OpenGLRenderer.cpp revision 5bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2e
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik#include "PathRenderer.h" 3787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 38a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 419d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 50f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 51dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 52713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 53d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 85026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 86e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 90f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 112fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 114db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 117026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 120ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 12187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 12287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 123e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 128e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 129e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 13187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 13887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 14013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 14113631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 143f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14649c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 15035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 15135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 15335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 15635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 15735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 159260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 160bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 161bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 162bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 163eb99356a0548684a501766e6a524529ab93304c8Romain Guy 164eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 165eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 166e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 167e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1687c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::prepare(bool opaque) { 16944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1707d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1717d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1727c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, 1737c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy bool opaque) { 174fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 175fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17884962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1798fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 180f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1817d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 18241308e2936c768103d0e9c82500e97938d6797f1Romain Guy mDirtyClip = true; 183ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 18511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 18645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // If we know that we are going to redraw the entire framebuffer, 18745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // perform a discard to let the driver know we don't need to preserve 18845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // the back buffer for this frame. 18945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 19045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 19145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? GL_COLOR_EXT : GL_COLOR_ATTACHMENT0 }; 19245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 19345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy } 19445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1967d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 19754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 19854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 19954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 20154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 2022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 20357b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 2042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2057c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2067c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2077c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return clear(left, top, right, bottom, opaque); 2087c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2097c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 2107c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 2116b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 212586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 213ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2146b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 21544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 216ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 21744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2187c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 21944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 220ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 221ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 222ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 223ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 224ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 225ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 226ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 227ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 228ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2296b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 230bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 231bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 23257b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 23354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 23454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy Rect* clip = mTilingSnapshot->clipRect; 23554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (s->flags & Snapshot::kFlagIsFboLayer) { 23654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy clip = s->clipRect; 23754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 23854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 23954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mCaches.startTiling(clip->left, s->height - clip->bottom, 24054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy clip->right - clip->left, clip->bottom - clip->top, opaque); 2412b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2422b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2432b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2442b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 24554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2462b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2472b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 248b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2497c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2502b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2512b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 25211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 253b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 25411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 25511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 25611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 25711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 25811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 25911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 26011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 26111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 26211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 26311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 26411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 26511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 26611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 26711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 26811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 26911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 27011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 271a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 272b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 27311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 274c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 275e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 27611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 27711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 27811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 27911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 280c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 28111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 282b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 283b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2846c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 285da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 286da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 287da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 288da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 289da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 290da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 29150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 29215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 293f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 29415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 2957c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 296da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 297da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2986c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 29908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 30008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 30135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3027c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 30335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3043e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3053e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3068025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 307586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 30882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 309746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 310da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 311a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 31250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 31350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 31450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 31550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 31650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 317da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 318da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 31935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 32035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 32135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 32235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3237c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 32435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 32535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 32635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 32735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 32835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 329ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 330932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 331ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3328f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 333ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 334ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 335ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3368f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 337ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 338ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3393d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3408f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 341ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 342d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 343ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 344ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 345ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 346ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 347ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 348ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 349ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 350ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 351ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 352ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 353ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 354ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 355ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 356ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 357ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 358ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 359ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 360c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 361ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 362ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 363c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 364ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 365c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 366c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3678f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3688f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 369d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 3708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3718f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3728f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3738f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3748f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3758f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 376daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 377932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 378c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 380f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 381f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 382f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 383d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 38480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 38580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 38680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 387d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 388d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 389d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 390d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 391d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 392d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 39308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 39408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 39508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 39608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 39708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 39808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3997b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4007b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 40108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 40280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 403486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 404cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 40608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 407cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4088f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 40965924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 410ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4118f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 412cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 413cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 414daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4156554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 416daf98e941e140e8739458126640183b9f296a2abChet Haase} 417daf98e941e140e8739458126640183b9f296a2abChet Haase 418f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 42787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 42887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 43187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 43387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 43487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 43587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 43687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 43787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 43887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 43987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 44087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 44187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 44287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 44387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 44487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 44587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 44687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 44787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 44887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 45387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 45587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 45687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 45787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 45887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 45987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 46087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 46187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 46287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 46387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 46487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 46511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 46611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 46711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 47111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 