annotate src/video/SDL_video.c @ 1655:59227394023d SDL-1.3

SDL_OPENGLBLIT is really gone...
author Sam Lantinga <slouken@libsdl.org>
date Thu, 27 Apr 2006 05:49:51 +0000
parents 0a53c90a37f9
children 96c2f89cc7e1
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* The high-level video driver subsystem */
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25
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26 #include "SDL.h"
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27 #include "SDL_sysvideo.h"
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28 #include "SDL_blit.h"
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29 #include "SDL_pixels_c.h"
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30 #include "SDL_cursor_c.h"
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31 #include "../events/SDL_sysevents.h"
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32 #include "../events/SDL_events_c.h"
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33
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34 /* Available video drivers */
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35 static VideoBootStrap *bootstrap[] = {
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36 #if SDL_VIDEO_DRIVER_QUARTZ
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37 &QZ_bootstrap,
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38 #endif
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39 #if SDL_VIDEO_DRIVER_X11
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40 &X11_bootstrap,
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41 #endif
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42 #if SDL_VIDEO_DRIVER_DGA
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43 &DGA_bootstrap,
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44 #endif
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45 #if SDL_VIDEO_DRIVER_NANOX
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46 &NX_bootstrap,
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47 #endif
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48 #if SDL_VIDEO_DRIVER_IPOD
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49 &iPod_bootstrap,
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50 #endif
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51 #if SDL_VIDEO_DRIVER_QTOPIA
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52 &Qtopia_bootstrap,
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53 #endif
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54 #if SDL_VIDEO_DRIVER_WSCONS
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55 &WSCONS_bootstrap,
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56 #endif
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57 #if SDL_VIDEO_DRIVER_FBCON
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58 &FBCON_bootstrap,
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59 #endif
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60 #if SDL_VIDEO_DRIVER_DIRECTFB
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61 &DirectFB_bootstrap,
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62 #endif
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63 #if SDL_VIDEO_DRIVER_PS2GS
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64 &PS2GS_bootstrap,
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65 #endif
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66 #if SDL_VIDEO_DRIVER_GGI
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67 &GGI_bootstrap,
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68 #endif
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69 #if SDL_VIDEO_DRIVER_VGL
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70 &VGL_bootstrap,
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71 #endif
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72 #if SDL_VIDEO_DRIVER_SVGALIB
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73 &SVGALIB_bootstrap,
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74 #endif
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75 #if SDL_VIDEO_DRIVER_GAPI
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76 &GAPI_bootstrap,
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77 #endif
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78 #if SDL_VIDEO_DRIVER_WINDIB
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79 &WINDIB_bootstrap,
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80 #endif
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81 #if SDL_VIDEO_DRIVER_DDRAW
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82 &DIRECTX_bootstrap,
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83 #endif
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84 #if SDL_VIDEO_DRIVER_BWINDOW
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85 &BWINDOW_bootstrap,
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86 #endif
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87 #if SDL_VIDEO_DRIVER_TOOLBOX
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88 &TOOLBOX_bootstrap,
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89 #endif
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90 #if SDL_VIDEO_DRIVER_DRAWSPROCKET
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91 &DSp_bootstrap,
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92 #endif
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93 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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94 &CGX_bootstrap,
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95 #endif
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96 #if SDL_VIDEO_DRIVER_PHOTON
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97 &ph_bootstrap,
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98 #endif
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99 #if SDL_VIDEO_DRIVER_EPOC
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100 &EPOC_bootstrap,
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101 #endif
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102 #if SDL_VIDEO_DRIVER_XBIOS
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103 &XBIOS_bootstrap,
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104 #endif
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105 #if SDL_VIDEO_DRIVER_GEM
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106 &GEM_bootstrap,
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107 #endif
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108 #if SDL_VIDEO_DRIVER_PICOGUI
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109 &PG_bootstrap,
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110 #endif
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111 #if SDL_VIDEO_DRIVER_DC
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112 &DC_bootstrap,
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113 #endif
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114 #if SDL_VIDEO_DRIVER_RISCOS
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115 &RISCOS_bootstrap,
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116 #endif
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117 #if SDL_VIDEO_DRIVER_OS2FS
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118 &OS2FSLib_bootstrap,
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119 #endif
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120 #if SDL_VIDEO_DRIVER_AALIB
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121 &AALIB_bootstrap,
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122 #endif
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123 #if SDL_VIDEO_DRIVER_DUMMY
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124 &DUMMY_bootstrap,
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125 #endif
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126 NULL
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127 };
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128
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129 SDL_VideoDevice *current_video = NULL;
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130
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131 /* Various local functions */
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132 int SDL_VideoInit(const char *driver_name, Uint32 flags);
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133 void SDL_VideoQuit(void);
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134
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135 static SDL_GrabMode SDL_WM_GrabInputOff(void);
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136
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137
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138 /*
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139 * Initialize the video and event subsystems -- determine native pixel format
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140 */
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141 int SDL_VideoInit (const char *driver_name, Uint32 flags)
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142 {
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143 SDL_VideoDevice *video;
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144 int index;
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145 int i;
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diff changeset
146 SDL_PixelFormat vformat;
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147 Uint32 video_flags;
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148
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diff changeset
149 /* Toggle the event thread flags, based on OS requirements */
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parents:
diff changeset
150 #if defined(MUST_THREAD_EVENTS)
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diff changeset
151 flags |= SDL_INIT_EVENTTHREAD;
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parents:
diff changeset
152 #elif defined(CANT_THREAD_EVENTS)
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153 if ( (flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD ) {
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parents:
diff changeset
154 SDL_SetError("OS doesn't support threaded events");
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diff changeset
155 return(-1);
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parents:
diff changeset
156 }
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diff changeset
157 #endif
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158
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diff changeset
159 /* Check to make sure we don't overwrite 'current_video' */
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parents:
diff changeset
160 if ( current_video != NULL ) {
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parents:
diff changeset
161 SDL_VideoQuit();
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162 }
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diff changeset
163
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parents:
diff changeset
164 /* Select the proper video driver */
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165 index = 0;
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diff changeset
166 video = NULL;
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diff changeset
167 if ( driver_name != NULL ) {
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diff changeset
168 #if 0 /* This will be replaced with a better driver selection API */
1336
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parents: 1330
diff changeset
169 if ( SDL_strrchr(driver_name, ':') != NULL ) {
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1330
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170 index = atoi(SDL_strrchr(driver_name, ':')+1);
0
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171 }
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diff changeset
172 #endif
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173 for ( i=0; bootstrap[i]; ++i ) {
1336
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diff changeset
174 if ( SDL_strncmp(bootstrap[i]->name, driver_name,
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1330
diff changeset
175 SDL_strlen(bootstrap[i]->name)) == 0 ) {
0
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diff changeset
176 if ( bootstrap[i]->available() ) {
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diff changeset
177 video = bootstrap[i]->create(index);
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178 break;
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diff changeset
179 }
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180 }
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181 }
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diff changeset
182 } else {
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183 for ( i=0; bootstrap[i]; ++i ) {
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184 if ( bootstrap[i]->available() ) {
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185 video = bootstrap[i]->create(index);
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diff changeset
186 if ( video != NULL ) {
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187 break;
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diff changeset
188 }
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189 }
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diff changeset
190 }
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diff changeset
191 }
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diff changeset
192 if ( video == NULL ) {
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193 SDL_SetError("No available video device");
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194 return(-1);
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parents:
diff changeset
195 }
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196 current_video = video;
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diff changeset
197 current_video->name = bootstrap[i]->name;
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198
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199 /* Do some basic variable initialization */
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200 video->screen = NULL;
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diff changeset
201 video->shadow = NULL;
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diff changeset
202 video->visible = NULL;
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diff changeset
203 video->physpal = NULL;
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diff changeset
204 video->gammacols = NULL;
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diff changeset
205 video->gamma = NULL;
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diff changeset
206 video->wm_title = NULL;
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diff changeset
207 video->wm_icon = NULL;
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diff changeset
208 video->offset_x = 0;
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diff changeset
209 video->offset_y = 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1330
diff changeset
210 SDL_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
211
68f607298ca9 Some work on using accelerated alpha blits with hardware surfaces.
