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0
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28
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29 #include "SDL_ph_modes_c.h"
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30
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31 static unsigned long key1, key2;
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32 static PgVideoModeInfo_t mode_info;
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33 static PgVideoModes_t mode_list;
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34 /* The current list of available video modes */
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35 SDL_Rect SDL_modelist[127];
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36 SDL_Rect *SDLmod_ptr;
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37 SDL_Rect **SDLmod_ptrptr ;
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38
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39 static int compare_modes_by_res(const void* mode1, const void* mode2)
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40 {
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41
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42 if (PgGetVideoModeInfo(*(unsigned short*)mode1, &mode_info) < 0)
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43 {
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44 fprintf(stderr,"error: In compare_modes_by_res PgGetVideoModeInfo failed on mode: 0x%x\n",
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45 *(unsigned short*)mode1);
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46 return 0;
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47 }
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48 key1 = mode_info.width * mode_info.height;
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49
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50 if (PgGetVideoModeInfo(*(unsigned short*)mode2, &mode_info) < 0)
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51 {
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52 fprintf(stderr,"error: In compare_modes_by_res PgGetVideoModeInfo failed on mode: 0x%x\n",
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53 *(unsigned short*)mode2);
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54 return 0;
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55 }
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56 key2 = mode_info.width * mode_info.height;
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57
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58 if (key1 > key2)
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59 return 1;
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60 else if (key1 == key2)
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61 return 0;
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62 else
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63 return -1;
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64 }
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65
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66 static int compare_modes_by_bpp(const void* mode1, const void* mode2)
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67 {
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68
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69 if (PgGetVideoModeInfo(*(unsigned short*)mode1, &mode_info) < 0)
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70 {
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71 fprintf(stderr,"error: In compare_modes_by_bpp PgGetVideoModeInfo failed on mode: 0x%x\n",
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72 *(unsigned short*)mode1);
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73 return 0;
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74 }
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75 key1 = mode_info.bits_per_pixel;
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76
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77 if (PgGetVideoModeInfo(*(unsigned short*)mode2, &mode_info) < 0)
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78 {
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79 fprintf(stderr,"error: In compare_modes_by_bpp PgGetVideoModeInfo failed on mode: 0x%x\n",
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80 *(unsigned short*)mode2);
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81 return 0;
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82 }
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83 key2 = mode_info.bits_per_pixel;
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84
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85 if (key1 > key2)
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86 return 1;
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87 else if (key1 == key2)
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88 return 0;
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89 else
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90 return -1;
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91 }
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92
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93 int ph_GetVideoModes(_THIS)
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94 {
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95 unsigned short *front;
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96 int i, bpp_group_size;
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97
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98 // TODO: add mode_list member to _THIS
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99 if (PgGetVideoModeList( &mode_list ) < 0)
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100 {
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101 fprintf(stderr,"error: PgGetVideoModeList failed\n");
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102 return -1;
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103 }
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104
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105 // sort list first by bits per pixel (bpp),
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106 // then sort groups with same bpp by resolution.
