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/* $Id: vindex.c,v 1.1 1999/08/19 00:55:43 jtg Exp $ */
/*
* Test Linux 8-bit SVGA/Mesa color index mode
*
* Compile with: gcc vindex.c -I../include -L../lib -lMesaGL -lX11 -lXext
* -lvga -lm -o vindex
*
* This program is in the public domain.
* Brian Paul, January 1996
*/
#include <vga.h>
#include "GL/svgamesa.h"
#include "GL/gl.h"
static GLint width = 640, height = 480;
static void display( void )
{
int i, j;
int w, h;
glViewport( 0, 0, width, height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glOrtho( 0.0, (GLfloat) width, 0.0, (GLfloat) height, -1.0, 1.0 );
glClear( GL_COLOR_BUFFER_BIT );
w = width / 16;
h = height / 16;
for (i=0;i<16;i++) {
for (j=0;j<16;j++) {
glIndexi( i*16+j );
glRecti( i*w, j*h, i*w+w, j*h+h );
}
}
}
int main( int argc, char *argv[] )
{
SVGAMesaContext vmc;
int i;
vga_init();
vga_setmode( G640x480x256 );
vmc = SVGAMesaCreateContext( GL_FALSE );
SVGAMesaMakeCurrent( vmc );
display();
sleep(3);
SVGAMesaDestroyContext( vmc );
vga_setmode( TEXT );
return 0;
}
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