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Adding initialization checking to all GLUT interface functions and removing asserts from the rest of the code - John Fay

Browse Source 
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@541 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
puggles 2005-01-03 02:04:45 +00:00
parent 9c68fad27d
commit ee6d3a9a1c
18 changed files with 300 additions and 179 deletions
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34
freeglut/freeglut/src/freeglut_callbacks.c
View File

@ -48,6 +48,7 @@
*/
void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDisplayFunc" );
if( !callback )
fgError( "Fatal error in program. NULL display callback not "
"permitted in GLUT 3.0+ or freeglut 2.0.1+" );
@ -59,6 +60,7 @@ void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
*/
void FGAPIENTRY glutReshapeFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeFunc" );
SET_CALLBACK( Reshape );
}
@ -68,6 +70,7 @@ void FGAPIENTRY glutReshapeFunc( void (* callback)( int, int ) )
void FGAPIENTRY glutKeyboardFunc( void (* callback)
( unsigned char, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutKeyboardFunc" );
SET_CALLBACK( Keyboard );
}
@ -76,6 +79,7 @@ void FGAPIENTRY glutKeyboardFunc( void (* callback)
*/
void FGAPIENTRY glutSpecialFunc( void (* callback)( int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpecialFunc" );
SET_CALLBACK( Special );
}
@ -84,7 +88,7 @@ void FGAPIENTRY glutSpecialFunc( void (* callback)( int, int, int ) )
*/
void FGAPIENTRY glutIdleFunc( void (* callback)( void ) )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIdleFunc" );
fgState.IdleCallback = callback;
}
@ -96,7 +100,7 @@ void FGAPIENTRY glutTimerFunc( unsigned int timeOut, void (* callback)( int ),
{
SFG_Timer *timer, *node;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTimerFunc" );
if( (timer = fgState.FreeTimers.Last) )
{
@ -129,7 +133,6 @@ static void fghVisibility( int status )
{
int glut_status = GLUT_VISIBLE;
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Window );
if( ( GLUT_HIDDEN == status ) || ( GLUT_FULLY_COVERED == status ) )
@ -139,6 +142,7 @@ static void fghVisibility( int status )
void FGAPIENTRY glutVisibilityFunc( void (* callback)( int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutVisibilityFunc" );
SET_CALLBACK( Visibility );
if( callback )
@ -153,6 +157,7 @@ void FGAPIENTRY glutVisibilityFunc( void (* callback)( int ) )
void FGAPIENTRY glutKeyboardUpFunc( void (* callback)
( unsigned char, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutKeyboardUpFunc" );
SET_CALLBACK( KeyboardUp );
}
@ -161,6 +166,7 @@ void FGAPIENTRY glutKeyboardUpFunc( void (* callback)
*/
void FGAPIENTRY glutSpecialUpFunc( void (* callback)( int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpecialUpFunc" );
SET_CALLBACK( SpecialUp );
}
@ -171,6 +177,7 @@ void FGAPIENTRY glutJoystickFunc( void (* callback)
( unsigned int, int, int, int ),
int pollInterval )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickFunc" );
fgInitialiseJoysticks ();
SET_CALLBACK( Joystick );
@ -188,6 +195,7 @@ void FGAPIENTRY glutJoystickFunc( void (* callback)
*/
void FGAPIENTRY glutMouseFunc( void (* callback)( int, int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMouseFunc" );
SET_CALLBACK( Mouse );
}
@ -196,6 +204,7 @@ void FGAPIENTRY glutMouseFunc( void (* callback)( int, int, int, int ) )
*/
void FGAPIENTRY glutMouseWheelFunc( void (* callback)( int, int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMouseWheelFunc" );
SET_CALLBACK( MouseWheel );
}
@ -205,6 +214,7 @@ void FGAPIENTRY glutMouseWheelFunc( void (* callback)( int, int, int, int ) )
*/
void FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMotionFunc" );
SET_CALLBACK( Motion );
}
@ -214,6 +224,7 @@ void FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) )
*/
void FGAPIENTRY glutPassiveMotionFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPassiveMotionFunc" );
SET_CALLBACK( Passive );
}
@ -222,6 +233,7 @@ void FGAPIENTRY glutPassiveMotionFunc( void (* callback)( int, int ) )
*/
void FGAPIENTRY glutEntryFunc( void (* callback)( int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutEntryFunc" );
SET_CALLBACK( Entry );
}
@ -230,17 +242,20 @@ void FGAPIENTRY glutEntryFunc( void (* callback)( int ) )
*/
void FGAPIENTRY glutCloseFunc( void (* callback)( void ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCloseFunc" );
SET_CALLBACK( Destroy );
}
void FGAPIENTRY glutWMCloseFunc( void (* callback)( void ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWMCloseFunc" );
glutCloseFunc( callback );
}
/* A. Donev: Destruction callback for menus */
void FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuDestroyFunc" );
if( fgStructure.Menu )
fgStructure.Menu->Destroy = callback;
}
@ -250,7 +265,7 @@ void FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) )
*/
void FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStateFunc" );
fgState.MenuStateCallback = callback;
}
@ -259,7 +274,7 @@ void FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) )
*/
void FGAPIENTRY glutMenuStatusFunc( void (* callback)( int, int, int ) )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMenuStatusFunc" );
fgState.MenuStatusCallback = callback;
}
@ -268,6 +283,7 @@ void FGAPIENTRY glutMenuStatusFunc( void (* callback)( int, int, int ) )
*/
void FGAPIENTRY glutOverlayDisplayFunc( void (* callback)( void ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutOverlayDisplayFunc" );
SET_CALLBACK( OverlayDisplay );
}
@ -276,6 +292,7 @@ void FGAPIENTRY glutOverlayDisplayFunc( void (* callback)( void ) )
*/
void FGAPIENTRY glutWindowStatusFunc( void (* callback)( int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWindowStatusFunc" );
SET_CALLBACK( WindowStatus );
}
@ -284,6 +301,7 @@ void FGAPIENTRY glutWindowStatusFunc( void (* callback)( int ) )
*/
void FGAPIENTRY glutSpaceballMotionFunc( void (* callback)( int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballMotionFunc" );
SET_CALLBACK( SpaceMotion );
}
@ -292,6 +310,7 @@ void FGAPIENTRY glutSpaceballMotionFunc( void (* callback)( int, int, int ) )
*/
void FGAPIENTRY glutSpaceballRotateFunc( void (* callback)( int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballRotateFunc" );
SET_CALLBACK( SpaceRotation );
}
@ -300,6 +319,7 @@ void FGAPIENTRY glutSpaceballRotateFunc( void (* callback)( int, int, int ) )
*/
void FGAPIENTRY glutSpaceballButtonFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSpaceballButtonFunc" );
SET_CALLBACK( SpaceButton );
}
@ -308,6 +328,7 @@ void FGAPIENTRY glutSpaceballButtonFunc( void (* callback)( int, int ) )
*/
void FGAPIENTRY glutButtonBoxFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutButtonBoxFunc" );
SET_CALLBACK( ButtonBox );
}
@ -316,6 +337,7 @@ void FGAPIENTRY glutButtonBoxFunc( void (* callback)( int, int ) )
*/
void FGAPIENTRY glutDialsFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDialsFunc" );
SET_CALLBACK( Dials );
}
@ -324,6 +346,7 @@ void FGAPIENTRY glutDialsFunc( void (* callback)( int, int ) )
*/
void FGAPIENTRY glutTabletMotionFunc( void (* callback)( int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTabletMotionFunc" );
SET_CALLBACK( TabletMotion );
}
@ -332,6 +355,7 @@ void FGAPIENTRY glutTabletMotionFunc( void (* callback)( int, int ) )
*/
void FGAPIENTRY glutTabletButtonFunc( void (* callback)( int, int, int, int ) )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutTabletButtonFunc" );
SET_CALLBACK( TabletButton );
}

