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shader/track: Move bindless tracking to a separate function

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This commit is contained in:
ReinUsesLisp 2020-06-04 23:02:55 -03:00
parent 597d8b4bd4
commit e1438f8e91
2 changed files with 39 additions and 25 deletions
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8
src/video_core/shader/shader_ir.h
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@ -409,7 +409,13 @@ private:
std::tuple<Node, u32, u32> TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const;
std::tuple<Node, TrackSampler> TrackBindlessSampler(Node tracked, const NodeBlock& code,
std::pair<Node, TrackSampler> TrackBindlessSampler(Node tracked, const NodeBlock& code,
s64 cursor);
std::pair<Node, TrackSampler> HandleBindlessIndirectRead(const CbufNode& cbuf,
const OperationNode& operation,
Node gpr, Node base_offset,
Node tracked, const NodeBlock& code,
s64 cursor);
std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const;

52
src/video_core/shader/track.cpp
View File

@ -14,6 +14,7 @@
namespace VideoCommon::Shader {
namespace {
std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
OperationCode operation_code) {
for (; cursor >= 0; --cursor) {
@ -72,40 +73,27 @@ bool AmendNodeCv(std::size_t amend_index, Node node) {
} // Anonymous namespace
std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, const NodeBlock& code,
std::pair<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, const NodeBlock& code,
s64 cursor) {
if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {
const u32 cbuf_index = cbuf->GetIndex();
// Constant buffer found, test if it's an immediate
const auto& offset = cbuf->GetOffset();
if (const auto immediate = std::get_if<ImmediateNode>(&*offset)) {
auto track =
MakeTrackSampler<BindlessSamplerNode>(cbuf->GetIndex(), immediate->GetValue());
auto track = MakeTrackSampler<BindlessSamplerNode>(cbuf_index, immediate->GetValue());
return {tracked, track};
}
if (const auto operation = std::get_if<OperationNode>(&*offset)) {
const u32 bound_buffer = registry.GetBoundBuffer();
if (bound_buffer != cbuf->GetIndex()) {
return {};
}
const auto pair = DecoupleIndirectRead(*operation);
if (!pair) {
if (bound_buffer != cbuf_index) {
return {};
}
if (const std::optional pair = DecoupleIndirectRead(*operation)) {
auto [gpr, base_offset] = *pair;
const auto offset_inm = std::get_if<ImmediateNode>(&*base_offset);
const auto& gpu_driver = registry.AccessGuestDriverProfile();
const u32 bindless_cv = NewCustomVariable();
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(std::move(amend_op));
AmendNodeCv(amend_index, code[cursor]);
// TODO Implement Bindless Index custom variable
auto track = MakeTrackSampler<ArraySamplerNode>(cbuf->GetIndex(),
offset_inm->GetValue(), bindless_cv);
return {tracked, track};
return HandleBindlessIndirectRead(*cbuf, *operation, gpr, base_offset, tracked,
code, cursor);
}
}
return {};
}
@ -139,6 +127,26 @@ std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, cons
return {};
}
std::pair<Node, TrackSampler> ShaderIR::HandleBindlessIndirectRead(
const CbufNode& cbuf, const OperationNode& operation, Node gpr, Node base_offset, Node tracked,
const NodeBlock& code, s64 cursor) {
const auto offset_imm = std::get<ImmediateNode>(*base_offset);
const auto& gpu_driver = registry.AccessGuestDriverProfile();
const u32 bindless_cv = NewCustomVariable();
const u32 texture_handler_size = gpu_driver.GetTextureHandlerSize();
Node op = Operation(OperationCode::UDiv, gpr, Immediate(texture_handler_size));
Node cv_node = GetCustomVariable(bindless_cv);
Node amend_op = Operation(OperationCode::Assign, std::move(cv_node), std::move(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(), offset_imm.GetValue(), bindless_cv);
return {tracked, track};
}
std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code,
s64 cursor) const {
if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {