OpenGLRenderer.cpp revision 710f46d9d6a5bf9ea1c1833384caf61e1934124f
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" 37a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 49f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 50dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 85e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 111fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 113db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 116026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14349c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14649c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 14835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 14935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 15135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 15435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 15535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 157260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 158bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 160bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 161eb99356a0548684a501766e6a524529ab93304c8Romain Guy 162eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 163eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 164e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 165e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1697d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 17044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 171fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 172fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17584962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1768fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 177f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1787d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 1792b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mDirtyClip = mOpaqueFrame = opaque; 180ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // If we know that we are going to redraw the entire framebuffer, 18245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // perform a discard to let the driver know we don't need to preserve 18345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // the back buffer for this frame. 18445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 18545e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 18645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? GL_COLOR_EXT : GL_COLOR_ATTACHMENT0 }; 18745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 18845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy } 18945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 190ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1917d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1922b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 1932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(); 1942b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1956b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 196586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1986b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 19944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 200ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 202ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 20344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 20444b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 205ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 206ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 207ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 208ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 209ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 210ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 211ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 212ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 213ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2146b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 215bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 216bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2172b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::startTiling() { 2182b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mTilingSnapshot); 2192b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2202b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2212b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s) { 2222b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool opaque = mOpaqueFrame; 2232b7028eabac80cec170572bc0e945a1d4224e595Romain Guy Rect* clip = mTilingSnapshot->clipRect; 2242b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2252b7028eabac80cec170572bc0e945a1d4224e595Romain Guy if (s->flags & Snapshot::kFlagIsFboLayer) { 2262b7028eabac80cec170572bc0e945a1d4224e595Romain Guy opaque = !s->layer->isBlend(); 2272b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip = s->clipRect; 2282b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2292b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2302b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.startTiling(clip->left, s->height - clip->bottom, 2312b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip->right - clip->left, clip->bottom - clip->top, opaque); 2322b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2332b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2342b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 2352b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.endTiling(); 2362b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2372b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 238b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2392b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2402b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 241b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 242b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 243b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2445baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 245a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 246a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 247a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 248a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 249a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 250a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 251a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 252a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 253a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 254a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 255a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 256a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 257a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 258a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 259b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 260b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 261c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 262c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 263e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 264e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 265e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 266e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 267c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 268b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 269b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2706c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 271da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 272da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 273da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 274da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 275da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 276da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 27750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 27815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 279f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 28015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 281da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 282da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2836c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 28408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 28508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 28635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 28735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 2883e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2893e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 2908025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 291586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 29282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 293746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 294da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 295a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 29750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 29850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 29950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 30050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 301da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 302da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 30335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 30435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 30535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 30635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 30735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 30835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 30935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 31035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 31135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 312ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 313932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 314ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3158f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 316ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 317ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 318ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3198f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 320ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 321ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3223d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3238f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 324ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 325ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 326ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 327ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 328ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 329ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 330ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 331ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 332ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 333ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 334ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 335ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 336ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 337ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 338ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 339ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 340ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 341ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 342c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 343ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 344ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 345c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 346ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 347c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 348c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3498f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 351beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase // protect against functors binding to other buffers 352beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindMeshBuffer(); 353beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindIndicesBuffer(); 354beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.activeTexture(0); 3558f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3578f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3588f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3598f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3608f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 361daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 362932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 363c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3648a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 365f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 366f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 367f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 368d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 36980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 37080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 37180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 372d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 373d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 374d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 375d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 376d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 377d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 37808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 37908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 38008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 38108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 38208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 38308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3847b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3857b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 38608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 38780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 388486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 389cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3908f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 39108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 392cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3938f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 39465924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 395ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3968f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 397cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 398cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 399daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4006554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 401daf98e941e140e8739458126640183b9f296a2abChet Haase} 402daf98e941e140e8739458126640183b9f296a2abChet Haase 403f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 404f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 405f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 406f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 407bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 4087ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 409bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 410bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 411bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 4128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 413bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 414bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 415bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 4162542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 4172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 4187ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 419bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 420bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 421bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 4228fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 423bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4248fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 4252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 4267ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 427bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 428bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 4308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 4318fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 432bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 433bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 434bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 4357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 436bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 437eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 438bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 439bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 4407ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 441bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 442eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 443eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 444eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 445eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 446eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 447eb99356a0548684a501766e6a524529ab93304c8Romain Guy 4488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 4498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4512542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 452746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4538fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4542542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4555ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4565ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4575ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4585ec9924d24495822b589f1a17996655d66273b30Romain Guy 4592542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 