| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "OpenGLRenderer" |
| |
| #include <utils/Log.h> |
| #include <utils/String8.h> |
| |
| #include "Caches.h" |
| #include "Properties.h" |
| #include "LayerRenderer.h" |
| |
| namespace android { |
| |
| #ifdef USE_OPENGL_RENDERER |
| using namespace uirenderer; |
| ANDROID_SINGLETON_STATIC_INSTANCE(Caches); |
| #endif |
| |
| namespace uirenderer { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Macros |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #if DEBUG_CACHE_FLUSH |
| #define FLUSH_LOGD(...) ALOGD(__VA_ARGS__) |
| #else |
| #define FLUSH_LOGD(...) |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Constructors/destructor |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| Caches::Caches(): Singleton<Caches>(), mInitialized(false) { |
| GLint maxTextureUnits; |
| glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); |
| if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { |
| ALOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); |
| } |
| |
| glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize); |
| |
| init(); |
| |
| mDebugLevel = readDebugLevel(); |
| ALOGD("Enabling debug mode %d", mDebugLevel); |
| |
| #if RENDER_LAYERS_AS_REGIONS |
| INIT_LOGD("Layers will be composited as regions"); |
| #endif |
| } |
| |
| void Caches::init() { |
| if (mInitialized) return; |
| |
| glGenBuffers(1, &meshBuffer); |
| glBindBuffer(GL_ARRAY_BUFFER, meshBuffer); |
| glBufferData(GL_ARRAY_BUFFER, sizeof(gMeshVertices), gMeshVertices, GL_STATIC_DRAW); |
| |
| mCurrentBuffer = meshBuffer; |
| mRegionMesh = NULL; |
| |
| blend = false; |
| lastSrcMode = GL_ZERO; |
| lastDstMode = GL_ZERO; |
| currentProgram = NULL; |
| |
| mInitialized = true; |
| } |
| |
| void Caches::terminate() { |
| if (!mInitialized) return; |
| |
| glDeleteBuffers(1, &meshBuffer); |
| mCurrentBuffer = 0; |
| |
| glDeleteBuffers(1, &mRegionMeshIndices); |
| delete[] mRegionMesh; |
| mRegionMesh = NULL; |
| |
| fboCache.clear(); |
| |
| programCache.clear(); |
| currentProgram = NULL; |
| |
| mInitialized = false; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Debug |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void Caches::dumpMemoryUsage() { |
| String8 stringLog; |
| dumpMemoryUsage(stringLog); |
| ALOGD("%s", stringLog.string()); |
| } |
| |
| void Caches::dumpMemoryUsage(String8 &log) { |
| log.appendFormat("Current memory usage / total memory usage (bytes):\n"); |
| log.appendFormat(" TextureCache %8d / %8d\n", |
| textureCache.getSize(), textureCache.getMaxSize()); |
| log.appendFormat(" LayerCache %8d / %8d\n", |
| layerCache.getSize(), layerCache.getMaxSize()); |
| log.appendFormat(" GradientCache %8d / %8d\n", |
| gradientCache.getSize(), gradientCache.getMaxSize()); |
| log.appendFormat(" PathCache %8d / %8d\n", |
| pathCache.getSize(), pathCache.getMaxSize()); |
| log.appendFormat(" CircleShapeCache %8d / %8d\n", |
| circleShapeCache.getSize(), circleShapeCache.getMaxSize()); |
| log.appendFormat(" OvalShapeCache %8d / %8d\n", |
| ovalShapeCache.getSize(), ovalShapeCache.getMaxSize()); |
| log.appendFormat(" RoundRectShapeCache %8d / %8d\n", |
| roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize()); |
| log.appendFormat(" RectShapeCache %8d / %8d\n", |
| rectShapeCache.getSize(), rectShapeCache.getMaxSize()); |
| log.appendFormat(" ArcShapeCache %8d / %8d\n", |
| arcShapeCache.getSize(), arcShapeCache.getMaxSize()); |
| log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(), |
| dropShadowCache.getMaxSize()); |
| for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { |
| const uint32_t size = fontRenderer.getFontRendererSize(i); |
| log.appendFormat(" FontRenderer %d %8d / %8d\n", i, size, size); |
| } |
| log.appendFormat("Other:\n"); |
