/*

 Copyright (C) 2015 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Utility methods for "fast-string" memory copy.

 */

#ifndef _CG_IMAGE_COPY_H_

#define _CG_IMAGE_COPY_H_

#ifdef __cplusplus

namespace CG

{

    // Copy from a source to destination image using base addresses

    void* memcpy(const size_t& rSize,

                 const void* pIn,

                 void* pOut);

    // Copy from a source to destination image using base addresses

    uint8_t* memcpy(const size_t& rSize,

                    const uint8_t* pSrc,

                    uint8_t* pDst);

    // Error condtions for i/o surface copy

    extern IOReturn kIOReturnCpySuccess;

    extern IOReturn kIOReturnCpyErrSrcRef;

    extern IOReturn kIOReturnCpyErrDstRef;

    extern IOReturn kIOReturnCpyErrHeight;

    extern IOReturn kIOReturnCpyErrRowBytes;

    extern IOReturn kIOReturnCpyErrSize;

    extern IOReturn kIOReturnCpyErrSrcPtr;

    extern IOReturn kIOReturnCpyErrDstPtr;

    // Copy from a source to destination i/o surface at plane 0

    IOSurfaceRef s2dcpy(const IOSurfaceRef pSrc,

                        IOSurfaceRef pDst,

                        IOReturn& nResult);

    // Copy from a source to destination i/o surface at a plane given by a source

    // index to a destination i/o surface at a plane  given by a destination index

    IOSurfaceRef s2dcpy(const size_t& nSrcIdx,

                        const IOSurfaceRef pSrc,

                        const size_t& nDstIdx,

                        IOSurfaceRef pDst,

                        IOReturn& nResult);

} // CG

#endif

#endif