src/egl/main/eglscreen.h

   1 #ifndef EGLSCREEN_INCLUDED
   2 #define EGLSCREEN_INCLUDED
   3
   4
   5 #include "egltypedefs.h"
   6
   7
   8 #ifdef EGL_MESA_screen_surface
   9
  10
  11 /**
  12  * Per-screen information.
  13  * Note that an EGL screen doesn't have a size.  A screen may be set to
  14  * one of several display modes (width/height/scanrate).  The screen
  15  * then displays a drawing surface.  The drawing surface must be at least
  16  * as large as the display mode's resolution.  If it's larger, the
  17  * OriginX and OriginY fields control what part of the surface is visible
  18  * on the screen.
  19  */
  20 struct _egl_screen
  21 {
  22    EGLScreenMESA Handle; /* The public/opaque handle which names this object */
  23
  24    _EGLMode *CurrentMode;
  25    _EGLSurface *CurrentSurface;
  26
  27    EGLint OriginX, OriginY; /**< Origin of scan-out region w.r.t. surface */
  28    EGLint StepX, StepY;     /**< Screen position/origin granularity */
  29
  30    EGLint NumModes;
  31    _EGLMode *Modes;  /**< array [NumModes] */
  32 };
  33
  34
  35 PUBLIC void
  36 _eglInitScreen(_EGLScreen *screen);
  37
  38
  39 extern _EGLScreen *
  40 _eglLookupScreen(EGLScreenMESA screen, _EGLDisplay *dpy);
  41
  42
  43 PUBLIC void
  44 _eglAddScreen(_EGLDisplay *display, _EGLScreen *screen);
  45
  46
  47 extern EGLBoolean
  48 _eglGetScreensMESA(_EGLDriver *drv, _EGLDisplay *dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
  49
  50
  51 extern _EGLSurface *
  52 _eglCreateScreenSurfaceMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, const EGLint *attrib_list);
  53
  54
  55 extern EGLBoolean
  56 _eglShowScreenSurfaceMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, _EGLSurface *surf, _EGLMode *m);
  57
  58
  59 extern EGLBoolean
  60 _eglScreenModeMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, _EGLMode *m);
  61
  62
  63 extern EGLBoolean
  64 _eglScreenPositionMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint x, EGLint y);
  65
  66
  67 extern EGLBoolean
  68 _eglQueryDisplayMESA(_EGLDriver *drv, _EGLDisplay *dpy, EGLint attribute, EGLint *value);
  69
  70
  71 extern EGLBoolean
  72 _eglQueryScreenSurfaceMESA(_EGLDriver *drv, _EGLDisplay *dpy,
  73                            _EGLScreen *scrn, _EGLSurface **surface);
  74
  75
  76 extern EGLBoolean
  77 _eglQueryScreenModeMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, _EGLMode **m);
  78
  79
  80 extern EGLBoolean
  81 _eglQueryScreenMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint attribute, EGLint *value);
  82
  83
  84 extern void
  85 _eglDestroyScreenModes(_EGLScreen *scrn);
  86
  87
  88 PUBLIC void
  89 _eglDestroyScreen(_EGLScreen *scrn);
  90
  91
  92 #endif /* EGL_MESA_screen_surface */
  93
  94
  95 #endif /* EGLSCREEN_INCLUDED */