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Rect& bounds = buffer.getBounds(); 248605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik if (quickRejectSetupScissor(bounds.left, bounds.top, bounds.right, bounds.bottom)) { 24876d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2488ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2489ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 24906d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 249105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(buffer, paint, useOffset); 2492ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2493ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2494486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2495e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2496d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2497e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2498d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2499ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 250070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 250176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 250276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 250376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 250476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 250576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2506486590963e2207d68eebd6944fec70d50d41116aChet Haase 2507486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2508c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25099d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2510486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2511d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2512486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 251301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 251401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 251501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 251601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 251701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 251801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2519486590963e2207d68eebd6944fec70d50d41116aChet Haase 2520486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 252101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 252201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2523486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2524d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2525d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2526257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2527710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2528710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 252901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2530cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2531710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2532c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2533710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2534710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2535710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2536710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 25376ac174b97246ed40fe780b29561603b61770fa17Chris Craik const VertexBuffer* vertexBuffer = mCaches.tessellationCache.getRoundRect( 25386ac174b97246ed40fe780b29561603b61770fa17Chris Craik *currentTransform(), *p, right - left, bottom - top, rx, ry); 253905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(left, top, *vertexBuffer, p); 2540c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 254101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2542d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2543d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(x - radius, y - radius, 2544257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2545257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2546710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2547710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2548cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2549710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2550c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2551710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2552710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2553710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2554710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2555cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2556cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2557cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2558cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2559cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 256065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2561c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 256201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2563486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2564d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2565d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2566257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2567710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2568710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 256901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2570cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2571710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2572c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2573710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2574710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2575710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2576710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2577710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2578cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2579cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2580cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2581710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 258265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2583c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2584c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2585486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2586d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2587d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2588257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2589780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2590780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 25918b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2592780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 259365cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2594780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2595c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2596780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2597780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2598780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2599780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2600780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2601780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2602780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2603780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2604780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2605780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2606780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2607780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2608780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2609780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2610780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2611780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2612780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 261365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26148b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26158b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2616cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2617cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2618cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2619d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2620d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2621d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2622257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2623486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26256926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2626710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2627cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2628cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2629cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2630cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2631cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2632c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2633cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2634cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2635cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2636cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2637cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2638cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2639cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2640cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2641cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 264265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2643026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2644026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2645d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2646710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2647710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 264865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 265076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 265165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2653c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26549d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2655d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2656d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 265776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2658416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2659416a847633680d94efb926837efdc18726d54918Raph Levien 2660c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger TextShadow textShadow; 2661c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (!getTextShadow(paint, &textShadow)) { 2662c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger LOG_ALWAYS_FATAL("failed to query shadow attributes"); 2663c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 2664c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 2665416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2666416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2667416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2668416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2669c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger paint, text, bytesCount, count, textShadow.radius, positions); 2670cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2671cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2672cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2673416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2674416a847633680d94efb926837efdc18726d54918Raph Levien 2675c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sx = x - shadow->left + textShadow.dx; 2676c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const float sy = y - shadow->top + textShadow.dy; 2677416a847633680d94efb926837efdc18726d54918Raph Levien 2678c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha; 2679d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 2680c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow.color = SK_ColorWHITE; 2681416a847633680d94efb926837efdc18726d54918Raph Levien } 2682416a847633680d94efb926837efdc18726d54918Raph Levien 2683416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2684416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2685c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha); 268676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2687d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 268876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2689416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 26904063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 26914063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2692416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2693416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 269476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2695d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 2696416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2697416a847633680d94efb926837efdc18726d54918Raph Levien 2698416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2699416a847633680d94efb926837efdc18726d54918Raph Levien} 2700416a847633680d94efb926837efdc18726d54918Raph Levien 2701768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2702c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float alpha = (hasTextShadow(paint) ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2703768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2704768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2705768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2706486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2707d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2708d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2709486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2710eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2711eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2712671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2713d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2714486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2715671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2716671d6cf460531825a321edb200523d0faa7792c9Romain Guy 271739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 271839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2719671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2720671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2721d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2722671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2723d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2724d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2725671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2726671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2727b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 