OpenGLRenderer.cpp revision 5536841e5452172e7772d84ad5f4a2fc7059c9dd
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> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 320fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 33a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 34e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 35e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 369d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 379d5316e3f56d138504565ff311145ac01621dff4Romain Guy 389d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy 42759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 43759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 45dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 46dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 489d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 499d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy 52889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 53889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 55889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 61026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 62026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 63026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 64026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 70026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 71026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 72026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 73026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 74026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 75026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 76026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 77e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 7887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 7987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 81f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 82f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 83f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 84f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 85f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 86f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 87f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 90f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 91f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 92f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 93f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 94f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 95f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 96889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 9706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_TEXTURE0, 9806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_TEXTURE1, 9906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_TEXTURE2 100d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 101d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 102f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 106fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 10706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 108db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 110026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 111ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 112ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 113ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 114e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 115e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 11729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 11829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 12608ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 127260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 128bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 129bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 131eb99356a0548684a501766e6a524529ab93304c8Romain Guy 132eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 133eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 134746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 135746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 136e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 137e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1386b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 139fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 140fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1418aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 1438fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 145fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 146fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 147d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy glDisable(GL_DITHER); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1496b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 150746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glDisable(GL_SCISSOR_TEST); 1516b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1526b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1536b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1550d200833fdc53f9796698f97c18cefc4a1b82df2Chet Haase glEnable(GL_SCISSOR_TEST); 1560d200833fdc53f9796698f97c18cefc4a1b82df2Chet Haase glScissor(0, 0, mWidth, mHeight); 157b82da65cb1601be504241f36778395cd6cb9f87bRomain Guy mSnapshot->setClip(0.0f, 0.0f, mWidth, mHeight); 158bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 160b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 161b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 162b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 163b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 164b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 165b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 166b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 167c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 168c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 169e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 170e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 171e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 172e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 173c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 174b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 175b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 176da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::acquireContext() { 177da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 178da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 179da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 180da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 181da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 182da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 18350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 184da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 185da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 186da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::releaseContext() { 187eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 188da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 189da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 190746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 192f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 193f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 194f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 0); 19503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 19650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 19750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 19850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 19950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 20050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 202da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 203f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 204f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 205f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 206f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2087ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 209bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 210bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 211bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 213bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 214bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 215bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2162542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2187ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 221bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2228fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 223bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2248fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2267ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 227bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 228bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2318fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 232bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 233bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 234bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 236bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 237eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 238bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 239bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2407ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 241bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 242eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 243eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 244eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 245eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 246eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 247eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2512542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 252746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 2538fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 2542542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 2555ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 2565ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 2575ec9924d24495822b589f1a17996655d66273b30Romain Guy } 2585ec9924d24495822b589f1a17996655d66273b30Romain Guy 2592542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 260d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 2615cbbce535744b89df5ecea95de21ee3733298260Romain Guy 262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 263bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 264bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 265bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 266bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 2675c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 268eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 269eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 270d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 271af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 272e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 273e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 274e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 275e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 276e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 277e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 278e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 279e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 280e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 281e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 282e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 283e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 284e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 285a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 286a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 287e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 288d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 289d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 290dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 291dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 292d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 293d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 294bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 295bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 296bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 297bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 2985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 2998aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3028aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3038aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 305d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 306bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3246b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3256b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3266b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3276b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 33287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 35287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 35387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 35487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 35587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 35687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 3571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 358d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 359eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 360eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 361eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 362fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 363dda570201ac851dd85af3861f7e575721d3345daRomain Guy 364eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 365eb99356a0548684a501766e6a524529ab93304c8Romain Guy 366f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 3678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 368ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (fboLayer) { 369ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // Clear the previous layer regions before we change the viewport 370ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clearLayerRegions(); 371ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 372eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 373ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 374eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 37558ae6db4ff8a9d0910e1183ee8be9a038a2712a6Romain Guy bounds.intersect(*snapshot->clipRect); 376ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 377ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // We cannot work with sub-pixels in this case 378ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy bounds.snapToPixelBoundaries(); 379ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy 380ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 381ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // need to make sure the layer does not extend outside the bounds 382ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // of the framebuffer 383ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy bounds.intersect(snapshot->previous->viewport); 384eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 385bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 386746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 387746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 38832963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 389dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 390e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 391dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 392dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 393dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 394af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 395b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 396b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 397dda570201ac851dd85af3861f7e575721d3345daRomain Guy 3985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 3998550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 400f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 401f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 402bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 403bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 404dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 405f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4078550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4088550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 409dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4108fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4118fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 412dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 414eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 416eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy 420ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (layer->empty) { 421ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 422ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 423ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy layer->empty = false; 424ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 425ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 426ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 427ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 428eb99356a0548684a501766e6a524529ab93304c8Romain Guy 429eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Enqueue the buffer coordinates to clear the corresponding region later 430eb99356a0548684a501766e6a524529ab93304c8Romain Guy mLayers.push(new Rect(bounds)); 431eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 432f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 433d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 434bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 435bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 4465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 4485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 4505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 4535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 4555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 4575ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 4585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 4605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 4615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 4625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy //snapshot->resetClip(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 4635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 4645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 4665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 4675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 4685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 4705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 4715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 4725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 4745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 4755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 4765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 4775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 4785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 4795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 4815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 4825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 4845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 4855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 4865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 4875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 4905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 4915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5171d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5181d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5191d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5201d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 523eb99356a0548684a501766e6a524529ab93304c8Romain Guy 524eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 525eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 526eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 527eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 528eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 532eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 533f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 537f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 538f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 53903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5408b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 541746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 545eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 548eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect, true); 551eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 5521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 553eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 554eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 555eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 556eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 557eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 558eb99356a0548684a501766e6a524529ab93304c8Romain Guy 559eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 560eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 561eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 562eb99356a0548684a501766e6a524529ab93304c8Romain Guy 563746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 564746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 565eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 5668550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 5671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 5681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 5691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 5701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 5721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 5875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy setupDraw(); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy ProgramDescription description; 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy description.hasTexture = true; 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool setColor = description.setColor(alpha, alpha, alpha, alpha); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy chooseBlending(layer->blend || layer->alpha < 255, layer->mode, description, false); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy useProgram(mCaches.programCache.get(description)); 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Texture 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bindTexture(layer->texture); 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), 0); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Always premultiplied 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (setColor) { 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.currentProgram->setColor(alpha, alpha, alpha, alpha); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mesh 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int texCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glEnableVertexAttribArray(texCoordsSlot); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mModelView.loadIdentity(); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy gMeshStride, &mesh[0].position[0]); 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glVertexAttribPointer(texCoordsSlot, 2, GL_FLOAT, GL_FALSE, 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy gMeshStride, &mesh[0].texture[0]); 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v1 = (rect.getHeight() - r->top) * texY; 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v2 = (rect.getHeight() - r->bottom) * texY; 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDisableVertexAttribArray(texCoordsSlot); 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t colors[] = { 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7fff0000, 0x7f00ff00, 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7f0000ff, 0x7fff00ff, 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy }; 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int offset = 0; 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int32_t top = rects[0].top; 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int i = 0; 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (top != rects[i].top) { 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy offset ^= 0x2; 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top = rects[i].top; 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy SkXfermode::kSrcOver_Mode); 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7268694230ff25fa0a60e480d424843e56b718f0516Romain Guyvoid OpenGLRenderer::clearLayerRegions() { 727af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mLayers.size() == 0 || mSnapshot->isIgnored()) return; 7288694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clipRect(*mSnapshot->clipRect); 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clipRect.snapToPixelBoundaries(); 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7328694230ff25fa0a60e480d424843e56b718f0516Romain Guy for (uint32_t i = 0; i < mLayers.size(); i++) { 7338694230ff25fa0a60e480d424843e56b718f0516Romain Guy Rect* bounds = mLayers.itemAt(i); 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (clipRect.intersects(*bounds)) { 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the framebuffer where the layer will draw 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(bounds->left, mSnapshot->height - bounds->bottom, 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds->getWidth(), bounds->getHeight()); 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Restore the clip 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7448694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7458694230ff25fa0a60e480d424843e56b718f0516Romain Guy delete bounds; 7468694230ff25fa0a60e480d424843e56b718f0516Romain Guy } 7478694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mLayers.clear(); 7498694230ff25fa0a60e480d424843e56b718f0516Romain Guy} 7508694230ff25fa0a60e480d424843e56b718f0516Romain Guy 751bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 752f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 753f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 754f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 755f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 757f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 758f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 759f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 761f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 762f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 763f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 765f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 766f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 767f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 7688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 769f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 770f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 77141030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 77299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 77399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 77499bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 77599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 77641030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 77741030da16856c8869e1e51d4a0405432fa96614eRomain Guy 778f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 7798aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 780f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 781f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 782f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 783e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 784e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 785e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 786e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 787f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 788f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 789f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 790f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 791f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 792f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 793bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 794e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 795e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 796eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 797746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 