47211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4737c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4747c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4757c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4767c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 47911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 48011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 48411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 48511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 48611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 49011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 4925bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 51011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 51111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 51511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 52011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 52411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 52611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 52911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 53111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 53311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 53411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 53611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 538f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 539f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 540f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 541bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 543bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 544bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 545bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5468aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 547bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 548bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 549bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5502542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5512542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5527ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 553bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 554bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 555bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5568fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 557bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5588fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5592542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 561bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 562bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5638aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 5648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 5658fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 566bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 567bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 568bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 5697ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 570bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 571eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 572bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 573bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 5747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 575bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 576eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5828b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 5838b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 5848b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 5852542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 586746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 5878fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 5882542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 5895ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 5905ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 5915ec9924d24495822b589f1a17996655d66273b30Romain Guy } 5925ec9924d24495822b589f1a17996655d66273b30Romain Guy 5932542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 594d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 5955cbbce535744b89df5ecea95de21ee3733298260Romain Guy 596f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 597bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 598bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 599bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 600bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6015c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 602eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 603eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 604d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 605af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 606e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 607e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 608e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 609e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 610e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 611710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mode = getXfermode(p->getXfermode()); 612a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 613e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 614d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 615d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 616d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 617dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 618d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 619d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 620bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 621bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 622bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 623bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 624f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 6258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 6268b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 6278aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 6288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 6298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 6308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 631d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 632bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6506b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6516b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6526b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6536b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 65887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 67887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 67987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 68087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 68187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 68287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 684d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 685d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 686eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 687fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 688dda570201ac851dd85af3861f7e575721d3345daRomain Guy 689eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 690eb99356a0548684a501766e6a524529ab93304c8Romain Guy 691f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 692d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 6938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 694d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 695d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 696d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 697d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 698d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 699d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 700d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 701d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 702d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 703d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 704d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 705d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 706ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 707d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 708d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 709d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 711d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 712d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 713d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 714d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 715d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 716d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 717d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 718d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 719ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 720d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 722eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 723bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 724746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 725d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 726d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 727d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 728dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 730dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 731dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 732dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 733d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 734b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 735b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 736dda570201ac851dd85af3861f7e575721d3345daRomain Guy 737a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7388550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 739f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 740f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 741bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 742bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7448aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 7479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 748a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7497c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 750dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7518fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 752d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 753d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 755eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 756d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 757eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 758eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 760514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 763d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 766514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 767514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 768d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 769514fb18827186591d66973c2362c859b64b63556Romain Guy } 7707b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 77154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 77254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 773ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 774eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 775f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 776d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 777bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 778bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 779d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 782d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 783d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 784d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 785d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 786d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 787d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 788d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 789d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 790d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 791d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 792d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7942b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 7957c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mSnapshot); 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 812586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8138f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8313762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 836eb99356a0548684a501766e6a524529ab93304c8Romain Guy 837eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8382b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8392b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 840e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 841e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 842eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 843eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8447c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8452b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8462b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 847eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 848eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8491d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 8501d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 8511d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 853f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 857f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 858f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 85903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8608b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 861a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 865eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 869171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 872171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 873171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 877eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 879eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8809c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 8819c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 8829c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 8839c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 8849c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 885eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 886eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 8875c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 888eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 889eb99356a0548684a501766e6a524529ab93304c8Romain Guy 890746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 891746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 892eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8938550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 8941d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 895603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 8961d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8971d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 8981d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 899aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 901aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 902aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9048f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9058f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9068f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9088f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 909aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 910aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 912aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 913aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 914aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9178f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9198f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 920ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 921ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 922ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 926d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 929d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 933aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 934aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 935aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 936aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 938aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 939aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 942aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 943aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 944aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 948b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 949ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 950b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 951b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 952b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 959d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 961d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 973aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 974aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 975aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9809fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9819fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 98240667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9839fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9888a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9898a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 990211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 9935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 9969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 997f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 9985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 10037230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10047230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1005ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1010ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 10149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 10159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1016d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1019d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 102215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1028f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1030f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10517230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 