OpenGLRenderer.cpp revision a08f95cfeca7217f9c533b03663bf0dceedd259a
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, 638ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 639eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 640eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 641d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 642af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 643d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 644dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 645d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 646d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 647bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 648bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6666b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6676b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6686b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 67487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 69487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 69587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 69687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 69787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 69887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 700d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 701d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 702eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 703fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 704dda570201ac851dd85af3861f7e575721d3345daRomain Guy 705eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 706eb99356a0548684a501766e6a524529ab93304c8Romain Guy 707f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 708d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7098aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 7113b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 712d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 713d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 714d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 715d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 716d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 717d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 718d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 719d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 720d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 722ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 723d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 724d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 725d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 7263b753829ae858d424fe109f714745379a6daf455Romain Guy inverse.loadInverse(currentTransform()); 727d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 728d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 730d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 731d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 732d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 733d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 734d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 735ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 736d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 737d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 738eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 739bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 740746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 741d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 742d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 743d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 744dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 745d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 746dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 747dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 748dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 749d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 750b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 751b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 752dda570201ac851dd85af3861f7e575721d3345daRomain Guy 753a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7548550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 755f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 756f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 757bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 758bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 763c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 764a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7657c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 766dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7678fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 768d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 769d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 771eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 772d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 773eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 774eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 776514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 779d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 782514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 783514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 784d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 785514fb18827186591d66973c2362c859b64b63556Romain Guy } 7867b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 78754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 78854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 789ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 790eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 791f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 792d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 793bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 794bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 795d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 796c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 799d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 800c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 801c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 802d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 803d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 804d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 805d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 806d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 807d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 8189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 824f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 827586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8288f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8451d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8463762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8471d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8481d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8491d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 8518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 853eb99356a0548684a501766e6a524529ab93304c8Romain Guy 854eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8552b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8562b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 857e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 858e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 862eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 863eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8647c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8652b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8662b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 867eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 868eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 870f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 874f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 875f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 87603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8778b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 878a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 882eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 886171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 889171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 890171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 894eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8951d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 896746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 897746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 898eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8998550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 9001d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 901603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 9021d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9031d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 9041d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 905aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 907aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 908aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9108f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9118f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9128f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9138f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9148f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 915aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 916aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 918aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 919aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 920aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9238f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9258f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9263b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 927ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 928ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9293b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 9303b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 9319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 932d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 935d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 939aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 940aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 941aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 942aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 943aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 944aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 945aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 948aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 949aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 950aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 9543b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 955ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 956b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 957b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 958b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9613b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 9623b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 965d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 967d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 976aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 977aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 978aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 979aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 980aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 981aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9869fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9879fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 98840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9899fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9948a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9958a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 996211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9986c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 9996c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 10006c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 10016c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 10026c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 10036c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 10046c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 10056c5b9be7450903762f676522c32d65f7545730dfChris Craik } 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 10089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 10099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1010f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 10115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 10138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 10158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 10168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 10175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 10185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10207230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10217230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1022ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10257230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10267230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1027ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10293b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 10303b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 10313b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 10329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1033d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1036d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 103915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1045f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1047f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10687230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 11003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 11013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 11023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 11033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 11048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 11058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 11068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy int count = 0; 11078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 11088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 11108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 11118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 11128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 11138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 11148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 11158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 11162af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik count += 4; 11178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 11188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 11198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11203bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy drawColorRects(rects.array(), count, color, mode, true, dirty, false); 11218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 11228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 11275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11371bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11381bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11391bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11401bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11411bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11421bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11431bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11441bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11451bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 115054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 115154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 115254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 115354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 115654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 115754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 115854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 116054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11628a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 116354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 116554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 116654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 116854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 116954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 117154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 117254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 117354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 117454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 117554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 117654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 117854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1179e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1180e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1181e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1182e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 118354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 118554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 118654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 118754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 118854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 118954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 119039d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 119154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 119254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 119554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 119654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 119754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 119854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1199e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 120054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 120154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 120254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1203bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1204c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1205c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1206c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1207ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1208c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1209c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1210c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1211ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1212ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1213ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1214ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik