[Mesa-dev] [PATCH v7 22/35] nvir/nir: implement intrinsic_discard(_if)
Karol Herbst
kherbst at redhat.com
Mon Apr 16 13:26:02 UTC 2018
Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
src/gallium/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 740dee5c95a..40bc00d7e14 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -1657,6 +1657,20 @@ 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 = new_LValue(func, 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;
--
2.14.3
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