272859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2729671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2730671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2731671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2732671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2733671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2734c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 2735e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 273676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2737416a847633680d94efb926837efdc18726d54918Raph Levien } 2738416a847633680d94efb926837efdc18726d54918Raph Levien 2739671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2740d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2741671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2742671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2743671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2744257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2745671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2746671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2747671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2748671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2749211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2750671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27511e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2753257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2754671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2755671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2756d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2759671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2760671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2761486590963e2207d68eebd6944fec70d50d41116aChet Haase 2762486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2763eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2764eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 276559744b79ec302000802cd56d30a1bf70f0183c80Chris Craikbool OpenGLRenderer::findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const { 2766624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 276759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 276859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return false; 276959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } else if (CC_UNLIKELY(transform.isPerspective())) { 277059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setIdentity(); 277159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return true; 277259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik } 277359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 277459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik /** 277559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Input is a non-perspective, scaling transform. Generate a scale-only transform, based upon 277659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * bucketed scale values. Special case for 'extra raster buckets' - disable filtration in the 277759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * case of an exact match, and isSimple() transform 277859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik */ 277959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float sx, sy; 278059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik transform.decomposeScale(sx, sy); 278159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 278259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float bestSx = roundf(fmaxf(1.0f, sx)); 278359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float bestSy = roundf(fmaxf(1.0f, sy)); 278459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool filter = true; 278559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 278659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik for (unsigned int i = 0; i < mCaches.propertyExtraRasterBuckets.size(); i++) { 278759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik float bucket = mCaches.propertyExtraRasterBuckets[i]; 278859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik if (sx == bucket && sy == bucket) { 278959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bestSx = bestSy = bucket; 279059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik filter = !transform.isSimple(); // disable filter, if simple 279159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik break; 2792624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 279359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 279459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik if (fabs(bucket - sx) < fabs(bestSx - sx)) bestSx = sx; 279559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik if (fabs(bucket - sy) < fabs(bestSy - sy)) bestSy = sy; 2796624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 279759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik 279859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik outMatrix->setScale(bestSx, bestSy); 279959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik return filter; 2800624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2801624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 280241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2803d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2804527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2805527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2806527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 280728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 280828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2809d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2810f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 281128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 281228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2813cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2814cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28153a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28163a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2817624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2818d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2819624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2820c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2821211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2822624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2823624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 282686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 282786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 282886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28299d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2830c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2831c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2832c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (CC_UNLIKELY(hasTextShadow(paint))) { 283359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2834c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 283576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 283819d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 283919d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2840624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2841624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2842624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2843624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2844624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2845624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2846624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2847624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2848624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2849624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2850624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 285159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik SkMatrix fontTransform; 285259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool linearFilter = findBestFontTransform(transform, &fontTransform) 285359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(y - (int) y) > 0.0f 285459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik || fabs(x - (int) x) > 0.0f; 28553b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2856257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 285706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2858624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2859d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 286041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2862996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 28631e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2864527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2865527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2866527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2867a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28688b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28698b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28708b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 287141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2872996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28738b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 287441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2875996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28764ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2877527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2878624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 287941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2880a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 288141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 28825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2883694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2884e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2885486590963e2207d68eebd6944fec70d50d41116aChet Haase 2886486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2887694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2888694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2889d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2890d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2891d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2892486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 289303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 289403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 289539a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 289639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 289739a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2898b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 289959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik fontRenderer.setFont(paint, SkMatrix::I()); 2900257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 290103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 290203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 290303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 290403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29051e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 29069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 290903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29109777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29131e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 29149777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2915d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29169777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29179777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29189777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2919486590963e2207d68eebd6944fec70d50d41116aChet Haase 2920486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2921325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2922325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2923d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2924d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2925dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2926a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29277fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2928fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2929486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 293022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29317fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29328b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29338b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29348b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 293501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2936486590963e2207d68eebd6944fec70d50d41116aChet Haase 2937486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29387fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29397fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2940a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 294135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2942486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29446c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2945b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2946b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2947b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2948b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 29493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik save(SkCanvas::kMatrix_SaveFlag); 295014e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2951b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2952b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2953b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 295439a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2955f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2956deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, NULL, false); 29574ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 295835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2959b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2960b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2961b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 296235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 296335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 296435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 29655bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29662bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 