OpenGLRenderer.cpp revision e83569ca76308bfe945efcfef5a12c64b8fb8849
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> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 35c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 3765cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 39a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 41e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 50759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 51f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 52dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 53713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 54d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 67889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 70026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 84d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 86026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 87e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 9087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 91f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 105d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 108f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 112f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1133bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1143bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 115d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik resetDrawModifiers(); 116026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 12087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 12187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 123e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12529d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 127e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 128e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 13087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 13187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 14013631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 143f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 144ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyvoid OpenGLRenderer::setName(const char* name) { 145ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy if (name) { 146ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.setTo(name); 147ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } else { 148ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.clear(); 149ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } 150ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 151ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 152ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyconst char* OpenGLRenderer::getName() const { 153ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy return mName.string(); 154ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 155ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 15649c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 15749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 15849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 15949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 16085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 16135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 16235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 16435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 16735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 16835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 170260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 171bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 172bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 173bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 174eb99356a0548684a501766e6a524529ab93304c8Romain Guy 175eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 176eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 177e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 178e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1797c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::prepare(bool opaque) { 18044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1817d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1827d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 183c3fedafc5f50100219449125a000e3138f6fb987Romain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 184c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 185fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 186fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 18984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1908fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 191f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1927d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 19341308e2936c768103d0e9c82500e97938d6797f1Romain Guy mDirtyClip = true; 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 19611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 197dcfc836b457a87881da409e1acf251515f121446Romain Guy discardFramebuffer(left, top, right, bottom); 19845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 199ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 2007d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 20554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 2062b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 20757b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 2082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2117c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return clear(left, top, right, bottom, opaque); 2127c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2137c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 214dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 215dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 216dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 217dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2183bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 219dcfc836b457a87881da409e1acf251515f121446Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 220f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 221f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 222f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 223f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 224dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 225dcfc836b457a87881da409e1acf251515f121446Romain Guy } 226dcfc836b457a87881da409e1acf251515f121446Romain Guy} 227dcfc836b457a87881da409e1acf251515f121446Romain Guy 2287c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 2296b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 230586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 231ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2326b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 23344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 234ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 23544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2367c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 23744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 238ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 239ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 240ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 241ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 242ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 243ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 244ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 245ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 246ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2476b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 248bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 249bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 25057b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 25154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 25254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy Rect* clip = mTilingSnapshot->clipRect; 253c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (s->flags & Snapshot::kFlagFboTarget) { 254c3fedafc5f50100219449125a000e3138f6fb987Romain Guy clip = &s->layer->clipRect; 25554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 25654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 257c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(*clip, s->height, opaque); 258c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 259c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 260c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 261c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 262c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 263c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 26452036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2652b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2662b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2672b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2682b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 26954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2702b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2712b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 272b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2737c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2742b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2752b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 276ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 277ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 278ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 279ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 280ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 281ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 28211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 283b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 28411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 28511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 28611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 28711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 28811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 28911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 29011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 29211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 29311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 29511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 29611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 29811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 29911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 30011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 301a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 302b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 30311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 304c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 305e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 30611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 30711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 30811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 30911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 310c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 31111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 312b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 313b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3146c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 315da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 316da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 317da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 318da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 319da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 320da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 32150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 32215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 323f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 324ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 3257c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 326da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 327da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3286c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 32908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 33008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 33135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3327c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 33335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3343e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3353e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3368025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 337586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 33882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 339746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 340da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 341a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 34250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 34350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 34450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 34550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 34650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 347da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 348da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 34935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 35035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 35135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 35235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3537c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 35635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 35735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 35835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 359ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 360932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 361ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3628f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 363ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 364ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 365ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3668f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 367ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 368ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3693d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 371ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 372d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 373ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 374ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 375ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 376ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 377ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 378ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 379ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 380ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 381ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 382ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 383ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 384ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 385ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 386ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 387ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 388ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 389ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 390c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 391ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 392ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 393c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 394ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 395c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 396c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3978f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3988f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 399d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 4008f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4018f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 4038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 4048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 406daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 407932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 408c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 4098a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 410f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 411f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 412f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 413d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 41480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 41580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 41680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 417d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 418d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 419d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 420d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 421d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 422d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 42308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 42408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 42508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 42608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 42708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 42808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4297b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4307b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 43108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 43280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 433486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 434cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4358f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 43608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 437cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4388f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 43965924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 440ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4418f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 442cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 443cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 444daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4456554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 446daf98e941e140e8739458126640183b9f296a2abChet Haase} 447daf98e941e140e8739458126640183b9f296a2abChet Haase 448f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 4520f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4530f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4540f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4550f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 45687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 45787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 45887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 46087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 46187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 46287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 46387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 46487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 46587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 46687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 46787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 46887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 46987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 47187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 47287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 47387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 47487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 47787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 47887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 47987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 48087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 