annotate src/video/SDL_video.c @ 1251:86d0d01290ea

Updated Windows CE/PocketPC support...adds GAPI driver, landscape mode, updated project files, VS2005 support, VGA mode, more device support, etc, etc, etc. Fixes Bugzilla #47 and #28. --ryan.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 19 Jan 2006 08:43:00 +0000
parents 8609567ea02f
children c2ee0f7fa711
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* The high-level video driver subsystem */
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29
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include "SDL.h"
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35 #include "SDL_error.h"
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36 #include "SDL_video.h"
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37 #include "SDL_events.h"
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38 #include "SDL_mutex.h"
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39 #include "SDL_sysvideo.h"
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40 #include "SDL_sysevents.h"
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41 #include "SDL_blit.h"
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42 #include "SDL_pixels_c.h"
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43 #include "SDL_events_c.h"
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44 #include "SDL_cursor_c.h"
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45
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46 /* Available video drivers */
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47 static VideoBootStrap *bootstrap[] = {
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48 #ifdef ENABLE_QUARTZ
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49 &QZ_bootstrap,
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50 #endif
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51 #ifdef ENABLE_X11
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52 &X11_bootstrap,
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53 #endif
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54 #ifdef ENABLE_DGA
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55 &DGA_bootstrap,
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56 #endif
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57 #ifdef ENABLE_NANOX
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58 &NX_bootstrap,
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59 #endif
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60 #ifdef ENABLE_IPOD
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61 &iPod_bootstrap,
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62 #endif
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63 #ifdef ENABLE_QTOPIA
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64 &Qtopia_bootstrap,
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65 #endif
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66 #ifdef ENABLE_WSCONS
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67 &WSCONS_bootstrap,
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68 #endif
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69 #ifdef ENABLE_FBCON
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70 &FBCON_bootstrap,
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71 #endif
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72 #ifdef ENABLE_DIRECTFB
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73 &DirectFB_bootstrap,
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74 #endif
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75 #ifdef ENABLE_PS2GS
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76 &PS2GS_bootstrap,
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77 #endif
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78 #ifdef ENABLE_GGI
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79 &GGI_bootstrap,
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80 #endif
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81 #ifdef ENABLE_VGL
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82 &VGL_bootstrap,
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83 #endif
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84 #ifdef ENABLE_SVGALIB
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85 &SVGALIB_bootstrap,
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86 #endif
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87 #ifdef ENABLE_AALIB
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88 &AALIB_bootstrap,
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89 #endif
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90 #ifdef ENABLE_GAPI
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91 &GAPI_bootstrap,
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92 #endif
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93 #ifdef ENABLE_WINDIB
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94 &WINDIB_bootstrap,
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95 #endif
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96 #ifdef ENABLE_DIRECTX
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97 &DIRECTX_bootstrap,
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98 #endif
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99 #ifdef ENABLE_BWINDOW
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100 &BWINDOW_bootstrap,
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101 #endif
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102 #ifdef ENABLE_TOOLBOX
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103 &TOOLBOX_bootstrap,
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104 #endif
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105 #ifdef ENABLE_DRAWSPROCKET
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106 &DSp_bootstrap,
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107 #endif
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108 #ifdef ENABLE_CYBERGRAPHICS
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109 &CGX_bootstrap,
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110 #endif
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111 #ifdef ENABLE_PHOTON
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112 &ph_bootstrap,
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113 #endif
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114 #ifdef ENABLE_EPOC
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115 &EPOC_bootstrap,
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116 #endif
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117 #ifdef ENABLE_XBIOS
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118 &XBIOS_bootstrap,
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119 #endif
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120 #ifdef ENABLE_GEM
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121 &GEM_bootstrap,
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122 #endif
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123 #ifdef ENABLE_PICOGUI
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124 &PG_bootstrap,
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125 #endif
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126 #ifdef ENABLE_DC
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127 &DC_bootstrap,
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128 #endif
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129 #ifdef ENABLE_RISCOS
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130 &RISCOS_bootstrap,
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131 #endif
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132 #ifdef __OS2__
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133 &OS2FSLib_bootstrap,
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134 #endif
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135 #ifdef ENABLE_DUMMYVIDEO
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136 &DUMMY_bootstrap,
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137 #endif
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138 NULL
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139 };
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140
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141 SDL_VideoDevice *current_video = NULL;
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142
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143 /* Various local functions */
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144 int SDL_VideoInit(const char *driver_name, Uint32 flags);
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145 void SDL_VideoQuit(void);
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146 void SDL_GL_UpdateRectsLock(SDL_VideoDevice* this, int numrects, SDL_Rect* rects);
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147
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148 static SDL_GrabMode SDL_WM_GrabInputOff(void);
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149 #ifdef HAVE_OPENGL
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150 static int lock_count = 0;
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151 #endif
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152
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153
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154 /*
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155 * Initialize the video and event subsystems -- determine native pixel format
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156 */
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157 int SDL_VideoInit (const char *driver_name, Uint32 flags)
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158 {
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parents:
diff changeset
159 SDL_VideoDevice *video;
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parents:
diff changeset
160 int index;
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parents:
diff changeset
161 int i;
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parents:
diff changeset
162 SDL_PixelFormat vformat;
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parents:
diff changeset
163 Uint32 video_flags;
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parents:
diff changeset
164
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parents:
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165 /* Toggle the event thread flags, based on OS requirements */
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parents:
diff changeset
166 #if defined(MUST_THREAD_EVENTS)
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parents:
diff changeset
167 flags |= SDL_INIT_EVENTTHREAD;
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parents:
diff changeset
168 #elif defined(CANT_THREAD_EVENTS)
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parents:
diff changeset
169 if ( (flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD ) {
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parents:
diff changeset
170 SDL_SetError("OS doesn't support threaded events");
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parents:
diff changeset
171 return(-1);
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parents:
diff changeset
172 }
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parents:
diff changeset
173 #endif
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parents:
diff changeset
174
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parents:
diff changeset
175 /* Check to make sure we don't overwrite 'current_video' */
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parents:
diff changeset
176 if ( current_video != NULL ) {
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parents:
diff changeset
177 SDL_VideoQuit();
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parents:
diff changeset
178 }
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parents:
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179
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parents:
diff changeset
180 /* Select the proper video driver */
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parents:
diff changeset
181 index = 0;
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parents:
diff changeset
182 video = NULL;
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parents:
diff changeset
183 if ( driver_name != NULL ) {
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parents:
diff changeset
184 #if 0 /* This will be replaced with a better driver selection API */
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parents:
diff changeset
185 if ( strrchr(driver_name, ':') != NULL ) {
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parents:
diff changeset
186 index = atoi(strrchr(driver_name, ':')+1);
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parents:
diff changeset
187 }
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parents:
diff changeset
188 #endif
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parents:
diff changeset
189 for ( i=0; bootstrap[i]; ++i ) {
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parents:
diff changeset
190 if ( strncmp(bootstrap[i]->name, driver_name,
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parents:
diff changeset
191 strlen(bootstrap[i]->name)) == 0 ) {
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parents:
diff changeset
192 if ( bootstrap[i]->available() ) {
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parents:
diff changeset
193 video = bootstrap[i]->create(index);
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parents:
diff changeset
194 break;
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parents:
diff changeset
195 }
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diff changeset
196 }
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197 }
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diff changeset
198 } else {
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diff changeset
199 for ( i=0; bootstrap[i]; ++i ) {
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parents:
diff changeset
200 if ( bootstrap[i]->available() ) {
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diff changeset
201 video = bootstrap[i]->create(index);
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parents:
diff changeset
202 if ( video != NULL ) {
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parents:
diff changeset
203 break;
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parents:
diff changeset
204 }
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parents:
diff changeset
205 }
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parents:
diff changeset
206 }
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parents:
diff changeset
207 }
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parents:
diff changeset
208 if ( video == NULL ) {
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parents:
diff changeset
209 SDL_SetError("No available video device");
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diff changeset
210 return(-1);
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parents:
diff changeset
211 }
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diff changeset
212 current_video = video;
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diff changeset
213 current_video->name = bootstrap[i]->name;
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parents:
diff changeset
214
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parents:
diff changeset
215 /* Do some basic variable initialization */
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parents:
diff changeset
216 video->screen = NULL;
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diff changeset
217 video->shadow = NULL;
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diff changeset
218 video->visible = NULL;
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diff changeset
219 video->physpal = NULL;
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parents:
diff changeset
220 video->gammacols = NULL;
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parents:
diff changeset
221 video->gamma = NULL;
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parents:
diff changeset
222 video->wm_title = NULL;
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diff changeset
223 video->wm_icon = NULL;
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parents:
diff changeset
224 video->offset_x = 0;
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diff changeset
225 video->offset_y = 0;
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parents:
diff changeset
226 memset(&video->info, 0, (sizeof video->info));
1052
68f607298ca9 Some work on using accelerated alpha blits with hardware surfaces.