currentMatrix.mapRect(state.mBounds); 1215ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.intersect(currentClip)) { 1216ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1217ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1218ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1219ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1220ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mBounds.set(currentClip); 1221c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1222ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mDrawModifiers = mDrawModifiers; 1223ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mAlpha = mSnapshot->alpha; 1224ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1225ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1226ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Clip) { 1227ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.set(currentClip); 12285d11676414b3606792e23c269cf75b44faa1a2afChris Craik } else { 1229ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.setEmpty(); 1230c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1231c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1232ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // transform always deferred 1233c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 1234c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1235c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1236c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1237ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, int stateDeferFlags) { 12383b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 1239c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1240ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1241ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mDrawModifiers = state.mDrawModifiers; 1242ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mSnapshot->alpha = state.mAlpha; 1243ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1244ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1245ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mClip.isEmpty()) { //stateDeferFlags & kStateDeferFlag_Clip) { 1246ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, state.mClip.right, state.mClip.bottom); 1247ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1248ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1249c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1250c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1251c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1252f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1253f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1254f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1255f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 12563b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().translate(dx, dy, 0.0f); 1257f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1258f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1259f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 12603b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1261f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1263f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 12643b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1265f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1266f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1267807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 12683b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1269807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1270807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1271f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1272e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 12733b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1274e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 12753b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1276e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1277f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1278f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1279b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 12803b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1281b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1282b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1283f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 12843b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1285f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1286f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1287f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1288e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 12893b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1290e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 12913b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1292f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1293f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1294f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1295f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1296f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1297f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1298bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1299e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1300e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 13018f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 13028a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 13038a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 13048a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 13058a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13069d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 13079d5316e3f56d138504565ff311145ac01621dff4Romain Guy 13088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 13098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 13108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 13118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 13128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 13138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 13148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 13188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 13198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1320c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1321c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1322c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1323c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1324c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 13258d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 13263bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 13278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1328c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1329f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 13308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 13348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 13358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 13368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 13378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 13388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 13398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 13418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 13438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 13458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 13468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 13478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 13488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 13498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 13508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 13528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 13538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 13558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 13568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 13578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 13598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 13608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 13618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 13633ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 13643ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 13653ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 13663ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 13673ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 13683ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 13698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 13708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 13718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13759d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1376079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1377bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1378bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 13798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 13808a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 13818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 13828a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13838a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13848a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 13853b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 13868a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 13878a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13888a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 13898a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 13908a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13918a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 13928a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 13938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 139435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 139535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 139635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 139735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 139835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 139935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 140035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 14013b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(transformed); 140235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 140335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 140435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 140535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 140635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 140735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 140835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 140935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1410672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1411672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1412cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1413cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1414cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1415cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1416cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1417cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1418cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1419cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1420c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1421bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1422dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1423dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1424dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 14263b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 1427d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1428d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1429d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1430d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1431d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1432586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1433586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 143487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1435586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1436586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1437586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1438c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1439c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 14408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1441735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 14428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 14438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 14448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 14468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1447735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 14488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 14493b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 14508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 14518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1453735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 14548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 14557ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 14568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 14588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 14598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1461e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1462e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1463735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 14653b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 14748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 14758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 14768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 14798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 14808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 14828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1486735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1487735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1488735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1494735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1495735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1496a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1497a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1498a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1499a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1500f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 150170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 150270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 150370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 150454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 15058a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 15068a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 150754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 15088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 15098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1510b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1511b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1512b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1513b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 15148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 151570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 15163ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 151770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 15183ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 151970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 152070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 152170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 152270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 152370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 15243ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15253ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 15263ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 15273ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 15283ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 15293ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 153070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 153270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 153370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 153470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 153570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1537ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1538ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1539ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1540ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1541ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1542ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1543aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1544aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1545aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1546aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 154715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1548ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 154915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 155015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1551710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 155299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 15535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1555ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1556ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1557ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1558ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1559ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 15608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 15618d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1562886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1563886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1564886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 156570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 156670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 156770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 156870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 156986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 157086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain 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; 157486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 157586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 157686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 157786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 15784121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 15794121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 15804121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 15814121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 158270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 158370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 158470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 