OpenGLRenderer.cpp revision d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39
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" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 3665cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 38a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 419d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 50f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 51dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 52713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 53d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 83d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 85026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 86e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 90f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 104d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1123bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1133bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 11406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 115db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 118026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 120ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 121ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 12287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 12387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 129e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 130e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 13887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 13987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 14013631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 14113631f3da855f200a151e7837ed9f6b079622b58Romain Guy 14213631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 143f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 145f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 146ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyvoid OpenGLRenderer::setName(const char* name) { 147ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy if (name) { 148ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.setTo(name); 149ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } else { 150ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.clear(); 151ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } 152ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 153ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 154ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyconst char* OpenGLRenderer::getName() const { 155ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy return mName.string(); 156ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 157ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 15849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 15949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 16049c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 16149c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 16285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 16335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 16435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 16635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 16935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 17035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 172260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 173bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 174bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 175bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 176eb99356a0548684a501766e6a524529ab93304c8Romain Guy 177eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 178eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 179e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 180e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1817c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::prepare(bool opaque) { 18244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1837d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1847d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 185c3fedafc5f50100219449125a000e3138f6fb987Romain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 186c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 187fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 188fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1898aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 19184962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1928fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 193f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1947d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 19541308e2936c768103d0e9c82500e97938d6797f1Romain Guy mDirtyClip = true; 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 19811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 199dcfc836b457a87881da409e1acf251515f121446Romain Guy discardFramebuffer(left, top, right, bottom); 20045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 2027d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 20754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 2082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 20957b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 2102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2117c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2127c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2137c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return clear(left, top, right, bottom, opaque); 2147c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2157c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 216dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 217dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 218dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 219dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2203bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 221dcfc836b457a87881da409e1acf251515f121446Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 222f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 223f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 224f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 225f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 226dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 227dcfc836b457a87881da409e1acf251515f121446Romain Guy } 228dcfc836b457a87881da409e1acf251515f121446Romain Guy} 229dcfc836b457a87881da409e1acf251515f121446Romain Guy 2307c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 2316b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 232586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 233ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2346b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 23544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 236ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 23744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2387c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 23944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 240ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 241ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 242ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 243ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 244ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 245ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 246ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 247ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 248ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2496b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 250bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 251bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 25257b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 25354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 25454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy Rect* clip = mTilingSnapshot->clipRect; 255c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (s->flags & Snapshot::kFlagFboTarget) { 256c3fedafc5f50100219449125a000e3138f6fb987Romain Guy clip = &s->layer->clipRect; 25754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 25854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 259c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(*clip, s->height, opaque); 260c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 261c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 262c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 263c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 264c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 265c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 266c3fedafc5f50100219449125a000e3138f6fb987Romain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2672b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2682b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2692b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2702b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 27154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2722b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2732b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 274b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2757c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 27811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 279b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 28011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 28111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 28211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 28311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 28411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 28511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 28611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 28711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 28811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 28911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 29111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 29211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 29411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 29511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 297a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 298b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 29911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 300c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 301e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 30211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 30311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 30411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 30511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 306c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 30711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 308b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 309b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3106c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 311da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 312da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 313da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 314da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 315da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 316da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 31750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 31815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 319f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 32015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 3217c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 322da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 323da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3246c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 32508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 32608837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 32735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3287c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 32935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3303e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3313e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3328025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 333586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 33482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 335746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 336da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 337a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 33850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 33950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 34050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 34150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 34250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 343da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 344da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 34535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 34635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 34735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 34835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3497c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 35035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 35235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 35335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 355ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 356932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 357ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3588f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 359ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 360ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 361ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3628f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 363ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 364ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3653d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3668f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 367ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 368d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 369ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 370ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 371ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 372ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 373ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 374ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 375ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 376ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 377ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 378ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 379ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 380ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 381ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 382ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 383ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 384ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 385ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 386c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 387ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 388ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 389c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 390ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 391c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 392c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3938f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3948f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 395d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 3968f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3978f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3988f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3998f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 4008f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4018f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 402daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 403932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 404c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 4058a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 406f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 407f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 408f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 409d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 41080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 41180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 41280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 413d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 414d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 415d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 416d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 417d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 418d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 41908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 42008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 42108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 42208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 42308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 42408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4257b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4267b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 42708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 42880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 429486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 430cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4318f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 43208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 433cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4348f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 43565924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 436ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4378f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 438cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 439cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 440daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4416554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 442daf98e941e140e8739458126640183b9f296a2abChet Haase} 443daf98e941e140e8739458126640183b9f296a2abChet Haase 444f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 44587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 44687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 44787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 44887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 45387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 45787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 45887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 45987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 46087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 