OpenGLRenderer.cpp revision ca89e2a68703bd428e8b66547d033a6ed35b3595
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 35c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 3765cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 39a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 41e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 50759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 51f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 52dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 53713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 54d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 67889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 70026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 84d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 86026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 87e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 9087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 91f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 105d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 108f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 112f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1133bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1143bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 115c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 116c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 117c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 118c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 119026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 120ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 121ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 122ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 12387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 12487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 130e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 131e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 13887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 13987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 14087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 14113631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 14213631f3da855f200a151e7837ed9f6b079622b58Romain Guy 14313631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 145f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 146f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 147ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyvoid OpenGLRenderer::setName(const char* name) { 148ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy if (name) { 149ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.setTo(name); 150ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } else { 151ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.clear(); 152ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } 153ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 154ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 155ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyconst char* OpenGLRenderer::getName() const { 156ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy return mName.string(); 157ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 158ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 15949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 16049c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 16149c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 16249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 16385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 16435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 16535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 16735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 17035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 17135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 173260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 174bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 175bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 176bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 177eb99356a0548684a501766e6a524529ab93304c8Romain Guy 178eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 179eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 180e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 181e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1827c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::prepare(bool opaque) { 18344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1847d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1857d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 186c3fedafc5f50100219449125a000e3138f6fb987Romain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 187c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 188fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 189fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1918aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 19284962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1938fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 194f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1957d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 19641308e2936c768103d0e9c82500e97938d6797f1Romain Guy mDirtyClip = true; 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 19911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 200dcfc836b457a87881da409e1acf251515f121446Romain Guy discardFramebuffer(left, top, right, bottom); 20145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 202ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 2037d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 20854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 2092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 21057b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 2112b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2127c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2137c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2147c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return clear(left, top, right, bottom, opaque); 2157c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2167c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 217dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 218dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 219dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 220dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2213bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 222dcfc836b457a87881da409e1acf251515f121446Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 223f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 224f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 225f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 226f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 227dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 228dcfc836b457a87881da409e1acf251515f121446Romain Guy } 229dcfc836b457a87881da409e1acf251515f121446Romain Guy} 230dcfc836b457a87881da409e1acf251515f121446Romain Guy 2317c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 2326b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 233586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 234ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2356b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 23644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 237ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 23844b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2397c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 24044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 241ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 242ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 243ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 244ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 245ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 246ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 247ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 248ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 249ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2506b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 251bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 252bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 25357b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 25454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 25554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy Rect* clip = mTilingSnapshot->clipRect; 256c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (s->flags & Snapshot::kFlagFboTarget) { 257c3fedafc5f50100219449125a000e3138f6fb987Romain Guy clip = &s->layer->clipRect; 25854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 25954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 260c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(*clip, s->height, opaque); 261c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 262c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 263c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 264c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 265c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 266c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 26752036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2682b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2692b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2702b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2712b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 27254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2732b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2742b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 275b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2767c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2782b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 279ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 280ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 281ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 282ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 283ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 284ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 28511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 286b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 28711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 28811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 28911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 29011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 29111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 29211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 29311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 29511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 29611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 29711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 29811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 29911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 30011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 30111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 30211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 30311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 304a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 305b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 30611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 307c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 308e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 30911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 31011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 31111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 31211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 313c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 31411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 315b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 316b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3176c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 318da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 319da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 320da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 321da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 322da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 323da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 32450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 32515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 326f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 327ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 3287c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 329da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 330da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3316c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 33208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 33308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 33435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3357c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 33635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3373e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3383e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3398025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 340586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 34182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 342746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 343da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 344a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 34550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 34650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 34750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 34850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 34950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 350da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 351da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 35235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 35335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 35535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3567c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 35735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 35935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 36035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 36135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 362ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 363932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 364ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3658f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 366ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 367ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 368ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3698f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 370ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 371ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3723d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3738f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 374ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 375d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 376ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 377ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 378ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 379ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 380ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 381ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 382ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 383ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 384ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 385ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 386ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 387ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 388ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 389ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 390ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 391ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 392ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 393c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 394ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 395ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 396c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 397ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 398c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 399c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 4008f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4018f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 402d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 4038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 4068f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 4078f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4088f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 409daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 410932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 411c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 4128a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 413f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 414f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 415f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 416d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 41780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 41880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 41980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 420d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 421d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 422d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 423d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 424d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 425d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 42608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 42708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 42808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 42908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 43008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 43108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4327b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4337b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 43408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 43580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 436486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 437cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4388f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 43908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 440cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4418f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 44265924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 443ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4448f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 445cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 446cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 447daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4486554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 449daf98e941e140e8739458126640183b9f296a2abChet Haase} 450daf98e941e140e8739458126640183b9f296a2abChet Haase 451f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 45287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 45387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 4550f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4560f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4570f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4580f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 45987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 46087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 46187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 46287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 46387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 46487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 46587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 46687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 46787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 46887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 46987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 47087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 47187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 