sets the appropriate video mode.
| 87 | |
| 88 | // sets the appropriate video mode. |
| 89 | bool ddvid_SetVideoMode(int w, int h, int color_depth, bool paged) { |
| 90 | /* |
| 91 | ASSERT(DDVideo_init); |
| 92 | |
| 93 | int mode = -1; |
| 94 | |
| 95 | if( (w==640) && (h==480) ){ |
| 96 | switch(color_depth){ |
| 97 | case BPP_8: |
| 98 | mode = G640x480x256; |
| 99 | break; |
| 100 | case BPP_16: |
| 101 | mode = G640x480x32K; |
| 102 | break; |
| 103 | case BPP_24: |
| 104 | mode = G640x480x64K; |
| 105 | break; |
| 106 | case BPP_32: |
| 107 | mode = G640x480x16M; |
| 108 | break; |
| 109 | } |
| 110 | }else |
| 111 | if( (w==512) && (h==384) ){ |
| 112 | mode = -1; |
| 113 | }else |
| 114 | if( (w==800) && (h==600) ){ |
| 115 | switch(color_depth){ |
| 116 | case BPP_8: |
| 117 | mode = G800x600x256; |
| 118 | break; |
| 119 | case BPP_16: |
| 120 | mode = G800x600x32K; |
| 121 | break; |
| 122 | case BPP_24: |
| 123 | mode = G800x600x64K; |
| 124 | break; |
| 125 | case BPP_32: |
| 126 | mode = G800x600x16M; |
| 127 | break; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if(mode==-1) |
| 132 | return false; |
| 133 | |
| 134 | if(!vga_hasmode(mode)) |
| 135 | return false; |
| 136 | |
| 137 | DDVideo_info.info = vga_getmodeinfo(mode); |
| 138 | |
| 139 | DDVideo_info.paged = (bool)(DDVideo_info.info->flags&HAVE_RWPAGE); |
| 140 | |
| 141 | if( (paged) && (!(DDVideo_info.paged)) ){ |
| 142 | DDVideo_info.info = NULL; |
| 143 | Error("Pages not supported by mode %d\n",mode); |
| 144 | return false; |
| 145 | } |
| 146 |