X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=progs%2Fdemos%2Ftexobj.c;h=ff701e98c3b4bd5de6a38bbd88880301d595658f;hb=9ac51f57efe07ed43a1e4224a7f5daddec401b36;hp=2c0dbc18267d53c6184ce5aed484be6f6d834ec2;hpb=cf89b89be8f6d9f00b8dd571ad0b80af1b7c12a1;p=mesa.git

diff --git a/progs/demos/texobj.c b/progs/demos/texobj.c
index 2c0dbc18267..ff701e98c3b 100644
--- a/progs/demos/texobj.c
+++ b/progs/demos/texobj.c
@@ -1,4 +1,3 @@
-/* $Id: texobj.c,v 1.5 2000/07/19 23:57:24 brianp Exp $ */
 
 /*
  * Example of using the 1.1 texture object functions.
@@ -7,7 +6,9 @@
  * Brian Paul   June 1996   This file is in the public domain.
  */
 
+#include <assert.h>
 #include <math.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "GL/glut.h"
@@ -173,6 +174,7 @@ static void init( void )
    if (UseObj) {
 #ifdef TEXTURE_OBJECT
       glBindTexture( GL_TEXTURE_2D, TexObj[0] );
+      assert(glIsTexture(TexObj[0]));
 #endif
    }
    else {
@@ -206,7 +208,9 @@ static void init( void )
    if (UseObj) {
 #ifdef TEXTURE_OBJECT
       glBindTexture( GL_TEXTURE_2D, TexObj[1] );
+      assert(glIsTexture(TexObj[1]));
 #endif
+      assert(!glIsTexture(TexObj[1] + 999));
    }
    else {
       glNewList( TexObj[1], GL_COMPILE );