47287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 47487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 47587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 47687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 47787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 48087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 48187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 48287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 48387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 48487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 48587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 48687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 48787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 48887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 48987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 49087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 49187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 49287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 49387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 49487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 49587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 49687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 49787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 49887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 49987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 50087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 50187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5117c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5127c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5137c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 52611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 5295bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 53211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 53511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 53611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 53811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 53911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 54011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 54111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 54211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 54311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 54411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 54511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 54611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 54711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 54911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 55111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 55211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 55311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 55411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 55711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 55811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 55911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 56411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 56511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 56611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 56711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 56811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 57311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 575f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 576f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 577f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 578bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 580bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 581bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 582bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 584bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 585bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 586bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5872542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5882542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 590bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 591bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 592bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5938fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 594bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5958fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5962542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 598bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 599bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 6008aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 6018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 6028fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 603bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 604bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 605bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 6067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 607bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 608eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 609bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 610bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 6117ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 612bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 615eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 618eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6198b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 6208b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 6218b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 6222542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 623746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 6248fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 6252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6265ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6275ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 6285ec9924d24495822b589f1a17996655d66273b30Romain Guy } 6295ec9924d24495822b589f1a17996655d66273b30Romain Guy 6302542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 631d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6325cbbce535744b89df5ecea95de21ee3733298260Romain Guy 633f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 634bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 635bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 636bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 637bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6385c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 639eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 640eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 641d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 642af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 643e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 644e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 645e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 646e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 647e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 648710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mode = getXfermode(p->getXfermode()); 649a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 650e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 651d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 652d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 653d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 654dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 655d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 656d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 657bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 658bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 659bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 660bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 661f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 6628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 6638b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 6648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 6658aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 6668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 6678b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 668d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 669bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6876b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6886b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6896b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6906b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 69587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 7001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 7011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 7021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 7031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 7041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 7061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 7071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 7081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 7091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 7101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 7111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 7121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 7131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 7141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 71587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 71687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 71787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 71887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 71987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 7201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 722d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 723eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 724fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 725dda570201ac851dd85af3861f7e575721d3345daRomain Guy 726eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 727eb99356a0548684a501766e6a524529ab93304c8Romain Guy 728f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 731d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 7323b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 733d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 734d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 735d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 736d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 737d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 738d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 739d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 740d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 741d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 742d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 743ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 744d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 745d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 746d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 7473b753829ae858d424fe109f714745379a6daf455Romain Guy inverse.loadInverse(currentTransform()); 748d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 749d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 750d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 751d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 752d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 753d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 754d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 755d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 756ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 757d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 758d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 759eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 760bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 761746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 762d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 763d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 764d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 765dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 766d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 767dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 768dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 769dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 770d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 771b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 772b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 773dda570201ac851dd85af3861f7e575721d3345daRomain Guy 774a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7758550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 776f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 777f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 778bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 779bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7818aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 784c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 785a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7867c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 787dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7888fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 789d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 790d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 792eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 793d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 794eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 795eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 797514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 800d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 803514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 804514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 805d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 806514fb18827186591d66973c2362c859b64b63556Romain Guy } 8077b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 80854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 80954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 810ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 811eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 812f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 813d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 814bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 815bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 816d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 817c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 8189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 820d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 821c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 822c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 823d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 824d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 825d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 826d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 827d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 828d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8302b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8317c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 8349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 8399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 845f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 848586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8498f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8651d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8661d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8673762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 8728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 874eb99356a0548684a501766e6a524529ab93304c8Romain Guy 875eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 878e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 879e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 883eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 884eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8857c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8862b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8872b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 888eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 889eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 891f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 895f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 896f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 89703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 899a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 903eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 9059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 907171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 9099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 910171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 911171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 9129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 9139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 9149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 915eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 9161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 917746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 918746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 919eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 9208550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 922603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9241d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 926aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 928aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 929aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9318f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9328f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9338f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9348f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 936aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 939aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 940aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 941aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9473b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 948ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 949ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9503b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 9513b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 9529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 953d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 956d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 960aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 961aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 962aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 963aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 964aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 965aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 966aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 969aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 9753b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 976ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 977b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 978b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 979b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9823b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 9833b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 9849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 986d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 988d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 997aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 998aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 999aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1000aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1001aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1002aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 10035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 10079fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 10089fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 100940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 