Ryan C. Gordon <icculus@icculus.org>
parents: 1032
diff changeset
212 video->displayformatalphapixel = NULL;
0
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parents:
diff changeset
213
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diff changeset
214 /* Set some very sane GL defaults */
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diff changeset
215 video->gl_config.driver_loaded = 0;
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diff changeset
216 video->gl_config.dll_handle = NULL;
1385
85d8b5fdd9f6 Fixed defaults for 8 bpp visuals
Sam Lantinga <slouken@libsdl.org>
parents: 1379
diff changeset
217 video->gl_config.red_size = 3;
85d8b5fdd9f6 Fixed defaults for 8 bpp visuals
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parents: 1379
diff changeset
218 video->gl_config.green_size = 3;
85d8b5fdd9f6 Fixed defaults for 8 bpp visuals
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diff changeset
219 video->gl_config.blue_size = 2;
0
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diff changeset
220 video->gl_config.alpha_size = 0;
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diff changeset
221 video->gl_config.buffer_size = 0;
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diff changeset
222 video->gl_config.depth_size = 16;
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diff changeset
223 video->gl_config.stencil_size = 0;
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diff changeset
224 video->gl_config.double_buffer = 1;
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diff changeset
225 video->gl_config.accum_red_size = 0;
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diff changeset
226 video->gl_config.accum_green_size = 0;
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diff changeset
227 video->gl_config.accum_blue_size = 0;
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diff changeset
228 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
229 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
230 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
231 video->gl_config.multisamplesamples = 0;
0
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parents:
diff changeset
232
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233 /* Initialize the video subsystem */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1330
diff changeset
234 SDL_memset(&vformat, 0, sizeof(vformat));
0
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parents:
diff changeset
235 if ( video->VideoInit(video, &vformat) < 0 ) {
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parents:
diff changeset
236 SDL_VideoQuit();
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parents:
diff changeset
237 return(-1);
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parents:
diff changeset
238 }
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parents:
diff changeset
239
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parents:
diff changeset
240 /* Create a zero sized video surface of the appropriate format */
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parents:
diff changeset
241 video_flags = SDL_SWSURFACE;
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parents:
diff changeset
242 SDL_VideoSurface = SDL_CreateRGBSurface(video_flags, 0, 0,
74212992fb08 Initial revision
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parents:
diff changeset
243 vformat.BitsPerPixel,
74212992fb08 Initial revision
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parents:
diff changeset
244 vformat.Rmask, vformat.Gmask, vformat.Bmask, 0);
74212992fb08 Initial revision
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parents:
diff changeset
245 if ( SDL_VideoSurface == NULL ) {
74212992fb08 Initial revision
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parents:
diff changeset
246 SDL_VideoQuit();
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parents:
diff changeset
247 return(-1);
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parents:
diff changeset
248 }
74212992fb08 Initial revision
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diff changeset
249 SDL_PublicSurface = NULL; /* Until SDL_SetVideoMode() */
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parents:
diff changeset
250
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parents:
diff changeset
251 #if 0 /* Don't change the current palette - may be used by other programs.
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parents:
diff changeset
252 * The application can't do anything with the display surface until
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parents:
diff changeset
253 * a video mode has been set anyway. :)
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parents:
diff changeset
254 */
74212992fb08 Initial revision
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parents:
diff changeset
255 /* If we have a palettized surface, create a default palette */
74212992fb08 Initial revision
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parents:
diff changeset
256 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
257 SDL_PixelFormat *vf = SDL_VideoSurface->format;
0
74212992fb08 Initial revision
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parents:
diff changeset
258 SDL_DitherColors(vf->palette->colors, vf->BitsPerPixel);
74212992fb08 Initial revision
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parents:
diff changeset
259 video->SetColors(video,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 0, vf->palette->ncolors, vf->palette->colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262 #endif
74212992fb08 Initial revision
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parents:
diff changeset
263 video->info.vfmt = SDL_VideoSurface->format;
74212992fb08 Initial revision
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parents:
diff changeset
264
74212992fb08 Initial revision
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parents:
diff changeset
265 /* Start the event loop */
74212992fb08 Initial revision
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parents:
diff changeset
266 if ( SDL_StartEventLoop(flags) < 0 ) {
74212992fb08 Initial revision
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parents:
diff changeset
267 SDL_VideoQuit();
74212992fb08 Initial revision
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parents:
diff changeset
268 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 }
74212992fb08 Initial revision
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parents:
diff changeset
270 SDL_CursorInit(flags & SDL_INIT_EVENTTHREAD);
74212992fb08 Initial revision
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parents:
diff changeset
271
74212992fb08 Initial revision
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parents:
diff changeset
272 /* We're ready to go! */
74212992fb08 Initial revision
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parents:
diff changeset
273 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 }
74212992fb08 Initial revision
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parents:
diff changeset
275
74212992fb08 Initial revision
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parents:
diff changeset
276 char *SDL_VideoDriverName(char *namebuf, int maxlen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
277 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 if ( current_video != NULL ) {
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
279 SDL_strlcpy(namebuf, current_video->name, maxlen);
0
74212992fb08 Initial revision
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parents:
diff changeset
280 return(namebuf);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
281 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
282 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
283 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
284
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
285 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
286 * Get the current display surface
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288 SDL_Surface *SDL_GetVideoSurface(void)
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_Surface *visible;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
291
74212992fb08 Initial revision
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parents:
diff changeset
292 visible = NULL;
74212992fb08 Initial revision
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parents:
diff changeset
293 if ( current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
294 visible = current_video->visible;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
295 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
296 return(visible);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
297 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
298
74212992fb08 Initial revision
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parents:
diff changeset
299 /*
74212992fb08 Initial revision
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parents:
diff changeset
300 * Get the current information about the video hardware
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 const SDL_VideoInfo *SDL_GetVideoInfo(void)
74212992fb08 Initial revision
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parents:
diff changeset
303 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 const SDL_VideoInfo *info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306 info = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 if ( current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308 info = &current_video->info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 return(info);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 }
74212992fb08 Initial revision
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312
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parents:
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313 /*
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parents:
diff changeset
314 * Return a pointer to an array of available screen dimensions for the
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parents:
diff changeset
315 * given format, sorted largest to smallest. Returns NULL if there are
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parents:
diff changeset
316 * no dimensions available for a particular format, or (SDL_Rect **)-1
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parents:
diff changeset
317 * if any dimension is okay for the given format. If 'format' is NULL,
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diff changeset
318 * the mode list will be for the format given by SDL_GetVideoInfo()->vfmt
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diff changeset
319 */
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diff changeset
320 SDL_Rect ** SDL_ListModes (SDL_PixelFormat *format, Uint32 flags)
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diff changeset
321 {
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diff changeset
322 SDL_VideoDevice *video = current_video;
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diff changeset
323 SDL_VideoDevice *this = current_video;
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diff changeset
324 SDL_Rect **modes;
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parents:
diff changeset
325
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diff changeset
326 modes = NULL;
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parents:
diff changeset
327 if ( SDL_VideoSurface ) {
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parents:
diff changeset
328 if ( format == NULL ) {
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diff changeset
329 format = SDL_VideoSurface->format;
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diff changeset
330 }
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parents:
diff changeset
331 modes = video->ListModes(this, format, flags);
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parents:
diff changeset
332 }
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parents:
diff changeset
333 return(modes);
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parents:
diff changeset
334 }
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parents:
diff changeset
335
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parents:
diff changeset
336 /*
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parents:
diff changeset
337 * Check to see if a particular video mode is supported.
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parents:
diff changeset
338 * It returns 0 if the requested mode is not supported under any bit depth,
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parents:
diff changeset
339 * or returns the bits-per-pixel of the closest available mode with the
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parents:
diff changeset
340 * given width and height. If this bits-per-pixel is different from the
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parents:
diff changeset
341 * one used when setting the video mode, SDL_SetVideoMode() will succeed,
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parents:
diff changeset
342 * but will emulate the requested bits-per-pixel with a shadow surface.