Ryan C. Gordon <icculus@icculus.org>
parents: 1032
diff changeset
227
68f607298ca9 Some work on using accelerated alpha blits with hardware surfaces.
Ryan C. Gordon <icculus@icculus.org>
parents: 1032
diff changeset
228 video->displayformatalphapixel = NULL;
0
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parents:
diff changeset
229
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parents:
diff changeset
230 /* Set some very sane GL defaults */
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parents:
diff changeset
231 video->gl_config.driver_loaded = 0;
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diff changeset
232 video->gl_config.dll_handle = NULL;
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diff changeset
233 video->gl_config.red_size = 5;
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parents:
diff changeset
234 #if 1 /* This seems to work on more video cards, as a default */
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235 video->gl_config.green_size = 5;
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parents:
diff changeset
236 #else
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diff changeset
237 video->gl_config.green_size = 6;
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parents:
diff changeset
238 #endif
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diff changeset
239 video->gl_config.blue_size = 5;
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parents:
diff changeset
240 video->gl_config.alpha_size = 0;
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parents:
diff changeset
241 video->gl_config.buffer_size = 0;
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diff changeset
242 video->gl_config.depth_size = 16;
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parents:
diff changeset
243 video->gl_config.stencil_size = 0;
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parents:
diff changeset
244 video->gl_config.double_buffer = 1;
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diff changeset
245 video->gl_config.accum_red_size = 0;
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diff changeset
246 video->gl_config.accum_green_size = 0;
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diff changeset
247 video->gl_config.accum_blue_size = 0;
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diff changeset
248 video->gl_config.accum_alpha_size = 0;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
249 video->gl_config.stereo = 0;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
250 video->gl_config.multisamplebuffers = 0;
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
251 video->gl_config.multisamplesamples = 0;
0
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parents:
diff changeset
252
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parents:
diff changeset
253 /* Initialize the video subsystem */
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parents:
diff changeset
254 memset(&vformat, 0, sizeof(vformat));
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parents:
diff changeset
255 if ( video->VideoInit(video, &vformat) < 0 ) {
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parents:
diff changeset
256 SDL_VideoQuit();
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parents:
diff changeset
257 return(-1);
74212992fb08 Initial revision
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parents:
diff changeset
258 }
74212992fb08 Initial revision
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parents:
diff changeset
259
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parents:
diff changeset
260 /* Create a zero sized video surface of the appropriate format */
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parents:
diff changeset
261 video_flags = SDL_SWSURFACE;
74212992fb08 Initial revision
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parents:
diff changeset
262 SDL_VideoSurface = SDL_CreateRGBSurface(video_flags, 0, 0,
74212992fb08 Initial revision
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parents:
diff changeset
263 vformat.BitsPerPixel,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 vformat.Rmask, vformat.Gmask, vformat.Bmask, 0);
74212992fb08 Initial revision
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parents:
diff changeset
265 if ( SDL_VideoSurface == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
266 SDL_VideoQuit();
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parents:
diff changeset
267 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
268 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 SDL_PublicSurface = NULL; /* Until SDL_SetVideoMode() */
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parents:
diff changeset
270
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parents:
diff changeset
271 #if 0 /* Don't change the current palette - may be used by other programs.
74212992fb08 Initial revision
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parents:
diff changeset
272 * The application can't do anything with the display surface until
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
273 * a video mode has been set anyway. :)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
275 /* If we have a palettized surface, create a default palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
276 if ( SDL_VideoSurface->format->palette ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
277 SDL_PixelFormat *vf = SDL_VideoSurface->format;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 SDL_DitherColors(vf->palette->colors, vf->BitsPerPixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 video->SetColors(video,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
280 0, vf->palette->ncolors, vf->palette->colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
281 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
282 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
283 video->info.vfmt = SDL_VideoSurface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
284
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
285 /* Start the event loop */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
286 if ( SDL_StartEventLoop(flags) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 SDL_VideoQuit();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
289 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
290 SDL_CursorInit(flags & SDL_INIT_EVENTTHREAD);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
291
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
292 /* We're ready to go! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
293 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
294 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
295
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
296 char *SDL_VideoDriverName(char *namebuf, int maxlen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
297 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
298 if ( current_video != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
299 strncpy(namebuf, current_video->name, maxlen-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
300 namebuf[maxlen-1] = '\0';
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301 return(namebuf);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
303 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 * Get the current display surface
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 SDL_Surface *SDL_GetVideoSurface(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 SDL_Surface *visible;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
313 visible = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314 if ( current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 visible = current_video->visible;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 return(visible);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
318 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
319
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
320 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 * Get the current information about the video hardware
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 const SDL_VideoInfo *SDL_GetVideoInfo(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325 const SDL_VideoInfo *info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 info = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 if ( current_video ) {
74212992fb08 Initial revision
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parents:
diff changeset
329 info = &current_video->info;
74212992fb08 Initial revision
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parents:
diff changeset
330 }
74212992fb08 Initial revision
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parents:
diff changeset
331 return(info);
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parents:
diff changeset
332 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333
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parents:
diff changeset
334 /*
74212992fb08 Initial revision
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parents:
diff changeset
335 * Return a pointer to an array of available screen dimensions for the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 * given format, sorted largest to smallest. Returns NULL if there are
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 * no dimensions available for a particular format, or (SDL_Rect **)-1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 * if any dimension is okay for the given format. If 'format' is NULL,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339 * the mode list will be for the format given by SDL_GetVideoInfo()->vfmt
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 */
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parents:
diff changeset
341 SDL_Rect ** SDL_ListModes (SDL_PixelFormat *format, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342 {
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parents:
diff changeset
343 SDL_VideoDevice *video = current_video;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
344 SDL_VideoDevice *this = current_video;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
345 SDL_Rect **modes;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
346
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parents:
diff changeset
347 modes = NULL;
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parents:
diff changeset
348 if ( SDL_VideoSurface ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349 if ( format == NULL ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350 format = SDL_VideoSurface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 modes = video->ListModes(this, format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 return(modes);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 * Check to see if a particular video mode is supported.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 * It returns 0 if the requested mode is not supported under any bit depth,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 * or returns the bits-per-pixel of the closest available mode with the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 * given width and height. If this bits-per-pixel is different from the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 * one used when setting the video mode, SDL_SetVideoMode() will succeed,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 * but will emulate the requested bits-per-pixel with a shadow surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 static Uint8 SDL_closest_depths[4][8] = {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 /* 8 bit closest depth ordering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 { 0, 8, 16, 15, 32, 24, 0, 0 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368 /* 15,16 bit closest depth ordering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 { 0, 16, 15, 32, 24, 8, 0, 0 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 /* 24 bit closest depth ordering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 { 0, 24, 32, 16, 15, 8, 0, 0 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 /* 32 bit closest depth ordering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 { 0, 32, 16, 15, 24, 8, 0, 0 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
376
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
377 #ifdef macintosh /* MPW optimization bug? */
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
378 #define NEGATIVE_ONE 0xFFFFFFFF
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
379 #else
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
380 #define NEGATIVE_ONE -1
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
381 #endif
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
382
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
383 int SDL_VideoModeOK (int width, int height, int bpp, Uint32 flags)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 int table, b, i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 int supported;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 SDL_PixelFormat format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 SDL_Rect **sizes;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 /* Currently 1 and 4 bpp are not supported */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 if ( bpp < 8 || bpp > 32 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 }
456
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
394 if ( (width <= 0) || (height <= 0) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 /* Search through the list valid of modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 memset(&format, 0, sizeof(format));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 supported = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 table = ((bpp+7)/8)-1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 SDL_closest_depths[table][0] = bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 SDL_closest_depths[table][7] = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 for ( b = 0; !supported && SDL_closest_depths[table][b]; ++b ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 format.BitsPerPixel = SDL_closest_depths[table][b];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 sizes = SDL_ListModes(&format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 if ( sizes == (SDL_Rect **)0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 /* No sizes supported at this bit-depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 continue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 } else
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
411 if (sizes == (SDL_Rect **)NEGATIVE_ONE) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 /* Any size supported at this bit-depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 supported = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 continue;
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
415 } else if (current_video->handles_any_size) {
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
416 /* Driver can center a smaller surface to simulate fullscreen */
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
417 for ( i=0; sizes[i]; ++i ) {
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
418 if ((sizes[i]->w >= width) && (sizes[i]->h >= height)) {
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
419 supported = 1; /* this mode can fit the centered window. */
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
420 break;
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
421 }
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
422 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 for ( i=0; sizes[i]; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 if ((sizes[i]->w == width) && (sizes[i]->h == height)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 supported = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 if ( supported ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 --b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433 return(SDL_closest_depths[table][b]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 * Get the closest non-emulated video mode to the one requested
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442 static int SDL_GetVideoMode (int *w, int *h, int *BitsPerPixel, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 int table, b, i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 int supported;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 int native_bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 SDL_PixelFormat format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 SDL_Rect **sizes;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449
456
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
450 /* Check parameters */
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
451 if ( *BitsPerPixel < 8 || *BitsPerPixel > 32 ) {
