optix_cuda_interop.h

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/*
 * Copyright (c) 2012 NVIDIA Corporation.  All rights reserved.
 *
 * NVIDIA Corporation and its licensors retain all intellectual property and proprietary
 * rights in and to this software, related documentation and any modifications thereto.
 * Any use, reproduction, disclosure or distribution of this software and related
 * documentation without an express license agreement from NVIDIA Corporation is strictly
 * prohibited.
 *
 * TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS SOFTWARE IS PROVIDED *AS IS*
 * AND NVIDIA AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES, EITHER EXPRESS OR IMPLIED,
 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE.  IN NO EVENT SHALL NVIDIA OR ITS SUPPLIERS BE LIABLE FOR ANY
 * SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT
 * LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF
 * BUSINESS INFORMATION, OR ANY OTHER PECUNIARY LOSS) ARISING OUT OF THE USE OF OR
 * INABILITY TO USE THIS SOFTWARE, EVEN IF NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGES
 */
 
#ifndef __optix_optix_cuda_interop_h__
#define __optix_optix_cuda_interop_h__

#include "optix.h"

#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64)
typedef unsigned long long CUdeviceptr;
#else
typedef unsigned int CUdeviceptr;
#endif

#ifdef __cplusplus
extern "C" {
#endif

  RTresult RTAPI rtBufferCreateForCUDA (RTcontext context, unsigned int bufferdesc, RTbuffer *buffer);
  
  RTresult RTAPI rtBufferGetDevicePointer (RTbuffer buffer, unsigned int optix_device_number, void** device_pointer);
  
  RTresult RTAPI rtBufferMarkDirty (RTbuffer buffer);
  
  RTresult RTAPI rtBufferSetDevicePointer (RTbuffer buffer, unsigned int optix_device_number, CUdeviceptr device_pointer);

#ifdef __cplusplus
}
#endif

#endif /* __optix_optix_cuda_interop_h__ */