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3144ee8a AT |
1 | /* xscreensaver, Copyright (c) 1993-2014 by Jamie Zawinski <jwz@jwz.org> |
2 | * | |
3 | * Permission to use, copy, modify, distribute, and sell this software and its | |
4 | * documentation for any purpose is hereby granted without fee, provided that | |
5 | * the above copyright notice appear in all copies and that both that | |
6 | * copyright notice and this permission notice appear in supporting | |
7 | * documentation. No representations are made about the suitability of this | |
8 | * software for any purpose. It is provided "as is" without express or | |
9 | * implied warranty. | |
10 | */ | |
11 | ||
12 | #ifndef __VISUAL_H__ | |
13 | #define __VISUAL_H__ | |
14 | ||
15 | extern Visual *get_visual (Screen *, const char *name, Bool, Bool); | |
16 | extern Visual *get_visual_resource (Screen *, char *, char *, Bool); | |
17 | extern int visual_depth (Screen *, Visual *); | |
18 | extern int visual_pixmap_depth (Screen *, Visual *); | |
19 | extern int visual_class (Screen *, Visual *); | |
20 | extern int visual_cells (Screen *, Visual *); | |
21 | extern int screen_number (Screen *); | |
22 | extern Visual *find_similar_visual (Screen *, Visual *old); | |
23 | extern void describe_visual (FILE *f, Screen *, Visual *, Bool private_cmap_p); | |
24 | extern Visual *get_overlay_visual (Screen *, unsigned long *pixel_return); | |
25 | extern Bool has_writable_cells (Screen *, Visual *); | |
26 | extern Visual *id_to_visual (Screen *, int); | |
27 | extern void visual_rgb_masks (Screen *screen, Visual *visual, | |
28 | unsigned long *red_mask, | |
29 | unsigned long *green_mask, | |
30 | unsigned long *blue_mask); | |
31 | ||
32 | extern Visual *get_gl_visual (Screen *); | |
33 | extern void describe_gl_visual (FILE *, Screen *, Visual *, Bool priv_cmap_p); | |
34 | extern Bool validate_gl_visual (FILE *, Screen *, const char *, Visual *); | |
35 | ||
36 | #endif /* __VISUAL_H__ */ |