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parents:
diff changeset
343 */
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344 static Uint8 SDL_closest_depths[4][8] = {
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parents:
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345 /* 8 bit closest depth ordering */
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parents:
diff changeset
346 { 0, 8, 16, 15, 32, 24, 0, 0 },
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parents:
diff changeset
347 /* 15,16 bit closest depth ordering */
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parents:
diff changeset
348 { 0, 16, 15, 32, 24, 8, 0, 0 },
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parents:
diff changeset
349 /* 24 bit closest depth ordering */
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parents:
diff changeset
350 { 0, 24, 32, 16, 15, 8, 0, 0 },
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parents:
diff changeset
351 /* 32 bit closest depth ordering */
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parents:
diff changeset
352 { 0, 32, 16, 15, 24, 8, 0, 0 }
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parents:
diff changeset
353 };
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parents:
diff changeset
354
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
355
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1385
diff changeset
356 #ifdef __MACOS__ /* MPW optimization bug? */
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
357 #define NEGATIVE_ONE 0xFFFFFFFF
dddfc37e1f65 Don't allow video modes larger than the maximum size
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diff changeset
358 #else
dddfc37e1f65 Don't allow video modes larger than the maximum size
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diff changeset
359 #define NEGATIVE_ONE -1
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
360 #endif
dddfc37e1f65 Don't allow video modes larger than the maximum size
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parents: 769
diff changeset
361
dddfc37e1f65 Don't allow video modes larger than the maximum size
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parents: 769
diff changeset
362 int SDL_VideoModeOK (int width, int height, int bpp, Uint32 flags)
0
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parents:
diff changeset
363 {
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parents:
diff changeset
364 int table, b, i;
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parents:
diff changeset
365 int supported;
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parents:
diff changeset
366 SDL_PixelFormat format;
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parents:
diff changeset
367 SDL_Rect **sizes;
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parents:
diff changeset
368
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parents:
diff changeset
369 /* Currently 1 and 4 bpp are not supported */
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parents:
diff changeset
370 if ( bpp < 8 || bpp > 32 ) {
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parents:
diff changeset
371 return(0);
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parents:
diff changeset
372 }
456
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
373 if ( (width <= 0) || (height <= 0) ) {
0
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parents:
diff changeset
374 return(0);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376
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parents:
diff changeset
377 /* Search through the list valid of modes */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
378 SDL_memset(&format, 0, sizeof(format));
0
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parents:
diff changeset
379 supported = 0;
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parents:
diff changeset
380 table = ((bpp+7)/8)-1;
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parents:
diff changeset
381 SDL_closest_depths[table][0] = bpp;
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parents:
diff changeset
382 SDL_closest_depths[table][7] = 0;
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parents:
diff changeset
383 for ( b = 0; !supported && SDL_closest_depths[table][b]; ++b ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 format.BitsPerPixel = SDL_closest_depths[table][b];
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 sizes = SDL_ListModes(&format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 if ( sizes == (SDL_Rect **)0 ) {
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parents:
diff changeset
387 /* No sizes supported at this bit-depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 continue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 } else
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
390 if (sizes == (SDL_Rect **)NEGATIVE_ONE) {
0
74212992fb08 Initial revision
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parents:
diff changeset
391 /* Any size supported at this bit-depth */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 supported = 1;
74212992fb08 Initial revision
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parents:
diff changeset
393 continue;
853
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
394 } 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
395 /* 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
396 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
397 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
398 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
399 break;
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
400 }
dddfc37e1f65 Don't allow video modes larger than the maximum size
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
401 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 for ( i=0; sizes[i]; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 if ((sizes[i]->w == width) && (sizes[i]->h == height)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 supported = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 if ( supported ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 --b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 return(SDL_closest_depths[table][b]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 * Get the closest non-emulated video mode to the one requested
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 static int SDL_GetVideoMode (int *w, int *h, int *BitsPerPixel, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 int table, b, i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 int supported;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 int native_bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 SDL_PixelFormat format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 SDL_Rect **sizes;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428
456
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
429 /* Check parameters */
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
430 if ( *BitsPerPixel < 8 || *BitsPerPixel > 32 ) {
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
431 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
432 return(0);
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
433 }
430
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
434 if ((*w <= 0) || (*h <= 0)) {
456
b4e14b15af3c Fixed crash with invalid bpp in SDL_SetVideoMode()
Sam Lantinga <slouken@libsdl.org>
parents: 450
diff changeset
435 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
436 return(0);
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
437 }
60effdbf14ee Make sure width and height passed to SDL_GetVideoMode() are sane.
Ryan C. Gordon <icculus@icculus.org>
parents: 423
diff changeset
438
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 /* Try the original video mode, get the closest depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 native_bpp = SDL_VideoModeOK(*w, *h, *BitsPerPixel, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 if ( native_bpp == *BitsPerPixel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 if ( native_bpp > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 *BitsPerPixel = native_bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449 /* No exact size match at any depth, look for closest match */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
450 SDL_memset(&format, 0, sizeof(format));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451 supported = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 table = ((*BitsPerPixel+7)/8)-1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 SDL_closest_depths[table][0] = *BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 SDL_closest_depths[table][7] = SDL_VideoSurface->format->BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 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
456 int best;
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
457
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 format.BitsPerPixel = SDL_closest_depths[table][b];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 sizes = SDL_ListModes(&format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460 if ( sizes == (SDL_Rect **)0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 /* No sizes supported at this bit-depth */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 continue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 }
1076
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
464 best=0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 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
466 /* 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
467 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
468 /* 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
469 if ((sizes[i]->w <= sizes[best]->w) || (sizes[i]->h <= sizes[best]->h)) {
1257
448a9a64537b [PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents: 1254
diff changeset
470 /* Now choose the mode that has less pixels */
1266
a7bea6db3c3e SDL_GetVideoMode, part 3: pixel count compare was failing when only 1 video mode was present
Patrice Mandin <patmandin@gmail.com>
parents: 1257
diff changeset
471 if ((sizes[i]->w * sizes[i]->h) <= (sizes[best]->w * sizes[best]->h)) {
1257
448a9a64537b [PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents: 1254
diff changeset
472 best=i;
448a9a64537b [PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents: 1254
diff changeset
473 supported = 1;
448a9a64537b [PATCH] SDL_GetVideoMode() does not find best mode, part 2
Patrice Mandin <patmandin@gmail.com>
parents: 1254
diff changeset
474 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 }
1076
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
478 if (supported) {
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
479 *w=sizes[best]->w;
8d3b95ece376 [PATCH] SDL_GetVideoMode() do not find the best video mode
Patrice Mandin <patmandin@gmail.com>
parents: 1052
diff changeset
480 *h=sizes[best]->h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481 *BitsPerPixel = SDL_closest_depths[table][b];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 if ( ! supported ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 SDL_SetError("No video mode large enough for %dx%d", *w, *h);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 return(supported);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490 /* This should probably go somewhere else -- like SDL_surface.c */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 static void SDL_ClearSurface(SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493 Uint32 black;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 black = SDL_MapRGB(surface->format, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 SDL_FillRect(surface, NULL, black);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
497 if ((surface->flags&SDL_HWSURFACE) && (surface->flags&SDL_DOUBLEBUF)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 SDL_Flip(surface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 SDL_FillRect(surface, NULL, black);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 SDL_Flip(surface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 * Create a shadow surface suitable for fooling the app. :-)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 static void SDL_CreateShadowSurface(int depth)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 Uint32 Rmask, Gmask, Bmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 /* Allocate the shadow surface */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 if ( depth == (SDL_VideoSurface->format)->BitsPerPixel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 Rmask = (SDL_VideoSurface->format)->Rmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 Gmask = (SDL_VideoSurface->format)->Gmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 Bmask = (SDL_VideoSurface->format)->Bmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 Rmask = Gmask = Bmask = 0;
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_ShadowSurface = SDL_CreateRGBSurface(SDL_SWSURFACE,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 SDL_VideoSurface->w, SDL_VideoSurface->h,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521 depth, Rmask, Gmask, Bmask, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 if ( SDL_ShadowSurface == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 /* 8-bit shadow surfaces report that they have exclusive palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 if ( SDL_ShadowSurface->format->palette ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528 SDL_ShadowSurface->flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 if ( depth == (SDL_VideoSurface->format)->BitsPerPixel ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
530 SDL_memcpy(SDL_ShadowSurface->format->palette->colors,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531 SDL_VideoSurface->format->palette->colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 SDL_VideoSurface->format->palette->ncolors*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 sizeof(SDL_Color));
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 SDL_DitherColors(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 SDL_ShadowSurface->format->palette->colors, depth);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 /* If the video surface is resizable, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541 if ( (SDL_VideoSurface->flags & SDL_RESIZABLE) == SDL_RESIZABLE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 SDL_ShadowSurface->flags |= SDL_RESIZABLE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 /* If the video surface has no frame, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 if ( (SDL_VideoSurface->flags & SDL_NOFRAME) == SDL_NOFRAME ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546 SDL_ShadowSurface->flags |= SDL_NOFRAME;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 /* If the video surface is fullscreen, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 if ( (SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 SDL_ShadowSurface->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 /* If the video surface is flippable, the shadow should say so */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 if ( (SDL_VideoSurface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554 SDL_ShadowSurface->flags |= SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
558
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
559 #ifdef __QNXNTO__
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
560 #include <sys/neutrino.h>
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
561 #endif /* __QNXNTO__ */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
562
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 * Set the requested video mode, allocating a shadow buffer if necessary.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 SDL_Surface * SDL_SetVideoMode (int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 SDL_VideoDevice *video, *this;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
569 SDL_Surface *prev_mode, *mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 int video_w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 int video_h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 int video_bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 int is_opengl;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 SDL_GrabMode saved_grab;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575
1654
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
576 /* Handle obsolete flags */
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
577 if ( (flags & SDL_OPENGLBLIT_OBSOLETE) == SDL_OPENGLBLIT_OBSOLETE ) {
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
578 SDL_SetError("SDL_OPENGLBLIT is no longer supported");
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
579 return(NULL);
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
580 }
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
581
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 /* Start up the video driver, if necessary..
