LayerRenderer.cpp revision 8f0095cd33558e9cc8a440047908e53b68906f5f
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 347d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid LayerRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 35ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Rendering into layer, fbo = %d", mLayer->fbo); 361fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 3762687ec12cb8e0b1d4044a235b1387b9a8c3b4b4Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, mLayer->fbo); 3862687ec12cb8e0b1d4044a235b1387b9a8c3b4b4Romain Guy 3909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float width = mLayer->layer.getWidth(); 4009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy const float height = mLayer->layer.getHeight(); 4109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 42c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy#if RENDER_LAYERS_AS_REGIONS 433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect dirty(left, top, right, bottom); 443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (dirty.isEmpty() || (dirty.left <= 0 && dirty.top <= 0 && 4509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.right >= width && dirty.bottom >= height)) { 463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.clear(); 4709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.set(0.0f, 0.0f, width, height); 483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } else { 4909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy dirty.intersect(0.0f, 0.0f, width, height); 503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy android::Rect r(dirty.left, dirty.top, dirty.right, dirty.bottom); 513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy mLayer->region.subtractSelf(r); 523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 53c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy OpenGLRenderer::prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, opaque); 553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#else 5609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy OpenGLRenderer::prepareDirty(0.0f, 0.0f, width, height, opaque); 573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 586c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 596c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 606c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid LayerRenderer::finish() { 616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy OpenGLRenderer::finish(); 621fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 63f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy generateMesh(); 64f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 65678e0adbdbac5fa3f25ca8371fdff1b3182f67e9Chet Haase LAYER_RENDERER_LOGD("Finished rendering into layer, fbo = %d", mLayer->fbo); 6642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 6742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // No need to unbind our FBO, this will be taken care of by the caller 6842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy // who will invoke OpenGLRenderer::resume() 6942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy} 7042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 7142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain GuyGLint LayerRenderer::getTargetFbo() { 7242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return mLayer->fbo; 736c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 76f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Dirty region tracking 77f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 78f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 79f219da5e32e85deb442468ee9a63bb28eb198557Romain Guybool LayerRenderer::hasLayer() { 80f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return true; 81f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 82f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 83f219da5e32e85deb442468ee9a63bb28eb198557Romain GuyRegion* LayerRenderer::getRegion() { 84f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 85f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (getSnapshot()->flags & Snapshot::kFlagFboTarget) { 86f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 87f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 88f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return &mLayer->region; 89f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 90f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return OpenGLRenderer::getRegion(); 91f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 92f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 93f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 94f219da5e32e85deb442468ee9a63bb28eb198557Romain Guyvoid LayerRenderer::generateMesh() { 95f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 96f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->region.isRect() || mLayer->region.isEmpty()) { 97f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh) { 98f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 99f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 100f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 101f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 102f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 103f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshElementCount = 0; 104f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 10540667676e542a9daeafeac9904c30004e8706fd3Romain Guy 1069fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy mLayer->setRegionAsRect(); 107f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return; 108f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 109f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 110f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy size_t count; 111f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* rects = mLayer->region.getArray(&count); 112f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 113f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GLsizei elementCount = count * 6; 114f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 115f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (mLayer->mesh && mLayer->meshElementCount < elementCount) { 116f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->mesh; 117f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy delete mLayer->meshIndices; 118f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 119f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = NULL; 120f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = NULL; 121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1234f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy bool rebuildIndices = false; 124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (!mLayer->mesh) { 125f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->mesh = new TextureVertex[count * 4]; 126f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy mLayer->meshIndices = new uint16_t[elementCount]; 1274f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy rebuildIndices = true; 128f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1294f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy mLayer->meshElementCount = elementCount; 130f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 131f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float texX = 1.0f / float(mLayer->width); 132f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float texY = 1.0f / float(mLayer->height); 133f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = mLayer->layer.getHeight(); 134f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 135f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex* mesh = mLayer->mesh; 136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy uint16_t* indices = mLayer->meshIndices; 137f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy for (size_t i = 0; i < count; i++) { 139f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const android::Rect* r = &rects[i]; 140f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 141f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u1 = r->left * texX; 142f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 143f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float u2 = r->right * texX; 144f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 145f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 146f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 147f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1514f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy if (rebuildIndices) { 1524f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy uint16_t quad = i * 4; 1534f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy int index = i * 6; 1544f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index ] = quad; // top-left 1554f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 1] = quad + 1; // top-right 1564f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 2] = quad + 2; // bottom-left 1574f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 3] = quad + 2; // bottom-left 1584f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 4] = quad + 1; // top-right 1594f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy indices[index + 5] = quad + 3; // bottom-right 1604f09f5417b5c14fd31336dacfff86972e7885a03Romain Guy } 161f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 162f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 163f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy} 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy/////////////////////////////////////////////////////////////////////////////// 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy// Layers management 1676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy/////////////////////////////////////////////////////////////////////////////// 1686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 169aa6c24c21c727a196451332448d4e3b11a80be69Romain