46187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 46287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 46387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 46487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 46587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 46687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 46787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 46887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 46987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 47087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 47187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 47287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 47387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 47487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 47587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 47687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 47787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 47887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 47987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 48087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 48187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 48287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 48387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 48487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 48587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 48687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 48787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 48887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 48987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 49087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4997c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5007c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5017c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5027c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 51011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 51111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 51511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 5185bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 52411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 52911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 53211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 53311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 53411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 53511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 53611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 53811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 54011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 54111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 54311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 54411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 54511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 54611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 54711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 54811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 55211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 55311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 55411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 55711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 56011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 564f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 565f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 566f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 567bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 569bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 570bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 571bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 573bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 574bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 575bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5762542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5772542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5787ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 579bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 580bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 581bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5828fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 583bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5848fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5852542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 587bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 588bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5898aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 5908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 5918fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 592bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 593bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 594bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 5957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 596bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 597eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 598bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 599bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 6007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 601bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 602eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 603eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 604eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 605eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 606eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 607eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6088b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 6098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 6108b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 6112542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 612746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6138fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6142542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6155ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6165ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 6175ec9924d24495822b589f1a17996655d66273b30Romain Guy } 6185ec9924d24495822b589f1a17996655d66273b30Romain Guy 6192542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 620d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6215cbbce535744b89df5ecea95de21ee3733298260Romain Guy 622f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 623bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 624bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 625bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 626bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6275c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 629eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 630d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 631af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 632e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 633e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 634e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 635e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 636e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 637710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mode = getXfermode(p->getXfermode()); 638a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 639e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 640d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 641d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 642d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 643dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 644d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 645d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 646bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 647bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 648bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 649bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 650f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 6518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 6528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 6538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 6548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 6558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 6568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 657d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 658bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6766b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 68487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 70487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 70587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 70687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 70787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 70887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 711d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 712eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 713fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 714dda570201ac851dd85af3861f7e575721d3345daRomain Guy 715eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 716eb99356a0548684a501766e6a524529ab93304c8Romain Guy 717f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 718d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 720d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 722d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 723d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 724d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 725d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 726d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 727d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 728d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 730d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 731d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 732ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 733d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 734d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 735d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 736d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 737d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 738d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 739d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 740d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 741d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 742d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 743d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 744d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 745ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 746d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 747d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 748eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 749bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 750746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 751d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 752d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 753d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 754dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 755d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 756dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 757dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 758dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 759d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 760b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 761b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 762dda570201ac851dd85af3861f7e575721d3345daRomain Guy 763a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7648550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 765f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 766f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 767bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 768bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7708aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 774a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7757c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 776dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7778fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 778d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 779d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7801d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 781eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 782d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 783eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 784eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 786514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 789d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 792514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 793514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 794d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 795514fb18827186591d66973c2362c859b64b63556Romain Guy } 7967b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 79754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 79854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 799ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 800eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 801f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 802d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 803bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 804bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 805d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 806c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 809d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 810c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 811c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 812d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 813d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 814d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 815d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 816d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 817d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8192b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8207c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 8239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 8289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 834f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 837586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8388f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8551d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8563762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8581d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8591d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 8618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 863eb99356a0548684a501766e6a524529ab93304c8Romain Guy 864eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8652b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8662b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 867e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 868e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 872eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 873eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8747c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8752b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 877eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 878eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 880f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 884f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 885f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 88603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8878b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 888a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 892eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 896171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 899171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 900171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 9019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 9039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 904eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9051d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 906746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 907746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 908eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9098550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9101d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 911603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 915aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 917aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 918aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9218f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9228f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9238f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9248f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 925aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 926aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 928aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 929aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 930aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9338f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 936ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 937ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 938ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 942d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 945d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 949aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 950aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 951aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 952aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 953aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 954aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 955aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 958aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 959aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 960aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 964b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 965ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 966b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 967b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 968b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 975d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 977d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 986aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 987aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 988aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 989aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 990aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 991aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9969fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9979fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 99840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9999fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 10025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10048a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 10058a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 1006211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 10085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 10119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1013f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 10145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 10168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 10188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 10198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 10205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 10215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10237230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1025ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10277230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10287230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10297230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1030ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 10339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 10349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 10359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1036d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1039d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 104215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1048f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1050f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 11013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 11023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 11033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 11043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 11053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 11063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 11088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 11098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy int count = 0; 11108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 11118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 11138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 11148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 11158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 11168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 11178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 11188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 11192af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik count += 4; 11208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 11218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 11228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11233bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy drawColorRects(rects.array(), count, color, mode, true, dirty, false); 11248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 11258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 11305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1131f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1139f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11401bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11411bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11421bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11431bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11441bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11451bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11461bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11471bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11481bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 115354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 115454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 115654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 115854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 116054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 116354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 116454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11658a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 116654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 116854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 116954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 117154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 117254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 117454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 117554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 117654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 117754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 117854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 117954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 118154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 118254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 118454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 118554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 118654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 118754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 118854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 118939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 119054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 119154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11928a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 119454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 119554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 119654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 119754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 119854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 119954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 120054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 120154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 120254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1203bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1204f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1205f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1206f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1207f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 12088aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1209f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1210f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1211f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 12128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1213f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1214f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1215f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 12168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1217f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1218f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1219807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1220807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1221807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1222807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1223f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1224e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1225e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1226e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1227e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1228e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1229f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1230f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1231f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 12328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1233f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1234f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1235f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1236e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1237e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1238e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1239e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1240f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1241f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1242f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1243f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1244f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1245f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1246bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1247e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1248e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 12498f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 12508a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 12518a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 12528a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 12538a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12549d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 12559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 12578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 12618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 12628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 12668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 12678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1268c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1269c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1270c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1271c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1272c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 12733bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy RenderBuffer* buffer = new RenderBuffer( 12743bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 12753bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy buffer->bind(); 12763bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy buffer->allocate(); 12772055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 12788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1279c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1280f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 12818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 12858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 12868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 12878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 12888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 12898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 12908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 12928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 12948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 12968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 12978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 12988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 12998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 13008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 13018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 13038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 13048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 13068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 13078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 13088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 13108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 13118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 13128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 13148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 13158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 13168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13209d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1321079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1322bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1323bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 13248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 13258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 13268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 13278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13288a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13298a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 13308a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 13318a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 13328a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13338a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 13348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 13358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 13378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 13388a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 133935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 134035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 134135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 134235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 134335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 134435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 134535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 134635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 134735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 134835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 134935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 135035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 135135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 135235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 135335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 135435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1355672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1356672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1357cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1358cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1359cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1360cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1361cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1362cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1363cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1364cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1365c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1366bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1367dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1368dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1369dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 13701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 13718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1372d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1373d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1374d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1375d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1376d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1377586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1378586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 137987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1380586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1381586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1382586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1383c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1384c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 13858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1386735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 13878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 13888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 13898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 13918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1392735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 13938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 13948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (CC_LIKELY(mSnapshot->transform->rectToRect())) { 13958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 13968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 13978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1398735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 13998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 14007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 14018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 14038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 14048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1406e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1407e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1408735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 14098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 14108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mSnapshot->transform->copyTo(transform); 14118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 14138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 14148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 14168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 14178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 14188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 14198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 14208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 14218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 14248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 14258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 14278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1431735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1432735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1433735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 14348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 14358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1439735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1440735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1441a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1442a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1443a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1444a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1445f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 144670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 144770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 144870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 144954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 14508a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 14518a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 145254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 