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
452 SDL_SetError("Invalid bits per pixel (range is {8...32})");
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
453 return(0);
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
454 }
430
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
455 if ((*w <= 0) || (*h <= 0)) {
456
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
456 SDL_SetError("Invalid width or height");
430
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
457 return(0);
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
458 }
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
459
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460 /* Try the original video mode, get the closest depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 native_bpp = SDL_VideoModeOK(*w, *h, *BitsPerPixel, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 if ( native_bpp == *BitsPerPixel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 if ( native_bpp > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 *BitsPerPixel = native_bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 /* No exact size match at any depth, look for closest match */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 memset(&format, 0, sizeof(format));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 supported = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473 table = ((*BitsPerPixel+7)/8)-1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 SDL_closest_depths[table][0] = *BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 SDL_closest_depths[table][7] = SDL_VideoSurface->format->BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 for ( b = 0; !supported && SDL_closest_depths[table][b]; ++b ) {
1076
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
477 int best;
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
478
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 format.BitsPerPixel = SDL_closest_depths[table][b];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 sizes = SDL_ListModes(&format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481 if ( sizes == (SDL_Rect **)0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 /* No sizes supported at this bit-depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 continue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 }
1076
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
485 best=0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 for ( i=0; sizes[i]; ++i ) {
1076
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
487 /* Mode with both dimensions bigger or equal than asked ? */
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
488 if ((sizes[i]->w >= *w) && (sizes[i]->h >= *h)) {
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
489 /* Mode with any dimension smaller or equal than current best ? */
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
490 if ((sizes[i]->w <= sizes[best]->w) || (sizes[i]->h <= sizes[best]->h)) {
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
491 best=i;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 supported = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 }
1076
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
496 if (supported) {
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
497 *w=sizes[best]->w;
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
498 *h=sizes[best]->h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 *BitsPerPixel = SDL_closest_depths[table][b];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 if ( ! supported ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 SDL_SetError("No video mode large enough for %dx%d", *w, *h);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 return(supported);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 /* This should probably go somewhere else -- like SDL_surface.c */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 static void SDL_ClearSurface(SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 Uint32 black;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 black = SDL_MapRGB(surface->format, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 SDL_FillRect(surface, NULL, black);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 if ((surface->flags&SDL_HWSURFACE) && (surface->flags&SDL_DOUBLEBUF)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516 SDL_Flip(surface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 SDL_FillRect(surface, NULL, black);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 SDL_Flip(surface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 * Create a shadow surface suitable for fooling the app. :-)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 static void SDL_CreateShadowSurface(int depth)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 Uint32 Rmask, Gmask, Bmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 /* Allocate the shadow surface */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 if ( depth == (SDL_VideoSurface->format)->BitsPerPixel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531 Rmask = (SDL_VideoSurface->format)->Rmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 Gmask = (SDL_VideoSurface->format)->Gmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 Bmask = (SDL_VideoSurface->format)->Bmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535 Rmask = Gmask = Bmask = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 SDL_ShadowSurface = SDL_CreateRGBSurface(SDL_SWSURFACE,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 SDL_VideoSurface->w, SDL_VideoSurface->h,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 depth, Rmask, Gmask, Bmask, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 if ( SDL_ShadowSurface == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 /* 8-bit shadow surfaces report that they have exclusive palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 if ( SDL_ShadowSurface->format->palette ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546 SDL_ShadowSurface->flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 if ( depth == (SDL_VideoSurface->format)->BitsPerPixel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 memcpy(SDL_ShadowSurface->format->palette->colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 SDL_VideoSurface->format->palette->colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 SDL_VideoSurface->format->palette->ncolors*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 SDL_DitherColors(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554 SDL_ShadowSurface->format->palette->colors, depth);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
558 /* If the video surface is resizable, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559 if ( (SDL_VideoSurface->flags & SDL_RESIZABLE) == SDL_RESIZABLE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
560 SDL_ShadowSurface->flags |= SDL_RESIZABLE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562 /* If the video surface has no frame, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563 if ( (SDL_VideoSurface->flags & SDL_NOFRAME) == SDL_NOFRAME ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 SDL_ShadowSurface->flags |= SDL_NOFRAME;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 /* If the video surface is fullscreen, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 SDL_ShadowSurface->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
569 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 /* If the video surface is flippable, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 if ( (SDL_VideoSurface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 SDL_ShadowSurface->flags |= SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
577 #ifdef __QNXNTO__
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
578 #include <sys/neutrino.h>
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
579 #endif /* __QNXNTO__ */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
580
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
581 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 * Set the requested video mode, allocating a shadow buffer if necessary.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584 SDL_Surface * SDL_SetVideoMode (int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
586 SDL_VideoDevice *video, *this;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 SDL_Surface *prev_mode, *mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 int video_w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 int video_h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 int video_bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591 int is_opengl;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
592 SDL_GrabMode saved_grab;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
593
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
594 /* Start up the video driver, if necessary..
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
595 WARNING: This is the only function protected this way!
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
596 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
597 if ( ! current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
598 if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_NOPARACHUTE) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
600 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
601 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
602 this = video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
603
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
604 /* Default to the current video bpp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
605 if ( bpp == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606 flags |= SDL_ANYFORMAT;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
607 bpp = SDL_VideoSurface->format->BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
608 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
609
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
610 /* Get a good video mode, the closest one possible */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
611 video_w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
612 video_h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
613 video_bpp = bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
614 if ( ! SDL_GetVideoMode(&video_w, &video_h, &video_bpp, flags) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
615 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
616 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
617
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
618 /* Check the requested flags */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
619 /* There's no palette in > 8 bits-per-pixel mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
620 if ( video_bpp > 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
621 flags &= ~SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
622 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
623 #if 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
624 if ( (flags&SDL_FULLSCREEN) != SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
625 /* There's no windowed double-buffering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
626 flags &= ~SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
627 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
628 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
629 if ( (flags&SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
630 /* Use hardware surfaces when double-buffering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
631 flags |= SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
632 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
633
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
634 is_opengl = ( ( flags & SDL_OPENGL ) == SDL_OPENGL );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
635 if ( is_opengl ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
636 /* These flags are for 2D video modes only */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
637 flags &= ~(SDL_HWSURFACE|SDL_DOUBLEBUF);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
638 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
639
14
c3e9d4a623c1 Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents: 11
diff changeset
640 /* Reset the keyboard here so event callbacks can run */
c3e9d4a623c1 Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents: 11
diff changeset
641 SDL_ResetKeyboard();
460
a888b3ae31ff Reset mouse state when changing video modes
Sam Lantinga <slouken@libsdl.org>
parents: 456
diff changeset
642 SDL_ResetMouse();
14
c3e9d4a623c1 Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents: 11
diff changeset
643
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
644 /* Clean up any previous video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
645 if ( SDL_PublicSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
646 SDL_PublicSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
647 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
648 if ( SDL_ShadowSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
649 SDL_Surface *ready_to_go;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
650 ready_to_go = SDL_ShadowSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
651 SDL_ShadowSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
652 SDL_FreeSurface(ready_to_go);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
653 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
654 if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
655 free(video->physpal->colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
656 free(video->physpal);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
657 video->physpal = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
658 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
659 if( video->gammacols) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
660 free(video->gammacols);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
661 video->gammacols = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 /* Save the previous grab state and turn off grab for mode switch */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
665 saved_grab = SDL_WM_GrabInputOff();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
666
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
667 /* Try to set the video mode, along with offset and clipping */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
668 prev_mode = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
669 SDL_LockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
670 SDL_VideoSurface = NULL; /* In case it's freed by driver */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
671 mode = video->SetVideoMode(this, prev_mode,video_w,video_h,video_bpp,flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
672 if ( mode ) { /* Prevent resize events from mode change */
1190
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
diff changeset
673 /* But not on OS/2 */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
diff changeset
674 #ifndef __OS2__
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675 SDL_PrivateResize(mode->w, mode->h);
1190
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
diff changeset
676 #endif
229
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
677
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
678 /* Sam - If we asked for OpenGL mode, and didn't get it, fail */
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
679 if ( is_opengl && !(mode->flags & SDL_OPENGL) ) {
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
680 mode = NULL;
883
50f5a29c6a17 Date: Sat, 10 Apr 2004 02:25:33 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 853
diff changeset
681 SDL_SetError("OpenGL not available");
229
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
682 }
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
683 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 * rcg11292000
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
686 * If you try to set an SDL_OPENGL surface, and fail to find a
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
687 * matching visual, then the next call to SDL_SetVideoMode()
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
688 * will segfault, since we no longer point to a dummy surface,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
689 * but rather NULL.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
690 * Sam 11/29/00
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
691 * WARNING, we need to make sure that the previous mode hasn't
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
692 * already been freed by the video driver. What do we do in
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
693 * that case? Should we call SDL_VideoInit() again?