10109fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 10115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 10135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10158a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 10168a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 1017211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 10185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 10196c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 10206c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 10216c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 10226c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 10236c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 10246c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 10256c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 10266c5b9be7450903762f676522c32d65f7545730dfChris Craik } 10275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 10299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 10309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1031f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 10325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 10348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 10368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 10378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10417230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10427230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1043ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10457230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10467230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10477230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1048ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10503b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 10513b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 10523b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 10539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1054d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1057d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 106015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1066f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1068f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10897230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 11003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 11013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 11023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 11033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 11053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 11063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 11073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 11083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 11103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 11113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 11133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 11143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 11153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 11163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 11173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 11193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 11203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 11213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 11223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 11233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 11243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 11268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 11278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy int count = 0; 11288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 11298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 11318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 11328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 11338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 11348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 11358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 11368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 11372af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik count += 4; 11388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 11398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 11408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11413bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy drawColorRects(rects.array(), count, color, mode, true, dirty, false); 11428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 11438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1146f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 11485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 117154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 117254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 117354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 117454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 117654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 117754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 117854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 117954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 118154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 118254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11838a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 118454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 118654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 118754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 118954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 119054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 119154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 119254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 119354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 119454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 119554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 119654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 119754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 119854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 119954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1200e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1201e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1202e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1203e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 120454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 120554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 120654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 120754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 120854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 120954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 121054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 121139d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 121254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 121354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 12148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12158a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 121654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 121754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 121854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 121954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1220e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 122154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 122254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 122354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1224bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1225c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1226c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1227c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1228c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state) { 1229c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1230c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1231c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1232c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // state only has bounds initialized in local coordinates 1233c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (!state.mBounds.isEmpty()) { 1234c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik currentMatrix.mapRect(state.mBounds); 1235c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (!state.mBounds.intersect(currentClip)) { 1236c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // quick rejected 1237c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return true; 1238c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 12395d11676414b3606792e23c269cf75b44faa1a2afChris Craik } else { 12405d11676414b3606792e23c269cf75b44faa1a2afChris Craik state.mBounds.set(currentClip); 1241c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1242c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1243c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mClip.set(currentClip); 1244c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 1245c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mDrawModifiers = mDrawModifiers; 1246c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1247c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1248c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1249c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state) { 12503b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 1251c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1252c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // NOTE: a clip RECT will be saved and restored, but DeferredDisplayState doesn't support 1253c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // complex clips. In the future, we should add support for deferral of operations clipped by 1254c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // these. for now, we don't defer with complex clips (see OpenGLRenderer::disallowDeferral()) 1255c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, state.mClip.right, state.mClip.bottom); 1256c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik dirtyClip(); 1257c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers = state.mDrawModifiers; 1258c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1259c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1260c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1261f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1263f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1264f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 12653b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().translate(dx, dy, 0.0f); 1266f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1267f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1268f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 12693b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1270f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1271f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1272f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 12733b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1274f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1275f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1276807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 12773b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1278807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1279807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1280f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1281e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 12823b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1283e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 12843b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1285e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1286f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1287f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1288b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 12893b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1290b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1291b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1292f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 12933b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1294f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1295f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1296f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1297e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 12983b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1299e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 13003b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1301f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1302f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1303f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1304f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1305f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1306f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1307bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1308e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1309e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 13108f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 13118a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 13128a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 13138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 13148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13159d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 13169d5316e3f56d138504565ff311145ac01621dff4Romain Guy 13178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 13188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 13198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 13208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 13218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 13228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 13238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 13278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 13288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1329c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1330c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1331c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1332c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1333c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 13348d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 13353bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 13368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1337c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1338f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 13398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 13438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 13448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 13458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 13468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 13478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 13488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 13508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 13528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 13548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 13558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 13568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 13578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 13588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 13598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 13618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 13628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 13648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 13658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 13668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 13688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 13698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 13708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 13723ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 13733ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 13743ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 13753ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 13763ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 13773ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 13788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 13798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 13808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13849d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1385079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1386bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1387bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 13888a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 13898a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 13908a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 13918a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13928a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 13943b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 13958a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 13968a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13978a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 13988a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 13998a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 14008a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 14018a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 14028a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 140335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 140435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 140535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 140635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 140735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 140835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 140935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 14103b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(transformed); 141135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 141235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 141335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 141435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 141535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 141635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 141735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 141835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1419672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1420672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1421cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1422cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1423cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1424cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1425cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1426cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1427cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1428cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1429c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1430bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1431dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1432dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1433dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 14353b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 1436d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1437d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1438d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1439d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1440d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1441586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1442586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 144387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1444586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1445586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1446586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1447c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1448c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 14498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1450735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 14518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 14528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 14538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 