296739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 2968a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2970211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2971c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 297234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 297334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 2974c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 297576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 297616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 2977c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2978c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29798168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 298076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 298176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 2982c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2983c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 298476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 29859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2986d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 2987d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2988d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 29899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2990d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 29914063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 29924ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 29939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2994d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 29954063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 29969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 29979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2998c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2999448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3000448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3001448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3002448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3003448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3004448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 30053380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 3006448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3007448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3008448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3009448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3010448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3011448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3012448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3013448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3014c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3016e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3018c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30194ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30205bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30215bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 302276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 302376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 302476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 302576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30264ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3027f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 302834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3029486590963e2207d68eebd6944fec70d50d41116aChet Haase 3030b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3031b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3032b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3033b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3034486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3042527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3043527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3044c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3045527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3046527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3050c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3051c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3052c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30535ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30545ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3055d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3056758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3057758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3058758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 30595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30605ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 30615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3063c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3064c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 30655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 30675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30685ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30695ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 30716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3073d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 30743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 30753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 30763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 30773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 30783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 30793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 30803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 308101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3082d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3083f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 308401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 308501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 308601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 308701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 308801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 308901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 309001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 309101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 309201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 309301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 309476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3095d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 309676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 309701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 30984063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 30994063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 310001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 310101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 310276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3103d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 310401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 310501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 310601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 310701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 310801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3109f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3114d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3115d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3119726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3121211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3122726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3123f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31258b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3127e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3128f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3129f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3130f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3131f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3132f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3133e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3134e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3138e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3139e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3140e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3141e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3146e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3147e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3148e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3149e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3151e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3152726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3153e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3154726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3159d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3160d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3161672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3162672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3163672433d90fab7383cd28beac9d4485b566a90940Romain Guy 316476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3165735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3166735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3167b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craikstatic void mapPointFakeZ(Vector3& point, const mat4& transformXY, const mat4& transformZ) { 3168b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map z coordinate with true 3d matrix 3169b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik point.z = transformZ.mapZ(point); 3170b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 3171b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik // map x,y coordinates with draw/Skia matrix 3172b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik transformXY.mapPoint(point.x, point.y); 3173b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik} 3174b79a3e301a8d89b9e1b1f6f3d7fd6aa56610a6f0Chris Craik 317505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craikstatus_t OpenGLRenderer::drawShadow(float casterAlpha, 317605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 3177d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3178f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 317915a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3180f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3181f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3182f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 3183ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3184f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3185058fc640017c90120c599d378a4cbc55668b05b7Chris Craik if (ambientShadowVertexBuffer && mAmbientShadowAlpha > 0) { 3186058fc640017c90120c599d378a4cbc55668b05b7Chris Craik paint.setARGB(casterAlpha * mAmbientShadowAlpha, 0, 0, 0); 318705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik drawVertexBuffer(*ambientShadowVertexBuffer, &paint); 3188ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 3189ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui 3190058fc640017c90120c599d378a4cbc55668b05b7Chris Craik if (spotShadowVertexBuffer && mSpotShadowAlpha > 0) { 3191058fc640017c90120c599d378a4cbc55668b05b7Chris Craik paint.setARGB(casterAlpha * mSpotShadowAlpha, 0, 0, 0); 319205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik drawVertexBuffer(*spotShadowVertexBuffer, &paint); 3193ef94c6f88fbb1deb095b1494378befcdb9722839ztenghui } 31947b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 31957b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3196f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3197f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 319876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 319976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32003b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32013b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32023b753829ae858d424fe109f714745379a6daf455Romain Guy } 3203735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 320476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 320576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 3206d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 320776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 320876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 320976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3210672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3211672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3212672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3213672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3214672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3215448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3216672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3217672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32182af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3219672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3220672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3221672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3222672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3223672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32243b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32253b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32263b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32273b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3228672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32293b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32303b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32313b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32323b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3233672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3234672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3235f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3236a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3237a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3238672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3239672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3240672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3241d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3242d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 324376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 