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
694 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
695 SDL_VideoSurface = (mode != NULL) ? mode : prev_mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 if ( (mode != NULL) && (!is_opengl) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
698 /* Sanity check */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
699 if ( (mode->w < width) || (mode->h < height) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700 SDL_SetError("Video mode smaller than requested");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 /* If we have a palettized surface, create a default palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705 if ( mode->format->palette ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
706 SDL_PixelFormat *vf = mode->format;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707 SDL_DitherColors(vf->palette->colors, vf->BitsPerPixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708 video->SetColors(this, 0, vf->palette->ncolors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 vf->palette->colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
710 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
711
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
712 /* Clear the surface to black */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
713 video->offset_x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
714 video->offset_y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
715 mode->offset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 SDL_SetClipRect(mode, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 SDL_ClearSurface(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 /* Now adjust the offsets to match the desired mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 video->offset_x = (mode->w-width)/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 video->offset_y = (mode->h-height)/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 mode->offset = video->offset_y*mode->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723 video->offset_x*mode->format->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 #ifdef DEBUG_VIDEO
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
725 fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
726 "Requested mode: %dx%dx%d, obtained mode %dx%dx%d (offset %d)\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727 width, height, bpp,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 mode->w, mode->h, mode->format->BitsPerPixel, mode->offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 mode->w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
731 mode->h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732 SDL_SetClipRect(mode, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 SDL_ResetCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 SDL_UnlockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737 /* If we failed setting a video mode, return NULL... (Uh Oh!) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
738 if ( mode == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
739 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
740 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
741
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
742 /* If there is no window manager, set the SDL_NOFRAME flag */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
743 if ( ! video->info.wm_available ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
744 mode->flags |= SDL_NOFRAME;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
745 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
746
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747 /* Reset the mouse cursor and grab for new video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
748 SDL_SetCursor(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
749 if ( video->UpdateMouse ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
750 video->UpdateMouse(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
751 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
752 SDL_WM_GrabInput(saved_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
753 SDL_GetRelativeMouseState(NULL, NULL); /* Clear first large delta */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
754
650
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
755 #ifdef HAVE_OPENGL
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
756 /* Load GL symbols (before MakeCurrent, where we need glGetString). */
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
757 if ( flags & (SDL_OPENGL | SDL_OPENGLBLIT) ) {
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
758
1032
c1c2efca4548 Date: Mon, 24 Jan 2005 21:37:56 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 989
diff changeset
759 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
916
46916168361d Date: Sun, 25 Jul 2004 23:10:03 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 910
diff changeset
760 #define __SDL_NOGETPROCADDR__
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 944
diff changeset
761 #elif defined(__MINT__)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 944
diff changeset
762 #define __SDL_NOGETPROCADDR__
916
46916168361d Date: Sun, 25 Jul 2004 23:10:03 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 910
diff changeset
763 #endif
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
764 #ifdef __SDL_NOGETPROCADDR__
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
765 #define SDL_PROC(ret,func,params) video->func=func;
663
8bedd6d61642 Date: Sat, 2 Aug 2003 16:22:51 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 662
diff changeset
766 #else
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
767 #define SDL_PROC(ret,func,params) \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
768 do { \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
769 video->func = SDL_GL_GetProcAddress(#func); \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
770 if ( ! video->func ) { \
1141
fe1fa56dcbc6 If couldn't load a needed GL symbol in SDL_SetVideoMode(), report it more
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
771 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
772 return(NULL); \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
773 } \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
774 } while ( 0 );
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
775
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
776 #endif /* __SDL_NOGETPROCADDR__ */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
777
650
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
778 #include "SDL_glfuncs.h"
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
779 #undef SDL_PROC
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
780 }
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
781 #endif /* HAVE_OPENGL */
650
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
782
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
783 /* If we're running OpenGL, make the context current */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
784 if ( (video->screen->flags & SDL_OPENGL) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
785 video->GL_MakeCurrent ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
786 if ( video->GL_MakeCurrent(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
787 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
788 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
789 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
790
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
791 /* Set up a fake SDL surface for OpenGL "blitting" */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
792 if ( (flags & SDL_OPENGLBLIT) == SDL_OPENGLBLIT ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
793 /* Load GL functions for performing the texture updates */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
794 #ifdef HAVE_OPENGL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
795
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
796 /* Create a software surface for blitting */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
797 #ifdef GL_VERSION_1_2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
798 /* If the implementation either supports the packed pixels
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
799 extension, or implements the core OpenGL 1.2 API, it will
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
800 support the GL_UNSIGNED_SHORT_5_6_5 texture format.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
801 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
802 if ( (bpp == 16) &&
282
b42d80e73896 Fixed SDL_OPENGLBLIT with OpenGL API newer than 1.2
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
803 (strstr((const char *)video->glGetString(GL_EXTENSIONS), "GL_EXT_packed_pixels") ||
b42d80e73896 Fixed SDL_OPENGLBLIT with OpenGL API newer than 1.2
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
804 (atof((const char *)video->glGetString(GL_VERSION)) >= 1.2f))
b42d80e73896 Fixed SDL_OPENGLBLIT with OpenGL API newer than 1.2
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
805 ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
806 video->is_32bit = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
807 SDL_VideoSurface = SDL_CreateRGBSurface(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
808 flags,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
809 width,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
810 height,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
811 16,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
812 31 << 11,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
813 63 << 5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
814 31,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
815 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
816 );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
817 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
818 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
819 #endif /* OpenGL 1.2 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
820 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
821 video->is_32bit = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
822 SDL_VideoSurface = SDL_CreateRGBSurface(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
823 flags,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
824 width,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
825 height,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
826 32,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
827 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
828 0x000000FF,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
829 0x0000FF00,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
830 0x00FF0000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
831 0xFF000000
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
832 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
833 0xFF000000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
834 0x00FF0000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
835 0x0000FF00,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
836 0x000000FF
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
837 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
838 );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
839 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
840 if ( ! SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
841 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
842 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
843 SDL_VideoSurface->flags = mode->flags | SDL_OPENGLBLIT;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
844
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
845 /* Free the original video mode surface (is this safe?) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
846 SDL_FreeSurface(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
847
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
848 /* Set the surface completely opaque & white by default */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
849 memset( SDL_VideoSurface->pixels, 255, SDL_VideoSurface->h * SDL_VideoSurface->pitch );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
850 video->glGenTextures( 1, &video->texture );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
851 video->glBindTexture( GL_TEXTURE_2D, video->texture );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
852 video->glTexImage2D(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
853 GL_TEXTURE_2D,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
854 0,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
855 video->is_32bit ? GL_RGBA : GL_RGB,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
856 256,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
857 256,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
858 0,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
859 video->is_32bit ? GL_RGBA : GL_RGB,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
860 #ifdef GL_VERSION_1_2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
861 video->is_32bit ? GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT_5_6_5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
862 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
863 GL_UNSIGNED_BYTE,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
864 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
865 NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
866
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
867 video->UpdateRects = SDL_GL_UpdateRectsLock;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
868 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
869 SDL_SetError("Somebody forgot to #define HAVE_OPENGL");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
870 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
871 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
872 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
873
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
874 /* Create a shadow surface if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
875 /* There are three conditions under which we create a shadow surface:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
876 1. We need a particular bits-per-pixel that we didn't get.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
877 2. We need a hardware palette and didn't get one.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
878 3. We need a software surface and got a hardware surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
879 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
880 if ( !(SDL_VideoSurface->flags & SDL_OPENGL) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
881 (
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
882 ( !(flags&SDL_ANYFORMAT) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
883 (SDL_VideoSurface->format->BitsPerPixel != bpp)) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
884 ( (flags&SDL_HWPALETTE) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
885 !(SDL_VideoSurface->flags&SDL_HWPALETTE)) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
886 /* If the surface is in hardware, video writes are visible
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
887 as soon as they are performed, so we need to buffer them
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
888 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
889 ( ((flags&SDL_HWSURFACE) == SDL_SWSURFACE) &&
580
be6495850a62 If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents: 567
diff changeset
890 (SDL_VideoSurface->flags&SDL_HWSURFACE)) ||
be6495850a62 If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents: 567
diff changeset
891 ( (flags&SDL_DOUBLEBUF) &&
be6495850a62 If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents: 567
diff changeset
892 (SDL_VideoSurface->flags&SDL_HWSURFACE) &&
be6495850a62 If a double-buffered surface was requested, and a plain hardware surface
Sam Lantinga <slouken@libsdl.org>
parents: 567
diff changeset
893 !(SDL_VideoSurface->flags&SDL_DOUBLEBUF))
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
894 ) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
895 SDL_CreateShadowSurface(bpp);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
896 if ( SDL_ShadowSurface == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897 SDL_SetError("Couldn't create shadow surface");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
898 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
899 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 SDL_PublicSurface = SDL_ShadowSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
901 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
902 SDL_PublicSurface = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
903 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
904 video->info.vfmt = SDL_VideoSurface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
905
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
906 /* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
907 return(SDL_PublicSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
908 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
909
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
910 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
911 * Convert a surface into the video pixel format.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
912 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
913 SDL_Surface * SDL_DisplayFormat (SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
914 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
915 Uint32 flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
916
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
917 if ( ! SDL_PublicSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
918 SDL_SetError("No video mode has been set");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
919 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
920 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
921 /* Set the flags appropriate for copying to display surface */
313
67ad846ed21c *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 306
diff changeset
922 if (((SDL_PublicSurface->flags&SDL_HWSURFACE) == SDL_HWSURFACE) && current_video->info.blit_hw)
306
3879bed3395c Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
923 flags = SDL_HWSURFACE;
3879bed3395c Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
924 else
3879bed3395c Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
925 flags = SDL_SWSURFACE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
926 #ifdef AUTORLE_DISPLAYFORMAT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
927 flags |= (surface->flags & (SDL_SRCCOLORKEY|SDL_SRCALPHA));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
928 flags |= SDL_RLEACCELOK;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
929 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
930 flags |= surface->flags & (SDL_SRCCOLORKEY|SDL_SRCALPHA|SDL_RLEACCELOK);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
931 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
932 return(SDL_ConvertSurface(surface, SDL_PublicSurface->format, flags));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
933 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
