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-rw-r--r--src/mesa/main/config.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 5526233edd..7e26363013 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