OpenGLRenderer.cpp revision e529ece37f664f8947a1d4a1e27d679f6f286388
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 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain 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 16844b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1707d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1717d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 17244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 173fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 174fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17784962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1788fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1807d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 18157b5268708c3b974296c7d4e58a02a957979224aRomain Guy mDirtyClip = opaque; 182ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 18411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 18545e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // If we know that we are going to redraw the entire framebuffer, 18645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // perform a discard to let the driver know we don't need to preserve 18745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // the back buffer for this frame. 18845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 18945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 19045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? GL_COLOR_EXT : GL_COLOR_ATTACHMENT0 }; 19145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 19245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy } 19345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1957d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1962b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 19757b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 1982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1997c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2007c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2016b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 202586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 203ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2046b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 20544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 206ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 207ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 208ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 20944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 21044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 211ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 212ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 213ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 214ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 215ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 216ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 217ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 218ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 219ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2206b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 221bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 222bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 22357b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 2242b7028eabac80cec170572bc0e945a1d4224e595Romain Guy Rect* clip = mTilingSnapshot->clipRect; 2252b7028eabac80cec170572bc0e945a1d4224e595Romain Guy if (s->flags & Snapshot::kFlagIsFboLayer) { 2262b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip = s->clipRect; 2272b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2282b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2292b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.startTiling(clip->left, s->height - clip->bottom, 2302b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip->right - clip->left, clip->bottom - clip->top, opaque); 2312b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2322b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2332b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 2342b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.endTiling(); 2352b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2362b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 237b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2387c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2392b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2402b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 24111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 242b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 24311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 24411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 24511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 24611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 24711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 24811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 24911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 25111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 25211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 25411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 25511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 25711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 25811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 260a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 261b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 26211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 263c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 264e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 26511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 26611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 26711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 26811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 269c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 27011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 271b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 272b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2736c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 274da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 275da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 276da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 277da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 278da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 279da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 28050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 28115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 282f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 28315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 2847c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 285da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 286da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2876c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 28808837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 28908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 29035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 2917c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 29235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 2933e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2943e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 2958025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 296586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 29782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 298746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 299da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 300a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 30250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 30350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 30450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 30550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 306da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 307da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 30835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 30935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 31035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 31135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3127c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 31335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 31435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 31535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 31635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 31735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 318ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 319932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 320ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3218f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 322ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 323ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 324ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3258f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 326ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 327ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3283d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3298f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 330ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 331ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 332ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 333ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 334ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 335ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 336ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 337ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 338ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 339ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 340ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 341ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 342ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 343ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 344ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 345ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 346ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 347ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 348c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 349ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 350ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 351c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 352ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 353c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 354c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3558f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 357beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase // protect against functors binding to other buffers 358beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindMeshBuffer(); 359beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindIndicesBuffer(); 360beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.activeTexture(0); 3618f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3628f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3638f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3648f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3658f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3668f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 367daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 368932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 369c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3708a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 371f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 372f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 373f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 374d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 37580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 37680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 37780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 378d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 379d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 380d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 381d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 382d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 383d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 38408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 38508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 38608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 38708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 38808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 38908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3907b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3917b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 39208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 39380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 394486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 395cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3968f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 39708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 398cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3998f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 40065924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 401ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 403cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 404cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 405daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4066554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 407daf98e941e140e8739458126640183b9f296a2abChet Haase} 408daf98e941e140e8739458126640183b9f296a2abChet Haase 409f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 41087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 41187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 41287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 41487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 41587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 41687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 41787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 41887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 41987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 42087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 42187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 42287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 42387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 42487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 42587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 42687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 42787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 42887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 42987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 43087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 43187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 43387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 43487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 43687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 43787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 43887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 44087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 44187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 44287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 44387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 44487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 44587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 44687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 44787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 44887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 45287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 45387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 45611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 45711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 45811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 46011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 46111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 46211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 46311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4647c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4657c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4667c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4677c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 46811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 47111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 47211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 47311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 47511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 47811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 48011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 48311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 48511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 51011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 51111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 52011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 52411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 52611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 528f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 529f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 530f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 531bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5327ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 533bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 534bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 535bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 537bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 538bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 539bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5402542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5412542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 543bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 544bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 545bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5468fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 547bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5488fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5492542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5507ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 551bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 552bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 5548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 5558fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 556bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 557bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 558bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 5597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 560bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 561eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 562bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 563bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 5647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 565bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 566eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 567eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 568eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 569eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 571eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5728b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 5738b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 5748b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 5752542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 576746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 5778fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 5782542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 5795ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 5805ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 5815ec9924d24495822b589f1a17996655d66273b30Romain Guy } 5825ec9924d24495822b589f1a17996655d66273b30Romain Guy 5832542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 584d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 5855cbbce535744b89df5ecea95de21ee3733298260Romain Guy 586f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 587bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 588bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 589bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 590bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 5915c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 592eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 593eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 594d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 595af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 596e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 597e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 598e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 599e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 600e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 601710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mode = getXfermode(p->getXfermode()); 602a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 603e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 604d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 605d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 606d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 607dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 608d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 609d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 610bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 611bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 612bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 613bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 614f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 6158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 6168b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 6178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 6188aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 6198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 6208b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 621d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 622bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6416b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6426b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6436b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 64887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 66887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 66987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 67087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 67187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 67287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 674d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 675d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 676eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 677fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 678dda570201ac851dd85af3861f7e575721d3345daRomain Guy 679eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy 681f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 682d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 6838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 684d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 685d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 686d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 687d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 688d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 689d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 690d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 691d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 692d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 693d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 694d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 695d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 696ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 697d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 698d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 699d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 700d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 701d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 702d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 703d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 704d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 705d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 706d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 707d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 708d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 709ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 711d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 712eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 713bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 714746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 715d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 716d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 717d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 718dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 719d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 720dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 721dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 722dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 723d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 724b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 725b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 726dda570201ac851dd85af3861f7e575721d3345daRomain Guy 727a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7288550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 729f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 730f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 731bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 732bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7348aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 7379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 738a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 739dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7408fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 741d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 742d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7431d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 744eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 745d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 746eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 747eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 749514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 752d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 755514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 756514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 757d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 758514fb18827186591d66973c2362c859b64b63556Romain Guy } 7597b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 76054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 76154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 762ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 763eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 764f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 765d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 766bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 767bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 768d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 771d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 772d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 773d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 774d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 775d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 776d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 777d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 778d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 779d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 780d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 781d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7832b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 7847c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 7869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 7909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mSnapshot); 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 801586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8028f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8181d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8191d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8203762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8221d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 825eb99356a0548684a501766e6a524529ab93304c8Romain Guy 826eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8272b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8282b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 829e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 830e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 831eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 832eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8337c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8342b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8352b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 836eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 837eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 8391d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 8401d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 842f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 846f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 847f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 84803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 850a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 854eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 858171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 861171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 862171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 866eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 868eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8699c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 8709c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 8719c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 8729c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 8739c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 874eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 875eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 8765c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 877eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 878eb99356a0548684a501766e6a524529ab93304c8Romain Guy 879746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 880746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 881eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8828550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 8831d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 884603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 8851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 8871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 888aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 8899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 890aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 891302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 892302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 893302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 894302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 895302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 896302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 897aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 8989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 8998f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9008f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9018f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9028f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9038f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 904aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 905aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 907aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 908aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 909aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9128f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9148f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 915ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 916ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 917ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 921d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 924d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 928aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 929aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 930aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 931aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 932aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 933302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 934302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 935302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 936302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 938aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 941aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 942aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 943aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 947b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 948ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 949b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 950b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 951b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 958d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 960d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 969aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 973aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 974aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9799fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9809fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 98140667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9829fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9878a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9888a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 989211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 9949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 996f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 9975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10017230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 10027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10037230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1004ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10067230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1009ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 10149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1015d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1018d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 102115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1027f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1029f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 10823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 10843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 10853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1088f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 10905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1091f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 10925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1097f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1099f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11001bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11011bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11021bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11031bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11041bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11051bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11061bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11071bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11081bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 111354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 111454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 111554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 111654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 111754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 111854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 111954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 112054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 112154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 112354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 112454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 112654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 112854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 112954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 113054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 113154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 113254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 113354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 113454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 113554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 113654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 113754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 113854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 113954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 114154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 114254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 114454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 114554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 114654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 114754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 114854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 114939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 115054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11528a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11538a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 115454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 115654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 115754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 115854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 116254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1163bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1164f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1165f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1166f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1167f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 11688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1169f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1170f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1171f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 11728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1173f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1174f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1175f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 11768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1177f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1179807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1180807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1181807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1182807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1183f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1184e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1185e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1186e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1187e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1188e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1189f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1190f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1191f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 