158570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 158670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 158870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 158970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1592c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1593c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1598c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1599c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 160070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 160170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 160270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1603f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1604f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1605f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1606f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 160754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1608f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1609f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1610f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1612f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1613f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1614f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1615c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1616c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1617c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 161870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 161970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 162070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, 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 blend |= (mColorSet && mColorA < 1.0f) || 1625c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1626c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1627c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 163170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 163270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 16423b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 16433b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1645c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 164770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 164870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 16513b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 16528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 16538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 165470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 165570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 165870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 165970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 166070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 166286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 166386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 16643b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 166586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 16663b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 166786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 166886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1669c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 167086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 167186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 167270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1674ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1675ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1676ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1677ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1678ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1680c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 168170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 168270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 168370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 168586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 16865536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 168786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 16885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 16895536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 16905536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 169170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1692c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 169370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 16943b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 169570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1696c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1697c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 169870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 169970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1702c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1703c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1704c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 17058d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 17068d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 17078d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 170870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1709c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1710c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 171170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 171270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 171370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17144121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 17154121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 17164121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 17174121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 171870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1719f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1720cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 172115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 172270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 172570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 17262d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 172715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1730aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1731aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 17322d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 173315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1734aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1735aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 17368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 17378f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 17388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 17398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 17408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1741aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1742aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1743aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1744aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 174570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1746f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 174770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1748f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 174970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1750f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 175170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1752d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1753cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 175415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1755cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 175615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 175715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 175815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 175915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 176015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1761ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1762ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1763ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1764ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1765ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1766ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1767ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1768ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1769ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1770ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1771ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1772ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1773ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1774ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1775ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1776ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1777ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 177815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 177915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1780cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 178115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1782cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 17838d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 178470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1787f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1788cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 178915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 17905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 179270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 179370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 179470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 179570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1796f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1797f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1798f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1799ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 1800ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 18010fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 18020fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 180304c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 18040f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 1805ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1806ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 1807ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return replayStruct.mDrawGlStatus; 1808c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1809c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1810c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DeferredDisplayList deferredList; 1811ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1812ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 1813ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return deferredList.flush(*this, dirty); 18140fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 18157b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 18166554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 18170fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 18180fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1819c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 1820ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 18217031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 1822ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1823ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1824ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1825a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1826a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1827a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1828a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1829a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1830886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1831886b275e529e44a59c54b933453d9bc902973178Romain Guy 1832a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1833a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1834a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1835886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1836886b275e529e44a59c54b933453d9bc902973178Romain Guy 1837a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 18383b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 18393b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 18403b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 1841a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1842a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1843886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1844886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1845886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 18465b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1847e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1848886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 1849886b275e529e44a59c54b933453d9bc902973178Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, 1850886b275e529e44a59c54b933453d9bc902973178Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1851a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1852a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1853486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 18546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 18556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 18566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 18576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1858486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1861a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18628164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1863486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 186422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 186522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1866211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1867a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1868a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1869a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1870a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1871486590963e2207d68eebd6944fec70d50d41116aChet Haase 1872486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 18738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 18748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1875486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1876f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1877f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1878f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1879f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 18806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1881486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1884a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18858164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1886486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 188722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 188822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 18895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 18905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 18915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 18925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 1893886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1894886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 1895886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1896886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 1897886b275e529e44a59c54b933453d9bc902973178Romain Guy } 18985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1899486590963e2207d68eebd6944fec70d50d41116aChet Haase 1900486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1901f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1902f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1903486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1904e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1905e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1906e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1907e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1908486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1909e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1910e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1911e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1912e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1913e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1914e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1915886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1916886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 1917886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1918886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1919886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1920486590963e2207d68eebd6944fec70d50d41116aChet Haase 1921486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1922e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1923e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1924486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 19255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 19265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1927486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 19285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1930b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1931b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1932b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1933b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1934b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1935a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1936b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1937ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 1938ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 1939ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1940ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 1941ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 1942ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 1943ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 1944ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 1945ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 1946ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1947a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 19485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 19495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 19505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 19515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 19525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 19535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 19545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 19555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 19565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 19575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 19585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 19595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 