video.h

#pragma once
 
#include <banjo/error.h>
#include <banjo/window.h>
 
struct bj_video_layer_t;
struct bj_video_layer_data_t;

typedef void (*bj_window_end_fn_t)(
    struct bj_video_layer_t* p_layer,
    bj_error**               p_error
);

typedef bj_window* (*bj_window_create_window_fn_t)(
    struct bj_video_layer_t* p_layer,
    const char*              title,
    uint16_t                 x,
    uint16_t                 y,
    uint16_t                 width,
    uint16_t                 height,
    uint8_t                  flags
);

typedef void (*bj_window_delete_window_fn_t)(
    struct bj_video_layer_t* p_layer,
    bj_window*               p_window
);

typedef void (*bj_window_poll_events_fn_t)(
    struct bj_video_layer_t* p_layer
);

typedef int (*bj_window_get_size_fn_t)(
    struct bj_video_layer_t* p_layer,
    const bj_window*         p_window,
    int*                     p_width,
    int*                     p_height
);

typedef bj_bitmap* (*bj_window_create_framebuffer_fn_t)(
    struct bj_video_layer_t* p_layer,
    const bj_window*         p_window,
    bj_error**               p_error
);

typedef void (*bj_window_flush_framebuffer_fn_t)(
    struct bj_video_layer_t* p_layer,
    const bj_window*         p_window
);

typedef struct bj_video_layer_t {
    bj_window_end_fn_t                end;                      
    bj_window_create_window_fn_t      create_window;            
    bj_window_delete_window_fn_t      delete_window;            
    bj_window_poll_events_fn_t        poll_events;              
    bj_window_get_size_fn_t           get_window_size;          
    bj_window_create_framebuffer_fn_t create_window_framebuffer;
    bj_window_flush_framebuffer_fn_t  flush_window_framebuffer; 
 
    struct bj_video_layer_data_t*     data;                     
} bj_video_layer;

typedef struct {
    const char* name;                                
    bj_video_layer* (*create)(bj_error** p_error);   
} bj_video_layer_create_info;