11928aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1193f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1194f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1195f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1196e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1197e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1198e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1199e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1200f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1201f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1202f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1203f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1204f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1205f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1206bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1207e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1208e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 12098f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 12108a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 12118a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 12128a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 12138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12149d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 12159d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12169d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1217079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1218bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 12208a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 12218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 12228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 12238a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 12268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 12278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 12288a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12298a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 12308a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 12318a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12328a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 12338a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 12348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 123535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 123635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 123735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 123835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 123935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 124035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 124235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 124335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 124435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 124635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 124735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 124935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 125035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1251c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1252af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1253dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1254dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1255dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 12561d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 12578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1258d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1259d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1260d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1261d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1262d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1263586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1264586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 126587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1266586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1267586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1268586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1269c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1270c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1271079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1272079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 12737ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1274746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 12757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 12768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1277e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1278e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1279a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1280a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1281a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1282a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1283f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 12888a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 12898a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 129054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 129970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 130070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 130470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1307aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1308aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1309aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1310aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 131115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 131215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 131315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 131415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1315710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 131699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 13175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1319710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawVertexShape() { 1320710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mDescription.isVertexShape = true; 13216ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 13226ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1323ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1324ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1325ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1326ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1327ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 132870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 13298d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 13308d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 13328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 13338d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 13346cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 13356cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 133670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1337fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1338fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1339fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 134070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 134170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 134270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 134370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 134486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 134586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 13466cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 13476cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 134886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 134986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 135086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 135186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 135286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 135386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 135486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 135586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 13564121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 13574121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 13584121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13594121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 136070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 136170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 136270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 136370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 136470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 136570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 136670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 136770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 136970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 137070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 137170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 137270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 137370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 137570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 137670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 137770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 137870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 137970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 138070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1381f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1382f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1383f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1384f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 138554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1386f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1387f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1388f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 138970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1390f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1391f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1392f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 139370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 139470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 139570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 139670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 139770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1398f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1399f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1400f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1401e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()) || 1402e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy (mColorFilter && mColorFilter->blend()), mode, mDescription, swapSrcDst); 140370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 140670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 140770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 141070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 141170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 141370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 141470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 141570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 141670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 141770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 141870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 141970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 142070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 142170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 142270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 142370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 142470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 14268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 14278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14288d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 142970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 143070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 143170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 143270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 143370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 143470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 143570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 143670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 143786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 143886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 143986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 144086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 144186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 144286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 144386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 144486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 144586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 144686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 144770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 144870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1449ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1450ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1451ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1452ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1453ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 145470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 145555fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 145670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 145770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 145870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 145970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 146086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 14615536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 146286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 14635536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 14645536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 14655536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 146670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 146770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 146870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 146970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 147070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 147170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 147270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 147370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 147470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14758d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 14768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 14778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 14788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 14798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 148170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 148270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 148370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 148470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 148570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 148670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14874121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 14884121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 14894121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 14904121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 149170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1492f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1493f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 149415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 149570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 149670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 149770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 149870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 14992d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 150015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 150170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 150270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1503aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1504aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 15052d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 150615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1507aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1508aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 15098f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 15108f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 15118f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 15128f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 15138f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1514aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1515aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1516aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1517aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 151870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1519f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 152070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1521f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 152270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1523f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 152470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1525d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1526f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 152715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 152815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 152915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 153015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 153115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 153215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 153315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 153415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 153515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 153615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 153715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 153815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 15398d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 154070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1543f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1544f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1545f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 154615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 15475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 15505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 155199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 155299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 155399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 155499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 155599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 155699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 155799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 155899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 15595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 156099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 15617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1562f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1563f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1564f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1565f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 156615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1567d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 156999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 157099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1571d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 157399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 157499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1575d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 157799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 15787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 15797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 15807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 15817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 15827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 15835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 