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shader/memory: Implement LD (generic memory)

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This commit is contained in:
ReinUsesLisp
2019-05-18 02:35:01 -03:00
parent 9ffc60b5b3
commit f78ef617b6
3 changed files with 39 additions and 16 deletions
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30
src/video_core/shader/decode/memory.cpp
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@ -148,12 +148,25 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
}
break;
}
case OpCode::Id::LD:
case OpCode::Id::LDG: {
const auto [real_address_base, base_address, descriptor] =
TrackAndGetGlobalMemory(bb, GetRegister(instr.gpr8),
static_cast<u32>(instr.ldg.immediate_offset.Value()), false);
const auto type = [instr, &opcode]() -> Tegra::Shader::UniformType {
switch (opcode->get().GetId()) {
case OpCode::Id::LD:
UNIMPLEMENTED_IF_MSG(!instr.generic.extended, "Unextended LD is not implemented");
return instr.generic.type;
case OpCode::Id::LDG:
return instr.ldg.type;
default:
UNREACHABLE();
return {};
}
}();
const u32 count = GetUniformTypeElementsCount(instr.ldg.type);
const auto [real_address_base, base_address, descriptor] =
TrackAndGetGlobalMemory(bb, instr, false);
const u32 count = GetUniformTypeElementsCount(type);
for (u32 i = 0; i < count; ++i) {
const Node it_offset = Immediate(i * 4);
const Node real_address =
@ -169,8 +182,7 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
}
case OpCode::Id::STG: {
const auto [real_address_base, base_address, descriptor] =
TrackAndGetGlobalMemory(bb, GetRegister(instr.gpr8),
static_cast<u32>(instr.stg.immediate_offset.Value()), true);
TrackAndGetGlobalMemory(bb, instr, true);
// Encode in temporary registers like this: real_base_address, {registers_to_be_written...}
SetTemporal(bb, 0, real_address_base);
@ -267,9 +279,11 @@ u32 ShaderIR::DecodeMemory(NodeBlock& bb, u32 pc) {
}
std::tuple<Node, Node, GlobalMemoryBase> ShaderIR::TrackAndGetGlobalMemory(NodeBlock& bb,
Node addr_register,
u32 immediate_offset,
Instruction instr,
bool is_write) {
const auto addr_register{GetRegister(instr.gmem.gpr)};
const auto immediate_offset{static_cast<u32>(instr.gmem.offset)};
const Node base_address{
TrackCbuf(addr_register, global_code, static_cast<s64>(global_code.size()))};
const auto cbuf = std::get_if<CbufNode>(base_address);