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authorMatt Turner <[email protected]>2014-03-08 12:16:13 -0800
committerMatt Turner <[email protected]>2014-03-10 14:13:45 -0700
commit3330dec90ccba5d6c2932ff4e223d37eaa97fc60 (patch)
tree477d4343b5aaf6e68bec39a1f43a6cd8a08a0a6f /src
parentb823d5df0f65fd7b1a821bcb00f1270ada5bf879 (diff)
i965/vec4: Don't fix-up scalar uniforms for 3 src instructions.
Removes unnecessary MOV instructions in L4D2, TF2, Dota2, and many other Steam games. total instructions in shared programs: 1668126 -> 1657509 (-0.64%) instructions in affected programs: 242235 -> 231618 (-4.38%) Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src')
-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));