Mesa (master): nir/builder: fix c++11 compiler warning

[Rob Clark]

Module: Mesa
Branch: master
Commit: 2e4ab489b5963e57df01fa20bb95d67139de8b75
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2e4ab489b5963e57df01fa20bb95d67139de8b75

Author: Rob Clark <robclark at freedesktop.org>
Date:   Thu Sep 17 21:07:41 2015 -0400

nir/builder: fix c++11 compiler warning

Fixes:

   In file included from nir/nir_lower_samplers.cpp:27:0:
   nir/nir_builder.h: In function 'nir_ssa_def* nir_channel(nir_builder*, nir_ssa_def*, int)':
   nir/nir_builder.h:222:37: warning: narrowing conversion of 'c' from 'int' to 'unsigned int' inside { } is ill-formed in C++11 [-Wnarrowing]
       unsigned swizzle[4] = {c, c, c, c};

Signed-off-by: Rob Clark <robclark at freedesktop.org>

---

 src/glsl/nir/nir_builder.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/glsl/nir/nir_builder.h b/src/glsl/nir/nir_builder.h
index 44134cf..4753330 100644
--- a/src/glsl/nir/nir_builder.h
+++ b/src/glsl/nir/nir_builder.h
@@ -217,7 +217,7 @@ nir_swizzle(nir_builder *build, nir_ssa_def *src, unsigned swiz[4],
 }
 
 static inline nir_ssa_def *
-nir_channel(nir_builder *b, nir_ssa_def *def, int c)
+nir_channel(nir_builder *b, nir_ssa_def *def, unsigned c)
 {
    unsigned swizzle[4] = {c, c, c, c};
    return nir_swizzle(b, def, swizzle, 1, false);