6
freeglut/freeglut/src/freeglut_cursor.c
View File

@ -83,7 +83,7 @@ static int fghGetCursorError( Cursor cursor )
*/
void FGAPIENTRY glutSetCursor( int cursorID )
{
freeglut_assert_ready; /* XXX WHY do we need the timer active for this? */
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetCursor" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetCursor" );
#if TARGET_HOST_UNIX_X11
@ -144,7 +144,7 @@ void FGAPIENTRY glutSetCursor( int cursorID )
* need to pick a color for foreground/background---but what
* one we pick doesn't matter for GLUT_CURSOR_NONE.
*/
static char no_cursor_bits[ 32 ];
static unsigned char no_cursor_bits[ 32 ];
XColor black;
no_cursor = XCreatePixmapFromBitmapData( fgDisplay.Display,
fgDisplay.RootWindow,
@ -236,7 +236,7 @@ void FGAPIENTRY glutSetCursor( int cursorID )
*/
void FGAPIENTRY glutWarpPointer( int x, int y )
{
freeglut_assert_ready; /* XXX WHY do we need the timer active for this? */
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWarpPointer" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutWarpPointer" );
#if TARGET_HOST_UNIX_X11

6
freeglut/freeglut/src/freeglut_display.c
View File

@ -40,7 +40,7 @@
*/
void FGAPIENTRY glutPostRedisplay( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostRedisplay" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPostRedisplay" );
fgStructure.Window->State.Redisplay = GL_TRUE;
}
@ -50,7 +50,7 @@ void FGAPIENTRY glutPostRedisplay( void )
*/
void FGAPIENTRY glutSwapBuffers( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSwapBuffers" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSwapBuffers" );
glFlush( );
@ -90,7 +90,7 @@ void FGAPIENTRY glutPostWindowRedisplay( int windowID )
{
SFG_Window* window;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );
window = fgWindowByID( windowID );
freeglut_return_if_fail( window );
window->State.Redisplay = GL_TRUE;

3
freeglut/freeglut/src/freeglut_ext.c
View File

@ -180,8 +180,6 @@ static struct name_address_pair glut_functions[] =
{ "glutSolidRhombicDodecahedron", (void *) glutSolidRhombicDodecahedron },
{ "glutWireSierpinskiSponge ", (void *) glutWireSierpinskiSponge },
{ "glutSolidSierpinskiSponge ", (void *) glutSolidSierpinskiSponge },
{ "glutWireCylinder", (void *) glutWireCylinder },
{ "glutSolidCylinder", (void *) glutSolidCylinder },
{ "glutGetProcAddress", (void *) glutGetProcAddress },
{ "glutMouseWheelFunc", (void *) glutMouseWheelFunc },
{ NULL, NULL }
@ -192,6 +190,7 @@ void *FGAPIENTRY glutGetProcAddress( const char *procName )
{
/* Try GLUT functions first */
int i;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetProcAddress" );
for( i = 0; glut_functions[ i ].name; i++ )
if( strcmp( glut_functions[ i ].name, procName ) == 0)
return glut_functions[ i ].address;

58
freeglut/freeglut/src/freeglut_font.c
View File

@ -105,8 +105,9 @@ static SFG_StrokeFont* fghStrokeByID( void* font )
void FGAPIENTRY glutBitmapCharacter( void* fontID, int character )
{
const GLubyte* face;
SFG_Font* font = fghFontByID( fontID );
SFG_Font* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapCharacter" );
font = fghFontByID( fontID );
freeglut_return_if_fail( ( character >= 1 )&&( character < 256 ) );
freeglut_return_if_fail( font );
@ -134,9 +135,10 @@ void FGAPIENTRY glutBitmapCharacter( void* fontID, int character )
void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
{
unsigned char c;
SFG_Font* font = fghFontByID( fontID );
float x = 0.0f ;
SFG_Font* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapString" );
font = fghFontByID( fontID );
freeglut_return_if_fail( font );
if ( !string || ! *string )
return;
@ -154,8 +156,8 @@ void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
* A newline will simply translate the next character's insertion
* point back to the start of the line and down one line.
*/
while( ( c = *string++ ) )
if( c == '\n' )
while( c = *string++ )
if( string[c] == '\n' )
{
glBitmap ( 0, 0, 0, 0, -x, (float) -font->Height, NULL );
x = 0.0f;
@ -182,8 +184,9 @@ void FGAPIENTRY glutBitmapString( void* fontID, const unsigned char *string )
*/
int FGAPIENTRY glutBitmapWidth( void* fontID, int character )
{
SFG_Font* font = fghFontByID( fontID );
SFG_Font* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapWidth" );
font = fghFontByID( fontID );
freeglut_return_val_if_fail( character > 0 && character < 256, 0 );
freeglut_return_val_if_fail( font, 0 );
return *( font->Characters[ character ] );
@ -196,13 +199,14 @@ int FGAPIENTRY glutBitmapLength( void* fontID, const unsigned char* string )
{
unsigned char c;
int length = 0, this_line_length = 0;
SFG_Font* font = fghFontByID( fontID );
SFG_Font* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapLength" );
font = fghFontByID( fontID );
freeglut_return_val_if_fail( font, 0 );
if ( !string || ! *string )
return 0;
while( ( c = *string++) )
while( c = *string++ )
{
if( c != '\n' )/* Not an EOL, increment length of line */
this_line_length += *( font->Characters[ c ]);
@ -224,7 +228,9 @@ int FGAPIENTRY glutBitmapLength( void* fontID, const unsigned char* string )
*/
int FGAPIENTRY glutBitmapHeight( void* fontID )
{
SFG_Font* font = fghFontByID( fontID );
SFG_Font* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutBitmapHeight" );
font = fghFontByID( fontID );
freeglut_return_val_if_fail( font, 0 );
return font->Height;
}
@ -237,8 +243,9 @@ void FGAPIENTRY glutStrokeCharacter( void* fontID, int character )
const SFG_StrokeChar *schar;
const SFG_StrokeStrip *strip;
int i, j;
SFG_StrokeFont* font = fghStrokeByID( fontID );
SFG_StrokeFont* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeCharacter" );
font = fghStrokeByID( fontID );
freeglut_return_if_fail( character >= 0 );
freeglut_return_if_fail( character < font->Quantity );
freeglut_return_if_fail( font );
@ -262,8 +269,9 @@ void FGAPIENTRY glutStrokeString( void* fontID, const unsigned char *string )
unsigned char c;
int i, j;
float length = 0.0;
SFG_StrokeFont* font = fghStrokeByID( fontID );
SFG_StrokeFont* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeString" );
font = fghStrokeByID( fontID );
freeglut_return_if_fail( font );
if ( !string || ! *string )
return;
@ -273,7 +281,7 @@ void FGAPIENTRY glutStrokeString( void* fontID, const unsigned char *string )
* A newline will simply translate the next character's insertion
* point back to the start of the line and down one line.
*/
while( ( c = *string++) )
while( c = *string++ )
if( c < font->Quantity )
{
if( c == '\n' )
@ -311,8 +319,9 @@ void FGAPIENTRY glutStrokeString( void* fontID, const unsigned char *string )
int FGAPIENTRY glutStrokeWidth( void* fontID, int character )
{
const SFG_StrokeChar *schar;
SFG_StrokeFont* font = fghStrokeByID( fontID );
SFG_StrokeFont* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeWidth" );
font = fghStrokeByID( fontID );
freeglut_return_val_if_fail( ( character >= 0 ) &&
( character < font->Quantity ),
0
@ -332,13 +341,14 @@ int FGAPIENTRY glutStrokeLength( void* fontID, const unsigned char* string )
unsigned char c;
float length = 0.0;
float this_line_length = 0.0;
SFG_StrokeFont* font = fghStrokeByID( fontID );
SFG_StrokeFont* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeLength" );
font = fghStrokeByID( fontID );
freeglut_return_val_if_fail( font, 0 );
if ( !string || ! *string )
return 0;
while( ( c = *string++ ) )
while( c = *string++ )
if( c < font->Quantity )
{
if( c == '\n' ) /* EOL; reset the length of this line */
@ -364,7 +374,9 @@ int FGAPIENTRY glutStrokeLength( void* fontID, const unsigned char* string )
*/
GLfloat FGAPIENTRY glutStrokeHeight( void* fontID )
{
SFG_StrokeFont* font = fghStrokeByID( fontID );
SFG_StrokeFont* font;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutStrokeHeight" );
font = fghStrokeByID( fontID );
freeglut_return_val_if_fail( font, 0.0 );
return font->Height;
}

