16c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/* 26c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * Copyright (C) 2011 The Android Open Source Project 36c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * 46c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 56c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * you may not use this file except in compliance with the License. 66c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * You may obtain a copy of the License at 76c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * 86c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 96c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * 106c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * Unless required by applicable law or agreed to in writing, software 116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 126c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * See the License for the specific language governing permissions and 146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy * limitations under the License. 156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy */ 166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy#include "LayerCache.h" 186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy#include "LayerRenderer.h" 19aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy#include "Matrix.h" 201fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy#include "Properties.h" 213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#include "Rect.h" 2265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include "renderstate/RenderState.h" 235686bae28926dae6e4b4d380d75d18e77335c9d3Chris Craik#include "utils/GLUtils.h" 2470850ea258cbf91477efa57a1f1a23cc0044cc93Chris Craik#include "utils/TraceUtils.h" 256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2665fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <ui/Rect.h> 2765fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 2865fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik#include <private/hwui/DrawGlInfo.h> 2965fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 3065fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 316c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace android { 326c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace uirenderer { 336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy// Rendering 366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 383b20251a355c88193c439f928a84ae69483fb488John ReckLayerRenderer::LayerRenderer(RenderState& renderState, Layer* layer) 393b20251a355c88193c439f928a84ae69483fb488John Reck : OpenGLRenderer(renderState) 403b20251a355c88193c439f928a84ae69483fb488John Reck , mLayer(layer) { 417953745dd565167113f8cbfc461bc0521d32d870Romain Guy} 427953745dd565167113f8cbfc461bc0521d32d870Romain Guy 437953745dd565167113f8cbfc461bc0521d32d870Romain GuyLayerRenderer::~LayerRenderer() { 447953745dd565167113f8cbfc461bc0521d32d870Romain Guy} 457953745dd565167113f8cbfc461bc0521d32d870Romain Guy 46107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid LayerRenderer::prepareDirty(float left, float top, float right, float bottom, 477c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy bool opaque) { 489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Rendering into layer, fbo = %d", mLayer->getFbo()); 491fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 5065fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.bindFramebuffer(mLayer->getFbo()); 5162687ec12cb8e0b1d4044a235b1387b9a8c3b4b4Romain Guy 5209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float width = mLayer->layer.getWidth(); 5309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float height = mLayer->layer.getHeight(); 5409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect dirty(left, top, right, bottom); 563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (dirty.isEmpty() || (dirty.left <= 0 && dirty.top <= 0 && 5709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.right >= width && dirty.bottom >= height)) { 583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.clear(); 5909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.set(0.0f, 0.0f, width, height); 603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } else { 6109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.intersect(0.0f, 0.0f, width, height); 623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy android::Rect r(dirty.left, dirty.top, dirty.right, dirty.bottom); 633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.subtractSelf(r); 643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 65c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mLayer->clipRect.set(dirty); 66c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 67107843de4507b3511006cb9c77b8d0364374385aTom Hudson OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque); 686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 70107843de4507b3511006cb9c77b8d0364374385aTom Hudsonvoid LayerRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 717c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy if (mLayer->isDirty()) { 7265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().setEnabled(false); 737c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy glClear(GL_COLOR_BUFFER_BIT); 747c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 7565fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik mRenderState.scissor().reset(); 767c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mLayer->setDirty(false); 77107843de4507b3511006cb9c77b8d0364374385aTom Hudson } else { 78107843de4507b3511006cb9c77b8d0364374385aTom Hudson OpenGLRenderer::clear(left, top, right, bottom, opaque); 797c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy } 807c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 817c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 82107843de4507b3511006cb9c77b8d0364374385aTom Hudsonbool LayerRenderer::finish() { 83107843de4507b3511006cb9c77b8d0364374385aTom Hudson bool retval = OpenGLRenderer::finish(); 841fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 85f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy generateMesh(); 86f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Finished rendering into layer, fbo = %d", mLayer->getFbo()); 8842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 8942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // No need to unbind our FBO, this will be taken care of by the caller 9042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // who will invoke OpenGLRenderer::resume() 91107843de4507b3511006cb9c77b8d0364374385aTom Hudson return retval; 9242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy} 9342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 946b109c74982033d4a220cd10a0eab8b024b351c9Chris CraikGLuint LayerRenderer::getTargetFbo() const { 959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return mLayer->getFbo(); 966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 976c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 98624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guybool LayerRenderer::suppressErrorChecks() const { 9911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 10011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 10111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy// Layer support 104f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 106624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guybool LayerRenderer::hasLayer() const { 107f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return true; 108f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid LayerRenderer::ensureStencilBuffer() { 1118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mLayer); 1128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy/////////////////////////////////////////////////////////////////////////////// 1158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy// Dirty region tracking 1168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy/////////////////////////////////////////////////////////////////////////////// 1178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 118624234f69b2a4781d24f3e4c6ae6450729e38397Romain GuyRegion* LayerRenderer::getRegion() const { 119984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson if (mState.currentFlags() & Snapshot::kFlagFboTarget) { 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 123f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1256c5b9be7450903762f676522c32d65f7545730dfChris Craik// TODO: This implementation uses a very simple approach to fixing T-junctions which keeps the 1266c5b9be7450903762f676522c32d65f7545730dfChris Craik// results as rectangles, and is thus not necessarily efficient in the geometry 1276c5b9be7450903762f676522c32d65f7545730dfChris Craik// produced. Eventually, it may be better to develop triangle-based mechanism. 