instanced_rendering.h

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#ifndef INSTANCED_RENDERING_H
#define INSTANCED_RENDERING_H
 
#include "gl_common.h"
#include <cglm/cglm.h>
 
typedef struct {
    mat4 model;      
    vec3 albedo;     
    float metallic;  
    float roughness; 
    float ao;        
    float padding;   
} __attribute__((aligned(SIMD_ALIGNMENT))) SphereInstance;
 
typedef struct {
    GLuint vao; 
    GLuint instance_vbo; 
    int instance_count;  
} InstancedGroup;
 
void instanced_group_init(InstancedGroup* group, const SphereInstance* data,
                          int count);
 
void instanced_group_bind_mesh(InstancedGroup* group, GLuint vbo, GLuint nbo,
                               GLuint ebo);
 
void instanced_group_draw(InstancedGroup* group, size_t index_count);
 
void instanced_group_cleanup(InstancedGroup* group);
 
#endif /* INSTANCED_RENDERING_H */