X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_init.c;h=bbe9ec8e17c8bedbcfdb4c4425511665f1d27cb5;hb=a160acfee096bef8a8c51194efa8e2262e719125;hp=8b9d34d12e03127878489a4af71f773a17f2f743;hpb=18b1e0286e6a2a23b05a1955f5fe99f61ebfa2a8;p=freeglut diff --git a/src/freeglut_init.c b/src/freeglut_init.c index 8b9d34d..bbe9ec8 100644 --- a/src/freeglut_init.c +++ b/src/freeglut_init.c @@ -89,9 +89,11 @@ SFG_State fgState = { { -1, -1, GL_FALSE }, /* Position */ 1, /* AuxiliaryBufferNumber */ 4, /* SampleNumber */ 1, /* MajorVersion */ - 0, /* MajorVersion */ + 0, /* MinorVersion */ 0, /* ContextFlags */ - 0 /* ContextProfile */ + 0, /* ContextProfile */ + NULL, /* ErrorFunc */ + NULL /* WarningFunc */ }; @@ -311,7 +313,7 @@ static void fghInitialize( const char* displayName ) /* What we need to do is to initialize the fgDisplay global structure here. */ fgDisplay.Instance = GetModuleHandle( NULL ); - + fgDisplay.DisplayName=strdup(displayName); atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc ); if( atom == 0 ) @@ -363,13 +365,31 @@ static void fghInitialize( const char* displayName ) ReleaseDC( desktop, context ); } - + /* If we have a DisplayName try to use it for metrics */ + if( fgDisplay.DisplayName ) + { + HDC context = CreateDC(fgDisplay.DisplayName,0,0,0); + if( context ) + { + fgDisplay.ScreenWidth = GetDeviceCaps( context, HORZRES ); + fgDisplay.ScreenHeight = GetDeviceCaps( context, VERTRES ); + fgDisplay.ScreenWidthMM = GetDeviceCaps( context, HORZSIZE ); + fgDisplay.ScreenHeightMM = GetDeviceCaps( context, VERTSIZE ); + DeleteDC(context); + } + else + fgWarning("fghInitialize: " + "CreateDC failed, Screen size info may be incorrect\n" + "This is quite likely caused by a bad '-display' parameter"); + + } /* Set the timer granularity to 1 ms */ timeBeginPeriod ( 1 ); #endif fgState.Initialised = GL_TRUE; + atexit(fgDeinitialize); /* InputDevice uses GlutTimerFunc(), so fgState.Initialised must be TRUE */ fgInitialiseInputDevices(); @@ -384,8 +404,6 @@ void fgDeinitialize( void ) if( !fgState.Initialised ) { - fgWarning( "fgDeinitialize(): " - "no valid initialization has been performed" ); return; } @@ -489,6 +507,11 @@ void fgDeinitialize( void ) XCloseDisplay( fgDisplay.Display ); #elif TARGET_HOST_MS_WINDOWS + if( fgDisplay.DisplayName ) + { + free( fgDisplay.DisplayName ); + fgDisplay.DisplayName = NULL; + } /* Reset the timer granularity */ timeEndPeriod ( 1 ); @@ -1121,4 +1144,24 @@ void FGAPIENTRY glutInitContextProfile( int profile ) fgState.ContextProfile = profile; } +/* -------------- User Defined Error/Warning Handler Support -------------- */ + +/* + * Sets the user error handler (note the use of va_list for the args to the fmt) + */ +void FGAPIENTRY glutInitErrorFunc( void (* vfgError) ( const char *fmt, va_list ap ) ) +{ + /* This allows user programs to handle freeglut errors */ + fgState.ErrorFunc = vfgError; +} + +/* + * Sets the user warning handler (note the use of va_list for the args to the fmt) + */ +void FGAPIENTRY glutInitWarningFunc( void (* vfgWarning) ( const char *fmt, va_list ap ) ) +{ + /* This allows user programs to handle freeglut warnings */ + fgState.WarningFunc = vfgWarning; +} + /*** END OF FILE ***/