7989d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 7999d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8009d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 801079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 802bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 803bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 804c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 805af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 806dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 807dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 808dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8091d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 811d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 812d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 813d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 814d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 815d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 816d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 817c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 818c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 819079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 820079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 822746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8237ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 825e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 826e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 827f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 82870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 82970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 83070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 83170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 83270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy clearLayerRegions(); 83370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 83470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 83570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 83670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 83770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 83870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 83970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 84070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 84170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 84670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 84770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 84870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 84970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 85070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = ((color >> 24) & 0xFF) / 255.0f; 85170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 85270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF); 85370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF); 85470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = mColorA * ((color ) & 0xFF); 85570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 85670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 85770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 85870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 85970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 86070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 86170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 86270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 86370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 86470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 86570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 86670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 86870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 87070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 87270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 87370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 87470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 87570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 87670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 87770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 87870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 87970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 88070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 88170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 88270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 88370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 88470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 88570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 88670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 88770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 88870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 88970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 89170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 89270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 89370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 89570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 89670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 89770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 89970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 90070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 90270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 91470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 92270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 92370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 92470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 92570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 9285536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 92970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 93070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 93170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 93270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9335536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guyvoid OpenGLRenderer::setupDrawColorAlphaUniforms() { 9345536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 9355536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy mCaches.currentProgram->setColor(mColorA, mColorA, mColorA, mColorA); 9365536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 9375536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 9385536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 94270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 94370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 94570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 95170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 95270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 95770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 95870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 97570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 984f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 985f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 986f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 9870fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyvoid OpenGLRenderer::drawDisplayList(DisplayList* displayList) { 9880fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 9890fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 9900fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 9910fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy displayList->replay(*this); 9920fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 9930fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 9940fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 9955c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 9966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 9976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 9986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 9996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 10006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 100361c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy glActiveTexture(GL_TEXTURE0); 10048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10059cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 100622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 100722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 10098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 10108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10115c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1012f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1013f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1014f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1015f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 10176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 102061c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy glActiveTexture(GL_TEXTURE0); 10218164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10229cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 102322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 102422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 10265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 10275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 10285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 10295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 10305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1031f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1032f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 10348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 10358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 10365c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 10376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 10386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1041746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 10428164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10439cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 104422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 10458164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 10468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 10488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1049c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 10508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 10518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 10528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 10538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1054c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 105503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 10578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 105803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 105903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 106003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 106103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 10626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 10636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 10646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 10656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 10666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 10676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 10686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 10696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 10706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 10716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 10726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 10736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 10746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 10758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1077ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1078ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 10794aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 10804bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 10815c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 10826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 10836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1086746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 10878164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10889cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 108922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 10908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1091f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1092f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1093f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1094f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1095f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 10962728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 10974bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1098f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1099a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 11006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1101a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 11025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 11035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && 11045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region && mesh->hasEmptyQuads) { 11055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 11065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 11078ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 11086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(bounds.left + 0.5f); 11106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(bounds.top + 0.5f); 11118ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 11126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 11156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1119a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 11205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 11236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 11246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 11266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 11286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 11316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 11336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1135054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1136f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1137f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11385c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 11397f78b0c3ae6222b39f6240524390de9764f21764Romain Guy // TODO: Should do quickReject for each line 