Aux color buffer support. Pass one of GLUT_AUX[1234] to glutInitDisplayMode.

[freeglut] / src / freeglut_window.c

diff --git a/src/freeglut_window.c b/src/freeglut_window.c
index 77f2594..a032ab4 100644 (file)
--- a/src/freeglut_window.c
+++ b/src/freeglut_window.c
@@ -127,6 +127,16 @@ XVisualInfo* fgChooseVisual( void )
             ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
     }
 
+    if( fgState.DisplayMode & GLUT_AUX1 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 1 );
+    if( fgState.DisplayMode & GLUT_AUX2 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 2 );
+    if( fgState.DisplayMode & GLUT_AUX3 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 3 );
+    if( fgState.DisplayMode & GLUT_AUX4 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 4 );
+
+
     /* Push a null at the end of the list */
     ATTRIB( None );