From 66202b75d561b2275022bea8b5936a7482c1c315 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 26 Oct 2000 19:26:18 +0000
Subject: clarified meaning of DEFAULT_SOFTWARE_DEPTH_BITS value

---
 src/mesa/main/config.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 5526233edd7..7e263630134 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -1,4 +1,4 @@
-/* $Id: config.h,v 1.18 2000/10/18 15:02:59 brianp Exp $ */
+/* $Id: config.h,v 1.19 2000/10/26 19:26:18 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -139,11 +139,16 @@
 
 
 /*
- * Bits per depth buffer value:  16 or 32 (GLushort or GLuint)
- * _mesa_create_visual() can specify any depth in [0, 32].
+ * Bits per depth buffer value.  Any reasonable value up to 31 will
+ * work.  32 doesn't work because of integer overflow problems in the
+ * rasterizer code.
  */
 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
+#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
+#else
+#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
+#endif
 
 
 
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