from rootston
| 170 | |
| 171 | // from rootston |
| 172 | static bool parse_modeline(const char *modeline, drmModeModeInfo & mode) |
| 173 | { |
| 174 | char hsync[16]; |
| 175 | char vsync[16]; |
| 176 | char interlace[16]; |
| 177 | interlace[0] = '\0'; |
| 178 | float fclock; |
| 179 | |
| 180 | std::memset(&mode, 0, sizeof(mode)); |
| 181 | mode.type = DRM_MODE_TYPE_USERDEF; |
| 182 | |
| 183 | if (sscanf(modeline, "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s %15s", |
| 184 | &fclock, &mode.hdisplay, &mode.hsync_start, &mode.hsync_end, |
| 185 | &mode.htotal, &mode.vdisplay, &mode.vsync_start, &mode.vsync_end, |
| 186 | &mode.vtotal, hsync, vsync, interlace) < 11) |
| 187 | { |
| 188 | return false; |
| 189 | } |
| 190 | |
| 191 | mode.clock = fclock * 1000; |
| 192 | mode.vrefresh = mode.clock * 1000.0 * 1000.0 / mode.htotal / mode.vtotal; |
| 193 | if (strcasecmp(hsync, "+hsync") == 0) |
| 194 | { |
| 195 | mode.flags |= DRM_MODE_FLAG_PHSYNC; |
| 196 | } else if (strcasecmp(hsync, "-hsync") == 0) |
| 197 | { |
| 198 | mode.flags |= DRM_MODE_FLAG_NHSYNC; |
| 199 | } else |
| 200 | { |
| 201 | return false; |
| 202 | } |
| 203 | |
| 204 | if (strcasecmp(vsync, "+vsync") == 0) |
| 205 | { |
| 206 | mode.flags |= DRM_MODE_FLAG_PVSYNC; |
| 207 | } else if (strcasecmp(vsync, "-vsync") == 0) |
| 208 | { |
| 209 | mode.flags |= DRM_MODE_FLAG_NVSYNC; |
| 210 | } else |
| 211 | { |
| 212 | return false; |
| 213 | } |
| 214 | |
| 215 | if (strcasecmp(interlace, "interlace") == 0) |
| 216 | { |
| 217 | mode.flags |= DRM_MODE_FLAG_INTERLACE; |
| 218 | } |
| 219 | |
| 220 | snprintf(mode.name, sizeof(mode.name), "%dx%d@%d", |
| 221 | mode.hdisplay, mode.vdisplay, mode.vrefresh / 1000); |
| 222 | |
| 223 | return true; |
| 224 | } |
| 225 | |
| 226 | namespace wf |
| 227 | { |