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annotate src/SDL.c @ 5275:7aba0406c273

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Frank Zago to sdl The following patch fixes some of the bitrot for the Nintendo DS port. The support is still basic at the moment, but it allows to run the "general" test under the current head of tree (parent: 5269:11bd1585efb5 tip). Most of the patch is mine, but I integrated a couple changes that John Magnotti posted on Feb 1st.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 11:36:56 -0800
parents b530ef003506
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2011 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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18
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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 /* Initialization code for SDL */
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25
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26 #include "SDL.h"
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27 #include "SDL_fatal.h"
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28 #include "SDL_assert_c.h"
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29 #include "haptic/SDL_haptic_c.h"
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30 #include "joystick/SDL_joystick_c.h"
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31
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32 /* Initialization/Cleanup routines */
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33 #if !SDL_TIMERS_DISABLED
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34 extern void SDL_StartTicks(void);
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35 extern int SDL_TimerInit(void);
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36 extern void SDL_TimerQuit(void);
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37 #endif
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38 #if defined(__WIN32__)
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39 extern int SDL_HelperWindowCreate(void);
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40 extern int SDL_HelperWindowDestroy(void);
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41 #endif
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42
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43
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44 /* The initialized subsystems */
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45 static Uint32 SDL_initialized = 0;
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46 static Uint32 ticks_started = 0;
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47
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48
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49 int
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50 SDL_InitSubSystem(Uint32 flags)
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51 {
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52 #if !SDL_VIDEO_DISABLED
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53 /* Initialize the video/event subsystem */
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54 if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
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55 if (SDL_VideoInit(NULL) < 0) {
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56 return (-1);
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57 }
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58 SDL_initialized |= SDL_INIT_VIDEO;
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59 }
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60 #else
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61 if (flags & SDL_INIT_VIDEO) {
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62 SDL_SetError("SDL not built with video support");
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63 return (-1);
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64 }
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65 #endif
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66
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67 #if !SDL_AUDIO_DISABLED
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68 /* Initialize the audio subsystem */
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69 if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
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70 if (SDL_AudioInit(NULL) < 0) {
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71 return (-1);
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72 }
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73 SDL_initialized |= SDL_INIT_AUDIO;
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74 }
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75 #else
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76 if (flags & SDL_INIT_AUDIO) {
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77 SDL_SetError("SDL not built with audio support");
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78 return (-1);
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79 }
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80 #endif
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81
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82 #if !SDL_TIMERS_DISABLED
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83 /* Initialize the timer subsystem */
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84 if (!ticks_started) {
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85 SDL_StartTicks();
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86 ticks_started = 1;
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87 }
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88 if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
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89 if (SDL_TimerInit() < 0) {
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90 return (-1);
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91 }
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92 SDL_initialized |= SDL_INIT_TIMER;
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93 }
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94 #else
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95 if (flags & SDL_INIT_TIMER) {
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96 SDL_SetError("SDL not built with timer support");
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97 return (-1);
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98 }
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99 #endif
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100
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101 #if !SDL_JOYSTICK_DISABLED
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102 /* Initialize the joystick subsystem */
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103 if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
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104 if (SDL_JoystickInit() < 0) {
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105 return (-1);
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106 }
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107 SDL_initialized |= SDL_INIT_JOYSTICK;
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108 }
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109 #else
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110 if (flags & SDL_INIT_JOYSTICK) {
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111 SDL_SetError("SDL not built with joystick support");
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112 return (-1);
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113 }
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114 #endif
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115
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116 #if !SDL_HAPTIC_DISABLED
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117 /* Initialize the haptic subsystem */
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118 if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
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119 if (SDL_HapticInit() < 0) {
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120 return (-1);
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121 }
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122 SDL_initialized |= SDL_INIT_HAPTIC;
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123 }
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124 #else
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125 if (flags & SDL_INIT_HAPTIC) {
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126 SDL_SetError("SDL not built with haptic (force feedback) support");
