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https://github.com/encounter/dawn-cmake.git
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1226684b09
Bug: dawn:269 Change-Id: I514c210f88e2bf1f501e2d814f8ab931c5ed724f Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/126423 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Loko Kung <lokokung@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
// Copyright 2020 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 SRC_DAWN_NATIVE_SURFACE_H_
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#define SRC_DAWN_NATIVE_SURFACE_H_
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#include "dawn/native/Error.h"
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#include "dawn/native/Forward.h"
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#include "dawn/native/ObjectBase.h"
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#include "dawn/native/dawn_platform.h"
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#include "dawn/common/Platform.h"
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#if DAWN_PLATFORM_IS(WINDOWS)
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#include "dawn/native/d3d/d3d_platform.h"
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#endif // DAWN_PLATFORM_IS(WINDOWS)
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// Forward declare IUnknown
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// GetCoreWindow needs to return an IUnknown pointer
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// non-windows platforms don't have this type
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struct IUnknown;
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namespace dawn::native {
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MaybeError ValidateSurfaceDescriptor(const InstanceBase* instance,
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const SurfaceDescriptor* descriptor);
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// A surface is a sum types of all the kind of windows Dawn supports. The OS-specific types
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// aren't used because they would cause compilation errors on other OSes (or require
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// ObjectiveC).
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// The surface is also used to store the current swapchain so that we can detach it when it is
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// replaced.
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class Surface final : public ErrorMonad {
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public:
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static Surface* MakeError(InstanceBase* instance);
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Surface(InstanceBase* instance, const SurfaceDescriptor* descriptor);
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void SetAttachedSwapChain(SwapChainBase* swapChain);
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SwapChainBase* GetAttachedSwapChain();
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// These are valid to call on all Surfaces.
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enum class Type {
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AndroidWindow,
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MetalLayer,
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WaylandSurface,
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WindowsHWND,
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WindowsCoreWindow,
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WindowsSwapChainPanel,
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XlibWindow,
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};
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Type GetType() const;
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InstanceBase* GetInstance() const;
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// Valid to call if the type is MetalLayer
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void* GetMetalLayer() const;
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// Valid to call if the type is Android
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void* GetAndroidNativeWindow() const;
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// Valid to call if the type is WaylandSurface
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void* GetWaylandDisplay() const;
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void* GetWaylandSurface() const;
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// Valid to call if the type is WindowsHWND
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void* GetHInstance() const;
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void* GetHWND() const;
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// Valid to call if the type is WindowsCoreWindow
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IUnknown* GetCoreWindow() const;
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// Valid to call if the type is WindowsSwapChainPanel
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IUnknown* GetSwapChainPanel() const;
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// Valid to call if the type is WindowsXlib
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void* GetXDisplay() const;
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uint32_t GetXWindow() const;
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private:
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Surface(InstanceBase* instance, ErrorMonad::ErrorTag tag);
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~Surface() override;
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Ref<InstanceBase> mInstance;
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Type mType;
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// The swapchain will set this to null when it is destroyed.
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Ref<SwapChainBase> mSwapChain;
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// MetalLayer
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void* mMetalLayer = nullptr;
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// ANativeWindow
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void* mAndroidNativeWindow = nullptr;
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// Wayland
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void* mWaylandDisplay = nullptr;
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void* mWaylandSurface = nullptr;
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// WindowsHwnd
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void* mHInstance = nullptr;
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void* mHWND = nullptr;
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#if DAWN_PLATFORM_IS(WINDOWS)
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// WindowsCoreWindow
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ComPtr<IUnknown> mCoreWindow;
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// WindowsSwapChainPanel
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ComPtr<IUnknown> mSwapChainPanel;
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#endif // DAWN_PLATFORM_IS(WINDOWS)
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// Xlib
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void* mXDisplay = nullptr;
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uint32_t mXWindow = 0;
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};
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// Not defined in webgpu_absl_format.h/cpp because you can't forward-declare a nested type.
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absl::FormatConvertResult<absl::FormatConversionCharSet::kString>
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AbslFormatConvert(Surface::Type value, const absl::FormatConversionSpec& spec, absl::FormatSink* s);
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} // namespace dawn::native
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#endif // SRC_DAWN_NATIVE_SURFACE_H_
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