158570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 158670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 158870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1589f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1590f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1591f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 15921271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 159333f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1594b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 15950fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 15960fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 159704c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 15981271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 15990fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 16007b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 16016554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 16020fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 16030fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1604ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1605ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1606ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1607ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1608ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1609ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1610a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1611a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1612a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1613a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1614a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1615a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1616a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1617a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1618e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1619a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1620a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1621a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1622a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1623a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1624e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1625d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1626d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1627a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1628a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1629a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1630a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 16315b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 16325b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 16335b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1634a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1635a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1636a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1637a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1638a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1639e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1640a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1641d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1642d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1643e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1644a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1645a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1646a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1647a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1648a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1649a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1650a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1651a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1652a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1653a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1654486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 16556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 16566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 16576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 16586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1659486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1662a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16638164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1664486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 166522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 166622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1667211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1668a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1669a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1670a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1671a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1672486590963e2207d68eebd6944fec70d50d41116aChet Haase 1673486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 16758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1676486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1677f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1678f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1679f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1680f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 16816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1682486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1685a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16868164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1687486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 168822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 168922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 16905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 16915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 16925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 16935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 16945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 16955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1696486590963e2207d68eebd6944fec70d50d41116aChet Haase 1697486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1698f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1699f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1700486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1701e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1702e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1703e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1704e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1705486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1706e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1707e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1708e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1709e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1710e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1711e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1712e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1713486590963e2207d68eebd6944fec70d50d41116aChet Haase 1714486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1715e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1716e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1717486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 17185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 17195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 17205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1721486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1724a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1726486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 17275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1728e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1729d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1730d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 17315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 17335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 17345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 17355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 17375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1738b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1739b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1740b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1741b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1742b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1743211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1744b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1745a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1746a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 17475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 17485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 17495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 17505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 17515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 17535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 17545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 17555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 17565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 17585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 17595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 17605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 17615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 17625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 17635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 17645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 17655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 17685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1773b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1774b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1775b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1776b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1777b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1778b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1779b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1780b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 17815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1784b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1785b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1786b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1787b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 17885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 17895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1790b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1791486590963e2207d68eebd6944fec70d50d41116aChet Haase 1792486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 17935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 17945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1795486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 17968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 17978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 17985c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 17996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1800486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1803a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1805486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 180622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 18078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 18098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1810c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 18116816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 18126816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 18136816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 18146816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1815c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 181603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 18178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 18188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 181903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 182003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 182103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 182203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1823d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1824d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1825211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 18266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 18276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 18286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1829b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1830631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1831631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1832d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1833b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1834b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1835d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 18366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 18376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 18386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 18396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 18406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1841d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 18426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 18436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 18446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 18456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1848486590963e2207d68eebd6944fec70d50d41116aChet Haase 1849486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1850ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1851ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1852486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 18534bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 18545c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1855be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1856be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1857be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1858be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1859be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1860be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1861be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1862be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1863be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1864be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1865be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 18666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1867486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1870be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1871be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1872a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18738164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1874486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 187522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1876d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1877d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1878f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 18792728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 18804bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1881f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1882211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 18836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 18845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 18858168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1886c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1887c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 18885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 18895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 18908ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1891211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1892c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1893c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1894c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 18956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1896c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1897c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 18986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 19005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 19015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1902211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 19036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 19046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 19056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 19066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 19076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 19086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 19096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 19106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 19116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 19126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 19136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 19146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 19156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1916054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1917486590963e2207d68eebd6944fec70d50d41116aChet Haase 1918486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1919f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1920f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1922858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 19236ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * We expand the rectangle by a half pixel in screen space on all sides. However, instead of using 19246ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * a fragment shader to compute the translucency of the color from its position, we simply use a 19256ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * varying parameter to define how far a given pixel is into the region. 