[Mesa-dev] [PATCH 53/78] i965/nir/vec4: Implement the dot product operation
Eduardo Lima Mitev
elima at igalia.com
Fri Jun 26 01:07:09 PDT 2015
From: Antia Puentes <apuentes at igalia.com>
Adds NIR ALU operations:
* nir_op_fdot2
* nir_op_fdot3
* nir_op_fdot4
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index dda3bc1..6c5332e 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1245,6 +1245,21 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
inst->predicate = BRW_PREDICATE_NORMAL;
break;
+ case nir_op_fdot2:
+ inst = emit(BRW_OPCODE_DP2, dst, op[0], op[1]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_fdot3:
+ inst = emit(BRW_OPCODE_DP3, dst, op[0], op[1]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_fdot4:
+ inst = emit(BRW_OPCODE_DP4, dst, op[0], op[1]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
default:
unreachable("Unimplemented ALU operation");
}
--
2.1.4
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