1140af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1141dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1142a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1143a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 1144a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // A stroke width of 0 has a special meaningin Skia: 1145a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // it draws an unscaled 1px wide line 1146a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1147a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 11487f78b0c3ae6222b39f6240524390de9764f21764Romain Guy setupDraw(); 11497f78b0c3ae6222b39f6240524390de9764f21764Romain Guy 1150759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1151759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1152759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1153759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1154759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy uint32_t color = paint->getColor(); 1155759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy const GLfloat a = alpha / 255.0f; 1156759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 1157759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 1158759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 1159759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1160a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Used only with AA lines 1161a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy GLuint textureUnit = 0; 1162a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1163a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Describe the required shaders 1164a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy ProgramDescription description; 1165a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool setColor = description.setColor(r, g, b, a); 1166a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1167a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (mShader) { 1168a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy mShader->describe(description, mCaches.extensions); 1169a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1170a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (mColorFilter) { 1171a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy mColorFilter->describe(description, mCaches.extensions); 1172c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy } 1173c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1174a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Setup the blending mode 1175a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy chooseBlending(a < 1.0f || (mShader && mShader->blend()), mode, description); 1176759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1177a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // We're not drawing with VBOs here 1178a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy mCaches.unbindMeshBuffer(); 1179759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1180a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy int verticesCount = count >> 2; 1181a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1182a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA needs more vertices 1183a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 6; 1184a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1185a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA will be different 1186a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 2; 1187a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1188759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1189a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex lines[verticesCount]; 1190a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex* vertex = &lines[0]; 1191759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1192a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 1193a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy gMeshStride, vertex); 1194759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1195a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Build and use the appropriate shader 1196a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy useProgram(mCaches.programCache.get(description)); 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 1198a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1199a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!mShader || (mShader && setColor)) { 1200a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy mCaches.currentProgram->setColor(r, g, b, a); 1201a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1202759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1203a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (mShader) { 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &textureUnit); 1205a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1206a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (mColorFilter) { 1207a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 1208759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy } 1209759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1210a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1211a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1212a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1213a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // a = start point, b = end point 1214a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 a(points[i], points[i + 1]); 1215a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 b(points[i + 2], points[i + 3]); 1216a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1217a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Bias to snap to the same pixels as Skia 1218a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy a += 0.375; 1219a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy b += 0.375; 1220a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1221a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Find the normal to the line 1222a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 n = (b - a).copyNormalized() * strokeWidth; 1223a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy float x = n.x; 1224a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.x = -n.y; 1225a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.y = x; 1226a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1227a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Four corners of the rectangle defining a thick line 1228a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p1 = a - n; 1229a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p2 = a + n; 1230a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p3 = b + n; 1231a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p4 = b - n; 1232a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1233a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Draw the line as 2 triangles, could be optimized 1234a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // by using only 4 vertices and the correct indices 1235a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Also we should probably used non textured vertices 1236a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // when line AA is disabled to save on bandwidth 1237a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 1238a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p2.x, p2.y, 0.0f, 0.0f); 1239a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 1240a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 1241a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 1242a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p4.x, p4.y, 0.0f, 0.0f); 1243a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1244a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Mark the dirty regions when RENDER_LAYERS_AS_REGIONS is set 1245a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1246a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1247a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // GL_LINE does not give the result we want to match Skia 1248a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glDrawArrays(GL_TRIANGLES, 0, verticesCount); 1249a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1250a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1251a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1252a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1253a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, points[i + 2], points[i + 3], 0.0f, 0.0f); 1254a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1255a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glLineWidth(1.0f); 1256a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glDrawArrays(GL_LINES, 0, verticesCount); 125729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1258759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1259759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 126085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1261e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1262af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1263e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1264ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1265ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 126670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12673d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1268c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 12699d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12705c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 12716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1275026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1276746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1277a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1278a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1279a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1280a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1281a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1282a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1283a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1284026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1285026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1286026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 1287026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 1288026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1289d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 1290026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 1291026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1292026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1293026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1294c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 12959d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1296e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1297e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1298f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (text == NULL || count == 0 || (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 1299e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1300e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1301af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1302e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1303f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1304e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1305a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1306e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1307e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1308e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1309e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1310e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1311e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1312e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1313e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1314e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1315e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1316e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1317e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1318e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 13196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // TODO: Handle paint->getTextScaleX() 13203a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 13213a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 13226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 13236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 13246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 13256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 13266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1328694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int alpha; 1329694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy SkXfermode::Mode mode; 1330694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1331694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 13322542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy uint32_t color = paint->getColor(); 13332542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat a = alpha / 255.0f; 13342542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 13352542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 13362542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 13372542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 1338b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1339b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1340fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1341e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1342746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy setupDraw(); 13439d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 13441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 13451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy glActiveTexture(gTextureUnits[0]); 1346b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1347fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 13481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 13491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 13500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 13516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy setupShadow(shadow, x, y, mode, a, pureTranslate); 13520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 13530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Draw the mesh 13540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1355fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 13561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 13571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 