#ifndef PIPELINE_H
#define PIPELINE_H

#include "vulkan/vulkan_core.h"
#include "cglm/types.h"
#include "vk_mem_alloc.h"
#include "command.h"

typedef struct GraphicsPipelineStruct {
  VkPipelineLayout       layout;
  VkPipeline             pipeline;
} GraphicsPipeline;

typedef struct ColoredRectStruct {
  vec3 pos;
  vec2 size;
  vec4 color;
} ColoredRect;

typedef struct UIUniformStruct {
  mat4 screen;
} UIUniform;

typedef struct UILayerStruct {
  VkBuffer colored_rects;
  uint32_t colored_rect_count;

  VkBuffer        textured_rects;
  uint32_t        textured_rect_count;
  VkDescriptorSet textured_rect_descriptor;

  VkBuffer texts;
  uint32_t text_count;
  VkDescriptorSet text_descriptor;
} UILayer;

struct RectBuffer {
  VkBuffer vertex;
  VkBuffer index;

  VmaAllocation vertex_memory;
  VmaAllocation index_memory;
};

VkResult create_ui_colored_rect_pipeline(VkDevice device, VkRenderPass render_pass, VkDescriptorSetLayout descriptor_layout, GraphicsPipeline* pipeline);


VkResult create_ui_descriptor_set(VkDevice device, VmaAllocator allocator, VkExtent2D swapchain_extent, VkDescriptorSetLayout* ui_descriptor_layout, VkDescriptorPool* ui_descriptor_pool, VkDescriptorSet* ui_descriptor_set, VmaAllocation* ui_descriptor_memory, VkBuffer* ui_descriptor_buffer);

VkResult create_ui_rect_buffer(VkDevice device, Queue transfer_queue, VkCommandPool transfer_pool, VmaAllocator allocator, struct RectBuffer* buf);

#endif