934
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
935 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
936 * Convert a surface into a format that's suitable for blitting to
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
937 * the screen, but including an alpha channel.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
938 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
939 SDL_Surface *SDL_DisplayFormatAlpha(SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
940 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
941 SDL_PixelFormat *vf;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
942 SDL_PixelFormat *format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
943 SDL_Surface *converted;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
944 Uint32 flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
945 /* default to ARGB8888 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
946 Uint32 amask = 0xff000000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
947 Uint32 rmask = 0x00ff0000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
948 Uint32 gmask = 0x0000ff00;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
949 Uint32 bmask = 0x000000ff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
950
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
951 if ( ! SDL_PublicSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
952 SDL_SetError("No video mode has been set");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
953 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
954 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
955 vf = SDL_PublicSurface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
956
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
957 switch(vf->BytesPerPixel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
958 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
959 /* For XGY5[56]5, use, AXGY8888, where {X, Y} = {R, B}.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
960 For anything else (like ARGB4444) it doesn't matter
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
961 since we have no special code for it anyway */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
962 if ( (vf->Rmask == 0x1f) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
963 (vf->Bmask == 0xf800 || vf->Bmask == 0x7c00)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
964 rmask = 0xff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
965 bmask = 0xff0000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
966 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
967 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
968
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
969 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
970 case 4:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
971 /* Keep the video format, as long as the high 8 bits are
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
972 unused or alpha */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
973 if ( (vf->Rmask == 0xff) && (vf->Bmask == 0xff0000) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
974 rmask = 0xff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
975 bmask = 0xff0000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
976 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
977 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
978
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
979 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
980 /* We have no other optimised formats right now. When/if a new
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
981 optimised alpha format is written, add the converter here */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
982 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
983 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
984 format = SDL_AllocFormat(32, rmask, gmask, bmask, amask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
985 flags = SDL_PublicSurface->flags & SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
986 flags |= surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
987 converted = SDL_ConvertSurface(surface, format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
988 SDL_FreeFormat(format);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
989 return(converted);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
990 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
991
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
992 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
993 * Update a specific portion of the physical screen
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
994 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
995 void SDL_UpdateRect(SDL_Surface *screen, Sint32 x, Sint32 y, Uint32 w, Uint32 h)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
996 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
997 if ( screen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
998 SDL_Rect rect;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
999
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1000 /* Perform some checking */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1001 if ( w == 0 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1002 w = screen->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1003 if ( h == 0 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1004 h = screen->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1005 if ( (int)(x+w) > screen->w )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1006 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1007 if ( (int)(y+h) > screen->h )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1008 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1009
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1010 /* Fill the rectangle */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1011 rect.x = x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1012 rect.y = y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1013 rect.w = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1014 rect.h = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1015 SDL_UpdateRects(screen, 1, &rect);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1016 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1018 void SDL_UpdateRects (SDL_Surface *screen, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1019 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1020 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1021 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1022 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1023
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1024 if ( screen == SDL_ShadowSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1025 /* Blit the shadow surface using saved mapping */
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1026 SDL_Palette *pal = screen->format->palette;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1027 SDL_Color *saved_colors = NULL;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1028 if ( pal && !(SDL_VideoSurface->flags & SDL_HWPALETTE) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1029 /* simulated 8bpp, use correct physical palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1030 saved_colors = pal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1031 if ( video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1032 /* gamma-corrected palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1033 pal->colors = video->gammacols;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1034 } else if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1035 /* physical palette different from logical */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1036 pal->colors = video->physpal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1037 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1038 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1039 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1040 SDL_LockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1041 SDL_DrawCursor(SDL_ShadowSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1042 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1043 SDL_LowerBlit(SDL_ShadowSurface, &rects[i],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1044 SDL_VideoSurface, &rects[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1045 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1046 SDL_EraseCursor(SDL_ShadowSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1047 SDL_UnlockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1048 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1049 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1050 SDL_LowerBlit(SDL_ShadowSurface, &rects[i],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1051 SDL_VideoSurface, &rects[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1052 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1053 }
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1054 if ( saved_colors ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1055 pal->colors = saved_colors;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1056 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1057
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1058 /* Fall through to video surface update */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1059 screen = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1060 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1061 if ( screen == SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1062 /* Update the video surface */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1063 if ( screen->offset ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1065 rects[i].x += video->offset_x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1066 rects[i].y += video->offset_y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1067 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1068 video->UpdateRects(this, numrects, rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1069 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1070 rects[i].x -= video->offset_x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1071 rects[i].y -= video->offset_y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1072 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1073 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1074 video->UpdateRects(this, numrects, rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1075 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1076 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1077 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1078
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1079 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1080 * Performs hardware double buffering, if possible, or a full update if not.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1081 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1082 int SDL_Flip(SDL_Surface *screen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1083 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1084 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1085 /* Copy the shadow surface to the video surface */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1086 if ( screen == SDL_ShadowSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1087 SDL_Rect rect;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1088 SDL_Palette *pal = screen->format->palette;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1089 SDL_Color *saved_colors = NULL;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1090 if ( pal && !(SDL_VideoSurface->flags & SDL_HWPALETTE) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1091 /* simulated 8bpp, use correct physical palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1092 saved_colors = pal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1093 if ( video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1094 /* gamma-corrected palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1095 pal->colors = video->gammacols;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1096 } else if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1097 /* physical palette different from logical */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1098 pal->colors = video->physpal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1099 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1100 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1101
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1102 rect.x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1103 rect.y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1104 rect.w = screen->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1105 rect.h = screen->h;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1106 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) {
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1107 SDL_LockCursor();
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1108 SDL_DrawCursor(SDL_ShadowSurface);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1109 SDL_LowerBlit(SDL_ShadowSurface, &rect,
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1110 SDL_VideoSurface, &rect);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1111 SDL_EraseCursor(SDL_ShadowSurface);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1112 SDL_UnlockCursor();
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1113 } else {
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1114 SDL_LowerBlit(SDL_ShadowSurface, &rect,
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1115 SDL_VideoSurface, &rect);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1116 }
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1117 if ( saved_colors ) {
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1118 pal->colors = saved_colors;
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1119 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1120
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1121 /* Fall through to video surface update */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1122 screen = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1123 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1124 if ( (screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1125 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1126 return(video->FlipHWSurface(this, SDL_VideoSurface));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1127 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1128 SDL_UpdateRect(screen, 0, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1129 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1130 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1131 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1132
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1133 static void SetPalette_logical(SDL_Surface *screen, SDL_Color *colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1134 int firstcolor, int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1135 {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1136 SDL_Palette *pal = screen->format->palette;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1137 SDL_Palette *vidpal;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1138
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1139 if ( colors != (pal->colors + firstcolor) ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1140 memcpy(pal->colors + firstcolor, colors,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1141 ncolors * sizeof(*colors));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1142 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1143
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1144 vidpal = SDL_VideoSurface->format->palette;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1145 if ( (screen == SDL_ShadowSurface) && vidpal ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1146 /*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1147 * This is a shadow surface, and the physical
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1148 * framebuffer is also indexed. Propagate the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1149 * changes to its logical palette so that
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1150 * updates are always identity blits
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1151 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1152 memcpy(vidpal->colors + firstcolor, colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1153 ncolors * sizeof(*colors));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1154 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1155 SDL_FormatChanged(screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1156 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1157
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1158 static int SetPalette_physical(SDL_Surface *screen,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1159 SDL_Color *colors, int firstcolor, int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1160 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1161 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1162 int gotall = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1163
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1164 if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1165 /* We need to copy the new colors, since we haven't
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1166 * already done the copy in the logical set above.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1167 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1168 memcpy(video->physpal->colors + firstcolor,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1169 colors, ncolors * sizeof(*colors));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1170 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1171 if ( screen == SDL_ShadowSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1172 if ( SDL_VideoSurface->flags & SDL_HWPALETTE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1173 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1174 * The real screen is also indexed - set its physical
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1175 * palette. The physical palette does not include the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1176 * gamma modification, we apply it directly instead,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1177 * but this only happens if we have hardware palette.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1178 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1179 screen = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1180 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1181 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1182 * The video surface is not indexed - invalidate any