10833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 10853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 10863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1089f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 10915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1092f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 10935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1098f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1100f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11011bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11021bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11031bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11041bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11051bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11061bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11071bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11081bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11091bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 111454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 111554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 111654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 111754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 111854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 111954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 112054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 112154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 112254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 112454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 112554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 112754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 112954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 113054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 113154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 113254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 113354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 113454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 113554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 113654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 113754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 113854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 113954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 114054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 114254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 114354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 114554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 114654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 114754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 114854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 114954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 115039d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 115154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11538a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11548a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 115654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 115754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 115854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 116054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 116254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 116354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1164bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1165f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1166f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1167f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1168f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 11698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1170f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1171f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1172f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 11738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1174f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1175f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 11778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1180807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1181807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1182807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1183807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1184f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1185e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1186e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1187e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1188e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1189e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1190f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1191f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1192f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 11938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1194f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1195f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1196f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1197e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1198e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1199e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1200e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1201f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1202f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1203f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1204f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1205f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1206f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1208e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1209e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 12108f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 12118a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 12128a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 12138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 12148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12159d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 12169d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12179d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1218079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 12218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 12228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 12238a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 12248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 12278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 12288a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 12298a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12308a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 12318a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 12328a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12338a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 12348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 12358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 123635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 123735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 123835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 123935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 124035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 124135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 124335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 124435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 124535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 124735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 124835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 125035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 125135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1252cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craikbool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, SkPaint* paint) { 1253cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1254cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1255cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1256cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1257cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1258cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1259cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1260cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1261c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1262bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1263dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1264dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1265dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 12661d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 12678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1268d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1269d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1270d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1271d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1272d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1273586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1274586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 127587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1276586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1277586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1278586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1279c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1280c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1281079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1282079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 12837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1284746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 12857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 12868aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1287e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1288e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1289a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1290a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1291a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1292a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1293f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 129754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 12988a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 12998a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 130054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 131470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 131570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1317aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1318aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1319aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1320aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 132115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 132215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 132315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 132415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1325710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 132699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 13275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1329710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawVertexShape() { 1330710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mDescription.isVertexShape = true; 13316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 13326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1333ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1334ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1335ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1336ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1337ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 133870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 13398d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 13408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13418d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 13428d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 13438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 13446cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 13456cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 134670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1347fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1348fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1349fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 135070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 135170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 135270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 135370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 135486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 135586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 13566cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 13576cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 135886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 135986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 136086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 136186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 136286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 136386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 136486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 136586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 13664121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 13674121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 13684121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13694121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 137070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 137170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 137270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 137370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 137470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 137570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 137670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 137770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 137970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 138070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 138170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 138270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 138370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 138470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 138570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 138670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 138770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 138870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 138970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 139070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1391f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1392f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1393f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1394f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 139554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1396f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1397f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1398f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 139970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1400f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1401f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1402f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 140370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 140470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 140570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1408f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1409f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1410f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1411e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()) || 1412e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy (mColorFilter && mColorFilter->blend()), mode, mDescription, swapSrcDst); 141370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 141570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 141670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 141770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 141970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 142070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 142170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 142270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 142370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 142470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 142570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 142670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 142770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 142870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 142970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 143070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 143170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 143270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 143370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 143470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 14368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 14378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14388d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 143970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 144070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 144170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 144270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 144370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 144470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 144570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 144670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 144786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 144886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 144986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 145086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 145186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 145286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 145386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 145486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 145586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 145686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 145770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 