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authorKeith Whitwell <keith@tungstengraphics.com>2001-11-26 12:56:07 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2001-11-26 12:56:07 +0000
commitf660ec6ff82e06b08e088a7be93dbf75dc324039 (patch)
tree89598c761fd933ee7fd3b716df4fd0c2cf0141ed
parent358ed73e1db4826fca3c33f78553ffd9322df109 (diff)
Possible fix for vtk tristrip bug
-rw-r--r--src/mesa/tnl/t_imm_fixup.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mesa/tnl/t_imm_fixup.c b/src/mesa/tnl/t_imm_fixup.c
index b0e83c370b..dedda0da01 100644
--- a/src/mesa/tnl/t_imm_fixup.c
+++ b/src/mesa/tnl/t_imm_fixup.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_fixup.c,v 1.26 2001/08/03 00:16:36 keithw Exp $ */
+/* $Id: t_imm_fixup.c,v 1.27 2001/11/26 12:56:07 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -735,7 +735,12 @@ _tnl_get_exec_copy_verts( GLcontext *ctx, struct immediate *IM )
tnl->ExecCopySource = IM;
tnl->ExecCopyCount = 0;
tnl->ExecCopyTexSize = IM->CopyTexSize;
- tnl->ExecParity = IM->PrimitiveLength[IM->LastPrimitive] & 1;
+
+ if (IM->LastPrimitive != IM->CopyStart)
+ tnl->ExecParity = 0;
+
+ tnl->ExecParity ^= IM->PrimitiveLength[IM->LastPrimitive] & 1;
+
if (pincr != 1 && (IM->Count - last - pintro))
ovf = (IM->Count - last - pintro) % pincr;