LayerRenderer.cpp revision 44b2fe3fc114ee5f7273c6b0fee2cc999bf244a2
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 4044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint LayerRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Rendering into layer, fbo = %d", mLayer->getFbo()); 421fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, mLayer->getFbo()); 4462687ec12cb8e0b1d4044a235b1387b9a8c3b4b4Romain Guy 4509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float width = mLayer->layer.getWidth(); 4609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float height = mLayer->layer.getHeight(); 4709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 48c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy#if RENDER_LAYERS_AS_REGIONS 493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect dirty(left, top, right, bottom); 503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (dirty.isEmpty() || (dirty.left <= 0 && dirty.top <= 0 && 5109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.right >= width && dirty.bottom >= height)) { 523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.clear(); 5309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.set(0.0f, 0.0f, width, height); 543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } else { 5509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.intersect(0.0f, 0.0f, width, height); 563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy android::Rect r(dirty.left, dirty.top, dirty.right, dirty.bottom); 573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.subtractSelf(r); 583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 59c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 6044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque); 613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#else 6244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return OpenGLRenderer::prepareDirty(0.0f, 0.0f, width, height, opaque); 633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 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 RENDER_LAYERS_AS_REGIONS 91f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (getSnapshot()->flags & Snapshot::kFlagFboTarget) { 92f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 93f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 94f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 95f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 96f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 97f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 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 RENDER_LAYERS_AS_REGIONS 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 110f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 111f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 112f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 113f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 114f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 115f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 116f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 117f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 11840667676e542a9daeafeac9904c30004e8706fd3Romain Guy 1199fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy mLayer->setRegionAsRect(); 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 123f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* rects = mLayer->region.getArray(&count); 125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 126f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 127f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 129f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 131f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 135f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1364f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy bool rebuildIndices = false; 137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 139f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = new uint16_t[elementCount]; 1404f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy rebuildIndices = true; 141f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1424f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 143f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(mLayer->getWidth()); 1459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(mLayer->getHeight()); 146f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 147f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy uint16_t* indices = mLayer->meshIndices; 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 152f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 153f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 154f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 160f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 161f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 162f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 163f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1644f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy if (rebuildIndices) { 1654f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy uint16_t quad = i * 4; 1664f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy int index = i * 6; 1674f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index ] = quad; // top-left 1684f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 1] = quad + 1; // top-right 1694f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 2] = quad + 2; // bottom-left 1704f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 3] = quad + 2; // bottom-left 1714f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 4] = quad + 1; // top-right 1724f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 5] = quad + 3; // bottom-right 1734f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy } 174f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 175f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 176f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 177f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 1806c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1816c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 182ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 183eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Requesting new render layer %dx%d", width, height); 1841fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 185a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches& caches = Caches::getInstance(); 186a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy GLuint fbo = caches.fboCache.get(); 18709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 1888564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 18909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 1901fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 1911fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 192a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 193a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Layer* layer = caches.layerCache.get(width, height); 19409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 1958564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain a layer"); 19609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 19709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 1986c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 20009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 2039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(NULL); 20609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 2076c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint previousFbo; 20909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 2106c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 2129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 2136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 2159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 2169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 2179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 2186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (glGetError() != GL_NO_ERROR) { 2205baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("Could not allocate texture for layer (fbo=%d %dx%d)", 2215cd5c3f7e4df99f47e3def6e3707b9eb8205aef3Romain Guy fbo, width, height); 2229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 22309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 224a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.fboCache.put(fbo); 2259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 22709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 2289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 22909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 23009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 2349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 2356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23640a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glDisable(GL_SCISSOR_TEST); 23740a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClear(GL_COLOR_BUFFER_BIT); 23840a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glEnable(GL_SCISSOR_TEST); 23940a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy 2406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 242ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2446c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 245ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 246ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 2479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->getFbo(), width, height); 2481fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 24909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (Caches::getInstance().layerCache.resize(layer, width, height)) { 25009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 2519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, height / float(layer->getHeight()), 2529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy width / float(layer->getWidth()), 0.0f); 25309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 2549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 25509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 256ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 257ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 258ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 25909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 260ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2634a5a71518a71a44dbccb3af9a08b82056ea748b3Romain GuyLayer* LayerRenderer::createTextureLayer(bool isOpaque) { 2644a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 2654a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2664a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy Layer* layer = new Layer(0, 0); 2679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setCacheable(false); 2689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setTextureLayer(true); 2699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(true); 2719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(0); 2729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrcOver_Mode); 2734a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 274a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f); 2754a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->region.clear(); 2769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(GL_NONE); // see ::updateTextureLayer() 2774a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 278a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy Caches::getInstance().activeTexture(0); 2799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->generateTexture(); 2804a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2814a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy return layer; 2824a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 2834a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 284aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 285a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy bool isOpaque, GLenum renderTarget, float* transform) { 286aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 2879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setBlend(!isOpaque); 2889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setSize(width, height); 289aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, width, height); 290aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.set(width, height); 291aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->regionRect.set(0.0f, 0.0f, width, height); 2929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexTransform().load(transform); 2938f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (renderTarget != layer->getRenderTarget()) { 2959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setRenderTarget(renderTarget); 2969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 297d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, false, true); 