48187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 48287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 48387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 48487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 48587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 48687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 48787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 48887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 48987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 49087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 49187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 49287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 49387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 49487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 49587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 49687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 49787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 49887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5077c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5087c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 51111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 51511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 52011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 52411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 5265bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 52911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 53211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 53311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 53511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 53611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 53711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 53811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 54011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 54111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 54211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 54311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 54411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 54611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 54711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 54811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 54911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 55311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 55411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 56011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 56411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 56511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 56711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 56811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 572f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 573f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 574f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 575bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 577bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 578bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 579bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5808aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 581bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 582bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 583bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5842542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5852542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 587bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 588bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 589bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5908fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 591bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5928fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5932542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 595bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 596bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 5988aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 5998fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 600bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 601bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 602bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 6037ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 604bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 605eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 606bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 607bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 6087ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 609bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 610eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 611eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 612eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 615eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6168b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 6178b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 6188b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 6192542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 620746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6218fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6222542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6235ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6245ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 6255ec9924d24495822b589f1a17996655d66273b30Romain Guy } 6265ec9924d24495822b589f1a17996655d66273b30Romain Guy 6272542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 628d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6295cbbce535744b89df5ecea95de21ee3733298260Romain Guy 630f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 631bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 632bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 633bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 634bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 635ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 636eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 637eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 638d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 639af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 640d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 641dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 642d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 643d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 644bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 645bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6656b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6666b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 67187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 69187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 69287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 69387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 69487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 69587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 697d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 698d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 699eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 700fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 701dda570201ac851dd85af3861f7e575721d3345daRomain Guy 702eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 703eb99356a0548684a501766e6a524529ab93304c8Romain Guy 704f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 705d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 707d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 7083b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 709d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 711d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 712d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 713d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 714d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 715d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 716d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 717d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 718d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 719ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 720d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 722d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 7233b753829ae858d424fe109f714745379a6daf455Romain Guy inverse.loadInverse(currentTransform()); 724d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 725d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 726d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 727d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 728d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 730d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 731d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 732ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 733d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 734d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 735eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 736bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 737746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 738d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 739d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 740d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 741dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 742d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 743dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 744dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 745dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 746d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 747b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 748b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 749dda570201ac851dd85af3861f7e575721d3345daRomain Guy 750a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7518550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 752f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 753f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 754bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 755bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 760c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 761a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7627c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 763dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7648fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 765d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 766d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 768eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 769d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 770eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 771eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 773514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 776d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 779514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 780514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 781d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 782514fb18827186591d66973c2362c859b64b63556Romain Guy } 7837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 78454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 78554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 786ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 787eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 788f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 789d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 790bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 791bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 792d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 793c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 7949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 796d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 797c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 798c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 799d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 800d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 801d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 802d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 803d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 804d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8062b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8077c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 8109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 8159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 821f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 824586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8258f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8411d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8421d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8433762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8451d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8461d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 8488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 850eb99356a0548684a501766e6a524529ab93304c8Romain Guy 851eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8522b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8532b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 854e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 855e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 859eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 860eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8617c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8622b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8632b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 864eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 865eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 867f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 871f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 872f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 87303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8748b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 875a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 879eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 883171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 886171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 887171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 891eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 893746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 894746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 895eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8968550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 8971d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 898603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 8991d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9001d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9011d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 902aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 903e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; 904aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 905aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9088f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9098f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9108f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9118f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 912aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 913aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 915aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 916aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 917aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9228f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9233b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 924ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 925ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9263b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 9273b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 9289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 929d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 932d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 936aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 938aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 939aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 940aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 941aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 942aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 945aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 946aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 947aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 9513b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 952ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 953b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 954b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 955b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9583b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 9593b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 9609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 962d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 964d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 967e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; 968e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik bool blend = layer->isBlend() || alpha < 1.0f; 9699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 970e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik layer->getTexture(), alpha, layer->getMode(), blend, 9719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 974aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 975aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 976aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 977aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 978aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 979aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9849fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9859fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 98640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9879fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9928a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9938a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 994211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9966c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 9976c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 9986c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 9996c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 10006c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 10016c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 10026c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 10036c5b9be7450903762f676522c32d65f7545730dfChris Craik } 10045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1005e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik const float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; 10069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 10079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1008f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 10118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 10138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 10148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 10155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 10165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10187230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10197230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1020ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10227230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10237230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1025ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10273b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 10283b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 10293b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 