14538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 14548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 145570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 145670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 14578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 145870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 145970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 146070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 146170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 146270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 146370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 146470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 146570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 146670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 146770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 146870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 146970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 147070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 147170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1472aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1473aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1474aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1475aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 147615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 147715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 147815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 147915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1480710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 148199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 14825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1484ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1485ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1486ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1487ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1488ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 14898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 14908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1491886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1492886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1493886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 149470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 149570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 149670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 149770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 149886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 149986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1500886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1501886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1502886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 150386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 150486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 150586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 150686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 15074121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 15084121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 15094121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 15104121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 151170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 151270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 151370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 151470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 151570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 151670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 151770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 151870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 151970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 152070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 152170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 15223bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mShader->describe(mDescription, mExtensions); 152370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 152470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 152570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 152670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 152770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 15283bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mColorFilter->describe(mDescription, mExtensions); 152970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 153070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1532f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1533f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1534f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1535f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 153654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1537f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1538f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1539f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 154070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1541f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1542f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1543f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 154470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 154570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 154670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 154870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1549f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1550f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1551f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1552e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()) || 1553e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy (mColorFilter && mColorFilter->blend()), mode, mDescription, swapSrcDst); 155470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 155570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 155670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 155770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 155870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 155970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 156070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 156170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 156270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 156370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 156470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 156570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 156670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 156770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 156870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 156970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 157070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 157170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 157270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 157370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 157470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 157570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 15778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 15788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 15798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 158070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 158170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 158270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 158370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 158470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 158570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 158670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 158886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 158986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 159086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 159186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 159286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 159386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 159486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 159586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 159686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 159786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 159870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1600ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1601ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1602ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1603ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1604ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 160570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 160655fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 160770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 160870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 160970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 161070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 161186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 16125536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 161386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 16145536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 16155536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 16165536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 161770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 161870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 161970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 162070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 162170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 162270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 162370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 16278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 16288d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 16298d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 16308d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 16318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 163270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16384121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 16394121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 16404121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16414121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 164270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1643f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1644cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 164515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 164870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 164970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 16502d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 165115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 165270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 165370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 16562d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 165715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1658aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 16608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 16618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 16628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 16638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 16648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1665aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1666aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1667aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1668aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 166970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1670f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 167170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1672f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1674f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1676d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1677cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 167815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1679cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 168015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 168115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 168215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 168315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 168415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 168515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 168615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1687cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 168815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1689cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 16908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 169170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1694f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1695cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 169615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 16975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 169970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 170070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 170270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1703f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1704f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1705f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 17061271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 170733f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1708b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 17090fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 17100fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 171104c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 17121271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 17130fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 17147b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 17156554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 17160fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 17170fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1718ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1719ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 17202af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik displayList->output(level); 1721ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1722ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1723ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1724a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1725a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1726a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1727a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1728a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1729886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1730886b275e529e44a59c54b933453d9bc902973178Romain Guy 1731a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1732a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1733a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1734886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1735886b275e529e44a59c54b933453d9bc902973178Romain Guy 1736a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1737a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1738a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1739a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1740a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1741a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1742886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1743886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1744886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 17455b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1746e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1747886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 1748886b275e529e44a59c54b933453d9bc902973178Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, 1749886b275e529e44a59c54b933453d9bc902973178Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1750a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1751a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1752486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 17536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 17546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 17556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 17566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1757486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1760a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1762486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 176322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 176422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1765211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1766a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1767a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1768a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1769a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1770486590963e2207d68eebd6944fec70d50d41116aChet Haase 1771486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 17728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 17738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1774486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1775f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1776f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1777f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1778f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 17796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1780486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1783a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17848164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1785486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 178622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 178722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 17885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 17895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 17905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 17915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 1792886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1793886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 1794886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1795886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 1796886b275e529e44a59c54b933453d9bc902973178Romain Guy } 17975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1798486590963e2207d68eebd6944fec70d50d41116aChet Haase 