Updates

engine/src/render_context.hpp

@@ -0,0 +1,68 @@
+#pragma once
+
+#include <array>
+#include <memory>
+#include <sophia/types.hpp>
+#include <vector>
+#include <vulkan/vulkan.hpp>
+
+#include "device.hpp"
+#include "swapchain.hpp"
+#include "window.hpp"
+
+namespace sophia {
+
+struct FrameData {
+  vk::CommandBuffer commandBuffer;
+  vk::UniqueSemaphore imageAvailable;
+  vk::UniqueFence inFlight;
+};
+
+class RenderContext {
+ public:
+  static constexpr u32 MAX_FRAMES_IN_FLIGHT = 2;
+
+  RenderContext(const RenderContext&) = delete;
+  RenderContext& operator=(const RenderContext&) = delete;
+
+  RenderContext(Window& window, Device& device);
+  ~RenderContext();
+
+  vk::CommandBuffer beginFrame();
+  void endFrame();
+
+  void transitionCurrentImage(vk::CommandBuffer commandBuffer,
+                              vk::ImageLayout newLayout) const {
+    this->swapchain->getImage(static_cast<int>(this->currentImageIndex))
+        .transitionLayout(commandBuffer, newLayout);
+  }
+  vk::ImageView getCurrentImageView() const {
+    return this->swapchain->getImageView(
+        static_cast<int>(this->currentImageIndex));
+  }
+
+  vk::Extent2D getExtent() const { return this->swapchain->getExtent(); }
+  vk::Format getImageFormat() const {
+    return this->swapchain->getImageFormat();
+  }
+
+ private:
+  void recreateSwapchain();
+  void createFrames();
+
+  Window& window;
+  Device& device;
+
+  std::unique_ptr<Swapchain> swapchain;
+
+  std::array<FrameData, MAX_FRAMES_IN_FLIGHT> frames;
+
+  std::vector<vk::UniqueSemaphore> renderFinishedSemaphores;
+  std::vector<vk::Fence> imagesInFlight;
+
+  u32 currentFrameIndex = 0;
+  u32 currentImageIndex = 0;
+  bool isFrameStarted = false;
+};
+
+}  // namespace sophia