10309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1031d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1034d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 103715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1043f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1045f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10667230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 10983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 11003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 11013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 11038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 11048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy int count = 0; 11058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 11068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 11088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 11098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 11108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 11118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 11128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 11138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 11142af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik count += 4; 11158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 11168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 11178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11183bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy drawColorRects(rects.array(), count, color, mode, true, dirty, false); 11198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 11208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1123f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 11255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1126f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11351bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11361bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11371bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11381bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11391bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11401bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11411bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11421bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11431bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 114854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 114954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 115054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 115154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 115354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 115454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 115654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 115854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11608a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 116354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 116454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 116654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 116754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 116954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 117054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 117154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 117254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 117354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 117454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 117654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1177e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1178e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1179e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1180e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 118154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 118354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 118454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 118554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 118654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 118754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 118839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 118954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 119054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11918a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11928a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 119354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 119454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 119554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 119654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1197e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 119854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 119954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 120054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1201bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1202c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1203c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1204c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1205d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craikvoid OpenGLRenderer::resetDrawModifiers() { 1206d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik mDrawModifiers.mShader = NULL; 1207d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik mDrawModifiers.mColorFilter = NULL; 1208d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik mDrawModifiers.mHasShadow = false; 1209d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik mDrawModifiers.mHasDrawFilter = false; 1210d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik} 1211d0afeac6dfc0856eeb72e6176ad6335e81871d24Chris Craik 1212ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1213c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1214c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1215c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1216ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1217ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1218ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1219ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik currentMatrix.mapRect(state.mBounds); 1220ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.intersect(currentClip)) { 1221ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1222ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1223ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1224ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1225ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mBounds.set(currentClip); 1226c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1227ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mDrawModifiers = mDrawModifiers; 1228ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mAlpha = mSnapshot->alpha; 1229ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1230ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1231ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Clip) { 1232ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.set(currentClip); 12335d11676414b3606792e23c269cf75b44faa1a2afChris Craik } else { 1234ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.setEmpty(); 1235c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1236c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1237ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // transform always deferred 1238c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 1239c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1240c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1241c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1242ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, int stateDeferFlags) { 12433b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 1244c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1245ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1246ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mDrawModifiers = state.mDrawModifiers; 1247ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mSnapshot->alpha = state.mAlpha; 1248ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1249ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1250ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mClip.isEmpty()) { //stateDeferFlags & kStateDeferFlag_Clip) { 1251ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, state.mClip.right, state.mClip.bottom); 1252ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1253ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1254c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1255c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1256c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1257f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1258f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1259f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1260f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 12613b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().translate(dx, dy, 0.0f); 1262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1263f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1264f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 12653b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1266f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1267f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1268f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 12693b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1270f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1271f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1272807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 12733b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1274807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1275807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1276f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1277e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 12783b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1279e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 12803b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1281e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1282f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1283f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1284b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 12853b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1286b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1287b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1288f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 12893b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1290f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1291f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1292f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1293e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 12943b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1295e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 12963b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1297f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1298f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1299f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1300f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1301f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1302f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1303bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1304e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1305e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 13068f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 13078a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 13088a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 13098a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 13108a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13119d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 13129d5316e3f56d138504565ff311145ac01621dff4Romain Guy 13138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 13148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 13158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 13168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 13178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 13188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 13198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 13238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 13248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1325c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1326c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1327c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1328c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1329c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 13308d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 13313bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 13328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1333c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1334f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 13358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 13398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 13408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 13418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 13428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 13438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 13448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 13468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 13488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 13508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 13518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 13528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 13538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 13548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 13558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 13578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 13588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 13608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 13618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 13628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 13648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 13658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 13668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 13683ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 13693ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 13703ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 13713ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 13723ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 13733ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 13748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 13758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 13768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13809d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1381079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1382bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1383bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 13848a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 13858a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 13868a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 13878a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13888a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13898a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 13903b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 13918a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 13928a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 13948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 13958a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13968a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 13978a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 13988a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 139935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 140035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 140135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 140235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 140335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 140435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 140535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 14063b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(transformed); 140735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 140835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 140935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 141035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 141135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 141235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 141335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 141435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1415672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1416672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1417cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1418cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1419cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1420cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1421cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1422cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1423cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1424cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1425c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1426bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1427dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1428dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1429dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 14313b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 1432d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1433d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1434d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1435d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1436d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1437586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1438586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 143987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1440586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1441586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1442586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1443c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1444c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 14458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1446735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 14478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 14488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 14498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 14518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1452735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 14538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 14543b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 14558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 14568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1458735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 14598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 14607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 14618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1466e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1467e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1468735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 14703b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 14748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 14768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 14778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 14788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 14798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 14808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 