LayerRenderer.cpp revision 710f46d9d6a5bf9ea1c1833384caf61e1934124f
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 2109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy#include "LayerCache.h" 226c319ca1275c8db892c39b48fc54864c949f9171Romain Guy#include "LayerRenderer.h" 23aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy#include "Matrix.h" 241fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy#include "Properties.h" 253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#include "Rect.h" 266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 276c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace android { 286c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace uirenderer { 296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 306c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy// Rendering 326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 347953745dd565167113f8cbfc461bc0521d32d870Romain GuyLayerRenderer::LayerRenderer(Layer* layer): mLayer(layer) { 357953745dd565167113f8cbfc461bc0521d32d870Romain Guy} 367953745dd565167113f8cbfc461bc0521d32d870Romain Guy 377953745dd565167113f8cbfc461bc0521d32d870Romain GuyLayerRenderer::~LayerRenderer() { 387953745dd565167113f8cbfc461bc0521d32d870Romain Guy} 397953745dd565167113f8cbfc461bc0521d32d870Romain Guy 4035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid LayerRenderer::setViewport(int width, int height) { 4135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 4235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 4335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 4444b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint LayerRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Rendering into layer, fbo = %d", mLayer->getFbo()); 461fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, mLayer->getFbo()); 4862687ec12cb8e0b1d4044a235b1387b9a8c3b4b4Romain Guy 4909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float width = mLayer->layer.getWidth(); 5009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float height = mLayer->layer.getHeight(); 5109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect dirty(left, top, right, bottom); 533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (dirty.isEmpty() || (dirty.left <= 0 && dirty.top <= 0 && 5409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.right >= width && dirty.bottom >= height)) { 553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.clear(); 5609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.set(0.0f, 0.0f, width, height); 573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } else { 5809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.intersect(0.0f, 0.0f, width, height); 593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy android::Rect r(dirty.left, dirty.top, dirty.right, dirty.bottom); 603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.subtractSelf(r); 613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 62c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 6344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque); 646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 666c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid LayerRenderer::finish() { 676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy OpenGLRenderer::finish(); 681fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 69f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy generateMesh(); 70f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Finished rendering into layer, fbo = %d", mLayer->getFbo()); 7242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 7342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // No need to unbind our FBO, this will be taken care of by the caller 7442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // who will invoke OpenGLRenderer::resume() 7542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy} 7642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 7742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain GuyGLint LayerRenderer::getTargetFbo() { 789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return mLayer->getFbo(); 796c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 806c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 816c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 82f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Dirty region tracking 83f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 84f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 85f219da5e32e85deb442468ee9a63bb28eb198557Romain Guybool LayerRenderer::hasLayer() { 86f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return true; 87f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 88f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 89f219da5e32e85deb442468ee9a63bb28eb198557Romain GuyRegion* LayerRenderer::getRegion() { 90f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (getSnapshot()->flags & Snapshot::kFlagFboTarget) { 91f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 92f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 93f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 94f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 95f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 968a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// TODO: This implementation is flawed and can generate T-junctions 978a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// in the mesh, which will in turn produce cracks when the 988a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// mesh is rotated/skewed. The easiest way to fix this would 998a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// be, for each row, to add new vertices shared with the previous 1008a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// row when the two rows share an edge. 1018a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// In practice, T-junctions do not appear often so this has yet 1028a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// to be fixed. 103f219da5e32e85deb442468ee9a63bb28eb198557Romain Guyvoid LayerRenderer::generateMesh() { 104f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 105f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 106f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 107f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 108f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 110f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 111f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 112f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 11340667676e542a9daeafeac9904c30004e8706fd3Romain Guy 1149fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy mLayer->setRegionAsRect(); 115f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 116f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 117f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 118f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 119f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* rects = mLayer->region.getArray(&count); 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 123f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 126f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 127f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 129f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1314f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy bool rebuildIndices = false; 132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = new uint16_t[elementCount]; 1354f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy rebuildIndices = true; 136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1374f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(mLayer->getWidth()); 1409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(mLayer->getHeight()); 141f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 142f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 143f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 144f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy uint16_t* indices = mLayer->meshIndices; 145f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 146f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 147f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 152f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 153f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 154f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1594f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy if (rebuildIndices) { 1604f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy uint16_t quad = i * 4; 1614f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy int index = i * 6; 1624f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index ] = quad; // top-left 1634f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 1] = quad + 1; // top-right 1644f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 2] = quad + 2; // bottom-left 1654f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 3] = quad + 2; // bottom-left 1664f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 4] = quad + 1; // top-right 1674f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 5] = quad + 3; // bottom-right 1684f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy } 169f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 170f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 171f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 1746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 176ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 177eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height); 1781fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 179a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches& caches = Caches::getInstance(); 180a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy GLuint fbo = caches.fboCache.get(); 18109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 1828564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 18309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 1841fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 1851fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 186a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 187a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Layer* layer = caches.layerCache.get(width, height); 18809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 1898564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain a layer"); 19009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 19109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 1926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 19409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 1959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 1969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 1979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 1989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 1999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(NULL); 20009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 2016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint previousFbo; 20309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 2046c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 2069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 2076c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 2099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 2109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 2119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 2126c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (glGetError() != GL_NO_ERROR) { 2145baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Could not allocate texture for layer (fbo=%d %dx%d)", 2155cd5c3f7e4df99f47e3def6e3707b9eb8205aef3Romain Guy fbo, width, height); 2169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 21709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 219603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 2209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 22109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 22209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2236c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 2269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 2276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 228586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy caches.disableScissor(); 22940a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClear(GL_COLOR_BUFFER_BIT); 23040a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy 2316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 233ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 236ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 237ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 2389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->getFbo(), width, height); 2391fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 24009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (Caches::getInstance().layerCache.resize(layer, width, height)) { 24109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 24409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 245603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 246ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 247ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 248ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 24909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 250ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2516c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2526c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2534a5a71518a71a44dbccb3af9a08b82056ea748b3Romain GuyLayer* LayerRenderer::createTextureLayer(bool isOpaque) { 2544a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 2554a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2564a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy Layer* layer = new Layer(0, 0); 2579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setCacheable(false); 2589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setTextureLayer(true); 2599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(true); 2619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(0); 2629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2634a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 264a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f); 2654a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->region.clear(); 2669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer() 2674a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 268a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(0); 2699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->generateTexture(); 2704a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2714a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy return layer; 2724a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 2734a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 274aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 275a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy bool isOpaque, GLenum renderTarget, float* transform) { 276aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 2779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setSize(width, height); 279aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, width, height); 280aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.set(width, height); 281aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->regionRect.set(0.0f, 0.0f, width, height); 2829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexTransform().load(transform); 2838f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (renderTarget != layer->getRenderTarget()) { 2859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(renderTarget); 2869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 287d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, false, true); 288d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setWrap(GL_CLAMP_TO_EDGE, false, true); 2894a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy } 290aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 291aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 292aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 293ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 294ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 295eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d", 296eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy layer->getWidth(), layer->getHeight(), layer->getFbo()); 297ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 2989c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 2999c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo) { 3009c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy flushLayer(layer); 3019c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy Caches::getInstance().fboCache.put(fbo); 3025c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 30309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 3041fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 30509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 306eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Destroyed!"); 307603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 30809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 309eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Cached!"); 31065b345fa22b878e141b8fd8ece9c208df00fa40fRomain Guy#if DEBUG_LAYER_RENDERER 311eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy Caches::getInstance().layerCache.dump(); 312eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy#endif 31309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 31409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 315ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 318ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 319ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 3209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->getFbo()); 3211fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 322ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 323ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 32457066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 32557066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 3269c4b79af221b53f602f946faa9ff317a596a0c39Romain Guyvoid LayerRenderer::flushLayer(Layer* layer) { 3279c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#ifdef GL_EXT_discard_framebuffer 3289c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 3299c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (layer && fbo) { 3309c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // If possible, discard any enqueud operations on deferred 3319c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // rendering architectures 3329c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (Caches::getInstance().extensions.hasDiscardFramebuffer()) { 3339c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint previousFbo; 3349c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 3359c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, fbo); 