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/*
* Copyright (C) 2011 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_STRUCTURED_TYPE_H
#define ANDROID_STRUCTURED_TYPE_H
#include "rsElement.h"
// ---------------------------------------------------------------------------
namespace android {
namespace renderscript {
class Type : public ObjectBase {
public:
Type * createTex2D(const Element *, size_t w, size_t h, bool mip);
size_t getOffsetForFace(uint32_t face) const;
size_t getSizeBytes() const {return mTotalSizeBytes;}
size_t getElementSizeBytes() const {return mElement->getSizeBytes();}
const Element * getElement() const {return mElement.get();}
uint32_t getDimX() const {return mDimX;}
uint32_t getDimY() const {return mDimY;}
uint32_t getDimZ() const {return mDimZ;}
uint32_t getDimLOD() const {return mDimLOD;}
bool getDimFaces() const {return mFaces;}
uint32_t getLODDimX(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mX;}
uint32_t getLODDimY(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mY;}
uint32_t getLODDimZ(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mZ;}
uint32_t getLODOffset(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mOffset;}
uint32_t getLODOffset(uint32_t lod, uint32_t x) const;
uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const;
uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const;
uint32_t getLODFaceOffset(uint32_t lod, RsAllocationCubemapFace face, uint32_t x, uint32_t y) const;
uint32_t getLODCount() const {return mLODCount;}
bool getIsNp2() const;
void clear();
void compute();
void dumpLOGV(const char *prefix) const;
virtual void serialize(OStream *stream) const;
virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_TYPE; }
static Type *createFromStream(Context *rsc, IStream *stream);
bool isEqual(const Type *other) const;
Type * cloneAndResize1D(Context *rsc, uint32_t dimX) const;
Type * cloneAndResize2D(Context *rsc, uint32_t dimX, uint32_t dimY) const;
static Type * getType(Context *rsc, const Element *e,
uint32_t dimX, uint32_t dimY, uint32_t dimZ,
bool dimLOD, bool dimFaces);
protected:
struct LOD {
size_t mX;
size_t mY;
size_t mZ;
size_t mOffset;
};
void makeLODTable();
// Internal structure from most to least significant.
// * Array dimensions
// * Faces
// * Mipmaps
// * xyz
ObjectBaseRef<const Element> mElement;
// Size of the structure in the various dimensions. A missing Dimension is
// specified as a 0 and not a 1.
size_t mDimX;
size_t mDimY;
size_t mDimZ;
bool mDimLOD;
bool mFaces;
// count of mipmap levels, 0 indicates no mipmapping
size_t mMipChainSizeBytes;
size_t mTotalSizeBytes;
LOD *mLODs;
uint32_t mLODCount;
protected:
virtual void preDestroy();
virtual ~Type();
private:
Type(Context *);
Type(const Type &);
};
class TypeState {
public:
TypeState();
~TypeState();
// Cache of all existing types.
Vector<Type *> mTypes;
};
}
}
#endif //ANDROID_STRUCTURED_TYPE
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