diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_emit.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_emit.c | 17 |
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 93256f8647c..6d79380ab5f 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; } |