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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_FRAGMENT_H
#define ANDROID_RS_PROGRAM_FRAGMENT_H
#include "rsProgram.h"
// ---------------------------------------------------------------------------
namespace android {
namespace renderscript {
class ProgramFragmentState;
class ProgramFragment : public Program
{
public:
const static uint32_t MAX_TEXTURE = 2;
ProgramFragment(Element *in, Element *out, bool pointSpriteEnable);
virtual ~ProgramFragment();
virtual void setupGL(const Context *, ProgramFragmentState *);
void bindTexture(uint32_t slot, Allocation *);
void bindSampler(uint32_t slot, Sampler *);
void setType(uint32_t slot, const Element *, uint32_t dim);
void setEnvMode(uint32_t slot, RsTexEnvMode);
void setTexEnable(uint32_t slot, bool);
protected:
// The difference between Textures and Constants is how they are accessed
// Texture lookups go though a sampler which in effect converts normalized
// coordinates into type specific. Multiple samples may also be taken
// and filtered.
//
// Constants are strictly accessed by programetic loads.
ObjectBaseRef<Allocation> mTextures[MAX_TEXTURE];
ObjectBaseRef<Sampler> mSamplers[MAX_TEXTURE];
ObjectBaseRef<const Element> mTextureFormats[MAX_TEXTURE];
uint32_t mTextureDimensions[MAX_TEXTURE];
// Hacks to create a program for now
RsTexEnvMode mEnvModes[MAX_TEXTURE];
uint32_t mTextureEnableMask;
bool mPointSpriteEnable;
};
class ProgramFragmentState
{
public:
ProgramFragmentState();
~ProgramFragmentState();
ProgramFragment *mPF;
void init(Context *rsc, int32_t w, int32_t h);
ObjectBaseRef<Type> mTextureTypes[ProgramFragment::MAX_TEXTURE];
ObjectBaseRef<ProgramFragment> mDefault;
Vector<ProgramFragment *> mPrograms;
ObjectBaseRef<ProgramFragment> mLast;
};
}
}
#endif