112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef INCLUDE_DAWN_NATIVE_D3D12BACKEND_H_
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#define INCLUDE_DAWN_NATIVE_D3D12BACKEND_H_
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#include <dawn/dawn_wsi.h>
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#include <dawn/native/DawnNative.h>
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#include <DXGI1_4.h>
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#include <d3d12.h>
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#include <windows.h>
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#include <wrl/client.h>
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#include <memory>
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struct ID3D12Device;
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struct ID3D12Resource;
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namespace dawn::native::d3d12 {
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class D3D11on12ResourceCache;
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DAWN_NATIVE_EXPORT Microsoft::WRL::ComPtr<ID3D12Device> GetD3D12Device(WGPUDevice device);
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DAWN_NATIVE_EXPORT DawnSwapChainImplementation CreateNativeSwapChainImpl(WGPUDevice device,
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HWND window);
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DAWN_NATIVE_EXPORT WGPUTextureFormat
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GetNativeSwapChainPreferredFormat(const DawnSwapChainImplementation* swapChain);
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enum MemorySegment {
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Local,
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NonLocal,
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};
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DAWN_NATIVE_EXPORT uint64_t SetExternalMemoryReservation(WGPUDevice device,
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uint64_t requestedReservationSize,
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MemorySegment memorySegment);
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struct DAWN_NATIVE_EXPORT ExternalImageDescriptorDXGISharedHandle : ExternalImageDescriptor {
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public:
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ExternalImageDescriptorDXGISharedHandle();
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// Note: SharedHandle must be a handle to a texture object.
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HANDLE sharedHandle;
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};
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// Keyed mutex acquire/release uses a fixed key of 0 to match Chromium behavior.
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constexpr UINT64 kDXGIKeyedMutexAcquireReleaseKey = 0;
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struct DAWN_NATIVE_EXPORT ExternalImageAccessDescriptorDXGIKeyedMutex
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: ExternalImageAccessDescriptor {
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public:
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// TODO(chromium:1241533): Remove deprecated keyed mutex params after removing associated
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// code from Chromium - we use a fixed key of 0 for acquire and release everywhere now.
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uint64_t acquireMutexKey;
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uint64_t releaseMutexKey;
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bool isSwapChainTexture = false;
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};
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class DAWN_NATIVE_EXPORT ExternalImageDXGI {
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public:
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~ExternalImageDXGI();
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// Note: SharedHandle must be a handle to a texture object.
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static std::unique_ptr<ExternalImageDXGI> Create(
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WGPUDevice device,
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const ExternalImageDescriptorDXGISharedHandle* descriptor);
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WGPUTexture ProduceTexture(WGPUDevice device,
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const ExternalImageAccessDescriptorDXGIKeyedMutex* descriptor);
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private:
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ExternalImageDXGI(Microsoft::WRL::ComPtr<ID3D12Resource> d3d12Resource,
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const WGPUTextureDescriptor* descriptor);
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Microsoft::WRL::ComPtr<ID3D12Resource> mD3D12Resource;
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// Contents of WGPUTextureDescriptor are stored individually since the descriptor
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// could outlive this image.
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WGPUTextureUsageFlags mUsage;
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WGPUTextureUsageFlags mUsageInternal = WGPUTextureUsage_None;
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WGPUTextureDimension mDimension;
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WGPUExtent3D mSize;
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WGPUTextureFormat mFormat;
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uint32_t mMipLevelCount;
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uint32_t mSampleCount;
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std::unique_ptr<D3D11on12ResourceCache> mD3D11on12ResourceCache;
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};
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struct DAWN_NATIVE_EXPORT AdapterDiscoveryOptions : public AdapterDiscoveryOptionsBase {
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AdapterDiscoveryOptions();
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explicit AdapterDiscoveryOptions(Microsoft::WRL::ComPtr<IDXGIAdapter> adapter);
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Microsoft::WRL::ComPtr<IDXGIAdapter> dxgiAdapter;
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};
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} // namespace dawn::native::d3d12
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#endif // INCLUDE_DAWN_NATIVE_D3D12BACKEND_H_
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