From 1e12dafcac4aac50bc588cead4cc0d6291718edd Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 1 Nov 2013 12:29:12 -0700 Subject: glsl: Optimize triop_csel with all-true or all-false. Reviewed-by: Matt Turner --- src/glsl/opt_algebraic.cpp | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/glsl/opt_algebraic.cpp') diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 7863fe8f9cf..1b4d319366c 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -571,6 +571,13 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) } break; + case ir_triop_csel: + if (is_vec_one(op_const[0])) + return ir->operands[1]; + if (is_vec_zero(op_const[0])) + return ir->operands[2]; + break; + default: break; } -- cgit v1.2.3