9
freeglut/freeglut/src/freeglut_gamemode.c
View File

@ -360,6 +360,8 @@ void FGAPIENTRY glutGameModeString( const char* string )
{
int width = 640, height = 480, depth = 16, refresh = 72;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGameModeString" );
/*
* This one seems a bit easier than glutInitDisplayString. The bad thing
* about it that I was unable to find the game mode string definition, so
@ -391,6 +393,8 @@ void FGAPIENTRY glutGameModeString( const char* string )
*/
int FGAPIENTRY glutEnterGameMode( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutEnterGameMode" );
if( fgStructure.GameMode )
fgAddToWindowDestroyList( fgStructure.GameMode );
else
@ -509,12 +513,13 @@ int FGAPIENTRY glutEnterGameMode( void )
*/
void FGAPIENTRY glutLeaveGameMode( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLeaveGameMode" );
freeglut_return_if_fail( fgStructure.GameMode );
fgStructure.GameMode->State.IsGameMode = GL_FALSE;
fgAddToWindowDestroyList( fgStructure.GameMode );
fgStructure.GameMode = NULL;
#if TARGET_HOST_UNIX_X11
@ -532,6 +537,8 @@ void FGAPIENTRY glutLeaveGameMode( void )
*/
int FGAPIENTRY glutGameModeGet( GLenum eWhat )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGameModeGet" );
switch( eWhat )
{
case GLUT_GAME_MODE_ACTIVE:

54
freeglut/freeglut/src/freeglut_geometry.c
View File

@ -72,6 +72,8 @@ void FGAPIENTRY glutWireCube( GLdouble dSize )
{
double size = dSize * 0.5;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireCube" );
# define V(a,b,c) glVertex3d( a size, b size, c size );
# define N(a,b,c) glNormal3d( a, b, c );
@ -94,6 +96,8 @@ void FGAPIENTRY glutSolidCube( GLdouble dSize )
{
double size = dSize * 0.5;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidCube" );
# define V(a,b,c) glVertex3d( a size, b size, c size );
# define N(a,b,c) glNormal3d( a, b, c );
@ -180,6 +184,9 @@ void FGAPIENTRY glutSolidSphere(GLdouble radius, GLint slices, GLint stacks)
double *sint1,*cost1;
double *sint2,*cost2;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidSphere" );
fghCircleTable(&sint1,&cost1,-slices);
fghCircleTable(&sint2,&cost2,stacks*2);
@ -265,6 +272,9 @@ void FGAPIENTRY glutWireSphere(GLdouble radius, GLint slices, GLint stacks)
double *sint1,*cost1;
double *sint2,*cost2;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireSphere" );
fghCircleTable(&sint1,&cost1,-slices );
fghCircleTable(&sint2,&cost2, stacks*2);
@ -339,6 +349,9 @@ void FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLi
/* Pre-computed circle */
double *sint,*cost;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidCone" );
fghCircleTable(&sint,&cost,-slices);
/* Cover the circular base with a triangle fan... */
@ -423,6 +436,9 @@ void FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLin
/* Pre-computed circle */
double *sint,*cost;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireCone" );
fghCircleTable(&sint,&cost,-slices);
/* Draw the stacks... */
@ -480,6 +496,9 @@ void FGAPIENTRY glutSolidCylinder(GLdouble radius, GLdouble height, GLint slices
/* Pre-computed circle */
double *sint,*cost;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidCylinder" );
fghCircleTable(&sint,&cost,-slices);
/* Cover the base and top */
@ -541,6 +560,9 @@ void FGAPIENTRY glutWireCylinder(GLdouble radius, GLdouble height, GLint slices,
/* Pre-computed circle */
double *sint,*cost;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireCylinder" );
fghCircleTable(&sint,&cost,-slices);
/* Draw the stacks... */
@ -591,6 +613,9 @@ void FGAPIENTRY glutWireTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GLi
double *vertex, *normal;
int i, j;
double spsi, cpsi, sphi, cphi ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireTorus" );
if ( nSides < 1 ) nSides = 1;
if ( nRings < 1 ) nRings = 1;
@ -669,6 +694,9 @@ void FGAPIENTRY glutSolidTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GL
double *vertex, *normal;
int i, j;
double spsi, cpsi, sphi, cphi ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidTorus" );
if ( nSides < 1 ) nSides = 1;
if ( nRings < 1 ) nRings = 1;
@ -738,6 +766,8 @@ void FGAPIENTRY glutSolidTorus( GLdouble dInnerRadius, GLdouble dOuterRadius, GL
*/
void FGAPIENTRY glutWireDodecahedron( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireDodecahedron" );
/* Magic Numbers: It is possible to create a dodecahedron by attaching two pentagons to each face of
* of a cube. The coordinates of the points are:
* (+-x,0, z); (+-1, 1, 1); (0, z, x )
@ -789,6 +819,8 @@ void FGAPIENTRY glutWireDodecahedron( void )
*/
void FGAPIENTRY glutSolidDodecahedron( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidDodecahedron" );
/* Magic Numbers: It is possible to create a dodecahedron by attaching two pentagons to each face of
* of a cube. The coordinates of the points are:
* (+-x,0, z); (+-1, 1, 1); (0, z, x )
@ -840,6 +872,8 @@ void FGAPIENTRY glutSolidDodecahedron( void )
*/
void FGAPIENTRY glutWireOctahedron( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireOctahedron" );
#define RADIUS 1.0f
glBegin( GL_LINE_LOOP );
glNormal3d( 0.577350269189, 0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
@ -859,6 +893,8 @@ void FGAPIENTRY glutWireOctahedron( void )
*/
void FGAPIENTRY glutSolidOctahedron( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidOctahedron" );
#define RADIUS 1.0f
glBegin( GL_TRIANGLES );
glNormal3d( 0.577350269189, 0.577350269189, 0.577350269189); glVertex3d( RADIUS, 0.0, 0.0 ); glVertex3d( 0.0, RADIUS, 0.0 ); glVertex3d( 0.0, 0.0, RADIUS );
@ -900,6 +936,8 @@ static GLint tet_i[4][3] = /* Vertex indices */
*/
void FGAPIENTRY glutWireTetrahedron( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireTetrahedron" );
glBegin( GL_LINE_LOOP ) ;
glNormal3d ( -tet_r[0][0], -tet_r[0][1], -tet_r[0][2] ) ; glVertex3dv ( tet_r[1] ) ; glVertex3dv ( tet_r[3] ) ; glVertex3dv ( tet_r[2] ) ;
glNormal3d ( -tet_r[1][0], -tet_r[1][1], -tet_r[1][2] ) ; glVertex3dv ( tet_r[0] ) ; glVertex3dv ( tet_r[2] ) ; glVertex3dv ( tet_r[3] ) ;
@ -913,6 +951,8 @@ void FGAPIENTRY glutWireTetrahedron( void )
*/
void FGAPIENTRY glutSolidTetrahedron( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidTetrahedron" );
glBegin( GL_TRIANGLES ) ;
glNormal3d ( -tet_r[0][0], -tet_r[0][1], -tet_r[0][2] ) ; glVertex3dv ( tet_r[1] ) ; glVertex3dv ( tet_r[3] ) ; glVertex3dv ( tet_r[2] ) ;
glNormal3d ( -tet_r[1][0], -tet_r[1][1], -tet_r[1][2] ) ; glVertex3dv ( tet_r[0] ) ; glVertex3dv ( tet_r[2] ) ; glVertex3dv ( tet_r[3] ) ;
@ -936,6 +976,9 @@ int icos_v [20][3] = { { 0, 1, 2 }, { 0, 2, 3 }, { 0, 3, 4 }, { 0, 4, 5 }, { 0,
void FGAPIENTRY glutWireIcosahedron( void )
{
int i ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireIcosahedron" );
for ( i = 0; i < 20; i++ )
{
double normal[3] ;
@ -958,6 +1001,8 @@ void FGAPIENTRY glutSolidIcosahedron( void )
{
int i ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidIcosahedron" );
glBegin ( GL_TRIANGLES ) ;
for ( i = 0; i < 20; i++ )
{
@ -994,6 +1039,9 @@ double rdod_n[12][3] = {
void FGAPIENTRY glutWireRhombicDodecahedron( void )
{
int i ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireRhombicDodecahedron" );
for ( i = 0; i < 12; i++ )
{
glBegin ( GL_LINE_LOOP ) ;
@ -1013,6 +1061,8 @@ void FGAPIENTRY glutSolidRhombicDodecahedron( void )
{
int i ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidRhombicDodecahedron" );
glBegin ( GL_QUADS ) ;
for ( i = 0; i < 12; i++ )
{
@ -1030,6 +1080,8 @@ void FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLdouble offset[3], G
{
int i, j ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireSierpinskiSponge" );
if ( num_levels == 0 )
{
@ -1067,6 +1119,8 @@ void FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLdouble offset[3],
{
int i, j ;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidSierpinskiSponge" );
if ( num_levels == 0 )
{
glBegin ( GL_TRIANGLES ) ;