460d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4615cbbce535744b89df5ecea95de21ee3733298260Romain Guy 462f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 463bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 464bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 465bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 466bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4675c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 468eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 469eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 470d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 471af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 472e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 473e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 474e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 475e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 476e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 477710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mode = getXfermode(p->getXfermode()); 478a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 479e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 480d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 481d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 482d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 483dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 484d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 485d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 486bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 487bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 488bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 489bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 490f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 4918aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4928b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4948aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4958aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4968b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 497d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 498bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 5021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 5031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 5041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 5051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 5061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 5081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 5091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 5101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 5111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 5121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 5131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 5141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 5166b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 5176b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 5186b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 5196b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 5201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 5221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 5231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 52487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 5251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 5261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 5271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 5291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 5301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 5311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 5321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 5331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 5351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 5361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 5371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 5381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 5391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 5401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 54487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 54587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 54687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 54787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 54887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 550d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 551d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 552eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 553fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 554dda570201ac851dd85af3861f7e575721d3345daRomain Guy 555eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 556eb99356a0548684a501766e6a524529ab93304c8Romain Guy 557f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 558d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 5598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 560d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 561d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 562d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 563d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 564d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 565d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 566d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 567d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 568d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 569d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 570d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 571d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 572ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 573d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 574d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 575d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 576d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 577d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 578d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 579d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 580d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 581d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 582d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 583d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 584d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 585ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 586d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 587d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 588eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 589bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 590746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 591d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 592d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 593d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 594dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 595d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 596dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 597dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 598dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 599d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 600b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 601b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 602dda570201ac851dd85af3861f7e575721d3345daRomain Guy 603a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6048550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 605f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 606f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 607bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 608bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 6108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 6119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 6129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 6139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 614a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 615dda570201ac851dd85af3861f7e575721d3345daRomain Guy 6168fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 617d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 618d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 6191d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 621d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 6249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 625514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 6269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 628d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 6299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 6309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 631514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 632514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 633d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 634514fb18827186591d66973c2362c859b64b63556Romain Guy } 6357b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 63654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 63754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 638ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 639eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 640f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 641d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 642bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 643bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 644d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 6459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 647d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 648d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 649d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 650d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 651d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 652d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 653d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 654d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 655d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 656d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 657d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6592b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6732b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mSnapshot); 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 676586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 6778f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6931d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6941d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6953762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6961d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6971d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6981d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 700eb99356a0548684a501766e6a524529ab93304c8Romain Guy 701eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 7032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 704e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 705e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 706eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 707eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 7082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 7092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 710eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 711eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 7131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 7141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 716f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 7179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 7199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 720f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 721f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 72203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 7238b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 724a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 728eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 732171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 735171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 736171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 740eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7411d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 742eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7439c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7449c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7459c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7469c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7479c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 748eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 749eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7505c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 751eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 752eb99356a0548684a501766e6a524529ab93304c8Romain Guy 753746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 754746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 755eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7568550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 758603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 7591d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7601d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7611d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 762aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 764aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 765302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 766302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 767302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 768302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 769302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 770302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 771aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7738f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7768f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7778f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 781aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 783aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7888f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 789ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 790ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 791ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 795d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 798d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 802aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 803aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 804aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 805aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 806aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 807302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 808302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 809302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 810302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 811aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 812aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 815aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 816aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 817aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 8209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 821b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 822ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 823b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 824b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 825b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 8269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 8279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 832d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 834d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 843aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 844aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 845aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 846aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 847aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 848aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8539fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8549fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 85540667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8569fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8618a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8628a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 863211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 870f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8757230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8767230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8777230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 878ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8807230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8817230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8827230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 883ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 889d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 892d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 89515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 901f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 903f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 9125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 9145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 9155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 9165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 9175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 9215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 9225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 9255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 962f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 965f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 971f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 