initial commit-moved from vulkan_guide

src/render/vk_renderpass_imgui.h

@@ -0,0 +1,29 @@
+#pragma once
+#include "vk_renderpass.h"
+#include "core/vk_types.h"
+#include <render/rg_types.h>
+
+class ImGuiPass : public IRenderPass
+{
+public:
+    void init(EngineContext *context) override;
+
+    void cleanup() override;
+
+    void execute(VkCommandBuffer cmd) override;
+
+    const char *getName() const override { return "ImGui"; }
+
+    void register_graph(class RenderGraph *graph,
+                        RGImageHandle swapchainHandle);
+
+private:
+    EngineContext *_context = nullptr;
+
+    void draw_imgui(VkCommandBuffer cmd,
+                    EngineContext *context,
+                    const class RGPassResources &resources,
+                    RGImageHandle targetHandle) const;
+
+    DeletionQueue _deletionQueue;
+};