16
freeglut/freeglut/src/freeglut_init.c
View File

@ -183,7 +183,7 @@ static void fghInitialize( const char* displayName )
/* Register the window class */
atom = RegisterClass( &wc );
assert( atom );
FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Not Registered", "fghInitialize" );
}
/* The screen dimensions can be obtained via GetSystemMetrics() calls */
@ -219,8 +219,6 @@ void fgDeinitialize( void )
return;
}
/* fgState.Initialised = GL_FALSE; */
/* If there was a menu created, destroy the rendering context */
if( fgStructure.MenuContext )
{
@ -230,13 +228,13 @@ void fgDeinitialize( void )
fgDestroyStructure( );
while( ( timer = fgState.Timers.First ) )
while( timer = fgState.Timers.First )
{
fgListRemove( &fgState.Timers, &timer->Node );
free( timer );
}
while( ( timer = fgState.FreeTimers.First) )
while( timer = fgState.FreeTimers.First )
{
fgListRemove( &fgState.FreeTimers, &timer->Node );
free( timer );
@ -311,6 +309,8 @@ void fgDeinitialize( void )
XCloseDisplay( fgDisplay.Display );
#endif
fgState.Initialised = GL_FALSE;
}
/*
@ -620,13 +620,9 @@ void FGAPIENTRY glutInit( int* pargc, char** argv )
if (geometry )
{
unsigned int parsedWidth, parsedHeight;
int mask = XParseGeometry( geometry,
&fgState.Position.X, &fgState.Position.Y,
&parsedWidth, &parsedHeight );
/* TODO: Check for overflow? */
fgState.Size.X = parsedWidth;
fgState.Size.Y = parsedHeight;
&fgState.Size.X, &fgState.Size.Y );
if( (mask & (WidthValue|HeightValue)) == (WidthValue|HeightValue) )
fgState.Size.Use = GL_TRUE;

25
freeglut/freeglut/src/freeglut_internal.h
View File

@ -69,7 +69,6 @@
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <assert.h>
#include <stdarg.h>
#if TARGET_HOST_UNIX_X11
#include <unistd.h>
@ -634,7 +633,26 @@ extern SFG_State fgState;
* A call to this function makes us sure that the Display and Structure
* subsystems have been properly initialized and are ready to be used
*/
#define freeglut_assert_ready assert( fgState.Initialised );
#define FREEGLUT_EXIT_IF_NOT_INITIALISED( string ) \
if ( ! fgState.Initialised ) \
{ \
fgError ( " ERROR: Function <%s> called" \
" without first calling 'glutInit'.", (string) ) ; \
}
#define FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED( string ) \
if ( ! fgState.Initialised ) \
{ \
fgError ( " ERROR: Internal <%s> function called" \
" without first calling 'glutInit'.", (string) ) ; \
}
#define FREEGLUT_INTERNAL_ERROR_EXIT( cond, string, function ) \
if ( ! ( cond ) ) \
{ \
fgError ( " ERROR: Internal error <%s> in function %s", \
(string), (function) ) ; \
}
/*
* Following definitions are somewhat similiar to GLib's,
@ -649,9 +667,8 @@ extern SFG_State fgState;
/*
* A call to those macros assures us that there is a current
* window and menu set, respectively:
* window set, respectively:
*/
#define freeglut_assert_menu assert( fgStructure.Menu != NULL );
#define FREEGLUT_EXIT_IF_NO_WINDOW( string ) \
if ( ! fgStructure.Window ) \
{ \