973f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9741bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9751bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9761bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9771bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9781bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9791bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9801bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9811bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9821bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 9998a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 100554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 101054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 101154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 101254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 101354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 101554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 101854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 101954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 102054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 102154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 102254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 102339d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 102454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 102554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 10268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 102854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 102954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 103054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 103154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 103254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 103354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 103454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 103554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 103654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1037bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1038f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1039f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1040f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1041f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1043f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1044f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1045f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10468aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1047f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1048f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1049f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1051f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1052f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1053807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1054807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1055807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1056807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1057f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1058e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1059e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1060e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1061e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1062e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1063f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1064f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1065f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1067f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1068f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1069f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1070e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1071e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1072e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1073e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1074f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1075f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1076f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1077f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1078f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1079f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1080bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1081e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1082e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10838f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10848a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10858a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 10868a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 10878a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10889d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10899d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10909d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1091079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1092bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1093bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 10948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 10958a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 10968a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 10978a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10988a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10998a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 11008a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 11018a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 11028a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11038a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 11048a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 11058a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11068a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 11078a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 11088a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 110935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 111035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 111135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 111235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 111335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 111435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 111535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 111635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 111735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 111835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 111935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 112035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 112135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 112235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 112335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 112435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1125c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1126af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1127dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1128dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1129dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 11301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 11318aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1132d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1133d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1134d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1135d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1136d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1137586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1138586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1139586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1140586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1141586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1142586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1143c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1144c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1145079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1146079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 11477ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1148746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 11497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1151e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1152e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1153a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1154a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1155a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1156a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1157f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 115870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 115970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 116070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 11628a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 11638a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 116454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 117170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1181aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1182aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1183aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1184aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 118515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 118615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 118715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 118815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1189710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 119099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1193710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawVertexShape() { 1194710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mDescription.isVertexShape = true; 11956ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 11966ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1197ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1198ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1199ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1200ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1201ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 12038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 12048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12058d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 12068d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 12078d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 12086cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 12096cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1211fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1212fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1213fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 121986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 12206cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 12216cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 122286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 122386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 122486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 122586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 122686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 122786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 122886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 122986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 12304121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 12314121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 12324121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 12334121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1255f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1256f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1257f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1258f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 125954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1260f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1261f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1262f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 126370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1264f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1265f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1266f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 126970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 127170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1272f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1273f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1274f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 128070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 128170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 128970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 13008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 13018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 130470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 131186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 131286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 131386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 131486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 131586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 131686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 131786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 131886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 131986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 132086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 132170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1323ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1324ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1325ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1326ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1327ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 132870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 132955fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 133070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 133170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 133270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 133486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 13355536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 133686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 13375536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 13385536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 13395536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 134070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 134170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 134270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 134370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 134470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 134570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 134670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 134770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 134870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 13508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 13518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 13528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 135570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 135670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 135770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 135870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 135970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13614121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 13624121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 13634121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13644121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 136570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1366f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1367f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 136815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 136970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 137170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 137270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13732d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 137415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 137570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1377aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1378aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13792d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 138015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1381aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1382aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13838f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13848f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13858f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13878f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1388aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1389aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1390aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1391aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 139270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1393f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 139470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1395f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 139670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1397f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 139870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1399d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1400f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 140115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 140215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 140315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 140415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 