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 WARNING: This is the only function protected this way!
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 if ( ! current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
586 if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_NOPARACHUTE) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 this = video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
592 /* Default to the current width and height */
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
593 if ( width == 0 ) {
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
594 width = video->info.current_w;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
595 }
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
596 if ( height == 0 ) {
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
597 height = video->info.current_h;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
598 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 /* Default to the current video bpp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
600 if ( bpp == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
601 flags |= SDL_ANYFORMAT;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
602 bpp = SDL_VideoSurface->format->BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
603 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
604
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
605 /* Get a good video mode, the closest one possible */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606 video_w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
607 video_h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
608 video_bpp = bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
609 if ( ! SDL_GetVideoMode(&video_w, &video_h, &video_bpp, flags) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
610 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
611 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
612
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
613 /* Check the requested flags */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
614 /* There's no palette in > 8 bits-per-pixel mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
615 if ( video_bpp > 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
616 flags &= ~SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
617 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
618 #if 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
619 if ( (flags&SDL_FULLSCREEN) != SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
620 /* There's no windowed double-buffering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
621 flags &= ~SDL_DOUBLEBUF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
622 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
623 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
624 if ( (flags&SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
625 /* Use hardware surfaces when double-buffering */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
626 flags |= SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
627 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
628
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
629 is_opengl = ( ( flags & SDL_OPENGL ) == SDL_OPENGL );
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
630 if ( is_opengl ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
631 /* These flags are for 2D video modes only */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
632 flags &= ~(SDL_HWSURFACE|SDL_DOUBLEBUF);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
633 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
634
14
c3e9d4a623c1 Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents: 11
diff changeset
635 /* 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
636 SDL_ResetKeyboard();
460
a888b3ae31ff Reset mouse state when changing video modes
Sam Lantinga <slouken@libsdl.org>
parents: 456
diff changeset
637 SDL_ResetMouse();
1296
f418917e0b7a Fixed crash:
Sam Lantinga <slouken@libsdl.org>
parents: 1266
diff changeset
638 SDL_cursorstate &= ~CURSOR_USINGSW;
14
c3e9d4a623c1 Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents: 11
diff changeset
639
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
640 /* Clean up any previous video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
641 if ( SDL_PublicSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
642 SDL_PublicSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
643 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
644 if ( SDL_ShadowSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
645 SDL_Surface *ready_to_go;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
646 ready_to_go = SDL_ShadowSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
647 SDL_ShadowSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
648 SDL_FreeSurface(ready_to_go);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
649 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
650 if ( video->physpal ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
651 SDL_free(video->physpal->colors);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
652 SDL_free(video->physpal);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
653 video->physpal = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
654 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
655 if( video->gammacols) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
656 SDL_free(video->gammacols);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
657 video->gammacols = 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
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
660 /* Save the previous grab state and turn off grab for mode switch */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
661 saved_grab = SDL_WM_GrabInputOff();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663 /* Try to set the video mode, along with offset and clipping */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 prev_mode = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
665 SDL_LockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
666 SDL_VideoSurface = NULL; /* In case it's freed by driver */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
667 mode = video->SetVideoMode(this, prev_mode,video_w,video_h,video_bpp,flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
668 if ( mode ) { /* Prevent resize events from mode change */
1190
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
diff changeset
669 /* But not on OS/2 */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
diff changeset
670 #ifndef __OS2__
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
671 SDL_PrivateResize(mode->w, mode->h);
1190
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
diff changeset
672 #endif
229
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
673
4d24d5a660a8 Fix a crash if an OpenGL video mode can't be set.
Sam Lantinga <slouken@libsdl.org>
parents: 216
diff changeset
674 /* 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
675 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
676 mode = NULL;
883
50f5a29c6a17 Date: Sat, 10 Apr 2004 02:25:33 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 853
diff changeset
677 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
678 }
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
679 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
680 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 * rcg11292000
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
682 * 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
683 * matching visual, then the next call to SDL_SetVideoMode()
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684 * will segfault, since we no longer point to a dummy surface,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 * but rather NULL.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
686 * Sam 11/29/00
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
687 * WARNING, we need to make sure that the previous mode hasn't
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
688 * already been freed by the video driver. What do we do in
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
689 * that case? Should we call SDL_VideoInit() again?