1926858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1927710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::drawConvexPath(const SkPath& path, int color, SkXfermode::Mode mode, bool isAA) { 1928710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik VertexBuffer vertexBuffer; 1929710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: try clipping large paths to viewport 1930710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik PathRenderer::convexPathFillVertices(path, mSnapshot->transform, vertexBuffer, isAA); 193104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1932710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 1933710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 1934710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 1935710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawVertexShape(); 1936710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 1937710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 1938710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 1939710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 1940710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 1941710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawModelViewIdentity(true); 1942710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 1943710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 1944710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 1945858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1946710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 1947710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 1948710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1949710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik vertices, isAA ? gAlphaVertexStride : gVertexStride); 1950710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 1951710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 19526ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1953710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 1954710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 1955710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 1956710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 19576ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1958710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 19596ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 19606ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 1961710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 19626ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1963710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect bounds = path.getBounds(); 1964710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 196504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1966710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 19677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1968710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 19696ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 197004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1971858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1972858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1973858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 197499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 197599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 197899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 197999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 198099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 198199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 198299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 198499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 198599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 198699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 198799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 198899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 198999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 199099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1991486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1992486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 19938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 19988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 19998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 20008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 20017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 200399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 200499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 20057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 20078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 20087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 20105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 2012c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 201399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 201499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 201599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 201799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 2020211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 202299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 202399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 202499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 20259147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 20267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2027211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 2028211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 20297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 203199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 20327b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 203499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 203599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 203699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 204004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 204104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 204204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 20438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 204415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 2046710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawAA(); 20478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 20498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 20508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 2051211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 20528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 20538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 20548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 20558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 20568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 20578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 206099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 206199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 20625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 206399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 20645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 20677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 20687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 20705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 20717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 207399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 20747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2075211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 20765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 20775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 207899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 207999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 208099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 20815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 20825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 208399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 208499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 20858f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 20867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 20877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 20885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 209099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 209199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 2092740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 209399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 209499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 20957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 20975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 20985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 20995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 21007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 210199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 210299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 210399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 21045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 21055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 210699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 210775040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 210875040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 210975040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 211075040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 21118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 21138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 21148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 21158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 21168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 21178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 21188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 21205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 212299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 212399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 212499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 212599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 212699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 212799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 212899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 212999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 213099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 213199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 21327b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 213399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 213499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 213575040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 213699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 21375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 213999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 214099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 214199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 214299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 214399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 21447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 214599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 214699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 214799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 214899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 21498f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 215099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 21518f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 215299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 215499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 215599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 215699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 215799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 215899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 21605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 21615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 21625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 21635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 21645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 216599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 21675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 21685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 21695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 21705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 217104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 21725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 21735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 21745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 21755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 21765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 21775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 21785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 21795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 21805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 21815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 21845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 21855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 21865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 21877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 21895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 21905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 219199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 219299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 219399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 219499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 219599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 219699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 219799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 219999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 220099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 22017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 220299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 220399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 220499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 22057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 220699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 220799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 22085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 22095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 22105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 22115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 22125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 221399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 221499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 221599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 22165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 22175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 221999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 222099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 222199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 222299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 22237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 22255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 22265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 222899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 222999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 223099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 22315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22337b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 22355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 22365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 22397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 22407b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2241486590963e2207d68eebd6944fec70d50d41116aChet Haase 2242486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2245486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2246486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2247ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2248ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2249ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2250ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 22515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2252ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 22538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2254ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 22558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 22568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 22578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 22588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 22598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2260ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2261ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2262ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2263ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2264ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2265ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2266ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2267ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2268ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2269ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 227004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 227104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 227204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 227304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2274ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 227515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 22768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2277ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2278ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2279ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2280ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2281ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 22828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2283ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2284ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2285ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2286ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2287ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2288ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2289ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2290ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2291ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 22927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 22948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 22958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 22968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 22977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2299ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2300ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2301ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2302486590963e2207d68eebd6944fec70d50d41116aChet Haase 2303486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2304ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2305ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2306486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2307e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2308486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2309e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2310ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2311ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 231270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23133d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2314486590963e2207d68eebd6944fec70d50d41116aChet Haase 2315486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2316c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23179d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2318486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2319486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2320486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 232101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 232201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 232301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 232401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 232501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 232601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2327486590963e2207d68eebd6944fec70d50d41116aChet Haase 2328486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 232901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 233001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2331486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2332710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2333710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(left, top, right, bottom)) { 2334710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2335710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 233601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2337710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2338710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2339710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2340710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2341710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2342710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2343710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2344710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2345710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2346710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 2347710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), p->isAntiAlias()); 2348710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2349710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2350c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 235101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2352710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2353710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(x - radius, y - radius, x + radius, y + radius)) { 2354710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2355710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2356c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2357710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2358710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2359710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2360710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2361710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2362710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2363710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2364710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addCircle(x, y, radius); 