19605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 19615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 19625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 19635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 19645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 19655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1966ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 1967ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 1968ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 19695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1970ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 1971ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 1972ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 1973b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1974a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1975a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1976a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1977a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 19785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 19805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1981a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1982ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 1983a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1984a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1985a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1986a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1987a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1988ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 1989ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 1990ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy return DrawGlInfo::kStatusDone; 1991ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1992a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1993a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1994a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1995a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 1996a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1997a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 1998a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 1999a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2000a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2001ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2002ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2003a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 20043b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2005b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2006b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2007ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2008ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2009ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2010ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2011ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2012ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2013ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2014ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2015ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2016ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2017ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2018ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2019ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2020ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2021ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2022ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy finishDrawTexture(); 2023ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2024ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2025ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2026ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2027ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2028ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2029ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2030486590963e2207d68eebd6944fec70d50d41116aChet Haase 2031486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 20335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2034486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 20358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 20368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 20375c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 20386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2039486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2042a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20438164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2044486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 20468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 20478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 20488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2049c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 20506816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 20516816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 20526816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 20536816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 2054c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 205503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 20568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 20578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 205803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 205903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 206003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 206103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2062d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2063d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2064886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2065886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 20666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2067886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2068886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2070886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2071c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2072886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2073b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 20743b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 20753b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 20763b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2077886b275e529e44a59c54b933453d9bc902973178Romain Guy 2078886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2079886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2080886b275e529e44a59c54b933453d9bc902973178Romain Guy 2081886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2082886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2083886b275e529e44a59c54b933453d9bc902973178Romain Guy 2084886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2085886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 20866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2087d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2088886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2089886b275e529e44a59c54b933453d9bc902973178Romain Guy 2090886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2091886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2092886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2093886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2094886b275e529e44a59c54b933453d9bc902973178Romain Guy 2095886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2096886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2097886b275e529e44a59c54b933453d9bc902973178Romain Guy 2098886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2099886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2100886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2101886b275e529e44a59c54b933453d9bc902973178Romain Guy 2102886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2103886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2104886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2105886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2106886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2107886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2108886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2109886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2110886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2111886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2112886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2113886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2114886b275e529e44a59c54b933453d9bc902973178Romain Guy 2115886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2116886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 21176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 21198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2120486590963e2207d68eebd6944fec70d50d41116aChet Haase 2121486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2122ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2123ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2124486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 21254bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 21265c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 2127be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 2128be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 2129be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 2130be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2131be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 2132be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 2133be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2134be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2135be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 2136be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 2137be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 21386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2139486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2142be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 2143be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 21442728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 21454bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 2146f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2147211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2148a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2149a4adcf0239039eb8f005be252409901c41b28839Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2150a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2151a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 2152a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2153a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2154a4adcf0239039eb8f005be252409901c41b28839Romain Guy 21553b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 21565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 21578168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 21583b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 21593b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 21605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 21615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 21628ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2163211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2164c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2165c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2166c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 21676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2168c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 21693b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 21706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2174211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 21753b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 21763b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 21776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 21786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 21796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 21806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 21816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 21826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 21836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 21846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 21856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 21866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 21876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2188054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2189486590963e2207d68eebd6944fec70d50d41116aChet Haase 2190486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2191f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2192f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 219365cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 219465cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 2195bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 2196bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 219765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2198bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2199bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 220065cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 220165cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 220265cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 220365cd612face362d054a85d0f7e5881c59cd523beChris Craik 2204710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2205710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2206710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2207710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2208710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2209710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2210710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2211710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 221265cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2213710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2214710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2215710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2216858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2217710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2218710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2219cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2220710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2221710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 22226ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2223710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2224710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2225710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2226710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 22276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2228710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 22296ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 22306ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2231710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 22326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2233710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 22347b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2235710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 22366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 223704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 223865cd612face362d054a85d0f7e5881c59cd523beChris Craik 223965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2240858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2241858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2242858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 224365cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 224465cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 224565cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 224665cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 224765cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 224865cd612face362d054a85d0f7e5881c59cd523beChris Craik * 224965cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 225099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 225165cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 225265cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 225365cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 225465cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 22557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 225665cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds = path.getBounds(); 225765cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::expandBoundsForStroke(bounds, paint, false); 22583b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 22597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 226165cd612face362d054a85d0f7e5881c59cd523beChris Craik} 22627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226365cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 226465cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 226565cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 226665cd612face362d054a85d0f7e5881c59cd523beChris Craik * 226765cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 226865cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 226965cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 227065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 227165cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 227265cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 227365cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 227465cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 227565cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 22767b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 227765cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 22787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 227965cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 228065cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 228165cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2282d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2283d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2284d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2285d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2286d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 22873b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2288486590963e2207d68eebd6944fec70d50d41116aChet Haase 228965cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 229065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 22915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2293486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2294486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2295ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2296ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2297ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2298ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 22995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2300ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 23018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2302ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 