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127 return (-1);
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128 }
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129 #endif
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130 return (0);
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131 }
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132
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133 int
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134 SDL_Init(Uint32 flags)
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135 {
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136 if (SDL_AssertionsInit() < 0) {
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137 return -1;
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138 }
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139
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140 /* Clear the error message */
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141 SDL_ClearError();
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142
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143 #if defined(__WIN32__)
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144 if (SDL_HelperWindowCreate() < 0) {
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145 return -1;
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146 }
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147 #endif
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148
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149 /* Initialize the desired subsystems */
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150 if (SDL_InitSubSystem(flags) < 0) {
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diff changeset
151 return (-1);
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diff changeset
152 }
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153
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154 /* Everything is initialized */
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diff changeset
155 if (!(flags & SDL_INIT_NOPARACHUTE)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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156 SDL_InstallParachute();
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diff changeset
157 }
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158
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159 return (0);
0
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160 }
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161
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diff changeset
162 void
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163 SDL_QuitSubSystem(Uint32 flags)
0
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164 {
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165 /* Shut down requested initialized subsystems */
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166 #if !SDL_JOYSTICK_DISABLED
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167 if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) {
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168 SDL_JoystickQuit();
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169 SDL_initialized &= ~SDL_INIT_JOYSTICK;
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170 }
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171 #endif
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172 #if !SDL_HAPTIC_DISABLED
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173 if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) {
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diff changeset
174 SDL_HapticQuit();
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diff changeset
175 SDL_initialized &= ~SDL_INIT_HAPTIC;
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diff changeset
176 }
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diff changeset
177 #endif
1361
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178 #if !SDL_TIMERS_DISABLED
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179 if ((flags & SDL_initialized & SDL_INIT_TIMER)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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180 SDL_TimerQuit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
181 SDL_initialized &= ~SDL_INIT_TIMER;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
182 }
0
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diff changeset
183 #endif
1361
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184 #if !SDL_AUDIO_DISABLED
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185 if ((flags & SDL_initialized & SDL_INIT_AUDIO)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
186 SDL_AudioQuit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
187 SDL_initialized &= ~SDL_INIT_AUDIO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
188 }
0
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diff changeset
189 #endif
1361
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diff changeset
190 #if !SDL_VIDEO_DISABLED
1895
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parents: 1487
diff changeset
191 if ((flags & SDL_initialized & SDL_INIT_VIDEO)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
192 SDL_VideoQuit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
193 SDL_initialized &= ~SDL_INIT_VIDEO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
194 }
0
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diff changeset
195 #endif
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196 }
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197
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diff changeset
198 Uint32
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diff changeset
199 SDL_WasInit(Uint32 flags)
0
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diff changeset
200 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
201 if (!flags) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
202 flags = SDL_INIT_EVERYTHING;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
203 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
204 return (SDL_initialized & flags);
0
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205 }
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diff changeset
206
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diff changeset
207 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
208 SDL_Quit(void)
0
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diff changeset
209 {
1895
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diff changeset
210 /* Quit all subsystems */
5088
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diff changeset
211 #if defined(__WIN32__)
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212 SDL_HelperWindowDestroy();
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
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diff changeset
213 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
214 SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
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diff changeset
215
1895
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diff changeset
216 /* Uninstall any parachute signal handlers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
217 SDL_UninstallParachute();
397
283d348cb624 Pth threading bug fix
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
218
5192
6f6a9340fb93 Added a hint system to allow configuration hints to be specified by the application.
Sam Lantinga <slouken@libsdl.org>
parents: 5125
diff changeset
219 SDL_ClearHints();
3647
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diff changeset
220 SDL_AssertionsQuit();
5226
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Sam Lantinga <slouken@libsdl.org>
parents: 5192
diff changeset
221 SDL_LogResetPriorities();
0
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222 }
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223
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diff changeset
224 /* Get the library version number */
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diff changeset
225 void
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diff changeset
226 SDL_GetVersion(SDL_version * ver)
0
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diff changeset
227 {
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diff changeset
228 SDL_VERSION(ver);
0
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229 }
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diff changeset
230
2982
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parents: 2859
diff changeset
231 /* Get the library source revision */
4419
5e7e1f1a4056 Changed revision details to be a string (an hg changeset) instead of an int.