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107 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_bpp);
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108 bpp_group_size = 1;
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109 front = &mode_list.modes[0];
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110 for(i=0;i<mode_list.num_modes-2;i++)
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111 {
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112 if (compare_modes_by_bpp(&mode_list.modes[i],&mode_list.modes[i+1]))
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113 {
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114 qsort(front, bpp_group_size, sizeof(unsigned short), compare_modes_by_res);
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115 front = &mode_list.modes[i+1];
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116 bpp_group_size = 1;
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117 }
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118 else
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119 {
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120 bpp_group_size++;
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121 }
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122 }
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123
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124 //SDL_modelist = (SDL_Rect **)malloc((mode_list.num_modes+1)*sizeof(SDL_Rect *));
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125 if ( SDL_modelist ) {
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126 for (i=0;i<mode_list.num_modes;i++) {
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127 // SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
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128 // if ( SDL_modelist[i] == NULL ) {
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129 // break;
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130 // }
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131 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
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132 {
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133 fprintf(stderr,"error: PgGetVideoModeInfo failed on mode: 0x%x\n",
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134 mode_list.modes[i]);
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135 return -1;
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136 }
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137 SDL_modelist[i].x = 0;
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138 SDL_modelist[i].y = 0;
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139 SDL_modelist[i].w = mode_info.height;
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140 SDL_modelist[i].h = mode_info.width;
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141 }
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142 //SDL_modelist[i] = NULL;
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143 }
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144 else
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145 {
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146 fprintf(stderr,"error: malloc failed on SDL_modelist\n");
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147 return -1;
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148 }
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149
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150 return 0;
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151 }
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152
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153 static SDL_Rect** ph_SupportedVisual( SDL_PixelFormat *format)
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154 {
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155 int i = 0;
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156 int j = 0;
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157 SDL_Rect Amodelist[127];
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158
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159
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160 if (PgGetVideoModeList( &mode_list ) < 0)
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161 {
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162 fprintf(stderr,"error: PgGetVideoModeList failed\n");
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163 return NULL;
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164 }
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165
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166 mode_info.bits_per_pixel = 0;
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167
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168 for (i=0; i < mode_list.num_modes; i++)
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169 {
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170 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
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171 {
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172 fprintf(stderr,"error: PgGetVideoModeInfo failed on mode: 0x%x\n",
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173 mode_list.modes[i]);
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174 return NULL;
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175 }
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176
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177 if(mode_info.bits_per_pixel == format->BitsPerPixel)
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178 {
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179 Amodelist[j].w = mode_info.width;
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180 Amodelist[j].h = mode_info.height;
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181 Amodelist[j].x = 0;
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182 Amodelist[j].y = 0;
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183 j++;
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184 }
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185 }
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186
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187 //reorder biggest for smallest , assume width dominates
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188 for(i=0; i< j ; i++)
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189 {
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190 SDL_modelist[i].w = Amodelist[j - i -1].w;
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191 SDL_modelist[i].h = Amodelist[j - i -1].h;
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192 SDL_modelist[i].x = Amodelist[j - i -1].x;
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193 SDL_modelist[i].y = Amodelist[j - i -1].y;
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194 }
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195
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196 SDLmod_ptr = SDL_modelist;
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197 SDLmod_ptrptr = &SDLmod_ptr;
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198 return SDLmod_ptrptr;
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199 }
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200
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201 SDL_Rect **ph_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
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202 {
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203 return ph_SupportedVisual( format);
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204 }
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205
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206 void ph_FreeVideoModes(_THIS)
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207 {
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208 int i;
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209
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210 // if ( SDL_modelist ) {
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211 // for ( i=0; SDL_modelist[i]; ++i ) {
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212 // free(SDL_modelist[i]);
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213 // }
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214 // free(SDL_modelist);
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215 // SDL_modelist = NULL;
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216 // }
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217 }
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218
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219 static void set_best_resolution(_THIS, int width, int height)
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220 {
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221
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222 if ( use_vidmode ) {
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223 PgDisplaySettings_t settings;