2365710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), p->isAntiAlias()); 2366710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2367710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2368c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 236901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2370486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2371710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2372710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(left, top, right, bottom)) { 2373710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2374710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 237501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2376710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2377710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2378710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2379710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2380710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2381710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2382710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2383710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2384710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 2385710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), p->isAntiAlias()); 2386710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2387710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2388c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2389c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2390486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 23918b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2392486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 23938b2f5267f16c295f12faab810527cd6311997e34Romain Guy 23948b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2395486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 23968b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 23978b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2398a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23998b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 24008b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2401486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 24028b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 24038b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2404486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2405710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(left, top, right, bottom)) { 2406486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2410710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2411710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2413026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2414026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2415181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2416710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2417710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 2418710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), true); 2419858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2420710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 2421858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2422486590963e2207d68eebd6944fec70d50d41116aChet Haase 2423486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2424c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 24259d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2426416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2427416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2428416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2429416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2430416a847633680d94efb926837efdc18726d54918Raph Levien 2431416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2432416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2433416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2434416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2435416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2436416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2437416a847633680d94efb926837efdc18726d54918Raph Levien 2438416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2439416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2440416a847633680d94efb926837efdc18726d54918Raph Levien 2441416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2442416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2443416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2444416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2445416a847633680d94efb926837efdc18726d54918Raph Levien } 2446416a847633680d94efb926837efdc18726d54918Raph Levien 2447416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2448416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2449416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2450416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2451416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2452416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2453416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2454416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2455416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2456416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2457416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2458416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2459416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2460416a847633680d94efb926837efdc18726d54918Raph Levien 2461416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2462416a847633680d94efb926837efdc18726d54918Raph Levien} 2463416a847633680d94efb926837efdc18726d54918Raph Levien 2464486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2465eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2466671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24679c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2468486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2469eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2470eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2471671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2472671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2473486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2474671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2475671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2476671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2477671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2478671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2479671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2480671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2481671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2482671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2483671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2484b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2485671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2486671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2487671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2488671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2489671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2490671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2491671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2492416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2493416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2494416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2495416a847633680d94efb926837efdc18726d54918Raph Levien } 2496416a847633680d94efb926837efdc18726d54918Raph Levien 2497671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2498671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2499671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2500671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2501671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2502671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2503671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2504671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 25054121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2506671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2507671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2508671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2509671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2510671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2511671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2512671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2513671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2514671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2515671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2516671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2517671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 25184121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2519671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2520671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2521671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2522671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2523211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2524671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2525671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2526671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2527671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2528671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2529671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2530671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2531671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2532671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2533671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2534486590963e2207d68eebd6944fec70d50d41116aChet Haase 2535486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2536eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2537eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2538c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2539996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2540671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 25419c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2542486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2543e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2544e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2545a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2546e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2547e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2548e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2549e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2550e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2551e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2552e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2553e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2554e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2555e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2556e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2557cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2558cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 255933f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2560486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2561cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2562cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 25633a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 25643a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 25656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2566211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 25676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2571ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2572c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2573996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2574ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2575eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2576b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2577b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2578fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2579e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 258086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 258186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 258286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25839d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2584211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2585996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2586996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 25871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 25881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 25906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 25916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 25926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 25936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 259516c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2596a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 259786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 25984121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 259986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 260086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 260186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 260286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 260386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 260486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 260586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 260686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 260716c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 260816c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 260986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 261086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 261186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 261286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 26134121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 261406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 26156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 26165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 26175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2618211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2619894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2620996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 26218b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 26228b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 26238b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 26248b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2625996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2626996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 26278b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 26288b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2629996e57c84368058be793897ebc355b917a59abc2Raph Levien } 26304ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26314ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 26324ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 26334ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 26345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 26354ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 26365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2637694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 26383a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2639486590963e2207d68eebd6944fec70d50d41116aChet Haase 2640486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2641694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2642694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2643486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2644325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 264503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 264603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2647486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 264803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 264903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2650b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 265103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 265203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 265303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 265403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 265503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 265603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 265703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 265803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 265903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 26604121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 266103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 266203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 266303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 266403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 266503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 266603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 266703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 26689777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 266903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 267003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 267103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 26729777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 26734121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 26749777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26759777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 26769777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 267703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 26789777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 26799777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26809777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 26819777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 26829777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 26839777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 26849777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 26859777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 26869777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2687486590963e2207d68eebd6944fec70d50d41116aChet Haase 2688486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2689325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2690325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2691486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2692486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2693dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2694a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26957fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 269633f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2697fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2698486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 269922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 27007fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 27018b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 27028b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 27038b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 270401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2705486590963e2207d68eebd6944fec70d50d41116aChet Haase 2706486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27077fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 27087fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2709486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 271035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2711486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 27126c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 27136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 271435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 271535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 271635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 271735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 27184ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 271935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 272035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 