17
freeglut/freeglut/src/freeglut_joystick.c
View File

@ -925,7 +925,9 @@ static void fghJoystickElementEnumerator ( SFG_Joystick *joy, void *element, voi
/** element enumerator function : pass NULL for top-level*/
static void fghJoystickEnumerateElements ( SFG_Joystick *joy, CFTypeRef element )
{
assert(CFGetTypeID(element) == CFArrayGetTypeID());
FREEGLUT_INTERNAL_ERROR_EXIT( (CFGetTypeID(element) == CFArrayGetTypeID(),
"Joystick element type mismatch",
"fghJoystickEnumerateElements" );
CFRange range = {0, CFArrayGetCount ((CFArrayRef)element)};
CFArrayApplyFunction((CFArrayRef) element, range,
@ -1763,63 +1765,76 @@ int fgJoystickDetect( void )
*/
int glutJoystickGetNumAxes( int ident )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetNumAxes" );
return fgJoystick[ ident ]->num_axes;
}
int glutJoystickGetNumButtons( int ident )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetNumButtons" );
return fgJoystick[ ident ]->num_buttons;
}
int glutJoystickNotWorking( int ident )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickNotWorking" );
return fgJoystick[ ident ]->error;
}
float glutJoystickGetDeadBand( int ident, int axis )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetDeadBand" );
return fgJoystick[ ident ]->dead_band [ axis ];
}
void glutJoystickSetDeadBand( int ident, int axis, float db )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetDeadBand" );
fgJoystick[ ident ]->dead_band[ axis ] = db;
}
float glutJoystickGetSaturation( int ident, int axis )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetSaturation" );
return fgJoystick[ ident ]->saturate[ axis ];
}
void glutJoystickSetSaturation( int ident, int axis, float st )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetSaturation" );
fgJoystick[ ident ]->saturate [ axis ] = st;
}
void glutJoystickSetMinRange( int ident, float *axes )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetMinRange" );
memcpy( fgJoystick[ ident ]->min, axes,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickSetMaxRange( int ident, float *axes )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetMaxRange" );
memcpy( fgJoystick[ ident ]->max, axes,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickSetCenter( int ident, float *axes )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickSetCenter" );
memcpy( fgJoystick[ ident ]->center, axes,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickGetMinRange( int ident, float *axes )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetMinRange" );
memcpy( axes, fgJoystick[ ident ]->min,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickGetMaxRange( int ident, float *axes )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetMaxRange" );
memcpy( axes, fgJoystick[ ident ]->max,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}
void glutJoystickGetCenter( int ident, float *axes )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutJoystickGetCenter" );
memcpy( axes, fgJoystick[ ident ]->center,
fgJoystick[ ident ]->num_axes * sizeof( float ) );
}

58
freeglut/freeglut/src/freeglut_main.c
View File

@ -402,6 +402,7 @@ static void fghCheckJoystickCallback( SFG_Window* w, SFG_Enumerator* e)
static int fghHaveJoystick( void )
{
SFG_Enumerator enumerator;
enumerator.found = GL_FALSE;
enumerator.data = NULL;
fgEnumWindows( fghCheckJoystickCallback, &enumerator );
@ -419,6 +420,7 @@ static void fghHavePendingRedisplaysCallback( SFG_Window* w, SFG_Enumerator* e)
static int fghHavePendingRedisplays (void)
{
SFG_Enumerator enumerator;
enumerator.found = GL_FALSE;
enumerator.data = NULL;
fgEnumWindows( fghHavePendingRedisplaysCallback, &enumerator );
@ -478,7 +480,7 @@ static void fghSleepForEvents( void )
wait.tv_usec = (msec % 1000) * 1000;
err = select( socket+1, &fdset, NULL, NULL, &wait );
if( ( -1 == err ) && ( errno != EINTR ) )
if( -1 == err )
fgWarning ( "freeglut select() error: %d", errno );
}
#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
@ -527,7 +529,7 @@ void FGAPIENTRY glutMainLoopEvent( void )
window->State.MouseX = event.a.x; \
window->State.MouseY = event.a.y;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
while( XPending( fgDisplay.Display ) )
{
@ -944,9 +946,7 @@ void FGAPIENTRY glutMainLoopEvent( void )
special_cb = FETCH_WCB( *window, SpecialUp );
}
/*
* Is there a keyboard/special callback hooked for this window?
*/
/* Is there a keyboard/special callback hooked for this window? */
if( keyboard_cb || special_cb )
{
XComposeStatus composeStatus;
@ -954,21 +954,15 @@ void FGAPIENTRY glutMainLoopEvent( void )
KeySym keySym;
int len;
/*
* Check for the ASCII/KeySym codes associated with the event:
*/
/* Check for the ASCII/KeySym codes associated with the event: */
len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
&keySym, &composeStatus
);
/*
* GLUT API tells us to have two separate callbacks...
*/
/* GLUT API tells us to have two separate callbacks... */
if( len > 0 )
{
/*
* ...one for the ASCII translateable keypresses...
*/
/* ...one for the ASCII translateable keypresses... */
if( keyboard_cb )
{
fgSetWindow( window );
@ -1048,6 +1042,8 @@ void FGAPIENTRY glutMainLoopEvent( void )
MSG stMsg;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
{
if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
@ -1088,7 +1084,7 @@ void FGAPIENTRY glutMainLoop( void )
SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ;
#endif
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoop" );
#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
/*
@ -1158,6 +1154,7 @@ void FGAPIENTRY glutMainLoop( void )
*/
void FGAPIENTRY glutLeaveMainLoop( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLeaveMainLoop" );
fgState.ExecState = GLUT_EXEC_STATE_STOP ;
}
@ -1183,10 +1180,14 @@ static int fghGetWin32Modifiers (void)
LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam )
{
SFG_Window* window = fgWindowByHandle( hWnd );
SFG_Window* window;
PAINTSTRUCT ps;
LONG lRet = 1;
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
window = fgWindowByHandle( hWnd );
if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
return DefWindowProc( hWnd, uMsg, wParam, lParam );
@ -1197,7 +1198,8 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
case WM_CREATE:
/* The window structure is passed as the creation structure paramter... */
window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
assert( window != NULL );
FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
"fgWindowProc" );
window->Window.Handle = hWnd;
window->Window.Device = GetDC( hWnd );
@ -1311,7 +1313,7 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
* XXX function (or perhaps invoke glutSetCursor())?
* XXX That is, why are we duplicating code, here, from
* XXX glutSetCursor()? The WIN32 code should be able to just
* XXX call glutSetCurdsor() instead of defining two macros
* XXX call glutSetCursor() instead of defining two macros
* XXX and implementing a nested case in-line.
*/
case WM_SETCURSOR:
@ -1666,9 +1668,7 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
window->State.MouseX = mouse_pos.x;
window->State.MouseY = mouse_pos.y;
/*
* Convert the Win32 keystroke codes to GLUTtish way
*/
/* Convert the Win32 keystroke codes to GLUTtish way */
# define KEY(a,b) case a: keypress = b; break;
switch( wParam )
@ -1696,9 +1696,7 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
KEY( VK_INSERT, GLUT_KEY_INSERT );
case VK_DELETE:
/*
* The delete key should be treated as an ASCII keypress:
*/
/* The delete key should be treated as an ASCII keypress: */
INVOKE_WCB( *window, Keyboard,
( 127, window->State.MouseX, window->State.MouseY )
);
@ -1784,9 +1782,7 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
KEY( VK_INSERT, GLUT_KEY_INSERT );
case VK_DELETE:
/*
* The delete key should be treated as an ASCII keypress:
*/
/* The delete key should be treated as an ASCII keypress: */
INVOKE_WCB( *window, KeyboardUp,
( 127, window->State.MouseX, window->State.MouseY )
);
@ -1843,9 +1839,7 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
/*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
break;
/*
* Other messages that I have seen and which are not handled already
*/
/* Other messages that I have seen and which are not handled already */
case WM_SETTEXT: /* 0x000c */
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
/* Pass it on to "DefWindowProc" to set the window text */
@ -1964,9 +1958,7 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
break;
default:
/*
* Handle unhandled messages
*/
/* Handle unhandled messages */
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
break;
}

