Initial revision
diff --git a/progs/util/errcheck.c b/progs/util/errcheck.c
new file mode 100644
index 0000000..fe9c297
--- /dev/null
+++ b/progs/util/errcheck.c
@@ -0,0 +1,27 @@
+/* errcheck.c */
+
+
+/*
+ * Call this function in your rendering loop to check for GL errors
+ * during development. Remove from release code.
+ *
+ * Written by Brian Paul and in the public domain.
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#incldue <stdio.h>
+
+
+
+GLboolean CheckError( const char *message )
+{
+ GLenum error = glGetError();
+ if (error) {
+ char *err = (char *) gluErrorString( error );
+ fprintf( stderr, "GL Error: %s at %s\n", err, message );
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}