qemu/include/ui/sdl2.h

#ifndef SDL2_H
#define SDL2_H

/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
#undef WIN32_LEAN_AND_MEAN

#include <SDL.h>
#include <SDL_syswm.h>

struct sdl2_console {
    DisplayChangeListener dcl;
    DisplaySurface *surface;
    SDL_Texture *texture;
    SDL_Window *real_window;
    SDL_Renderer *real_renderer;
    int idx;
    int last_vm_running; /* per console for caption reasons */
    int x, y;
    int hidden;
    int opengl;
    int updates;
    SDL_GLContext winctx;
    ConsoleGLState *gls;
};

void sdl2_window_create(struct sdl2_console *scon);
void sdl2_window_destroy(struct sdl2_console *scon);
void sdl2_window_resize(struct sdl2_console *scon);
void sdl2_poll_events(struct sdl2_console *scon);

void sdl2_reset_keys(struct sdl2_console *scon);
void sdl2_process_key(struct sdl2_console *scon,
                      SDL_KeyboardEvent *ev);

void sdl2_2d_update(DisplayChangeListener *dcl,
                    int x, int y, int w, int h);
void sdl2_2d_switch(DisplayChangeListener *dcl,
                    DisplaySurface *new_surface);
void sdl2_2d_refresh(DisplayChangeListener *dcl);
void sdl2_2d_redraw(struct sdl2_console *scon);
bool sdl2_2d_check_format(DisplayChangeListener *dcl,
                          pixman_format_code_t format);

void sdl2_gl_update(DisplayChangeListener *dcl,
                    int x, int y, int w, int h);
void sdl2_gl_switch(DisplayChangeListener *dcl,
                    DisplaySurface *new_surface);
void sdl2_gl_refresh(DisplayChangeListener *dcl);
void sdl2_gl_redraw(struct sdl2_console *scon);

#endif /* SDL2_H */