- int retVal = DISP_CHANGE_SUCCESSFUL;
-
- /*
- * Mark the values we want to modify in the display change call
- */
- devMode.dmFields |=
- DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY;
-
- retVal = ChangeDisplaySettings( &devMode, haveToTest ? CDS_TEST : 0 );
-
- /*
- * I don't know if it's really needed, but looks nice:
- */
- success = (retVal == DISP_CHANGE_SUCCESSFUL) ||
- (retVal == DISP_CHANGE_NOTUPDATED);
-
- if( !haveToTest && success )
- {
- fgState.GameModeSize.X = devMode.dmPelsWidth;
- fgState.GameModeSize.Y = devMode.dmPelsHeight;
- fgState.GameModeDepth = devMode.dmBitsPerPel;
- fgState.GameModeRefresh = devMode.dmDisplayFrequency;
- }
+ case DISP_CHANGE_SUCCESSFUL:
+ success = GL_TRUE;
+
+ /* update vars in case if windows switched to proper mode */
+ EnumDisplaySettings( NULL, FREEGLUT_ENUM_CURRENT_SETTINGS, &devMode );
+ fgState.GameModeSize.X = devMode.dmPelsWidth;
+ fgState.GameModeSize.Y = devMode.dmPelsHeight;
+ fgState.GameModeDepth = devMode.dmBitsPerPel;
+ fgState.GameModeRefresh = devMode.dmDisplayFrequency;
+ break;
+ case DISP_CHANGE_RESTART:
+ fggmstr = "The computer must be restarted for the graphics mode to work.";
+ break;
+ case DISP_CHANGE_BADFLAGS:
+ fggmstr = "An invalid set of flags was passed in.";
+ break;
+ case DISP_CHANGE_BADPARAM:
+ fggmstr = "An invalid parameter was passed in. This can include an invalid flag or combination of flags.";
+ break;
+ case DISP_CHANGE_FAILED:
+ fggmstr = "The display driver failed the specified graphics mode.";
+ break;
+ case DISP_CHANGE_BADMODE:
+ fggmstr = "The graphics mode is not supported.";
+ break;
+ default:
+ fggmstr = "Unknown error in graphics mode???"; /* dunno if it is possible,MSDN does not mention any other error */
+ break;