23038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 23048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 23058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 23068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 23078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2308d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2309ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2310ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2311ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2312ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2313ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2314ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2315ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2316ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2317ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2318ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 231904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 232004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 232104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 232204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2323ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 232415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 23258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2326ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2327ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2328ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2329ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2330ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 23318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2332ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2333ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2334ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2335ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2336ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2337ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2338ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2339ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2340ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 23417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 23438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 23448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 23458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 23467b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23473b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2348ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2349ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2350ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2351486590963e2207d68eebd6944fec70d50d41116aChet Haase 2352486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2353ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2354ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2355486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2356e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2357486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2358e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2359ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2360ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 236170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23623d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2363486590963e2207d68eebd6944fec70d50d41116aChet Haase 2364486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2365c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23669d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2367486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2368486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2369486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 237001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 237101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 237301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 237401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2376486590963e2207d68eebd6944fec70d50d41116aChet Haase 2377486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 237801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 237901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2380486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2381710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2382cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2383710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2384710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 238501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2386cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2387710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2388710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2389710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2390710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2391710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2392710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2393710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2394710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2395cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2396cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2397cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2398cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2399cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2400cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2401710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 240265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2403c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 240401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2406cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2407cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2410cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2411710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2413710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2414710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2415710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2416710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2417cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2418cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2419cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2420cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2421cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 242265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2423c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 242401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2425486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2426710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2427cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2428710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2429710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 243001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2431cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2432710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2433710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2434710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2435710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2436710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2437710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2438710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2439cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2440cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2441cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2442710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 244365cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2444c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2445c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2446486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2447780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2448780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2449780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2450780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 24518b2f5267f16c295f12faab810527cd6311997e34Romain Guy 24528b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2453780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 24548b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 24558b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2456780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2458780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2459780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 2460780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2461780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2462780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2463780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2464780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2465780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2466780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2467780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2468780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2469780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2470780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2471780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2472780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2473780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2474780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2475780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2476780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 247765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 24788b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 24798b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2480cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2481cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2482cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2483486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2484cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2485486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2488710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2489cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2490cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2491cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2492cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2493cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2494cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2495cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2496cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2497cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2498cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2499cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2500cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2501cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2502cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2503cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 250465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2505026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2506026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 25073b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2508710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2509710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 251065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2511858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2512710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 251365cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2514858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2515c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25169d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2517416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2518416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2519416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2520416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2521416a847633680d94efb926837efdc18726d54918Raph Levien 2522416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2523416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2524416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2525416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2526c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2527416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2528416a847633680d94efb926837efdc18726d54918Raph Levien 2529c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2530c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2531416a847633680d94efb926837efdc18726d54918Raph Levien 2532c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2533c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2534c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2535416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2536416a847633680d94efb926837efdc18726d54918Raph Levien } 2537416a847633680d94efb926837efdc18726d54918Raph Levien 2538416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2539416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2540416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2541416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2542416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2543416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2544416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2545416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2546416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2547416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2548416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2549416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2550416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2551416a847633680d94efb926837efdc18726d54918Raph Levien 2552416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2553416a847633680d94efb926837efdc18726d54918Raph Levien} 2554416a847633680d94efb926837efdc18726d54918Raph Levien 2555768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2556768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2557768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2558768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2559768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2560486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2561eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2562768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2563486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2564eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2565eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2566671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 25673b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2568486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2569671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2570671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2571671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2572671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 25733b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2574671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 25753b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 25763b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2577671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2578671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2579b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2580c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2581671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2582671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2583671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2584671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2585671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2586c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2587e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2588e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2589416a847633680d94efb926837efdc18726d54918Raph Levien } 2590416a847633680d94efb926837efdc18726d54918Raph Levien 2591671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 25923b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2593671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2594671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2595671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2596671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2597671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2598671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 25994121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2600671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2601671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2602671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2603671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2604671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2605671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2606671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2607671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2608671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2609671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2610671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2611671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 26124121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2613671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2614671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2615671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2616671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2617211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2618671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2619671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2620671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2621671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2622671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 26233b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2624671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2625671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2626671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2627671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2628486590963e2207d68eebd6944fec70d50d41116aChet Haase 