145870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1459ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1460ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1461ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1462ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1463ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 146470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 146555fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 146670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 146770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 146870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 146970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 147086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 14715536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 147286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 14735536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 14745536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 14755536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 147670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 147770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 147870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 147970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 148070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 148170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 148270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 148370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 148470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 14868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 14878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 14888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 14898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 149170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 149270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 149370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 149470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 149570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 149670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14974121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 14984121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 14994121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 15004121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 150170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1502f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1503cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 150415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 150570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 150670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 150770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 150870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 15092d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 151015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 151170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 151270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1513aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1514aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 15152d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 151615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1517aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1518aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 15198f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 15208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 15218f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 15228f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 15238f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1524aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1525aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1526aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1527aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 152870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1529f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 153070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1531f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 153270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1533f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 153470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1535d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1536cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 153715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1538cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 153915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 154015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 154115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 154215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 154315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 154415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 154515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1546cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 154715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1548cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 15498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 155070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 155170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1553f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1554cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 155515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 15565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 15595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 156099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 156199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 156299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 156399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 156499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 156599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 156699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 156799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 15685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 156999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 15707b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1571f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1572cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gAAVertexStride); 1573f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 157415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1575d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15767b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 157799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 157899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1579d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 158199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 158299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1583d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 158599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 15867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 15877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 15887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 15897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 15907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 15915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1597f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1598f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1599f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 16001271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 160133f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1602b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 16030fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 16040fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 160504c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 16061271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 16070fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 16087b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 16096554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 16100fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 16110fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1612ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1613ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1614ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1615ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1616ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1617ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1618a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1619a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1620a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1621a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1622a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1623a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1624a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1625a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1626e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1627a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1628a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1629a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1630a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1631a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1632e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1633d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1634d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1635a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1636a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1637a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1638a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 16395b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 16405b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 16415b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1642a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1643a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1644a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1645a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1646a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1647e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1648a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1649d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1650d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1651e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1652a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1653a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1654a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1655a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1656a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1657a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1658a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1659a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1660a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1661a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1662486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 16636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 16646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 16656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 16666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1667486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1670a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16718164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1672486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 167322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 167422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1675211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1676a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1677a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1678a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1679a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1680486590963e2207d68eebd6944fec70d50d41116aChet Haase 1681486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 16838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1684486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1685f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1686f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1687f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1688f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 16896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1690486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1693a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1695486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 169622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 169722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 16985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 16995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 17005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 17015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 17025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 17035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1704486590963e2207d68eebd6944fec70d50d41116aChet Haase 1705486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1706f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1707f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1708486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1709e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1710e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1711e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1712e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1713486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1714e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1715e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1716e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1717e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1718e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1719e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1720e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1721486590963e2207d68eebd6944fec70d50d41116aChet Haase 1722486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1723e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1724e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1725486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 17265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 17275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1728486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1731a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy // TODO: We should compute the bounding box when recording the display list 1732b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1733b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1734b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1735b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1736b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1737a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1738b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1739a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1740a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 17415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 1742a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 17435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 17445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 17455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 17465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 17485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 17495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 17505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 17515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 17535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 17545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 17555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 17565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 17575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 17585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 17595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 17605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 17635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1768b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1769a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1770a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1771a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1772a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1773a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 17745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1777a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1778a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1779a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1780a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1781a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1782a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1783a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 1784a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1785a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1786a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1787a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 1788a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1789a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 1790a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 1791a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1792a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1793a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 1794b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1795b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1796b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 17975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 17985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1799b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1800486590963e2207d68eebd6944fec70d50d41116aChet Haase 1801486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 18025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 18035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1804486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 18058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 18068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 18075c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 18086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1809486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1812a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18138164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1814486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 181522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 