58
freeglut/freeglut/src/freeglut_menu.c
View File

@ -164,7 +164,8 @@ static GLboolean fghCheckMenuStatus( SFG_Window* window, SFG_Menu* menu )
/* The mouse cursor is somewhere over our box, check it out. */
menuEntry = fghFindMenuEntry( menu, menuID + 1 );
assert( menuEntry );
FREEGLUT_INTERNAL_ERROR_EXIT( menuEntry, "Cannot find menu entry",
"fghCheckMenuStatus" );
menuEntry->IsActive = GL_TRUE;
menuEntry->Ordinal = menuID;
@ -394,7 +395,8 @@ void fgDisplayMenu( void )
SFG_Window* window = fgStructure.Window;
SFG_Menu* menu = NULL;
freeglut_return_if_fail ( fgStructure.Window != NULL );
FREEGLUT_INTERNAL_ERROR_EXIT ( fgStructure.Window, "Displaying menu in nonexistent window",
"fgDisplayMenu" );
/* Check if there is an active menu attached to this window... */
menu = window->ActiveMenu;
@ -588,7 +590,6 @@ void fghCalculateMenuBoxSize( void )
int width = 0, height = 0;
/* Make sure there is a current menu set */
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu );
/* The menu's box size depends on the menu entries: */
@ -633,6 +634,7 @@ void fghCalculateMenuBoxSize( void )
int FGAPIENTRY glutCreateMenu( void(* callback)( int ) )
{
/* The menu object creation code resides in freeglut_structure.c */
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateMenu" );
return fgCreateMenu( callback )->ID;
}
@ -641,9 +643,11 @@ int FGAPIENTRY glutCreateMenu( void(* callback)( int ) )
*/
void FGAPIENTRY glutDestroyMenu( int menuID )
{
SFG_Menu* menu = fgMenuByID( menuID );
SFG_Menu* menu;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDestroyMenu" );
menu = fgMenuByID( menuID );
freeglut_assert_ready;
freeglut_return_if_fail( menu );
/* The menu object destruction code resides in freeglut_structure.c */
@ -655,7 +659,7 @@ void FGAPIENTRY glutDestroyMenu( int menuID )
*/
int FGAPIENTRY glutGetMenu( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetMenu" );
if( fgStructure.Menu )
return fgStructure.Menu->ID;
@ -668,9 +672,11 @@ int FGAPIENTRY glutGetMenu( void )
*/
void FGAPIENTRY glutSetMenu( int menuID )
{
SFG_Menu* menu = fgMenuByID( menuID );
SFG_Menu* menu;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetMenu" );
menu = fgMenuByID( menuID );
freeglut_assert_ready;
freeglut_return_if_fail( menu );
fgStructure.Menu = menu;
@ -681,10 +687,9 @@ void FGAPIENTRY glutSetMenu( int menuID )
*/
void FGAPIENTRY glutAddMenuEntry( const char* label, int value )
{
SFG_MenuEntry* menuEntry =
(SFG_MenuEntry *)calloc( sizeof(SFG_MenuEntry), 1 );
freeglut_assert_ready;
SFG_MenuEntry* menuEntry;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutAddMenuEntry" );
menuEntry = (SFG_MenuEntry *)calloc( sizeof(SFG_MenuEntry), 1 );
freeglut_return_if_fail( fgStructure.Menu );
menuEntry->Text = strdup( label );
@ -701,11 +706,13 @@ void FGAPIENTRY glutAddMenuEntry( const char* label, int value )
*/
void FGAPIENTRY glutAddSubMenu( const char *label, int subMenuID )
{
SFG_MenuEntry *menuEntry =
( SFG_MenuEntry * )calloc( sizeof( SFG_MenuEntry ), 1 );
SFG_Menu *subMenu = fgMenuByID( subMenuID );
SFG_MenuEntry *menuEntry;
SFG_Menu *subMenu;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutAddSubMenu" );
menuEntry = ( SFG_MenuEntry * )calloc( sizeof( SFG_MenuEntry ), 1 );
subMenu = fgMenuByID( subMenuID );
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu );
freeglut_return_if_fail( subMenu );
@ -727,7 +734,7 @@ void FGAPIENTRY glutChangeToMenuEntry( int item, const char* label, int value )
{
SFG_MenuEntry* menuEntry = NULL;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutChangeToMenuEntry" );
freeglut_return_if_fail( fgStructure.Menu );
/* Get n-th menu entry in the current menu, starting from one: */
@ -751,10 +758,13 @@ void FGAPIENTRY glutChangeToMenuEntry( int item, const char* label, int value )
void FGAPIENTRY glutChangeToSubMenu( int item, const char* label,
int subMenuID )
{
SFG_Menu* subMenu = fgMenuByID( subMenuID );
SFG_MenuEntry* menuEntry = NULL;
SFG_Menu* subMenu;
SFG_MenuEntry* menuEntry;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutChangeToSubMenu" );
subMenu = fgMenuByID( subMenuID );
menuEntry = NULL;
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu );
freeglut_return_if_fail( subMenu );
@ -780,7 +790,7 @@ void FGAPIENTRY glutRemoveMenuItem( int item )
{
SFG_MenuEntry* menuEntry;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutRemoveMenuItem" );
freeglut_return_if_fail( fgStructure.Menu );
/* Get n-th menu entry in the current menu, starting from one: */
@ -801,7 +811,7 @@ void FGAPIENTRY glutRemoveMenuItem( int item )
*/
void FGAPIENTRY glutAttachMenu( int button )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutAttachMenu" );
freeglut_return_if_fail( fgStructure.Window );
freeglut_return_if_fail( fgStructure.Menu );
@ -820,7 +830,7 @@ void FGAPIENTRY glutAttachMenu( int button )
*/
void FGAPIENTRY glutDetachMenu( int button )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDetachMenu" );
freeglut_return_if_fail( fgStructure.Window );
freeglut_return_if_fail( fgStructure.Menu );
@ -836,11 +846,13 @@ void FGAPIENTRY glutDetachMenu( int button )
*/
void* FGAPIENTRY glutGetMenuData( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetMenuData" );
return fgStructure.Menu->UserData;
}
void FGAPIENTRY glutSetMenuData(void* data)
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetMenuData" );
fgStructure.Menu->UserData=data;
}

