glutGet():
case GLUT_DIRECT_RENDERING: return fgState.DirectContext; @@
case : return fgState.SkipStaleMotion; @@
default: return fgPlatformGlutGet ( eWhat ); break; @@
#endif
static int Multisample(lua_State *L)
{
int n;
if(!lua_isnoneornil(L, 1)) /* set */
{
n = luaL_checkinteger(L, 1);
glutSetOption(GLUT_MULTISAMPLE, n);
}
lua_pushinteger(L, glutGet(GLUT_MULTISAMPLE));
return 1;
}
/*
* General settings query method
*/
int FGAPIENTRY glutGet( GLenum eWhat )
{
switch (eWhat)
{
case GLUT_INIT_STATE:
return fgState.Initialised;
/* Although internally the time store is 64bits wide, the return value
* here still wraps every 49.7 days. Integer overflows cancel however
* when subtracting an initial start time, unless the total time exceeds
* 32-bit, so you can still work with this.
* XXX: a glutGet64 to return the time might be an idea...
*/
case GLUT_ELAPSED_TIME:
return (int) fgElapsedTime();
}
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGet" );
switch( eWhat )
{
/* Following values are stored in fgState and fgDisplay global structures */
case GLUT_SCREEN_WIDTH: return fgDisplay.ScreenWidth ;
case GLUT_SCREEN_HEIGHT: return fgDisplay.ScreenHeight ;
case GLUT_SCREEN_WIDTH_MM: return fgDisplay.ScreenWidthMM ;
case GLUT_SCREEN_HEIGHT_MM: return fgDisplay.ScreenHeightMM;
case GLUT_INIT_WINDOW_X: return fgState.Position.Use ?
fgState.Position.X : -1 ;
case GLUT_INIT_WINDOW_Y: return fgState.Position.Use ?
fgState.Position.Y : -1 ;
case GLUT_INIT_WINDOW_WIDTH: return fgState.Size.Use ?
fgState.Size.X : -1 ;
case GLUT_INIT_WINDOW_HEIGHT: return fgState.Size.Use ?
fgState.Size.Y : -1 ;
case GLUT_INIT_DISPLAY_MODE: return fgState.DisplayMode ;
case GLUT_INIT_MAJOR_VERSION: return fgState.MajorVersion ;
case GLUT_INIT_MINOR_VERSION: return fgState.MinorVersion ;
case GLUT_INIT_FLAGS: return fgState.ContextFlags ;
case GLUT_INIT_PROFILE: return fgState.ContextProfile ;
/* The window structure queries */
case GLUT_WINDOW_PARENT:
if( fgStructure.CurrentWindow == NULL ) return 0;
if( fgStructure.CurrentWindow->Parent == NULL ) return 0;
return fgStructure.CurrentWindow->Parent->ID;
case GLUT_WINDOW_NUM_CHILDREN:
if( fgStructure.CurrentWindow == NULL )
return 0;
return fgListLength( &fgStructure.CurrentWindow->Children );
case GLUT_WINDOW_CURSOR:
if( fgStructure.CurrentWindow == NULL )
return 0;
return fgStructure.CurrentWindow->State.Cursor;
case GLUT_MENU_NUM_ITEMS:
if( fgStructure.CurrentMenu == NULL )
return 0;
return fgListLength( &fgStructure.CurrentMenu->Entries );
case GLUT_ACTION_ON_WINDOW_CLOSE:
return fgState.ActionOnWindowClose;
case GLUT_VERSION :
return VERSION_MAJOR * 10000 + VERSION_MINOR * 100 + VERSION_PATCH;
case GLUT_RENDERING_CONTEXT:
return fgState.UseCurrentContext ? GLUT_USE_CURRENT_CONTEXT
: GLUT_CREATE_NEW_CONTEXT;
case GLUT_DIRECT_RENDERING:
return fgState.DirectContext;
case GLUT_FULL_SCREEN:
return fgStructure.CurrentWindow->State.IsFullscreen;
