annotate src/video/x11/SDL_x11dga.c @ 4290:485868a1c283 SDL-1.2

Cache the swap control setting, even on Mesa.
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 10 Oct 2009 06:38:02 +0000
parents a1b03ba2fcd0
children
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
4159
a1b03ba2fcd0 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 4021
diff changeset
3 Copyright (C) 1997-2009 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
6 modify it under the terms of the GNU Lesser General Public
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
13 Lesser General Public License for more details.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
20 slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
22 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24 /* This is currently only used to enable DGA mouse.
4021
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
25 There is a completely separate DGA driver that is fullscreen-only.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
26 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28 #include "SDL_video.h"
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
29 #include "../SDL_cursor_c.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
30 #include "SDL_x11dga_c.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
31
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32 /* Global for the error handler */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33 int dga_event, dga_error = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
34
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
35 void X11_EnableDGAMouse(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
36 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
37 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE
4021
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
38 static int use_dgamouse = -1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
39
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
40 /* Check configuration to see if we should use DGA mouse */
4021
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
41 if ( use_dgamouse < 0 ) {
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
42 int dga_major, dga_minor;
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
43 int dga_flags;
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
44 const char *env_use_dgamouse;
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
45
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
46 use_dgamouse = 1;
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
47 env_use_dgamouse = SDL_getenv("SDL_VIDEO_X11_DGAMOUSE");
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
48 if ( env_use_dgamouse ) {
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
49 use_dgamouse = SDL_atoi(env_use_dgamouse);
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
50 }
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
51 /* Check for buggy X servers */
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
52 if ( use_dgamouse && BUGGY_XFREE86(==, 4000) ) {
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
53 use_dgamouse = 0;
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
54 }
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
55 if ( !use_dgamouse || !local_X11 ||
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
56 !SDL_NAME(XF86DGAQueryExtension)(SDL_Display, &dga_event, &dga_error) ||
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
57 !SDL_NAME(XF86DGAQueryVersion)(SDL_Display, &dga_major, &dga_minor) ||
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
58 !SDL_NAME(XF86DGAQueryDirectVideo)(SDL_Display, SDL_Screen, &dga_flags) ||
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
59 !(dga_flags & XF86DGADirectPresent) ) {
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
60 use_dgamouse = 0;
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
61 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
62 }
4021
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
63
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
64 if ( use_dgamouse && !(using_dga & DGA_MOUSE) ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
65 if ( SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, XF86DGADirectMouse) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
66 using_dga |= DGA_MOUSE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
67 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
68 }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
69 #endif /* SDL_VIDEO_DRIVER_X11_DGAMOUSE */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
70 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
71
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
72 /* Argh. Glide resets DGA mouse mode when it makes the context current! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
73 void X11_CheckDGAMouse(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
74 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
75 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
76 if ( using_dga & DGA_MOUSE ) {
4021
cbad710a6509 Fixed bug #437
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
77 SDL_NAME(XF86DGADirectVideo)(SDL_Display,SDL_Screen,XF86DGADirectMouse);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
78 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
79 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
80 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
81
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
82 void X11_DisableDGAMouse(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
83 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
84 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
85 if ( using_dga & DGA_MOUSE ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
86 SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, 0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
87 using_dga &= ~DGA_MOUSE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
88 }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
89 #endif /* SDL_VIDEO_DRIVER_X11_DGAMOUSE */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
90 }