128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guyvoid LayerRenderer::generateMesh() { 129f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 13196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy delete[] mLayer->mesh; 132d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik mLayer->mesh = nullptr; 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 13540667676e542a9daeafeac9904c30004e8706fd3Romain Guy 1369fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy mLayer->setRegionAsRect(); 137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 139f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1406c5b9be7450903762f676522c32d65f7545730dfChris Craik // avoid T-junctions as they cause artifacts in between the resultant 1416c5b9be7450903762f676522c32d65f7545730dfChris Craik // geometry when complex transforms occur. 1426c5b9be7450903762f676522c32d65f7545730dfChris Craik // TODO: generate the safeRegion only if necessary based on drawing transform (see 1436c5b9be7450903762f676522c32d65f7545730dfChris Craik // OpenGLRenderer::composeLayerRegion()) 1446c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion = Region::createTJunctionFreeRegion(mLayer->region); 1456c5b9be7450903762f676522c32d65f7545730dfChris Craik 146f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 1476c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects = safeRegion.getArray(&count); 148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 15296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy delete[] mLayer->mesh; 153d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik mLayer->mesh = nullptr; 154f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1594f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 160f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(mLayer->getWidth()); 1629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(mLayer->getHeight()); 163f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 167f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 168f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 169f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 170f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 171f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 174f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 175f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 176f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 177f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 180f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 181f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 182f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 183f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 1846c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1863b20251a355c88193c439f928a84ae69483fb488John ReckLayer* LayerRenderer::createRenderLayer(RenderState& renderState, uint32_t width, uint32_t height) { 18770850ea258cbf91477efa57a1f1a23cc0044cc93Chris Craik ATRACE_FORMAT("Allocate %ux%u HW Layer", width, height); 188eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height); 1891fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 190a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches& caches = Caches::getInstance(); 191a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy GLuint fbo = caches.fboCache.get(); 19209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 1938564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 194d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik return nullptr; 1951fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 1961fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 19744eb2c00861098dd3e2950d923646814b4cc57c2Chris Craik caches.textureState().activateTexture(0); 1983b20251a355c88193c439f928a84ae69483fb488John Reck Layer* layer = caches.layerCache.get(renderState, width, height); 19909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 2008564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain a layer"); 201d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik return nullptr; 20209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2036c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 204ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy // We first obtain a layer before comparing against the max texture size 205ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy // because layers are not allocated at the exact desired size. They are 206ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy // always created slighly larger to improve recycling 207ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy const uint32_t maxTextureSize = caches.maxTextureSize; 208ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy if (layer->getWidth() > maxTextureSize || layer->getHeight() > maxTextureSize) { 209ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy ALOGW("Layer exceeds max. dimensions supported by the GPU (%dx%d, max=%dx%d)", 210ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy width, height, maxTextureSize, maxTextureSize); 211ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy 212ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy // Creating a new layer always increment its refcount by 1, this allows 213ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy // us to destroy the layer object if one was created for us 214d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik layer->decStrong(nullptr); 215ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy 216d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik return nullptr; 217ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy } 218ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy 2199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 22009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 2239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 224d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik layer->setColorFilter(nullptr); 2257c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(true); 22609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 2276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2283b20251a355c88193c439f928a84ae69483fb488John Reck GLuint previousFbo = renderState.getFramebuffer(); 2296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2303b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(layer->getFbo()); 2319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 2326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 2349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 2359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 2360908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 2376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 238ce4a7dfc516ee61301e9af91fad17ca1320efaabRomain Guy // This should only happen if we run out of memory 2395686bae28926dae6e4b4d380d75d18e77335c9d3Chris Craik if (CC_UNLIKELY(GLUtils::dumpGLErrors())) { 2405686bae28926dae6e4b4d380d75d18e77335c9d3Chris Craik LOG_ALWAYS_FATAL("Could not allocate texture for layer (fbo=%d %dx%d)", 2415686bae28926dae6e4b4d380d75d18e77335c9d3Chris Craik fbo, width, height); 2423b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(previousFbo); 243d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik layer->decStrong(nullptr); 244d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik return nullptr; 