18168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 18188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1819c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 18206816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 18216816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 18226816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 18236816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1824c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 182503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 18268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 18278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 182803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 182903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 183003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 183103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1832d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1833d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1834211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 18356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 18366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 18376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1838b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1839631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1840631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1841d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1842b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1843b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1844d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 18456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 18466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 18476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 18486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 18496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1850d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 18516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 18526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 18536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 18546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1857486590963e2207d68eebd6944fec70d50d41116aChet Haase 1858486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1859ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1860ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1861486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 18624bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 18635c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1864be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1865be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1866be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1867be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1868be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1869be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1870be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1871be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1872be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1873be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1874be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 18756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1876486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1879be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1880be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1881a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18828164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1883486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 188422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1885d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1886d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1887f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 18882728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 18894bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1890f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1891211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 18926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 18935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 18948168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1895c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1896c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 18975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 18985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 18998ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1900211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1901c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1902c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1903c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 19046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1905c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1906c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 19076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 19085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 19095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 19105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1911211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 19126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 19136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 19146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 19156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 19166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 19176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 19186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 19196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 19206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 19216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 19226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 19236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 19246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1925054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1926486590963e2207d68eebd6944fec70d50d41116aChet Haase 1927486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1928f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1929f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 193099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1931cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 1932cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 1933cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 1934cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 1935cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 1936cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * 1937cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * Doesn't yet support joins, caps, or path effects. 1938858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1939cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craikvoid OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 1940cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik int color = paint->getColor(); 1941cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik SkPaint::Style style = paint->getStyle(); 1942cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 1943cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik bool isAA = paint->isAntiAlias(); 1944cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1945710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik VertexBuffer vertexBuffer; 1946710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: try clipping large paths to viewport 1947cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik PathRenderer::convexPathVertices(path, paint, mSnapshot->transform, vertexBuffer); 194804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1949bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 1950bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 1951bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik return; 1952bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 1953bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 1954710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 1955710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 1956710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 1957710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawVertexShape(); 1958710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 1959710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 1960710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 1961710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 1962710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 1963cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik setupDrawModelViewIdentity(); 1964710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 1965710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 1966710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 1967858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1968710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 1969710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 1970cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 1971710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 1972710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 19736ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1974710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 1975710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 1976710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 1977710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 19786ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1979710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 19806ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 19816ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 1982710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 19836ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1984cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik SkRect bounds = PathRenderer::computePathBounds(path, paint); 1985710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 198604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1987710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 19887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1989710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 19906ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 199104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1992858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1993858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1994858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 199899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 200299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 200399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 200499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 200599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 200699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 200799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 200899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 200999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 201099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 201199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2012486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 2013486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 20148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 201799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 20198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 20208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 20218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 20227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 202499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 202599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 20267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 20288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 20297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 20315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 20325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 2033c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 203499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 203599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 203699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 203799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 203899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 203999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 204099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 2041211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 204299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 204399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 204499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 204599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 20469147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 20477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2048211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 2049211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 20507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 205299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 20537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 205599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 205699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 205799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 206104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 206204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 206304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 20648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 206515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 2067710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawAA(); 20688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 20708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 20718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 2072211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 20738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 2074b30cb10a0c75c2295e89b1b30d91a73f38ee09fbChris Craik setupDrawModelViewIdentity(true); 20758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 20768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 20778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 20788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 208199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 208299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 20835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 208499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 20855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 20887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 20897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 20915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 20927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 209499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 20957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2096211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 20975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 20985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 209999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 210099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 210199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 21025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 21035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 210499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 210599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 21068f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 21077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 21087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 21095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 211199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 211299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 2113740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 211499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 211599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 21167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 21185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 21195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 21205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 21217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 212299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 212399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 212499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 21255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 21265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 212799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 212875040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 212975040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 213075040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 213175040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 21328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 21348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 21358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 21368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 21378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 21388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 21398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 21415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 214399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 214499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 214599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 214699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 214799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 214899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 214999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 215099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 215199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 215299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 21537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 215499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 215599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 215675040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 215799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 21585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 216099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 216199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 216299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 216399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 216499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 21657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 