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-rw-r--r--progs/xdemos/vindex.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/progs/xdemos/vindex.c b/progs/xdemos/vindex.c
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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;
+}