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xf86VidMode error checking (Andrew Lentvorski)

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@112 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
brianp 2003-07-01 20:17:05 +00:00
parent 8cce55439e
commit 69cbc334a9
1 changed files with 90 additions and 80 deletions
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170
freeglut/freeglut/src/freeglut_gamemode.c
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@ -62,13 +62,17 @@ void fghRememberState( void )
/*
* Query the current display settings:
*/
XF86VidModeGetModeLine(
fgDisplay.DisplayModeValid =
XF86VidModeGetModeLine(
fgDisplay.Display,
fgDisplay.Screen,
&fgDisplay.DisplayModeClock,
&fgDisplay.DisplayMode
);
if (!fgDisplay.DisplayModeValid)
fgWarning( "Runtime use of XF86VidModeGetModeLine failed.\n" );
# else
# warning fghRememberState: missing XFree86 video mode extensions, game mode will not change screen resolution when activated
# endif
@ -106,47 +110,50 @@ void fghRestoreState( void )
*/
# ifdef X_XF86VidModeGetAllModeLines
XF86VidModeModeInfo** displayModes;
int i, displayModesCount;
/*
* Query for all the display available...
*/
XF86VidModeGetAllModeLines(
fgDisplay.Display,
fgDisplay.Screen,
&displayModesCount,
&displayModes
);
/*
* Check every of the modes looking for one that matches our demands
*/
for( i=0; i<displayModesCount; i++ )
if (fgDisplay.DisplayModeValid)
{
if( displayModes[ i ]->hdisplay == fgDisplay.DisplayMode.hdisplay &&
displayModes[ i ]->vdisplay == fgDisplay.DisplayMode.vdisplay &&
displayModes[ i ]->dotclock == fgDisplay.DisplayModeClock )
XF86VidModeModeInfo** displayModes;
int i, displayModesCount;
/*
* Query for all the display available...
*/
XF86VidModeGetAllModeLines(
fgDisplay.Display,
fgDisplay.Screen,
&displayModesCount,
&displayModes
);
/*
* Check every of the modes looking for one that matches our demands
*/
for( i=0; i<displayModesCount; i++ )
{
/*
* OKi, this is the display mode we have been looking for...
*/
XF86VidModeSwitchToMode(
fgDisplay.Display,
fgDisplay.Screen,
displayModes[ i ]
);
if( displayModes[ i ]->hdisplay == fgDisplay.DisplayMode.hdisplay &&
displayModes[ i ]->vdisplay == fgDisplay.DisplayMode.vdisplay &&
displayModes[ i ]->dotclock == fgDisplay.DisplayModeClock )
{
/*
* OKi, this is the display mode we have been looking for...
*/
XF86VidModeSwitchToMode(
fgDisplay.Display,
fgDisplay.Screen,
displayModes[ i ]
);
/*
* In case this will be the last X11 call we do before exit,
* we've to flush the X11 output queue to be sure the command
* is really brought onto it's way to the X server.
* The application should not do this because it
* would not be platform independent then.
*/
XFlush(fgDisplay.Display);
/*
* In case this will be the last X11 call we do before exit,
* we've to flush the X11 output queue to be sure the command
* is really brought onto it's way to the X server.
* The application should not do this because it
* would not be platform independent then.
*/
XFlush(fgDisplay.Display);
return;
return;
}
}
}
@ -188,52 +195,55 @@ GLboolean fghChangeDisplayMode( GLboolean haveToTest )
*/
# ifdef X_XF86VidModeGetAllModeLines
XF86VidModeModeInfo** displayModes;
int i, displayModesCount;
/*
* Query for all the display available...
*/
XF86VidModeGetAllModeLines(
fgDisplay.Display,
fgDisplay.Screen,
&displayModesCount,
&displayModes
);
/*
* Check every of the modes looking for one that matches our demands
*/
for( i=0; i<displayModesCount; i++ )
if (fgDisplay.DisplayModeValid)
{
if( fghCheckDisplayMode( displayModes[ i ]->hdisplay, displayModes[ i ]->vdisplay,
fgState.GameModeDepth, fgState.GameModeRefresh ) )
XF86VidModeModeInfo** displayModes;
int i, displayModesCount;
/*
* Query for all the display available...
*/
XF86VidModeGetAllModeLines(
fgDisplay.Display,
fgDisplay.Screen,
&displayModesCount,
&displayModes
);
/*
* Check every of the modes looking for one that matches our demands
*/
for( i=0; i<displayModesCount; i++ )
{
if( haveToTest )
return( TRUE );
/*
* OKi, this is the display mode we have been looking for...
*/
XF86VidModeSwitchToMode(
fgDisplay.Display,
fgDisplay.Screen,
displayModes[ i ]
);
if( fghCheckDisplayMode( displayModes[ i ]->hdisplay, displayModes[ i ]->vdisplay,
fgState.GameModeDepth, fgState.GameModeRefresh ) )
{
if( haveToTest )
return( TRUE );
/*
* OKi, this is the display mode we have been looking for...
*/
XF86VidModeSwitchToMode(
fgDisplay.Display,
fgDisplay.Screen,
displayModes[ i ]
);
/*
* Set the viewport's origin to (0,0) (the game mode window's top-left corner)
*/
XF86VidModeSetViewPort(
fgDisplay.Display,
fgDisplay.Screen,
0,
0
);
/*
* Set the viewport's origin to (0,0) (the game mode window's top-left corner)
*/
XF86VidModeSetViewPort(
fgDisplay.Display,
fgDisplay.Screen,
0,
0
);
/*
* Return successfull...
*/
return( TRUE );
/*
* Return successfull...
*/
return( TRUE );
}
}
}