12
freeglut/freeglut/src/freeglut_misc.c
View File

@ -54,7 +54,7 @@ int FGAPIENTRY glutExtensionSupported( const char* extension )
const int len = strlen( extension );
/* Make sure there is a current window, and thus a current context available */
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutExtensionSupported" );
freeglut_return_val_if_fail( fgStructure.Window != NULL, 0 );
if (strchr(extension, ' '))
@ -86,6 +86,7 @@ int FGAPIENTRY glutExtensionSupported( const char* extension )
void FGAPIENTRY glutReportErrors( void )
{
GLenum error;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReportErrors" );
while( ( error = glGetError() ) != GL_NO_ERROR )
fgWarning( "GL error: %s", gluErrorString( error ) );
}
@ -95,7 +96,7 @@ void FGAPIENTRY glutReportErrors( void )
*/
void FGAPIENTRY glutIgnoreKeyRepeat( int ignore )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIgnoreKeyRepeat" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIgnoreKeyRepeat" );
fgStructure.Window->State.IgnoreKeyRepeat = ignore ? GL_TRUE : GL_FALSE;
@ -111,7 +112,7 @@ void FGAPIENTRY glutIgnoreKeyRepeat( int ignore )
*/
void FGAPIENTRY glutSetKeyRepeat( int repeatMode )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetKeyRepeat" );
switch( repeatMode )
{
@ -135,8 +136,8 @@ void FGAPIENTRY glutSetKeyRepeat( int repeatMode )
*/
void FGAPIENTRY glutForceJoystickFunc( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutForceJoystickFunc" );
#if !TARGET_HOST_WINCE
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Window != NULL );
freeglut_return_if_fail( FETCH_WCB( *( fgStructure.Window ), Joystick ) );
fgJoystickPollWindow( fgStructure.Window );
@ -148,6 +149,7 @@ void FGAPIENTRY glutForceJoystickFunc( void )
*/
void FGAPIENTRY glutSetColor( int nColor, GLfloat red, GLfloat green, GLfloat blue )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetColor" );
/* We really need to do something here. */
}
@ -156,6 +158,7 @@ void FGAPIENTRY glutSetColor( int nColor, GLfloat red, GLfloat green, GLfloat bl
*/
GLfloat FGAPIENTRY glutGetColor( int color, int component )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetColor" );
/* We really need to do something here. */
return( 0.0f );
}
@ -165,6 +168,7 @@ GLfloat FGAPIENTRY glutGetColor( int color, int component )
*/
void FGAPIENTRY glutCopyColormap( int window )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCopyColormap" );
/* We really need to do something here. */
}

14
freeglut/freeglut/src/freeglut_state.c
View File

@ -72,7 +72,7 @@ static int fghGetConfig( int attribute )
*/
void FGAPIENTRY glutSetOption( GLenum eWhat, int value )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetOption" );
/*
* XXX In chronological code add order. (WHY in that order?)
@ -142,7 +142,7 @@ int FGAPIENTRY glutGet( GLenum eWhat )
return fgElapsedTime();
}
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGet" );
/* XXX In chronological code add order. (WHY in that order?) */
switch( eWhat )
@ -465,7 +465,7 @@ int FGAPIENTRY glutGet( GLenum eWhat )
*/
int FGAPIENTRY glutDeviceGet( GLenum eWhat )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDeviceGet" );
/* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
@ -537,7 +537,7 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
case GLUT_JOYSTICK_POLL_RATE:
return fgStructure.Window ? fgStructure.Window->State.JoystickPollRate : 0;
/* The following two are only for Joystick 0 but this is an improvement */
/* XXX The following two are only for Joystick 0 but this is an improvement */
case GLUT_JOYSTICK_BUTTONS:
return glutJoystickGetNumButtons ( 0 );
@ -559,7 +559,8 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
return fgStructure.Window ? fgStructure.Window->State.IgnoreKeyRepeat : 0;
case GLUT_DEVICE_KEY_REPEAT:
return fgState.KeyRepeat;
/* XXX WARNING: THIS IS A BIG LIE! */
return GLUT_KEY_REPEAT_DEFAULT;
default:
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
@ -575,6 +576,7 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
*/
int FGAPIENTRY glutGetModifiers( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetModifiers" );
if( fgState.Modifiers == 0xffffffff )
{
fgWarning( "glutGetModifiers() called outside an input callback" );
@ -589,7 +591,7 @@ int FGAPIENTRY glutGetModifiers( void )
*/
int FGAPIENTRY glutLayerGet( GLenum eWhat )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLayerGet" );
/*
* This is easy as layers are not implemented ;-)

37
freeglut/freeglut/src/freeglut_structure.c
View File

@ -79,13 +79,6 @@ SFG_Window* fgCreateWindow( SFG_Window* parent, const char* title,
fghClearCallBacks( window );
/*
* If the freeglut internals haven't been initialized yet,
* do it now. Hack's idea courtesy of Chris Purnell...
*/
if( !fgState.Initialised )
glutInit( &fakeArgc, NULL );
/* Initialize the object properties */
window->ID = ++fgStructure.WindowID;
window->State.OldHeight = window->State.OldWidth = -1;
@ -129,13 +122,6 @@ SFG_Menu* fgCreateMenu( FGCBMenu menuCallback )
SFG_Menu* menu = (SFG_Menu *)calloc( sizeof(SFG_Menu), 1 );
int fakeArgc = 0;
/*
* If the freeglut internals haven't been initialized yet,
* do it now. Hack's idea courtesy of Chris Purnell...
*/
if( !fgState.Initialised )
glutInit( &fakeArgc, NULL );
menu->ParentWindow = fgStructure.Window;
/* Create a window for the menu to reside in. */
@ -215,8 +201,8 @@ void fgDestroyWindow( SFG_Window* window )
{
int menu_index;
assert( window );
freeglut_assert_ready;
FREEGLUT_INTERNAL_ERROR_EXIT ( window, "Window destroy function called with null window",
"fgDestroyWindow" );
while( window->Children.First )
fgDestroyWindow( ( SFG_Window * )window->Children.First );
@ -294,8 +280,8 @@ void fgDestroyMenu( SFG_Menu* menu )
SFG_Window *window;
SFG_Menu *from;
assert( menu );
freeglut_assert_ready;
FREEGLUT_INTERNAL_ERROR_EXIT ( menu, "Menu destroy function called with null menu",
"fgDestroyMenu" );
/* First of all, have all references to this menu removed from all windows: */
for( window = (SFG_Window *)fgStructure.Windows.First;
@ -374,8 +360,6 @@ void fgCreateStructure( void )
*/
void fgDestroyStructure( void )
{
freeglut_assert_ready;
/* Clean up the WindowsToDestroy list. */
fgCloseWindows( );
@ -394,8 +378,9 @@ void fgEnumWindows( FGCBenumerator enumCallback, SFG_Enumerator* enumerator )
{
SFG_Window *window;
assert( enumCallback && enumerator );
freeglut_assert_ready;
FREEGLUT_INTERNAL_ERROR_EXIT ( enumCallback && enumerator,
"Enumerator or callback missing from window enumerator call",
"fgEnumWindows" );
/* Check every of the top-level windows */
for( window = ( SFG_Window * )fgStructure.Windows.First;
@ -417,8 +402,10 @@ void fgEnumSubWindows( SFG_Window* window, FGCBenumerator enumCallback,
{
SFG_Window *child;
assert( enumCallback && enumerator );
freeglut_assert_ready;
FREEGLUT_INTERNAL_ERROR_EXIT ( enumCallback && enumerator,
"Enumerator or callback missing from subwindow enumerator call",
"fgEnumSubWindows" );
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Window Enumeration" );
for( child = ( SFG_Window * )window->Children.First;
child;
@ -519,8 +506,6 @@ SFG_Menu* fgMenuByID( int menuID )
{
SFG_Menu *menu = NULL;
freeglut_assert_ready;
/* It's enough to check all entries in fgStructure.Menus... */
for( menu = (SFG_Menu *)fgStructure.Menus.First;
menu;

