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-rw-r--r--src/mesa/main/matrix.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index eab6499970d..b15b72181dd 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -1,4 +1,4 @@
-/* $Id: matrix.c,v 1.3 1999/09/09 18:49:36 miklos Exp $ */
+/* $Id: matrix.c,v 1.4 1999/09/19 23:06:40 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -1332,7 +1332,7 @@ void gl_Viewport( GLcontext *ctx,
gl_ResizeBuffersMESA(ctx);
- ctx->RasterMask &= WINCLIP_BIT;
+ ctx->RasterMask &= ~WINCLIP_BIT;
if ( ctx->Viewport.X<0
|| ctx->Viewport.X + ctx->Viewport.Width > ctx->Buffer->Width