LayerRenderer.cpp revision 6c5b9be7450903762f676522c32d65f7545730df
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 176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy#define LOG_TAG "OpenGLRenderer" 186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#include <ui/Rect.h> 203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 217c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy#include <private/hwui/DrawGlInfo.h> 227c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 2309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy#include "LayerCache.h" 246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy#include "LayerRenderer.h" 25aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy#include "Matrix.h" 261fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy#include "Properties.h" 273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#include "Rect.h" 286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 296c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace android { 306c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace uirenderer { 316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy// Rendering 346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 367953745dd565167113f8cbfc461bc0521d32d870Romain GuyLayerRenderer::LayerRenderer(Layer* layer): mLayer(layer) { 377953745dd565167113f8cbfc461bc0521d32d870Romain Guy} 387953745dd565167113f8cbfc461bc0521d32d870Romain Guy 397953745dd565167113f8cbfc461bc0521d32d870Romain GuyLayerRenderer::~LayerRenderer() { 407953745dd565167113f8cbfc461bc0521d32d870Romain Guy} 417953745dd565167113f8cbfc461bc0521d32d870Romain Guy 4235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid LayerRenderer::setViewport(int width, int height) { 4335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 4435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 4535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 467c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t 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 509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 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 6744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque); 686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 707c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t LayerRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 717c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy if (mLayer->isDirty()) { 727c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy getCaches().disableScissor(); 737c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy glClear(GL_COLOR_BUFFER_BIT); 747c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 757c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy getCaches().resetScissor(); 767c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mLayer->setDirty(false); 777c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 787c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return DrawGlInfo::kStatusDone; 797c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy } 807c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 817c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return OpenGLRenderer::clear(left, top, right, bottom, opaque); 827c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 837c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 846c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid LayerRenderer::finish() { 856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy OpenGLRenderer::finish(); 861fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 87f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy generateMesh(); 88f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Finished rendering into layer, fbo = %d", mLayer->getFbo()); 9042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 9142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // No need to unbind our FBO, this will be taken care of by the caller 9242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // who will invoke OpenGLRenderer::resume() 9342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy} 9442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 9542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain GuyGLint LayerRenderer::getTargetFbo() { 969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return mLayer->getFbo(); 976c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 986c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 9911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool LayerRenderer::suppressErrorChecks() { 10011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 10111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 10211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1036c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy// Layer support 105f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 106f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 107f219da5e32e85deb442468ee9a63bb28eb198557Romain Guybool LayerRenderer::hasLayer() { 108f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return true; 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 110f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid LayerRenderer::ensureStencilBuffer() { 1128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mLayer); 1138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy/////////////////////////////////////////////////////////////////////////////// 1168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy// Dirty region tracking 1178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy/////////////////////////////////////////////////////////////////////////////// 1188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 119f219da5e32e85deb442468ee9a63bb28eb198557Romain GuyRegion* LayerRenderer::getRegion() { 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (getSnapshot()->flags & Snapshot::kFlagFboTarget) { 121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 123f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1266c5b9be7450903762f676522c32d65f7545730dfChris Craik// TODO: This implementation uses a very simple approach to fixing T-junctions which keeps the 1276c5b9be7450903762f676522c32d65f7545730dfChris Craik// results as rectangles, and is thus not necessarily efficient in the geometry 1286c5b9be7450903762f676522c32d65f7545730dfChris Craik// produced. Eventually, it may be better to develop triangle-based mechanism. 129f219da5e32e85deb442468ee9a63bb28eb198557Romain Guyvoid LayerRenderer::generateMesh() { 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 131f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 135f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 13940667676e542a9daeafeac9904c30004e8706fd3Romain Guy 1409fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy mLayer->setRegionAsRect(); 141f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 142f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 143f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1446c5b9be7450903762f676522c32d65f7545730dfChris Craik // avoid T-junctions as they cause artifacts in between the resultant 1456c5b9be7450903762f676522c32d65f7545730dfChris Craik // geometry when complex transforms occur. 1466c5b9be7450903762f676522c32d65f7545730dfChris Craik // TODO: generate the safeRegion only if necessary based on drawing transform (see 1476c5b9be7450903762f676522c32d65f7545730dfChris Craik // OpenGLRenderer::composeLayerRegion()) 1486c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion = Region::createTJunctionFreeRegion(mLayer->region); 1496c5b9be7450903762f676522c32d65f7545730dfChris Craik 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 1516c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects = safeRegion.getArray(&count); 152f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 153f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 154f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 160f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 161f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 162f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1634f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy bool rebuildIndices = false; 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = new uint16_t[elementCount]; 1674f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy rebuildIndices = true; 168f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1694f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 170f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(mLayer->getWidth()); 1729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(mLayer->getHeight()); 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 174f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 175f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 176f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy uint16_t* indices = mLayer->meshIndices; 177f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 180f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 181f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 182f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 183f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 184f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 185f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 186f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 187f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 188f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 189f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 190f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1914f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy if (rebuildIndices) { 1924f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy uint16_t quad = i * 4; 1934f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy int index = i * 6; 1944f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index ] = quad; // top-left 1954f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 1] = quad + 1; // top-right 1964f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 2] = quad + 2; // bottom-left 1974f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 3] = quad + 2; // bottom-left 1984f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 4] = quad + 1; // top-right 1994f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 5] = quad + 3; // bottom-right 2004f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy } 201f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 202f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 203f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 204f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 205f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 2066c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 2076c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 208ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 209eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height); 2101fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 211a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches& caches = Caches::getInstance(); 212a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy GLuint fbo = caches.fboCache.get(); 21309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 2148564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 21509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 2161fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 2171fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 218a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 219a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Layer* layer = caches.layerCache.get(width, height); 22009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 2218564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain a layer"); 22209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 22309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 22609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 2299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(NULL); 2327c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(true); 23309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 2346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint previousFbo; 23609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 2376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 2399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 2406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 2429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 2439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 2449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 2456c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (glGetError() != GL_NO_ERROR) { 2475baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Could not allocate texture for layer (fbo=%d %dx%d)", 2485cd5c3f7e4df99f47e3def6e3707b9eb8205aef3Romain Guy fbo, width, height); 2499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 25009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 252603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 2539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 25409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 25509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2566c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2586c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 2599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 2606c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 263ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 266ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 267ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 2689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->getFbo(), width, height); 2691fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 2702055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy if (layer->resize(width, height)) { 27109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 27409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 275603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 276ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 277ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 278ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 27909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 280ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2816c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2826c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2834a5a71518a71a44dbccb3af9a08b82056ea748b3Romain GuyLayer* LayerRenderer::createTextureLayer(bool isOpaque) { 2844a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 2854a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2864a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy Layer* layer = new Layer(0, 0); 2879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setCacheable(false); 2889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setTextureLayer(true); 2899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(true); 2919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(0); 2929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2934a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 294a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f); 2954a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->region.clear(); 2969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer() 2974a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 298a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(0); 2999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->generateTexture(); 3004a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 3014a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy return layer; 3024a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 3034a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 304aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 305a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy bool isOpaque, GLenum renderTarget, float* transform) { 306aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 3079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 3089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setSize(width, height); 309aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, width, height); 310aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.set(width, height); 311aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->regionRect.set(0.0f, 0.0f, width, height); 3129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexTransform().load(transform); 3138f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 3149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (renderTarget != layer->getRenderTarget()) { 3159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(renderTarget); 3169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 317d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, false, true); 318d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setWrap(GL_CLAMP_TO_EDGE, false, true); 3194a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy } 320aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 321aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 322aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 323ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 324ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 325eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d", 326eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy layer->getWidth(), layer->getHeight(), layer->getFbo()); 327ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 32809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 329eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Destroyed!"); 330603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 33109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 332eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Cached!"); 33365b345fa22b878e141b8fd8ece9c208df00fa40fRomain Guy#if DEBUG_LAYER_RENDERER 334eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy Caches::getInstance().layerCache.dump(); 335eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy#endif 33698d3a64ffa13596e3ea9125bbff40c51ec96bd8dChet Haase layer->removeFbo(); 33709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 33809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 339ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 342ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 343ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 3449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->getFbo()); 34556257aff8a55c847be72be9924c392033fd8151dDave Burke 346ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 347ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 34857066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 34957066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 3509c4b79af221b53f602f946faa9ff317a596a0c39Romain Guyvoid LayerRenderer::flushLayer(Layer* layer) { 3519c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#ifdef GL_EXT_discard_framebuffer 3529c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 3539c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (layer && fbo) { 3549c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // If possible, discard any enqueud operations on deferred 3559c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // rendering architectures 3563bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (Extensions::getInstance().hasDiscardFramebuffer()) { 3579c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint previousFbo; 3589c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 3599c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, fbo); 36045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 