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/IntegerTypes.h"
22 #include "dawn_native/dawn_platform.h"
23 
24 #include <vector>
25 
26 namespace dawn_native { namespace d3d12 {
27 
28     class Device;
29 
30     class NativeSwapChainImpl {
31       public:
32         using WSIContext = DawnWSIContextD3D12;
33 
34         NativeSwapChainImpl(Device* device, HWND window);
35         ~NativeSwapChainImpl();
36 
37         void Init(DawnWSIContextD3D12* context);
38         DawnSwapChainError Configure(WGPUTextureFormat format,
39                                      WGPUTextureUsage,
40                                      uint32_t width,
41                                      uint32_t height);
42         DawnSwapChainError GetNextTexture(DawnSwapChainNextTexture* nextTexture);
43         DawnSwapChainError Present();
44 
45         wgpu::TextureFormat GetPreferredFormat() const;
46 
47       private:
48         HWND mWindow = nullptr;
49         Device* mDevice = nullptr;
50         UINT mInterval;
51 
52         ComPtr<IDXGISwapChain3> mSwapChain = nullptr;
53         std::vector<ComPtr<ID3D12Resource>> mBuffers;
54         std::vector<ExecutionSerial> mBufferSerials;
55         uint32_t mCurrentBuffer;
56     };
57 
58 }}  // namespace dawn_native::d3d12
59 
60 #endif  // DAWNNATIVE_D3D12_NATIVESWAPCHAINIMPLD3D12_H_
61