272135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 272235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 272335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy bool debugLayerUpdate = false; 272411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (updateLayer(layer, true)) { 27254ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 27262bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 27272bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 272887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2729a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 27306c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2731211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2732e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy SkiaColorFilter* oldFilter = mColorFilter; 2733e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = layer->getColorFilter(); 2734e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2735c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 273640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2737c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2738d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2739c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2740c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 27418168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2742c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 27439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2744c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2745c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2746c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 27479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2748211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27494ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 27504ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 27519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2752d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 27534ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 27544ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 27559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2756d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 27579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 27589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 27599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2760c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2761c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2762c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2763c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2764c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2765c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 27663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 27673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 27683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 27693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2770c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 27714ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2772e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = oldFilter; 2773e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 27744ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 27754ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 27764ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 27774ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2778f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2779486590963e2207d68eebd6944fec70d50d41116aChet Haase 2780486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27816c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 27826c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 27836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2784d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2785d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2786d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2787d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 278806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 278906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 279006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 279106f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 279206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 279306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2794fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 279506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 27967fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 27977fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2798d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2799db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2800db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2801db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2802db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2803db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2804db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2805db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2806db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2807db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2808db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2809db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2810db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 28111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 28121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 28131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 28151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 28161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 28171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 28191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 28201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 28211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 28221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 28231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 28241e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 28251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28261e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 28275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 28285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 28315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 28325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 28355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 28365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 28375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 28385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28405ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2841dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 28425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 28445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 28465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 28475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 28495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28505ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28515ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 28536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 28546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 285501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 285601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 285701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 285801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 285901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 286001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 286101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 286201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 286301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 286401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 286501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 286601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 286701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 286801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 286901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 287001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 287101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 287201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 287301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 287401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 287501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 287601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 287701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 287801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 287901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 288001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 288101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 288201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 288301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2884f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 28850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 28860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 28870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 28880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 28900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 28910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 28920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 28930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2894726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 28950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 28960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 28970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2898726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 28990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2901211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2902726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2903f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 29040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29058b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 29060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2907e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2908f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2909f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2910f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2911f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2912f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2913e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2914e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 29150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 29170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2918e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2919e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2920e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2921e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 29220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 29250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2926e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2927e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2928e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2929e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 29300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2931e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2932726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2933e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2934726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 29350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 29380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2939026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 29401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2941d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 294206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2943d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2944d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2945d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 294670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 294715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 29489c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 294970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 295070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 295170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 295270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 295370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 295470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 295570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 295670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 295770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2958c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2959c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2960c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2961c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 296282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 29638164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 296482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 296582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 296682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 296782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2968d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 29698164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2970211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 29716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 29726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 29736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2974d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 29756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 29766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 29776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 29786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2979d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 29806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 29816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 29826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 29836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 298485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 298585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2986bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2987a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2988a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 298903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2990f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2991f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2992f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2993a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 29946820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 29955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 29968694230ff25fa0a60e480d424843e56b718f0516Romain Guy 299770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 299870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 299970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 300070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 300170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 300270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 300370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 300470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 3005db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 30065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 300770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 300803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 300970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3010db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 301186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 301270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 301370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 301470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3015db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 30166820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 301770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 301870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 301982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 302082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3021a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3022f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 302382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3024c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 302582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 302682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 302782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 302882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 302982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 303082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 303133fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 3032211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 3033a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3034f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3035a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 303682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 303782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 303882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 303982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 304082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 304182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 304282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 304382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3044a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 304582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 304682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 304782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 304882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 304982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 305082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 305182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 305282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 305382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 305482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 305582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 305682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 305782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 305882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3059fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 306082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 306182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3062fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3063bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3064bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3065889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3066d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3067fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3068d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3069fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 30706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3071260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 30726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3073260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3074260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3075026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3076ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 307782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 307882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 307982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 308082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 30818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 30828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 30835c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3084be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3085db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3086026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3087026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 30889d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3089e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3090