diff options
author | Franklin Wei <git@fwei.tk> | 2017-01-21 15:18:31 -0500 |
---|---|---|
committer | Franklin Wei <git@fwei.tk> | 2017-12-23 21:01:26 -0500 |
commit | a855d6202536ff28e5aae4f22a0f31d8f5b325d0 (patch) | |
tree | 8c75f224dd64ed360505afa8843d016b0d75000b /apps/plugins/sdl/src/video/x11/SDL_x11dga.c | |
parent | 01c6dcf6c7b9bb1ad2fa0450f99bacc5f3d3e04b (diff) | |
download | rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.tar.gz rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.zip |
Port of Duke Nukem 3D
This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.
Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
Diffstat (limited to 'apps/plugins/sdl/src/video/x11/SDL_x11dga.c')
-rw-r--r-- | apps/plugins/sdl/src/video/x11/SDL_x11dga.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/x11/SDL_x11dga.c b/apps/plugins/sdl/src/video/x11/SDL_x11dga.c new file mode 100644 index 0000000000..e1c0c2e8cd --- /dev/null +++ b/apps/plugins/sdl/src/video/x11/SDL_x11dga.c | |||
@@ -0,0 +1,90 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* This is currently only used to enable DGA mouse. | ||
25 | There is a completely separate DGA driver that is fullscreen-only. | ||
26 | */ | ||
27 | |||
28 | #include "SDL_video.h" | ||
29 | #include "../SDL_cursor_c.h" | ||
30 | #include "SDL_x11dga_c.h" | ||
31 | |||
32 | /* Global for the error handler */ | ||
33 | int dga_event, dga_error = -1; | ||
34 | |||
35 | void X11_EnableDGAMouse(_THIS) | ||
36 | { | ||
37 | #if SDL_VIDEO_DRIVER_X11_DGAMOUSE | ||
38 | static int use_dgamouse = -1; | ||
39 | |||
40 | /* Check configuration to see if we should use DGA mouse */ | ||
41 | if ( use_dgamouse < 0 ) { | ||
42 | int dga_major, dga_minor; | ||
43 | int dga_flags; | ||
44 | const char *env_use_dgamouse; | ||
45 | |||
46 | use_dgamouse = 1; | ||
47 | env_use_dgamouse = SDL_getenv("SDL_VIDEO_X11_DGAMOUSE"); | ||
48 | if ( env_use_dgamouse ) { | ||
49 | use_dgamouse = SDL_atoi(env_use_dgamouse); | ||
50 | } | ||
51 | /* Check for buggy X servers */ | ||
52 | if ( use_dgamouse && BUGGY_XFREE86(==, 4000) ) { | ||
53 | use_dgamouse = 0; | ||
54 | } | ||
55 | if ( !use_dgamouse || !local_X11 || | ||
56 | !SDL_NAME(XF86DGAQueryExtension)(SDL_Display, &dga_event, &dga_error) || | ||
57 | !SDL_NAME(XF86DGAQueryVersion)(SDL_Display, &dga_major, &dga_minor) || | ||
58 | !SDL_NAME(XF86DGAQueryDirectVideo)(SDL_Display, SDL_Screen, &dga_flags) || | ||
59 | !(dga_flags & XF86DGADirectPresent) ) { | ||
60 | use_dgamouse = 0; | ||
61 | } | ||
62 | } | ||
63 | |||
64 | if ( use_dgamouse && !(using_dga & DGA_MOUSE) ) { | ||
65 | if ( SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, XF86DGADirectMouse) ) { | ||
66 | using_dga |= DGA_MOUSE; | ||
67 | } | ||
68 | } | ||
69 | #endif /* SDL_VIDEO_DRIVER_X11_DGAMOUSE */ | ||
70 | } | ||
71 | |||
72 | /* Argh. Glide resets DGA mouse mode when it makes the context current! */ | ||
73 | void X11_CheckDGAMouse(_THIS) | ||
74 | { | ||
75 | #if SDL_VIDEO_DRIVER_X11_DGAMOUSE | ||
76 | if ( using_dga & DGA_MOUSE ) { | ||
77 | SDL_NAME(XF86DGADirectVideo)(SDL_Display,SDL_Screen,XF86DGADirectMouse); | ||
78 | } | ||
79 | #endif | ||
80 | } | ||
81 | |||
82 | void X11_DisableDGAMouse(_THIS) | ||
83 | { | ||
84 | #if SDL_VIDEO_DRIVER_X11_DGAMOUSE | ||
85 | if ( using_dga & DGA_MOUSE ) { | ||
86 | SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, 0); | ||
87 | using_dga &= ~DGA_MOUSE; | ||
88 | } | ||
89 | #endif /* SDL_VIDEO_DRIVER_X11_DGAMOUSE */ | ||
90 | } | ||