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| author | Eric Anholt <eric@anholt.net> | 2013-11-01 12:29:12 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2014-02-07 12:46:48 -0800 |
| commit | 1e12dafcac4aac50bc588cead4cc0d6291718edd (patch) | |
| tree | aefdddde345809f39215af296dabe3aa2dbb3bae /src/glsl/opt_algebraic.cpp | |
| parent | de796b0ef09f05ca3f8a568ed07293e28ae697b0 (diff) | |
| download | external_mesa3d-1e12dafcac4aac50bc588cead4cc0d6291718edd.zip external_mesa3d-1e12dafcac4aac50bc588cead4cc0d6291718edd.tar.gz external_mesa3d-1e12dafcac4aac50bc588cead4cc0d6291718edd.tar.bz2 | |
glsl: Optimize triop_csel with all-true or all-false.
Reviewed-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'src/glsl/opt_algebraic.cpp')
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 7863fe8..1b4d319 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; } |