dolphin/Source/Core/VideoBackends/Vulkan/SwapChain.h

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// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/WindowSystemInfo.h"
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#include "VideoBackends/Vulkan/Constants.h"
#include "VideoCommon/TextureConfig.h"
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namespace Vulkan
{
class CommandBufferManager;
class ObjectCache;
class VKTexture;
class VKFramebuffer;
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class SwapChain
{
public:
SwapChain(const WindowSystemInfo& wsi, VkSurfaceKHR surface, bool vsync);
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~SwapChain();
// Creates a vulkan-renderable surface for the specified window handle.
static VkSurfaceKHR CreateVulkanSurface(VkInstance instance, const WindowSystemInfo& wsi);
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// Create a new swap chain from a pre-existing surface.
static std::unique_ptr<SwapChain> Create(const WindowSystemInfo& wsi, VkSurfaceKHR surface,
bool vsync);
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VkSurfaceKHR GetSurface() const { return m_surface; }
VkSurfaceFormatKHR GetSurfaceFormat() const { return m_surface_format; }
AbstractTextureFormat GetTextureFormat() const { return m_texture_format; }
bool IsVSyncEnabled() const { return m_vsync_enabled; }
bool IsStereoEnabled() const { return m_layers == 2; }
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VkSwapchainKHR GetSwapChain() const { return m_swap_chain; }
u32 GetWidth() const { return m_width; }
u32 GetHeight() const { return m_height; }
u32 GetCurrentImageIndex() const { return m_current_swap_chain_image_index; }
VkImage GetCurrentImage() const
{
return m_swap_chain_images[m_current_swap_chain_image_index].image;
}
VKTexture* GetCurrentTexture() const
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{
return m_swap_chain_images[m_current_swap_chain_image_index].texture.get();
}
VKFramebuffer* GetCurrentFramebuffer() const
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{
return m_swap_chain_images[m_current_swap_chain_image_index].framebuffer.get();
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}
VkResult AcquireNextImage();
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bool RecreateSurface(void* native_handle);
bool ResizeSwapChain();
bool RecreateSwapChain();
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// Change vsync enabled state. This may fail as it causes a swapchain recreation.
bool SetVSync(bool enabled);
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private:
bool SelectSurfaceFormat();
bool SelectPresentMode();
bool CreateSwapChain();
void DestroySwapChain();
bool SetupSwapChainImages();
void DestroySwapChainImages();
void DestroySurface();
struct SwapChainImage
{
VkImage image;
std::unique_ptr<VKTexture> texture;
std::unique_ptr<VKFramebuffer> framebuffer;
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};
WindowSystemInfo m_wsi;
VkSurfaceKHR m_surface = VK_NULL_HANDLE;
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VkSurfaceFormatKHR m_surface_format = {};
VkPresentModeKHR m_present_mode = VK_PRESENT_MODE_RANGE_SIZE_KHR;
AbstractTextureFormat m_texture_format = AbstractTextureFormat::Undefined;
bool m_vsync_enabled;
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VkSwapchainKHR m_swap_chain = VK_NULL_HANDLE;
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std::vector<SwapChainImage> m_swap_chain_images;
u32 m_current_swap_chain_image_index = 0;
u32 m_width = 0;
u32 m_height = 0;
u32 m_layers = 0;
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};
} // namespace Vulkan