140515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 140615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 140715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 140815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 140915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 141015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 141115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 141215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 14138d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 141470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1417f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1418f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1419f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 142015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 14215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 14245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 142599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 142699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 142799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 142899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 142999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 143099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 143199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 143299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 14335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 143499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 14357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1436f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1437f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1438f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1439f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 144015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1441d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 144399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 144499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1445d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14467b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 144799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 144899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1449d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 145199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 14527b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 145970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 146070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 146170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 146270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1463f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1464f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1465f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14661271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 146733f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1468b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14690fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14700fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 147104c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14721271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14730fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14747b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14756554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14760fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14770fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1478ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1479ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1480ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1481ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1482ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1483ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1484a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1485a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1486a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1487a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1488a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1489a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1490a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1491a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1492e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1493a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1494a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1495a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1496a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1497a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1498e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1499d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1500d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1501a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1502a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1503a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1504a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 15055b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 15065b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 15075b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1508a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1509a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1510a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1511a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1512a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1513e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1514a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1515d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1516d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1517e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1518a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1519a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1520a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1521a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1522a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1523a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1524a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1525a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1526a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1527a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1528486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 15296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 15306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 15316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 15326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1533486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1536a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15378164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1538486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 153922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 154022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1541211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1542a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1543a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1544a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1545a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1546486590963e2207d68eebd6944fec70d50d41116aChet Haase 1547486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 15488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 15498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1550486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1551f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1552f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1553f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1554f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1556486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1559a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15608164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1561486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 156222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 156322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1570486590963e2207d68eebd6944fec70d50d41116aChet Haase 1571486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1572f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1573f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1574486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1575e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1576e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1577e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1578e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1579486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1580e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1581e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1582e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1583e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1584e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1585e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1586e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1587486590963e2207d68eebd6944fec70d50d41116aChet Haase 1588486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1589e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1590e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1591486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1595486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1598a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1600486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 16015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1602e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1603d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1604d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 16075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 16085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 16095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 16115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1612b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1613b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1614b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1615b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1616b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1617211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1618b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1619a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1620a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 16215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 16225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 16235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 16245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 16255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 16275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 16285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 16295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 16305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 16325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 16335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 16345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 16355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 16365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 16375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 16385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 16395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 16425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1647b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1648b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1649b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1650b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1651b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1652b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1653b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1654b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 16555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1658b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1659b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1660b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1661b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1664b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1665486590963e2207d68eebd6944fec70d50d41116aChet Haase 1666486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1669486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16725c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1674486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1677a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16788164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1679486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 168022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1684c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16856816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16866816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16876816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16886816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1689c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 169003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 169303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 169403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 169503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 169603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1697d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1698d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1699211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 17006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 17016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 17026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1703b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1704631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1705631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1706d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1707b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1708b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1709d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 17106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 17116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 17126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 17136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 17146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1715d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 17166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 17176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 17186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 17196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1722486590963e2207d68eebd6944fec70d50d41116aChet Haase 1723486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1724ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1725ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1726486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 17274bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 17285c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1729be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1730be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1731be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1732be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1733be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1734be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1735be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1736be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1737be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1738be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1739be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 17406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1741486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1744be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1745be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1746a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17478164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1748486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 174922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1750d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1751d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1752f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 17532728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17544bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1755f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1756211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 17585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17598168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1760c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1761c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17648ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1765211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1766c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1767c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1768c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1770c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1771c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1776211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1790054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1791486590963e2207d68eebd6944fec70d50d41116aChet Haase 1792486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1793f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1794f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 179599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1796858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 17976ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * We expand the rectangle by a half pixel in screen space on all sides. However, instead of using 17986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * a fragment shader to compute the translucency of the color from its position, we simply use a 17996ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * varying parameter to define how far a given pixel is into the region. 