1 // Copyright 2018 The Dawn Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef DAWNNATIVE_D3D12_NATIVESWAPCHAINIMPLD3D12_H_
16 #define DAWNNATIVE_D3D12_NATIVESWAPCHAINIMPLD3D12_H_
17 
18 #include "dawn_native/d3d12/d3d12_platform.h"
19 
20 #include "dawn/dawn_wsi.h"
21 #include "dawn_native/dawn_platform.h"
22 
23 #include <vector>
24 
25 namespace dawn_native { namespace d3d12 {
26 
27     class Device;
28 
29     class NativeSwapChainImpl {
30       public:
31         using WSIContext = DawnWSIContextD3D12;
32 
33         NativeSwapChainImpl(Device* device, HWND window);
34         ~NativeSwapChainImpl();
35 
36         void Init(DawnWSIContextD3D12* context);
37         DawnSwapChainError Configure(WGPUTextureFormat format,
38                                      WGPUTextureUsage,
39                                      uint32_t width,
40                                      uint32_t height);
41         DawnSwapChainError GetNextTexture(DawnSwapChainNextTexture* nextTexture);
42         DawnSwapChainError Present();
43 
44         wgpu::TextureFormat GetPreferredFormat() const;
45 
46       private:
47         HWND mWindow = nullptr;
48         Device* mDevice = nullptr;
49         UINT mInterval;
50 
51         ComPtr<IDXGISwapChain3> mSwapChain = nullptr;
52         std::vector<ComPtr<ID3D12Resource>> mBuffers;
53         std::vector<uint64_t> mBufferSerials;
54         uint32_t mCurrentBuffer;
55     };
56 
57 }}  // namespace dawn_native::d3d12
58 
59 #endif  // DAWNNATIVE_D3D12_NATIVESWAPCHAINIMPLD3D12_H_
60