From 5e6f1c38a591fa39cff1c32a2cfdda927145756a Mon Sep 17 00:00:00 2001 From: Antia Puentes Date: Wed, 17 Jun 2015 00:34:57 +0200 Subject: [PATCH] i965/nir/vec4: Implement min/max operations Adds NIR ALU operations: * nir_op_fmin * nir_op_imin * nir_op_umin * nir_op_fmax * nir_op_imax * nir_op_umax Reviewed-by: Jason Ekstrand --- src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index ab6335a8546..584ea5b2299 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -847,6 +847,20 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) inst->saturate = instr->dest.saturate; break; + case nir_op_fmin: + case nir_op_imin: + case nir_op_umin: + inst = emit_minmax(BRW_CONDITIONAL_L, dst, op[0], op[1]); + inst->saturate = instr->dest.saturate; + break; + + case nir_op_fmax: + case nir_op_imax: + case nir_op_umax: + inst = emit_minmax(BRW_CONDITIONAL_GE, dst, op[0], op[1]); + inst->saturate = instr->dest.saturate; + break; + default: unreachable("Unimplemented ALU operation"); } -- 2.30.2