qemu/hw/display/framebuffer.h

#ifndef QEMU_FRAMEBUFFER_H
#define QEMU_FRAMEBUFFER_H

#include "exec/memory.h"

/* Framebuffer device helper routines.  */

typedef void (*drawfn)(void *, uint8_t *, const uint8_t *, int, int);

void framebuffer_update_display(
    DisplaySurface *ds,
    MemoryRegion *address_space,
    hwaddr base,
    int cols,
    int rows,
    int src_width,
    int dest_row_pitch,
    int dest_col_pitch,
    int invalidate,
    drawfn fn,
    void *opaque,
    int *first_row,
    int *last_row);

#endif