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nv50/ir/nir: implement nir_load_const_instr 

v8: fix loading 8/16 bit constants

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>
This commit is contained in:
Karol Herbst 2017-12-12 21:01:39 +01:00
parent 88c909e9a7
commit 8379dc300d
1 changed files with 28 additions and 0 deletions
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28
src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
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@ -123,6 +123,7 @@ 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;
@ -1314,6 +1315,8 @@ 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;
@ -1348,6 +1351,31 @@ 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()
{