1800858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1801710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::drawConvexPath(const SkPath& path, int color, SkXfermode::Mode mode, bool isAA) { 1802710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik VertexBuffer vertexBuffer; 1803710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: try clipping large paths to viewport 1804710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik PathRenderer::convexPathFillVertices(path, mSnapshot->transform, vertexBuffer, isAA); 180504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1806710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 1807710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 1808710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 1809710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawVertexShape(); 1810710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 1811710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 1812710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 1813710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 1814710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 1815710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawModelViewIdentity(true); 1816710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 1817710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 1818710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 1819858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1820710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 1821710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 1822710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1823710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik vertices, isAA ? gAlphaVertexStride : gVertexStride); 1824710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 1825710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 18266ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1827710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 1828710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 1829710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 1830710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 18316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1832710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 18336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 18346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 1835710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 18366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1837710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect bounds = path.getBounds(); 1838710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 183904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1840710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 18417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1842710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 18436ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 184404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1845858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1846858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1847858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 185299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 185399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 185499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 185599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1865486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1866486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1886c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 189099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 189199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 189299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 189399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1894211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 189599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 18999147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 19007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1901211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1902211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 19037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 190599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 19067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 190799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 190899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 191099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 191404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 191504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 191604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 19178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 191815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 1920710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawAA(); 19218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 19238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 19248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1925211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 193499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 193599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 193799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19407b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 194699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 194799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1949211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 195299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 195399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 195499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 195899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 19598f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 19607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 196499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 196599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1966740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 196799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 196899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 19697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 197599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 198099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 198175040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 198275040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 198375040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 198475040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 19858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 199899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 200299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 200399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 200499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 200599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 20067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 200899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 200975040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 201099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 201499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 201599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 201699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 201799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 20187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 202099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 202299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 20238f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 202499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 20258f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 202699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 202999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 203099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 203199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 203299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 203999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 204504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 20465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 206599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 206699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 206799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 206899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 206999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 207099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 207199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 207499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 207799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 207899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 208099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 208199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 208799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 208899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 208999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 209499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 209599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 209699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 21005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 210299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 210399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 210499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 21055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 21095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 21105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 21137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 21147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2115486590963e2207d68eebd6944fec70d50d41116aChet Haase 2116486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2119486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2120486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2122ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2128ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2134ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2135ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2136ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2143ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 214404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 214504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 214604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 214704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2148ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 214915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2153ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2155ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2165ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2173ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2174ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2176486590963e2207d68eebd6944fec70d50d41116aChet Haase 2177486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2178ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2179ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2180486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2181e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2182486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2183e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2184ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2185ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 218670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21873d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2188486590963e2207d68eebd6944fec70d50d41116aChet Haase 2189486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2190c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21919d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2192486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2193486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2194486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 219501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 219601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 219701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 219801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 219901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 220001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2201486590963e2207d68eebd6944fec70d50d41116aChet Haase 2202486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 220301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 220401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2205486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2206710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2207710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(left, top, right, bottom)) { 2208710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2209710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 221001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2211710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2212710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2213710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2214710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2215710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2216710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2217710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2218710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2219710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2220710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 2221710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), p->isAntiAlias()); 2222710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2223710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2224c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 222501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2226710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2227710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(x - radius, y - radius, x + radius, y + radius)) { 2228710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2229710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2230c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2231710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2232710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2233710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2234710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2235710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2236710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2237710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2238710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addCircle(x, y, radius); 2239710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), p->isAntiAlias()); 2240710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2241710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2242c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 224301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2244486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2245710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2246710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(left, top, right, bottom)) { 2247710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2248710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 224901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2250710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2251710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2252710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2253710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2254710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2255710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2256710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2257710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2258710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 2259710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), p->isAntiAlias()); 2260710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2261710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2262c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2263c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2264486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22658b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2266486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22678b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22688b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2269486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22708b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22718b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2272a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22738b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22748b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2275486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22768b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22778b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2278486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2279710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (mSnapshot->isIgnored() || quickReject(left, top, right, bottom)) { 2280486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2283710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2284710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2285710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2286710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2287026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2288026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2289181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2290710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2291710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 