include/ui/sdl2.h

   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
   9 /* with Alpine / muslc SDL headers pull in directfb headers
  10  * which in turn trigger warning about redundant decls for
  11  * direct_waitqueue_deinit.
  12  */
  13 #pragma GCC diagnostic push
  14 #pragma GCC diagnostic ignored "-Wredundant-decls"
  15
  16 #include <SDL_syswm.h>
  17
  18 #pragma GCC diagnostic pop
  19
  20 #ifdef CONFIG_SDL_IMAGE
  21 # include <SDL_image.h>
  22 #endif
  23
  24 #include "ui/kbd-state.h"
  25 #ifdef CONFIG_OPENGL
  26 # include "ui/egl-helpers.h"
  27 #endif
  28
  29 struct sdl2_console {
  30     DisplayGLCtx dgc;
  31     DisplayChangeListener dcl;
  32     DisplaySurface *surface;
  33     DisplayOptions *opts;
  34     SDL_Texture *texture;
  35     SDL_Window *real_window;
  36     SDL_Renderer *real_renderer;
  37     int idx;
  38     int last_vm_running; /* per console for caption reasons */
  39     int x, y, w, h;
  40     int hidden;
  41     int opengl;
  42     int updates;
  43     int idle_counter;
  44     int ignore_hotkeys;
  45     SDL_GLContext winctx;
  46     QKbdState *kbd;
  47 #ifdef CONFIG_OPENGL
  48     QemuGLShader *gls;
  49     egl_fb guest_fb;
  50     egl_fb win_fb;
  51     bool y0_top;
  52     bool scanout_mode;
  53 #endif
  54 };
  55
  56 void sdl2_window_create(struct sdl2_console *scon);
  57 void sdl2_window_destroy(struct sdl2_console *scon);
  58 void sdl2_window_resize(struct sdl2_console *scon);
  59 void sdl2_poll_events(struct sdl2_console *scon);
  60
  61 void sdl2_process_key(struct sdl2_console *scon,
  62                       SDL_KeyboardEvent *ev);
  63
  64 void sdl2_2d_update(DisplayChangeListener *dcl,
  65                     int x, int y, int w, int h);
  66 void sdl2_2d_switch(DisplayChangeListener *dcl,
  67                     DisplaySurface *new_surface);
  68 void sdl2_2d_refresh(DisplayChangeListener *dcl);
  69 void sdl2_2d_redraw(struct sdl2_console *scon);
  70 bool sdl2_2d_check_format(DisplayChangeListener *dcl,
  71                           pixman_format_code_t format);
  72
  73 void sdl2_gl_update(DisplayChangeListener *dcl,
  74                     int x, int y, int w, int h);
  75 void sdl2_gl_switch(DisplayChangeListener *dcl,
  76                     DisplaySurface *new_surface);
  77 void sdl2_gl_refresh(DisplayChangeListener *dcl);
  78 void sdl2_gl_redraw(struct sdl2_console *scon);
  79
  80 QEMUGLContext sdl2_gl_create_context(DisplayGLCtx *dgc,
  81                                      QEMUGLParams *params);
  82 void sdl2_gl_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx);
  83 int sdl2_gl_make_context_current(DisplayGLCtx *dgc,
  84                                  QEMUGLContext ctx);
  85
  86 void sdl2_gl_scanout_disable(DisplayChangeListener *dcl);
  87 void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
  88                              uint32_t backing_id,
  89                              bool backing_y_0_top,
  90                              uint32_t backing_width,
  91                              uint32_t backing_height,
  92                              uint32_t x, uint32_t y,
  93                              uint32_t w, uint32_t h,
  94                              void *d3d_tex2d);
  95 void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
  96                            uint32_t x, uint32_t y, uint32_t w, uint32_t h);
  97
  98 #endif /* SDL2_H */