GuyLayer* LayerRenderer::createTextureLayer() { 170aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 171aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 172aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy Layer* layer = new Layer(0, 0); 173aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->isCacheable = false; 174aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->isTextureLayer = true; 175aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->blend = true; 176aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->empty = true; 177aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->fbo = 0; 178aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->colorFilter = NULL; 179aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->fbo = 0; 180aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 181aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->texCoords.set(0.0f, 1.0f, 0.0f, 1.0f); 182aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->alpha = 255; 183aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->mode = SkXfermode::kSrcOver_Mode; 184aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->colorFilter = NULL; 185aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.clear(); 186aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 187aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glActiveTexture(GL_TEXTURE0); 188aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glGenTextures(1, &layer->texture); 189aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 190aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy return layer; 191aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 192aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 193ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 1941fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy LAYER_RENDERER_LOGD("Creating new layer %dx%d", width, height); 1951fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 19609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint fbo = Caches::getInstance().fboCache.get(); 19709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 19809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LOGW("Could not obtain an FBO"); 19909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 2001fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 2011fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 2026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(GL_TEXTURE0); 20309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy Layer* layer = Caches::getInstance().layerCache.get(width, height); 20409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 20509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LOGW("Could not obtain a layer"); 20609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 20709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2086c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->fbo = fbo; 21009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 21109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->texCoords.set(0.0f, height / float(layer->height), 21209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy width / float(layer->width), 0.0f); 21309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->alpha = 255; 21409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->mode = SkXfermode::kSrcOver_Mode; 21509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->blend = !isOpaque; 21609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->colorFilter = NULL; 21709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 2186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint previousFbo; 22009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 2216c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 22309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 2246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 22609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->empty) { 22709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->empty = false; 22809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 22909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 2306c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (glGetError() != GL_NO_ERROR) { 23209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LOGD("Could not allocate texture"); 23309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 23409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glDeleteTextures(1, &layer->texture); 23509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy Caches::getInstance().fboCache.put(fbo); 23609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 23709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 23809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 242ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->texture, 0); 2436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24440a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glDisable(GL_SCISSOR_TEST); 24540a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 24640a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClear(GL_COLOR_BUFFER_BIT); 24740a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glEnable(GL_SCISSOR_TEST); 24840a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy 2496c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2506c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 251ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2526c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2536c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 254ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 255ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 256ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->fbo, width, height); 2571fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 25809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (Caches::getInstance().layerCache.resize(layer, width, height)) { 25909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 26009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->texCoords.set(0.0f, height / float(layer->height), 26109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy width / float(layer->width), 0.0f); 26209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 26309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->texture) glDeleteTextures(1, &layer->texture); 26409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 265ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 266ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 267ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 26809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 269ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 272aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 2738f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy GLenum renderTarget, float* transform) { 274aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 275aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->width = width; 276aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->height = height; 277aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->layer.set(0.0f, 0.0f, width, height); 278aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->region.set(width, height); 279aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->regionRect.set(0.0f, 0.0f, width, height); 280aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->texTransform.load(transform); 2818f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy layer->renderTarget = renderTarget; 2828f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2838f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy glBindTexture(layer->renderTarget, layer->texture); 2848f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2858f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 2868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 2878f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2888f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 2898f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 290aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 291aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 292aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 293ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 294ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 295ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Destroying layer, fbo = %d", layer->fbo); 296ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 29709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->fbo) { 29809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy Caches::getInstance().fboCache.put(layer->fbo); 29909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 3001fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 30109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 30209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->texture) glDeleteTextures(1, &layer->texture); 30309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 30409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 30509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 30609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 307ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3086c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3096c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 310ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 311ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 312ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->fbo); 3131fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 314ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 315ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 31657066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 31757066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 3186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 3196c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 320