Implement Utah teapot model loading

gpu.h

@@ -2,17 +2,13 @@
 #define GPU_H
 
 #include "linear_alg.h"
+#include "model.h"
 
 #define GLFW_INCLUDE_VULKAN
 #include <GLFW/glfw3.h>
 
 #define SWAPCHAIN_IMG_BUFFER_SIZE 4
 
-typedef struct {
-	vec3_t position;
-	vec3_t colour;
-} vertex_t;
-
 typedef struct {
 	mat4_t model;
 	mat4_t view;
@@ -53,13 +49,9 @@ typedef struct {
 typedef struct {
 	const char *application_name;
 	GLFWwindow *window;
-	const vertex_t *vertex_data;
-	size_t vertex_data_size;
-	const uint16_t *index_data;
-	size_t index_data_size;
 } gpu_config_t;
 
-void gpu_init(gpu_ctx_t *ctx, const gpu_config_t *config);
+void gpu_init(gpu_ctx_t *ctx, const gpu_config_t *config, model_t model);
 void gpu_cleanup(const gpu_ctx_t *ctx);
 void gpu_render(const gpu_ctx_t *ctx, const mvp_t *mvp);