From 5295f9a033e958e144ac3f47e6146842cd7dff9c Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Mon, 8 Dec 2008 15:42:54 -0700
Subject: glut: added GLUT_PPM_FILE env var to dump first frame to a PPM file

Set GLUT_PPM_FILE to the desired filename.  The first frame rendered will
be written to that file.
---
 src/glut/glx/glut_init.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/glut/glx/glut_init.c')

diff --git a/src/glut/glx/glut_init.c b/src/glut/glx/glut_init.c
index b1a42a328d..78843e93bc 100644
--- a/src/glut/glx/glut_init.c
+++ b/src/glut/glx/glut_init.c
@@ -51,6 +51,7 @@ int __glutInitX = -1, __glutInitY = -1;
 GLboolean __glutForceDirect = GL_FALSE,
   __glutTryDirect = GL_TRUE;
 Atom __glutWMDeleteWindow;
+char *__glutPPMFile = NULL;
 /* *INDENT-ON* */
 
 #ifdef _WIN32
@@ -341,6 +342,9 @@ glutInit(int *argcp, char **argv)
            __glutFPS = 5000;  /* 5000 milliseconds */
      }
   }
+
+  /* check if GLUT_PPM_FILE env var is set */
+  __glutPPMFile = getenv("GLUT_PPM_FILE");
 }
 
 #ifdef _WIN32
-- 
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