135806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint textureUnit = 0; 1359db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 136006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 13616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 13626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 13636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 13646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 13656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Dimensions are set to (0,0), the layer (if any) won't be dirtied 1368e8cb9c14309b0f01c0159efdf9a7198f44a62642Romain Guy setupTextureAlpha8(fontRenderer.getTexture(linearFilter), 0, 0, textureUnit, 13696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x, y, r, g, b, a, mode, false, true, NULL, NULL, 0, pureTranslate); 137006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 13716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 13725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 13735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 13755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 13765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 13775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = false; 13785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 13799d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 138003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 13816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 13825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy hasLayer ? &bounds : NULL)) { 13835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 13845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (hasLayer) { 13856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 13866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 13876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 13895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 13905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 13925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 13935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 13955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1396694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1397694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1398fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1399a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 14003a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1401694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1402694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 14037fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1404af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1405dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14067fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy GLuint textureUnit = 0; 14077fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 14087fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1409fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 14109cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 141122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14127fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14138b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 14148b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 14158b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14168b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 14178b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy return; 14188b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 14198b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14207fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy int alpha; 14217fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy SkXfermode::Mode mode; 14227fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy getAlphaAndMode(paint, &alpha, &mode); 14237fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14247fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy uint32_t color = paint->getColor(); 14257fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat a = alpha / 255.0f; 14267fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 14277fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 14287fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 14297fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy setupTextureAlpha8(texture, textureUnit, x, y, r, g, b, a, mode, true, true); 14310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1432746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy setupDraw(); 14338694230ff25fa0a60e480d424843e56b718f0516Romain Guy 14340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Draw the mesh 14350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1436fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 14377fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 14387fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1440d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1441d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1442d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1443d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 144406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 144506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 144606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 144706f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 144806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 144906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1450fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 145106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 14527fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 14537fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1454d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1455db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1456db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1457db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1458db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1459db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1460db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1461db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1462db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1463db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1464db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1465db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1466db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 14671e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 14681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 14691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 14701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 14711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 14721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 14731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 14741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 14751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 14761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 14771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 14781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 14791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 14801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 14811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 14821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 14836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 14846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 14856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::setupShadow(const ShadowTexture* texture, float x, float y, 14876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy SkXfermode::Mode mode, float alpha, bool ignoreTransforms) { 14880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const float sx = x - texture->left + mShadowDx; 14890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const float sy = y - texture->top + mShadowDy; 14900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 14912542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 14922542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat a = shadowAlpha < 255 ? shadowAlpha / 255.0f : alpha; 14930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const GLfloat r = a * ((mShadowColor >> 16) & 0xFF) / 255.0f; 14940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const GLfloat g = a * ((mShadowColor >> 8) & 0xFF) / 255.0f; 14950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const GLfloat b = a * ((mShadowColor ) & 0xFF) / 255.0f; 14960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 14970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint textureUnit = 0; 14986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy setupTextureAlpha8(texture->id, texture->width, texture->height, textureUnit, 14996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy sx, sy, r, g, b, a, mode, true, false, 15006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 0, ignoreTransforms); 15010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 15020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::setupTextureAlpha8(const Texture* texture, GLuint& textureUnit, 15040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, float r, float g, float b, float a, SkXfermode::Mode mode, 15050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bool transforms, bool applyFilters) { 15060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy setupTextureAlpha8(texture->id, texture->width, texture->height, textureUnit, 1507759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy x, y, r, g, b, a, mode, transforms, applyFilters, 150803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) 0, (GLvoid*) gMeshTextureOffset); 15090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 15100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 15120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 15130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters) { 151403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy setupTextureAlpha8(texture, width, height, textureUnit, x, y, r, g, b, a, mode, 151503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy transforms, applyFilters, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset); 1516759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1517759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1518759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guyvoid OpenGLRenderer::setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 1519759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 1520759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters, 15216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GLvoid* vertices, GLvoid* texCoords, GLuint vbo, bool ignoreTransform) { 15220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Describe the required shaders 15230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy ProgramDescription description; 15240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy description.hasTexture = true; 15250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy description.hasAlpha8Texture = true; 1526707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy const bool setColor = description.setAlpha8Color(r, g, b, a); 15270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (applyFilters) { 15290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mShader) { 1530746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mShader->describe(description, mCaches.extensions); 15310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mColorFilter) { 1533746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mColorFilter->describe(description, mCaches.extensions); 15340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1537a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Setup the blending mode 1538a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy chooseBlending(true, mode, description); 1539a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 15400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Build and use the appropriate shader 1541fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy useProgram(mCaches.programCache.get(description)); 15420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1543746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bindTexture(texture); 1544fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), textureUnit); 15450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1546fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy int texCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 15470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glEnableVertexAttribArray(texCoordsSlot); 15480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 154903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy if (texCoords) { 155003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy // Setup attributes 155103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy if (!vertices) { 155203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 155303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 155403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 155503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } 155603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 155703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy gMeshStride, vertices); 155803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glVertexAttribPointer(texCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 155903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } 15600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Setup uniforms 15620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (transforms) { 15630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mModelView.loadTranslate(x, y, 0.0f); 15640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mModelView.scale(width, height, 1.0f); 15650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } else { 15660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mModelView.loadIdentity(); 15670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mat4 t; 15706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!ignoreTransform) { 15716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy t.load(*mSnapshot->transform); 15726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 15746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, t); 15755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (width > 0 && height > 0) { 15766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy dirtyLayer(x, y, x + width, y + height, t); 