Mercurial > sdl-ios-xcode

annotate src/video/x11/SDL_x11modes.c @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device

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Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of the core and into the drivers where it belongs, and push generic responsibilities out of the drivers and into the core where they belong.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 04 Oct 2006 19:54:23 +0000
parents 7177581dc9fa
children 99210400e8b9
rev   line source
1950
a344e42bce3b Started work on the new X11 driver.
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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
a344e42bce3b Started work on the new X11 driver.
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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
a344e42bce3b Started work on the new X11 driver.
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13 Lesser General Public License for more details.
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14
a344e42bce3b Started work on the new X11 driver.
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15 You should have received a copy of the GNU Lesser General Public
a344e42bce3b Started work on the new X11 driver.
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16 License along with this library; if not, write to the Free Software
a344e42bce3b Started work on the new X11 driver.
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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 #include "SDL_x11video.h"
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25
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26
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27 static int
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28 get_visualinfo(Display * display, int screen, XVisualInfo * vinfo)
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29 {
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30 const char *visual_id = SDL_getenv("SDL_VIDEO_X11_VISUALID");
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31 int use_directcolor = 1;
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32 int depth;
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33
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34 /* Look for an exact visual, if requested */
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35 if (visual_id) {
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36 XVisualInfo *vi, template;
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37 int nvis;
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38
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39 SDL_zero(template);
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40 template.visualid = SDL_strtol(visual_id, NULL, 0);
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41 vi = XGetVisualInfo(display, VisualIDMask, &template, &nvis);
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42 if (vi) {
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43 *vinfo = *vi;
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44 XFree(vi);
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45 return 0;
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46 }
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47 }
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48
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49 depth = DefaultDepth(display, screen);
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50 if ((use_directcolor &&
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51 XMatchVisualInfo(display, screen, depth, DirectColor, vinfo)) ||
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52 XMatchVisualInfo(display, screen, depth, TrueColor, vinfo) ||
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53 XMatchVisualInfo(display, screen, depth, PseudoColor, vinfo) ||
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54 XMatchVisualInfo(display, screen, depth, StaticColor, vinfo)) {
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55 return 0;
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56 }
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57 return -1;
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58 }
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59
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60 void
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61 X11_InitModes(_THIS)
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62 {
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63 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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64 int screen;
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65 int n;
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66 XPixmapFormatValues *p;
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67
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68 p = XListPixmapFormats(data->display, &n);
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69 for (screen = 0; screen < ScreenCount(data->display); ++screen) {
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70 XVisualInfo vinfo;
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71 int i, bpp;
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72 Uint32 Rmask, Gmask, Bmask, Amask;
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73 SDL_VideoDisplay display;
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74 SDL_DisplayData *displaydata;
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75 SDL_DisplayMode mode;
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76
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77 if (get_visualinfo(data->display, screen, &vinfo) < 0) {
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78 continue;
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79 }
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80
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81 bpp = vinfo.depth;
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82 for (i = 0; i < n; ++i) {
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83 if (p[i].depth == vinfo.depth) {
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84 bpp = p[i].bits_per_pixel;
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85 break;
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86 }
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87 }
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88 Rmask = vinfo.visual->red_mask;
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89 Gmask = vinfo.visual->green_mask;
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90 Bmask = vinfo.visual->blue_mask;
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91 if (vinfo.depth == 32) {
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92 Amask = (0xFFFFFFFF & ~(Rmask | Gmask | Bmask));
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93 } else {
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94 Amask = 0;
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95 }
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96 mode.format =
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97 SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
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98 mode.w = DisplayWidth(data->display, screen);
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99 mode.h = DisplayHeight(data->display, screen);
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100 mode.refresh_rate = 0;
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101 mode.driverdata = NULL;
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102
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103 displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
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104 if (!displaydata) {
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105 continue;
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106 }
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107 displaydata->screen = screen;
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108 displaydata->visual = vinfo.visual;
1951
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109 displaydata->depth = vinfo.depth;
1950
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110
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111 SDL_zero(display);
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112 display.desktop_mode = mode;
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113 display.current_mode = mode;
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114 display.driverdata = displaydata;
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115 SDL_AddVideoDisplay(&display);
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116 }
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117 XFree(p);
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118 }
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119
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120 void
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121 X11_GetDisplayModes(_THIS)
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122 {
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123 SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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124 SDL_DisplayMode mode;
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125 //SDL_AddDisplayMode(_this->current_display, &mode);
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126 }
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127
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128 int
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129 X11_SetDisplayMode(_THIS, SDL_DisplayMode * mode)
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130 {
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131 //SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata;
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132 return -1;
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133 }
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134
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135 void
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136 X11_QuitModes(_THIS)
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137 {
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138 }
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139
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140 /* vi: set ts=4 sw=4 expandtab: */