2629486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2630eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2631eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2632624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2633624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2634624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2635624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2636624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2637624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2638b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2639624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2640624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2641624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2642624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2643624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2644624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2645624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2646624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2647624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2648c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2649996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2650768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2651486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2652e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2653e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2654a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2655e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2656e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2657e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2658e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2659e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2660e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2661e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2662e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2663e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2664e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2665e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2666cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2667cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 266833f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2669486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2670cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2671cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 26723a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 26733a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2674624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2675624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2676624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2677c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2678211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2679624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2680624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 26816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 26826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 268386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 268486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 268586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 26869d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2687c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2688c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2689c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2690c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2691c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2692c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 26931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 26941e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 269519d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 269619d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2697624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2698624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2699624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2700624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2701624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2702624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2703624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2704624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2705624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2706624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2707624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2708624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 27093b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2710c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 27116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2712a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 27135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 271416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2715a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 271686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 27174121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 271886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 271986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 272086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 272186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 272286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 272386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 272486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2725624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 272616c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 272716c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 272886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 272986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 273086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 2731624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy setupDrawShaderUniforms(pureTranslate); 27324121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 273306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2734624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2735624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 27365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 27375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2738996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2739a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 27408b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 27418b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 27428b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2743a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2744996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 27458b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2746a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2747996e57c84368058be793897ebc355b917a59abc2Raph Levien } 27484ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 27494ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 2750624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 2751624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy transform.mapRect(bounds); 2752a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 27534ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 27545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2755694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 27563a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2757486590963e2207d68eebd6944fec70d50d41116aChet Haase 2758486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2759694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2760694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2761486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2762325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 2763768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2764486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 276503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 276603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2767b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2768c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 276903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 277003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 277103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 277203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 277303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 277403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 277503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 27764121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 277703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 277803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 277903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 278003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 278103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 278203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 278303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 27849777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 278503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 278603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 278703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 27889777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 27894121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 27909777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27919777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 27929777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 279303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 27949777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 27959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27969777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 27979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 27989777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 27993b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 28009777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 28019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 28029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2803486590963e2207d68eebd6944fec70d50d41116aChet Haase 2804486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2805325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2806325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2807486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2808486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2809dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2810a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28117fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2812fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2813486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 281422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 28157fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 28168b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 28178b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 28188b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 281901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2820486590963e2207d68eebd6944fec70d50d41116aChet Haase 2821486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 28227fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 28237fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2824a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 282535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2826486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 28276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 28286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2829b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2830b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2831b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2832b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2833b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 28343b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 2835b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2836b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2837b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 283835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 283935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 284035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 284135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 28424ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 284335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2844b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2845b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2846b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 284735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 284835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 284935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 28505bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 28512bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 285287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2853a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2855211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2856c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 2857c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 2858e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2859c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 286040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2861c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2862a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik const float a = layer->getAlpha() / 255.0f * mSnapshot->alpha; 2863c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2864c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 28658168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2866c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 28679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2868c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2869c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2870c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 28719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 28723b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 28733b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 28743b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 28759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2876d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 28774ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 28784ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 28799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2880d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 28819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 28829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 28839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2884c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2885c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2886c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2887c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2888c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2889c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 28903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 28913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 28923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 28933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2894c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 28954ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2896c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 2897e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 28985bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 28995bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 29004ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 29014ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 29024ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2903f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2904486590963e2207d68eebd6944fec70d50d41116aChet Haase 2905b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2906b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2907b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2908b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 2909486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29106c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 29116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 29126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2913d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2914d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2915d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2916d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 2917c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 291806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 291906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 292006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 2921c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 2922c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2923c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 292406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 29257fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 29267fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2927d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2928db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2929db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2930db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2931db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2932c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 2933db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2934db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2935db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2936c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 2937db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2938db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2939db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 29401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 29411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 2944c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 29451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 2948c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 2949c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 2950c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 2951c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 2952c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 29531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29565ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 29575ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29585ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 2960c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 29615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 2964c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 2965c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 2966c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 29675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29685ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2969a08f95cfeca7217f9c533b03663bf0dceedd259aChris CraikSkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2970758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 2971758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 2972758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 29735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 29755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 2977c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 2978c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 29795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 29815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 29856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 29866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 