case GLUT_AUX:
return fgState.AuxiliaryBufferNumber;
case GLUT_MULTISAMPLE:
return fgState.SampleNumber;
case GLUT_SKIP_STALE_MOTION_EVENTS:
return fgState.SkipStaleMotion;
case GLUT_GEOMETRY_VISUALIZE_NORMALS:
if( fgStructure.CurrentWindow == NULL )
return GL_FALSE;
return fgStructure.CurrentWindow->State.VisualizeNormals;
case GLUT_STROKE_FONT_DRAW_JOIN_DOTS:
return fgState.StrokeFontDrawJoinDots;
default:
return fgPlatformGlutGet ( eWhat );
break;
}
}
/*
* General settings query method
*/
int FGAPIENTRY glutGet( GLenum eWhat )
{
switch (eWhat)
{
case GLUT_INIT_STATE:
return fgState.Initialised;
case GLUT_ELAPSED_TIME:
return (int) fgElapsedTime();
}
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGet" );
/* XXX In chronological code add order. (WHY in that order?) */
switch( eWhat )
{
/* Following values are stored in fgState and fgDisplay global structures */
case GLUT_SCREEN_WIDTH: return fgDisplay.ScreenWidth ;
case GLUT_SCREEN_HEIGHT: return fgDisplay.ScreenHeight ;
case GLUT_SCREEN_WIDTH_MM: return fgDisplay.ScreenWidthMM ;
case GLUT_SCREEN_HEIGHT_MM: return fgDisplay.ScreenHeightMM;
case GLUT_INIT_WINDOW_X: return fgState.Position.Use ?
fgState.Position.X : -1 ;
case GLUT_INIT_WINDOW_Y: return fgState.Position.Use ?
fgState.Position.Y : -1 ;
case GLUT_INIT_WINDOW_WIDTH: return fgState.Size.Use ?
fgState.Size.X : -1 ;
case GLUT_INIT_WINDOW_HEIGHT: return fgState.Size.Use ?
fgState.Size.Y : -1 ;
case GLUT_INIT_DISPLAY_MODE: return fgState.DisplayMode ;
case GLUT_INIT_MAJOR_VERSION: return fgState.MajorVersion ;
case GLUT_INIT_MINOR_VERSION: return fgState.MinorVersion ;
case GLUT_INIT_FLAGS: return fgState.ContextFlags ;
case GLUT_INIT_PROFILE: return fgState.ContextProfile ;
/* The window structure queries */
case GLUT_WINDOW_PARENT:
if( fgStructure.CurrentWindow == NULL ) return 0;
if( fgStructure.CurrentWindow->Parent == NULL ) return 0;
return fgStructure.CurrentWindow->Parent->ID;
case GLUT_WINDOW_NUM_CHILDREN:
if( fgStructure.CurrentWindow == NULL )
return 0;
return fgListLength( &fgStructure.CurrentWindow->Children );
case GLUT_WINDOW_CURSOR:
if( fgStructure.CurrentWindow == NULL )
return 0;
return fgStructure.CurrentWindow->State.Cursor;
case GLUT_MENU_NUM_ITEMS:
if( fgStructure.CurrentMenu == NULL )
return 0;
return fgListLength( &fgStructure.CurrentMenu->Entries );
case GLUT_ACTION_ON_WINDOW_CLOSE:
return fgState.ActionOnWindowClose;
case GLUT_VERSION :
return VERSION_MAJOR * 10000 + VERSION_MINOR * 100 + VERSION_PATCH;
case GLUT_RENDERING_CONTEXT:
return fgState.UseCurrentContext ? GLUT_USE_CURRENT_CONTEXT
: GLUT_CREATE_NEW_CONTEXT;
case GLUT_DIRECT_RENDERING:
return fgState.DirectContext;
case GLUT_FULL_SCREEN:
return fgStructure.CurrentWindow->State.IsFullscreen;
case GLUT_AUX:
return fgState.AuxiliaryBufferNumber;
case GLUT_MULTISAMPLE:
return fgState.SampleNumber;
default:
return fgPlatformGlutGet ( eWhat );
break;
}
return -1;
}
