Module: Mesa Branch: master Commit: af2c64063e7fb31b243d63b77e09cd19c3819d72 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=af2c64063e7fb31b243d63b77e09cd19c3819d72
Author: Matt Turner <[email protected]> Date: Fri Feb 15 17:51:46 2013 -0800 glsl: Optimize ir_triop_lrp(x, y, a) with a = 0.0f or 1.0f Reviewed-by: Eric Anholt <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> --- src/glsl/opt_algebraic.cpp | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 44a21b6..70e016d 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -415,6 +415,17 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) break; + case ir_triop_lrp: + /* Operands are (x, y, a). */ + if (is_vec_zero(op_const[2])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[0]); + } else if (is_vec_one(op_const[2])) { + this->progress = true; + return swizzle_if_required(ir, ir->operands[1]); + } + break; + default: break; } _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