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
690 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
691 SDL_VideoSurface = (mode != NULL) ? mode : prev_mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
692
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
693 if ( (mode != NULL) && (!is_opengl) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
694 /* Sanity check */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
695 if ( (mode->w < width) || (mode->h < height) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696 SDL_SetError("Video mode smaller than requested");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
698 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
699
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700 /* If we have a palettized surface, create a default palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701 if ( mode->format->palette ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
702 SDL_PixelFormat *vf = mode->format;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 SDL_DitherColors(vf->palette->colors, vf->BitsPerPixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 video->SetColors(this, 0, vf->palette->ncolors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705 vf->palette->colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
706 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708 /* Clear the surface to black */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 video->offset_x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
710 video->offset_y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
711 mode->offset = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
712 SDL_SetClipRect(mode, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
713 SDL_ClearSurface(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
714
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
715 /* Now adjust the offsets to match the desired mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 video->offset_x = (mode->w-width)/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 video->offset_y = (mode->h-height)/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718 mode->offset = video->offset_y*mode->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 video->offset_x*mode->format->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 #ifdef DEBUG_VIDEO
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 "Requested mode: %dx%dx%d, obtained mode %dx%dx%d (offset %d)\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723 width, height, bpp,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 mode->w, mode->h, mode->format->BitsPerPixel, mode->offset);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
725 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
726 mode->w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727 mode->h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 SDL_SetClipRect(mode, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 SDL_ResetCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
731 SDL_UnlockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 /* If we failed setting a video mode, return NULL... (Uh Oh!) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 if ( mode == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
738 /* If there is no window manager, set the SDL_NOFRAME flag */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
739 if ( ! video->info.wm_available ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
740 mode->flags |= SDL_NOFRAME;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
741 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
742
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
743 /* Reset the mouse cursor and grab for new video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
744 SDL_SetCursor(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
745 if ( video->UpdateMouse ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
746 video->UpdateMouse(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
748 SDL_WM_GrabInput(saved_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
749 SDL_GetRelativeMouseState(NULL, NULL); /* Clear first large delta */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
750
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
751 #if SDL_VIDEO_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
752 /* Load GL symbols (before MakeCurrent, where we need glGetString). */
1654
0a53c90a37f9 Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
753 if ( flags & SDL_OPENGL ) {
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
754
1032
c1c2efca4548 Date: Mon, 24 Jan 2005 21:37:56 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 989
diff changeset
755 #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
756 #define __SDL_NOGETPROCADDR__
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 944
diff changeset
757 #elif defined(__MINT__)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 944
diff changeset
758 #define __SDL_NOGETPROCADDR__
916
46916168361d Date: Sun, 25 Jul 2004 23:10:03 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 910
diff changeset
759 #endif
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
760 #ifdef __SDL_NOGETPROCADDR__
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
761 #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
762 #else
910
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
763 #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
764 do { \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
765 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
766 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
767 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
768 return(NULL); \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
769 } \
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
770 } while ( 0 );
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
771
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
772 #endif /* __SDL_NOGETPROCADDR__ */
4ab6d1fd028f Date: Sat, 26 Jun 2004 14:58:42 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 883
diff changeset
773
650
fe445b59d307 We need to lookup the address of glGetString before calling GL_MakeCurrent(),
Ryan C. Gordon <icculus@icculus.org>
parents: 630
diff changeset
774 #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
775 #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
776 }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
777 #endif /* SDL_VIDEO_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
778
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
779 /* If we're running OpenGL, make the context current */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
780 if ( (video->screen->flags & SDL_OPENGL) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
781 video->GL_MakeCurrent ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
782 if ( video->GL_MakeCurrent(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
783 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
784 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
785 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
786
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
787 /* Create a shadow surface if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
788 /* There are three conditions under which we create a shadow surface:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
789 1. We need a particular bits-per-pixel that we didn't get.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
790 2. We need a hardware palette and didn't get one.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
791 3. We need a software surface and got a hardware surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
792 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
793 if ( !(SDL_VideoSurface->flags & SDL_OPENGL) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
794 (
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
795 ( !(flags&SDL_ANYFORMAT) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
796 (SDL_VideoSurface->format->BitsPerPixel != bpp)) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
797 ( (flags&SDL_HWPALETTE) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
798 !(SDL_VideoSurface->flags&SDL_HWPALETTE)) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
799 /* If the surface is in hardware, video writes are visible
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
800 as soon as they are performed, so we need to buffer them
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
801 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
802 ( ((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
803 (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
804 ( (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
805 (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
806 !(SDL_VideoSurface->flags&SDL_DOUBLEBUF))
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
807 ) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
808 SDL_CreateShadowSurface(bpp);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
809 if ( SDL_ShadowSurface == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
810 SDL_SetError("Couldn't create shadow surface");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
811 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
812 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
813 SDL_PublicSurface = SDL_ShadowSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
814 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
815 SDL_PublicSurface = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
816 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
817 video->info.vfmt = SDL_VideoSurface->format;
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
818 video->info.current_w = SDL_VideoSurface->w;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1491
diff changeset
819 video->info.current_h = SDL_VideoSurface->h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
820
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
821 /* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
822 return(SDL_PublicSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
823 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
824
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
825 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
826 * Convert a surface into the video pixel format.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
827 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
828 SDL_Surface * SDL_DisplayFormat (SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
829 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
830 Uint32 flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
831
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
832 if ( ! SDL_PublicSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
833 SDL_SetError("No video mode has been set");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
834 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
835 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
836 /* Set the flags appropriate for copying to display surface */
313
67ad846ed21c *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 306
diff changeset
837 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
838 flags = SDL_HWSURFACE;
3879bed3395c Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
839 else
3879bed3395c Only put surfaces in video memory if there are accelerated blits
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
840 flags = SDL_SWSURFACE;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
841 #ifdef AUTORLE_DISPLAYFORMAT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
842 flags |= (surface->flags & (SDL_SRCCOLORKEY|SDL_SRCALPHA));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
843 flags |= SDL_RLEACCELOK;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
844 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
845 flags |= surface->flags & (SDL_SRCCOLORKEY|SDL_SRCALPHA|SDL_RLEACCELOK);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
846 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
847 return(SDL_ConvertSurface(surface, SDL_PublicSurface->format, flags));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
848 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
849
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
850 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
851 * Convert a surface into a format that's suitable for blitting to
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
852 * the screen, but including an alpha channel.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
853 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
854 SDL_Surface *SDL_DisplayFormatAlpha(SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
855 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
856 SDL_PixelFormat *vf;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
857 SDL_PixelFormat *format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
858 SDL_Surface *converted;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
859 Uint32 flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
860 /* default to ARGB8888 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
861 Uint32 amask = 0xff000000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
862 Uint32 rmask = 0x00ff0000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
863 Uint32 gmask = 0x0000ff00;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
864 Uint32 bmask = 0x000000ff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
865
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
866 if ( ! SDL_PublicSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
867 SDL_SetError("No video mode has been set");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
868 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
869 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
870 vf = SDL_PublicSurface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
871
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
872 switch(vf->BytesPerPixel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
873 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
874 /* For XGY5[56]5, use, AXGY8888, where {X, Y} = {R, B}.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
875 For anything else (like ARGB4444) it doesn't matter
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
876 since we have no special code for it anyway */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
877 if ( (vf->Rmask == 0x1f) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
878 (vf->Bmask == 0xf800 || vf->Bmask == 0x7c00)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
879 rmask = 0xff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
880 bmask = 0xff0000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
881 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
882 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
883
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
884 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
885 case 4:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
886 /* Keep the video format, as long as the high 8 bits are
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
887 unused or alpha */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
888 if ( (vf->Rmask == 0xff) && (vf->Bmask == 0xff0000) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
889 rmask = 0xff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
890 bmask = 0xff0000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
891 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
892 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
893
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
894 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
895 /* We have no other optimised formats right now. When/if a new
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
896 optimised alpha format is written, add the converter here */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
898 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
899 format = SDL_AllocFormat(32, rmask, gmask, bmask, amask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 flags = SDL_PublicSurface->flags & SDL_HWSURFACE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
901 flags |= surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
902 converted = SDL_ConvertSurface(surface, format, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
903 SDL_FreeFormat(format);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
904 return(converted);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
905 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
906
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
907 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
908 * Update a specific portion of the physical screen
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
909 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
910 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
911 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
912 if ( screen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
913 SDL_Rect rect;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
914
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
915 /* Perform some checking */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
916 if ( w == 0 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
917 w = screen->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
918 if ( h == 0 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
919 h = screen->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
920 if ( (int)(x+w) > screen->w )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
921 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
922 if ( (int)(y+h) > screen->h )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
923 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
924
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
925 /* Fill the rectangle */
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
926 rect.x = (Sint16)x;
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
927 rect.y = (Sint16)y;
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
928 rect.w = (Uint16)w;
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
929 rect.h = (Uint16)h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
930 SDL_UpdateRects(screen, 1, &rect);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
931 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
932 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
933 void SDL_UpdateRects (SDL_Surface *screen, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
934 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
935 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
936 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
937 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
938
1655
59227394023d SDL_OPENGLBLIT is really gone...
