From: Brian Paul <brianp@vmware.com>
Date: Mon, 3 May 2010 21:29:02 +0000 (-0600)
Subject: progs/demos: check for GL_ARB_imaging if convolutions is requested
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=babd71ba45cbb14d5747d5783e21bc9eb692df8e;p=mesa.git

progs/demos: check for GL_ARB_imaging if convolutions is requested
---

diff --git a/progs/demos/gloss.c b/progs/demos/gloss.c
index 450861e5778..ddfd548b8b9 100644
--- a/progs/demos/gloss.c
+++ b/progs/demos/gloss.c
@@ -282,6 +282,13 @@ static void Init( int argc, char *argv[] )
       }
    }
 
+   if (convolve && !glutExtensionSupported("GL_ARB_imaging")) {
+      fprintf(stderr,
+              "GL_ARB_imaging is not supported, disabling convolution.\n");
+      exit(1);
+   }
+
+
    if (fullscreen)
       glutFullScreen();