216699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 216799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 216899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 216999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 21708f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 217199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 21728f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 217399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 217599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 217699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 217799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 217899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 217999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 21815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 21825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 21835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 21845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 21855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 218699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 21885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 21895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 21905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 21915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 219204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 21935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 21945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 21955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 21965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 21975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 21985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 21995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 22005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 22015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 22025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 22055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 22065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 22075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 22087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 22105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 22115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 221299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 221399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 221499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 221599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 221699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 221799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 221899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 22197b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 222099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 222199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 22227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 222399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 222499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 222599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 22267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 222799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 222899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 22295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 22305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 22315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 22325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 22335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 223499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 223599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 223699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 22375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 22385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 224099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 224199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 224299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 224399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 22447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 22465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 22475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 224999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 225099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 225199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 22525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 22565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 22575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 22607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 22617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2262486590963e2207d68eebd6944fec70d50d41116aChet Haase 2263486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2266486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2267486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2268ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2269ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2270ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2271ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 22725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2273ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 22748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2275ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 22768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 22778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 22788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 22798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 22808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2281ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2282ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2283ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2284ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2285ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2286ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2287ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2288ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2289ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2290ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 229104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 229204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 229304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 229404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2295ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 229615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 22978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2298ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2299ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2300ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2301ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2302ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 23038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2304ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2305ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2306ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2307ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2308ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2309ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2310ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2311ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2312ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 23137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 23158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 23168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 23178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 23187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2320ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2321ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2322ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2323486590963e2207d68eebd6944fec70d50d41116aChet Haase 2324486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2325ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2326ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2327486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2329486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2331ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2332ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 233370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23343d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2335486590963e2207d68eebd6944fec70d50d41116aChet Haase 2336486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2337c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23389d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2339486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2340486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2341486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 234201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 234301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 234401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 234501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 234601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 234701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2348486590963e2207d68eebd6944fec70d50d41116aChet Haase 2349486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 235001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 235101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2352486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2353710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2354cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2355710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2356710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 235701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2358cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2359710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2360710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2361710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2362710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2363710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2364710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2365710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2366710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2367cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2368cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2369cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2370cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2371cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2372cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2373710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 2374cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2375710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2376710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2377c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 237801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2379710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2380cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2381cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2382710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2383710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2384cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2385710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2386710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2387710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2388710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2389710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2390710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2391cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2392cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2393cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2394cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2395cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2396cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2397710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2398710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2399c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 240001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2401486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2402710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2403cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2404710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 240601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2407cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2410710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2411710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2413710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2414710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2415cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2416cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2417cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2418710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 2419cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2420710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2421710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2422c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2423c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2424486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2425780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2426780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2427780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2428780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 24298b2f5267f16c295f12faab810527cd6311997e34Romain Guy 24308b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2431780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 24328b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 24338b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2434780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 24357fae5216d24ebe67e22777ab933689dbcbc001b9Chris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || p->getStrokeCap() != SkPaint::kButt_Cap || useCenter) { 2436780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2437780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 2438780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2439780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2440780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2441780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2442780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2443780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2444780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2445780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2446780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2447780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2448780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2449780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2450780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2451780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2452780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2453780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2454780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2455780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik drawConvexPath(path, p); 2456780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2457780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDrew; 24588b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 24598b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2460cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2461cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2462cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2463486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2464cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2465486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2468710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2469cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2470cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2471cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2472cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2473cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2474cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2475cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2476cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2477cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2478cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2479cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2480cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2481cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2482cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2483cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 2484cf8675ee176a375f873792684d38a47f78348dffRomain Guy drawConvexPath(path, p); 2485cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2486cf8675ee176a375f873792684d38a47f78348dffRomain Guy return DrawGlInfo::kStatusDrew; 2487026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2488026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2489181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2490710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2491710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 2492cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2493858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2494710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 2495858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2496486590963e2207d68eebd6944fec70d50d41116aChet Haase 2497486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2498c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 24999d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2500416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2501416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2502416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2503416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2504416a847633680d94efb926837efdc18726d54918Raph Levien 2505416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2506416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2507416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2508416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2509416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2510416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2511416a847633680d94efb926837efdc18726d54918Raph Levien 2512416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2513416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2514416a847633680d94efb926837efdc18726d54918Raph