From: Matt Turner Date: Sat, 8 Mar 2014 20:16:13 +0000 (-0800) Subject: i965/vec4: Don't fix-up scalar uniforms for 3 src instructions. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3330dec90ccba5d6c2932ff4e223d37eaa97fc60;p=mesa.git 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 --- 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));