24509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2476c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2486c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 249f27133df2d179c99d6bc1ae644af09e9153a0071Chris Craik layer->getTextureId(), 0); 2506c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2513b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(previousFbo); 2526c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 253ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2556c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 256ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 257ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 2589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->getFbo(), width, height); 2591fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 2602055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy if (layer->resize(width, height)) { 26109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 26409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 265ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 266ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 267ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 26809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 269ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2723b20251a355c88193c439f928a84ae69483fb488John ReckLayer* LayerRenderer::createTextureLayer(RenderState& renderState) { 2734a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 2744a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2758a226d24b8b2fde4c855d0051cb7bfc5b5813c36Chris Craik Layer* layer = new Layer(Layer::kType_Texture, renderState, 0, 0); 2769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setCacheable(false); 2774a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 278a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f); 2794a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->region.clear(); 2809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer() 2814a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 28244eb2c00861098dd3e2950d923646814b4cc57c2Chris Craik Caches::getInstance().textureState().activateTexture(0); 2839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->generateTexture(); 2844a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2854a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy return layer; 2864a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 2874a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 288aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 2899757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik bool isOpaque, bool forceFilter, GLenum renderTarget, float* textureTransform) { 290aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 2919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2929757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik layer->setForceFilter(forceFilter); 2939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setSize(width, height); 294aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, width, height); 295aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.set(width, height); 296aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->regionRect.set(0.0f, 0.0f, width, height); 2979757ac0b9d62f6aea5e47cfb375f445c78bb7897Chris Craik layer->getTexTransform().load(textureTransform); 2988f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (renderTarget != layer->getRenderTarget()) { 3009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(renderTarget); 3019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 302d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, false, true); 303d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setWrap(GL_CLAMP_TO_EDGE, false, true); 3044a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy } 305aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 306aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 307aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 308ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 309ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 31070850ea258cbf91477efa57a1f1a23cc0044cc93Chris Craik ATRACE_FORMAT("Destroy %ux%u HW Layer", layer->getWidth(), layer->getHeight()); 311eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d", 312eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy layer->getWidth(), layer->getHeight(), layer->getFbo()); 313ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 31409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 315eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Destroyed!"); 316d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik layer->decStrong(nullptr); 31709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 318eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Cached!"); 31965b345fa22b878e141b8fd8ece9c208df00fa40fRomain Guy#if DEBUG_LAYER_RENDERER 320eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy Caches::getInstance().layerCache.dump(); 321eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy#endif 32298d3a64ffa13596e3ea9125bbff40c51ec96bd8dChet Haase layer->removeFbo(); 32309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 32409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 325ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3283b20251a355c88193c439f928a84ae69483fb488John Reckvoid LayerRenderer::flushLayer(RenderState& renderState, Layer* layer) { 3299c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#ifdef GL_EXT_discard_framebuffer 3301fa4cef34a8ac07e2ef15f2fef3dcfe520848c8dDigish Pandya if (!layer) return; 3311fa4cef34a8ac07e2ef15f2fef3dcfe520848c8dDigish Pandya 3329c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 3331fa4cef34a8ac07e2ef15f2fef3dcfe520848c8dDigish Pandya if (fbo) { 3349c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // If possible, discard any enqueud operations on deferred 3359c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // rendering architectures 336117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris Craik if (Caches::getInstance().extensions().hasDiscardFramebuffer()) { 3373b20251a355c88193c439f928a84ae69483fb488John Reck GLuint previousFbo = renderState.getFramebuffer(); 3383b20251a355c88193c439f928a84ae69483fb488John Reck if (fbo != previousFbo) { 3393b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(fbo); 3403b20251a355c88193c439f928a84ae69483fb488John Reck } 34145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 34245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { GL_COLOR_ATTACHMENT0 }; 34345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 3449c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3453b20251a355c88193c439f928a84ae69483fb488John Reck if (fbo != previousFbo) { 3463b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(previousFbo); 3473b20251a355c88193c439f928a84ae69483fb488John Reck } 3489c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3499c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3509c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#endif 3519c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy} 3529c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3533b20251a355c88193c439f928a84ae69483fb488John Reckbool LayerRenderer::copyLayer(RenderState& renderState, Layer* layer, SkBitmap* bitmap) { 35477a811610f99e21da7f88dafef60d09f345d0506Romain Guy Caches& caches = Caches::getInstance(); 35526bf34200e40a0fa8c66366559aa016380cd8c6fChris Craik if (layer 35626bf34200e40a0fa8c66366559aa016380cd8c6fChris Craik && bitmap->width() <= caches.maxTextureSize 35726bf34200e40a0fa8c66366559aa016380cd8c6fChris Craik && bitmap->height() <= caches.maxTextureSize) { 35877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 35977a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint fbo = caches.fboCache.get(); 36077a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (!fbo) { 3618564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 36277a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 36377a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 36477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 365d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkAutoLockPixels alp(*bitmap); 