LayerRenderer.cpp revision 4a5a71518a71a44dbccb3af9a08b82056ea748b3
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 169ada830f639591b99c3e40de22b07296c7932a33fRomain GuyLayer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque) { 1701fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy LAYER_RENDERER_LOGD("Creating new layer %dx%d", width, height); 1711fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 17209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint fbo = Caches::getInstance().fboCache.get(); 17309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!fbo) { 17409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LOGW("Could not obtain an FBO"); 17509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 1761fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy } 1771fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 1786c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(GL_TEXTURE0); 17909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy Layer* layer = Caches::getInstance().layerCache.get(width, height); 18009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!layer) { 18109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LOGW("Could not obtain a layer"); 18209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 18309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 1846c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 18509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->fbo = fbo; 18609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 18709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->texCoords.set(0.0f, height / float(layer->height), 18809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy width / float(layer->width), 0.0f); 18909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->alpha = 255; 19009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->mode = SkXfermode::kSrcOver_Mode; 19109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->blend = !isOpaque; 19209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->colorFilter = NULL; 19309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 1946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GLuint previousFbo; 19609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 1976c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 19909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 2006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy // Initialize the texture if needed 20209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->empty) { 20309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->empty = false; 20409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 20509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 2066c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (glGetError() != GL_NO_ERROR) { 20809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy LOGD("Could not allocate texture"); 20909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 21009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy glDeleteTextures(1, &layer->texture); 21109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy Caches::getInstance().fboCache.put(fbo); 21209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 21309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy return NULL; 21409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 2156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 2166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 218ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->texture, 0); 2196c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22040a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glDisable(GL_SCISSOR_TEST); 22140a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 22240a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glClear(GL_COLOR_BUFFER_BIT); 22340a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy glEnable(GL_SCISSOR_TEST); 22440a787f89a6f4c20f2c7fce29e5bc53954305f34Romain Guy 2256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 2266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 227ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return layer; 2286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 230ada830f639591b99c3e40de22b07296c7932a33fRomain Guybool LayerRenderer::resizeLayer(Layer* layer, uint32_t width, uint32_t height) { 231ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 232ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Resizing layer fbo = %d to %dx%d", layer->fbo, width, height); 2331fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 23409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (Caches::getInstance().layerCache.resize(layer, width, height)) { 23509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->layer.set(0.0f, 0.0f, width, height); 23609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->texCoords.set(0.0f, height / float(layer->height), 23709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy width / float(layer->width), 0.0f); 23809b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 23909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->texture) glDeleteTextures(1, &layer->texture); 24009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 241ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return false; 242ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 243ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 24409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy 245ada830f639591b99c3e40de22b07296c7932a33fRomain Guy return true; 2466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2476c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2484a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guystatic void setTextureParameters(Layer* layer) { 2494a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glBindTexture(layer->renderTarget, layer->texture); 2504a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2514a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 2524a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 2534a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2544a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 2554a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glTexParameteri(layer->renderTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 2564a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 2574a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2584a5a71518a71a44dbccb3af9a08b82056ea748b3Romain GuyLayer* LayerRenderer::createTextureLayer(bool isOpaque) { 2594a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy LAYER_RENDERER_LOGD("Creating new texture layer"); 2604a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2614a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy Layer* layer = new Layer(0, 0); 2624a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->isCacheable = false; 2634a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->isTextureLayer = true; 2644a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->blend = !isOpaque; 2654a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->empty = true; 2664a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->fbo = 0; 2674a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->colorFilter = NULL; 2684a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->fbo = 0; 2694a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->layer.set(0.0f, 0.0f, 0.0f, 0.0f); 2704a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->texCoords.set(0.0f, 1.0f, 0.0f, 1.0f); 2714a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->alpha = 255; 2724a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->mode = SkXfermode::kSrcOver_Mode; 2734a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->colorFilter = NULL; 2744a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->region.clear(); 2754a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->renderTarget = GL_NONE; // see ::updateTextureLayer() 2764a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2774a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glActiveTexture(GL_TEXTURE0); 2784a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy glGenTextures(1, &layer->texture); 2794a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 2804a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy return layer; 2814a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy} 2824a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy 283aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid LayerRenderer::updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 284a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy bool isOpaque, GLenum renderTarget, float* transform) { 285aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (layer) { 286a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy layer->blend = !isOpaque; 287aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->width = width; 288aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->height = 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); 292aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->texTransform.load(transform); 2938f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 2944a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy if (renderTarget != layer->renderTarget) { 2954a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy layer->renderTarget = renderTarget; 2964a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy setTextureParameters(layer); 2974a5a71518a71a44dbccb3af9a08b82056ea748b3Romain Guy } 298aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 299aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 300aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 301ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayer(Layer* layer) { 302ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 303ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Destroying layer, fbo = %d", layer->fbo); 304ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 30509b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->fbo) { 30609b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy Caches::getInstance().fboCache.put(layer->fbo); 30709b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 3081fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 30909b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (!Caches::getInstance().layerCache.put(layer)) { 31009b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy if (layer->texture) glDeleteTextures(1, &layer->texture); 31109b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy delete layer; 31209b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } else { 31309b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy layer->region.clear(); 31409b7c91de73b59aa3f679b3ae3ba299f82ec9f8aRomain Guy } 315ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 3166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 3176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 318ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid LayerRenderer::destroyLayerDeferred(Layer* layer) { 319ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (layer) { 320ada830f639591b99c3e40de22b07296c7932a33fRomain Guy LAYER_RENDERER_LOGD("Deferring layer destruction, fbo = %d", layer->fbo); 3211fc883b271707c4206ae20cc9a935d7bd4a7485eRomain Guy 322ada830f639591b99c3e40de22b07296c7932a33fRomain Guy Caches::getInstance().deleteLayerDeferred(layer); 323ada830f639591b99c3e40de22b07296c7932a33fRomain Guy } 32457066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy} 32557066eb64c9a190d1afc87bb060bbb2d31e5b86cRomain Guy 32677a811610f99e21da7f88dafef60d09f345d0506Romain Guybool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) { 32777a811610f99e21da7f88dafef60d09f345d0506Romain Guy Caches& caches = Caches::getInstance(); 32877a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (layer && layer->isTextureLayer && bitmap->width() <= caches.maxTextureSize && 32977a811610f99e21da7f88dafef60d09f345d0506Romain Guy bitmap->height() <= caches.maxTextureSize) { 33077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 33177a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint fbo = caches.fboCache.get(); 33277a811610f99e21da7f88dafef60d09f345d0506Romain Guy if (!fbo) { 33377a811610f99e21da7f88dafef60d09f345d0506Romain Guy LOGW("Could not obtain an FBO"); 33477a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 33577a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 33677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 337d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkAutoLockPixels alp(*bitmap); 338d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 33977a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint texture; 34077a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLuint previousFbo; 34177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 34277a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum format; 34377a811610f99e21da7f88dafef60d09f345d0506Romain Guy GLenum type; 34477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 345d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy GLenum error = GL_NO_ERROR; 346d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bool status = false; 347d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 34877a811610f99e21da7f88dafef60d09f345d0506Romain Guy switch (bitmap->config()) { 34977a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kA8_Config: 35077a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_ALPHA; 35177a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 35277a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 35377a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kRGB_565_Config: 35477a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGB; 35577a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_5_6_5; 35677a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 35777a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_4444_Config: 35877a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 35977a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_SHORT_4_4_4_4; 36077a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 36177a811610f99e21da7f88dafef60d09f345d0506Romain Guy case SkBitmap::kARGB_8888_Config: 36277a811610f99e21da7f88dafef60d09f345d0506Romain Guy default: 36377a811610f99e21da7f88dafef60d09f345d0506Romain Guy format = GL_RGBA; 36477a811610f99e21da7f88dafef60d09f345d0506Romain Guy type = GL_UNSIGNED_BYTE; 36577a811610f99e21da7f88dafef60d09f345d0506Romain Guy break; 36677a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 36777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 368d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy float alpha = layer->alpha; 369d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy SkXfermode::Mode mode = layer->mode; 370d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 371d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy layer->mode = SkXfermode::kSrc_Mode; 372d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy layer->alpha = 255; 373d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy layer->fbo = fbo; 374d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 37577a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &previousFbo); 37677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, fbo); 37777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 37877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glGenTextures(1, &texture); 379d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 38077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 38177a811610f99e21da7f88dafef60d09f345d0506Romain Guy glActiveTexture(GL_TEXTURE0); 38277a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 38377a811610f99e21da7f88dafef60d09f345d0506Romain Guy 38477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 38577a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 38677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 38777a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 38877a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 38977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 39077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, format, bitmap->width(), bitmap->height(), 39177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 0, format, type, NULL); 392d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 393d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy 39477a811610f99e21da7f88dafef60d09f345d0506Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 39577a811610f99e21da7f88dafef60d09f345d0506Romain Guy GL_TEXTURE_2D, texture, 0); 396d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 39777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 398d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 399d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy LayerRenderer renderer(layer); 400d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.setViewport(bitmap->width(), bitmap->height()); 401d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.OpenGLRenderer::prepareDirty(0.0f, 0.0f, 402d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bitmap->width(), bitmap->height(), !layer->blend); 403d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 40477a811610f99e21da7f88dafef60d09f345d0506Romain Guy 405d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy { 406d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy Rect bounds; 407d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy bounds.set(0.0f, 0.0f, bitmap->width(), bitmap->height()); 408d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy renderer.drawTextureLayer(layer, bounds); 40977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 410d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy glReadPixels(0, 0, bitmap->width(), bitmap->height(), format, 411d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy type, bitmap->getPixels()); 41277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 413d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if ((error = glGetError()) != GL_NO_ERROR) goto error; 414d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 41577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 416d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy status = true; 417d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 41877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 419d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guyerror: 420d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#if DEBUG_OPENGL 421d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy if (error != GL_NO_ERROR) { 422d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy LOGD("GL error while copying layer into bitmap = 0x%x", error); 423d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy } 424d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy#endif 42577a811610f99e21da7f88dafef60d09f345d0506Romain Guy 42677a811610f99e21da7f88dafef60d09f345d0506Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 42777a811610f99e21da7f88dafef60d09f345d0506Romain Guy layer->mode = mode; 42877a811610f99e21da7f88dafef60d09f345d0506Romain Guy layer->alpha = alpha; 42977a811610f99e21da7f88dafef60d09f345d0506Romain Guy layer->fbo = 0; 43077a811610f99e21da7f88dafef60d09f345d0506Romain Guy glDeleteTextures(1, &texture); 43177a811610f99e21da7f88dafef60d09f345d0506Romain Guy caches.fboCache.put(fbo); 43277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 433d6b2a00dd43257d1498b09175bff63663f6cb861Romain Guy return status; 43477a811610f99e21da7f88dafef60d09f345d0506Romain Guy } 43577a811610f99e21da7f88dafef60d09f345d0506Romain Guy return false; 43677a811610f99e21da7f88dafef60d09f345d0506Romain Guy} 43777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 4386c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace uirenderer 4396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy}; // namespace android 440