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

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Only implemented/tested on GLX, not Windows.


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@567 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
brianp 2005-02-11 15:22:09 +00:00
parent e9be78b6fc
commit fd3bf94540
3 changed files with 27 additions and 3 deletions
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9
freeglut/freeglut/include/GL/freeglut_ext.h
View File

@ -66,6 +66,15 @@
#define GLUT_RENDERING_CONTEXT 0x01FD
#define GLUT_DIRECT_RENDERING 0x01FE
/*
* New tokens for glutInitDisplayMode.
* Value 0x0400 is defined in OpenGLUT.
*/
#define GLUT_AUX1 0x1000
#define GLUT_AUX2 0x2000
#define GLUT_AUX3 0x4000
#define GLUT_AUX4 0x8000
/*
* Process loop function, see freeglut_main.c
*/

11
freeglut/freeglut/src/freeglut_init.c
View File

@ -687,9 +687,10 @@ static char* Tokens[] =
"xstaticgray", "xgrayscale", "xstaticcolor", "xpseudocolor",
"xtruecolor", "xdirectcolor",
"xstaticgrey", "xgreyscale", "xstaticcolour", "xpseudocolour",
"xtruecolour", "xdirectcolour", "borderless"
"xtruecolour", "xdirectcolour", "borderless", "aux"
};
/* XXX why the heck do we use this table instead of strlen(Tokens[i])? */
static int TokenLengths[] =
{
5, 4, 3, 4, 6, 10, 5, 6,
@ -698,7 +699,7 @@ static int TokenLengths[] =
11, 10, 12, 12,
10, 12,
11, 10, 13, 13,
11, 13, 10
11, 13, 10, 3
};
void FGAPIENTRY glutInitDisplayString( const char* displayMode )
@ -874,7 +875,11 @@ void FGAPIENTRY glutInitDisplayString( const char* displayMode )
#endif
break ;
case 36 : /* Unrecognized */
case 36 : /* "aux": some number of aux buffers */
glut_state_flag |= GLUT_AUX1;
break ;
case 37 : /* Unrecognized */
fgWarning ( "WARNING - Display string token not recognized: %s",
token );
break ;

10
freeglut/freeglut/src/freeglut_window.c
View File

@ -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 );