Next part of the tutorial where we have a couple compute shaders controlled by ImGUI.

vk_engine.h

@@ -6,6 +6,22 @@
 #include <vk_types.h>
 #include <vk_descriptors.h>
 
+struct ComputePushConstants {
+  glm::vec4 data1;
+  glm::vec4 data2;
+  glm::vec4 data3;
+  glm::vec4 data4;
+};
+
+struct ComputeEffect {
+  const char *name;
+  VkPipeline pipeline;
+  VkPipelineLayout layout;
+
+  ComputePushConstants data;
+};
+
+
 struct DeletionQueue {
   std::deque<std::function<void()>> deletors;
 
@@ -85,6 +101,10 @@ public:
   struct SDL_Window* _window{ nullptr };
   DeletionQueue _mainDeletionQueue;
 
+  // imgui shader stuff
+  std::vector<ComputeEffect> backgroundEffects;
+  int currentBackgroundEffect{0};
+
   static VulkanEngine& Get();
 
   //initializes everything in the engine
@@ -115,4 +135,5 @@ private:
   void destroy_swapchain();
   void draw_background(VkCommandBuffer cmd);
   void draw_imgui(VkCommandBuffer cmd, VkImageView targetImageView);
+  void render_imgui();
 };