From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sat, 29 Oct 2005 18:29:54 +0000 (+0000)
Subject: added some assertions to catch unexpected swizzle values in cvp_emit_arg(), currently... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5d04101d18270eec1692e691b1a4321a0ee3fb10;p=mesa.git

added some assertions to catch unexpected swizzle values in cvp_emit_arg(), currently fails sometimes
---

diff --git a/src/mesa/tnl/t_vb_arbprogram.c b/src/mesa/tnl/t_vb_arbprogram.c
index 14011f43db0..3212e00195a 100644
--- a/src/mesa/tnl/t_vb_arbprogram.c
+++ b/src/mesa/tnl/t_vb_arbprogram.c
@@ -790,6 +790,13 @@ static struct reg cvp_emit_arg( struct compilation *cp,
     */
    rsw.dword = 0;
    rsw.rsw.neg = src->Negate ? WRITEMASK_XYZW : 0;
+
+   /* we're expecting 2-bit swizzles below... */
+   ASSERT(GET_SWZ(src->Swizzle, 0) < 4);
+   ASSERT(GET_SWZ(src->Swizzle, 1) < 4);
+   ASSERT(GET_SWZ(src->Swizzle, 2) < 4);
+   ASSERT(GET_SWZ(src->Swizzle, 3) < 4);
+
    rsw.rsw.swz = ((GET_SWZ(src->Swizzle, 0) << 0) |
 		  (GET_SWZ(src->Swizzle, 1) << 2) |
 		  (GET_SWZ(src->Swizzle, 2) << 4) |