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track: Eliminate redundant copies 

Two variables can be references, while two others can be std::moved.
Makes for 4 less atomic reference count increments and decrements.
This commit is contained in:
Lioncash 2020-04-15 21:50:06 -04:00
parent e33196d4e7
commit e15ec2705c
1 changed files with 6 additions and 5 deletions
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11
src/video_core/shader/track.cpp
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@ -75,12 +75,13 @@ std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, cons
s64 cursor) {
if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {
// Constant buffer found, test if it's an immediate
const auto offset = cbuf->GetOffset();
const auto& offset = cbuf->GetOffset();
if (const auto immediate = std::get_if<ImmediateNode>(&*offset)) {
auto track =
MakeTrackSampler<BindlessSamplerNode>(cbuf->GetIndex(), immediate->GetValue());
return {tracked, track};
} else if (const auto operation = std::get_if<OperationNode>(&*offset)) {
}
if (const auto operation = std::get_if<OperationNode>(&*offset)) {
const u32 bound_buffer = registry.GetBoundBuffer();
if (bound_buffer != cbuf->GetIndex()) {
return {};
@ -93,12 +94,12 @@ std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, cons
const auto offset_inm = std::get_if<ImmediateNode>(&*base_offset);
const auto& gpu_driver = registry.AccessGuestDriverProfile();
const u32 bindless_cv = NewCustomVariable();
const Node op =
Node op =
Operation(OperationCode::UDiv, gpr, Immediate(gpu_driver.GetTextureHandlerSize()));
const Node cv_node = GetCustomVariable(bindless_cv);
Node amend_op = Operation(OperationCode::Assign, cv_node, std::move(op));
const std::size_t amend_index = DeclareAmend(amend_op);
const std::size_t amend_index = DeclareAmend(std::move(amend_op));
AmendNodeCv(amend_index, code[cursor]);
// TODO Implement Bindless Index custom variable
auto track = MakeTrackSampler<ArraySamplerNode>(cbuf->GetIndex(),
@ -141,7 +142,7 @@ std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& co
s64 cursor) const {
if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {
// Constant buffer found, test if it's an immediate
const auto offset = cbuf->GetOffset();
const auto& offset = cbuf->GetOffset();
if (const auto immediate = std::get_if<ImmediateNode>(&*offset)) {
return {tracked, cbuf->GetIndex(), immediate->GetValue()};
}