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authorBen Skeggs <skeggsb@gmail.com>2008-07-05 00:53:13 +1000
committerBen Skeggs <skeggsb@gmail.com>2008-07-05 00:53:13 +1000
commit77f8167d75d0016c76812fc147c06072e5729965 (patch)
treef610929b3fa6d62013593df797b9e05d7c1452b4 /src/mesa/shader/slang/slang_emit.c
parent6f56b527d866506a323feb19f9d8529d40034af2 (diff)
parent194cfc7a4ed86653db34be0e331ad7c23b5334eb (diff)
Merge remote branch 'upstream/gallium-0.1' into gallium-0.1
Diffstat (limited to 'src/mesa/shader/slang/slang_emit.c')
-rw-r--r--src/mesa/shader/slang/slang_emit.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 93256f8647..6d79380ab5 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 7.0.3
+ * Version: 7.1
*
- * Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 2005-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -110,13 +110,16 @@ writemask_to_swizzle(GLuint writemask)
/**
* Swizzle a swizzle. That is, return swz2(swz1)
*/
-static GLuint
-swizzle_swizzle(GLuint swz1, GLuint swz2)
+GLuint
+_slang_swizzle_swizzle(GLuint swz1, GLuint swz2)
{
GLuint i, swz, s[4];
for (i = 0; i < 4; i++) {
GLuint c = GET_SWZ(swz2, i);
- s[i] = GET_SWZ(swz1, c);
+ if (c <= SWIZZLE_W)
+ s[i] = GET_SWZ(swz1, c);
+ else
+ s[i] = c;
}
swz = MAKE_SWIZZLE4(s[0], s[1], s[2], s[3]);
return swz;
@@ -1459,8 +1462,8 @@ emit_swizzle(slang_emit_info *emitInfo, slang_ir_node *n)
/* apply this swizzle to child's swizzle to get composed swizzle */
swizzle = fix_swizzle(n->Store->Swizzle); /* remove the don't care terms */
- n->Store->Swizzle = swizzle_swizzle(n->Children[0]->Store->Swizzle,
- swizzle);
+ n->Store->Swizzle = _slang_swizzle_swizzle(n->Children[0]->Store->Swizzle,
+ swizzle);
return inst;
}