Sam Lantinga <slouken@libsdl.org>
parents: 1654
diff changeset
939 if ( screen->flags & SDL_OPENGL ) {
1491
cf23b92602aa Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
940 SDL_SetError("OpenGL active, use SDL_GL_SwapBuffers()");
cf23b92602aa Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
941 return;
cf23b92602aa Don't crash if SDL_Flip() is called with an OpenGL mode set
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
942 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
943 if ( screen == SDL_ShadowSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
944 /* 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
945 SDL_Palette *pal = screen->format->palette;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
946 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
947 if ( pal && !(SDL_VideoSurface->flags & SDL_HWPALETTE) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
948 /* simulated 8bpp, use correct physical palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
949 saved_colors = pal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
950 if ( video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
951 /* gamma-corrected palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
952 pal->colors = video->gammacols;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
953 } else if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
954 /* physical palette different from logical */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
955 pal->colors = video->physpal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
956 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
957 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
958 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
959 SDL_LockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
960 SDL_DrawCursor(SDL_ShadowSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
961 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
962 SDL_LowerBlit(SDL_ShadowSurface, &rects[i],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
963 SDL_VideoSurface, &rects[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
964 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
965 SDL_EraseCursor(SDL_ShadowSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
966 SDL_UnlockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
967 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
968 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
969 SDL_LowerBlit(SDL_ShadowSurface, &rects[i],
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
970 SDL_VideoSurface, &rects[i]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
971 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
972 }
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
973 if ( saved_colors ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
974 pal->colors = saved_colors;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
975 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
976
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
977 /* Fall through to video surface update */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
978 screen = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
979 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
980 if ( screen == SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
981 /* Update the video surface */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
982 if ( screen->offset ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
983 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
984 rects[i].x += video->offset_x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
985 rects[i].y += video->offset_y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
986 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
987 video->UpdateRects(this, numrects, rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
988 for ( i=0; i<numrects; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
989 rects[i].x -= video->offset_x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
990 rects[i].y -= video->offset_y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
991 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
992 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
993 video->UpdateRects(this, numrects, rects);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
994 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
995 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
996 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
997
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
998 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
999 * Performs hardware double buffering, if possible, or a full update if not.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1000 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1001 int SDL_Flip(SDL_Surface *screen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1002 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1003 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1004 /* Copy the shadow surface to the video surface */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1005 if ( screen == SDL_ShadowSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1006 SDL_Rect rect;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1007 SDL_Palette *pal = screen->format->palette;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1008 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
1009 if ( pal && !(SDL_VideoSurface->flags & SDL_HWPALETTE) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1010 /* simulated 8bpp, use correct physical palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1011 saved_colors = pal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1012 if ( video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1013 /* gamma-corrected palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1014 pal->colors = video->gammacols;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1015 } else if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1016 /* physical palette different from logical */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 pal->colors = video->physpal->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1018 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1019 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1020
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1021 rect.x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1022 rect.y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1023 rect.w = screen->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1024 rect.h = screen->h;
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1025 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) {
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1026 SDL_LockCursor();
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1027 SDL_DrawCursor(SDL_ShadowSurface);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1028 SDL_LowerBlit(SDL_ShadowSurface, &rect,
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1029 SDL_VideoSurface, &rect);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1030 SDL_EraseCursor(SDL_ShadowSurface);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1031 SDL_UnlockCursor();
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1032 } else {
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1033 SDL_LowerBlit(SDL_ShadowSurface, &rect,
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1034 SDL_VideoSurface, &rect);
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1035 }
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1036 if ( saved_colors ) {
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1037 pal->colors = saved_colors;
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1038 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1039
488
0a111805b53a Fixed missing cursor after shadow buffer flip (thanks Jan!)
Sam Lantinga <slouken@libsdl.org>
parents: 460
diff changeset
1040 /* Fall through to video surface update */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1041 screen = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1042 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1043 if ( (screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1044 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1045 return(video->FlipHWSurface(this, SDL_VideoSurface));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1046 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1047 SDL_UpdateRect(screen, 0, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1048 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1049 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1050 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1051
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1052 static void SetPalette_logical(SDL_Surface *screen, SDL_Color *colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1053 int firstcolor, int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1054 {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1055 SDL_Palette *pal = screen->format->palette;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1056 SDL_Palette *vidpal;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1057
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1058 if ( colors != (pal->colors + firstcolor) ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1059 SDL_memcpy(pal->colors + firstcolor, colors,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1060 ncolors * sizeof(*colors));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1061 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1062
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1063 vidpal = SDL_VideoSurface->format->palette;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064 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
1065 /*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1066 * This is a shadow surface, and the physical
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1067 * framebuffer is also indexed. Propagate the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1068 * changes to its logical palette so that
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1069 * updates are always identity blits
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1070 */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1071 SDL_memcpy(vidpal->colors + firstcolor, colors,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1072 ncolors * sizeof(*colors));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1073 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1074 SDL_FormatChanged(screen);
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 static int SetPalette_physical(SDL_Surface *screen,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1078 SDL_Color *colors, int firstcolor, int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1079 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1080 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1081 int gotall = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1082
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1083 if ( video->physpal ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1084 /* We need to copy the new colors, since we haven't
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1085 * already done the copy in the logical set above.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1086 */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1087 SDL_memcpy(video->physpal->colors + firstcolor,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1088 colors, ncolors * sizeof(*colors));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1089 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1090 if ( screen == SDL_ShadowSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1091 if ( SDL_VideoSurface->flags & SDL_HWPALETTE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1092 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1093 * The real screen is also indexed - set its physical
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1094 * palette. The physical palette does not include the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1095 * gamma modification, we apply it directly instead,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1096 * but this only happens if we have hardware palette.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1097 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1098 screen = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1099 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1100 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1101 * The video surface is not indexed - invalidate any
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1102 * active shadow-to-video blit mappings.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1103 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1104 if ( screen->map->dst == SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1105 SDL_InvalidateMap(screen->map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1106 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1107 if ( video->gamma ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1108 if( ! video->gammacols ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1109 SDL_Palette *pp = video->physpal;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1110 if(!pp)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1111 pp = screen->format->palette;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1112 video->gammacols = SDL_malloc(pp->ncolors
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1113 * sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1114 SDL_ApplyGamma(video->gamma,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1115 pp->colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1116 video->gammacols,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1117 pp->ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1118 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1119 SDL_ApplyGamma(video->gamma, colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1120 video->gammacols
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1121 + firstcolor,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1122 ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1123 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1124 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1125 SDL_UpdateRect(screen, 0, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1126 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1127 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1128
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1129 if ( screen == SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1130 SDL_Color gcolors[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1131
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1132 if ( video->gamma ) {
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1133 SDL_ApplyGamma(video->gamma, colors, gcolors, ncolors);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1134 colors = gcolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1135 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1136 gotall = video->SetColors(video, firstcolor, ncolors, colors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1137 if ( ! gotall ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1138 /* The video flags shouldn't have SDL_HWPALETTE, and
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1139 the video driver is responsible for copying back the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1140 correct colors into the video surface palette.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1141 */
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 SDL_CursorPaletteChanged();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1145 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1146 return gotall;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1147 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1148
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1149 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1150 * Set the physical and/or logical colormap of a surface:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1151 * Only the screen has a physical colormap. It determines what is actually
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1152 * sent to the display.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1153 * The logical colormap is used to map blits to/from the surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1154 * 'which' is one or both of SDL_LOGPAL, SDL_PHYSPAL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1155 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1156 * Return nonzero if all colours were set as requested, or 0 otherwise.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1157 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1158 int SDL_SetPalette(SDL_Surface *screen, int which,
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 {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1161 SDL_Palette *pal;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1162 int gotall;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1163 int palsize;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1164
34
27cb016592f9 Minor crash bugfix
Sam Lantinga <slouken@lokigames.com>
parents: 30
diff changeset
1165 if ( ! current_video ) {
27cb016592f9 Minor crash bugfix
Sam Lantinga <slouken@lokigames.com>
parents: 30
diff changeset
1166 return 0;
27cb016592f9 Minor crash bugfix
Sam Lantinga <slouken@lokigames.com>
parents: 30
diff changeset
1167 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1168 if ( screen != SDL_PublicSurface ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1169 /* only screens have physical palettes */
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1170 which &= ~SDL_PHYSPAL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1171 } 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
1172 /* 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
1173 which |= SDL_PHYSPAL | SDL_LOGPAL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1174 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1175
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1176 /* Verify the parameters */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1177 pal = screen->format->palette;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1178 if( !pal ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1179 return 0; /* not a palettized surface */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1180 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1181 gotall = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1182 palsize = 1 << screen->format->BitsPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1183 if ( ncolors > (palsize - firstcolor) ) {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1184 ncolors = (palsize - firstcolor);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1185 gotall = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1186 }
