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/*
* Copyright (C) 2009 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_RS_PROGRAM_H
#define ANDROID_RS_PROGRAM_H
#include "rsObjectBase.h"
#include "rsElement.h"
// ---------------------------------------------------------------------------
namespace android {
namespace renderscript {
class ShaderCache;
class Program : public ObjectBase
{
public:
const static uint32_t MAX_ATTRIBS = 8;
const static uint32_t MAX_UNIFORMS = 16;
Program(Context *);
Program(Context *, const char * shaderText, uint32_t shaderLength,
const uint32_t * params, uint32_t paramLength);
virtual ~Program();
void bindAllocation(Allocation *);
virtual void createShader();
uint32_t getShaderID() const {return mShaderID;}
void setShader(const char *, uint32_t len);
uint32_t getAttribCount() const {return mAttribCount;}
uint32_t getUniformCount() const {return mUniformCount;}
const String8 & getAttribName(uint32_t i) const {return mAttribNames[i];}
const String8 & getUniformName(uint32_t i) const {return mUniformNames[i];}
protected:
// Components not listed in "in" will be passed though
// unless overwritten by components in out.
ObjectBaseRef<Element> *mInputElements;
ObjectBaseRef<Element> *mOutputElements;
ObjectBaseRef<Type> *mConstantTypes;
uint32_t mInputCount;
uint32_t mOutputCount;
uint32_t mConstantCount;
ObjectBaseRef<Allocation> mConstants;
mutable bool mDirty;
String8 mShader;
String8 mUserShader;
uint32_t mShaderID;
uint32_t mTextureCount;
uint32_t mAttribCount;
uint32_t mUniformCount;
String8 mAttribNames[MAX_ATTRIBS];
String8 mUniformNames[MAX_UNIFORMS];
bool loadShader(uint32_t type);
public:
void forceDirty() const {mDirty = true;}
};
}
}
#endif
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