298d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setWrap(GL_CLAMP_TO_EDGE, false, true); 2994a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy } 300aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 301aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 302aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 303ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 304ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 305eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD("Recycling layer, %dx%d fbo = %d", 306eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy layer->getWidth(), layer->getHeight(), layer->getFbo()); 307ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 3089c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 3099c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo) { 3109c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy flushLayer(layer); 3119c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy Caches::getInstance().fboCache.put(fbo); 3125c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 31309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 3141fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 31509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 316eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Destroyed!"); 3179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 31809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 31909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 320eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy LAYER_RENDERER_LOGD(" Cached!"); 32165b345fa22b878e141b8fd8ece9c208df00fa40fRomain Guy#if DEBUG_LAYER_RENDERER 322eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy Caches::getInstance().layerCache.dump(); 323eea60692b060737faeaa02bb30f5b79e2202b482Romain Guy#endif 32409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 32509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 326ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 329ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 330ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 3319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->getFbo()); 3321fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 333ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 334ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 33557066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 33657066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 3379c4b79af221b53f602f946faa9ff317a596a0c39Romain Guyvoid LayerRenderer::flushLayer(Layer* layer) { 3389c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#ifdef GL_EXT_discard_framebuffer 3399c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint fbo = layer->getFbo(); 3409c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (layer && fbo) { 3419c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // If possible, discard any enqueud operations on deferred 3429c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // rendering architectures 3439c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (Caches::getInstance().extensions.hasDiscardFramebuffer()) { 3449c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLuint previousFbo; 3459c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 3469c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3479c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy GLenum attachments = GL_COLOR_ATTACHMENT0; 3489c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, fbo); 3499c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, &attachments); 3509c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 3519c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy if (fbo != previousFbo) glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 3529c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3539c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy } 3549c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy#endif 3559c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy} 3569c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 35777a811610f99e21da7f88dafef60d09f345d0506Romain Guybool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) { 35877a811610f99e21da7f88dafef60d09f345d0506Romain Guy Caches& caches = Caches::getInstance(); 3599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer && layer->isTextureLayer() && bitmap->width() <= caches.maxTextureSize && 36077a811610f99e21da7f88dafef60d09f345d0506Romain Guy bitmap->height() <= caches.maxTextureSize) { 36177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 36277a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint fbo = caches.fboCache.get(); 36377a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (!fbo) { 3648564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not obtain an FBO"); 36577a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 36677a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 36777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 368d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkAutoLockPixels alp(*bitmap); 369d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 37077a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint texture; 37177a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint previousFbo; 37277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 37377a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum format; 37477a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum type; 37577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 376d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy GLenum error = GL_NO_ERROR; 377d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bool status = false; 378d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 37977a811610f99e21da7f88dafef60d09f345d0506Romain Guy switch (bitmap->config()) { 38077a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kA8_Config: 38177a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_ALPHA; 38277a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 38377a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 38477a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kRGB_565_Config: 38577a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGB; 38677a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_5_6_5; 38777a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 38877a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_4444_Config: 38977a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 39077a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_4_4_4_4; 39177a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 39277a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_8888_Config: 39377a811610f99e21da7f88dafef60d09f345d0506Romain Guy default: 39477a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 39577a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 39677a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 39777a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 39877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 3999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha(); 4009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy SkXfermode::Mode mode = layer->getMode(); 401d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 4029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255, SkXfermode::kSrc_Mode); 4039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(fbo); 404d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 40577a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 40677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, fbo); 40777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 40877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGenTextures(1, &texture); 409d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 41077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 411a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy caches.activeTexture(0); 41277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 41377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 414ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 415ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 41677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 41777a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 41877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 41977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 42077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, format, bitmap->width(), bitmap->height(), 42177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 0, format, type, NULL); 422d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 423d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 42477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 42577a811610f99e21da7f88dafef60d09f345d0506Romain Guy GL_TEXTURE_2D, texture, 0); 426d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 42777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 428d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 429d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy LayerRenderer renderer(layer); 430d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.setViewport(bitmap->width(), bitmap->height()); 431d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.OpenGLRenderer::prepareDirty(0.0f, 0.0f, 4329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bitmap->width(), bitmap->height(), !layer->isBlend()); 433a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 434a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy glDisable(GL_SCISSOR_TEST); 435a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.translate(0.0f, bitmap->height()); 436a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy renderer.scale(1.0f, -1.0f); 437a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 438a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 texTransform(layer->getTexTransform()); 439a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 440a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy mat4 invert; 441a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.translate(0.0f, 1.0f, 0.0f); 442a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy invert.scale(1.0f, -1.0f, 1.0f); 443a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().multiply(invert); 444a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy 445d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 44677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 447d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 448d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy Rect bounds; 449d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bounds.set(0.0f, 0.0f, bitmap->width(), bitmap->height()); 450d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.drawTextureLayer(layer, bounds); 45177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 452d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy glReadPixels(0, 0, bitmap->width(), bitmap->height(), format, 453d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy type, bitmap->getPixels()); 45477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 455d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 456d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 45777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 458a9dc86b21defc26db0d71f276aff5c3af0b62ff5Romain Guy layer->getTexTransform().load(texTransform); 459d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy status = true; 460d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 46177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 462d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guyerror: 46339d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 46439d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 465d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#if DEBUG_OPENGL 466d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if (error != GL_NO_ERROR) { 4675baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error while copying layer into bitmap = 0x%x", error); 468d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 469d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#endif 47077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 47177a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 4739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(0); 47477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glDeleteTextures(1, &texture); 47577a811610f99e21da7f88dafef60d09f345d0506Romain Guy caches.fboCache.put(fbo); 47677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 477d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy return status; 47877a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 47977a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 48077a811610f99e21da7f88dafef60d09f345d0506Romain Guy} 48177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 4826c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 4836c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 484