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 ( which & SDL_LOGPAL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1189 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1190 * Logical palette change: The actual screen isn't affected,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1191 * but the internal colormap is altered so that the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1192 * interpretation of the pixel values (for blits etc) is
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1193 * changed.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1194 */
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1195 SetPalette_logical(screen, colors, firstcolor, ncolors);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1196 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1197 if ( which & SDL_PHYSPAL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1198 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
1199 /*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1200 * Physical palette change: This doesn't affect the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1201 * program's idea of what the screen looks like, but changes
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1202 * its actual appearance.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1203 */
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1204 if(!video)
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1205 return gotall; /* video not yet initialized */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1206 if(!video->physpal && !(which & SDL_LOGPAL) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1207 /* Lazy physical palette allocation */
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1208 int size;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1209 SDL_Palette *pp = SDL_malloc(sizeof(*pp));
944
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1210 if ( !pp ) {
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1211 return 0;
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1212 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1213 current_video->physpal = pp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1214 pp->ncolors = pal->ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1215 size = pp->ncolors * sizeof(SDL_Color);
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1216 pp->colors = SDL_malloc(size);
944
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1217 if ( !pp->colors ) {
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1218 return 0;
cdea7cbc3e23 Date: Wed, 28 Jul 2004 14:56:57 +0800
Sam Lantinga <slouken@libsdl.org>
parents: 916
diff changeset
1219 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1220 SDL_memcpy(pp->colors, pal->colors, size);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1221 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1222 if ( ! SetPalette_physical(screen,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1223 colors, firstcolor, ncolors) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1224 gotall = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1225 }
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 int SDL_SetColors(SDL_Surface *screen, SDL_Color *colors, int firstcolor,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1231 int ncolors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1232 {
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1233 return SDL_SetPalette(screen, SDL_LOGPAL | SDL_PHYSPAL,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1234 colors, firstcolor, ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1235 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1236
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1237 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1238 * Clean up the video subsystem
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1239 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1240 void SDL_VideoQuit (void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1241 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1242 SDL_Surface *ready_to_go;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1243
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1244 if ( current_video ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1245 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1246 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1247
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1248 /* Halt event processing before doing anything else */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1249 SDL_StopEventLoop();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1250
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1251 /* Clean up allocated window manager items */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1252 if ( SDL_PublicSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1253 SDL_PublicSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1254 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1255 SDL_CursorQuit();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1256
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1257 /* Just in case... */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1258 SDL_WM_GrabInputOff();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1259
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1260 /* Clean up the system video */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1261 video->VideoQuit(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1262
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1263 /* Free any lingering surfaces */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1264 ready_to_go = SDL_ShadowSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1265 SDL_ShadowSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1266 SDL_FreeSurface(ready_to_go);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1267 if ( SDL_VideoSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1268 ready_to_go = SDL_VideoSurface;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1269 SDL_VideoSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1270 SDL_FreeSurface(ready_to_go);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1271 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1272 SDL_PublicSurface = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1273
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1274 /* Clean up miscellaneous memory */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1275 if ( video->physpal ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1276 SDL_free(video->physpal->colors);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1277 SDL_free(video->physpal);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1278 video->physpal = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1279 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1280 if ( video->gammacols ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1281 SDL_free(video->gammacols);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1282 video->gammacols = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1283 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1284 if ( video->gamma ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1285 SDL_free(video->gamma);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1286 video->gamma = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1287 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1288 if ( video->wm_title != NULL ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1289 SDL_free(video->wm_title);
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1290 video->wm_title = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1291 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1292 if ( video->wm_icon != NULL ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1293 SDL_free(video->wm_icon);
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1294 video->wm_icon = NULL;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1295 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1296
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1297 /* Finish cleaning up video subsystem */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1298 video->free(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1299 current_video = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1300 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1301 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1302 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1303
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1304 /* Load the GL driver library */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1305 int SDL_GL_LoadLibrary(const char *path)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1306 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1307 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1308 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1309 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1310
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1311 retval = -1;
423
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1312 if ( video == NULL ) {
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1313 SDL_SetError("Video subsystem has not been initialized");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1314 } else {
423
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1315 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
1316 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
1317 } else {
d1565c52ded5 More correct error reported when calling SDL_GL_LoadLibrary() without
Ryan C. Gordon <icculus@icculus.org>
parents: 371
diff changeset
1318 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
1319 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1320 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1321 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1322 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1323
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1324 void *SDL_GL_GetProcAddress(const char* proc)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1325 {
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 void *func;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1329
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1330 func = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1331 if ( video->GL_GetProcAddress ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1332 if ( video->gl_config.driver_loaded ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1333 func = video->GL_GetProcAddress(this, proc);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1334 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1335 SDL_SetError("No GL driver has been loaded");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1336 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1337 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1338 SDL_SetError("No dynamic GL support in video driver");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1339 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1340 return func;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1341 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1342
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1343 /* Set the specified GL attribute for setting up a GL video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1344 int SDL_GL_SetAttribute( SDL_GLattr attr, int value )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1345 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1346 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1347 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1348
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1349 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1350 switch (attr) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1351 case SDL_GL_RED_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1352 video->gl_config.red_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1353 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1354 case SDL_GL_GREEN_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1355 video->gl_config.green_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1356 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1357 case SDL_GL_BLUE_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1358 video->gl_config.blue_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1359 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1360 case SDL_GL_ALPHA_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1361 video->gl_config.alpha_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1362 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1363 case SDL_GL_DOUBLEBUFFER:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1364 video->gl_config.double_buffer = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1365 break;
662
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1366 case SDL_GL_BUFFER_SIZE:
66c02f83f5bf Date: Sun, 27 Jul 2003 22:37:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 656
diff changeset
1367 video->gl_config.buffer_size = value;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1368 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1369 case SDL_GL_DEPTH_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1370 video->gl_config.depth_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1371 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1372 case SDL_GL_STENCIL_SIZE:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1373 video->gl_config.stencil_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1374 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1375 case SDL_GL_ACCUM_RED_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1376 video->gl_config.accum_red_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1377 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1378 case SDL_GL_ACCUM_GREEN_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1379 video->gl_config.accum_green_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1380 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1381 case SDL_GL_ACCUM_BLUE_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1382 video->gl_config.accum_blue_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1383 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1384 case SDL_GL_ACCUM_ALPHA_SIZE:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1385 video->gl_config.accum_alpha_size = value;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1386 break;
450
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1387 case SDL_GL_STEREO:
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1388 video->gl_config.stereo = value;
8a43e0cbf02f Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents: 433
diff changeset
1389 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
1390 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
1391 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
1392 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
1393 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
1394 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
1395 break;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1396 default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1397 SDL_SetError("Unknown OpenGL attribute");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1398 retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1399 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1400 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1401 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1402 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1403
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1404 /* Retrieve an attribute value from the windowing system. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1405 int SDL_GL_GetAttribute(SDL_GLattr attr, int* value)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1406 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1407 int retval = -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1408 SDL_VideoDevice* video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1409 SDL_VideoDevice* this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1410
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1411 if ( video->GL_GetAttribute ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1412 retval = this->GL_GetAttribute(this, attr, value);
11
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1413 } else {
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1414 *value = 0;
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1415 SDL_SetError("GL_GetAttribute not supported");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1416 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1417 return retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1418 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1419
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1420 /* Perform a GL buffer swap on the current GL context */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1421 void SDL_GL_SwapBuffers(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1422 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1423 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1424 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1425
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1426 if ( video->screen->flags & SDL_OPENGL ) {
266
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1427 video->GL_SwapBuffers(this);
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1428 } else {
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
1429 SDL_SetError("OpenGL video mode has not been set");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1430 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1431 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1432
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1433 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1434 * Sets/Gets the title and icon text of the display window, if any.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1435 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1436 void SDL_WM_SetCaption (const char *title, const char *icon)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1437 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1438 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1439 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1440
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1441 if ( video ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1442 if ( title ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1443 if ( video->wm_title ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1444 SDL_free(video->wm_title);
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1445 }
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
1446 video->wm_title = SDL_strdup(title);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1447 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1448 if ( icon ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1449 if ( video->wm_icon ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1450 SDL_free(video->wm_icon);
