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// Copyright 2018 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_VULKAN_SWAPCHAINVK_H_
#define DAWNNATIVE_VULKAN_SWAPCHAINVK_H_
#include "dawn_native/SwapChain.h"
#include "common/vulkan_platform.h"
#include <vector>
namespace dawn::native::vulkan {
class Device;
class Texture;
struct VulkanSurfaceInfo;
class OldSwapChain : public OldSwapChainBase {
public:
static Ref<OldSwapChain> Create(Device* device, const SwapChainDescriptor* descriptor);
protected:
OldSwapChain(Device* device, const SwapChainDescriptor* descriptor);
~OldSwapChain() override;
TextureBase* GetNextTextureImpl(const TextureDescriptor* descriptor) override;
MaybeError OnBeforePresent(TextureViewBase* texture) override;
private:
wgpu::TextureUsage mTextureUsage;
};
class SwapChain : public NewSwapChainBase {
public:
static ResultOrError<Ref<SwapChain>> Create(Device* device,
Surface* surface,
NewSwapChainBase* previousSwapChain,
const SwapChainDescriptor* descriptor);
~SwapChain() override;
private:
using NewSwapChainBase::NewSwapChainBase;
MaybeError Initialize(NewSwapChainBase* previousSwapChain);
void DestroyImpl() override;
struct Config {
// Information that's passed to vulkan swapchain creation.
VkPresentModeKHR presentMode;
VkExtent2D extent;
VkImageUsageFlags usage;
VkFormat format;
VkColorSpaceKHR colorSpace;
uint32_t targetImageCount;
VkSurfaceTransformFlagBitsKHR transform;
VkCompositeAlphaFlagBitsKHR alphaMode;
// Redundant information but as WebGPU enums to create the wgpu::Texture that
// encapsulates the native swapchain texture.
wgpu::TextureUsage wgpuUsage;
wgpu::TextureFormat wgpuFormat;
// Information about the blit workarounds we need to do (if any)
bool needsBlit = false;
};
ResultOrError<Config> ChooseConfig(const VulkanSurfaceInfo& surfaceInfo) const;
ResultOrError<TextureViewBase*> GetCurrentTextureViewInternal(bool isReentrant = false);
// NewSwapChainBase implementation
MaybeError PresentImpl() override;
ResultOrError<TextureViewBase*> GetCurrentTextureViewImpl() override;
void DetachFromSurfaceImpl() override;
Config mConfig;
VkSurfaceKHR mVkSurface = VK_NULL_HANDLE;
VkSwapchainKHR mSwapChain = VK_NULL_HANDLE;
std::vector<VkImage> mSwapChainImages;
uint32_t mLastImageIndex = 0;
Ref<Texture> mBlitTexture;
Ref<Texture> mTexture;
};
} // namespace dawn::native::vulkan
#endif // DAWNNATIVE_VULKAN_SWAPCHAINVK_H_