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// Copyright 2021 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <d3d11.h>
#include <d3d12.h>
#include <dxgi1_4.h>
#include <wrl/client.h>
#include <memory>
#include <utility>
#include <vector>
#include "VideoViewsTests.h"
#include "dawn/common/Assert.h"
#include "dawn/native/D3D12Backend.h"
using Microsoft::WRL::ComPtr;
class PlatformTextureWin : public VideoViewsTestBackend::PlatformTexture {
public:
explicit PlatformTextureWin(wgpu::Texture&& texture) : PlatformTexture(std::move(texture)) {}
~PlatformTextureWin() override = default;
bool CanWrapAsWGPUTexture() override { return true; }
};
class VideoViewsTestBackendWin : public VideoViewsTestBackend {
public:
~VideoViewsTestBackendWin() override = default;
void OnSetUp(WGPUDevice device) override {
mWGPUDevice = device;
// Create the D3D11 device/contexts that will be used in subsequent tests
ComPtr<ID3D12Device> d3d12Device = dawn::native::d3d12::GetD3D12Device(device);
const LUID adapterLuid = d3d12Device->GetAdapterLuid();
ComPtr<IDXGIFactory4> dxgiFactory;
HRESULT hr = ::CreateDXGIFactory2(0, IID_PPV_ARGS(&dxgiFactory));
ASSERT_EQ(hr, S_OK);
ComPtr<IDXGIAdapter> dxgiAdapter;
hr = dxgiFactory->EnumAdapterByLuid(adapterLuid, IID_PPV_ARGS(&dxgiAdapter));
ASSERT_EQ(hr, S_OK);
ComPtr<ID3D11Device> d3d11Device;
D3D_FEATURE_LEVEL d3dFeatureLevel;
ComPtr<ID3D11DeviceContext> d3d11DeviceContext;
hr = ::D3D11CreateDevice(dxgiAdapter.Get(), D3D_DRIVER_TYPE_UNKNOWN, nullptr, 0, nullptr, 0,
D3D11_SDK_VERSION, &d3d11Device, &d3dFeatureLevel,
&d3d11DeviceContext);
ASSERT_EQ(hr, S_OK);
// Runtime of the created texture (D3D11 device) and OpenSharedHandle runtime (Dawn's
// D3D12 device) must agree on resource sharing capability. For NV12 formats, D3D11
// requires at-least D3D11_SHARED_RESOURCE_TIER_2 support.
// https://docs.microsoft.com/en-us/windows/win32/api/d3d11/ne-d3d11-d3d11_shared_resource_tier
D3D11_FEATURE_DATA_D3D11_OPTIONS5 featureOptions5{};
hr = d3d11Device->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS5, &featureOptions5,
sizeof(featureOptions5));
ASSERT_EQ(hr, S_OK);
ASSERT_GE(featureOptions5.SharedResourceTier, D3D11_SHARED_RESOURCE_TIER_2);
// Not all D3D11 devices support NV12 textures.
UINT formatSupport;
hr = d3d11Device->CheckFormatSupport(DXGI_FORMAT_NV12, &formatSupport);
ASSERT_EQ(hr, S_OK);
ASSERT_TRUE(formatSupport & D3D11_FORMAT_SUPPORT_TEXTURE2D);
mD3d11Device = std::move(d3d11Device);
}
protected:
static DXGI_FORMAT GetDXGITextureFormat(wgpu::TextureFormat format) {
switch (format) {
case wgpu::TextureFormat::R8BG8Biplanar420Unorm:
return DXGI_FORMAT_NV12;
default:
UNREACHABLE();
}
}
std::unique_ptr<VideoViewsTestBackend::PlatformTexture> CreateVideoTextureForTest(
wgpu::TextureFormat format,
wgpu::TextureUsage usage,
bool isCheckerboard,
bool initialized) override {
wgpu::TextureDescriptor textureDesc;
textureDesc.format = format;
textureDesc.dimension = wgpu::TextureDimension::e2D;
textureDesc.usage = usage;
textureDesc.size = {VideoViewsTests::kYUVImageDataWidthInTexels,
VideoViewsTests::kYUVImageDataHeightInTexels, 1};
// Create a DX11 texture with data then wrap it in a shared handle.