| log.appendFormat(" FboCache %8d / %8d\n", |
| fboCache.getSize(), fboCache.getMaxSize()); |
| log.appendFormat(" PatchCache %8d / %8d\n", |
| patchCache.getSize(), patchCache.getMaxSize()); |
| |
| uint32_t total = 0; |
| total += textureCache.getSize(); |
| total += layerCache.getSize(); |
| total += gradientCache.getSize(); |
| total += pathCache.getSize(); |
| total += dropShadowCache.getSize(); |
| total += roundRectShapeCache.getSize(); |
| total += circleShapeCache.getSize(); |
| total += ovalShapeCache.getSize(); |
| total += rectShapeCache.getSize(); |
| total += arcShapeCache.getSize(); |
| for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) { |
| total += fontRenderer.getFontRendererSize(i); |
| } |
| |
| log.appendFormat("Total memory usage:\n"); |
| log.appendFormat(" %d bytes, %.2f MB\n", total, total / 1024.0f / 1024.0f); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Memory management |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void Caches::clearGarbage() { |
| textureCache.clearGarbage(); |
| pathCache.clearGarbage(); |
| |
| Mutex::Autolock _l(mGarbageLock); |
| |
| size_t count = mLayerGarbage.size(); |
| for (size_t i = 0; i < count; i++) { |
| Layer* layer = mLayerGarbage.itemAt(i); |
| LayerRenderer::destroyLayer(layer); |
| } |
| mLayerGarbage.clear(); |
| } |
| |
| void Caches::deleteLayerDeferred(Layer* layer) { |
| Mutex::Autolock _l(mGarbageLock); |
| mLayerGarbage.push(layer); |
| } |
| |
| void Caches::flush(FlushMode mode) { |
| FLUSH_LOGD("Flushing caches (mode %d)", mode); |
| |
| clearGarbage(); |
| |
| switch (mode) { |
| case kFlushMode_Full: |
| textureCache.clear(); |
| patchCache.clear(); |
| dropShadowCache.clear(); |
| gradientCache.clear(); |
| fontRenderer.clear(); |
| // fall through |
| case kFlushMode_Moderate: |
| fontRenderer.flush(); |
| textureCache.flush(); |
| pathCache.clear(); |
| roundRectShapeCache.clear(); |
| circleShapeCache.clear(); |
| ovalShapeCache.clear(); |
| rectShapeCache.clear(); |
| arcShapeCache.clear(); |
| // fall through |
| case kFlushMode_Layers: |
| layerCache.clear(); |
| break; |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // VBO |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void Caches::bindMeshBuffer() { |
| bindMeshBuffer(meshBuffer); |
| } |
| |
| void Caches::bindMeshBuffer(const GLuint buffer) { |
| if (mCurrentBuffer != buffer) { |
| glBindBuffer(GL_ARRAY_BUFFER, buffer); |
| mCurrentBuffer = buffer; |
| } |
| } |
| |
| void Caches::unbindMeshBuffer() { |
| if (mCurrentBuffer) { |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| mCurrentBuffer = 0; |
| } |
| } |
| |
| TextureVertex* Caches::getRegionMesh() { |
| // Create the mesh, 2 triangles and 4 vertices per rectangle in the region |
| if (!mRegionMesh) { |
| mRegionMesh = new TextureVertex[REGION_MESH_QUAD_COUNT * 4]; |
| |
| uint16_t* regionIndices = new uint16_t[REGION_MESH_QUAD_COUNT * 6]; |
| for (int i = 0; i < REGION_MESH_QUAD_COUNT; i++) { |
| uint16_t quad = i * 4; |
| int index = i * 6; |
| regionIndices[index ] = quad; // top-left |
| regionIndices[index + 1] = quad + 1; // top-right |
| regionIndices[index + 2] = quad + 2; // bottom-left |
| regionIndices[index + 3] = quad + 2; // bottom-left |
| regionIndices[index + 4] = quad + 1; // top-right |
| regionIndices[index + 5] = quad + 3; // bottom-right |
| } |
| |
| glGenBuffers(1, &mRegionMeshIndices); |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices); |
| glBufferData(GL_ELEMENT_ARRAY_BUFFER, REGION_MESH_QUAD_COUNT * 6 * sizeof(uint16_t), |
| regionIndices, GL_STATIC_DRAW); |
| |
| delete[] regionIndices; |
| } else { |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mRegionMeshIndices); |
| } |
| |
| return mRegionMesh; |
| } |
| |
| }; // namespace uirenderer |
| }; // namespace android |