14558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1456735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 14578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 14583b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 14598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 14608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1462735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 14647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1470e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1471e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1472735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 14743b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 14758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 14778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 14788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 14808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 14818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 14828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 14838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1495735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1496735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1497735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 14998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 15008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1503735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1504735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1505a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1506a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1507a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1508a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1509f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 151070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 151170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 151270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 151354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 15148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 15158a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 151654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 15178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1519b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1520b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1521b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1522b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 15238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 152470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 15253ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 152670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 15273ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 152870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 152970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 153070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 153170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 153270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 15333ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15343ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 15353ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 15363ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 15373ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 15383ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 153970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 154170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 154270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 154370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 154470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1546ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1547ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1548ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1549ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1550ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1551ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1552aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1553aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1554aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1555aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 155615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1557ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 155815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 155915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1560710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 156199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 15625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1564ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1565ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1566ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1567ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1568ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 15698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 15708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1571886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1572886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1573886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 157470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 157570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 157670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 157770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 157886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 157986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1580886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1581886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1582886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 158386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 158486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 158586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 158686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 15874121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 15884121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 15894121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 15904121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 159270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 159870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 160070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1601c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1602c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 160370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 160470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 160570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 160670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1607c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1608c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 160970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 161070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1612f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1613f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1614f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1615f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 161654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1617f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1618f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1619f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 162070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1621f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1622f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1623f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1624c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1625c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1626c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 162770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1630f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1631f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1632f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1633c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1634c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1635c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1636c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 164370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 164570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 164770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 164870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 164970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 165070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 16513b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 16523b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 165370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1654c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 165570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 165870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 16603b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 16618d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 16628d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 166370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 166470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 166570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 166670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 166770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 166870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 166970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 167070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 167186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 167286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 16733b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 167486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 16753b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 167686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 167786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1678c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 167986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 168086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 168170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1683ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1684ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1685ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1686ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1687ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1689c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 169070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 169170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 169270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 16955536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 169686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 16975536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 16985536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 16995536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 170070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1701c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 170270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 17033b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 170470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1705c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1706c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 170770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 170870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17108d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1711c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1712c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1713c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 17148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 17158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 17168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 171770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1718c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1719c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 172070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 172170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17234121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 17244121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 17254121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 17264121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 172770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1728f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1729cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 173015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 173170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 173470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 17352d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 173615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1739aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1740aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 17412d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 174215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1743aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1744aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 17458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 17468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 17478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 17488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 17498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1750aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1751aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1752aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1753aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1755f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1757f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 175870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1759f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 176070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1761d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1762cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 176315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1764cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 176515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 176615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 176715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 176815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 176915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1770ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1771ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1772ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1773ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1774ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1775ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1776ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1777ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1778ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1779ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1780ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1781ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1782ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1783ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1784ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1785ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1786ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 178715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 178815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1789cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 179015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1791cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 17928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 179370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1796f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1797cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 179815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 17995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 18005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 180170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 180270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 180470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1805f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1806f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1807f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1808c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags) { 18090fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 18100fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 181104c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 18120f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 1813c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return displayList->replay(*this, dirty, flags, 0); 1814c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1815c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1816c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DeferredDisplayList deferredList; 1817c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return displayList->replay(*this, dirty, flags, 0, &deferredList); 18180fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 18197b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 18206554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 18210fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 18220fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1823c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 1824ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 18257031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 1826ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1827ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1828ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1829a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1830a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1831a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1832a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1833a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1834886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1835886b275e529e44a59c54b933453d9bc902973178Romain Guy 1836a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1837a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1838a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1839886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1840886b275e529e44a59c54b933453d9bc902973178Romain Guy 1841a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 18423b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 18433b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 18443b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 1845a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1846a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1847886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1848886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1849886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 18505b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1851e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1852886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 1853886b275e529e44a59c54b933453d9bc902973178Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, 1854886b275e529e44a59c54b933453d9bc902973178Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1855a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1856a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1857486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 18586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 18596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 18606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 18616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1862486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1865a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18668164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1867486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 186822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 