Levien 2515416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2516416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2517416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2518416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2519416a847633680d94efb926837efdc18726d54918Raph Levien } 2520416a847633680d94efb926837efdc18726d54918Raph Levien 2521416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2522416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2523416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2524416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2525416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2526416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2527416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2528416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2529416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2530416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2531416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2532416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2533416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2534416a847633680d94efb926837efdc18726d54918Raph Levien 2535416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2536416a847633680d94efb926837efdc18726d54918Raph Levien} 2537416a847633680d94efb926837efdc18726d54918Raph Levien 2538486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2539eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2540671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 25419c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2542486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2543eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2544eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2545671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2546671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2547486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2548671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2549671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2550671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2551671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2552671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2553671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2554671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2555671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2556671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2557671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2558b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2559671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2560671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2561671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2562671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2563671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2564671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2565671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2566416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2567416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2568416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2569416a847633680d94efb926837efdc18726d54918Raph Levien } 2570416a847633680d94efb926837efdc18726d54918Raph Levien 2571671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2572671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2573671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2574671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2575671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2576671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2577671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2578671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 25794121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2580671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2581671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2582671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2583671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2584671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2585671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2586671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2587671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2588671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2589671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2590671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2591671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 25924121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2593671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2594671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2595671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2596671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2597211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2598671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2599671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2600671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2601671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2602671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2603671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2604671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2605671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2606671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2607671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2608486590963e2207d68eebd6944fec70d50d41116aChet Haase 2609486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2610eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2611eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2612c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2613996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2614671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 26159c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2616486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2617e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2618e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2619a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2620e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2621e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2622e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2623e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2624e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2625e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2626e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2627e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2628e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2629e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2630e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2631cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2632cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 263333f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2634486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2635cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2636cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 26373a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 26383a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 26396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2640211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 26416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 26446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2645ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2646c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2647996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2648ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2649eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2650b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2651b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2652fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2653e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 265486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 265586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 265686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 26579d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2658211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2659996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2660996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 26611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 26621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 26646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 26656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 26666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 26676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 26685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 266916c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2670a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 267186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 26724121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 267386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 267486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 267586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 267686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 267786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 267886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 267986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 268086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 268116c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 268216c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 268386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 268486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 268586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 268686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 26874121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 268806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2689a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : 2690a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy (mSnapshot->hasPerspectiveTransform() ? NULL : &mSnapshot->getLocalClip()); 26915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 26925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2693211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2694894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2695996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2696a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 26978b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 26988b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 26998b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2700a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2701996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 27028b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2703a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2704996e57c84368058be793897ebc355b917a59abc2Raph Levien } 27054ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 27064ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 27074ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 27084ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 27095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 27104ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 27115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2712694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 27133a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2714486590963e2207d68eebd6944fec70d50d41116aChet Haase 2715486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2716694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2717694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2718486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2719325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 272003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 272103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2722486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 272303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 272403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2725b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 272603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 272703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 272803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 272903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 273003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 273103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 273203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 273303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 273403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 27354121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 273603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 273703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 273803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 273903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 274003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 274103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 274203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 27439777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 274403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 274503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 274603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 27479777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 27484121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 27499777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27509777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 27519777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 275203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 27539777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 27549777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27559777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 27569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 27579777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 27589777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 27599777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 27609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 27619777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2762486590963e2207d68eebd6944fec70d50d41116aChet Haase 2763486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2764325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2765325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2766486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2767486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2768dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2769a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 27707fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 277133f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2772fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2773486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 277422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 27757fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 27768b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 27778b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 27788b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 277901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2780486590963e2207d68eebd6944fec70d50d41116aChet Haase 2781486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27827fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 27837fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2784486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 278535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2786486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 27876c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 27886c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2789b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2790b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2791b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2792b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2793b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 2794b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mSnapshot->transform->multiply(*transform); 2795b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2796b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2797b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 279835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 279935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 280035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 280135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 28024ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 280335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2804b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2805b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2806b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 280735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 280835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 280935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 28105bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 28112bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 281287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2813a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 28146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2815211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2816e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy SkiaColorFilter* oldFilter = mColorFilter; 2817e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = layer->getColorFilter(); 2818e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2819c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 282040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2821c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2822d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2823c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2824c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 28258168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2826c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 28279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2828c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2829c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2830c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 28319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2832211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28334ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 28344ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 28359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2836d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 