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-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 921e9099e08..c73e58d6cf7 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -277,6 +277,9 @@ vec4_visitor::fix_3src_operand(src_reg src)
if (src.file != UNIFORM && src.file != IMM)
return src;
+ if (src.file == UNIFORM && brw_is_single_value_swizzle(src.swizzle))
+ return src;
+
dst_reg expanded = dst_reg(this, glsl_type::vec4_type);
expanded.type = src.type;
emit(MOV(expanded, src));