1799486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1800f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1801f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1802486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1803e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1804e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1805e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1806e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1807486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1808e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1809e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1810e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1811e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1812e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1813e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1814886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1815886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 1816886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1817886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1818886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1819486590963e2207d68eebd6944fec70d50d41116aChet Haase 1820486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1821e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1822e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1823486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 18245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 18255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1826486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1829b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1830b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1831b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1832b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1833b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1834a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1835b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1836a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1837a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 18385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 1839a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 18405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 18415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 18425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 18435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 18455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 18465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 18475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 18485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 18505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 18515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 18525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 18535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 18545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 18555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 18565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 18575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 18595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 18605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 18615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 18635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 18645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1865b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1866a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1867a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1868a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1869a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 18705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1873a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1874a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1875a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1876a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1877a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1878a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1879a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 1880a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1881a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1882a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1883a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 1884a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1885a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 1886a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 1887a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1888a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1889a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 1890b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1891b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1892b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 18935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 18945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1895b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1896486590963e2207d68eebd6944fec70d50d41116aChet Haase 1897486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 18985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 18995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1900486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 19018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 19028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 19035c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 19046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1905486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 19066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 19076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1908a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 19098164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1910486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 191122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 19128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 19138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 19148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1915c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 19166816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 19176816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 19186816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 19196816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1920c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 192103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 19228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 19238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 192403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 192503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 192603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 192703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1928d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1929d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1930886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 1931886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 19326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1933886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 1934886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 1935886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 1936886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 1937886b275e529e44a59c54b933453d9bc902973178Romain Guy bool useScaleTransform = mShader && scaled; 1938886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 1939b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1940886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate() && !useScaleTransform)) { 1941886b275e529e44a59c54b933453d9bc902973178Romain Guy float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 1942886b275e529e44a59c54b933453d9bc902973178Romain Guy float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 1943886b275e529e44a59c54b933453d9bc902973178Romain Guy 1944886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 1945886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 1946886b275e529e44a59c54b933453d9bc902973178Romain Guy 1947886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 1948886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 1949886b275e529e44a59c54b933453d9bc902973178Romain Guy 1950886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 1951886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 19526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1953d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 1954886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1955886b275e529e44a59c54b933453d9bc902973178Romain Guy 1956886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 1957886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 1958886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 1959886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 1960886b275e529e44a59c54b933453d9bc902973178Romain Guy 1961886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 1962886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 1963886b275e529e44a59c54b933453d9bc902973178Romain Guy 1964886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 1965886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 1966886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1967886b275e529e44a59c54b933453d9bc902973178Romain Guy 1968886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1969886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 1970886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 1971886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 1972886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 1973886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1974886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1975886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 1976886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 1977886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 1978886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 1979886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1980886b275e529e44a59c54b933453d9bc902973178Romain Guy 1981886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 1982886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 19836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 19848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 19858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1986486590963e2207d68eebd6944fec70d50d41116aChet Haase 1987486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1988ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1989ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1990486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 19914bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 19925c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1993be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1994be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1995be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1996be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1997be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1998be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1999be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2000be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2001be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 2002be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 2003be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 20046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2005486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2008be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 2009be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2010a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2012486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 201322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 2014d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2015d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 2016f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 20172728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 20184bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 2019f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2020211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 20216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 20225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 20238168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2024c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 2025c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 20265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 20275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 20288ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2029211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2030c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2031c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2032c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 20336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2034c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2035c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 20366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 20385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 20395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2040211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 20416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 20426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 20436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 20446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 20456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 20466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 20476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 20486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 20496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 20506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 20516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 20526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 20536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2054054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2055486590963e2207d68eebd6944fec70d50d41116aChet Haase 2056486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2057f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2058f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 205965cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 206065cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 2061bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 2062bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 206365cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2064bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2065bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 206665cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 206765cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 206865cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 206965cd612face362d054a85d0f7e5881c59cd523beChris Craik 2070710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2071710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2072710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2073710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2074710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2075710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2076710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2077710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 207865cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2079710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2080710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2081710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2082858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2083710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2084710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2085cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2086710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2087710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 20886ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2089710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2090710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2091710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2092710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 20936ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2094710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 20956ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 20966ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2097710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 20986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2099710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 21007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2101710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 21026ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 210304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 210465cd612face362d054a85d0f7e5881c59cd523beChris Craik 210565cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2106858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2107858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2108858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 210965cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 211065cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 211165cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 211265cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 211365cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 211465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 211565cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 211699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 211765cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 211865cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 211965cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 212065cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 21217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 212265cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds = path.getBounds(); 212365cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::expandBoundsForStroke(bounds, paint, false); 212465cd612face362d054a85d0f7e5881c59cd523beChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 21257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 212665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 212765cd612face362d054a85d0f7e5881c59cd523beChris Craik} 21287b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 212965cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 213065cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 213165cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 213265cd612face362d054a85d0f7e5881c59cd523beChris Craik * 213365cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 213465cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 213565cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 213665cd612face362d054a85d0f7e5881c59cd523beChris Craik * 213765cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 