5b3b35296e
This optimization is currently disabled until Launcher is modified to take advantage of it. The optimization can be enabled by turning on RENDER_LAYERS_AS_REGIONS in the OpenGLRenderer.h file. Change-Id: I2fdf59d0f4dc690a3d7f712173ab8db3848b27b1
149 lines
3.8 KiB
C++
149 lines
3.8 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_CACHES_H
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#define ANDROID_HWUI_CACHES_H
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#ifndef LOG_TAG
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#define LOG_TAG "OpenGLRenderer"
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#endif
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#include <utils/Singleton.h>
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#include "Extensions.h"
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#include "FontRenderer.h"
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#include "GammaFontRenderer.h"
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#include "TextureCache.h"
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#include "LayerCache.h"
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#include "GradientCache.h"
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#include "PatchCache.h"
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#include "ProgramCache.h"
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#include "PathCache.h"
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#include "TextDropShadowCache.h"
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#include "FboCache.h"
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#include "Line.h"
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#include "ResourceCache.h"
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// Globals
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///////////////////////////////////////////////////////////////////////////////
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#define REQUIRED_TEXTURE_UNITS_COUNT 3
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#define REGION_MESH_QUAD_COUNT 512
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// Generates simple and textured vertices
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#define FV(x, y, u, v) { { x, y }, { u, v } }
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// This array is never used directly but used as a memcpy source in the
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// OpenGLRenderer constructor
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static const TextureVertex gMeshVertices[] = {
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FV(0.0f, 0.0f, 0.0f, 0.0f),
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FV(1.0f, 0.0f, 1.0f, 0.0f),
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FV(0.0f, 1.0f, 0.0f, 1.0f),
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FV(1.0f, 1.0f, 1.0f, 1.0f)
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};
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static const GLsizei gMeshStride = sizeof(TextureVertex);
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static const GLsizei gMeshTextureOffset = 2 * sizeof(float);
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static const GLsizei gMeshCount = 4;
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///////////////////////////////////////////////////////////////////////////////
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// Debug
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///////////////////////////////////////////////////////////////////////////////
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struct CacheLogger {
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CacheLogger() {
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LOGD("Creating caches");
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}
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}; // struct CacheLogger
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///////////////////////////////////////////////////////////////////////////////
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// Caches
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///////////////////////////////////////////////////////////////////////////////
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class Caches: public Singleton<Caches> {
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Caches();
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~Caches();
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friend class Singleton<Caches>;
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CacheLogger mlogger;
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GLuint mCurrentBuffer;
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// Used to render layers
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TextureVertex* mRegionMesh;
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GLuint mRegionMeshIndices;
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public:
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/**
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* Binds the VBO used to render simple textured quads.
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*/
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void bindMeshBuffer();
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/**
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* Binds the specified VBO if needed.
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*/
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void bindMeshBuffer(const GLuint buffer);
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/**
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* Unbinds the VBO used to render simple textured quads.
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*/
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void unbindMeshBuffer();
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/**
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* Returns the mesh used to draw regions. Calling this method will
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* bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the
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* indices for the region mesh.
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*/
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TextureVertex* getRegionMesh();
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bool blend;
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GLenum lastSrcMode;
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GLenum lastDstMode;
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Program* currentProgram;
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// VBO to draw with
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GLuint meshBuffer;
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// GL extensions
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Extensions extensions;
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// Misc
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GLint maxTextureSize;
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TextureCache textureCache;
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LayerCache layerCache;
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GradientCache gradientCache;
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ProgramCache programCache;
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PathCache pathCache;
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PatchCache patchCache;
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TextDropShadowCache dropShadowCache;
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FboCache fboCache;
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GammaFontRenderer fontRenderer;
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ResourceCache resourceCache;
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Line line;
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}; // class Caches
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_CACHES_H
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