1#ifndef GOG_PIPELINE_H
  2#define GOG_PIPELINE_H
  3
  4#include <vulkan/vulkan_core.h>
  5#include "gogerr.h"
  6
  7
  8
  9typedef enum{
 10	GOG_GRAPHICS_PIPELINE,
 11	GOG_COMPUTE_PIPELINE
 12} gog_pipeline_type;
 13
 14typedef struct {
 15	VkDescriptorSet vk_set;
 16
 17	struct {
 18		VkDescriptorSetLayout vk_layout;
 19		size_t binding_c;
 20	} layout; 
 21} gog_descriptor_set;
 22
 23typedef struct {
 24	VkPushConstantRange vk_range; 
 25	void* p_data;                 
 26	size_t size;                  
 27} gog_push_constants;
 28
 29typedef struct {
 30	VkBuffer vk_buffer;
 31	VkBuffer vk_index_buffer;
 32	
 33	struct {
 34		VkVertexInputAttributeDescription* vk_attrs;
 35		size_t attr_c;
 36		size_t stride;
 37	} layout;
 38     struct
 39	{
 40		uint32_t index_c;
 41		uint32_t instance_c;
 42		uint32_t first_index;
 43		int32_t  v_offset;
 44	}draw_i;
 45} gog_vertex_buffer;
 46
 47typedef struct {
 48	VkImage color_img;
 49	VkImageView color_view;
 50	
 51	VkImage depth_img;
 52	VkImageView depth_view;
 53	
 54	struct {
 55		VkFormat color;
 56		VkFormat depth;
 57		VkSampleCountFlagBits samples;
 58		VkExtent2D extent; 
 59	} format_i;
 60} gog_canvas;
 61
 62
 63typedef struct {
 64	VkCullModeFlags cull_mode;
 65	VkBool32 depth_test;
 66} gog_raster_state;
 67
 68typedef enum {
 69	GOG_MSAA_1 = VK_SAMPLE_COUNT_1_BIT,
 70	GOG_MSAA_2 = VK_SAMPLE_COUNT_2_BIT,
 71	GOG_MSAA_4 = VK_SAMPLE_COUNT_4_BIT,
 72	GOG_MSAA_8 = VK_SAMPLE_COUNT_8_BIT
 73} gog_msaa_level;
 74
 75typedef enum {
 76	GOG_DYNAMIC_VIEWPORT = VK_DYNAMIC_STATE_VIEWPORT,
 77	GOG_DYNAMIC_SCISSOR  = VK_DYNAMIC_STATE_SCISSOR,
 78	GOG_DYNAMIC_LINE_WIDTH = VK_DYNAMIC_STATE_LINE_WIDTH,
 79	GOG_DYNAMIC_DEPTH_BIAS = VK_DYNAMIC_STATE_DEPTH_BIAS
 80} gog_dynamic_state_flag;
 81
 82typedef struct {
 83	gog_pipeline_type type;
 84	VkDevice device;
 85	
 86	gog_descriptor_set* descriptor_set; 
 87	gog_push_constants* push_constants;
 88	
 89	uint32_t shader_c;
 90	struct {
 91		VkShaderModule mod;
 92		VkShaderStageFlagBits stage;
 93	} * shaders_p;
 94	
 95	union {
 96		struct {
 97			gog_vertex_buffer* v_buff;
 98			gog_canvas* canvas;
 99			gog_raster_state* raster;
100			struct {
101				gog_dynamic_state_flag* states;
102				size_t count;
103			} dynamic;
104		} graphics;
105			
106		struct {
107			size_t local_x, local_y, local_z;
108		} compute;
109	};
110} gog_pipeline_ci;
111
112typedef struct{
113	
114	gog_pipeline_type type;
115	VkDevice vk_pipeline_device;
116	VkPipelineBindPoint vk_bind_point;
117	VkPipeline vk_pipeline;
118	VkPipelineLayout vk_pipeline_layout;
119	
120} gog_pipeline_core;
121
122
123typedef struct {
124	gog_canvas * canvas;
125	gog_descriptor_set* resource;
126	gog_push_constants* push_constants;
127
128	VkViewport viewport;
129	VkRect2D   scissor;
130	
131	union {
132		gog_vertex_buffer* v_buff;
133		struct {
134			struct { uint32_t x, y, z; } group_c;
135		} dispatch;
136	};
137} gog_pipeline_i;
138
139
140typedef struct
141{
142	gog_pipeline_core * core;
143	gog_pipeline_i * info;
144	
145} gog_pipeline;
146
147gog_result gog_create_pipeline_core(gog_pipeline_core * core, gog_pipeline_ci ci);
148
149#endif
150
151