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1183 * active shadow-to-video blit mappings.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1184 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1185 if ( screen->map->dst == SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1186 SDL_InvalidateMap(screen->map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1187 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1188 if ( video->gamma ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1189 if( ! video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1190 SDL_Palette *pp = video->physpal;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1191 if(!pp)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1192 pp = screen->format->palette;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1193 video->gammacols = malloc(pp->ncolors
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1194 * sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1195 SDL_ApplyGamma(video->gamma,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1196 pp->colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1197 video->gammacols,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1198 pp->ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1199 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1200 SDL_ApplyGamma(video->gamma, colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1201 video->gammacols
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1202 + firstcolor,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1203 ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1204 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1205 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1206 SDL_UpdateRect(screen, 0, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1207 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1208 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1209
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1210 if ( screen == SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1211 SDL_Color gcolors[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1212
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1213 if ( video->gamma ) {
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1214 SDL_ApplyGamma(video->gamma, colors, gcolors, ncolors);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1215 colors = gcolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1216 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1217 gotall = video->SetColors(video, firstcolor, ncolors, colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1218 if ( ! gotall ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1219 /* The video flags shouldn't have SDL_HWPALETTE, and
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1220 the video driver is responsible for copying back the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1221 correct colors into the video surface palette.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1222 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1223 ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1224 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1225 SDL_CursorPaletteChanged();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1226 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1227 return gotall;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1228 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1229
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1230 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1231 * Set the physical and/or logical colormap of a surface:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1232 * Only the screen has a physical colormap. It determines what is actually
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1233 * sent to the display.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1234 * The logical colormap is used to map blits to/from the surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1235 * 'which' is one or both of SDL_LOGPAL, SDL_PHYSPAL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1236 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1237 * Return nonzero if all colours were set as requested, or 0 otherwise.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1238 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1239 int SDL_SetPalette(SDL_Surface *screen, int which,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1240 SDL_Color *colors, int firstcolor, int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1241 {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1242 SDL_Palette *pal;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1243 int gotall;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1244 int palsize;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1245
34
27cb016592f9 Minor crash bugfix
Sam Lantinga <slouken@lokigames.com>
parents: 30
diff changeset
1246 if ( ! current_video ) {
27cb016592f9 Minor crash bugfix
Sam Lantinga <slouken@lokigames.com>
parents: 30
diff changeset
1247 return 0;
27cb016592f9 Minor crash bugfix
Sam Lantinga <slouken@lokigames.com>
parents: 30
diff changeset
1248 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1249 if ( screen != SDL_PublicSurface ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1250 /* only screens have physical palettes */
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1251 which &= ~SDL_PHYSPAL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1252 } else if( (screen->flags & SDL_HWPALETTE) != SDL_HWPALETTE ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1253 /* hardware palettes required for split colormaps */
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1254 which |= SDL_PHYSPAL | SDL_LOGPAL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1255 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1256
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1257 /* Verify the parameters */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1258 pal = screen->format->palette;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1259 if( !pal ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1260 return 0; /* not a palettized surface */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1261 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1262 gotall = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1263 palsize = 1 << screen->format->BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1264 if ( ncolors > (palsize - firstcolor) ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1265 ncolors = (palsize - firstcolor);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1266 gotall = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1267 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1268
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1269 if ( which & SDL_LOGPAL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1270 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1271 * Logical palette change: The actual screen isn't affected,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1272 * but the internal colormap is altered so that the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1273 * interpretation of the pixel values (for blits etc) is
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1274 * changed.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1275 */
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1276 SetPalette_logical(screen, colors, firstcolor, ncolors);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1277 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1278 if ( which & SDL_PHYSPAL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1279 SDL_VideoDevice *video = current_video;
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1280 /*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1281 * Physical palette change: This doesn't affect the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1282 * program's idea of what the screen looks like, but changes
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1283 * its actual appearance.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1284 */
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1285 if(!video)
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1286 return gotall; /* video not yet initialized */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1287 if(!video->physpal && !(which & SDL_LOGPAL) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1288 /* Lazy physical palette allocation */
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1289 int size;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1290 SDL_Palette *pp = malloc(sizeof(*pp));
944
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1291 if ( !pp ) {
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1292 return 0;
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1293 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1294 current_video->physpal = pp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1295 pp->ncolors = pal->ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1296 size = pp->ncolors * sizeof(SDL_Color);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1297 pp->colors = malloc(size);
944
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1298 if ( !pp->colors ) {
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1299 return 0;
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1300 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1301 memcpy(pp->colors, pal->colors, size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1302 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1303 if ( ! SetPalette_physical(screen,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1304 colors, firstcolor, ncolors) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1305 gotall = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1306 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1307 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1308 return gotall;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1309 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1310
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1311 int SDL_SetColors(SDL_Surface *screen, SDL_Color *colors, int firstcolor,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1312 int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1313 {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1314 return SDL_SetPalette(screen, SDL_LOGPAL | SDL_PHYSPAL,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1315 colors, firstcolor, ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1316 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1317
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1318 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1319 * Clean up the video subsystem
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1320 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1321 void SDL_VideoQuit (void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1322 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1323 SDL_Surface *ready_to_go;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1324
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1325 if ( current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1326 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1327 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1328
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1329 /* Halt event processing before doing anything else */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1330 SDL_StopEventLoop();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1331
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1332 /* Clean up allocated window manager items */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1333 if ( SDL_PublicSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1334 SDL_PublicSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1335 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1336 SDL_CursorQuit();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1337
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1338 /* Just in case... */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1339 SDL_WM_GrabInputOff();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1340
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1341 /* Clean up the system video */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1342 video->VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1343
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1344 /* Free any lingering surfaces */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1345 ready_to_go = SDL_ShadowSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1346 SDL_ShadowSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1347 SDL_FreeSurface(ready_to_go);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1348 if ( SDL_VideoSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1349 ready_to_go = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1350 SDL_VideoSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1351 SDL_FreeSurface(ready_to_go);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1352 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1353 SDL_PublicSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1354
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1355 /* Clean up miscellaneous memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1356 if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1357 free(video->physpal->colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1358 free(video->physpal);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1359 video->physpal = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1360 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1361 if ( video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1362 free(video->gammacols);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1363 video->gammacols = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1364 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1365 if ( video->gamma ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1366 free(video->gamma);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1367 video->gamma = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1368 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1369 if ( video->wm_title != NULL ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1370 free(video->wm_title);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1371 video->wm_title = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1372 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1373 if ( video->wm_icon != NULL ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1374 free(video->wm_icon);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1375 video->wm_icon = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1376 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1377
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1378 /* Finish cleaning up video subsystem */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1379 video->free(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1380 current_video = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1381 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1382 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1383 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1384
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1385 /* Load the GL driver library */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1386 int SDL_GL_LoadLibrary(const char *path)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1387 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1388 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1389 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1390 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1391
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1392 retval = -1;
423
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1393 if ( video == NULL ) {
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1394 SDL_SetError("Video subsystem has not been initialized");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1395 } else {
423
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1396 if ( video->GL_LoadLibrary ) {
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1397 retval = video->GL_LoadLibrary(this, path);
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1398 } else {
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1399 SDL_SetError("No dynamic GL support in video driver");
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1400 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1401 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1402 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1403 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1404
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1405 void *SDL_GL_GetProcAddress(const char* proc)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1406 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1407 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1408 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1409 void *func;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1410
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1411 func = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1412 if ( video->GL_GetProcAddress ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1413 if ( video->gl_config.driver_loaded ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1414 func = video->GL_GetProcAddress(this, proc);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1415 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1416 SDL_SetError("No GL driver has been loaded");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1417 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1418 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1419 SDL_SetError("No dynamic GL support in video driver");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1420 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1421 return func;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1422 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1423
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1424 /* Set the specified GL attribute for setting up a GL video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1425 int SDL_GL_SetAttribute( SDL_GLattr attr, int value )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1426 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1427 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1428 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1429
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1430 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1431 switch (attr) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1432 case SDL_GL_RED_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1433 video->gl_config.red_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1434 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1435 case SDL_GL_GREEN_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1436 video->gl_config.green_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1437 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1438 case SDL_GL_BLUE_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1439 video->gl_config.blue_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1440 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1441 case SDL_GL_ALPHA_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1442 video->gl_config.alpha_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1443 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1444 case SDL_GL_DOUBLEBUFFER:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1445 video->gl_config.double_buffer = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1446 break;