213865cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 213965cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 214065cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 214165cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 21427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 214365cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 21447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 214565cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 214665cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 214765cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2148d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2149d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2150d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2151d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2152d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 215365cd612face362d054a85d0f7e5881c59cd523beChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 2154486590963e2207d68eebd6944fec70d50d41116aChet Haase 215565cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 215665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 21575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2159486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2160486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2166ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2168ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2174d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2176ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2177ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2178ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2179ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2180ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2181ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2182ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2183ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2184ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 218504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 218604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 218704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 218804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2189ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 219015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2192ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2193ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2194ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2195ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2196ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2198ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2199ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2200ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2201ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2202ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2203ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2204ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2205ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2206ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 22077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 22098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 22108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 22118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 22127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2214ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2215ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2216ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2217486590963e2207d68eebd6944fec70d50d41116aChet Haase 2218486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2219ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2220ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2221486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2222e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2223486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2224e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2225ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2226ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 222770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 22283d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2229486590963e2207d68eebd6944fec70d50d41116aChet Haase 2230486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2231c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22329d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2233486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2234486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2235486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 223601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 223701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 223801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 223901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 224001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 224101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2242486590963e2207d68eebd6944fec70d50d41116aChet Haase 2243486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 224401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 224501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2246486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2247710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2248cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2249710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2250710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 225101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2252cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2253710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2254710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2255710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2256710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2257710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2258710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2259710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2260710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2261cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2262cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2263cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2264cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2265cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2266cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2267710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 226865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2269c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 227001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2271710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2272cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2273cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2274710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2275710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2276cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2277710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2278710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2279710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2280710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2281710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2282710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2283cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2284cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2285cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2286cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2287cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 228865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2289c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 229001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2291486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2292710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2293cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2294710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2295710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 229601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2297cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2298710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2299710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2300710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2301710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2302710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2303710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2304710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2305cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2306cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2307cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2308710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 230965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2310c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2311c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2312486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2313780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2314780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2315780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2316780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 23178b2f5267f16c295f12faab810527cd6311997e34Romain Guy 23188b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2319780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 23208b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 23218b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2322780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 232365cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2324780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2325780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 2326780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2327780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2328780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2329780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2330780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2331780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2332780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2333780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2334780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2335780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2336780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2337780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2338780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2339780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2340780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2341780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2342780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 234365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 23448b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 23458b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2346cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2347cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2348cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2349486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2350cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2351486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2354710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2355cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2356cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2357cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2358cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2359cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2360cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2361cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2362cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2363cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2364cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2365cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2366cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2367cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2368cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2369cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 237065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2371026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2372026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2373181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2374710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2375710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 237665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2377858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2378710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 237965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2380858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2381c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23829d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2383416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2384416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2385416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2386416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2387416a847633680d94efb926837efdc18726d54918Raph Levien 2388416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2389416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2390416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2391416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2392416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2393416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2394416a847633680d94efb926837efdc18726d54918Raph Levien 2395416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2396416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2397416a847633680d94efb926837efdc18726d54918Raph Levien 2398416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2399416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2400416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2401416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2402416a847633680d94efb926837efdc18726d54918Raph Levien } 2403416a847633680d94efb926837efdc18726d54918Raph Levien 2404416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2405416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2406416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2407416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2408416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2409416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2410416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2411416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2412416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2413416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2414416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2415416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2416416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2417416a847633680d94efb926837efdc18726d54918Raph Levien 2418416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2419416a847633680d94efb926837efdc18726d54918Raph Levien} 2420416a847633680d94efb926837efdc18726d54918Raph Levien 2421486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2422eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2423671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24249c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2425486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2426eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2427eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2428671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2429671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2430486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2431671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2432671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2433671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2434671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2435671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2436671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2437671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2438671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2439671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2440671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2441b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2442e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 2443671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2444671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2445671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2446671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2447671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2448416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2449e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2450e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2451416a847633680d94efb926837efdc18726d54918Raph Levien } 2452416a847633680d94efb926837efdc18726d54918Raph Levien 2453671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2454671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2455671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2456671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2457671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2458671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2459671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2460671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 24614121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2462671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2463671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2464671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2465671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2466671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2467671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2468671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2469671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2470671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2471671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2472671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2473671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 24744121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2475671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2476671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2477671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2478671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2479211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2480671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2481671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2482671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2483671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2484671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2485671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2486671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2487671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2488671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2489671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2490486590963e2207d68eebd6944fec70d50d41116aChet