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/*
* 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.
*/
#ifndef ANDROID_HWUI_PROGRAM_CACHE_H
#define ANDROID_HWUI_PROGRAM_CACHE_H
#include <utils/KeyedVector.h>
#include <utils/Log.h>
#include <utils/String8.h>
#include <GLES2/gl2.h>
#include "Debug.h"
#include "Program.h"
#include "Properties.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#if DEBUG_PROGRAMS
#define PROGRAM_LOGD(...) ALOGD(__VA_ARGS__)
#else
#define PROGRAM_LOGD(...)
#endif
///////////////////////////////////////////////////////////////////////////////
// Cache
///////////////////////////////////////////////////////////////////////////////
/**
* Generates and caches program. Programs are generated based on
* ProgramDescriptions.
*/
class ProgramCache {
public:
ProgramCache();
~ProgramCache();
Program* get(const ProgramDescription& description);
void clear();
private:
Program* generateProgram(const ProgramDescription& description, programid key);
String8 generateVertexShader(const ProgramDescription& description);
String8 generateFragmentShader(const ProgramDescription& description);
void generateBlend(String8& shader, const char* name, SkXfermode::Mode mode);
void generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT);
void printLongString(const String8& shader) const;
KeyedVector<programid, Program*> mCache;
}; // class ProgramCache
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_PROGRAM_CACHE_H
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