14818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1491735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1492735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1493735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1499735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1500735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1501a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1502a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1503a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1504a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1505f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 150670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 150770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 150870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 150954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 15108a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 15118a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 151254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 15138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1515b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1516b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1517b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1518b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 15198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 152070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 15213ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 152270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 15233ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 152470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 152570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 152670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 152770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 152870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 15293ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15303ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 15313ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 15323ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 15333ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 15343ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 153570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 153770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 153870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 153970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 154070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1542ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1543ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1544ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1545ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1546ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1547ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1548aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1549aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1550aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1551aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 155215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1553ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 155415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 155515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 155799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 15585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1560ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1561ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1562ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1563ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1564ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 15658d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 15668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1567886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1568886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1569886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 157070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 157170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 157270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 157370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 157486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 157586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1576886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1577886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1578886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 157986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 158086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 158186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 158286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 15834121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 15844121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 15854121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 15864121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 158870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 158970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 159070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 159270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1597c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1598c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 160070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 160170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 160270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1603c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1604c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 160570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 160670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 160770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1608f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1609f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1610f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1611f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 161254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1613f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1614f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1615f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 161670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1617f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1618f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1619f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1620c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1621c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1622c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 162370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1626f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1627f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1628f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1629c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1630c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1631c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1632c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 164370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 164570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 16473b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 16483b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 164970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1650c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 165170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 165270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 165370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 165470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 16563b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 16578d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 16588d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 165970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 166070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 166270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 166370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 166470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 166570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 166670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 166786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 166886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 16693b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 167086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 16713b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 167286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 167386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1674c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 167586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 167686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1679ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1680ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1681ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1682ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1683ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1685c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 168670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 168770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 16915536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 169286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 16935536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 16945536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 16955536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 169670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1697c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 169870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 16993b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 170070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1701c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1702c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 170370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 170470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17068d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1707c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1708c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1709c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 17108d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 17118d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 17128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 171370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1714c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1715c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 171670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 171770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 171870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17194121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 17204121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 17214121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 17224121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 172370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1724f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1725cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 172615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 172770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 173070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 17312d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 173215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 173370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1735aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1736aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 17372d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 173815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1739aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1740aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 17418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 17428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 17438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 17448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 17458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1746aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1747aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1748aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1749aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 175070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1751f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1753f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1755f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1757d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1758cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 175915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1760cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 176115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 176215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 176315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 176415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 176515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1766ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1767ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1768ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1769ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1770ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1771ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1772ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1773ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1774ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1775ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1776ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1777ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1778ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1779ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1780ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1781ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1782ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 178315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 178415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1785cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 178615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1787cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 17888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 178970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1792f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1793cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 179415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 17955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 179770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 179870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1801f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1802f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1803f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1804ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 1805ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 18060fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 18070fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 180804c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1809cada41aeb1e4cd87a94df2dfb4dd645309fe66baChris Craik if (true || CC_UNLIKELY(mCaches.drawDeferDisabled)) { // NOTE: temporary workaround 1810ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1811ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 1812ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return replayStruct.mDrawGlStatus; 1813c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1814c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1815c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DeferredDisplayList deferredList; 1816ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1817ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 1818ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return deferredList.flush(*this, dirty); 18190fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 18207b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 18216554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 18220fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 18230fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1824c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 1825ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 18267031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 1827ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1828ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1829ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1830a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1831a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1832a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1833a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1834a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1835886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1836886b275e529e44a59c54b933453d9bc902973178Romain Guy 1837a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1838a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1839a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1840886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1841886b275e529e44a59c54b933453d9bc902973178Romain Guy 1842a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 18433b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 18443b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 18453b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 1846a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1847a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1848886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1849886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1850886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 18515b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1852e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1853886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 1854886b275e529e44a59c54b933453d9bc902973178Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, 1855886b275e529e44a59c54b933453d9bc902973178Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1856a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1857a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1858486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 18596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 18606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 18616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 18626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1863486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1866a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18678164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1868486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 186922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 187022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1871211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1872a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1873a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1874a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1875a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1876486590963e2207d68eebd6944fec70d50d41116aChet Haase 1877486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 18788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 18798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1880486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1881f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1882f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1883f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1884f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 18856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1886486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1889a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1891486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 189222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 189322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 18945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 18955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 