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97 lines
3.8 KiB
C
97 lines
3.8 KiB
C
/*
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* CVDirect3DTextureCache.h
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* CoreVideo
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*
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* Copyright 2004 Apple Computer, Inc. All rights reserved.
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*
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*/
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#if !defined(__COREVIDEO__CVDIRECT3DTEXTURECACHE_H__)
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#define __COREVIDEO__CVDIRECT3DTEXTURECACHE_H__ 1
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#include <CVBase.h>
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#include <CVReturn.h>
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#include <CVBuffer.h>
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#include <CVDirect3DTexture.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/*!
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@typedef CVDirect3DTextureCacheRef
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@abstract CoreVideo Direct3D Texture Cache
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*/
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typedef struct __CVDirect3DTextureCache *CVDirect3DTextureCacheRef;
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CV_EXPORT CFTypeID CVDirect3DTextureCacheGetTypeID();
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/*!
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@function CVDirect3DTextureCacheRetain
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@abstract Retains a CVDirect3DTextureCache object
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@discussion Equivalent to CFRetain, but NULL safe
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@param buffer A CVDirect3DTextureCache object that you want to retain.
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@result A CVDirect3DTextureCache object that is the same as the passed in buffer.
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*/
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CV_EXPORT CVDirect3DTextureCacheRef CVDirect3DTextureCacheRetain( CVDirect3DTextureCacheRef textureCache ); // NULL-safe
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/*!
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@function CVDirect3DTextureCacheRelease
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@abstract Releases a CVDirect3DTextureCache object
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@discussion Equivalent to CFRelease, but NULL safe
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@param buffer A CVDirect3DTextureCache object that you want to release.
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*/
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CV_EXPORT void CVDirect3DTextureCacheRelease( CVDirect3DTextureCacheRef textureCache ); // NULL-safe
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/*!
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@function CVDirect3DTextureCacheCreate
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@abstract Creates a new Texture Cache.
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@param allocator The CFAllocatorRef to use for allocating the cache. May be NULL.
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@param cacheAttributes A CFDictionaryRef containing the attributes of the cache itself. May be NULL.
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@param cglContext The D3D context into which the texture objects will be created
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@param cglPixelFormat The D3D pixel format object used to create the passed in D3D context
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@param textureAttributes A CFDictionaryRef containing the attributes to be used for creating the CVDirect3DTexture objects. May be NULL.
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@param cacheOut The newly created texture cache will be placed here
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@result Returns kCVReturnSuccess on success
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*/
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CV_EXPORT CVReturn CVDirect3DTextureCacheCreate(
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CFAllocatorRef allocator,
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CFDictionaryRef cacheAttributes,
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void *d3dDevice, /*CVDIRECT3DDEVICE*/
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UInt32 d3dFormat, /*D3DFORMAT*/
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CFDictionaryRef textureAttributes,
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CVDirect3DTextureCacheRef *cacheOut);
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/*!
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@function CVDirect3DTextureCacheCreateTextureFromImage
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@abstract Creates a CVDirect3DTexture object from an existing CVImageBuffer
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@param allocator The CFAllocatorRef to use for allocating the CVDirect3DTexture object. May be NULL.
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@param sourceImage The CVImageBuffer that you want to create a CVDirect3DTexture from.
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@param attribuse The desired buffer attributes for the CVDirect3DTexture.
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@param textureOut The newly created texture object will be placed here.
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@result Returns kCVReturnSuccess on success
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*/
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CV_EXPORT CVReturn CVDirect3DTextureCacheCreateTextureFromImage(CFAllocatorRef allocator,
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CVDirect3DTextureCacheRef textureCache,
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CVImageBufferRef sourceImage,
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CFDictionaryRef *attribs,
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CVDirect3DTextureRef *textureOut);
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/*!
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@function CVDirect3DTextureCacheFlush
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@abstract Performs internal housekeeping/recycling operations
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@discussion This call must be made periodically to give the texture cache a chance to make D3D calls
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on the Direct3D context used to create it in order to do housekeeping operations.
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@param textureCache The texture cache object to flush
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@param options Currently unused, set to 0.
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@result Returns kCVReturnSuccess on success
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*/
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CV_EXPORT void CVDirect3DTextureCacheFlush(CVDirect3DTextureCacheRef textureCache, CVOptionFlags options);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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