15775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1579707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy if (setColor) { 1580707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy mCaches.currentProgram->setColor(r, g, b, a); 1581707b2f78ccaa09965d7e030fda3a883ce9b75ea8Romain Guy } 15820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy textureUnit++; 15840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (applyFilters) { 15850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Setup attributes and uniforms required by the shaders 15860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mShader) { 15876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (ignoreTransform) { 15886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 15896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1590fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &textureUnit); 15910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mColorFilter) { 1593fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 15940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 15970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1598f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 15990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 16000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 16010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 16020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 16040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 16050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 16060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 16070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 16080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 16090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 16100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 16110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 16120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 16150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 16160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 16170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 16180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 16190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 16200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 16210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 16220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 16230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 16240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 1627e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 1628e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float strokeWidth = textSize * kStdUnderline_Thickness; 16290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1630e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 16310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 1632e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1633e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const int pointsCount = 4 * (flags & SkPaint::kStrikeThruText_Flag ? 2 : 1); 1634e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 1635e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 16360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 16380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 1639e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1640e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1641e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1642e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 16430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 16460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 1647e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1648e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1649e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1650e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 16510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 1652e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1653e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 1654e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 1655e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1656e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 16570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 16600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1661026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 16621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 1663d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 166406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1665d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 1666d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 1667d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 166870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 166970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 167070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 167170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 167270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 167470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 167670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 1679c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1680c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1681c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 1682c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 168382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 16848164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 168582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 168682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 168782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 168882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 16898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 16908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 16916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 16926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 16966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 16976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 16986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 17006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 17016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 17026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 170385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 170485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1705bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 1706a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 1707a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 170803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 1709f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1710f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1711f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 1712a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 17136820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 17145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 17158694230ff25fa0a60e480d424843e56b718f0516Romain Guy 171670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 171770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 171870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 171970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 172070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 172170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 172270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 172370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 1724db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 17255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 172670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 172703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 1729db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 17305536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy setupDrawColorAlphaUniforms(); 173170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 173270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 173370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 1734db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 17356820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 173670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 173882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 173982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1740a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 1741f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 174282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 174382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 1744a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 1745a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 1746a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 1747a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 174882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1749f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 1750f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 175182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1752a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 1753a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 1754a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 1755a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 1756a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1757a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1758a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 1759a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 1760a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 1761746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 1762a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 1763f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 1764a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1765a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1766a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 1767a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 1768a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1769a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 177082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1771fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 177282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 177382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1774fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 1775bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 1776bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1777889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 1778d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 1779fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 1780d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 1781fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 17826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 1783260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 17846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 1785260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 1786260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 1787026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 1788ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 178982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 179082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 179182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 179282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 17938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 17948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17955c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 17968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 1797746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1798a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 1799a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1800a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1801a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 1802a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1803a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1804a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 18058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 18068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 18088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 18098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 18108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 18118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 18128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 18138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 18148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 18158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 18168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 18178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 1818026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 1819026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1820a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 1821a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 1822a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 1823a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1824a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 1825a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 1826a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1827746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 18288164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 18298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 18308164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 18318164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 18328164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 18338164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 18348164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 18358164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 18363e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 18373e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 18383e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 18398164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 18408164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 18418164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 1842a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 1843a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 18449d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1845e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1846