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224 PgVideoModeInfo_t current_mode_info;
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225 unsigned short current_bpp;
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226 int i;
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227
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228 if (PgGetVideoMode( &settings ) < 0)
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229 {
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230 fprintf(stderr,"error: PgGetVideoMode failed\n");
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231 return;
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232 }
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233 if (PgGetVideoModeInfo( settings.mode, ¤t_mode_info ) < 0)
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234 {
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235 fprintf(stderr,"error: PgGetVideoModeInfo failed\n");
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236 return;
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237 }
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238 current_bpp = current_mode_info.bits_per_pixel;
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239
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240 if (PgGetVideoModeList(&mode_list) >= 0)
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241 {
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242 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res);
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243 #ifdef PH_DEBUG
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244 printf("Available modes:\n");
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245 for ( i = 0; i < mode_list.num_modes; ++i )
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246 {
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247 PgGetVideoModeInfo(mode_list.modes[i], &mode_info);
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248 printf("Mode %d: %dx%d\n", i, mode_info.width, mode_info.height);
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249 }
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250 #endif
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251 for ( i = mode_list.num_modes-1; i >= 0 ; --i )
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252 {
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253 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
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254 {
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255 fprintf(stderr,"error: PgGetVideoModeInfo failed\n");
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256 }
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257 if ( (mode_info.width >= width) &&
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258 (mode_info.height >= height) &&
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259 (mode_info.bits_per_pixel == current_bpp) )
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260 break;
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261 }
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262 if (i >= 0)
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263 {
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264 if ( (mode_info.width != current_mode_info.width) ||
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265 (mode_info.height != current_mode_info.height) )
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266 {
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267 settings.mode = mode_list.modes[i];
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268 if(PgSetVideoMode( &settings ) < 0)
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269 {
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270 fprintf(stderr,"error: PgSetVideoMode failed\n");
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271 }
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272 }
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273 }
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274 }
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275 }
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276 }
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277
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278 static void get_real_resolution(_THIS, int* w, int* h)
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279 {
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280
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281 if ( use_vidmode ) {
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282 PgDisplaySettings_t settings;
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283 int unused;
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284
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285 if (PgGetVideoMode( &settings ) >= 0) {
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286 *w = settings.xres;
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287 *h = settings.yres;
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288 return;
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289 }
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290 }
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291 // *w = DisplayWidth(SDL_Display, SDL_Screen);
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292 // *h = DisplayHeight(SDL_Display, SDL_Screen);
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293 }
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294
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295 int ph_ResizeFullScreen(_THIS)
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296 {
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297
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298 if ( currently_fullscreen ) {
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299 set_best_resolution(this, current_w, current_h);
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300 }
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301 return(1);
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302 }
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303
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304 int get_mode(int width, int height, int bpp)
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305 /* return the mode associated with width, height and bpp */
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306 /* if there is no mode then zero is returned */
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307 {
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308 int i;
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309
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310
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311 if(width <640)
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312 width = 640;
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313 if(height < 480)
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314 height = 480;
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315
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316
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317 if (PgGetVideoModeList( &mode_list ) < 0)
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318 {
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319 fprintf(stderr,"error: PgGetVideoModeList failed\n");
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320 return -1;
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321 }
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322
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323 // search list for exact match
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324 for (i=0;i<mode_list.num_modes;i++)
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325 {
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326 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
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327 {
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328 fprintf(stderr,"error: PgGetVideoModeInfo failed\n");
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329 return 0;
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330 }
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331
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332
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333 if ((mode_info.width == width) &&
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334 (mode_info.height == height) &&
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335 (mode_info.bits_per_pixel == bpp))
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336 {
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337 return mode_list.modes[i];
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338 }
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339 }
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340 return (i == mode_list.num_modes) ? 0 : mode_list.modes[i];
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341 }
