Mercurial > sdl-ios-xcode
annotate src/video/dga/SDL_dgavideo.h @ 1312:c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
I batch edited these files, so please let me know if I've accidentally removed anybody's
credit here.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 01 Feb 2006 06:32:25 +0000 |
parents | b8d311d90021 |
children | 19418e4422cb |
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 */ |
22 | |
23 #ifndef _SDL_dgavideo_h | |
24 #define _SDL_dgavideo_h | |
25 | |
26 #include <X11/Xlib.h> | |
27 | |
28 #include "SDL_mouse.h" | |
29 #include "SDL_mutex.h" | |
30 #include "SDL_sysvideo.h" | |
31 | |
32 /* Hidden "this" pointer for the video functions */ | |
33 #define _THIS SDL_VideoDevice *this | |
34 | |
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35 /* Define this if you need the DGA driver to be thread-safe */ |
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36 #define LOCK_DGA_DISPLAY |
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37 #ifdef LOCK_DGA_DISPLAY |
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38 #define LOCK_DISPLAY() SDL_mutexP(event_lock) |
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39 #define UNLOCK_DISPLAY() SDL_mutexV(event_lock) |
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40 #else |
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41 #define LOCK_DISPLAY() |
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42 #define UNLOCK_DISPLAY() |
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43 #endif |
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44 |
0 | 45 |
46 /* This is the structure we use to keep track of video memory */ | |
47 typedef struct vidmem_bucket { | |
48 struct vidmem_bucket *prev; | |
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49 int used; |
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50 int dirty; |
0 | 51 Uint8 *base; |
52 unsigned int size; | |
53 struct vidmem_bucket *next; | |
54 } vidmem_bucket; | |
55 | |
56 /* Private display data */ | |
57 struct SDL_PrivateVideoData { | |
58 Display *DGA_Display; | |
59 Colormap DGA_colormap; | |
60 int visualClass; | |
61 | |
62 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ | |
63 int SDL_nummodes[NUM_MODELISTS]; | |
64 SDL_Rect **SDL_modelist[NUM_MODELISTS]; | |
65 | |
66 /* Information for the video surface */ | |
67 Uint8 *memory_base; | |
68 int memory_pitch; | |
69 SDL_mutex *hw_lock; | |
70 int sync_needed; | |
71 int was_flipped; | |
72 | |
73 /* Information for hardware surfaces */ | |
74 vidmem_bucket surfaces; | |
75 int surfaces_memtotal; | |
76 int surfaces_memleft; | |
77 | |
78 /* Information for double-buffering */ | |
79 int flip_page; | |
80 int flip_yoffset[2]; | |
81 Uint8 *flip_address[2]; | |
82 | |
83 /* Used to handle DGA events */ | |
84 int event_base; | |
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85 #ifdef LOCK_DGA_DISPLAY |
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86 SDL_mutex *event_lock; |
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87 #endif |
0 | 88 }; |
89 /* Old variable names */ | |
90 #define DGA_Display (this->hidden->DGA_Display) | |
91 #define DGA_Screen DefaultScreen(DGA_Display) | |
92 #define DGA_colormap (this->hidden->DGA_colormap) | |
93 #define DGA_visualClass (this->hidden->visualClass) | |
94 #define memory_base (this->hidden->memory_base) | |
95 #define memory_pitch (this->hidden->memory_pitch) | |
96 #define flip_page (this->hidden->flip_page) | |
97 #define flip_yoffset (this->hidden->flip_yoffset) | |
98 #define flip_address (this->hidden->flip_address) | |
99 #define sync_needed (this->hidden->sync_needed) | |
100 #define was_flipped (this->hidden->was_flipped) | |
101 #define SDL_nummodes (this->hidden->SDL_nummodes) | |
102 #define SDL_modelist (this->hidden->SDL_modelist) | |
103 #define surfaces (this->hidden->surfaces) | |
104 #define surfaces_memtotal (this->hidden->surfaces_memtotal) | |
105 #define surfaces_memleft (this->hidden->surfaces_memleft) | |
106 #define hw_lock (this->hidden->hw_lock) | |
107 #define DGA_event_base (this->hidden->event_base) | |
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108 #define event_lock (this->hidden->event_lock) |
0 | 109 |
110 #endif /* _SDL_dgavideo_h */ |