2292710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawConvexPath(path, p->getColor(), getXfermode(p->getXfermode()), true); 2293858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2294710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 2295858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2296486590963e2207d68eebd6944fec70d50d41116aChet Haase 2297486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2298c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22999d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2300416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2301416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2302416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2303416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2304416a847633680d94efb926837efdc18726d54918Raph Levien 2305416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2306416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2307416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2308416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2309416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2310416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2311416a847633680d94efb926837efdc18726d54918Raph Levien 2312416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2313416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2314416a847633680d94efb926837efdc18726d54918Raph Levien 2315416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2316416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2317416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2318416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2319416a847633680d94efb926837efdc18726d54918Raph Levien } 2320416a847633680d94efb926837efdc18726d54918Raph Levien 2321416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2322416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2323416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2324416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2325416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2326416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2327416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2328416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2329416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2330416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2331416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2332416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2333416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2334416a847633680d94efb926837efdc18726d54918Raph Levien 2335416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2336416a847633680d94efb926837efdc18726d54918Raph Levien} 2337416a847633680d94efb926837efdc18726d54918Raph Levien 2338486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2339eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2340671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 23419c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2342486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2343eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2344eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2345671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2346671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2347486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2348671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2349671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2350671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2351671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2352671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2353671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2354671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2355671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2356671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2357671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2358b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2359671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2360671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2361671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2362671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2363671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2364671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2365671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2366416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2367416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2368416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2369416a847633680d94efb926837efdc18726d54918Raph Levien } 2370416a847633680d94efb926837efdc18726d54918Raph Levien 2371671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2372671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2373671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2374671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2375671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2376671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2377671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2378671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 23794121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2380671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2381671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2382671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2383671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2384671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2385671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2386671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2387671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2388671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2389671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2390671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2391671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 23924121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2393671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2394671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2395671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2396671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2397211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2398671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2399671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2400671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2401671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2402671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2403671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2404671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2405671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2406671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2407671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2408486590963e2207d68eebd6944fec70d50d41116aChet Haase 2409486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2410eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2411eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2412c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2413996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2414671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24159c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2416486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2417e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2418e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2419a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2420e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2421e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2422e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2423e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2424e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2425e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2426e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2427e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2428e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2429e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2430e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2431cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2432cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 243333f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2434486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2435cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2436cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 24373a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 24383a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 24396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2440211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 24426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 24436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2445ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2446c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2447996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2448ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2449eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2450b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2451b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2452fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2453e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 245486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 245586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 245686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24579d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2458211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2459996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2460996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 24611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 246916c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2470a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 247186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 24724121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 247386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 247486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 247586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 247686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 247786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 247886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 247986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 248086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 248116c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 248216c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 248386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 248486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 248586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 248686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 24874121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 248806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2492211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2493894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2494996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 24958b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 24968b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 24978b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 24988b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2499996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2500996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 25018b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 25028b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2503996e57c84368058be793897ebc355b917a59abc2Raph Levien } 25044ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25054ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 25064ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 25074ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 25085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 25094ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 25105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2511694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25123a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2513486590963e2207d68eebd6944fec70d50d41116aChet Haase 2514486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2515694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2516694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2517486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2518325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 251903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 252003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2521486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 252203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 252303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2524b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 252503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 252603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 252703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 252803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 252903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 253003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 253103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 253203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 253303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 25344121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 253503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 253603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 253703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 253803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 253903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 254003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 254103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 25429777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 254303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 254403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 254503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 25469777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 25474121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 25489777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25499777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 25509777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 255103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 25529777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 25539777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25549777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25559777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25579777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25589777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25599777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2561486590963e2207d68eebd6944fec70d50d41116aChet Haase 2562486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2563325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2564325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2565486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2566486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2567dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2568a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25697fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 257033f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2571fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2572486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 257322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25747fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25758b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 25768b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 25778b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 257801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2579486590963e2207d68eebd6944fec70d50d41116aChet Haase 2580486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 25817fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25827fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2583486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 258435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2585486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 25866c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25876c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 258835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 258935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 259035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 259135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 25924ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 259335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 259435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 259535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 259635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 259735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy bool debugLayerUpdate = false; 25982bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25992bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 26002bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 26012bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 26022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 26032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 26042bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 26052bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 26061271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 26072bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 260835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 260935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy resumeAfterLayer(); 26102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mSnapshot); 