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1451 }
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
1452 video->wm_icon = SDL_strdup(icon);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1453 }
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1454 if ( (title || icon) && (video->SetCaption != NULL) ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1455 video->SetCaption(this, video->wm_title,video->wm_icon);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1456 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1457 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1458 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1459 void SDL_WM_GetCaption (char **title, char **icon)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1460 {
58
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1461 SDL_VideoDevice *video = current_video;
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1462
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1463 if ( video ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1464 if ( title ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1465 *title = video->wm_title;
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1466 }
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1467 if ( icon ) {
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1468 *icon = video->wm_icon;
bd6b0a910a65 * Removed fullscreen menu option from the "Window" menu
Sam Lantinga <slouken@lokigames.com>
parents: 47
diff changeset
1469 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1470 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1471 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1472
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1473 /* 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
1474 * 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
1475 static void CreateMaskFromColorKeyOrAlpha(SDL_Surface *icon, Uint8 *mask, int flags)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1476 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1477 int x, y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1478 Uint32 colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1479 #define SET_MASKBIT(icon, x, y, mask) \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1480 mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1481
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1482 colorkey = icon->format->colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1483 switch (icon->format->BytesPerPixel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1484 case 1: { Uint8 *pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1485 for ( y=0; y<icon->h; ++y ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1486 pixels = (Uint8 *)icon->pixels + y*icon->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1487 for ( x=0; x<icon->w; ++x ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1488 if ( *pixels++ == colorkey ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1489 SET_MASKBIT(icon, x, y, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1490 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1491 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1492 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1493 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1494 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1495
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1496 case 2: { Uint16 *pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1497 for ( y=0; y<icon->h; ++y ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1498 pixels = (Uint16 *)icon->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1499 y*icon->pitch/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1500 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
1501 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
1502 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
1503 } else if((flags & 2) && (*pixels & icon->format->Amask) == 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1504 SET_MASKBIT(icon, x, y, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1505 }
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1506 pixels++;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1507 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1508 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1509 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1510 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1511
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1512 case 4: { Uint32 *pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1513 for ( y=0; y<icon->h; ++y ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1514 pixels = (Uint32 *)icon->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1515 y*icon->pitch/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1516 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
1517 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
1518 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
1519 } else if((flags & 2) && (*pixels & icon->format->Amask) == 0) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1520 SET_MASKBIT(icon, x, y, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1521 }
541
796f2fe699be Support 1-bit alpha on surfaces passed to SDL_WM_SetIcon() (thanks Glenn!)
Sam Lantinga <slouken@libsdl.org>
parents: 509
diff changeset
1522 pixels++;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1523 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1524 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1525 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1526 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1527 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1528 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1529
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1530 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1531 * Sets the window manager icon for the display window.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1532 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1533 void SDL_WM_SetIcon (SDL_Surface *icon, Uint8 *mask)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1534 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1535 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1536 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1537
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1538 if ( icon && video->SetIcon ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1539 /* Generate a mask if necessary, and create the icon! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1540 if ( mask == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1541 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
1542 int flags = 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1543 mask = (Uint8 *)SDL_malloc(mask_len);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1544 if ( mask == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1545 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1546 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1547 SDL_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
1548 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
1549 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
1550 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
1551 CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1552 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1553 video->SetIcon(video, icon, mask);
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
1554 SDL_free(mask);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1555 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1556 video->SetIcon(this, icon, mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1557 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1558 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1559 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1560
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1561 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1562 * Grab or ungrab the keyboard and mouse input.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1563 * This function returns the final grab mode after calling the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1564 * driver dependent function.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1565 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1566 static SDL_GrabMode SDL_WM_GrabInputRaw(SDL_GrabMode mode)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1567 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1568 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1569 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1570
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1571 /* Only do something if we have support for grabs */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1572 if ( video->GrabInput == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1573 return(video->input_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1574 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1575
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1576 /* If the final grab mode if off, only then do we actually grab */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1577 #ifdef DEBUG_GRAB
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1578 printf("SDL_WM_GrabInputRaw(%d) ... ", mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1579 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1580 if ( mode == SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1581 if ( video->input_grab != SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1582 mode = video->GrabInput(this, mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1583 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1584 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1585 if ( video->input_grab == SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1586 mode = video->GrabInput(this, mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1587 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1588 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1589 if ( mode != video->input_grab ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1590 video->input_grab = mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1591 if ( video->CheckMouseMode ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1592 video->CheckMouseMode(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1593 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1594 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1595 #ifdef DEBUG_GRAB
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1596 printf("Final mode %d\n", video->input_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1597 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1598
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1599 /* Return the final grab state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1600 if ( mode >= SDL_GRAB_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1601 mode -= SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1602 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1603 return(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1604 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1605 SDL_GrabMode SDL_WM_GrabInput(SDL_GrabMode mode)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1606 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1607 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1608
11
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1609 /* 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
1610 if ( ! video ) {
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1611 return SDL_GRAB_OFF;
7b94b6379341 *** empty log message ***
Sam Lantinga <slouken@lokigames.com>
parents: 7
diff changeset
1612 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1613
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1614 /* Return the current mode on query */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1615 if ( mode == SDL_GRAB_QUERY ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1616 mode = video->input_grab;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1617 if ( mode >= SDL_GRAB_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1618 mode -= SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1619 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1620 return(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1621 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1622
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1623 #ifdef DEBUG_GRAB
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1624 printf("SDL_WM_GrabInput(%d) ... ", mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1625 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1626 /* If the video surface is fullscreen, we always grab */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1627 if ( mode >= SDL_GRAB_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1628 mode -= SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1629 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1630 if ( SDL_VideoSurface && (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1631 mode += SDL_GRAB_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1632 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1633 return(SDL_WM_GrabInputRaw(mode));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1634 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1635 static SDL_GrabMode SDL_WM_GrabInputOff(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1636 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1637 SDL_GrabMode mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1638
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1639 /* First query the current grab state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1640 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1641
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1642 /* Now explicitly turn off input grab */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1643 SDL_WM_GrabInputRaw(SDL_GRAB_OFF);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1644
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1645 /* Return the old state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1646 return(mode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1647 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1648
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1649 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1650 * Iconify the window in window managed environments.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1651 * A successful iconification will result in an SDL_APPACTIVE loss event.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1652 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1653 int SDL_WM_IconifyWindow(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1654 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1655 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1656 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1657 int retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1658
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1659 retval = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1660 if ( video->IconifyWindow ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1661 retval = video->IconifyWindow(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1662 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1663 return(retval);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1664 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1665
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1666 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1667 * Toggle fullscreen mode
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1668 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1669 int SDL_WM_ToggleFullScreen(SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1670 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1671 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1672 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1673 int toggled;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1674
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1675 toggled = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1676 if ( SDL_PublicSurface && (surface == SDL_PublicSurface) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1677 video->ToggleFullScreen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1678 if ( surface->flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1679 toggled = video->ToggleFullScreen(this, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1680 if ( toggled ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1681 SDL_VideoSurface->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1682 SDL_PublicSurface->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1683 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1684 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1685 toggled = video->ToggleFullScreen(this, 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1686 if ( toggled ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1687 SDL_VideoSurface->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1688 SDL_PublicSurface->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1689 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1690 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1691 /* Double-check the grab state inside SDL_WM_GrabInput() */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1692 if ( toggled ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1693 SDL_WM_GrabInput(video->input_grab);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1694 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1695 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1696 return(toggled);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1697 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1698
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1699 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1700 * Get some platform dependent window manager information
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1701 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1702 int SDL_GetWMInfo (SDL_SysWMinfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1703 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1704 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1705 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1706
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1707 if ( video && video->GetWMInfo ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1708 return(video->GetWMInfo(this, info));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1709 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1710 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1711 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1712 }