186922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1870211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1871a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1872a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1873a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1874a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1875486590963e2207d68eebd6944fec70d50d41116aChet Haase 1876486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 18778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 18788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1879486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1880f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1881f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1882f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1883f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 18846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1885486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1888a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1890486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 189122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 189222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 18935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 18945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 18955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 18965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 1897886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1898886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 1899886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1900886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 1901886b275e529e44a59c54b933453d9bc902973178Romain Guy } 19025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1903486590963e2207d68eebd6944fec70d50d41116aChet Haase 1904486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1905f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1906f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1907486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1908e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1909e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1910e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1911e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1912486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1913e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1914e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1915e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1916e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1917e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1918e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1919886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1920886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 1921886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1922886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1923886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1924486590963e2207d68eebd6944fec70d50d41116aChet Haase 1925486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1926e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1927e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1928486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 19295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 19305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1931486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 19325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1934b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1935b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1936b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1937b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1938b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1939a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1940b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1941ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 1942ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 1943ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1944ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 1945ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 1946ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 1947ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 1948ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 1949ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 1950ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1951a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 19525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 19535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 19545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 19555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 19565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 19575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 19585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 19595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 19605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 19615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 19625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 19635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 19645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 19655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 19665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 19675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 19685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 19695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1970ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 1971ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 1972ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 19735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1974ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 1975ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 1976ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 1977b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1978a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1979a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1980a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1981a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 19825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1985a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1986ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 1987a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1988a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1989a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1990a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1991a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1992ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 1993ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 1994ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy return DrawGlInfo::kStatusDone; 1995ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1996a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1997a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1998a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1999a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2000a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2001a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2002a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2003a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2004a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2005ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2006ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2007a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 20083b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2009b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2010b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2011ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2012ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2013ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2014ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2015ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2016ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2017ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2018ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2019ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2020ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2021ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2022ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2023ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2024ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2025ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2026ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy finishDrawTexture(); 2027ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2028ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2029ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2030ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2031ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2032ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2033ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2034486590963e2207d68eebd6944fec70d50d41116aChet Haase 2035486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 20375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2038486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 20398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 20408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 20415c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 20426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2043486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2046a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20478164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2048486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 20508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 20518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 20528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2053c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 20546816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 20556816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 20566816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 20576816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 2058c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 205903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 20608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 20618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 206203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 206303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 206403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 206503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2066d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2067d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2068886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 20706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2071886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2072886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2073886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2074886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2075c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2076886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2077b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 20783b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 20793b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 20803b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2081886b275e529e44a59c54b933453d9bc902973178Romain Guy 2082886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2083886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2084886b275e529e44a59c54b933453d9bc902973178Romain Guy 2085886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2086886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2087886b275e529e44a59c54b933453d9bc902973178Romain Guy 2088886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2089886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 20906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2091d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2092886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2093886b275e529e44a59c54b933453d9bc902973178Romain Guy 2094886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2095886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2096886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2097886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2098886b275e529e44a59c54b933453d9bc902973178Romain Guy 2099886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2100886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2101886b275e529e44a59c54b933453d9bc902973178Romain Guy 2102886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2103886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2104886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2105886b275e529e44a59c54b933453d9bc902973178Romain Guy 2106886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2107886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2108886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2109886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2110886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2111886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2112886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2113886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2114886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2115886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2116886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2117886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2118886b275e529e44a59c54b933453d9bc902973178Romain Guy 2119886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2120886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 21216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 21238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2124486590963e2207d68eebd6944fec70d50d41116aChet Haase 2125486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2126ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2127ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2128486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 21294bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 21305c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 2131be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 2132be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 2133be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 2134be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2135be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 2136be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 2137be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2138be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2139be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 2140be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 2141be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 21426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2143486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2146be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 2147be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 21482728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 21494bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 2150f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2151211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2152a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2153a4adcf0239039eb8f005be252409901c41b28839Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2154a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2155a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 2156a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2157a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2158a4adcf0239039eb8f005be252409901c41b28839Romain Guy 21593b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 21605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 21618168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 21623b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 21633b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 21645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 21655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 21668ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2167211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2168c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2169c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2170c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 21716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2172c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 21733b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 21746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2178211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 21793b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 21803b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 21816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 21826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 21836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 21846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 21856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 21866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 21876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 21886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 21896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 21906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 21916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2192054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2193486590963e2207d68eebd6944fec70d50d41116aChet Haase 2194486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2195f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2196f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 219765cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 219865cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 2199bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 2200bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 220165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2202bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2203bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 220465cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 220565cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 220665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 220765cd612face362d054a85d0f7e5881c59cd523beChris Craik 2208710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2209710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2210710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2211710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2212710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2213710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2214710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2215710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 221665cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2217710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2218710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2219710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2220858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2221710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2222710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2223cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2224710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2225710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 22266ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2227710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2228710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2229710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2230710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 22316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2232710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 22336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 22346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2235710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 22366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2237710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 22387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2239710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 22406ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 224104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 224265cd612face362d054a85d0f7e5881c59cd523beChris Craik 