| // Copyright 2017 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. |
| |
| #ifndef DAWNNATIVE_D3D12_SWAPCHAIND3D12_H_ |
| #define DAWNNATIVE_D3D12_SWAPCHAIND3D12_H_ |
| |
| #include "dawn_native/SwapChain.h" |
| |
| #include "dawn_native/IntegerTypes.h" |
| #include "dawn_native/d3d12/d3d12_platform.h" |
| |
| namespace dawn::native::d3d12 { |
| |
| class Device; |
| class Texture; |
| |
| class OldSwapChain final : public OldSwapChainBase { |
| public: |
| static Ref<OldSwapChain> Create(Device* device, const SwapChainDescriptor* descriptor); |
| |
| protected: |
| OldSwapChain(Device* device, const SwapChainDescriptor* descriptor); |
| ~OldSwapChain() override; |
| TextureBase* GetNextTextureImpl(const TextureDescriptor* descriptor) override; |
| MaybeError OnBeforePresent(TextureViewBase* view) override; |
| |
| wgpu::TextureUsage mTextureUsage; |
| }; |
| |
| class SwapChain final : public NewSwapChainBase { |
| public: |
| static ResultOrError<Ref<SwapChain>> Create(Device* device, |
| Surface* surface, |
| NewSwapChainBase* previousSwapChain, |
| const SwapChainDescriptor* descriptor); |
| |
| private: |
| ~SwapChain() override; |
| |
| void DestroyImpl() override; |
| |
| using NewSwapChainBase::NewSwapChainBase; |
| MaybeError Initialize(NewSwapChainBase* previousSwapChain); |
| |
| struct Config { |
| // Information that's passed to the D3D12 swapchain creation call. |
| UINT bufferCount; |
| UINT swapChainFlags; |
| DXGI_FORMAT format; |
| DXGI_USAGE usage; |
| }; |
| |
| // NewSwapChainBase implementation |
| MaybeError PresentImpl() override; |
| ResultOrError<TextureViewBase*> GetCurrentTextureViewImpl() override; |
| void DetachFromSurfaceImpl() override; |
| |
| // Does the swapchain initialization steps assuming there is nothing we can reuse. |
| MaybeError InitializeSwapChainFromScratch(); |
| // Does the swapchain initialization step of gathering the buffers. |
| MaybeError CollectSwapChainBuffers(); |
| // Calls DetachFromSurface but also synchronously waits until all references to the |
| // swapchain and buffers are removed, as that's a constraint for some DXGI operations. |
| MaybeError DetachAndWaitForDeallocation(); |
| |
| Config mConfig; |
| |
| ComPtr<IDXGISwapChain3> mDXGISwapChain; |
| std::vector<ComPtr<ID3D12Resource>> mBuffers; |
| std::vector<ExecutionSerial> mBufferLastUsedSerials; |
| uint32_t mCurrentBuffer = 0; |
| |
| Ref<Texture> mApiTexture; |
| }; |
| |
| } // namespace dawn::native::d3d12 |
| |
| #endif // DAWNNATIVE_D3D12_SWAPCHAIN_D3D12_H_ |