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/*
* Copyright (C) 2009-2012 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_ALLOCATION_H
#define ANDROID_STRUCTURED_ALLOCATION_H
#include "rsType.h"
struct ANativeWindow;
// ---------------------------------------------------------------------------
namespace android {
class SurfaceTexture;
namespace renderscript {
class Program;
/*****************************************************************************
* CAUTION
*
* Any layout changes for this class may require a corresponding change to be
* made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
* a partial copy of the information below.
*
*****************************************************************************/
class Allocation : public ObjectBase {
// The graphics equivalent of malloc. The allocation contains a structure of elements.
public:
struct Hal {
void * drv;
struct State {
const Type * type;
uint32_t usageFlags;
RsAllocationMipmapControl mipmapControl;
// Cached fields from the Type and Element
// to prevent pointer chasing in critical loops.
uint32_t dimensionX;
uint32_t dimensionY;
uint32_t dimensionZ;
uint32_t elementSizeBytes;
bool hasMipmaps;
bool hasFaces;
bool hasReferences;
void * unused_01;
int32_t surfaceTextureID;
ANativeWindow *wndSurface;
SurfaceTexture *surfaceTexture;
};
State state;
struct DrvState {
mutable void * mallocPtr;
mutable uint32_t stride;
} drvState;
};
Hal mHal;
static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages,
RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
void *ptr = 0);
virtual ~Allocation();
void updateCache();
void * getPtr() const {return mHal.drvState.mallocPtr;}
const Type * getType() const {return mHal.state.type;}
void syncAll(Context *rsc, RsAllocationUsageType src);
void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len);
void resize1D(Context *rsc, uint32_t dimX);
void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY);
void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes);
void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
uint32_t w, uint32_t h, const void *data, size_t sizeBytes);
void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face,
uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes);
void elementData(Context *rsc, uint32_t x,
const void *data, uint32_t elementOff, size_t sizeBytes);
void elementData(Context *rsc, uint32_t x, uint32_t y,
const void *data, uint32_t elementOff, size_t sizeBytes);
void read(void *data);
void addProgramToDirty(const Program *);
void removeProgramToDirty(const Program *);
virtual void dumpLOGV(const char *prefix) const;
virtual void serialize(OStream *stream) const;
virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; }
static Allocation *createFromStream(Context *rsc, IStream *stream);
bool getIsScript() const {
return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0;
}
bool getIsTexture() const {
return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0;
}
bool getIsRenderTarget() const {
return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0;
}
bool getIsBufferObject() const {
return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0;
}
void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
virtual bool freeChildren();
void sendDirty(const Context *rsc) const;
bool getHasGraphicsMipmaps() const {
return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE;
}
int32_t getSurfaceTextureID(const Context *rsc);
void setSurfaceTexture(const Context *rsc, SurfaceTexture *st);
void setSurface(const Context *rsc, RsNativeWindow sur);
void ioSend(const Context *rsc);
void ioReceive(const Context *rsc);
protected:
Vector<const Program *> mToDirtyList;
ObjectBaseRef<const Type> mType;
void setType(const Type *t) {
mType.set(t);
mHal.state.type = t;
}
private:
void freeChildrenUnlocked();
Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr);
uint32_t getPackedSize() const;
static void writePackedData(const Type *type, uint8_t *dst, const uint8_t *src, bool dstPadded);
void unpackVec3Allocation(const void *data, size_t dataSize);
void packVec3Allocation(OStream *stream) const;
};
}
}
#endif
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