28374ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 28384ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 28399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2840d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 28419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 28429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 28439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2844c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2845c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2846c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2847c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2848c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2849c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 28503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 28513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 28523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 28533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2854c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 28554ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2856e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = oldFilter; 2857e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 28585bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 28595bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 28604ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 28614ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 28624ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2863f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2864486590963e2207d68eebd6944fec70d50d41116aChet Haase 2865b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2866b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2867b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2868b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 2869486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 28706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 28716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 28726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2873d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2874d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2875d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2876d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 287706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 287806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 287906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 288006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 288106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 288206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2883fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 288406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 28857fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 28867fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2887d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2888db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2889db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2890db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2891db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2892db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2893db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2894db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2895db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2896db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2897db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2898db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2899db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 29001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 29011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 29041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 29051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 29081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 29091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 29101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 29111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 29121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 29131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 29141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 29151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 29165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 29175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 29205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 29215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 29245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 29255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 29265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 29275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29295ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2930dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 29315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 29335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 29355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 29365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 29385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 29395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 29405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 29416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 29426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 29436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 294401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 294501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 294601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 294701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 294801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 294901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 295001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 295101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 295201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 295301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 295401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 295501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 295601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 295701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 295801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 295901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 296001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 296101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 296201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 296301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 296401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 296501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 296601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 296701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 296801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 296901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 297001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 297101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 297201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2973f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 29740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 29750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 29760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 29770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 29790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 29800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 29810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 29820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2983726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 29840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 29850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 29860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2987726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 29880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2990211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2991726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2992f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 29930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29948b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 29950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2996e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2997f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2998f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2999f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3000f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3001f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3002e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3003e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 30040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 30060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3007e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3008e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3009e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3010e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 30130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 30140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3015e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3016e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3017e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3018e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 30190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3020e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3021726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3022e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3023726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 30240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 30260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 30270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3028026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 30291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3030d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 303106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 3032d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3033d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3034d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 303570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 303615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 30379c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 303870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 303970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 304070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 304170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 304270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 304370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 304470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 304570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 304670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3047c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3048c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3049c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3050c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 305182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 30528164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 305382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 305482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 305582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 305682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3057d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 30588164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 3059211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 30606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 30616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 30626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3063d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 30646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 30656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 30666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 30676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3068d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 30696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 30706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 30716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 30726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 307385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 307485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3075bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3076a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3077a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 307803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3079f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3080f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3081f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3082a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 30836820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 30845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 30858694230ff25fa0a60e480d424843e56b718f0516Romain Guy 308670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 308770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 308870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 308970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 309070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 309170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 309270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 309370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 3094db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 30955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 309670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 309703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 309870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3099db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 310086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 310170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 310270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 310370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3104db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 31056820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 310670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 310770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 310882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 310982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3110a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3111f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 311282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3113c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 311482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 311582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 311682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 311782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 311882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 311982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 312033fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 3121211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 3122a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3123f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3124a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 312582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 312682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 312782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 312882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 312982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 313082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 313182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 313282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3133a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 313482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 313582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 313682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 313782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 313882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 313982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 314082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 314182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 314282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 314382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 314482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 314582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 314682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 314782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3148fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 314982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 315082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3151fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3152bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3153bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3154889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3155d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3156fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3157d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3158fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 31596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3160260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 31616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3162260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3163260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3164026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3165ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 316682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 316782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 316882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 316982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 31708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 31718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 31725c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3173be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3174db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3175026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3176026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 31779d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3178e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3179