annotate src/video/dga/SDL_dgavideo.h @ 4102:328a3f973890 SDL-1.2

Date: Thu, 15 Nov 2007 10:33:01 +0100 From: "Marco Lopes" Subject: Compiling with Intel compiler fails I~Rve recently bought the Intel Compiler 10 for another project and decided to compile SDL with it as well. I was very surprised when it failed to compile because of the function: Error 5 error: label "endS16" was referenced but not defined ..\..\src\audio\SDL_mixer_MMX_VC.c
author Sam Lantinga <slouken@libsdl.org>
date Fri, 28 Dec 2007 18:07:59 +0000
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children 568c9b3c0167
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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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
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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.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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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
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_dgavideo_h
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25 #define _SDL_dgavideo_h
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26
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27 #include <X11/Xlib.h>
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28 #include <X11/Xlibint.h>
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29 #include <X11/Xproto.h>
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30
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31 #include "SDL_mouse.h"
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32 #include "SDL_mutex.h"
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33 #include "../SDL_sysvideo.h"
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34
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35 #if SDL_VIDEO_DRIVER_X11_DPMS
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36 #include <X11/extensions/dpms.h>
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37 #endif
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38
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39 /* Hidden "this" pointer for the video functions */
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40 #define _THIS SDL_VideoDevice *this
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41
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42 /* Define this if you need the DGA driver to be thread-safe */
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43 #define LOCK_DGA_DISPLAY
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44 #ifdef LOCK_DGA_DISPLAY
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45 #define LOCK_DISPLAY() SDL_mutexP(event_lock)
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46 #define UNLOCK_DISPLAY() SDL_mutexV(event_lock)
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47 #else
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48 #define LOCK_DISPLAY()
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49 #define UNLOCK_DISPLAY()
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50 #endif
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51
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52
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53 /* This is the structure we use to keep track of video memory */
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54 typedef struct vidmem_bucket {
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55 struct vidmem_bucket *prev;
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56 int used;
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57 int dirty;
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58 Uint8 *base;
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59 unsigned int size;
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60 struct vidmem_bucket *next;
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61 } vidmem_bucket;
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62
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63 /* Private display data */
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64 struct SDL_PrivateVideoData {
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65 Display *DGA_Display;
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66 Colormap DGA_colormap;
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67 int visualClass;
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68
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69 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */
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70 int SDL_nummodes[NUM_MODELISTS];
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71 SDL_Rect **SDL_modelist[NUM_MODELISTS];
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72
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73 /* Information for the video surface */
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74 Uint8 *memory_base;
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75 int memory_pitch;
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76 SDL_mutex *hw_lock;
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77 int sync_needed;
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78 int was_flipped;
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79
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80 /* Information for hardware surfaces */
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81 vidmem_bucket surfaces;
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82 int surfaces_memtotal;
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83 int surfaces_memleft;
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84
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85 /* Information for double-buffering */
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86 int flip_page;
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87 int flip_yoffset[2];
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88 Uint8 *flip_address[2];
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89
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90 /* Used to handle DGA events */
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91 int event_base;
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92 #ifdef LOCK_DGA_DISPLAY
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93 SDL_mutex *event_lock;
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94 #endif
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95
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96 /* Screensaver settings */
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97 int screensaver_timeout;
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98 BOOL dpms_enabled;
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99 };
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100 /* Old variable names */
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101 #define DGA_Display (this->hidden->DGA_Display)
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102 #define DGA_Screen DefaultScreen(DGA_Display)
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103 #define DGA_colormap (this->hidden->DGA_colormap)
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104 #define DGA_visualClass (this->hidden->visualClass)
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105 #define memory_base (this->hidden->memory_base)
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106 #define memory_pitch (this->hidden->memory_pitch)
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107 #define flip_page (this->hidden->flip_page)
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108 #define flip_yoffset (this->hidden->flip_yoffset)
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109 #define flip_address (this->hidden->flip_address)
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110 #define sync_needed (this->hidden->sync_needed)
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111 #define was_flipped (this->hidden->was_flipped)
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112 #define SDL_nummodes (this->hidden->SDL_nummodes)
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113 #define SDL_modelist (this->hidden->SDL_modelist)
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114 #define surfaces (this->hidden->surfaces)
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115 #define surfaces_memtotal (this->hidden->surfaces_memtotal)
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116 #define surfaces_memleft (this->hidden->surfaces_memleft)
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117 #define hw_lock (this->hidden->hw_lock)
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118 #define DGA_event_base (this->hidden->event_base)
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119 #define event_lock (this->hidden->event_lock)
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120 #define screensaver_timeout (this->hidden->screensaver_timeout)
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121 #define dpms_enabled (this->hidden->dpms_enabled)
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122
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123 #endif /* _SDL_dgavideo_h */