From: Antia Puentes <[email protected]>
Used the same implementation than the vec4_visitor NIR.
Adds NIR ALU operations:
* nir_op_b2i
* nir_op_b2f
* nir_op_f2b
* nir_op_i2b
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index 49fd429..5613135 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1008,6 +1008,25 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
emit(AND(dst, op[0], op[1]));
break;
+ case nir_op_b2i:
+ emit(AND(dst, op[0], src_reg(1)));
+ break;
+
+ case nir_op_b2f:
+ op[0].type = BRW_REGISTER_TYPE_D;
+ dst.type = BRW_REGISTER_TYPE_D;
+ emit(AND(dst, op[0], src_reg(0x3f800000u)));
+ dst.type = BRW_REGISTER_TYPE_F;
+ break;
+
+ case nir_op_f2b:
+ emit(CMP(dst, op[0], src_reg(0.0f), BRW_CONDITIONAL_NZ));
+ break;
+
+ case nir_op_i2b:
+ emit(CMP(dst, op[0], src_reg(0), BRW_CONDITIONAL_NZ));
+ break;
+
default:
unreachable("Unimplemented ALU operation");
}
--
2.1.4
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