Haase 2491486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2492eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2493eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2494c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2495996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2496671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24979c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2498486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2499e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2500e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2501a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2502e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2503e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2504e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2505e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2506e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2507e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2508e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2509e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2510e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2511e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2512e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2513cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2514cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 251533f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2516486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2517cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2518cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 2519e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#if DEBUG_GLYPHS 2520e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2521e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy SkTypeface::UniqueID(paint->getTypeface())); 2522e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#endif 2523e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 2524e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2525e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 2526e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 25273a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 25283a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 25296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2530211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 25316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 253586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 253686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 253786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25389d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2539211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2540996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2541996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 25421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 25431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 25456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 25466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 25476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 25486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 255016c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2551a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 255286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 25534121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 255486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 255586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 255686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 255786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 255886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 255986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 256086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 256186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 256216c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 256316c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 256486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 256586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 256686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 256786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 25684121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 256906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2570a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : 2571a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy (mSnapshot->hasPerspectiveTransform() ? NULL : &mSnapshot->getLocalClip()); 25725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 25735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2574211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2575894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2576996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2577a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 25788b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 25798b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 25808b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2581a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2582996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 25838b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2584a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2585996e57c84368058be793897ebc355b917a59abc2Raph Levien } 25864ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25874ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 25884ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 25894ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 25905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 25914ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 25925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2593694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25943a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2595486590963e2207d68eebd6944fec70d50d41116aChet Haase 2596486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2597694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2598694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2599486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2600325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 260103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 260203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2603486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 260403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 260503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2606b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2607e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 260803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 260903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 261003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 261103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 261203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 261303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 261403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 26154121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 261603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 261703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 261803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 261903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 262003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 262103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 262203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 26239777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 262403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 262503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 262603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 26279777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 26284121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 26299777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26309777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 26319777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 263203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 26339777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 26349777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26359777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 26369777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 26379777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 26389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 26399777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 26409777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 26419777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2642486590963e2207d68eebd6944fec70d50d41116aChet Haase 2643486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2644325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2645325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2646486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2647486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2648dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2649a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26507fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2651fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2652486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 265322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 26547fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 26558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 26568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 26578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 265801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2659486590963e2207d68eebd6944fec70d50d41116aChet Haase 2660486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26617fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 26627fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2663486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 266435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2665486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26666c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 26676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2668b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2669b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2670b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2671b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2672b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 2673b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mSnapshot->transform->multiply(*transform); 2674b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2675b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2676b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 267735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 267835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 267935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 268035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 26814ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 268235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2683b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2684b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2685b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 268635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 268735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 268835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 26895bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 26902bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 269187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2692a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2694211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2695e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy SkiaColorFilter* oldFilter = mColorFilter; 2696e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = layer->getColorFilter(); 2697e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2698c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 269940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2700c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2701d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2702c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2703c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 27048168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2705c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 27069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2707c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2708c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2709c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 27109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2711211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27124ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 27134ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 27149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2715d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 27164ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 27174ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 27189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2719d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 27209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 27219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 27229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2723c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2724c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2725c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2726c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2727c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2728c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 27293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 27303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 27313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 27323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2733c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 27344ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2735e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = oldFilter; 2736e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 27375bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 27385bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 27394ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 27404ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 27414ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2742f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2743486590963e2207d68eebd6944fec70d50d41116aChet Haase 2744b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2745b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2746b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2747b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 2748486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27496c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 27506c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 27516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2752d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2753d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2754d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2755d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 275606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 275706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 275806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 275906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 276006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 276106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2762fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 276306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 27647fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 27657fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2766d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2767db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2768db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2769db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2770db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2771db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2772db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2773db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2774db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2775db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2776db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2777db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2778db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 27791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 27801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 27831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 27841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 27871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 27881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 27891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 27901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 27911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 27921e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27941e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 27965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 27995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 28005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 28035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 28045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 28055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 28065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28085ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2809dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 28105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 28125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 28145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 28155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 28175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 28216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 28226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 282301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 282401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 282501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 282601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 282701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 282801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 