Mercurial > sdl-ios-xcode
annotate src/video/dga/SDL_dgavideo.h @ 4013:5804139bdf0b SDL-1.2
Use GL direct updates when possible
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 07 Jul 2007 19:22:27 +0000 |
parents | 409974dedf2e |
children | c121d94672cb 6f7af895ab02 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 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 | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 #ifndef _SDL_dgavideo_h | |
25 #define _SDL_dgavideo_h | |
26 | |
27 #include <X11/Xlib.h> | |
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28 #include <X11/Xproto.h> |
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30 #include "SDL_mouse.h" | |
31 #include "SDL_mutex.h" | |
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32 #include "../SDL_sysvideo.h" |
0 | 33 |
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34 #if SDL_VIDEO_DRIVER_X11_DPMS |
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35 #include <X11/extensions/dpms.h> |
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36 #endif |
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37 |
0 | 38 /* Hidden "this" pointer for the video functions */ |
39 #define _THIS SDL_VideoDevice *this | |
40 | |
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41 /* Define this if you need the DGA driver to be thread-safe */ |
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42 #define LOCK_DGA_DISPLAY |
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43 #ifdef LOCK_DGA_DISPLAY |
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44 #define LOCK_DISPLAY() SDL_mutexP(event_lock) |
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45 #define UNLOCK_DISPLAY() SDL_mutexV(event_lock) |
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46 #else |
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47 #define LOCK_DISPLAY() |
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48 #define UNLOCK_DISPLAY() |
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49 #endif |
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50 |
0 | 51 |
52 /* This is the structure we use to keep track of video memory */ | |
53 typedef struct vidmem_bucket { | |
54 struct vidmem_bucket *prev; | |
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55 int used; |
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56 int dirty; |
0 | 57 Uint8 *base; |
58 unsigned int size; | |
59 struct vidmem_bucket *next; | |
60 } vidmem_bucket; | |
61 | |
62 /* Private display data */ | |
63 struct SDL_PrivateVideoData { | |
64 Display *DGA_Display; | |
65 Colormap DGA_colormap; | |
66 int visualClass; | |
67 | |
68 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ | |
69 int SDL_nummodes[NUM_MODELISTS]; | |
70 SDL_Rect **SDL_modelist[NUM_MODELISTS]; | |
71 | |
72 /* Information for the video surface */ | |
73 Uint8 *memory_base; | |
74 int memory_pitch; | |
75 SDL_mutex *hw_lock; | |
76 int sync_needed; | |
77 int was_flipped; | |
78 | |
79 /* Information for hardware surfaces */ | |
80 vidmem_bucket surfaces; | |
81 int surfaces_memtotal; | |
82 int surfaces_memleft; | |
83 | |
84 /* Information for double-buffering */ | |
85 int flip_page; | |
86 int flip_yoffset[2]; | |
87 Uint8 *flip_address[2]; | |
88 | |
89 /* Used to handle DGA events */ | |
90 int event_base; | |
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91 #ifdef LOCK_DGA_DISPLAY |
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92 SDL_mutex *event_lock; |
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93 #endif |
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94 |
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95 /* Screensaver settings */ |
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96 int screensaver_timeout; |
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97 BOOL dpms_enabled; |
0 | 98 }; |
99 /* Old variable names */ | |
100 #define DGA_Display (this->hidden->DGA_Display) | |
101 #define DGA_Screen DefaultScreen(DGA_Display) | |
102 #define DGA_colormap (this->hidden->DGA_colormap) | |
103 #define DGA_visualClass (this->hidden->visualClass) | |
104 #define memory_base (this->hidden->memory_base) | |
105 #define memory_pitch (this->hidden->memory_pitch) | |
106 #define flip_page (this->hidden->flip_page) | |
107 #define flip_yoffset (this->hidden->flip_yoffset) | |
108 #define flip_address (this->hidden->flip_address) | |
109 #define sync_needed (this->hidden->sync_needed) | |
110 #define was_flipped (this->hidden->was_flipped) | |
111 #define SDL_nummodes (this->hidden->SDL_nummodes) | |
112 #define SDL_modelist (this->hidden->SDL_modelist) | |
113 #define surfaces (this->hidden->surfaces) | |
114 #define surfaces_memtotal (this->hidden->surfaces_memtotal) | |
115 #define surfaces_memleft (this->hidden->surfaces_memleft) | |
116 #define hw_lock (this->hidden->hw_lock) | |
117 #define DGA_event_base (this->hidden->event_base) | |
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118 #define event_lock (this->hidden->event_lock) |
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119 #define screensaver_timeout (this->hidden->screensaver_timeout) |
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120 #define dpms_enabled (this->hidden->dpms_enabled) |
0 | 121 |
122 #endif /* _SDL_dgavideo_h */ |