[Mesa-dev] [PATCH v8 14/33] nvir/nir: implement nir_load_const_instr
Karol Herbst
kherbst at redhat.com
Fri Jun 29 22:32:01 UTC 2018
v8: fix loading 8/16 bit constants
Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
.../nouveau/codegen/nv50_ir_from_nir.cpp | 28 +++++++++++++++++++
1 file changed, 28 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 9ac98e04562..3084f32abb4 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -104,6 +104,7 @@ private:
bool visit(nir_if *);
bool visit(nir_instr *);
bool visit(nir_jump_instr *);
+ bool visit(nir_load_const_instr*);
bool visit(nir_loop *);
nir_shader *nir;
@@ -1271,6 +1272,8 @@ Converter::visit(nir_instr *insn)
switch (insn->type) {
case nir_instr_type_jump:
return visit(nir_instr_as_jump(insn));
+ case nir_instr_type_load_const:
+ return visit(nir_instr_as_load_const(insn));
default:
ERROR("unknown nir_instr type %u\n", insn->type);
return false;
@@ -1305,6 +1308,31 @@ Converter::visit(nir_jump_instr *insn)
return true;
}
+bool
+Converter::visit(nir_load_const_instr *insn)
+{
+ assert(insn->def.bit_size <= 64);
+
+ LValues &newDefs = convert(&insn->def);
+ for (int i = 0; i < insn->def.num_components; i++) {
+ switch (insn->def.bit_size) {
+ case 64:
+ loadImm(newDefs[i], insn->value.u64[i]);
+ break;
+ case 32:
+ loadImm(newDefs[i], insn->value.u32[i]);
+ break;
+ case 16:
+ loadImm(newDefs[i], insn->value.u16[i]);
+ break;
+ case 8:
+ loadImm(newDefs[i], insn->value.u8[i]);
+ break;
+ }
+ }
+ return true;
+}
+
bool
Converter::run()
{
--
2.17.1
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