gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d11on12.cpp

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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstd3d11on12.h"
#include <d3d11on12.h>
#include <wrl.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
HRESULT
GstD3D11On12CreateDevice (IUnknown * device, IUnknown * command_queue,
IUnknown ** d3d11on12)
{
static const D3D_FEATURE_LEVEL feature_levels[] = {
D3D_FEATURE_LEVEL_12_1,
D3D_FEATURE_LEVEL_12_0,
D3D_FEATURE_LEVEL_11_1,
D3D_FEATURE_LEVEL_11_0,
};
g_return_val_if_fail (device, E_INVALIDARG);
g_return_val_if_fail (command_queue, E_INVALIDARG);
g_return_val_if_fail (d3d11on12, E_INVALIDARG);
IUnknown *cq[] = { command_queue };
ComPtr < ID3D11Device > d3d11device;
auto hr = D3D11On12CreateDevice (device, D3D11_CREATE_DEVICE_BGRA_SUPPORT,
feature_levels, G_N_ELEMENTS (feature_levels), cq, 1, 0, &d3d11device,
nullptr, nullptr);
if (FAILED (hr))
return hr;
ComPtr < ID3D11On12Device > d3d11on12device;
hr = d3d11device.As (&d3d11on12device);
if (FAILED (hr))
return hr;
*d3d11on12 = d3d11on12device.Detach ();
return S_OK;
}
HRESULT
GstD3D11On12CreateWrappedResource (IUnknown * d3d11on12, IUnknown * resource12,
UINT bind_flags, UINT misc_flags, UINT cpu_access_flags,
UINT structure_byte_stride, UINT in_state, UINT out_state,
ID3D11Resource ** resource11)
{
g_return_val_if_fail (d3d11on12, E_INVALIDARG);
g_return_val_if_fail (resource12, E_INVALIDARG);
g_return_val_if_fail (resource11, E_INVALIDARG);
ComPtr < ID3D11On12Device > device;
auto hr = d3d11on12->QueryInterface (IID_PPV_ARGS (&device));
if (FAILED (hr))
return hr;
D3D11_RESOURCE_FLAGS flags = { };
flags.BindFlags = bind_flags;
flags.MiscFlags = misc_flags;
flags.CPUAccessFlags = cpu_access_flags;
flags.StructureByteStride = structure_byte_stride;
ComPtr < ID3D11Resource > resource;
hr = device->CreateWrappedResource (resource12, &flags,
(D3D12_RESOURCE_STATES) in_state, (D3D12_RESOURCE_STATES) out_state,
IID_PPV_ARGS (&resource));
if (FAILED (hr))
return hr;
*resource11 = resource.Detach ();
return S_OK;
}
HRESULT
GstD3D11On12ReleaseWrappedResource (IUnknown * d3d11on12,
ID3D11Resource ** resources, guint num_resources)
{
g_return_val_if_fail (d3d11on12, E_INVALIDARG);
ComPtr < ID3D11On12Device > device;
auto hr = d3d11on12->QueryInterface (IID_PPV_ARGS (&device));
if (FAILED (hr))
return hr;
device->ReleaseWrappedResources (resources, num_resources);
return S_OK;
}
HRESULT
GstD3D11On12AcquireWrappedResource (IUnknown * d3d11on12,
ID3D11Resource ** resources, guint num_resources)
{
g_return_val_if_fail (d3d11on12, E_INVALIDARG);
ComPtr < ID3D11On12Device > device;
auto hr = d3d11on12->QueryInterface (IID_PPV_ARGS (&device));
if (FAILED (hr))
return hr;
device->AcquireWrappedResources (resources, num_resources);
return S_OK;
}