18965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 18975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 1898886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1899886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 1900886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1901886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 1902886b275e529e44a59c54b933453d9bc902973178Romain Guy } 19035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1904486590963e2207d68eebd6944fec70d50d41116aChet Haase 1905486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1906f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1907f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1908486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1909e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1910e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1911e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1912e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1913486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1914e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1915e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1916e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1917e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1918e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1919e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1920886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1921886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 1922886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1923886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1924886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1925486590963e2207d68eebd6944fec70d50d41116aChet Haase 1926486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1927e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1928e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1929486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 19305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 19315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1932486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 19335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1935b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1936b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1937b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1938b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1939b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1940a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1941b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1942ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 1943ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 1944ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1945ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 1946ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 1947ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 1948ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 1949ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 1950ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 1951ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1952a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 19535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 19545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 19555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 19565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 19575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 19585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 19595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 19605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 19615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 19625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 19635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 19645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 19655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 19665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 19675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 19685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 19695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 19705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1971ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 1972ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 1973ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 19745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1975ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 1976ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 1977ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 1978b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1979a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1980a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1981a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1982a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 19835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1986a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1987ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 1988a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1989a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1990a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1991a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1992a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1993ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 1994ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 1995ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy return DrawGlInfo::kStatusDone; 1996ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1997a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1998a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1999a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2000a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2001a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2002a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2003a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2004a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2005a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2006ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2007ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2008a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 20093b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2010b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2011b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2012ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2013ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2014ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2015ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2016ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2017ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2018ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2019ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2020ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2021ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2022ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2023ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2024ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2025ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2026ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2027ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy finishDrawTexture(); 2028ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2029ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2030ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2031ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2032ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2033ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2034ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2035486590963e2207d68eebd6944fec70d50d41116aChet Haase 2036486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 20385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2039486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 20408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 20418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 20425c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 20436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2044486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2047a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20488164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2049486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 205022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 20518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 20528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 20538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2054c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 20556816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 20566816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 20576816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 20586816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 2059c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 206003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 20618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 20628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 206303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 206403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 206503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 206603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2067d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2068d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2070886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 20716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2072886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2073886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2074886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2075886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2076c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2077886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2078b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 20793b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 20803b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 20813b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2082886b275e529e44a59c54b933453d9bc902973178Romain Guy 2083886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2084886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2085886b275e529e44a59c54b933453d9bc902973178Romain Guy 2086886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2087886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2088886b275e529e44a59c54b933453d9bc902973178Romain Guy 2089886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2090886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 20916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2092d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2093886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2094886b275e529e44a59c54b933453d9bc902973178Romain Guy 2095886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2096886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2097886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2098886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2099886b275e529e44a59c54b933453d9bc902973178Romain Guy 2100886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2101886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2102886b275e529e44a59c54b933453d9bc902973178Romain Guy 2103886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2104886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2105886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2106886b275e529e44a59c54b933453d9bc902973178Romain Guy 2107886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2108886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2109886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2110886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2111886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2112886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2113886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2114886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2115886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2116886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2117886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2118886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2119886b275e529e44a59c54b933453d9bc902973178Romain Guy 2120886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2121886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 21226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 21248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2125486590963e2207d68eebd6944fec70d50d41116aChet Haase 2126486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2127ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2128ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2129486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 21304bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 21315c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 2132be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 2133be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 2134be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 2135be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2136be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 2137be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 2138be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2139be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2140be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 2141be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 2142be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 21436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2144486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2147be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 2148be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 21492728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 21504bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 2151f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2152211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2153a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2154a4adcf0239039eb8f005be252409901c41b28839Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2155a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2156a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 2157a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2158a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2159a4adcf0239039eb8f005be252409901c41b28839Romain Guy 21603b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 21615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 21628168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 21633b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 21643b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 21655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 21665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 21678ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2168211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2169c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2170c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2171c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 21726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2173c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 21743b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 21756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2179211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 21803b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 21813b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 21826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 21836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 21846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 21856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 21866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 21876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 21886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 21896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 21906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 21916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 21926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2193054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2194486590963e2207d68eebd6944fec70d50d41116aChet Haase 2195486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2196f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2197f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 219865cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 219965cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 2200bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 2201bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 220265cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2203bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2204bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 220565cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 220665cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 220765cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 220865cd612face362d054a85d0f7e5881c59cd523beChris Craik 2209710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2210710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2211710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2212710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2213710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2214710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2215710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2216710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 221765cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2218710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2219710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2220710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2221858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2222710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2223710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2224cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2225710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2226710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 22276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2228710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2229710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2230710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2231710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 22326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2233710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 22346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 22356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2236710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 22376ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2238710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 22397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2240710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 22416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 224204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 224365cd612face362d054a85d0f7e5881c59cd523beChris Craik 224465cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2245858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2246858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2247858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 224865cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 224965cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 225065cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 225165cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 225265cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 225365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 225465cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 225599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 225665cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 225765cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 