26112bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 26122bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 26132bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 26142bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 26152bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 26164ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26174ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 26182bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 26192bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 262035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.setScissorEnabled(!clip.contains(transformed)); 2621a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26226c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2623211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2624c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 262540667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2626c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2627d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2628d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase SkiaColorFilter *oldFilter = mColorFilter; 2629d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = layer->getColorFilter(); 2630c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2631c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2632c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 26338168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2634c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 26359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2636c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2637c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2638c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 26399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2640211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26414ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26424ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2644d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 26454ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 26464ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 26479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2648d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 26499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 26509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 26519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2652c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2653c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2654c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2655c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2656c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2657c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 26583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 2659d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = oldFilter; 2660d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 26613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2664c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 26654ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26664ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 26674ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 26684ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 26694ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2670f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2671486590963e2207d68eebd6944fec70d50d41116aChet Haase 2672486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26736c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2676d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2677d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2678d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2679d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 268006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 268106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 268206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 268306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 268406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 268506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2686fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 268706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26887fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 26897fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2690d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2691db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2692db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2693db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2694db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2695db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2696db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2697db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2698db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2699db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2700db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2701db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2702db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 27031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 27041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 27071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 27081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 27111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 27121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 27131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 27141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 27151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 27161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 27205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 27235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 27245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 27275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 27285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 27295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 27305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27325ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2733dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 27345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 27365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 27385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 27395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 27415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 27456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 27466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 274701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 274801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 274901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 275001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 275101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 275201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 275301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 275401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 275501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 275601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 275701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 275801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 275901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 276001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 276101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 276201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 276301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 276401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 276501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 276601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 276701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 276801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 276901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 277001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 277101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 277201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 277301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 277401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 277501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2776f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2786726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 27890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2790726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 27910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2793211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2794726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2795f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27978b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 27980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2799e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2800f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2801f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2802f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2803f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2804f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2805e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2806e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 28070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 28090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2810e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2811e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2812e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2813e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 28170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2818e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2819e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2820e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2821e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2823e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2824726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2825e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2826726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 28270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 28300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2831026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 28321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2833d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 283406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2835d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2836d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2837d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 283870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 283915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 28409c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 284170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 284270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 284370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 284470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 284570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 284670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 284770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 284870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 284970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2850c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2851c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2852c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2853c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 285482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28558164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 285682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 285782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 285882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 285982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2860d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2862211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2866d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2871d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 287685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 287785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2878bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2879a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2880a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 288103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2882f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2883f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2884f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2885a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28866820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28888694230ff25fa0a60e480d424843e56b718f0516Romain Guy 288970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 289070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 289170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 289270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 289370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 289470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 289570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 289670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2897db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 289970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 290003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 290170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2902db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 290386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 290470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 290570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 290670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2907db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 29086820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 290970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 291070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 291182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 291282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2913a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2914f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 291582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2916c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 291782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 291882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 291982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 292082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 292182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 292282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 292333fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 2924211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2925a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2926f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2927a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 292882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 292982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 293082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 293182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 293282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 293382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 293482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 293582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2936a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 293782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 293882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 293982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 294082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 294182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 294282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 294382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 294482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 294582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 294682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 294782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 294882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 294982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 295082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2951fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 295282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 295382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2954fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2955bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2956bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2957889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2958d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2959fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2960d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2961fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2963260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2965260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2966260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2967026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2968ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 296982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 297082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 297182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 297282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29755c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 2976be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 2977db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2978026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2979026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 29809d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2981e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2982