298701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 298801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 298901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 299001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 299101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 299201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 299301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 299401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 299501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 299601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 299701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 299801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 299901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 300001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 300101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 300201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 300301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 300401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 300501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 300601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 300701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 300801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 300901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 301001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 301101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 301201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 301301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 301401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 301501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3016f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 30170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 30180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 30190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 30200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 30220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 30230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 30240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 30250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3026726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 30270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 30280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 30290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 3030726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 30310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3033211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3034726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3035f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 30360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30378b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 30380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3039e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3040f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3041f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3042f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3043f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3044f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3045e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3046e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 30470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 30490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3050e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3051e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3052e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3053e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 30570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3058e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3059e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3060e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3061e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3063e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3064726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3065e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3066726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 30670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 30700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3071672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3072672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3073672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3074672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3075672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3076735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3077735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3078c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3079735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3080735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3081735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3082735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3083735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3084735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3085735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3086735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 30873bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 30883b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 30893b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 30903b753829ae858d424fe109f714745379a6daf455Romain Guy } 3091735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3092672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3093672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3094672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3095672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3096672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3097672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 3098672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 3099672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3100672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31012af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3102672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3103672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3104672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3105672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3106672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31073b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 31083b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 31093b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 31103b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 31113b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 31123b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3113672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31143b753829ae858d424fe109f714745379a6daf455Romain Guy vertexCount += 6; 3115672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31163b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 31173b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 31183b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 31193b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3120672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3121672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31223b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3123a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3124a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3125672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3126672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3127672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3128672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3129672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3130672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3131672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3132672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3133672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3134735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3135672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3136672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3137672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3138672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 3139672433d90fab7383cd28beac9d4485b566a90940Romain Guy 31408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 31413b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3142672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3143672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3144672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 3145672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3146672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3147672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3148672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3149026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 31501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3151d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3152c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3153d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3154d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3155d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 315670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 315715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 31589c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 315970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 316070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 316170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 316270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 316370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 316470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 316570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 316670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 316770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3168c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3169c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3170c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3171c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 317282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 31738164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 317482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 317582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 317682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 317782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3178d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 31798164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 31803b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 31813b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 31823b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 31836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3184d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 31856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 31866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 31876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 31886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3189d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 31906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 31916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 31926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 31936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 319485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 319585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3196bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3197a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3198a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 319903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3200f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3201f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3202f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3203a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 32046820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 32055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 32068694230ff25fa0a60e480d424843e56b718f0516Romain Guy 320770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 320870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 320970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 321070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 321170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 321270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3213886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 32145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 321570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 321603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 321770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3218db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3219886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 322086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 322170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 322270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3223db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 32246820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 322570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 322670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 322782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 322882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3229886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3230886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3231886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3232886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty) { 3233886b275e529e44a59c54b933453d9bc902973178Romain Guy 3234886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3235886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3236886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3237886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3238886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3239886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3240886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3241886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3242886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3243886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3244886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 3245886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3246886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3247886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3248886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3249886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3250886b275e529e44a59c54b933453d9bc902973178Romain Guy 3251886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3252886b275e529e44a59c54b933453d9bc902973178Romain Guy 3253886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3254886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3255886b275e529e44a59c54b933453d9bc902973178Romain Guy 3256a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3257f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 325882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3259c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 326082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 326182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 326282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 326382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 326482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 326582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 326633fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 32673bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3268a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3269f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3270a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 327182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 327282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 327382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 327482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 327582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 327682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 327782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 327882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3279a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 328082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 328182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 328282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 328382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 328482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 328582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 328682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 328782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 328882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 328982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 329082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 329182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 329282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 329382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3294fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 329582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 329682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3297fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3298bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3299bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3300889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3301d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3302fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3303d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3304fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 33056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3306260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 33076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3308260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3309260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3310026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3311ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 331282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 331382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 331482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 331582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 33168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 33178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 33185c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3319be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3320db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3321026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3322026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 33239d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3324e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3325