225865cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 225965cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 22607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2261c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy if (hasLayer()) { 2262c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy SkRect bounds = path.getBounds(); 2263c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy PathTessellator::expandBoundsForStroke(bounds, paint, false); 2264c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2265c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy } 22667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 226865cd612face362d054a85d0f7e5881c59cd523beChris Craik} 22697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 227065cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 227165cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 227265cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 227365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 227465cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 227565cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 227665cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 227765cd612face362d054a85d0f7e5881c59cd523beChris Craik * 227865cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 227965cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 228065cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 228165cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 228265cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 22837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 228465cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 22857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 228665cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 228765cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 228865cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2289d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2290d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2291d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2292d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2293d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 22943b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2295486590963e2207d68eebd6944fec70d50d41116aChet Haase 229665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 229765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 22985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2300486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2301486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2302ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2303ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2304ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2305ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 23065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2307ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 23088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2309ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 23108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 23118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 23128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 23138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 23148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2315d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2316ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2317ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2318ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2319ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2320ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2321ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2322ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2323ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2324ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2325ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 232604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 232704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 232804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 232904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2330ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 233115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 23328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2333ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2334ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2335ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2336ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2337ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 23388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2339ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2340ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2341ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2342ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2343ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2344ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2345ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2346ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2347ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 23487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 23508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 23518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 23528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 23537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23543b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2355ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2356ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2357ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2358486590963e2207d68eebd6944fec70d50d41116aChet Haase 2359486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2360ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2361ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2362486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2363e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2364486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2365e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2366ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2367ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 236870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23693d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2370486590963e2207d68eebd6944fec70d50d41116aChet Haase 2371486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2372c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23739d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2374486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2375486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2376486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 237701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 237801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 238001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 238101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 238201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2383486590963e2207d68eebd6944fec70d50d41116aChet Haase 2384486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 238501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 238601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2387486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2388710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2389cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2390710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2391710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 239201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2393cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2394710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2395c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2396710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2397710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2398710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2399710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2400710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2401710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2402cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2403cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2404cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2405cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2406cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2407cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 240965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2410c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 241101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2413cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2414cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2415710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2416710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2417cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2418710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2419c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2420710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2421710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2422710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2423710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2424cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2425cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2426cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2427cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2428cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 242965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2430c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 243101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2432486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2433710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2434cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2435710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2436710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 243701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2438cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2439710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2440c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2441710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2442710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2443710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2444710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2445710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2446cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2447cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2448cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2449710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 245065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2451c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2452c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2453486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2454780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2455780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2456780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2457780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 24588b2f5267f16c295f12faab810527cd6311997e34Romain Guy 24598b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2460780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 24618b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 24628b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2463780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 246465cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2465780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2466c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2467780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2468780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2469780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2470780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2471780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2472780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2473780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2474780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2475780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2476780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2477780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2478780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2479780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2480780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2481780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2482780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2483780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 248465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 24858b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 24868b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2487cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2488cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2489cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2490486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2491cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2492486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2495710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2496cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2497cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2498cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2499cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2500cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2501c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2502cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2503cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2504cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2505cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2506cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2507cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2508cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2509cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2510cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 251165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2512026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2513026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 25143b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2515710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2516710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 251765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2518858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2519710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 252065cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2521858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2522c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25239d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2524416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2525416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2526416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2527416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2528416a847633680d94efb926837efdc18726d54918Raph Levien 2529416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2530416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2531416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2532416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2533c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2534416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2535416a847633680d94efb926837efdc18726d54918Raph Levien 2536c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2537c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2538416a847633680d94efb926837efdc18726d54918Raph Levien 2539c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2540c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2541c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2542416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2543416a847633680d94efb926837efdc18726d54918Raph Levien } 2544416a847633680d94efb926837efdc18726d54918Raph Levien 2545416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2546416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2547416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2548416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2549416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2550416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2551416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2552416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2553416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2554416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2555416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2556416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2557416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2558416a847633680d94efb926837efdc18726d54918Raph Levien 2559416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2560416a847633680d94efb926837efdc18726d54918Raph Levien} 2561416a847633680d94efb926837efdc18726d54918Raph Levien 2562768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2563768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2564768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2565768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2566768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2567486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2568eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2569768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2570486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2571eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2572eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2573671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 25743b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2575486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2576671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2577671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2578671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2579671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 25803b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2581671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 25823b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 25833b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2584671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2585671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2586b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2587c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2588671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2589671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2590671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2591671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2592671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2593c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2594e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2595e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2596416a847633680d94efb926837efdc18726d54918Raph Levien } 2597416a847633680d94efb926837efdc18726d54918Raph Levien 2598671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 25993b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2600671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2601671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2602671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2603671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2604671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2605671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 26064121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2607671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2608671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2609671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2610671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2611671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2612671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2613671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2614671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2615671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2616671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2617671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2618671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 