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UnrealEngine/Engine/Source/ThirdParty/NVIDIA/GPUDirect/include/dvpapi_vulkan.h
2025-05-18 13:04:45 +08:00

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C

/*
* Copyright 2017-2018 NVIDIA Corporation. All rights reserved.
*
* NOTICE TO LICENSEE:
*
* This source code and/or documentation ("Licensed Deliverables") are
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*/
#ifndef __DVAPI_VULKAN_H_
#define __DVAPI_VULKAN_H_
#include <vulkan/vulkan.h>
#include "DVPAPI.h"
DVPAPI_INTERFACE
dvpInitVkDevice(VkDevice device,
uint32_t flags,
void* pDeviceUUID);
DVPAPI_INTERFACE
dvpCloseVkDevice(VkDevice device);
DVPAPI_INTERFACE
dvpBindToVkDevice(DVPBufferHandle hBuf,
VkDevice device);
DVPAPI_INTERFACE
dvpUnbindFromVkDevice(DVPBufferHandle hBuf,
VkDevice device);
DVPAPI_INTERFACE
dvpCreateGPUExternalResourceVkDevice(VkDevice device,
DVPGpuExternalResourceDesc *desc,
DVPBufferHandle *bufferHandle);
DVPAPI_INTERFACE
dvpGetRequiredConstantsVkDevice(uint32_t *bufferAddrAlignment,
uint32_t *bufferGPUStrideAlignment,
uint32_t *semaphoreAddrAlignment,
uint32_t *semaphoreAllocSize,
uint32_t *semaphorePayloadOffset,
uint32_t *semaphorePayloadSize,
VkDevice device);
//------------------------------------------------------------------------
// Function: dvpMapBufferWaitVk
//
// Description: dvpMapBufferWaitVk peforms the same function as
// dvpMapBufferWaitAPI, but allows the specification of which
// vulkan device queue will next use the buffer.
//
// Parameters: gpuBufferHandle[IN] - buffer to synchorise with DVP
// queue[IN] - device queue in which buffer
// is used
//
// Returns: DVP_STATUS_OK
// DVP_STATUS_INVALID_PARAMETER
// DVP_STATUS_ERROR
//------------------------------------------------------------------------
DVPAPI_INTERFACE
dvpMapBufferWaitVk(DVPBufferHandle gpuBufferHandle,
VkQueue queue);
//------------------------------------------------------------------------
// Function: dvpMapBufferEndVk
//
// Description: dvpMapBufferEndVk peforms the same function as
// dvpMapBufferEndAPI, but allows the specification of which
// vulkan device queue the buffer has been used.
//
// Parameters: gpuBufferHandle[IN] - buffer to synchorise with DVP
// queue[IN] - device queue in which buffer
// has been used
//
// Returns: DVP_STATUS_OK
// DVP_STATUS_INVALID_PARAMETER
// DVP_STATUS_ERROR
//------------------------------------------------------------------------
DVPAPI_INTERFACE
dvpMapBufferEndVk(DVPBufferHandle gpuBufferHandle,
VkQueue queue);
#endif