Ryan C. Gordon <icculus@icculus.org>
parents: 3697
diff changeset
232 const char *
2996
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Sam Lantinga <slouken@libsdl.org>
parents: 2983
diff changeset
233 SDL_GetRevision(void)
2982
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parents: 2859
diff changeset
234 {
2983
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diff changeset
235 return SDL_REVISION;
2982
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diff changeset
236 }
b64c1d23039b Make the current revision number available
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diff changeset
237
3319
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diff changeset
238 /* Get the name of the platform */
63d4517fc4ac Fixed bug #777
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diff changeset
239 const char *
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diff changeset
240 SDL_GetPlatform()
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diff changeset
241 {
63d4517fc4ac Fixed bug #777
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diff changeset
242 #if __AIX__
63d4517fc4ac Fixed bug #777
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diff changeset
243 return "AIX";
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diff changeset
244 #elif __HAIKU__
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parents: 3269
diff changeset
245 /* Haiku must appear here before BeOS, since it also defines __BEOS__ */
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diff changeset
246 return "Haiku";
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diff changeset
247 #elif __BEOS__
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diff changeset
248 return "BeOS";
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diff changeset
249 #elif __BSDI__
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diff changeset
250 return "BSDI";
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diff changeset
251 #elif __DREAMCAST__
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diff changeset
252 return "Dreamcast";
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diff changeset
253 #elif __FREEBSD__
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diff changeset
254 return "FreeBSD";
63d4517fc4ac Fixed bug #777
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diff changeset
255 #elif __HPUX__
63d4517fc4ac Fixed bug #777
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diff changeset
256 return "HP-UX";
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diff changeset
257 #elif __IRIX__
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diff changeset
258 return "Irix";
63d4517fc4ac Fixed bug #777
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parents: 3269
diff changeset
259 #elif __LINUX__
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diff changeset
260 return "Linux";
63d4517fc4ac Fixed bug #777
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diff changeset
261 #elif __MINT__
63d4517fc4ac Fixed bug #777
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diff changeset
262 return "Atari MiNT";
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diff changeset
263 #elif __MACOS__
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diff changeset
264 return "MacOS Classic";
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diff changeset
265 #elif __MACOSX__
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diff changeset
266 return "Mac OS X";
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diff changeset
267 #elif __NETBSD__
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diff changeset
268 return "NetBSD";
5275
7aba0406c273 Frank Zago to sdl
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diff changeset
269 #elif __NDS__
7aba0406c273 Frank Zago to sdl
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diff changeset
270 return "Nintendo DS";
3319
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diff changeset
271 #elif __OPENBSD__
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diff changeset
272 return "OpenBSD";
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diff changeset
273 #elif __OS2__
63d4517fc4ac Fixed bug #777
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diff changeset
274 return "OS/2";
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diff changeset
275 #elif __OSF__
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diff changeset
276 return "OSF/1";
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diff changeset
277 #elif __QNXNTO__
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diff changeset
278 return "QNX Neutrino";
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diff changeset
279 #elif __RISCOS__
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diff changeset
280 return "RISC OS";
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diff changeset
281 #elif __SOLARIS__
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282 return "Solaris";
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283 #elif __WIN32__
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284 #ifdef _WIN32_WCE
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285 return "Windows CE";
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286 #else
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287 return "Windows";
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288 #endif
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289 #elif __IPHONEOS__
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290 return "iPhone OS";
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291 #else
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292 return "Unknown (see SDL_platform.h)";
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293 #endif
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294 }
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295
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296 #if defined(__WIN32__)
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297
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298 #if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL))
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299 /* Need to include DllMain() on Watcom C for some reason.. */
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300 #include "core/windows/SDL_windows.h"
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301
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302 BOOL APIENTRY
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303 _DllMainCRTStartup(HANDLE hModule,
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304 DWORD ul_reason_for_call, LPVOID lpReserved)
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305 {
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306 switch (ul_reason_for_call) {
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307 case DLL_PROCESS_ATTACH:
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308 case DLL_THREAD_ATTACH:
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309 case DLL_THREAD_DETACH:
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310 case DLL_PROCESS_DETACH:
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311 break;
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312 }
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313 return TRUE;
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314 }
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315 #endif /* building DLL with Watcom C */
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316
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317 #endif /* __WIN32__ */
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318
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319 /* vi: set ts=4 sw=4 expandtab: */