26194121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2620671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2621671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2622671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2623671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2624211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2625671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2626671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2627671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2628671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2629671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 26303b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2631671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2632671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2633671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2634671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2635486590963e2207d68eebd6944fec70d50d41116aChet Haase 2636486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2637eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2638eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2639624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2640624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2641624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2642624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2643624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2644624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2645b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2646624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2647624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2648624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2649624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2650624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2651624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2652624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2653624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2654624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2655c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2656996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2657768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2658486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2659e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2660e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2661a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2662e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2663e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2664e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2665e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2666e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2667e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2668e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2669e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2670e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2671e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2672e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2673cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2674cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 267533f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2676486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2677cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2678cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 26793a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 26803a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2681624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2682624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2683624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2684c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2685211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2686624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2687624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 26886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 26896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 269086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 269186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 269286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 26939d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2694c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2695c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2696c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2697c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2698c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2699c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 27001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 27011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 270219d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 270319d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2704624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2705624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2706624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2707624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2708624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2709624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2710624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2711624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2712624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2713624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2714624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2715624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 27163b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2717c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 27186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2719a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 27205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 272116c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2722a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 272386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 27244121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 272586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 272686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 272786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 272886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 272986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 273086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 273186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2732624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 273316c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 273416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 273586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 273686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 273786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 2738624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy setupDrawShaderUniforms(pureTranslate); 27394121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 274006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2741624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2742624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 27435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 27445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2745996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2746a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 27478b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 27488b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 27498b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2750a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2751996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 27528b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2753a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2754996e57c84368058be793897ebc355b917a59abc2Raph Levien } 27554ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 27564ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 2757624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 2758624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy transform.mapRect(bounds); 2759a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 27604ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 27615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2762694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 27633a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2764486590963e2207d68eebd6944fec70d50d41116aChet Haase 2765486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2766694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2767694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2768486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2769325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 2770768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2771486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 277203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 277303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2774b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2775c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 277603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 277703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 277803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 277903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 278003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 278103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 278203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 27834121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 278403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 278503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 278603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 278703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 278803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 278903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 279003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 27919777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 279203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 279303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 279403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 27959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 27964121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 27979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27989777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 27999777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 280003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 28019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 28029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 28039777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 28049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 28059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 28063b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 28079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 28089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 28099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2810486590963e2207d68eebd6944fec70d50d41116aChet Haase 2811486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2812325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2813325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2814486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2815486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2816dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2817a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28187fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2819fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2820486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 282122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 28227fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 28238b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 28248b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 28258b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 282601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2827486590963e2207d68eebd6944fec70d50d41116aChet Haase 2828486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 28297fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 28307fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2831a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 283235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2833486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 28346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 28356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2836b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2837b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2838b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2839b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2840b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 28413b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 2842b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2843b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2844b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 284535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 284635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 284735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 284835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 28494ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 285035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2851b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2852b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2853b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 285435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 285535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 285635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 28575bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 28582bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 285987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2860a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2862211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2863c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 2864c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 2865e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2866c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 286740667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2868c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2869a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik const float a = layer->getAlpha() / 255.0f * mSnapshot->alpha; 2870c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2871c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 28728168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2873c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 28749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2875c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2876c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2877c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 28789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 28793b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 28803b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 28813b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 28829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2883d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 28844ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 28854ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 28869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2887d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 28889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 28899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 28909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2891c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2892c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2893c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2894c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2895c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2896c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 28973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 28983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 28993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 29003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2901c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 29024ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2903c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 2904e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 29055bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 29065bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 29074ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 29084ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 29094ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2910f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2911486590963e2207d68eebd6944fec70d50d41116aChet Haase 2912b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2913b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2914b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2915b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 2916486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 29186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 29196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2920d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2921d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2922d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2923d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 2924c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 292506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 292606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 292706f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 2928c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 2929c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2930c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 293106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 29327fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 29337fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2934d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2935db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2936db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2937db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2938db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2939c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 2940db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2941db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2942db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2943c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 2944db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2945db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2946db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 29471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 29481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 2951c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 29521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 2955c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 2956c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 2957c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 2958c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 2959c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 29601e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 29645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 2967c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 