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104 lines
4.4 KiB
104 lines
4.4 KiB
5 years ago
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/*
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* CVDirect3DBufferPool.h
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* CoreVideo
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*
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* Created by David Eldred based on CVOpenGLBufferPool.h
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* Copyright 2004 Apple Computer, Inc. All rights reserved.
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*
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*/
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/*! @header CVDirect3DBufferPool.h
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@copyright 2004 Apple Computer, Inc. All rights reserved.
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@discussion CVDirect3DBufferPool is a utility object for managing a set of CVDirect3DBuffer objects that are going to be recycled.
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*/
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#if !defined(__COREVIDEO__CVDIRECT3DBUFFERPOOL_H__)
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#define __COREVIDEO__CVDIRECT3DBUFFERPOOL_H__ 1
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#include <CVBase.h>
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#include <CVReturn.h>
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#include <CVDirect3DBuffer.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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typedef struct __CVDirect3DBufferPool *CVDirect3DBufferPoolRef;
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#define kCVDirect3DBufferPoolMinimumBufferCountKey CFSTR("MinimumBufferCount")
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#define kCVDirect3DBufferPoolMaximumBufferAgeKey CFSTR("MaximumBufferAge")
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CV_EXPORT CFTypeID CVDirect3DBufferPoolGetTypeID();
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/*!
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@function CVDirect3DBufferPoolRetain
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@abstract Retains a CVDirect3DBufferPoolRef object
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@discussion Equivalent to CFRetain, but NULL safe
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@param buffer A CVDirect3DBufferPoolRef object that you want to retain.
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@result A CVDirect3DBufferPoolRef object that is the same as the passed in buffer.
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*/
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CV_EXPORT CVDirect3DBufferPoolRef CVDirect3DBufferPoolRetain( CVDirect3DBufferPoolRef pixelBufferPool ); // NULL-safe
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/*!
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@function CVDirect3DBufferPoolRelease
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@abstract Releases a CVDirect3DBufferPoolRef object
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@discussion Equivalent to CFRelease, but NULL safe
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@param buffer A CVDirect3DBufferPoolRef object that you want to release.
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*/
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CV_EXPORT void CVDirect3DBufferPoolRelease( CVDirect3DBufferPoolRef pixelBufferPool ); // NULL-safe
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/*!
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@function CVDirect3DBufferPoolCreate
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@abstract Creates a new Pixel Buffer pool.
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@discussion Equivalent to CFRelease, but NULL safe
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@param allocator The CFAllocatorRef to use for allocating this buffer pool. May be NULL.
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@param poolAttributes A CFDictionaryRef containing the attributes to be used for the pool itself.
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@param pixelBufferAttributes A CFDictionaryRef containing the attributes to be used for creating new D3DBuffers within the pool.
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@param d3dDevice the LPDIRECT3DDEVICE9 to be used for allocation of buffers for this pool
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@param poolOut The newly created pool will be placed here
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@result Returns kCVReturnSuccess on success
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*/
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CV_EXPORT CVReturn CVDirect3DBufferPoolCreate(CFAllocatorRef allocator,
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CFDictionaryRef poolAttributes,
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CFDictionaryRef pixelBufferAttributes,
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void *d3dDevice,
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CVDirect3DBufferPoolRef *poolOut);
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/*!
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@function CVDirect3DBufferPoolGetAttributes
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@abstract Returns the pool attributes dictionary for a CVDirect3DBufferPool
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@param pool The CVDirect3DBufferPoolRef to retrieve the attributes from
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@result Returns the pool attributes dictionary, or NULL on failure.
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*/
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CV_EXPORT CFDictionaryRef CVDirect3DBufferPoolGetAttributes(CVDirect3DBufferPoolRef pool);
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/*!
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@function CVDirect3DBufferPoolGetDirect3DBufferAttributes
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@abstract Returns the attributes of pixel buffers that will be created from this pool.
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@discussion This function is provided for those cases where you may need to know some information about the buffers that
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will be created up front.
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@param pool The CVDirect3DBufferPoolRef to retrieve the attributes from
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@result Returns the pixel buffer attributes dictionary, or NULL on failure.
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*/
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CV_EXPORT CFDictionaryRef CVDirect3DBufferPoolGetDirect3DBufferAttributes(CVDirect3DBufferPoolRef pool);
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/*!
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@function CVDirect3DBufferPoolCreateDirect3DBuffer
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@abstract Creates a new D3DBuffer object from the pool.
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@discussion The function creates a new (attachment-free) CVDirect3DBuffer using the pixel buffer attributes specifed during pool creation.
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@param allocator The CFAllocatorRef to use for creating the pixel buffer. May be NULL.
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@param pool The CVDirect3DBufferPool that should create the new CVDirect3DBuffer.
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@param pixelBufferOut The newly created pixel buffer will be placed here
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@result Returns kCVReturnSuccess on success
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*/
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CV_EXPORT CVReturn CVDirect3DBufferPoolCreateDirect3DBuffer(CFAllocatorRef allocator,
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CVDirect3DBufferPoolRef pixelBufferPool,
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CVDirect3DBufferRef *pixelBufferOut);
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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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