224365cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2244858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2245858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2246858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 224765cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 224865cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 224965cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 225065cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 225165cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 225265cd612face362d054a85d0f7e5881c59cd523beChris Craik * 225365cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 225499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 225565cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 225665cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 225765cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 225865cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 22597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226065cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds = path.getBounds(); 226165cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::expandBoundsForStroke(bounds, paint, false); 22623b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 22637b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 226565cd612face362d054a85d0f7e5881c59cd523beChris Craik} 22667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226765cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 226865cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 226965cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 227065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 227165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 227265cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 227365cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 227465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 227565cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 227665cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 227765cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 227865cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 227965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 22807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 228165cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 22827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 228365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 228465cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 228565cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2286d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2287d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2288d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2289d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2290d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 22913b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2292486590963e2207d68eebd6944fec70d50d41116aChet Haase 229365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 229465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 22955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2297486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2298486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2299ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2300ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2301ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2302ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 23035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2304ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 23058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2306ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 23078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 23088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 23098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 23108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 23118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2312d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2313ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2314ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2315ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2316ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2317ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2318ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2319ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2320ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2321ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2322ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 232304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 232404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 232504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 232604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2327ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 232815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 23298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2330ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2331ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2332ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2333ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2334ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 23358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2336ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2337ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2338ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2339ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2340ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2341ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2342ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2343ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2344ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 23457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 23478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 23488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 23498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 23507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23513b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2352ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2353ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2354ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2355486590963e2207d68eebd6944fec70d50d41116aChet Haase 2356486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2357ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2358ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2359486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2360e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2361486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2362e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2363ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2364ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 236570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23663d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2367486590963e2207d68eebd6944fec70d50d41116aChet Haase 2368486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2369c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23709d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2371486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2372486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2373486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 237401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 237501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 237701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 237801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2380486590963e2207d68eebd6944fec70d50d41116aChet Haase 2381486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 238201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 238301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2384486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2385710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2386cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2387710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2388710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 238901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2390cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2391710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2392710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2393710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2394710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2395710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2396710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2397710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2398710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2399cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2400cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2401cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2402cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2403cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2404cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 240665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2407c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 240801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2410cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2411cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2413710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2414cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2415710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2416710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2417710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2418710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2419710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2420710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2421cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2422cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2423cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2424cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2425cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 242665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2427c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 242801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2429486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2430710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2431cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2432710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2433710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 243401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2435cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2436710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2437710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2438710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2439710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2440710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2441710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2442710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2443cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2444cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2445cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2446710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 244765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2448c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2449c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2450486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2451780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2452780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2453780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2454780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 24558b2f5267f16c295f12faab810527cd6311997e34Romain Guy 24568b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2457780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 24588b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 24598b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2460780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 246165cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2462780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2463780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 2464780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2465780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2466780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2467780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2468780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2469780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2470780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2471780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2472780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2473780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2474780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2475780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2476780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2477780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2478780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2479780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2480780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 248165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 24828b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 24838b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2484cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2485cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2486cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2487486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2488cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2489486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2492710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2493cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2494cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2495cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2496cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2497cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2498cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2499cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2500cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2501cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2502cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2503cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2504cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2505cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2506cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2507cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 250865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2509026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2510026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 25113b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2512710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2513710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 251465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2515858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2516710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 251765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2518858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2519c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25209d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2521416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2522416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2523416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2524416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2525416a847633680d94efb926837efdc18726d54918Raph Levien 2526416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2527416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2528416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2529416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2530c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2531416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2532416a847633680d94efb926837efdc18726d54918Raph Levien 2533c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2534c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2535416a847633680d94efb926837efdc18726d54918Raph Levien 2536c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2537c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2538c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2539416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2540416a847633680d94efb926837efdc18726d54918Raph Levien } 2541416a847633680d94efb926837efdc18726d54918Raph Levien 2542416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2543416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2544416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2545416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2546416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2547416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2548416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2549416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2550416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2551416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2552416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2553416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2554416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2555416a847633680d94efb926837efdc18726d54918Raph Levien 2556416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2557416a847633680d94efb926837efdc18726d54918Raph Levien} 2558416a847633680d94efb926837efdc18726d54918Raph Levien 2559768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2560768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2561768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2562768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2563768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2564486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2565eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2566768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2567486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2568eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2569eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2570671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 25713b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2572486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2573671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2574671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2575671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2576671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 25773b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2578671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 25793b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 25803b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2581671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2582671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2583b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2584c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2585671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2586671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2587671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2588671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2589671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2590c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2591e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2592e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2593416a847633680d94efb926837efdc18726d54918Raph Levien } 2594416a847633680d94efb926837efdc18726d54918Raph Levien 2595671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 25963b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2597671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2598671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2599671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2600671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2601671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2602671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 