29685ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29695ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29705ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 2971c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 2972c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 2973c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 29745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2976a08f95cfeca7217f9c533b03663bf0dceedd259aChris CraikSkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2977758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 2978758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 2979758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 29805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 29825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 2984c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 2985c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 29865ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 29885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 29926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 29936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 299401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 299501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 299601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 299701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 299801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 299901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 300001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 300101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 300201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 300301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 300401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 300501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 300601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 300701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 300801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 300901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 301001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 301101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 301201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 301301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 301401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 301501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 301601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 301701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 301801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 301901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 302001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 302101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 302201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3023f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 30240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 30250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 30260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 30270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 30290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 30300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 30310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 30320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3033726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 30340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 30350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 30360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 3037726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 30380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3040211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3041726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3042f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 30430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30448b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 30450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3046e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3047f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3048f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3049f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3050f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3051f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3052e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3053e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 30540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 30560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3057e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3058e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3059e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3060e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 30640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3065e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3066e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3067e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3068e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3070e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3071726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3072e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3073726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 30740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 30770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3078672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3079672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3080672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3081672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3082672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3083735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3084735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3085c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3086735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3087735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3088735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3089735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3090735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3091735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3092735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3093735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 30943bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 30953b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 30963b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 30973b753829ae858d424fe109f714745379a6daf455Romain Guy } 3098735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3099672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3100672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3101672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3102672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3103672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3104672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 3105672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 3106672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3107672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31082af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3109672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3110672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3111672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3112672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3113672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31143b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 31153b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 31163b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 31173b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 31183b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 31193b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3120672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31213b753829ae858d424fe109f714745379a6daf455Romain Guy vertexCount += 6; 3122672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31233b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 31243b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 31253b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 31263b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3127672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3128672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31293b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3130a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3131a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3132672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3133672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3134672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3135672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3136672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3137672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3138672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3139672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3140672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3141735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3142672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3143672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3144672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3145672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 3146672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 31483b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3149672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3150672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3151672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 3152672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3153672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3154672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3155672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3156026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 31571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3158d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3159c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3160d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3161d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3162d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 316370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 316415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 31659c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 316670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 316770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 316870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 316970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 317070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 317170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 317270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 317370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 317470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3175c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3176c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3177c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3178c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 317982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 31808164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 318182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 318282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 318382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 318482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3185d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 31868164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 31873b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 31883b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 31893b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 31906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3191d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 31926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 31936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 31946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 31956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3196d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 31976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 31986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 31996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 32006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 320185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 320285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3203bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3204a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3205a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 320603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3207f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3208f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3209f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3210a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 32116820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 32125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 32138694230ff25fa0a60e480d424843e56b718f0516Romain Guy 321470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 321570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 321670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 321770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 321870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 321970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3220886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 32215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 322270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 322303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 322470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3225db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3226886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 322786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 322870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 322970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3230db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 32316820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 323270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 323370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 323482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 323582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3236886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3237886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3238886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3239886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty) { 3240886b275e529e44a59c54b933453d9bc902973178Romain Guy 3241886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3242886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3243886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3244886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3245886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3246886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3247886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3248886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3249886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3250886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3251886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 3252886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3253886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3254886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3255886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3256886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3257886b275e529e44a59c54b933453d9bc902973178Romain Guy 3258886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3259886b275e529e44a59c54b933453d9bc902973178Romain Guy 3260886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3261886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3262886b275e529e44a59c54b933453d9bc902973178Romain Guy 3263a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3264f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 326582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3266c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 326782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 326882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 326982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 327082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 327182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 327282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 327333fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 32743bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3275a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3276f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3277a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 327882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 327982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 328082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 328182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 328282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 328382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 328482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 328582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3286a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 328782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 328882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 328982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 329082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 329182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 329282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 329382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 329482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 329582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 329682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 329782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 329882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 329982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 330082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3301fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 330282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 330382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3304fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3305bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3306bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3307889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3308d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3309fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3310d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3311fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 33126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3313260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 33146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3315260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3316260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3317026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3318ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 331982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 332082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 332182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 332282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 33238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 33248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 33255c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3326be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3327db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3328026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3329026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 33309d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3331e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3332