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annotate src/SDL.c @ 3464:09136f534198

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1. SDL_RenderPresent() call has been added after each test to be sure, that all graphics output is flushed in case if it was asynchronous. 2. After each renderer test window recreation has been added.
author Mike Gorchak <lestat@i.com.ua>
date Fri, 20 Nov 2009 07:11:29 +0000
parents 63d4517fc4ac
children c5925cd41955
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 #if !SDL_VIDEO_DISABLED
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29 #include "video/SDL_leaks.h"
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30 #endif
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31
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32 #if SDL_THREAD_PTH
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33 #include <pth.h>
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34 #endif
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35
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36 /* Initialization/Cleanup routines */
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37 #if !SDL_JOYSTICK_DISABLED
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38 extern int SDL_JoystickInit(void);
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39 extern void SDL_JoystickQuit(void);
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40 #endif
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41 #if !SDL_HAPTIC_DISABLED
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42 extern int SDL_HapticInit(void);
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43 extern int SDL_HapticQuit(void);
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44 #endif
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45 #if !SDL_TIMERS_DISABLED
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46 extern void SDL_StartTicks(void);
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47 extern int SDL_TimerInit(void);
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48 extern void SDL_TimerQuit(void);
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49 #endif
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50 #if defined(__WIN32__)
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51 extern int SDL_HelperWindowCreate(void);
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52 extern int SDL_HelperWindowDestroy(void);
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53 #endif
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54
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55 /* The initialized subsystems */
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56 static Uint32 SDL_initialized = 0;
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57 static Uint32 ticks_started = 0;
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58
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59 #ifdef CHECK_LEAKS
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60 int surfaces_allocated = 0;
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61 #endif
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62
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63 int
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64 SDL_InitSubSystem(Uint32 flags)
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65 {
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66 #if !SDL_VIDEO_DISABLED
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67 /* Initialize the video/event subsystem */
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68 if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
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69 if (SDL_VideoInit(NULL, (flags & SDL_INIT_EVENTTHREAD)) < 0) {
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70 return (-1);
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71 }
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72 SDL_initialized |= SDL_INIT_VIDEO;
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73 }
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74 #else
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75 if (flags & SDL_INIT_VIDEO) {
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76 SDL_SetError("SDL not built with video support");
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77 return (-1);
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78 }
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79 #endif
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80
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81 #if !SDL_AUDIO_DISABLED
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82 /* Initialize the audio subsystem */
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83 if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
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84 if (SDL_AudioInit(NULL) < 0) {
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85 return (-1);
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86 }
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87 SDL_initialized |= SDL_INIT_AUDIO;
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88 }
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89 #else
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90 if (flags & SDL_INIT_AUDIO) {
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91 SDL_SetError("SDL not built with audio support");
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92 return (-1);
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93 }
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94 #endif
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95
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96 #if !SDL_TIMERS_DISABLED
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97 /* Initialize the timer subsystem */
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98 if (!ticks_started) {
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99 SDL_StartTicks();
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100 ticks_started = 1;
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101 }
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102 if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
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103 if (SDL_TimerInit() < 0) {
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104 return (-1);
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105 }
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106 SDL_initialized |= SDL_INIT_TIMER;
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107 }
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108 #else
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109 if (flags & SDL_INIT_TIMER) {
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110 SDL_SetError("SDL not built with timer support");
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111 return (-1);
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112 }
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113 #endif
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114
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115 #if !SDL_JOYSTICK_DISABLED
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116 /* Initialize the joystick subsystem */
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117 if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
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118 if (SDL_JoystickInit() < 0) {
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119 return (-1);
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120 }
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121 SDL_initialized |= SDL_INIT_JOYSTICK;
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122 }
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123 #else
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124 if (flags & SDL_INIT_JOYSTICK) {
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125 SDL_SetError("SDL not built with joystick support");
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126 return (-1);
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127 }
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128 #endif
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129
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130 #if !SDL_HAPTIC_DISABLED
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131 /* Initialize the haptic subsystem */
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132 if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
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133 if (SDL_HapticInit() < 0) {
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134 return (-1);
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135 }
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136 SDL_initialized |= SDL_INIT_HAPTIC;
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137 }
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138 #else
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139 if (flags & SDL_INIT_HAPTIC) {
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140 SDL_SetError("SDL not built with haptic (force feedback) support");
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141 return (-1);
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142 }
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143 #endif
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144 return (0);
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145 }
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146
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147 int
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148 SDL_Init(Uint32 flags)
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149 {
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150 #if !SDL_THREADS_DISABLED && SDL_THREAD_PTH
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151 if (!pth_init()) {
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152 return -1;
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153 }
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154 #endif
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155
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156 /* Clear the error message */
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157 SDL_ClearError();
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158
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159 #if defined(__WIN32__)
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160 if (SDL_HelperWindowCreate() < 0) {
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161 return -1;
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162 }
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163 #endif
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164
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165 /* Initialize the desired subsystems */
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166 if (SDL_InitSubSystem(flags) < 0) {
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167 return (-1);
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168 }
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169
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170 /* Everything is initialized */
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171 if (!(flags & SDL_INIT_NOPARACHUTE)) {
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172 SDL_InstallParachute();
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173 }
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174 return (0);
0
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175 }
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176
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177 void
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178 SDL_QuitSubSystem(Uint32 flags)
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179 {
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180 /* Shut down requested initialized subsystems */
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181 #if !SDL_JOYSTICK_DISABLED
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182 if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) {
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183 SDL_JoystickQuit();
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184 SDL_initialized &= ~SDL_INIT_JOYSTICK;
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185 }
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186 #endif
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187 #if !SDL_HAPTIC_DISABLED
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188 if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) {
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189 SDL_HapticQuit();