26034121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2604671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2605671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2606671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2607671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2608671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2609671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2610671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2611671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2612671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2613671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2614671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2615671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 26164121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2617671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2618671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2619671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2620671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2621211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2622671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2623671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2624671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2625671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2626671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 26273b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2628671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2629671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2630671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2631671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2632486590963e2207d68eebd6944fec70d50d41116aChet Haase 2633486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2634eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2635eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2636624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2637624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2638624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2639624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2640624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2641624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2642b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2643624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2644624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2645624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2646624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2647624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2648624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2649624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2650624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2651624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2652c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2653996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2654768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2655486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2656e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2657e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2658a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2659e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2660e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2661e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2662e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2663e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2664e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2665e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2666e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2667e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2668e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2669e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2670cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2671cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 267233f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2673486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2674cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2675cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 26763a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 26773a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2678624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2679624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2680624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2681c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2682211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2683624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2684624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 26856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 26866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 268786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 268886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 268986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 26909d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2691c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2692c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2693c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2694c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2695c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2696c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 26971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 26981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 269919d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 270019d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2701624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2702624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2703624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2704624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2705624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2706624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2707624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2708624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2709624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2710624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2711624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2712624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 27133b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2714c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 27156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2716a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 27175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 271816c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2719a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 272086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 27214121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 272286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 272386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 272486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 272586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 272686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 272786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 272886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2729624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 273016c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 273116c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 273286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 273386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 273486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 2735624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy setupDrawShaderUniforms(pureTranslate); 27364121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 273706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2738624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2739624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 27405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 27415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2742996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2743a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 27448b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 27458b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 27468b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2747a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2748996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 27498b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2750a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2751996e57c84368058be793897ebc355b917a59abc2Raph Levien } 27524ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 27534ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 2754624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 2755624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy transform.mapRect(bounds); 2756a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 27574ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 27585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2759694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 27603a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2761486590963e2207d68eebd6944fec70d50d41116aChet Haase 2762486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2763694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2764694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2765486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2766325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 2767768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2768486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 276903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 277003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2771b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2772c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 277303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 277403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 277503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 277603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 277703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 277803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 277903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 27804121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 278103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 278203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 278303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 278403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 278503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 278603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 278703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 27889777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 278903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 279003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 279103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 27929777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 27934121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 27949777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 27969777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 279703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 27989777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 27999777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 28009777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 28019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 28029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 28033b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 28049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 28059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 28069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2807486590963e2207d68eebd6944fec70d50d41116aChet Haase 2808486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2809325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2810325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2811486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2812486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2813dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2814a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28157fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2816fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2817486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 281822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 28197fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 28208b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 28218b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 28228b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 282301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2824486590963e2207d68eebd6944fec70d50d41116aChet Haase 2825486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 28267fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 28277fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2828486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 282935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2830486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 28316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 28326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2833b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2834b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2835b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2836b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2837b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 28383b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 2839b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2840b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2841b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 284235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 284335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 284435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 284535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 28464ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 284735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2848b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2849b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2850b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 285135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 285235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 285335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 28545bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 28552bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 285687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2857a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28586c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2859211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2860c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 2861c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 2862e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2863c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 286440667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2865c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2866d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2867c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2868c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 28698168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2870c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 28719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2872c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2873c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2874c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 28759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 28763b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 28773b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 28783b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 28799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2880d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 28814ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 28824ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 28839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2884d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 28859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 28869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 28879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2888c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2889c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2890c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2891c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2892c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2893c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 28943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 28953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 28963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 28973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2898c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 28994ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2900c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 2901e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 29025bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 29035bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 29044ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 29054ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 29064ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2907f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2908486590963e2207d68eebd6944fec70d50d41116aChet Haase 2909b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2910b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2911b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2912b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 2913486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 29156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 29166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2917d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2918d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2919d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2920d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 2921c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 292206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 292306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 292406f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 2925c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 2926c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2927c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 292806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 29297fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 29307fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2931d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2932db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2933db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2934db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2935db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2936c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 2937db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2938db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2939db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2940c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 2941db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2942db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2943db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 29441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 29451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 2948c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 29491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 2952c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 2953c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 2954c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 2955c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 2956c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 29571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29591e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29605ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 29615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 2964c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 29655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 