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342
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343 int get_mode_any_format(int width, int height, int bpp)
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344 /* return the mode associated with width, height and bpp */
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345 /* if requested bpp is not found the mode with closest bpp is returned */
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346 {
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347 int i, closest, delta, min_delta;
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348
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349 if (PgGetVideoModeList( &mode_list ) < 0)
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350 {
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351 fprintf(stderr,"error: PgGetVideoModeList failed\n");
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352 return -1;
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353 }
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354
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355 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res);
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356 for(i=0;i<mode_list.num_modes;i++)
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357 {
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358 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
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359 {
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360 fprintf(stderr,"error: PgGetVideoModeInfo failed\n");
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361 return 0;
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362 }
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363 if ((mode_info.width == width) &&
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364 (mode_info.height == height))
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365 break;
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366 }
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367 if (i<mode_list.num_modes)
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368 {
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369 // get closest bpp
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370 closest = i++;
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371 if (mode_info.bits_per_pixel == bpp)
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372 return mode_list.modes[ closest ];
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373
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374 min_delta = abs(mode_info.bits_per_pixel - bpp);
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375 while(1)
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376 {
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377 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0)
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378 {
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379 fprintf(stderr,"error: PgGetVideoModeInfo failed\n");
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380 return 0;
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381 }
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382
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383 if ((mode_info.width != width) ||
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384 (mode_info.height != height))
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385 break;
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386 else if (mode_info.bits_per_pixel == bpp)
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387 {
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388 closest = i;
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389 break;
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390 }
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391 else
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392 {
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393 delta = abs(mode_info.bits_per_pixel - bpp);
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394 if (delta < min_delta)
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395 {
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396 closest = i;
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397 min_delta = delta;
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398 }
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399 i++;
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400 }
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401 }
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402 return mode_list.modes[ closest ];
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403 }
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404 else
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405 return 0;
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406 }
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407
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408 void ph_WaitMapped(_THIS);
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409 void ph_WaitUnmapped(_THIS);
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410 void ph_QueueEnterFullScreen(_THIS);
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411
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412 int ph_ToggleFullScreen(_THIS, int on)
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413 {
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414
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415 if(currently_fullscreen)
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416 ph_LeaveFullScreen(this);
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417 else
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418 ph_EnterFullScreen(this);
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419
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420 return 0;
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421
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422 }
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423
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424 int ph_EnterFullScreen(_THIS)
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425 {
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426 if ( ! currently_fullscreen )
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427 {
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428
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429 if (old_video_mode==-1)
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430 {
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431 PgGetGraphicsHWCaps(&graphics_card_caps);
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432 old_video_mode=graphics_card_caps.current_video_mode;
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433 old_refresh_rate=graphics_card_caps.current_rrate;
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434 }
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435
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436
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437 if(OCImage.direct_context == NULL)
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438 OCImage.direct_context=(PdDirectContext_t*)PdCreateDirectContext();
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439 if( !OCImage.direct_context )
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440 fprintf(stderr, "error: Can't create direct context\n" );
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|
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441
|
|
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442
|
|
|
443 /* Remove the cursor if in full screen mode */
|
|
|
444 /*
|
|
|
445 region_info.cursor_type = Ph_CURSOR_NONE;
|
|
|
446 region_info.rid=PtWidgetRid(window);
|
|
|
447 PhRegionChange(Ph_REGION_CURSOR,0,®ion_info,NULL,NULL);
|
|
|
448 */
|
|
|
449
|
|
|
450 PdDirectStart( OCImage.direct_context );
|
|
|
451
|
|
|
452 currently_fullscreen = 1;
|
|
|
453 }
|
|
|
454
|
|
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455
|
|
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456
|
|
|
457 return 1;
|
|
|
458 }
|
|
|
459
|
|
|
460 int ph_LeaveFullScreen(_THIS )
|
|
|
461 {
|
|
|
462 PgDisplaySettings_t mymode_settings;
|
|
|
463
|
|
|
464 if ( currently_fullscreen )
|
|
|
465 {
|
|
|
466 PdDirectStop(OCImage.direct_context);
|
|
|
467 PdReleaseDirectContext(OCImage.direct_context);
|
|
|
468
|
|
|
469 //Restore old video mode
|
|
|
470 if (old_video_mode != -1)
|
|
|
471 {
|
|
|
472 mymode_settings.mode= (unsigned short) old_video_mode;
|
|
|
473 mymode_settings.refresh= (unsigned short) old_refresh_rate;
|
|
|
474 mymode_settings.flags = 0;
|
|
|
475 if(PgSetVideoMode(&mymode_settings) < 0)
|
|
|
476 {
|
|
|
477 fprintf(stderr,"error: PgSetVideoMode failed\n");
|
|
|
478 }
|
|
|
479 }
|
|
|
480
|
|
|
481 old_video_mode=-1;
|
|
|
482 old_refresh_rate=-1;
|
|
|
483
|
|
|
484 // Restore cursor
|
|
|
485
|
|
|
486 }
|
|
|
487 return 1;
|
|
|
488 }
|