D3D11_TEXTURE2D_DESC d3dDescriptor;
d3dDescriptor.Width = VideoViewsTests::kYUVImageDataWidthInTexels;
d3dDescriptor.Height = VideoViewsTests::kYUVImageDataHeightInTexels;
d3dDescriptor.MipLevels = 1;
d3dDescriptor.ArraySize = 1;
d3dDescriptor.Format = GetDXGITextureFormat(format);
d3dDescriptor.SampleDesc.Count = 1;
d3dDescriptor.SampleDesc.Quality = 0;
d3dDescriptor.Usage = D3D11_USAGE_DEFAULT;
d3dDescriptor.BindFlags = D3D11_BIND_SHADER_RESOURCE;
d3dDescriptor.CPUAccessFlags = 0;
d3dDescriptor.MiscFlags =
D3D11_RESOURCE_MISC_SHARED_NTHANDLE | D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX;
std::vector<uint8_t> initialData =
VideoViewsTests::GetTestTextureData(format, isCheckerboard);
D3D11_SUBRESOURCE_DATA subres;
subres.pSysMem = initialData.data();
subres.SysMemPitch = VideoViewsTests::kYUVImageDataWidthInTexels;
ComPtr<ID3D11Texture2D> d3d11Texture;
HRESULT hr = mD3d11Device->CreateTexture2D(
&d3dDescriptor, (initialized ? &subres : nullptr), &d3d11Texture);
ASSERT(hr == S_OK);
ComPtr<IDXGIResource1> dxgiResource;
hr = d3d11Texture.As(&dxgiResource);
ASSERT(hr == S_OK);
HANDLE sharedHandle;
hr = dxgiResource->CreateSharedHandle(
nullptr, DXGI_SHARED_RESOURCE_READ | DXGI_SHARED_RESOURCE_WRITE, nullptr,
&sharedHandle);
ASSERT(hr == S_OK);
// DX11 texture should be initialized upon CreateTexture2D. However, if we do not
// acquire/release the keyed mutex before using the wrapped WebGPU texture, the WebGPU
// texture is left uninitialized. This is required for D3D11 and D3D12 interop.
ComPtr<IDXGIKeyedMutex> dxgiKeyedMutex;
hr = d3d11Texture.As(&dxgiKeyedMutex);
ASSERT(hr == S_OK);
using dawn::native::d3d12::kDXGIKeyedMutexAcquireReleaseKey;
hr = dxgiKeyedMutex->AcquireSync(kDXGIKeyedMutexAcquireReleaseKey, INFINITE);
ASSERT(hr == S_OK);
hr = dxgiKeyedMutex->ReleaseSync(kDXGIKeyedMutexAcquireReleaseKey);
ASSERT(hr == S_OK);
// Open the DX11 texture in Dawn from the shared handle and return it as a WebGPU
// texture.
dawn::native::d3d12::ExternalImageDescriptorDXGISharedHandle externalImageDesc;
externalImageDesc.cTextureDescriptor =
reinterpret_cast<const WGPUTextureDescriptor*>(&textureDesc);
externalImageDesc.sharedHandle = sharedHandle;
std::unique_ptr<dawn::native::d3d12::ExternalImageDXGI> externalImage =
dawn::native::d3d12::ExternalImageDXGI::Create(mWGPUDevice, &externalImageDesc);
// Handle is no longer needed once resources are created.
::CloseHandle(sharedHandle);
dawn::native::d3d12::ExternalImageAccessDescriptorDXGIKeyedMutex externalAccessDesc;
externalAccessDesc.isInitialized = true;
externalAccessDesc.usage = static_cast<WGPUTextureUsageFlags>(textureDesc.usage);
return std::make_unique<PlatformTextureWin>(wgpu::Texture::Acquire(
externalImage->ProduceTexture(mWGPUDevice, &externalAccessDesc)));
}
void DestroyVideoTextureForTest(
std::unique_ptr<VideoViewsTestBackend::PlatformTexture>&& PlatformTexture) override {}
WGPUDevice mWGPUDevice = nullptr;
ComPtr<ID3D11Device> mD3d11Device;
};
// static
BackendTestConfig VideoViewsTestBackend::Backend() {
return D3D12Backend();
}
// static
std::unique_ptr<VideoViewsTestBackend> VideoViewsTestBackend::Create() {
return std::make_unique<VideoViewsTestBackendWin>();
}