2
freeglut/freeglut/src/freeglut_teapot.c
View File

@ -182,6 +182,7 @@ static void fghTeapot( GLint grid, GLdouble scale, GLenum type )
*/
void FGAPIENTRY glutWireTeapot( GLdouble size )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutWireTeapot" );
/* We will use the general teapot rendering code */
fghTeapot( 10, size, GL_LINE );
}
@ -191,6 +192,7 @@ void FGAPIENTRY glutWireTeapot( GLdouble size )
*/
void FGAPIENTRY glutSolidTeapot( GLdouble size )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSolidTeapot" );
/* We will use the general teapot rendering code */
fghTeapot( 7, size, GL_FILL );
}

1
freeglut/freeglut/src/freeglut_teapot_data.h
View File

@ -2426,3 +2426,4 @@ static double tex[2][2][2] =
#endif /* FREEGLUT_TEAPOT_DATA_H */

61
freeglut/freeglut/src/freeglut_window.c
View File

@ -275,8 +275,6 @@ void fgOpenWindow( SFG_Window* window, const char* title,
XWMHints wmHints;
unsigned long mask;
freeglut_assert_ready;
/*
* XXX fgChooseVisual() is a common part of all three.
* XXX With a little thought, we should be able to greatly
@ -315,14 +313,8 @@ void fgOpenWindow( SFG_Window* window, const char* title,
*/
}
/*
* XXX This seems to be abusing an assert() for error-checking.
* XXX It is possible that the visual simply can't be found,
* XXX in which case we should print an error and return a 0
* XXX for the window id, I think.
*/
assert( window->Window.VisualInfo != NULL );
FREEGLUT_INTERNAL_ERROR_EXIT( window->Window.VisualInfo != NULL,
"Unable to get window visual info", "fgOpenWindow" );
/*
* XXX HINT: the masks should be updated when adding/removing callbacks.
@ -336,7 +328,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
*/
winAttr.event_mask =
StructureNotifyMask | SubstructureNotifyMask | ExposureMask |
ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyRelease |
VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
PointerMotionMask | ButtonMotionMask;
winAttr.background_pixmap = None;
@ -488,15 +480,16 @@ void fgOpenWindow( SFG_Window* window, const char* title,
DWORD exFlags = 0;
ATOM atom;
freeglut_assert_ready;
/* Grab the window class we have registered on glutInit(): */
atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
assert( atom != 0 );
FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found",
"fgOpenWindow" );
if( gameMode )
{
assert( window->Parent == NULL );
FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL,
"Game mode being invoked on a subwindow",
"fgOpenWindow" );
/*
* Set the window creation flags appropriately to make the window
@ -620,8 +613,6 @@ void fgOpenWindow( SFG_Window* window, const char* title,
*/
void fgCloseWindow( SFG_Window* window )
{
freeglut_assert_ready;
#if TARGET_HOST_UNIX_X11
glXDestroyContext( fgDisplay.Display, window->Window.Context );
@ -667,6 +658,8 @@ void fgCloseWindow( SFG_Window* window )
*/
int FGAPIENTRY glutCreateWindow( const char* title )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateWindow" );
return fgCreateWindow( NULL, title, fgState.Position.X, fgState.Position.Y,
fgState.Size.X, fgState.Size.Y, GL_FALSE,
GL_FALSE )->ID;
@ -681,7 +674,7 @@ int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
SFG_Window* window = NULL;
SFG_Window* parent = NULL;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateSubWindow" );
parent = fgWindowByID( parentID );
freeglut_return_val_if_fail( parent != NULL, 0 );
window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
@ -695,7 +688,9 @@ int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
*/
void FGAPIENTRY glutDestroyWindow( int windowID )
{
SFG_Window* window = fgWindowByID( windowID );
SFG_Window* window;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDestroyWindow" );
window = fgWindowByID( windowID );
freeglut_return_if_fail( window != NULL );
{
fgExecutionState ExecState = fgState.ExecState;
@ -711,7 +706,7 @@ void FGAPIENTRY glutSetWindow( int ID )
{
SFG_Window* window = NULL;
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindow" );
if( fgStructure.Window != NULL )
if( fgStructure.Window->ID == ID )
return;
@ -731,7 +726,7 @@ void FGAPIENTRY glutSetWindow( int ID )
*/
int FGAPIENTRY glutGetWindow( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindow" );
if( fgStructure.Window == NULL )
return 0;
return fgStructure.Window->ID;
@ -742,7 +737,7 @@ int FGAPIENTRY glutGetWindow( void )
*/
void FGAPIENTRY glutShowWindow( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutShowWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutShowWindow" );
#if TARGET_HOST_UNIX_X11
@ -764,7 +759,7 @@ void FGAPIENTRY glutShowWindow( void )
*/
void FGAPIENTRY glutHideWindow( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutHideWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutHideWindow" );
#if TARGET_HOST_UNIX_X11
@ -792,7 +787,7 @@ void FGAPIENTRY glutHideWindow( void )
*/
void FGAPIENTRY glutIconifyWindow( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIconifyWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIconifyWindow" );
fgStructure.Window->State.Visible = GL_FALSE;
@ -816,7 +811,7 @@ void FGAPIENTRY glutIconifyWindow( void )
*/
void FGAPIENTRY glutSetWindowTitle( const char* title )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowTitle" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowTitle" );
if( ! fgStructure.Window->Parent )
{
@ -858,7 +853,7 @@ void FGAPIENTRY glutSetWindowTitle( const char* title )
*/
void FGAPIENTRY glutSetIconTitle( const char* title )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetIconTitle" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetIconTitle" );
if( ! fgStructure.Window->Parent )
@ -901,7 +896,7 @@ void FGAPIENTRY glutSetIconTitle( const char* title )
*/
void FGAPIENTRY glutReshapeWindow( int width, int height )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutReshapeWindow" );
fgStructure.Window->State.NeedToResize = GL_TRUE;
@ -914,7 +909,7 @@ void FGAPIENTRY glutReshapeWindow( int width, int height )
*/
void FGAPIENTRY glutPositionWindow( int x, int y )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPositionWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPositionWindow" );
#if TARGET_HOST_UNIX_X11
@ -948,7 +943,7 @@ void FGAPIENTRY glutPositionWindow( int x, int y )
*/
void FGAPIENTRY glutPushWindow( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPushWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPushWindow" );
#if TARGET_HOST_UNIX_X11
@ -972,7 +967,7 @@ void FGAPIENTRY glutPushWindow( void )
*/
void FGAPIENTRY glutPopWindow( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPopWindow" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPopWindow" );
#if TARGET_HOST_UNIX_X11
@ -996,7 +991,7 @@ void FGAPIENTRY glutPopWindow( void )
*/
void FGAPIENTRY glutFullScreen( void )
{
freeglut_assert_ready;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" );
{
@ -1071,11 +1066,15 @@ void FGAPIENTRY glutFullScreen( void )
*/
void* FGAPIENTRY glutGetWindowData( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindowData" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutGetWindowData" );
return fgStructure.Window->UserData;
}
void FGAPIENTRY glutSetWindowData(void* data)
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowData" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowData" );
fgStructure.Window->UserData = data;
}