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