1 files changed, 92 insertions, 0 deletions
diff --git a/src/video_core/renderer_vulkan/vk_swapchain.h b/src/video_core/renderer_vulkan/vk_swapchain.h
new file mode 100644
index 000000000..2ad84f185
--- /dev/null
+++ b/src/video_core/renderer_vulkan/vk_swapchain.h
@@ -0,0 +1,92 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common_types.h"
+#include "video_core/renderer_vulkan/declarations.h"
+
+namespace Layout {
+struct FramebufferLayout;
+}
+
+namespace Vulkan {
+
+class VKDevice;
+class VKFence;
+
+class VKSwapchain {
+public:
+    explicit VKSwapchain(vk::SurfaceKHR surface, const VKDevice& device);
+    ~VKSwapchain();
+
+    /// Creates (or recreates) the swapchain with a given size.
+    void Create(u32 width, u32 height);
+
+    /// Acquires the next image in the swapchain, waits as needed.
+    void AcquireNextImage();
+
+    /// Presents the rendered image to the swapchain. Returns true when the swapchains had to be
+    /// recreated. Takes responsability for the ownership of fence.
+    bool Present(vk::Semaphore render_semaphore, VKFence& fence);
+
+    /// Returns true when the framebuffer layout has changed.
+    bool HasFramebufferChanged(const Layout::FramebufferLayout& framebuffer) const;
+
+    const vk::Extent2D& GetSize() const {
+        return extent;
+    }
+
+    u32 GetImageCount() const {
+        return image_count;
+    }
+
+    u32 GetImageIndex() const {
+        return image_index;
+    }
+
+    vk::Image GetImageIndex(u32 index) const {
+        return images[index];
+    }
+
+    vk::ImageView GetImageViewIndex(u32 index) const {
+        return *image_views[index];
+    }
+
+    vk::Format GetImageFormat() const {
+        return image_format;
+    }
+
+private:
+    void CreateSwapchain(const vk::SurfaceCapabilitiesKHR& capabilities, u32 width, u32 height);
+    void CreateSemaphores();
+    void CreateImageViews();
+
+    void Destroy();
+
+    const vk::SurfaceKHR surface;
+    const VKDevice& device;
+
+    UniqueSwapchainKHR swapchain;
+
+    u32 image_count{};
+    std::vector<vk::Image> images;
+    std::vector<UniqueImageView> image_views;
+    std::vector<UniqueFramebuffer> framebuffers;
+    std::vector<VKFence*> fences;
+    std::vector<UniqueSemaphore> present_semaphores;
+
+    u32 image_index{};
+    u32 frame_index{};
+
+    vk::Format image_format{};
+    vk::Extent2D extent{};
+
+    u32 current_width{};
+    u32 current_height{};
+};
+
+} // namespace Vulkan