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shader/memory: Implement ST (generic memory)

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This commit is contained in:
ReinUsesLisp 2019-05-18 02:51:12 -03:00
parent f78ef617b6
commit 75e7b45d69
2 changed files with 36 additions and 21 deletions
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1
src/video_core/engines/shader_bytecode.h
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@ -1673,6 +1673,7 @@ private:
INST("1110111111110---", Id::ST_A, Type::Memory, "ST_A"), INST("1110111111110---", Id::ST_A, Type::Memory, "ST_A"),
INST("1110111101011---", Id::ST_S, Type::Memory, "ST_S"), INST("1110111101011---", Id::ST_S, Type::Memory, "ST_S"),
INST("1110111101010---", Id::ST_L, Type::Memory, "ST_L"), INST("1110111101010---", Id::ST_L, Type::Memory, "ST_L"),
INST("101-------------", Id::ST, Type::Memory, "ST"),
INST("1110111011011---", Id::STG, Type::Memory, "STG"), INST("1110111011011---", Id::STG, Type::Memory, "STG"),
INST("1110111110100---", Id::AL2P, Type::Memory, "AL2P"), INST("1110111110100---", Id::AL2P, Type::Memory, "AL2P"),
INST("110000----111---", Id::TEX, Type::Texture, "TEX"), INST("110000----111---", Id::TEX, Type::Texture, "TEX"),

56
src/video_core/shader/decode/memory.cpp
View file

@ -180,27 +180,6 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
} }
break; break;
} }
case OpCode::Id::STG: {
const auto [real_address_base, base_address, descriptor] =
TrackAndGetGlobalMemory(bb, instr, true);
// Encode in temporary registers like this: real_base_address, {registers_to_be_written...}
SetTemporal(bb, 0, real_address_base);
const u32 count = GetUniformTypeElementsCount(instr.stg.type);
for (u32 i = 0; i < count; ++i) {
SetTemporal(bb, i + 1, GetRegister(instr.gpr0.Value() + i));
}
for (u32 i = 0; i < count; ++i) {
const Node it_offset = Immediate(i * 4);
const Node real_address =
Operation(OperationCode::UAdd, NO_PRECISE, real_address_base, it_offset);
const Node gmem = StoreNode(GmemNode(real_address, base_address, descriptor));
bb.push_back(Operation(OperationCode::Assign, gmem, GetTemporal(i + 1)));
}
break;
}
case OpCode::Id::ST_A: { case OpCode::Id::ST_A: {
UNIMPLEMENTED_IF_MSG(instr.gpr8.Value() != Register::ZeroIndex, UNIMPLEMENTED_IF_MSG(instr.gpr8.Value() != Register::ZeroIndex,
"Indirect attribute loads are not supported"); "Indirect attribute loads are not supported");
@ -256,6 +235,41 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
} }
break; break;
} }
case OpCode::Id::ST:
case OpCode::Id::STG: {
const auto type = [instr, &opcode]() -> Tegra::Shader::UniformType {
switch (opcode->get().GetId()) {
case OpCode::Id::ST:
UNIMPLEMENTED_IF_MSG(!instr.generic.extended, "Unextended ST is not implemented");
return instr.generic.type;
case OpCode::Id::STG:
return instr.stg.type;
default:
UNREACHABLE();
return {};
}
}();
const auto [real_address_base, base_address, descriptor] =
TrackAndGetGlobalMemory(bb, instr, true);
// Encode in temporary registers like this: real_base_address, {registers_to_be_written...}
SetTemporal(bb, 0, real_address_base);
const u32 count = GetUniformTypeElementsCount(type);
for (u32 i = 0; i < count; ++i) {
SetTemporal(bb, i + 1, GetRegister(instr.gpr0.Value() + i));
}
for (u32 i = 0; i < count; ++i) {
const Node it_offset = Immediate(i * 4);
const Node real_address =
Operation(OperationCode::UAdd, NO_PRECISE, real_address_base, it_offset);
const Node gmem = StoreNode(GmemNode(real_address, base_address, descriptor));
bb.push_back(Operation(OperationCode::Assign, gmem, GetTemporal(i + 1)));
}
break;
}
case OpCode::Id::AL2P: { case OpCode::Id::AL2P: {
// Ignore al2p.direction since we don't care about it. // Ignore al2p.direction since we don't care about it.