58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
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/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/win/create_direct3d_device.h"
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#include <libloaderapi.h>
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#include <utility>
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namespace {
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FARPROC LoadD3D11Function(const char* function_name) {
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static HMODULE const handle =
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::LoadLibraryExW(L"d3d11.dll", nullptr, LOAD_LIBRARY_SEARCH_SYSTEM32);
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return handle ? ::GetProcAddress(handle, function_name) : nullptr;
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}
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decltype(&::CreateDirect3D11DeviceFromDXGIDevice)
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GetCreateDirect3D11DeviceFromDXGIDevice() {
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static decltype(&::CreateDirect3D11DeviceFromDXGIDevice) const function =
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reinterpret_cast<decltype(&::CreateDirect3D11DeviceFromDXGIDevice)>(
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LoadD3D11Function("CreateDirect3D11DeviceFromDXGIDevice"));
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return function;
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}
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} // namespace
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namespace webrtc {
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bool ResolveCoreWinRTDirect3DDelayload() {
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return GetCreateDirect3D11DeviceFromDXGIDevice();
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}
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HRESULT CreateDirect3DDeviceFromDXGIDevice(
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IDXGIDevice* dxgi_device,
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ABI::Windows::Graphics::DirectX::Direct3D11::IDirect3DDevice**
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out_d3d11_device) {
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decltype(&::CreateDirect3D11DeviceFromDXGIDevice) create_d3d11_device_func =
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GetCreateDirect3D11DeviceFromDXGIDevice();
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if (!create_d3d11_device_func)
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return E_FAIL;
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Microsoft::WRL::ComPtr<IInspectable> inspectableSurface;
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HRESULT hr = create_d3d11_device_func(dxgi_device, &inspectableSurface);
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if (FAILED(hr))
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return hr;
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return inspectableSurface->QueryInterface(IID_PPV_ARGS(out_d3d11_device));
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}
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} // namespace webrtc
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