| // Copyright 2020 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 SRC_DAWN_NATIVE_SURFACE_H_ |
| #define SRC_DAWN_NATIVE_SURFACE_H_ |
| |
| #include "dawn/native/Error.h" |
| #include "dawn/native/Forward.h" |
| #include "dawn/native/ObjectBase.h" |
| |
| #include "dawn/native/dawn_platform.h" |
| |
| #include "dawn/common/Platform.h" |
| |
| #if DAWN_PLATFORM_IS(WINDOWS) |
| #include "dawn/native/d3d/d3d_platform.h" |
| #endif // DAWN_PLATFORM_IS(WINDOWS) |
| |
| // Forward declare IUnknown |
| // GetCoreWindow needs to return an IUnknown pointer |
| // non-windows platforms don't have this type |
| struct IUnknown; |
| |
| namespace dawn::native { |
| |
| MaybeError ValidateSurfaceDescriptor(const InstanceBase* instance, |
| const SurfaceDescriptor* descriptor); |
| |
| // A surface is a sum types of all the kind of windows Dawn supports. The OS-specific types |
| // aren't used because they would cause compilation errors on other OSes (or require |
| // ObjectiveC). |
| // The surface is also used to store the current swapchain so that we can detach it when it is |
| // replaced. |
| class Surface final : public ErrorMonad { |
| public: |
| static Surface* MakeError(InstanceBase* instance); |
| |
| Surface(InstanceBase* instance, const SurfaceDescriptor* descriptor); |
| |
| void SetAttachedSwapChain(SwapChainBase* swapChain); |
| SwapChainBase* GetAttachedSwapChain(); |
| |
| // These are valid to call on all Surfaces. |
| enum class Type { |
| AndroidWindow, |
| MetalLayer, |
| WaylandSurface, |
| WindowsHWND, |
| WindowsCoreWindow, |
| WindowsSwapChainPanel, |
| XlibWindow, |
| }; |
| Type GetType() const; |
| InstanceBase* GetInstance() const; |
| |
| // Valid to call if the type is MetalLayer |
| void* GetMetalLayer() const; |
| |
| // Valid to call if the type is Android |
| void* GetAndroidNativeWindow() const; |
| |
| // Valid to call if the type is WaylandSurface |
| void* GetWaylandDisplay() const; |
| void* GetWaylandSurface() const; |
| |
| // Valid to call if the type is WindowsHWND |
| void* GetHInstance() const; |
| void* GetHWND() const; |
| |
| // Valid to call if the type is WindowsCoreWindow |
| IUnknown* GetCoreWindow() const; |
| |
| // Valid to call if the type is WindowsSwapChainPanel |
| IUnknown* GetSwapChainPanel() const; |
| |
| // Valid to call if the type is WindowsXlib |
| void* GetXDisplay() const; |
| uint32_t GetXWindow() const; |
| |
| private: |
| Surface(InstanceBase* instance, ErrorMonad::ErrorTag tag); |
| ~Surface() override; |
| |
| Ref<InstanceBase> mInstance; |
| Type mType; |
| |
| // The swapchain will set this to null when it is destroyed. |
| Ref<SwapChainBase> mSwapChain; |
| |
| // MetalLayer |
| void* mMetalLayer = nullptr; |
| |
| // ANativeWindow |
| void* mAndroidNativeWindow = nullptr; |
| |
| // Wayland |
| void* mWaylandDisplay = nullptr; |
| void* mWaylandSurface = nullptr; |
| |
| // WindowsHwnd |
| void* mHInstance = nullptr; |
| void* mHWND = nullptr; |
| |
| #if defined(DAWN_USE_WINDOWS_UI) |
| // WindowsCoreWindow |
| ComPtr<IUnknown> mCoreWindow; |
| |
| // WindowsSwapChainPanel |
| ComPtr<IUnknown> mSwapChainPanel; |
| #endif // defined(DAWN_USE_WINDOWS_UI) |
| |
| // Xlib |
| void* mXDisplay = nullptr; |
| uint32_t mXWindow = 0; |
| }; |
| |
| // Not defined in webgpu_absl_format.h/cpp because you can't forward-declare a nested type. |
| absl::FormatConvertResult<absl::FormatConversionCharSet::kString> |
| AbslFormatConvert(Surface::Type value, const absl::FormatConversionSpec& spec, absl::FormatSink* s); |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_SURFACE_H_ |