33645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 33745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { GL_COLOR_ATTACHMENT0 }; 33845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 3399c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3409c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 3419c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3429c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3439c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#endif 3449c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy} 3459c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 34677a811610f99e21da7f88dafef60d09f345d0506Romain Guybool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) { 34777a811610f99e21da7f88dafef60d09f345d0506Romain Guy Caches& caches = Caches::getInstance(); 348710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (layer && bitmap->width() <= caches.maxTextureSize && 34977a811610f99e21da7f88dafef60d09f345d0506Romain Guy bitmap->height() <= caches.maxTextureSize) { 35077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 35177a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint fbo = caches.fboCache.get(); 35277a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (!fbo) { 3538564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 35477a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 35577a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 35677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 357d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkAutoLockPixels alp(*bitmap); 358d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 35977a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint texture; 36077a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint previousFbo; 361710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousViewport[4]; 36277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 36377a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum format; 36477a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum type; 36577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 366d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy GLenum error = GL_NO_ERROR; 367d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bool status = false; 368d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 36977a811610f99e21da7f88dafef60d09f345d0506Romain Guy switch (bitmap->config()) { 37077a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kA8_Config: 37177a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_ALPHA; 37277a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 37377a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 37477a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kRGB_565_Config: 37577a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGB; 37677a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_5_6_5; 37777a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 37877a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_4444_Config: 37977a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 38077a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_4_4_4_4; 38177a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 38277a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_8888_Config: 38377a811610f99e21da7f88dafef60d09f345d0506Romain Guy default: 38477a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 38577a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 38677a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 38777a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 38877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 3899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha(); 3909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy SkXfermode::Mode mode = layer->getMode(); 391710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousLayerFbo = layer->getFbo(); 392d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 3939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrc_Mode); 3949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 395d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 39677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 397710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glGetIntegerv(GL_VIEWPORT, (GLint*) &previousViewport); 39877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, fbo); 39977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 40077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGenTextures(1, &texture); 401d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 40277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 403a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 40477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 40577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 406e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy glPixelStorei(GL_PACK_ALIGNMENT, bitmap->bytesPerPixel()); 407e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy 408ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 409ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 41077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 41177a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 41277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 41377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 41477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, format, bitmap->width(), bitmap->height(), 41577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 0, format, type, NULL); 416d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 417d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 41877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 41977a811610f99e21da7f88dafef60d09f345d0506Romain Guy GL_TEXTURE_2D, texture, 0); 420d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 42177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 422d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 423d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy LayerRenderer renderer(layer); 424d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.setViewport(bitmap->width(), bitmap->height()); 425d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.OpenGLRenderer::prepareDirty(0.0f, 0.0f, 4269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bitmap->width(), bitmap->height(), !layer->isBlend()); 427a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 428586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy caches.disableScissor(); 429a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.translate(0.0f, bitmap->height()); 430a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.scale(1.0f, -1.0f); 431a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 432a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 texTransform(layer->getTexTransform()); 433a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 434a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 invert; 435a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.translate(0.0f, 1.0f, 0.0f); 436a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.scale(1.0f, -1.0f, 1.0f); 437a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().multiply(invert); 438a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 439d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 44077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 441d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 442d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy Rect bounds; 443d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bounds.set(0.0f, 0.0f, bitmap->width(), bitmap->height()); 444d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.drawTextureLayer(layer, bounds); 44577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 446d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy glReadPixels(0, 0, bitmap->width(), bitmap->height(), format, 447d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy type, bitmap->getPixels()); 44877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 449d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 450d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 45177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 452a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().load(texTransform); 453d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy status = true; 454d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 45577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 456d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guyerror: 457d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#if DEBUG_OPENGL 458d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if (error != GL_NO_ERROR) { 4595baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error while copying layer into bitmap = 0x%x", error); 460d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 461d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#endif 46277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 46377a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 465710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik layer->setFbo(previousLayerFbo); 46677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glDeleteTextures(1, &texture); 46777a811610f99e21da7f88dafef60d09f345d0506Romain Guy caches.fboCache.put(fbo); 468710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glViewport(previousViewport[0], previousViewport[1], 469710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik previousViewport[2], previousViewport[3]); 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