71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
// Copyright 2017 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 DAWNNATIVE_SWAPCHAIN_H_
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#define DAWNNATIVE_SWAPCHAIN_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/dawn_wsi.h"
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#include "dawn_native/dawn_platform.h"
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namespace dawn_native {
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MaybeError ValidateSwapChainDescriptor(const DeviceBase* device,
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const SwapChainDescriptor* descriptor);
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class SwapChainBase : public ObjectBase {
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public:
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SwapChainBase(DeviceBase* device, const SwapChainDescriptor* descriptor);
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~SwapChainBase();
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static SwapChainBase* MakeError(DeviceBase* device);
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// Dawn API
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void Configure(wgpu::TextureFormat format,
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wgpu::TextureUsage allowedUsage,
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uint32_t width,
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uint32_t height);
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TextureBase* GetNextTexture();
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void Present(TextureBase* texture);
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protected:
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SwapChainBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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const DawnSwapChainImplementation& GetImplementation();
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virtual TextureBase* GetNextTextureImpl(const TextureDescriptor*) = 0;
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virtual MaybeError OnBeforePresent(TextureBase* texture) = 0;
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private:
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MaybeError ValidateConfigure(wgpu::TextureFormat format,
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wgpu::TextureUsage allowedUsage,
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uint32_t width,
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uint32_t height) const;
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MaybeError ValidateGetNextTexture() const;
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MaybeError ValidatePresent(TextureBase* texture) const;
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DawnSwapChainImplementation mImplementation = {};
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wgpu::TextureFormat mFormat = {};
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wgpu::TextureUsage mAllowedUsage;
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uint32_t mWidth = 0;
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uint32_t mHeight = 0;
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TextureBase* mLastNextTexture = nullptr;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_SWAPCHAIN_H_
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