From 5420774510b565e65d6b2d6c50e76d9ea288348b Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Tue, 3 Feb 2015 12:42:07 -0800 Subject: [PATCH] nir/validate: Validate that only float ALU outputs are saturated Reviewed-by: Connor Abbott --- src/glsl/nir/nir_validate.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/glsl/nir/nir_validate.c b/src/glsl/nir/nir_validate.c index 7c801b27440..89dfdf88045 100644 --- a/src/glsl/nir/nir_validate.c +++ b/src/glsl/nir/nir_validate.c @@ -239,6 +239,14 @@ validate_alu_dest(nir_alu_dest *dest, validate_state *state) * register/SSA value */ assert(is_packed || !(dest->write_mask & ~((1 << dest_size) - 1))); + + /* validate that saturate is only ever used on instructions with + * destinations of type float + */ + nir_alu_instr *alu = nir_instr_as_alu(state->instr); + assert(nir_op_infos[alu->op].output_type == nir_type_float || + !dest->saturate); + validate_dest(&dest->dest, state); } -- 2.30.2