324476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3245672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3246672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 32474063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 32484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3249d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3250d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint)); 325176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3252672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3254d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3255672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3256672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3258672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3259672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3260672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3261672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3262026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 326376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 326476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3265d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3266d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III if (getShader(paint)) { 3267d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3268d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3269d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 327070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 327115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3272d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3273d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 327476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 327576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 327670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 32774063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 32784063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 3279d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawColorUniforms(getShader(paint)); 3280d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 328176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 328270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3283c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3284c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3285c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3286c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 328782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3288d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3289d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 32908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 32913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 32923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 32933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 32943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 32953380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 32963380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 32973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 32983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 32993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3304d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3305d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3306d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3308d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 331076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 331367862524056ee2e73a94395139bb8bd0ec1ef38aChris Craik texture->setFilter(getFilter(paint), true); 331476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 332185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 332285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3323f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 332476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33256820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33264063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33288694230ff25fa0a60e480d424843e56b718f0516Romain Guy 332976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 333076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 333176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 333276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 333376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 333470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 333570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 333670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 333776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 333876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 333970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3340886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33414063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3342886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 334386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 334476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 334570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3346db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33476820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 334882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 334982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 33503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 335176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 335676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 335776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 335876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 335976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 336076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 33613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 33623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 33633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 336476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 336576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 33663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 33673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33684063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 33693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 33703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 337176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 33723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 33733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 33753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 33763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3377886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 337876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3379886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33804063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3381886b275e529e44a59c54b933453d9bc902973178Romain Guy 338276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 338376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 338476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 338576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 338676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3387886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3388886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 338976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3390886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3391886b275e529e44a59c54b933453d9bc902973178Romain Guy } 339276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3393d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShader(getShader(paint)); 339476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3395886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3396886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3398886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3399886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 340076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3401d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III setupDrawShaderUniforms(getShader(paint), ignoreTransform); 3402886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3403886b275e529e44a59c54b933453d9bc902973178Romain Guy 3404886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3405886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3406886b275e529e44a59c54b933453d9bc902973178Romain Guy 3407a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3408f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 3409deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 3410deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mSnapshot->roundRectClipState != NULL /*&& !mSkipOutlineClip*/) { 3411deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik blend = true; 3412deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mDescription.hasRoundRectClip = true; 3413deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 3414deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik mSkipOutlineClip = true; 3415deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 341678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 341778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 341878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 341978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 342078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 342178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 342278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 342378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 342478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 342578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 342678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 342778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 342878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 342982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3430c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 343182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 343282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 343382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 343482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 343582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 343682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 343733fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34383bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3439a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3440f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3441a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 344282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 344382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 344482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 344582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 344682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 344782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 344882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 344982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3450a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 345182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 345282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 345382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 345482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 345582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 345682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 345782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 345882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 345982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 346082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 346182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 346282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 346382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 346482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3465fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 346682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 346782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3468fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3469bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3470bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3471889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3472d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3473fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3474d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3475fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 34766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3477260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 34786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3479260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3480260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3481026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3482ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 348382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 348482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 348582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 348682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 34878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 34888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3489d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3490be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 349116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 349216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 349387b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 349416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3495d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3496026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3497026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 349876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 349916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 350016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 350116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 350216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 350316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 350416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3505d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 350616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 350716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35089d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3509e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3510