From 2c3cb693ccb760b7b1b7bb9f37491d1499c97938 Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Thu, 2 Aug 2007 09:08:29 -0600
Subject: fix stencil value masking bug 11805, and fix sizeof() bug

---
 src/mesa/main/image.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'src/mesa/main/image.c')

diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 8fccd44f21..9760e5f8d2 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -3733,7 +3733,7 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
 
    switch (dstType) {
    case GL_UNSIGNED_BYTE:
-      if (sizeof(GLstencil) == 8) {
+      if (sizeof(GLstencil) == 1) {
          _mesa_memcpy( dest, source, n );
       }
       else {
@@ -3745,14 +3745,11 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
       }
       break;
    case GL_BYTE:
-      if (sizeof(GLstencil) == 8) {
-         _mesa_memcpy( dest, source, n );
-      }
-      else {
+      {
          GLbyte *dst = (GLbyte *) dest;
          GLuint i;
          for (i=0;i<n;i++) {
-            dst[i] = (GLbyte) source[i];
+            dst[i] = (GLbyte) (source[i] & 0x7f);
          }
       }
       break;
-- 
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