LayerRenderer.cpp revision 98d3a64ffa13596e3ea9125bbff40c51ec96bd8d
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 8111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool LayerRenderer::suppressErrorChecks() { 8211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 8311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 8411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 86f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Dirty region tracking 87f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 88f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 89f219da5e32e85deb442468ee9a63bb28eb198557Romain Guybool LayerRenderer::hasLayer() { 90f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return true; 91f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 92f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 93f219da5e32e85deb442468ee9a63bb28eb198557Romain GuyRegion* LayerRenderer::getRegion() { 94f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (getSnapshot()->flags & Snapshot::kFlagFboTarget) { 95f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 96f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 97f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 98f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 99f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1008a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// TODO: This implementation is flawed and can generate T-junctions 1018a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// in the mesh, which will in turn produce cracks when the 1028a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// mesh is rotated/skewed. The easiest way to fix this would 1038a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// be, for each row, to add new vertices shared with the previous 1048a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// row when the two rows share an edge. 1058a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// In practice, T-junctions do not appear often so this has yet 1068a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy// to be fixed. 107f219da5e32e85deb442468ee9a63bb28eb198557Romain Guyvoid LayerRenderer::generateMesh() { 108f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 110f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 111f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 112f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 113f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 114f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 115f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 116f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 11740667676e542a9daeafeac9904c30004e8706fd3Romain Guy 1189fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy mLayer->setRegionAsRect(); 119f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 123f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* rects = mLayer->region.getArray(&count); 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 126f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 127f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 129f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 131f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1354f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy bool rebuildIndices = false; 136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = new uint16_t[elementCount]; 1394f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy rebuildIndices = true; 140f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1414f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 142f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(mLayer->getWidth()); 1449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(mLayer->getHeight()); 145f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 146f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 147f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy uint16_t* indices = mLayer->meshIndices; 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 152f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 153f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 154f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 160f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 161f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 162f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1634f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy if (rebuildIndices) { 1644f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy uint16_t quad = i * 4; 1654f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy int index = i * 6; 1664f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index ] = quad; // top-left 1674f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 1] = quad + 1; // top-right 1684f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 2] = quad + 2; // bottom-left 1694f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 3] = quad + 2; // bottom-left 1704f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 4] = quad + 1; // top-right 1714f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 5] = quad + 3; // bottom-right 1724f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy } 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 174f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 175f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 176f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 177f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 1786c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1796c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 180ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 181eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height); 1821fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 183a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches& caches = Caches::getInstance(); 184a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy GLuint fbo = caches.fboCache.get(); 18509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 1868564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 18709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 1881fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 1891fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 190a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 191a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Layer* layer = caches.layerCache.get(width, height); 19209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 1938564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain a layer"); 19409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 19509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 1966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 19809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 1999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 2019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(NULL); 20409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 2056c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint previousFbo; 20709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 2086c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 2109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 2116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 2139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 2149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 2159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 2166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (glGetError() != GL_NO_ERROR) { 2185baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Could not allocate texture for layer (fbo=%d %dx%d)", 2195cd5c3f7e4df99f47e3def6e3707b9eb8205aef3Romain Guy fbo, width, height); 2209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 22109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 223603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 2249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 22509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 22609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 2309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 2316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 232586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy caches.disableScissor(); 23340a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClear(GL_COLOR_BUFFER_BIT); 23440a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy 2356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 237ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2386c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 240ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 241ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 2429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->getFbo(), width, height); 2431fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 24409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (Caches::getInstance().layerCache.resize(layer, width, height)) { 24509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 24809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 249603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 250ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 251ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 252ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 25309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 254ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2556c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2566c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2574a5a71518a71a44dbccb3af9a08b82056ea748b3Romain GuyLayer* LayerRenderer::createTextureLayer(bool isOpaque) { 2584a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 2594a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2604a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy Layer* layer = new Layer(0, 0); 2619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setCacheable(false); 2629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setTextureLayer(true); 2639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(true); 2659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(0); 2669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2674a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 268a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f); 2694a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->region.clear(); 2709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer() 2714a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 272a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(0); 2739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->generateTexture(); 2744a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2754a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy return layer; 2764a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 2774a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 278aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 279a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy bool isOpaque, GLenum renderTarget, float* transform) { 280aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 2819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setSize(width, height); 283aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, width, height); 284aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.set(width, height); 285aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->regionRect.set(0.0f, 0.0f, width, height); 2869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexTransform().load(transform); 2878f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (renderTarget != layer->getRenderTarget()) { 2899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(renderTarget); 2909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 291d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, false, true); 292d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setWrap(GL_CLAMP_TO_EDGE, false, true); 2934a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy } 294aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 295aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 296aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 297ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 298ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 299eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d", 300eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy layer->getWidth(), layer->getHeight(), layer->getFbo()); 301ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 30209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 303eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Destroyed!"); 304603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 30509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 306eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Cached!"); 30765b345fa22b878e141b8fd8ece9c208df00fa40fRomain Guy#if DEBUG_LAYER_RENDERER 308eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy Caches::getInstance().layerCache.dump(); 309eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy#endif 31098d3a64ffa13596e3ea9125bbff40c51ec96bd8dChet Haase layer->removeFbo(); 31109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 31209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 313ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 316ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 317ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 3189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->getFbo()); 31956257aff8a55c847be72be9924c392033fd8151dDave Burke 320ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 321ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 32257066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 32357066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 3249c4b79af221b53f602f946faa9ff317a596a0c39Romain Guyvoid LayerRenderer::flushLayer(Layer* layer) { 3259c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#ifdef GL_EXT_discard_framebuffer 3269c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 3279c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (layer && fbo) { 3289c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // If possible, discard any enqueud operations on deferred 3299c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // rendering architectures 3309c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (Caches::getInstance().extensions.hasDiscardFramebuffer()) { 3319c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint previousFbo; 3329c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 3339c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, fbo); 33445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 33545e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { GL_COLOR_ATTACHMENT0 }; 33645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 3379c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3389c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 3399c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3409c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3419c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#endif 3429c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy} 3439c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 34477a811610f99e21da7f88dafef60d09f345d0506Romain Guybool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) { 34577a811610f99e21da7f88dafef60d09f345d0506Romain Guy Caches& caches = Caches::getInstance(); 346710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (layer && bitmap->width() <= caches.maxTextureSize && 34777a811610f99e21da7f88dafef60d09f345d0506Romain Guy bitmap->height() <= caches.maxTextureSize) { 34877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 34977a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint fbo = caches.fboCache.get(); 35077a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (!fbo) { 3518564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 35277a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 35377a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 35477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 355d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkAutoLockPixels alp(*bitmap); 356d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 35777a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint texture; 35877a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint previousFbo; 359710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousViewport[4]; 36077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 36177a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum format; 36277a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum type; 36377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 364d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy GLenum error = GL_NO_ERROR; 365d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bool status = false; 366d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 36777a811610f99e21da7f88dafef60d09f345d0506Romain Guy switch (bitmap->config()) { 36877a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kA8_Config: 36977a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_ALPHA; 37077a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 37177a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 37277a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kRGB_565_Config: 37377a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGB; 37477a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_5_6_5; 37577a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 37677a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_4444_Config: 37777a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 37877a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_4_4_4_4; 37977a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 38077a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_8888_Config: 38177a811610f99e21da7f88dafef60d09f345d0506Romain Guy default: 38277a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 38377a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 38477a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 38577a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 38677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 3879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha(); 3889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy SkXfermode::Mode mode = layer->getMode(); 389710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik GLuint previousLayerFbo = layer->getFbo(); 390d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 3919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrc_Mode); 3929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 393d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 39477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 395710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glGetIntegerv(GL_VIEWPORT, (GLint*) &previousViewport); 39677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, fbo); 39777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 39877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGenTextures(1, &texture); 399d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 40077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 401a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 40277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 40377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 404e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy glPixelStorei(GL_PACK_ALIGNMENT, bitmap->bytesPerPixel()); 405e49d7ec36132f33b7c9e2c044ab9dd3585aa3747Romain Guy 406ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 407ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 40877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 40977a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 41077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 41177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 41277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, format, bitmap->width(), bitmap->height(), 41377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 0, format, type, NULL); 414d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 415d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 41677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 41777a811610f99e21da7f88dafef60d09f345d0506Romain Guy GL_TEXTURE_2D, texture, 0); 418d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 41977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 420d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 421d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy LayerRenderer renderer(layer); 422d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.setViewport(bitmap->width(), bitmap->height()); 423d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.OpenGLRenderer::prepareDirty(0.0f, 0.0f, 4249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bitmap->width(), bitmap->height(), !layer->isBlend()); 425a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 426586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy caches.disableScissor(); 427a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.translate(0.0f, bitmap->height()); 428a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.scale(1.0f, -1.0f); 429a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 430a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 texTransform(layer->getTexTransform()); 431a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 432a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 invert; 433a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.translate(0.0f, 1.0f, 0.0f); 434a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.scale(1.0f, -1.0f, 1.0f); 435a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().multiply(invert); 436a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 437d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 43877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 439d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 440d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy Rect bounds; 441d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bounds.set(0.0f, 0.0f, bitmap->width(), bitmap->height()); 442d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.drawTextureLayer(layer, bounds); 44377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 444d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy glReadPixels(0, 0, bitmap->width(), bitmap->height(), format, 445d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy type, bitmap->getPixels()); 44677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 447d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 448d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 44977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 450a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().load(texTransform); 451d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy status = true; 452d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 45377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 454d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guyerror: 455d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#if DEBUG_OPENGL 456d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if (error != GL_NO_ERROR) { 4575baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error while copying layer into bitmap = 0x%x", error); 458d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 459d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#endif 46077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 46177a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 463710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik layer->setFbo(previousLayerFbo); 46477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glDeleteTextures(1, &texture); 46577a811610f99e21da7f88dafef60d09f345d0506Romain Guy caches.fboCache.put(fbo); 466710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glViewport(previousViewport[0], previousViewport[1], 467710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik previousViewport[2], previousViewport[3]); 46877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 469d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy return status; 47077a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 47177a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 47277a811610f99e21da7f88dafef60d09f345d0506Romain Guy} 47377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 4746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 4756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 476