282901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 283001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 283101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 283201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 283301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 283401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 283501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 283601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 283701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 283801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 283901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 284001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 284101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 284201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 284301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 284401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 284501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 284601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 284701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 284801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 284901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 285001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 285101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2852f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 28530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 28540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 28550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 28560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 28580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 28590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 28600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 28610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2862726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 28630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 28640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 28650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2866726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 28670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2869211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2870726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2871f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 28720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28738b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 28740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2875e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2876f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2877f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2878f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2879f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2880f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2881e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2882e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 28830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 28850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2886e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2887e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2888e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2889e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 28930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2894e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2895e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2896e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2897e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2899e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2900726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2901e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2902726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 29030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 29060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2907672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 2908672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 2909672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 2910672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2911672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2912735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 2913735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 2914735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy if (mShader) { 2915735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 2916735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 2917735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 2918735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 2919735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 2920735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 2921735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 2922735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 29233bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 2924735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 2925672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 2926672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 2927672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 2928672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 2929672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2930672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 2931672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 2932672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 2933672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29342af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 2935672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 2936672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 2937672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 2938672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 2939672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (ignoreTransform || !quickRejectNoScissor(left, top, right, bottom)) { 2941672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, b); 2942672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, t); 2943672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, t); 2944672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, b); 2945672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, t); 2946672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, b); 2947672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2948672433d90fab7383cd28beac9d4485b566a90940Romain Guy vertexCount += 6; 2949672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2950672433d90fab7383cd28beac9d4485b566a90940Romain Guy left = fminf(left, l); 2951672433d90fab7383cd28beac9d4485b566a90940Romain Guy top = fminf(top, t); 2952672433d90fab7383cd28beac9d4485b566a90940Romain Guy right = fmaxf(right, r); 2953672433d90fab7383cd28beac9d4485b566a90940Romain Guy bottom = fmaxf(bottom, b); 2954672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2955672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2956672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29573bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (count == 0 || (clip && quickReject(left, top, right, bottom))) { 2958a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 2959a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 2960672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2961672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 2962672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 2963672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2964672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 2965672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 2966672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 2967672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 2968672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 2969735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 2970672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 2971672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 2972672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 2973672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 2974672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 2976672433d90fab7383cd28beac9d4485b566a90940Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2977672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2978672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2979672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 2980672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2981672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 2982672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 2983672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2984026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 29851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2986d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 298706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2988d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2989d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2990d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 299170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 299215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 29939c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 299470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 299570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 299670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 299770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 299870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 299970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 300070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 300170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 300270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3003c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3004c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3005c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3006c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 300782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 30088164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 300982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 301082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 301182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 301282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3013d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 30148164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 3015211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 30166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 30176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 30186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3019d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 30206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 30216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 30226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 30236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3024d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 30256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 30266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 30276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 30286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 302985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 303085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3031bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3032a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3033a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 303403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3035f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3036f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3037f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3038a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 30396820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 30405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 30418694230ff25fa0a60e480d424843e56b718f0516Romain Guy 304270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 304370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 304470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 304570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 304670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 304770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3048886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 30495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 305070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 305103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 305270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3053db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3054886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 305586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 305670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 305770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3058db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 30596820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 306070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 306170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 306282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 306382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3064886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3065886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3066886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3067886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty) { 3068886b275e529e44a59c54b933453d9bc902973178Romain Guy 3069886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3070886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3071886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3072886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3073886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3074886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3075886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3076886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3077886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3078886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3079886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 3080886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3081886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3082886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3083886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3084886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3085886b275e529e44a59c54b933453d9bc902973178Romain Guy 3086886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3087886b275e529e44a59c54b933453d9bc902973178Romain Guy 3088886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3089886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3090886b275e529e44a59c54b933453d9bc902973178Romain Guy 3091a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3092f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 309382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3094c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 309582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 309682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 309782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 309882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 309982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 310082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 310133fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 31023bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3103a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3105a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 310682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 310782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 310882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 310982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 311082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 311182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 311282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 311382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3114a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 311582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 311682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 311782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 311882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 311982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 312082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 312182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 312282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 312382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 312482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 312582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 312682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 312782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 312882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3129fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 313082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 313182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3132fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3133bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3134bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3135889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3136d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3137fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3138d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3139fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 31406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3141260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 31426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3143260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3144260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3145026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3146ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 314782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 314882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 314982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 315082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 31518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 31528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 31535c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3154be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3155db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3156026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3157026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 31589d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3159e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3160