1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#ifndef EGLSCREEN_INCLUDED
#define EGLSCREEN_INCLUDED
#include "egltypedefs.h"
#ifdef EGL_MESA_screen_surface
#define _EGL_SCREEN_MAX_MODES 16
/**
* 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
{
_EGLDisplay *Display;
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] */
};
PUBLIC void
_eglInitScreen(_EGLScreen *screen, _EGLDisplay *dpy, EGLint num_modes);
PUBLIC EGLScreenMESA
_eglLinkScreen(_EGLScreen *screen);
extern _EGLScreen *
_eglLookupScreen(EGLScreenMESA screen, _EGLDisplay *dpy);
/**
* Return the handle of a linked screen.
*/
static INLINE EGLScreenMESA
_eglGetScreenHandle(_EGLScreen *screen)
{
return (screen) ? screen->Handle : (EGLScreenMESA) 0;
}
extern EGLBoolean
_eglGetScreensMESA(_EGLDriver *drv, _EGLDisplay *dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
extern EGLBoolean
_eglScreenPositionMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint x, EGLint y);
extern EGLBoolean
_eglQueryScreenSurfaceMESA(_EGLDriver *drv, _EGLDisplay *dpy,
_EGLScreen *scrn, _EGLSurface **surface);
extern EGLBoolean
_eglQueryScreenModeMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, _EGLMode **m);
extern EGLBoolean
_eglQueryScreenMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint attribute, EGLint *value);
#endif /* EGL_MESA_screen_surface */
#endif /* EGLSCREEN_INCLUDED */
|