#ifndef _PIPELINE_H_
#define _PIPELINE_H_

#include <vlkn.h>
#include "utils.h"

struct pool_ratio {
	VkDescriptorType type;
	float ratio;
};

struct descriptor_allocator {
	struct array(VkDescriptorPool) full, ready;
	uint32_t set_count;
	size_t ratio_count;
	struct pool_ratio *ratios;
};

struct descriptor_writer {
	enum {
		DESCRIPTOR_WRITER_BUFFER,
		DESCRIPTOR_WRITER_IMAGE,
	} type;
	union {
		VkDescriptorBufferInfo buffer_info;
		VkDescriptorImageInfo image_info;
	};
	VkWriteDescriptorSet write_info;
};

struct vlkn_pipeline {
	struct descriptor_allocator allocator;
	VkDescriptorSetLayout descriptor_layout;
	VkDescriptorSet descriptor_set;
	VkPipelineLayout layout;
	VkPipeline pipeline;
};

#endif