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Framebuffer (framebuffer)

Framebuffer display.

Device Type​

DEVICE_TYPE_FRAMEBUFFER

Struct​

struct framebuffer_t {
    char * name;
    int width, height, pwidth, pheight;
    int (*setbl)(struct framebuffer_t * fb, int brightness);
    int (*getbl)(struct framebuffer_t * fb);
    struct surface_t * (*create)(struct framebuffer_t * fb);
    void (*destroy)(struct framebuffer_t * fb, struct surface_t * s);
    void (*present)(struct framebuffer_t * fb, struct surface_t * s, struct region_list_t * l);
    void * priv;
};

Key API​

FunctionDescription
search_framebuffer(name)Find framebuffer by name
register_framebuffer(fb, drv)Register framebuffer
unregister_framebuffer(fb)Unregister framebuffer
framebuffer_get/set_backlight(fb, bl)Get/set backlight

Description​

Video framebuffer display interface. Manages pixel buffer, supports surface creation and dirty-rectangle based presentation.