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44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
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// Copyright 2020-2022, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief D3D11-backed fence (timeline semaphore) creation routine.
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup aux_d3d
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*/
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#pragma once
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#include "xrt/xrt_compositor.h"
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#include <Unknwn.h>
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#include <d3d11_4.h>
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#include <wil/com.h>
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namespace xrt::auxiliary::d3d {
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/**
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* Allocate a fence (ID3D11Fence) that has a corresponding native handle.
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*
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* D3D fences are roughly equivalent to Vulkan timeline semaphores.
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*
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* @param device A D3D device to allocate with.
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* @param share_cross_adapter True if the fence should be shared across adapters, not only across ID3D11Device
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* instances.
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* @param[out] out_handle A graphics sync handle to populate
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* @param[out] out_d3dfence A COM pointer to the D3D11 fence to populate
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*
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* @return xrt_result_t, one of:
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* - @ref XRT_SUCCESS
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* - @ref XRT_ERROR_ALLOCATION
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* - @ref XRT_ERROR_D3D11
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*/
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xrt_result_t
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createSharedFence(ID3D11Device5 &device,
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bool share_cross_adapter,
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xrt_graphics_sync_handle_t *out_handle,
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wil::com_ptr<ID3D11Fence> &out_d3dfence);
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}; // namespace xrt::auxiliary::d3d
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