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1447 case SDL_GL_BUFFER_SIZE:
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1448 video->gl_config.buffer_size = value;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1449 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1450 case SDL_GL_DEPTH_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1451 video->gl_config.depth_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1452 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1453 case SDL_GL_STENCIL_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1454 video->gl_config.stencil_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1455 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1456 case SDL_GL_ACCUM_RED_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1457 video->gl_config.accum_red_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1458 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1459 case SDL_GL_ACCUM_GREEN_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1460 video->gl_config.accum_green_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1461 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1462 case SDL_GL_ACCUM_BLUE_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1463 video->gl_config.accum_blue_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1464 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1465 case SDL_GL_ACCUM_ALPHA_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1466 video->gl_config.accum_alpha_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1467 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1468 case SDL_GL_STEREO:
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1469 video->gl_config.stereo = value;
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1470 break;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
1471 case SDL_GL_MULTISAMPLEBUFFERS:
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
1472 video->gl_config.multisamplebuffers = value;
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 650
diff changeset
1473 break;
656
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
1474 case SDL_GL_MULTISAMPLESAMPLES:
864e2d2a9a55 Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents: 655
diff changeset
1475 video->gl_config.multisamplesamples = value;
655
9c42ee1b7d77 Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 650
diff changeset
1476 break;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1477 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1478 SDL_SetError("Unknown OpenGL attribute");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1479 retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1480 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1481 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1482 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1483 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1484
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1485 /* Retrieve an attribute value from the windowing system. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1486 int SDL_GL_GetAttribute(SDL_GLattr attr, int* value)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1487 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1488 int retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1489 SDL_VideoDevice* video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1490 SDL_VideoDevice* this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1491
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1492 if ( video->GL_GetAttribute ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1493 retval = this->GL_GetAttribute(this, attr, value);
11
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1494 } else {
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1495 *value = 0;
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1496 SDL_SetError("GL_GetAttribute not supported");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1497 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1498 return retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1499 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1500
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1501 /* Perform a GL buffer swap on the current GL context */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1502 void SDL_GL_SwapBuffers(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1503 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1504 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1505 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1506
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1507 if ( video->screen->flags & SDL_OPENGL ) {
266
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1508 video->GL_SwapBuffers(this);
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1509 } else {
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1510 SDL_SetError("OpenGL video mode has not been set");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1511 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1512 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1513
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1514 /* Update rects with locking */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1515 void SDL_GL_UpdateRectsLock(SDL_VideoDevice* this, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1516 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1517 SDL_GL_Lock();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1518 SDL_GL_UpdateRects(numrects, rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1519 SDL_GL_Unlock();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1520 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1521
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1522 /* Update rects without state setting and changing (the caller is responsible for it) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1523 void SDL_GL_UpdateRects(int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1524 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1525 #ifdef HAVE_OPENGL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1526 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1527 SDL_Rect update, tmp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1528 int x, y, i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1529
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1530 for ( i = 0; i < numrects; i++ )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1531 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1532 tmp.y = rects[i].y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1533 tmp.h = rects[i].h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1534 for ( y = 0; y <= rects[i].h / 256; y++ )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1535 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1536 tmp.x = rects[i].x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1537 tmp.w = rects[i].w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1538 for ( x = 0; x <= rects[i].w / 256; x++ )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1539 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1540 update.x = tmp.x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1541 update.y = tmp.y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1542 update.w = tmp.w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1543 update.h = tmp.h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1544
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1545 if ( update.w > 256 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1546 update.w = 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1547
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1548 if ( update.h > 256 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1549 update.h = 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1550
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1551 this->glFlush();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1552 this->glTexSubImage2D(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1553 GL_TEXTURE_2D,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1554 0,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1555 0,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1556 0,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1557 update.w,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1558 update.h,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1559 this->is_32bit? GL_RGBA : GL_RGB,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1560 #ifdef GL_VERSION_1_2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1561 this->is_32bit ? GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT_5_6_5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1562 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1563 GL_UNSIGNED_BYTE,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1564 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1565 (Uint8 *)this->screen->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1566 this->screen->format->BytesPerPixel * update.x +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1567 update.y * this->screen->pitch );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1568
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1569 this->glFlush();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1570 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1571 * Note the parens around the function name:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1572 * This is because some OpenGL implementations define glTexCoord etc
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1573 * as macros, and we don't want them expanded here.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1574 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1575 this->glBegin(GL_TRIANGLE_STRIP);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1576 (this->glTexCoord2f)( 0.0, 0.0 );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1577 (this->glVertex2i)( update.x, update.y );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1578 (this->glTexCoord2f)( (float)(update.w / 256.0), 0.0 );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1579 (this->glVertex2i)( update.x + update.w, update.y );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1580 (this->glTexCoord2f)( 0.0, (float)(update.h / 256.0) );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1581 (this->glVertex2i)( update.x, update.y + update.h );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1582 (this->glTexCoord2f)( (float)(update.w / 256.0), (float)(update.h / 256.0) );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1583 (this->glVertex2i)( update.x + update.w , update.y + update.h );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1584 this->glEnd();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1585
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1586 tmp.x += 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1587 tmp.w -= 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1588 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1589 tmp.y += 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1590 tmp.h -= 256;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1591 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1592 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1593 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1594 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1595
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1596 /* Lock == save current state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1597 void SDL_GL_Lock()
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1598 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1599 #ifdef HAVE_OPENGL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1600 lock_count--;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1601 if (lock_count==-1)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1602 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1603 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1604
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1605 this->glPushAttrib( GL_ALL_ATTRIB_BITS ); /* TODO: narrow range of what is saved */
125
0ae324925dd7 Fix build when GL_CLIENT_PIXEL_STORE_BIT is not defined
Sam Lantinga <slouken@libsdl.org>
parents: 75
diff changeset
1606 #ifdef GL_CLIENT_PIXEL_STORE_BIT
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1607 this->glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
125
0ae324925dd7 Fix build when GL_CLIENT_PIXEL_STORE_BIT is not defined
Sam Lantinga <slouken@libsdl.org>
parents: 75
diff changeset
1608 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1609
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1610 this->glEnable(GL_TEXTURE_2D);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1611 this->glEnable(GL_BLEND);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1612 this->glDisable(GL_FOG);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1613 this->glDisable(GL_ALPHA_TEST);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1614 this->glDisable(GL_DEPTH_TEST);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1615 this->glDisable(GL_SCISSOR_TEST);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1616 this->glDisable(GL_STENCIL_TEST);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1617 this->glDisable(GL_CULL_FACE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1618
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1619 this->glBindTexture( GL_TEXTURE_2D, this->texture );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1620 this->glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1621 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1622 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1623 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1624 this->glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1625
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1626 this->glPixelStorei( GL_UNPACK_ROW_LENGTH, this->screen->pitch / this->screen->format->BytesPerPixel );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1627 this->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1628 (this->glColor4f)(1.0, 1.0, 1.0, 1.0); /* Solaris workaround */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1629
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1630 this->glViewport(0, 0, this->screen->w, this->screen->h);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1631 this->glMatrixMode(GL_PROJECTION);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1632 this->glPushMatrix();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1633 this->glLoadIdentity();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1634
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1635 this->glOrtho(0.0, (GLdouble) this->screen->w, (GLdouble) this->screen->h, 0.0, 0.0, 1.0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1636
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1637 this->glMatrixMode(GL_MODELVIEW);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1638 this->glPushMatrix();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1639 this->glLoadIdentity();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1640 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1641 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1642 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1643
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1644 /* Unlock == restore saved state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1645 void SDL_GL_Unlock()
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1646 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1647 #ifdef HAVE_OPENGL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1648 lock_count++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1649 if (lock_count==0)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1650 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1651 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1652
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1653 this->glPopMatrix();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1654 this->glMatrixMode(GL_PROJECTION);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1655 this->glPopMatrix();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1656
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1657 this->glPopClientAttrib();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1658 this->glPopAttrib();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1659 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1660 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1661 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1662
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1663 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1664 * Sets/Gets the title and icon text of the display window, if any.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1665 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1666 void SDL_WM_SetCaption (const char *title, const char *icon)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1667 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1668 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1669 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1670
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1671 if ( video ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1672 if ( title ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1673 if ( video->wm_title ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1674 free(video->wm_title);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1675 }
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1676 video->wm_title = (char *)malloc(strlen(title)+1);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1677 if ( video->wm_title != NULL ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1678 strcpy(video->wm_title, title);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1679 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1680 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1681 if ( icon ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1682 if ( video->wm_icon ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1683 free(video->wm_icon);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1684 }
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1685 video->wm_icon = (char *)malloc(strlen(icon)+1);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1686 if ( video->wm_icon != NULL ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1687 strcpy(video->wm_icon, icon);
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1688 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1689 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1690 if ( (title || icon) && (video->SetCaption != NULL) ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1691 video->SetCaption(this, video->wm_title,video->wm_icon);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1692 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1693 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1694 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1695 void SDL_WM_GetCaption (char **title, char **icon)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1696 {
