diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/dga/SDL_dgavideo.h')
-rw-r--r-- | apps/plugins/sdl/src/video/dga/SDL_dgavideo.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/dga/SDL_dgavideo.h b/apps/plugins/sdl/src/video/dga/SDL_dgavideo.h new file mode 100644 index 0000000000..bd2ecb8d59 --- /dev/null +++ b/apps/plugins/sdl/src/video/dga/SDL_dgavideo.h | |||
@@ -0,0 +1,124 @@ | |||
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 | #ifndef _SDL_dgavideo_h | ||
25 | #define _SDL_dgavideo_h | ||
26 | |||
27 | #include <X11/Xlib.h> | ||
28 | |||
29 | /* Apparently some X11 systems can't include this multiple times... */ | ||
30 | #ifndef SDL_INCLUDED_XLIBINT_H | ||
31 | #define SDL_INCLUDED_XLIBINT_H 1 | ||
32 | #include <X11/Xlibint.h> | ||
33 | #endif | ||
34 | |||
35 | #include <X11/Xproto.h> | ||
36 | |||
37 | #include "SDL_mouse.h" | ||
38 | #include "SDL_mutex.h" | ||
39 | #include "../SDL_sysvideo.h" | ||
40 | |||
41 | /* Hidden "this" pointer for the video functions */ | ||
42 | #define _THIS SDL_VideoDevice *this | ||
43 | |||
44 | /* Define this if you need the DGA driver to be thread-safe */ | ||
45 | #define LOCK_DGA_DISPLAY | ||
46 | #ifdef LOCK_DGA_DISPLAY | ||
47 | #define LOCK_DISPLAY() SDL_mutexP(event_lock) | ||
48 | #define UNLOCK_DISPLAY() SDL_mutexV(event_lock) | ||
49 | #else | ||
50 | #define LOCK_DISPLAY() | ||
51 | #define UNLOCK_DISPLAY() | ||
52 | #endif | ||
53 | |||
54 | |||
55 | /* This is the structure we use to keep track of video memory */ | ||
56 | typedef struct vidmem_bucket { | ||
57 | struct vidmem_bucket *prev; | ||
58 | int used; | ||
59 | int dirty; | ||
60 | Uint8 *base; | ||
61 | unsigned int size; | ||
62 | struct vidmem_bucket *next; | ||
63 | } vidmem_bucket; | ||
64 | |||
65 | /* Private display data */ | ||
66 | struct SDL_PrivateVideoData { | ||
67 | Display *DGA_Display; | ||
68 | Colormap DGA_colormap; | ||
69 | int visualClass; | ||
70 | |||
71 | #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ | ||
72 | int SDL_nummodes[NUM_MODELISTS]; | ||
73 | SDL_Rect **SDL_modelist[NUM_MODELISTS]; | ||
74 | |||
75 | /* Information for the video surface */ | ||
76 | Uint8 *memory_base; | ||
77 | int memory_pitch; | ||
78 | SDL_mutex *hw_lock; | ||
79 | int sync_needed; | ||
80 | int was_flipped; | ||
81 | |||
82 | /* Information for hardware surfaces */ | ||
83 | vidmem_bucket surfaces; | ||
84 | int surfaces_memtotal; | ||
85 | int surfaces_memleft; | ||
86 | |||
87 | /* Information for double-buffering */ | ||
88 | int flip_page; | ||
89 | int flip_yoffset[2]; | ||
90 | Uint8 *flip_address[2]; | ||
91 | |||
92 | /* Used to handle DGA events */ | ||
93 | int event_base; | ||
94 | #ifdef LOCK_DGA_DISPLAY | ||
95 | SDL_mutex *event_lock; | ||
96 | #endif | ||
97 | |||
98 | /* Screensaver settings */ | ||
99 | int allow_screensaver; | ||
100 | }; | ||
101 | |||
102 | /* Old variable names */ | ||
103 | #define DGA_Display (this->hidden->DGA_Display) | ||
104 | #define DGA_Screen DefaultScreen(DGA_Display) | ||
105 | #define DGA_colormap (this->hidden->DGA_colormap) | ||
106 | #define DGA_visualClass (this->hidden->visualClass) | ||
107 | #define memory_base (this->hidden->memory_base) | ||
108 | #define memory_pitch (this->hidden->memory_pitch) | ||
109 | #define flip_page (this->hidden->flip_page) | ||
110 | #define flip_yoffset (this->hidden->flip_yoffset) | ||
111 | #define flip_address (this->hidden->flip_address) | ||
112 | #define sync_needed (this->hidden->sync_needed) | ||
113 | #define was_flipped (this->hidden->was_flipped) | ||
114 | #define SDL_nummodes (this->hidden->SDL_nummodes) | ||
115 | #define SDL_modelist (this->hidden->SDL_modelist) | ||
116 | #define surfaces (this->hidden->surfaces) | ||
117 | #define surfaces_memtotal (this->hidden->surfaces_memtotal) | ||
118 | #define surfaces_memleft (this->hidden->surfaces_memleft) | ||
119 | #define hw_lock (this->hidden->hw_lock) | ||
120 | #define DGA_event_base (this->hidden->event_base) | ||
121 | #define event_lock (this->hidden->event_lock) | ||
122 | #define allow_screensaver (this->hidden->allow_screensaver) | ||
123 | |||
124 | #endif /* _SDL_dgavideo_h */ | ||