* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#define G_LOG_DOMAIN "freeglut-misc"
-
-#include "../include/GL/freeglut.h"
+#include <GL/freeglut.h>
#include "freeglut_internal.h"
/*
/*
* This functions checks if an OpenGL extension is supported or not
+ *
+ * XXX Wouldn't this be simpler and clearer if we used strtok()?
*/
int FGAPIENTRY glutExtensionSupported( const char* extension )
{
- const char *extensions;
- const char *ptr;
- int len = strlen ( extension ) ;
-
- /*
- * Make sure there is a current window, and thus -- a current context available
- */
- freeglut_assert_ready;
- freeglut_return_val_if_fail( fgStructure.Window != NULL, 0 );
+ const char *extensions, *start;
+ const int len = strlen( extension );
- /*
- * Note it is safe to query the extensions
- */
- extensions = glGetString(GL_EXTENSIONS);
+ /* Make sure there is a current window, and thus a current context available */
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutExtensionSupported" );
+ freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
- freeglut_return_val_if_fail( extensions != NULL, 0 );
+ if (strchr(extension, ' '))
+ return 0;
+ start = extensions = (const char *) glGetString(GL_EXTENSIONS);
- /*
- * Check if the extension itself looks valid
+ /* XXX consider printing a warning to stderr that there's no current
+ * rendering context.
*/
- if ( strchr ( extension, ' ' ) != NULL )
- return( 0 );
+ freeglut_return_val_if_fail( extensions != NULL, 0 );
- /*
- * Look for our extension
- */
- for (ptr = extensions; *ptr;)
- {
- /*
- * Is it the current extension?
- */
- if ( strncmp ( extension, extensions, len ) == 0 )
- return 1 ;
-
- /*
- * No, go find the next extension. They are separated from each other by one or more blank spaces.
- */
- ptr = strchr ( ptr + len, ' ' ) ;
-
- /*
- * If we ran off the end of the "extensions" character string, we didn't find it. Return failure.
- */
- if ( !ptr ) return 0 ;
-
- while ( *ptr == ' ' )
- ptr++ ;
+ while (1) {
+ const char *p = strstr(extensions, extension);
+ if (!p)
+ return 0; /* not found */
+ /* check that the match isn't a super string */
+ if ((p == start || p[-1] == ' ') && (p[len] == ' ' || p[len] == 0))
+ return 1;
+ /* skip the false match and continue */
+ extensions = p + len;
}
return 0 ;
*/
void FGAPIENTRY glutReportErrors( void )
{
- GLenum error = glGetError();
-
- /*
- * Keep reporting errors as long as there are any...
- */
- while( error != GL_NO_ERROR )
- {
- /*
- * Print the current error
- */
-# undef G_LOG_DOMAIN
-# define G_LOG_DOMAIN ((gchar *) 0)
-
+ GLenum error;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReportErrors" );
+ while( ( error = glGetError() ) != GL_NO_ERROR )
fgWarning( "GL error: %s", gluErrorString( error ) );
-
-# undef G_LOG_DOMAIN
-# define G_LOG_DOMAIN "freeglut_misc.c"
-
- /*
- * Grab the next error value
- */
- error = glGetError();
- };
}
/*
- * Turns the ignore key auto repeat feature on and off
+ * Control the auto-repeat of keystrokes to the current window
*/
-void FGAPIENTRY glutIgnoreKeyRepeat( int ignore ) /* DEPRECATED 11/4/02 - Do not use */
+void FGAPIENTRY glutIgnoreKeyRepeat( int ignore )
{
- /*
- * This is simple and not damaging...
- */
- fgState.IgnoreKeyRepeat = ignore ? TRUE : FALSE;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIgnoreKeyRepeat" );
+ FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIgnoreKeyRepeat" );
+
+ fgStructure.CurrentWindow->State.IgnoreKeyRepeat = ignore ? GL_TRUE : GL_FALSE;
}
/*
- * Hints the window system whether to generate key auto repeat, or not. This is evil.
+ * Set global auto-repeat of keystrokes
+ *
+ * RepeatMode should be either:
+ * GLUT_KEY_REPEAT_OFF
+ * GLUT_KEY_REPEAT_ON
+ * GLUT_KEY_REPEAT_DEFAULT
*/
void FGAPIENTRY glutSetKeyRepeat( int repeatMode )
{
-#if TARGET_HOST_UNIX_X11
-
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetKeyRepeat" );
- /*
- * This is really evil, but let's have this done.
- */
switch( repeatMode )
{
- case GLUT_KEY_REPEAT_OFF: XAutoRepeatOff( fgDisplay.Display ); break;
- case GLUT_KEY_REPEAT_ON: XAutoRepeatOn( fgDisplay.Display ); break;
+ case GLUT_KEY_REPEAT_OFF:
+ case GLUT_KEY_REPEAT_ON:
+ fgState.KeyRepeat = repeatMode;
+ break;
+
case GLUT_KEY_REPEAT_DEFAULT:
- {
- XKeyboardState keyboardState;
-
- /*
- * Query the current keyboard state
- */
- XGetKeyboardControl( fgDisplay.Display, &keyboardState );
-
- /*
- * Set the auto key repeat basing on the global settings
- */
- glutSetKeyRepeat(
- keyboardState.global_auto_repeat == AutoRepeatModeOn ?
- GLUT_KEY_REPEAT_ON : GLUT_KEY_REPEAT_OFF
- );
- }
- break;
+ fgState.KeyRepeat = GLUT_KEY_REPEAT_ON;
+ break;
default:
- /*
- * Whoops, this was not expected at all
- */
+ fgError ("Invalid glutSetKeyRepeat mode: %d", repeatMode);
break;
}
-
-#endif
}
/*
*/
void FGAPIENTRY glutForceJoystickFunc( void )
{
- freeglut_assert_ready;
-
- /*
- * Is there a current window selected?
- */
- freeglut_return_if_fail( fgStructure.Window != NULL );
-
- /*
- * Check if there is a joystick callback hooked to the current window
- */
- freeglut_return_if_fail( fgStructure.Window->Callbacks.Joystick != NULL );
-
- /*
- * Poll the joystick now, using the current window's joystick callback
- */
- fgJoystickPollWindow( fgStructure.Window );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutForceJoystickFunc" );
+#if !TARGET_HOST_WINCE
+ freeglut_return_if_fail( fgStructure.CurrentWindow != NULL );
+ freeglut_return_if_fail( FETCH_WCB( *( fgStructure.CurrentWindow ), Joystick ) );
+ fgJoystickPollWindow( fgStructure.CurrentWindow );
+#endif /* !TARGET_HOST_WINCE */
}
/*
*/
void FGAPIENTRY glutSetColor( int nColor, GLfloat red, GLfloat green, GLfloat blue )
{
- /*
- *
- */
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetColor" );
+ /* We really need to do something here. */
}
/*
*/
GLfloat FGAPIENTRY glutGetColor( int color, int component )
{
- /*
- *
- */
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetColor" );
+ /* We really need to do something here. */
return( 0.0f );
}
*/
void FGAPIENTRY glutCopyColormap( int window )
{
- /*
- *
- */
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCopyColormap" );
+ /* We really need to do something here. */
}
/*** END OF FILE ***/