LayerRenderer.cpp revision 3a3133d876caf60ebff2176ad75c3dcf0259148d
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 216c319ca1275c8db892c39b48fc54864c949f9171Romain Guy#include "LayerRenderer.h" 221fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy#include "Properties.h" 233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#include "Rect.h" 246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 256c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace android { 266c319ca1275c8db892c39b48fc54864c949f9171Romain Guynamespace uirenderer { 276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy// Rendering 306c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 327d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid LayerRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 33ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Rendering into layer, fbo = %d", mLayer->fbo); 341fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 35c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy#if RENDER_LAYERS_AS_REGIONS 363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect dirty(left, top, right, bottom); 373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (dirty.isEmpty() || (dirty.left <= 0 && dirty.top <= 0 && 383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy dirty.right >= mLayer->width && dirty.bottom >= mLayer->height)) { 393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.clear(); 403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy dirty.set(0.0f, 0.0f, mLayer->width, mLayer->height); 413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } else { 423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy android::Rect r(dirty.left, dirty.top, dirty.right, dirty.bottom); 433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.subtractSelf(r); 443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 45c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy#endif 46c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 47ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, mLayer->fbo); 481fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if RENDER_LAYERS_AS_REGIONS 503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque); 513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#else 527d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy OpenGLRenderer::prepareDirty(0.0f, 0.0f, mLayer->width, mLayer->height, opaque); 533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 556c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 566c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid LayerRenderer::finish() { 576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy OpenGLRenderer::finish(); 581fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 59f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy generateMesh(); 60f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 61678e0adbdbac5fa3f25ca8371fdff1b3182f67e9Chet Haase LAYER_RENDERER_LOGD("Finished rendering into layer, fbo = %d", mLayer->fbo); 6242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 6342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // No need to unbind our FBO, this will be taken care of by the caller 6442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // who will invoke OpenGLRenderer::resume() 6542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy} 6642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 6742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain GuyGLint LayerRenderer::getTargetFbo() { 6842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return mLayer->fbo; 696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 72f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Dirty region tracking 73f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 74f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 75f219da5e32e85deb442468ee9a63bb28eb198557Romain Guybool LayerRenderer::hasLayer() { 76f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return true; 77f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 78f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 79f219da5e32e85deb442468ee9a63bb28eb198557Romain GuyRegion* LayerRenderer::getRegion() { 80f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 81f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (getSnapshot()->flags & Snapshot::kFlagFboTarget) { 82f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 83f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 84f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 85f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 86f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 87f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 88f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 89f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 90f219da5e32e85deb442468ee9a63bb28eb198557Romain Guyvoid LayerRenderer::generateMesh() { 91f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 92f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 93f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 94f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 95f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 96f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 97f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 98f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 99f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 100f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 101f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 102f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 103f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 104f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 105f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* rects = mLayer->region.getArray(&count); 106f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 107f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 108f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 110f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 111f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 112f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 113f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 114f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 115f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 116f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1174f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy bool rebuildIndices = false; 118f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 119f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = new uint16_t[elementCount]; 1214f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy rebuildIndices = true; 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1234f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float texX = 1.0f / float(mLayer->width); 126f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float texY = 1.0f / float(mLayer->height); 127f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 129f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy uint16_t* indices = mLayer->meshIndices; 131f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 135f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 139f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 140f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 141f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 142f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 143f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 144f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1454f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy if (rebuildIndices) { 1464f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy uint16_t quad = i * 4; 1474f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy int index = i * 6; 1484f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index ] = quad; // top-left 1494f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 1] = quad + 1; // top-right 1504f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 2] = quad + 2; // bottom-left 1514f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 3] = quad + 2; // bottom-left 1524f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 4] = quad + 1; // top-right 1534f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 5] = quad + 3; // bottom-right 1544f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy } 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 160f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 1616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 163ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 1641fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy LAYER_RENDERER_LOGD("Creating new layer %dx%d", width, height); 1651fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 166ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Layer* layer = new Layer(width, height); 167ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 1686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy GLuint previousFbo; 1696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 1706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 171ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glGenFramebuffers(1, &layer->fbo); 172ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 1736c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1741fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy if (glGetError() != GL_NO_ERROR) { 1751fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 176ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteBuffers(1, &layer->fbo); 1771fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy return 0; 1781fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 1791fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 1806c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(GL_TEXTURE0); 181ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glGenTextures(1, &layer->texture); 182ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 1836c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1846c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glPixelStorei(GL_UNPACK_ALIGNMENT, 4); 1856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1866c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 1876c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 1886c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1896c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 1906c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 1916c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, 1936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 1946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1956c319ca1275c8db892c39b48fc54864c949f9171Romain Guy if (glGetError() != GL_NO_ERROR) { 1961fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 197ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteBuffers(1, &layer->fbo); 198ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteTextures(1, &layer->texture); 199ada830f639591b99c3e40de22b07296c7932a33fRomain Guy delete layer; 2006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return 0; 2016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2036c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 204ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->texture, 0); 2056c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2066c319ca1275c8db892c39b48fc54864c949f9171Romain Guy if (glGetError() != GL_NO_ERROR) { 2071fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 208ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteBuffers(1, &layer->fbo); 209ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteTextures(1, &layer->texture); 210ada830f639591b99c3e40de22b07296c7932a33fRomain Guy delete layer; 2116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return 0; 2126c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 216ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 217ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->texCoords.set(0.0f, 1.0f, 1.0f, 0.0f); 218ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = 255; 219ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = SkXfermode::kSrcOver_Mode; 220ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->blend = !isOpaque; 221ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->empty = false; 222ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->colorFilter = NULL; 2236c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 224ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 227ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 228ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 229ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->fbo, width, height); 2301fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 231ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glActiveTexture(GL_TEXTURE0); 232ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 2336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 234ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, 235ada830f639591b99c3e40de22b07296c7932a33fRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 2366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 237ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (glGetError() != GL_NO_ERROR) { 238ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteBuffers(1, &layer->fbo); 239ada830f639591b99c3e40de22b07296c7932a33fRomain Guy glDeleteTextures(1, &layer->texture); 2406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 241ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->width = 0; 242ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->height = 0; 243ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->fbo = 0; 244ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->texture = 0; 2456c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 246ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 247ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 2486c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 249ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->width = width; 250ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->height = height; 251ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 252ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2536c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 255ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 256ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 257ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Destroying layer, fbo = %d", layer->fbo); 258ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 259ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer->fbo) glDeleteFramebuffers(1, &layer->fbo); 260ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer->texture) glDeleteTextures(1, &layer->texture); 2611fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 262ada830f639591b99c3e40de22b07296c7932a33fRomain Guy delete layer; 263ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 2646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 266ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 267ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 268ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->fbo); 2691fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 270ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 271ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 27257066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 27357066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 2746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 2756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 276