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// vk-swap-chain.h
#pragma once
#include "vk-base.h"
#include "vk-command-queue.h"
#include "vk-device.h"
#include "vk-texture.h"
namespace gfx
{
using namespace Slang;
namespace vk
{
class SwapchainImpl : public ISwapchain, public ComObject
{
public:
SLANG_COM_OBJECT_IUNKNOWN_ALL
ISwapchain* getInterface(const Guid& guid);
public:
VkSwapchainKHR m_swapChain;
VkSurfaceKHR m_surface;
VkSemaphore m_nextImageSemaphore; // Semaphore to signal after `acquireNextImage`.
ISwapchain::Desc m_desc;
VkFormat m_vkformat;
RefPtr<CommandQueueImpl> m_queue;
ShortList<RefPtr<TextureResourceImpl>> m_images;
RefPtr<DeviceImpl> m_renderer;
VulkanApi* m_api;
uint32_t m_currentImageIndex = 0;
WindowHandle m_windowHandle;
#if SLANG_APPLE_FAMILY
void* m_metalLayer;
#endif
void destroySwapchainAndImages();
void getWindowSize(int* widthOut, int* heightOut) const;
Result createSwapchainAndImages();
public:
~SwapchainImpl();
static Index _indexOfFormat(List<VkSurfaceFormatKHR>& formatsIn, VkFormat format);
Result init(DeviceImpl* renderer, const ISwapchain::Desc& desc, WindowHandle window);
virtual SLANG_NO_THROW const Desc& SLANG_MCALL getDesc() override { return m_desc; }
virtual SLANG_NO_THROW Result SLANG_MCALL
getImage(GfxIndex index, ITextureResource** outResource) override;
virtual SLANG_NO_THROW Result SLANG_MCALL resize(GfxCount width, GfxCount height) override;
virtual SLANG_NO_THROW Result SLANG_MCALL present() override;
virtual SLANG_NO_THROW int SLANG_MCALL acquireNextImage() override;
virtual SLANG_NO_THROW bool SLANG_MCALL isOccluded() override { return false; }
virtual SLANG_NO_THROW Result SLANG_MCALL setFullScreenMode(bool mode) override;
};
} // namespace vk
} // namespace gfx
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