2968c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 2969c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 2970c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 29715ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2973758724fd09a1599f2c55130f81953cfa6c17c300Romain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint, bool alwaysCopy) { 2974758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 2975758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_UNLIKELY(alwaysCopy)) { 2976758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy mFilteredPaint = *paint; 2977758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return &mFilteredPaint; 2978758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 2979758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 2980758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 29815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 29835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29845ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 2985c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 2986c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 29875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 29895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 29936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 29946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 299501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 299601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 299701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 299801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 299901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 300001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 300101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 300201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 300301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 300401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 300501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 300601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 300701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 300801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 300901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 301001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 301101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 301201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 301301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 301401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 301501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 301601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 301701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 301801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 301901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 302001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 302101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 302201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 302301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3024f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 30250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 30260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 30270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 30280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 30300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 30310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 30320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 30330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3034726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 30350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 30360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 30370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 3038726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 30390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3041211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3042726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3043f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 30440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30458b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 30460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3047e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3048f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3049f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3050f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3051f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3052f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3053e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3054e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 30550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 30570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3058e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3059e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3060e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3061e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 30650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3066e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3067e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3068e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3069e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3071e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3072726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3073e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3074726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 30750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 30780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3079672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3080672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3081672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3082672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3083672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3084735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3085735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3086c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3087735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3088735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3089735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3090735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3091735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3092735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3093735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3094735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 30953bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 30963b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 30973b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 30983b753829ae858d424fe109f714745379a6daf455Romain Guy } 3099735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3100672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3101672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3102672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3103672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3104672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3105672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 3106672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 3107672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3108672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31092af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3110672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3111672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3112672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3113672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3114672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31153b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 31163b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 31173b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 31183b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 31193b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 31203b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3121672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31223b753829ae858d424fe109f714745379a6daf455Romain Guy vertexCount += 6; 3123672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31243b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 31253b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 31263b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 31273b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3128672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3129672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31303b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3131a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3132a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3133672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3134672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3135672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3136672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3137672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3138672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3139672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3140672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3141672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3142735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3143672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3144672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3145672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3146672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 3147672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 31493b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3150672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3151672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3152672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 3153672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3154672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3155672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3156672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3157026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 31581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3159d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3160c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3161d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3162d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3163d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 316470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 316515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 31669c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 316770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 316870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 316970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 317070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 317170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 317270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 317370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 317470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 317570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3176c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3177c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3178c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3179c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 318082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 31818164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 318282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 318382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 318482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 318582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3186d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 31878164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 31883b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 31893b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 31903b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 31916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3192d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 31936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 31946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 31956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 31966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3197d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 31986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 31996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 32006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 32016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 320285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 320385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3204bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3205a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3206a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 320703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3208f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3209f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3210f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3211a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 32126820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 32135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 32148694230ff25fa0a60e480d424843e56b718f0516Romain Guy 321570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 321670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 321770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 321870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 321970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 322070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3221886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 32225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 322370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 322403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 322570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3226db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3227886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 322886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 322970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 323070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3231db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 32326820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 323370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 323470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 323582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 323682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3237886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3238886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3239886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3240886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty) { 3241886b275e529e44a59c54b933453d9bc902973178Romain Guy 3242886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3243886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3244886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3245886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3246886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3247886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3248886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3249886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3250886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3251886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3252886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 3253886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3254886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3255886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3256886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3257886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3258886b275e529e44a59c54b933453d9bc902973178Romain Guy 3259886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3260886b275e529e44a59c54b933453d9bc902973178Romain Guy 3261886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3262886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3263886b275e529e44a59c54b933453d9bc902973178Romain Guy 3264a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3265f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 326682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3267c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 326882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 326982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 327082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 327182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 327282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 327382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 327433fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 32753bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3276a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3277f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3278a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 327982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 328082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 328182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 328282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 328382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 328482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 328582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 328682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3287a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 328882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 328982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 329082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 329182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 329282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 329382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 329482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 329582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 329682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 329782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 329882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 329982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 330082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 330182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3302fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 330382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 330482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3305fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3306bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3307bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3308889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3309d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3310fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3311d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3312fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 33136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3314260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 33156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3316260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3317260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3318026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3319ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 332082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 332182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 332282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 332382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 33248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 33258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 33265c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3327be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3328db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3329026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3330026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 33319d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3332e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3333