xref: /openbmc/qemu/include/ui/sdl2.h (revision a9ded601)
1 #ifndef SDL2_H
2 #define SDL2_H
3 
4 /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
5 #undef WIN32_LEAN_AND_MEAN
6 
7 #include <SDL.h>
8 #include <SDL_syswm.h>
9 
10 struct sdl2_console {
11     DisplayChangeListener dcl;
12     DisplaySurface *surface;
13     SDL_Texture *texture;
14     SDL_Window *real_window;
15     SDL_Renderer *real_renderer;
16     int idx;
17     int last_vm_running; /* per console for caption reasons */
18     int x, y, w, h;
19     int hidden;
20     int opengl;
21     int updates;
22     int idle_counter;
23     SDL_GLContext winctx;
24 #ifdef CONFIG_OPENGL
25     ConsoleGLState *gls;
26     GLuint tex_id;
27     GLuint fbo_id;
28     bool y0_top;
29     bool scanout_mode;
30 #endif
31 };
32 
33 void sdl2_window_create(struct sdl2_console *scon);
34 void sdl2_window_destroy(struct sdl2_console *scon);
35 void sdl2_window_resize(struct sdl2_console *scon);
36 void sdl2_poll_events(struct sdl2_console *scon);
37 
38 void sdl2_reset_keys(struct sdl2_console *scon);
39 void sdl2_process_key(struct sdl2_console *scon,
40                       SDL_KeyboardEvent *ev);
41 
42 void sdl2_2d_update(DisplayChangeListener *dcl,
43                     int x, int y, int w, int h);
44 void sdl2_2d_switch(DisplayChangeListener *dcl,
45                     DisplaySurface *new_surface);
46 void sdl2_2d_refresh(DisplayChangeListener *dcl);
47 void sdl2_2d_redraw(struct sdl2_console *scon);
48 bool sdl2_2d_check_format(DisplayChangeListener *dcl,
49                           pixman_format_code_t format);
50 
51 void sdl2_gl_update(DisplayChangeListener *dcl,
52                     int x, int y, int w, int h);
53 void sdl2_gl_switch(DisplayChangeListener *dcl,
54                     DisplaySurface *new_surface);
55 void sdl2_gl_refresh(DisplayChangeListener *dcl);
56 void sdl2_gl_redraw(struct sdl2_console *scon);
57 
58 QEMUGLContext sdl2_gl_create_context(DisplayChangeListener *dcl,
59                                      QEMUGLParams *params);
60 void sdl2_gl_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx);
61 int sdl2_gl_make_context_current(DisplayChangeListener *dcl,
62                                  QEMUGLContext ctx);
63 QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl);
64 
65 void sdl2_gl_scanout_disable(DisplayChangeListener *dcl);
66 void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
67                              uint32_t backing_id,
68                              bool backing_y_0_top,
69                              uint32_t backing_width,
70                              uint32_t backing_height,
71                              uint32_t x, uint32_t y,
72                              uint32_t w, uint32_t h);
73 void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
74                            uint32_t x, uint32_t y, uint32_t w, uint32_t h);
75 
76 #endif /* SDL2_H */
77