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// Copyright 2017 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 DAWNNATIVE_SWAPCHAIN_H_
#define DAWNNATIVE_SWAPCHAIN_H_
#include "dawn_native/Builder.h"
#include "dawn_native/Forward.h"
#include "dawn_native/ObjectBase.h"
#include "dawn/dawn_wsi.h"
#include "dawn_native/dawn_platform.h"
namespace dawn_native {
class SwapChainBase : public ObjectBase {
public:
SwapChainBase(SwapChainBuilder* builder);
~SwapChainBase();
// Dawn API
void Configure(dawn::TextureFormat format,
dawn::TextureUsageBit allowedUsage,
uint32_t width,
uint32_t height);
TextureBase* GetNextTexture();
void Present(TextureBase* texture);
protected:
const dawnSwapChainImplementation& GetImplementation();
virtual TextureBase* GetNextTextureImpl(const TextureDescriptor*) = 0;
virtual void OnBeforePresent(TextureBase* texture) = 0;
private:
dawnSwapChainImplementation mImplementation = {};
dawn::TextureFormat mFormat = {};
dawn::TextureUsageBit mAllowedUsage;
uint32_t mWidth = 0;
uint32_t mHeight = 0;
TextureBase* mLastNextTexture = nullptr;
};
class SwapChainBuilder : public Builder<SwapChainBase> {
public:
SwapChainBuilder(DeviceBase* device);
// Dawn API
SwapChainBase* GetResultImpl() override;
void SetImplementation(uint64_t implementation);
private:
friend class SwapChainBase;
dawnSwapChainImplementation mImplementation = {};
};
} // namespace dawn_native
#endif // DAWNNATIVE_SWAPCHAIN_H_