mesa/src/egl/main/eglscreen.h
2005-12-17 05:37:15 +00:00

90 lines
2.3 KiB
C

#ifndef EGLSCREEN_INCLUDED
#define EGLSCREEN_INCLUDED
/**
* Per-screen information.
* Note that an EGL screen doesn't have a size. A screen may be set to
* one of several display modes (width/height/scanrate). The screen
* then displays a drawing surface. The drawing surface must be at least
* as large as the display mode's resolution. If it's larger, the
* OriginX and OriginY fields control what part of the surface is visible
* on the screen.
*/
struct _egl_screen
{
EGLScreenMESA Handle; /* The public/opaque handle which names this object */
_EGLMode *CurrentMode;
_EGLSurface *CurrentSurface;
EGLint OriginX, OriginY; /**< Origin of scan-out region w.r.t. surface */
EGLint StepX, StepY; /**< Screen position/origin granularity */
EGLint NumModes;
_EGLMode *Modes; /**< array [NumModes] */
};
extern EGLScreenMESA
_eglAllocScreenHandle(void);
extern void
_eglInitScreen(_EGLScreen *screen);
extern _EGLScreen *
_eglLookupScreen(EGLDisplay dpy, EGLScreenMESA screen);
extern void
_eglAddScreen(_EGLDisplay *display, _EGLScreen *screen);
extern EGLBoolean
_eglGetScreensMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
extern EGLSurface
_eglCreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
extern EGLBoolean
_eglShowScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface surface, EGLModeMESA mode);
extern EGLBoolean
_eglScreenModeMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA mode);
extern EGLBoolean
_eglScreenPositionMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y);
extern EGLBoolean
_eglQueryDisplayMESA(_EGLDriver *drv, EGLDisplay dpy, EGLint attribute, EGLint *value);
extern EGLBoolean
_eglQueryScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy,
EGLScreenMESA screen, EGLSurface *surface);
extern EGLBoolean
_eglQueryScreenModeMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode);
extern EGLBoolean
_eglQueryScreenMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint attribute, EGLint *value);
extern void
_eglDestroyScreenModes(_EGLScreen *scrn);
extern void
_eglDestroyScreen(_EGLScreen *scrn);
#endif /* EGLSCREEN_INCLUDED */