366d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 36777a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint texture; 36877a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint previousFbo; 3693b20251a355c88193c439f928a84ae69483fb488John Reck GLsizei previousViewportWidth; 3703b20251a355c88193c439f928a84ae69483fb488John Reck GLsizei previousViewportHeight; 37177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 37277a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum format; 37377a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum type; 37477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 375d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy GLenum error = GL_NO_ERROR; 376d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bool status = false; 377d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 3781103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed switch (bitmap->colorType()) { 3791103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed case kAlpha_8_SkColorType: 38077a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_ALPHA; 38177a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 38277a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 3831103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed case kRGB_565_SkColorType: 38477a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGB; 38577a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_5_6_5; 38677a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 3871103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed case kARGB_4444_SkColorType: 38877a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 38977a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_4_4_4_4; 39077a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 3911103b3255945d2eb2fa9c191e84e2270b343cca9Mike Reed case kN32_SkColorType: 39277a811610f99e21da7f88dafef60d09f345d0506Romain Guy default: 39377a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 39477a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 39577a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 39677a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 39777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 3989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha(); 3999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy SkXfermode::Mode mode = layer->getMode(); 400710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousLayerFbo = layer->getFbo(); 401d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 4029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrc_Mode); 4039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 404d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 4053b20251a355c88193c439f928a84ae69483fb488John Reck previousFbo = renderState.getFramebuffer(); 4063b20251a355c88193c439f928a84ae69483fb488John Reck renderState.getViewport(&previousViewportWidth, &previousViewportHeight); 4073b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(fbo); 40877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 40977a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGenTextures(1, &texture); 410d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 41177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 41244eb2c00861098dd3e2950d923646814b4cc57c2Chris Craik caches.textureState().activateTexture(0); 41344eb2c00861098dd3e2950d923646814b4cc57c2Chris Craik caches.textureState().bindTexture(texture); 41477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 415e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy glPixelStorei(GL_PACK_ALIGNMENT, bitmap->bytesPerPixel()); 416e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy 417ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 418ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 41977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 42077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 42177a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 42277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 42377a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, format, bitmap->width(), bitmap->height(), 424d41c4d8c732095ae99c955b6b82f7306633004b1Chris Craik 0, format, type, nullptr); 425d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 426d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 42777a811610f99e21da7f88dafef60d09f345d0506Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 42877a811610f99e21da7f88dafef60d09f345d0506Romain Guy GL_TEXTURE_2D, texture, 0); 429d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 43077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 431d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 4323b20251a355c88193c439f928a84ae69483fb488John Reck LayerRenderer renderer(renderState, layer); 433d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.setViewport(bitmap->width(), bitmap->height()); 434d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.OpenGLRenderer::prepareDirty(0.0f, 0.0f, 4359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bitmap->width(), bitmap->height(), !layer->isBlend()); 436a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 43765fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik renderState.scissor().setEnabled(false); 438a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.translate(0.0f, bitmap->height()); 439a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.scale(1.0f, -1.0f); 440a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 441d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 44277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 443d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 444d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy Rect bounds; 445d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bounds.set(0.0f, 0.0f, bitmap->width(), bitmap->height()); 446d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.drawTextureLayer(layer, bounds); 44777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 448d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy glReadPixels(0, 0, bitmap->width(), bitmap->height(), format, 449d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy type, bitmap->getPixels()); 45077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 451d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 452d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 45377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 454d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy status = true; 455d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 45677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 457d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guyerror: 458d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#if DEBUG_OPENGL 459d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if (error != GL_NO_ERROR) { 4605baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error while copying layer into bitmap = 0x%x", error); 461d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 462d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#endif 46377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 4643b20251a355c88193c439f928a84ae69483fb488John Reck renderState.bindFramebuffer(previousFbo); 4659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 466710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik layer->setFbo(previousLayerFbo); 46744eb2c00861098dd3e2950d923646814b4cc57c2Chris Craik caches.textureState().deleteTexture(texture); 46877a811610f99e21da7f88dafef60d09f345d0506Romain Guy caches.fboCache.put(fbo); 4693b20251a355c88193c439f928a84ae69483fb488John Reck renderState.setViewport(previousViewportWidth, previousViewportHeight); 47077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 471d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy return status; 47277a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 47377a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 47477a811610f99e21da7f88dafef60d09f345d0506Romain Guy} 47577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 4766c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 4776c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 478