From 64f6f4aba5c0c0d328486f3530fa92cbb4a8d839 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 10 Dec 2008 05:21:21 -0500
Subject: [PATCH] SRCMOD_NOT apparently is allowed in SM3 for predicate
 registers...?!

---
 mojoshader.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/mojoshader.c b/mojoshader.c
index c4ab4f87..b998f014 100644
--- a/mojoshader.c
+++ b/mojoshader.c
@@ -5284,11 +5284,18 @@ static int parse_source_token(Context *ctx, SourceArgInfo *info)
         case SRCMOD_X2:
         case SRCMOD_DZ:
         case SRCMOD_DW:
-        case SRCMOD_NOT:
             if (shader_version_atleast(ctx, 2, 0))
                 return fail(ctx, "illegal source mod for this Shader Model.");
             break;
 
+        case SRCMOD_NOT:  // !!! FIXME: I _think_ this is right...
+            if (shader_version_atleast(ctx, 2, 0))
+            {
+                if (info->regtype != REG_TYPE_PREDICATE)
+                    return fail(ctx, "NOT only allowed on predicate register.");
+            } // if
+            break;
+
         default:
             return fail(ctx, "Unknown source modifier");
     } // switch