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1697 SDL_VideoDevice *video = current_video;
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1698
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1699 if ( video ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1700 if ( title ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1701 *title = video->wm_title;
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1702 }
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1703 if ( icon ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1704 *icon = video->wm_icon;
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1705 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1706 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1707 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1708
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1709 /* Utility function used by SDL_WM_SetIcon();
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1710 * flags & 1 for color key, flags & 2 for alpha channel. */
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1711 static void CreateMaskFromColorKeyOrAlpha(SDL_Surface *icon, Uint8 *mask, int flags)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1712 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1713 int x, y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1714 Uint32 colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1715 #define SET_MASKBIT(icon, x, y, mask) \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1716 mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1717
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1718 colorkey = icon->format->colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1719 switch (icon->format->BytesPerPixel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1720 case 1: { Uint8 *pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1721 for ( y=0; y<icon->h; ++y ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1722 pixels = (Uint8 *)icon->pixels + y*icon->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1723 for ( x=0; x<icon->w; ++x ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1724 if ( *pixels++ == colorkey ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1725 SET_MASKBIT(icon, x, y, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1726 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1727 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1728 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1729 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1730 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1731
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1732 case 2: { Uint16 *pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1733 for ( y=0; y<icon->h; ++y ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1734 pixels = (Uint16 *)icon->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1735 y*icon->pitch/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1736 for ( x=0; x<icon->w; ++x ) {
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1737 if ( (flags & 1) && *pixels == colorkey ) {
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1738 SET_MASKBIT(icon, x, y, mask);
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1739 } else if((flags & 2) && (*pixels & icon->format->Amask) == 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1740 SET_MASKBIT(icon, x, y, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1741 }
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1742 pixels++;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1743 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1744 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1745 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1746 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1747
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1748 case 4: { Uint32 *pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1749 for ( y=0; y<icon->h; ++y ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1750 pixels = (Uint32 *)icon->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1751 y*icon->pitch/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1752 for ( x=0; x<icon->w; ++x ) {
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1753 if ( (flags & 1) && *pixels == colorkey ) {
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1754 SET_MASKBIT(icon, x, y, mask);
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1755 } else if((flags & 2) && (*pixels & icon->format->Amask) == 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1756 SET_MASKBIT(icon, x, y, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1757 }
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1758 pixels++;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1759 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1760 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1761 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1762 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1763 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1764 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1765
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1766 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1767 * Sets the window manager icon for the display window.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1768 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1769 void SDL_WM_SetIcon (SDL_Surface *icon, Uint8 *mask)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1770 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1771 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1772 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1773
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1774 if ( icon && video->SetIcon ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1775 /* Generate a mask if necessary, and create the icon! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1776 if ( mask == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1777 int mask_len = icon->h*(icon->w+7)/8;
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1778 int flags = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1779 mask = (Uint8 *)malloc(mask_len);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1780 if ( mask == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1781 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1782 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1783 memset(mask, ~0, mask_len);
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1784 if ( icon->flags & SDL_SRCCOLORKEY ) flags |= 1;
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1785 if ( icon->flags & SDL_SRCALPHA ) flags |= 2;
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1786 if( flags ) {
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1787 CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1788 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1789 video->SetIcon(video, icon, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1790 free(mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1791 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1792 video->SetIcon(this, icon, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1793 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1794 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1795 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1796
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1797 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1798 * Grab or ungrab the keyboard and mouse input.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1799 * This function returns the final grab mode after calling the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1800 * driver dependent function.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1801 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1802 static SDL_GrabMode SDL_WM_GrabInputRaw(SDL_GrabMode mode)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1803 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1804 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1805 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1806
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1807 /* Only do something if we have support for grabs */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1808 if ( video->GrabInput == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1809 return(video->input_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1810 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1811
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1812 /* If the final grab mode if off, only then do we actually grab */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1813 #ifdef DEBUG_GRAB
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1814 printf("SDL_WM_GrabInputRaw(%d) ... ", mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1815 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1816 if ( mode == SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1817 if ( video->input_grab != SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1818 mode = video->GrabInput(this, mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1819 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1820 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1821 if ( video->input_grab == SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1822 mode = video->GrabInput(this, mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1823 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1824 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1825 if ( mode != video->input_grab ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1826 video->input_grab = mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1827 if ( video->CheckMouseMode ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1828 video->CheckMouseMode(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1829 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1830 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1831 #ifdef DEBUG_GRAB
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1832 printf("Final mode %d\n", video->input_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1833 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1834
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1835 /* Return the final grab state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1836 if ( mode >= SDL_GRAB_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1837 mode -= SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1838 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1839 return(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1840 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1841 SDL_GrabMode SDL_WM_GrabInput(SDL_GrabMode mode)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1842 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1843 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1844
11
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1845 /* If the video isn't initialized yet, we can't do anything */
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1846 if ( ! video ) {
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1847 return SDL_GRAB_OFF;
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1848 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1849
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1850 /* Return the current mode on query */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1851 if ( mode == SDL_GRAB_QUERY ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1852 mode = video->input_grab;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1853 if ( mode >= SDL_GRAB_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1854 mode -= SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1855 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1856 return(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1857 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1858
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1859 #ifdef DEBUG_GRAB
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1860 printf("SDL_WM_GrabInput(%d) ... ", mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1861 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1862 /* If the video surface is fullscreen, we always grab */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1863 if ( mode >= SDL_GRAB_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1864 mode -= SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1865 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1866 if ( SDL_VideoSurface && (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1867 mode += SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1868 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1869 return(SDL_WM_GrabInputRaw(mode));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1870 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1871 static SDL_GrabMode SDL_WM_GrabInputOff(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1872 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1873 SDL_GrabMode mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1874
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1875 /* First query the current grab state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1876 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1877
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1878 /* Now explicitly turn off input grab */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1879 SDL_WM_GrabInputRaw(SDL_GRAB_OFF);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1880
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1881 /* Return the old state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1882 return(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1883 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1884
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1885 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1886 * Iconify the window in window managed environments.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1887 * A successful iconification will result in an SDL_APPACTIVE loss event.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1888 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1889 int SDL_WM_IconifyWindow(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1890 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1891 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1892 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1893 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1894
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1895 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1896 if ( video->IconifyWindow ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1897 retval = video->IconifyWindow(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1898 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1899 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1900 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1901
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1902 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1903 * Toggle fullscreen mode
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1904 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1905 int SDL_WM_ToggleFullScreen(SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1906 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1907 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1908 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1909 int toggled;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1910
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1911 toggled = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1912 if ( SDL_PublicSurface && (surface == SDL_PublicSurface) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1913 video->ToggleFullScreen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1914 if ( surface->flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1915 toggled = video->ToggleFullScreen(this, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1916 if ( toggled ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1917 SDL_VideoSurface->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1918 SDL_PublicSurface->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1919 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1920 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1921 toggled = video->ToggleFullScreen(this, 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1922 if ( toggled ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1923 SDL_VideoSurface->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1924 SDL_PublicSurface->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1925 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1926 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1927 /* Double-check the grab state inside SDL_WM_GrabInput() */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1928 if ( toggled ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1929 SDL_WM_GrabInput(video->input_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1930 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1931 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1932 return(toggled);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1933 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1934
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1935 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1936 * Get some platform dependent window manager information
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1937 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1938 int SDL_GetWMInfo (SDL_SysWMinfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1939 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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1940 SDL_VideoDevice *video = current_video;
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Sam Lantinga <slouken@lokigames.com>
parents:
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1941 SDL_VideoDevice *this = current_video;
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Sam Lantinga <slouken@lokigames.com>
parents:
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1942
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Sam Lantinga <slouken@lokigames.com>
parents:
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1943 if ( video && video->GetWMInfo ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
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1944 return(video->GetWMInfo(this, info));
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Sam Lantinga <slouken@lokigames.com>
parents:
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1945 } else {
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Sam Lantinga <slouken@lokigames.com>
parents:
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1946 return(0);
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Sam Lantinga <slouken@lokigames.com>
parents:
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1947 }
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Sam Lantinga <slouken@lokigames.com>
parents:
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1948 }