[Mesa-dev] [PATCH 19/34] nv50/ir/nir: implement intrinsic_discard(_if)
Karol Herbst
kherbst at redhat.com
Tue Mar 12 00:04:26 UTC 2019
v9: use getSSA instead of new_LValue
Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
.../drivers/nouveau/codegen/nv50_ir_from_nir.cpp | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
index 70c4aecd699..5c372794e02 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -1732,6 +1732,20 @@ Converter::visit(nir_intrinsic_instr *insn)
loadImm(newDefs[1], mode);
break;
}
+ case nir_intrinsic_discard:
+ mkOp(OP_DISCARD, TYPE_NONE, NULL);
+ break;
+ case nir_intrinsic_discard_if: {
+ Value *pred = getSSA(1, FILE_PREDICATE);
+ if (insn->num_components > 1) {
+ ERROR("nir_intrinsic_discard_if only with 1 component supported!\n");
+ assert(false);
+ return false;
+ }
+ mkCmp(OP_SET, CC_NE, TYPE_U8, pred, TYPE_U32, getSrc(&insn->src[0], 0), zero);
+ mkOp(OP_DISCARD, TYPE_NONE, NULL)->setPredicate(CC_P, pred);
+ break;
+ }
default:
ERROR("unknown nir_intrinsic_op %s\n", nir_intrinsic_infos[op].name);
return false;
--
2.20.1
More information about the mesa-dev
mailing list