36145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { GL_COLOR_ATTACHMENT0 }; 36245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 3639c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3649c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 3659c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3669c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3679c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#endif 3689c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy} 3699c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 37077a811610f99e21da7f88dafef60d09f345d0506Romain Guybool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) { 37177a811610f99e21da7f88dafef60d09f345d0506Romain Guy Caches& caches = Caches::getInstance(); 372710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (layer && bitmap->width() <= caches.maxTextureSize && 37377a811610f99e21da7f88dafef60d09f345d0506Romain Guy bitmap->height() <= caches.maxTextureSize) { 37477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 37577a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint fbo = caches.fboCache.get(); 37677a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (!fbo) { 3778564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 37877a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 37977a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 38077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 381d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkAutoLockPixels alp(*bitmap); 382d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 38377a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint texture; 38477a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint previousFbo; 385710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousViewport[4]; 38677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 38777a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum format; 38877a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum type; 38977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 390d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy GLenum error = GL_NO_ERROR; 391d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bool status = false; 392d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 39377a811610f99e21da7f88dafef60d09f345d0506Romain Guy switch (bitmap->config()) { 39477a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kA8_Config: 39577a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_ALPHA; 39677a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 39777a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 39877a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kRGB_565_Config: 39977a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGB; 40077a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_5_6_5; 40177a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 40277a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_4444_Config: 40377a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 40477a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_4_4_4_4; 40577a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 40677a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_8888_Config: 40777a811610f99e21da7f88dafef60d09f345d0506Romain Guy default: 40877a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 40977a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 41077a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 41177a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 41277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 4139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha(); 4149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy SkXfermode::Mode mode = layer->getMode(); 415710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousLayerFbo = layer->getFbo(); 416d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 4179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrc_Mode); 4189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 419d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 42077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 421710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glGetIntegerv(GL_VIEWPORT, (GLint*) &previousViewport); 42277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, fbo); 42377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 42477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGenTextures(1, &texture); 425d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 42677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 427a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 42877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 42977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 430e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy glPixelStorei(GL_PACK_ALIGNMENT, bitmap->bytesPerPixel()); 431e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy 432ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 433ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 43477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 43577a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 43677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 43777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 43877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, format, bitmap->width(), bitmap->height(), 43977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 0, format, type, NULL); 440d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 441d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 44277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 44377a811610f99e21da7f88dafef60d09f345d0506Romain Guy GL_TEXTURE_2D, texture, 0); 444d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 44577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 446d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 447d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy LayerRenderer renderer(layer); 448d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.setViewport(bitmap->width(), bitmap->height()); 449d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.OpenGLRenderer::prepareDirty(0.0f, 0.0f, 4509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bitmap->width(), bitmap->height(), !layer->isBlend()); 451a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 452586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy caches.disableScissor(); 453a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.translate(0.0f, bitmap->height()); 454a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.scale(1.0f, -1.0f); 455a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 456a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 texTransform(layer->getTexTransform()); 457a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 458a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 invert; 459a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.translate(0.0f, 1.0f, 0.0f); 460a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.scale(1.0f, -1.0f, 1.0f); 461a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().multiply(invert); 462a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 463d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 46477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 465d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 466d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy Rect bounds; 467d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bounds.set(0.0f, 0.0f, bitmap->width(), bitmap->height()); 468d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.drawTextureLayer(layer, bounds); 46977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 470d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy glReadPixels(0, 0, bitmap->width(), bitmap->height(), format, 471d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy type, bitmap->getPixels()); 47277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 473d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 474d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 47577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 476a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().load(texTransform); 477d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy status = true; 478d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 47977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 480d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guyerror: 481d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#if DEBUG_OPENGL 482d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if (error != GL_NO_ERROR) { 4835baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error while copying layer into bitmap = 0x%x", error); 484d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 485d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#endif 48677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 48777a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 489710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik layer->setFbo(previousLayerFbo); 49077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glDeleteTextures(1, &texture); 49177a811610f99e21da7f88dafef60d09f345d0506Romain Guy caches.fboCache.put(fbo); 492710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glViewport(previousViewport[0], previousViewport[1], 493710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik previousViewport[2], previousViewport[3]); 49477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 495d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy return status; 49677a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 49777a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 49877a811610f99e21da7f88dafef60d09f345d0506Romain Guy} 49977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 5006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 5016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 502