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190 SDL_initialized &= ~SDL_INIT_HAPTIC;
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191 }
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192 #endif
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193 #if !SDL_TIMERS_DISABLED
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194 if ((flags & SDL_initialized & SDL_INIT_TIMER)) {
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195 SDL_TimerQuit();
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196 SDL_initialized &= ~SDL_INIT_TIMER;
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197 }
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198 #endif
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199 #if !SDL_AUDIO_DISABLED
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200 if ((flags & SDL_initialized & SDL_INIT_AUDIO)) {
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201 SDL_AudioQuit();
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202 SDL_initialized &= ~SDL_INIT_AUDIO;
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203 }
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204 #endif
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205 #if !SDL_VIDEO_DISABLED
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206 if ((flags & SDL_initialized & SDL_INIT_VIDEO)) {
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207 SDL_VideoQuit();
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208 SDL_initialized &= ~SDL_INIT_VIDEO;
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209 }
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210 #endif
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211 }
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212
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213 Uint32
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214 SDL_WasInit(Uint32 flags)
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215 {
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216 if (!flags) {
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217 flags = SDL_INIT_EVERYTHING;
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218 }
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219 return (SDL_initialized & flags);
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220 }
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221
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222 void
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223 SDL_Quit(void)
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224 {
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225 /* Quit all subsystems */
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226 #ifdef DEBUG_BUILD
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227 printf("[SDL_Quit] : Enter! Calling QuitSubSystem()\n");
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228 fflush(stdout);
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229 #endif
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230
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231 #if defined(__WIN32__)
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232 SDL_HelperWindowDestroy();
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233 #endif
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234 SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
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235
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236 #ifdef CHECK_LEAKS
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237 #ifdef DEBUG_BUILD
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238 printf("[SDL_Quit] : CHECK_LEAKS\n");
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239 fflush(stdout);
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240 #endif
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241
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242 /* Print the number of surfaces not freed */
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243 if (surfaces_allocated != 0) {
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244 fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n",
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245 surfaces_allocated);
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246 }
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247 #endif
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248 #ifdef DEBUG_BUILD
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249 printf("[SDL_Quit] : SDL_UninstallParachute()\n");
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250 fflush(stdout);
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251 #endif
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252
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253 /* Uninstall any parachute signal handlers */
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254 SDL_UninstallParachute();
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diff changeset
255
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256 #if !SDL_THREADS_DISABLED && SDL_THREAD_PTH
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257 pth_kill();
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diff changeset
258 #endif
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259 #ifdef DEBUG_BUILD
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260 printf("[SDL_Quit] : Returning!\n");
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261 fflush(stdout);
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262 #endif
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263
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264 }
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265
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266 /* Get the library version number */
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267 void
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268 SDL_GetVersion(SDL_version * ver)
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269 {
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270 SDL_VERSION(ver);
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271 }
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272
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273 /* Get the library source revision */
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diff changeset
274 int
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275 SDL_GetRevision(void)
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276 {
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277 return SDL_REVISION;
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278 }
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279
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280 /* Get the name of the platform */
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281 const char *
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282 SDL_GetPlatform()
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283 {
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284 #if __AIX__
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285 return "AIX";
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286 #elif __HAIKU__
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287 /* Haiku must appear here before BeOS, since it also defines __BEOS__ */
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288 return "Haiku";
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289 #elif __BEOS__
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290 return "BeOS";
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291 #elif __BSDI__
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292 return "BSDI";
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293 #elif __DREAMCAST__
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294 return "Dreamcast";
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295 #elif __FREEBSD__
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296 return "FreeBSD";
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297 #elif __HPUX__
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298 return "HP-UX";
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299 #elif __IRIX__
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300 return "Irix";
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301 #elif __LINUX__
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302 return "Linux";
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303 #elif __MINT__
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304 return "Atari MiNT";
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305 #elif __MACOS__
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306 return "MacOS Classic";
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307 #elif __MACOSX__
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308 return "Mac OS X";
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309 #elif __NETBSD__
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310 return "NetBSD";
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311 #elif __OPENBSD__
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312 return "OpenBSD";
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313 #elif __OS2__
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314 return "OS/2";
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315 #elif __OSF__
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316 return "OSF/1";
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317 #elif __QNXNTO__
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318 return "QNX Neutrino";
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319 #elif __RISCOS__
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320 return "RISC OS";
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321 #elif __SOLARIS__
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322 return "Solaris";
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323 #elif __WIN32__
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324 #ifdef _WIN32_WCE
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325 return "Windows CE";
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326 #else
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327 return "Windows";
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328 #endif
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329 #elif __IPHONEOS__
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330 return "iPhone OS";
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331 #else
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332 return "Unknown (see SDL_platform.h)";
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333 #endif
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334 }
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335
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336 #if defined(__WIN32__)
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337
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338 #if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL))
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339 /* Need to include DllMain() on Watcom C for some reason.. */
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340 #define WIN32_LEAN_AND_MEAN
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341 #include <windows.h>
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342
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343 BOOL APIENTRY
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344 _DllMainCRTStartup(HANDLE hModule,
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345 DWORD ul_reason_for_call, LPVOID lpReserved)
1330
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346 {
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347 switch (ul_reason_for_call) {
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348 case DLL_PROCESS_ATTACH:
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349 case DLL_THREAD_ATTACH:
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350 case DLL_THREAD_DETACH:
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351 case DLL_PROCESS_DETACH:
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352 break;
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353 }
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354 return TRUE;
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355 }
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diff changeset
356 #endif /* building DLL with Watcom C */
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357
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358 #endif /* __WIN32__ */
1895
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359
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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360 /* vi: set ts=4 sw=4 expandtab: */