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-rw-r--r--src/video_core/shader/track.cpp236
1 files changed, 0 insertions, 236 deletions
diff --git a/src/video_core/shader/track.cpp b/src/video_core/shader/track.cpp
deleted file mode 100644
index 6be3ea92b..000000000
--- a/src/video_core/shader/track.cpp
+++ /dev/null
@@ -1,236 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <utility>
-#include <variant>
-
-#include "common/common_types.h"
-#include "video_core/shader/node.h"
-#include "video_core/shader/node_helper.h"
-#include "video_core/shader/shader_ir.h"
-
-namespace VideoCommon::Shader {
-
-namespace {
-
-std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
- OperationCode operation_code) {
- for (; cursor >= 0; --cursor) {
- Node node = code.at(cursor);
-
- if (const auto operation = std::get_if<OperationNode>(&*node)) {
- if (operation->GetCode() == operation_code) {
- return {std::move(node), cursor};
- }
- }
-
- if (const auto conditional = std::get_if<ConditionalNode>(&*node)) {
- const auto& conditional_code = conditional->GetCode();
- auto result = FindOperation(
- conditional_code, static_cast<s64>(conditional_code.size() - 1), operation_code);
- auto& found = result.first;
- if (found) {
- return {std::move(found), cursor};
- }
- }
- }
- return {};
-}
-
-std::optional<std::pair<Node, Node>> DecoupleIndirectRead(const OperationNode& operation) {
- if (operation.GetCode() != OperationCode::UAdd) {
- return std::nullopt;
- }
- Node gpr;
- Node offset;
- ASSERT(operation.GetOperandsCount() == 2);
- for (std::size_t i = 0; i < operation.GetOperandsCount(); i++) {
- Node operand = operation[i];
- if (std::holds_alternative<ImmediateNode>(*operand)) {
- offset = operation[i];
- } else if (std::holds_alternative<GprNode>(*operand)) {
- gpr = operation[i];
- }
- }
- if (offset && gpr) {
- return std::make_pair(gpr, offset);
- }
- return std::nullopt;
-}
-
-bool AmendNodeCv(std::size_t amend_index, Node node) {
- if (const auto operation = std::get_if<OperationNode>(&*node)) {
- operation->SetAmendIndex(amend_index);
- return true;
- }
- if (const auto conditional = std::get_if<ConditionalNode>(&*node)) {
- conditional->SetAmendIndex(amend_index);
- return true;
- }
- return false;
-}
-
-} // Anonymous namespace
-
-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_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_index) {
- return {};
- }
- if (const std::optional pair = DecoupleIndirectRead(*operation)) {
- auto [gpr, base_offset] = *pair;
- return HandleBindlessIndirectRead(*cbuf, *operation, gpr, base_offset, tracked,
- code, cursor);
- }
- }
- return {};
- }
- if (const auto gpr = std::get_if<GprNode>(&*tracked)) {
- if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) {
- return {};
- }
- // Reduce the cursor in one to avoid infinite loops when the instruction sets the same
- // register that it uses as operand
- const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
- if (!source) {
- return {};
- }
- return TrackBindlessSampler(source, code, new_cursor);
- }
- if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
- const OperationNode& op = *operation;
-
- const OperationCode opcode = operation->GetCode();
- if (opcode == OperationCode::IBitwiseOr || opcode == OperationCode::UBitwiseOr) {
- ASSERT(op.GetOperandsCount() == 2);
- auto [node_a, index_a, offset_a] = TrackCbuf(op[0], code, cursor);
- auto [node_b, index_b, offset_b] = TrackCbuf(op[1], code, cursor);
- if (node_a && node_b) {
- auto track = MakeTrackSampler<SeparateSamplerNode>(std::pair{index_a, index_b},
- std::pair{offset_a, offset_b});
- return {tracked, std::move(track)};
- }
- }
- std::size_t i = op.GetOperandsCount();
- while (i--) {
- if (auto found = TrackBindlessSampler(op[i - 1], code, cursor); std::get<0>(found)) {
- // Constant buffer found in operand.
- return found;
- }
- }
- return {};
- }
- if (const auto conditional = std::get_if<ConditionalNode>(&*tracked)) {
- const auto& conditional_code = conditional->GetCode();
- return TrackBindlessSampler(tracked, conditional_code,
- static_cast<s64>(conditional_code.size()));
- }
- 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)) {
- // Constant buffer found, test if it's an immediate
- const auto& offset = cbuf->GetOffset();
- if (const auto immediate = std::get_if<ImmediateNode>(&*offset)) {
- return {tracked, cbuf->GetIndex(), immediate->GetValue()};
- }
- return {};
- }
- if (const auto gpr = std::get_if<GprNode>(&*tracked)) {
- if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) {
- return {};
- }
- // Reduce the cursor in one to avoid infinite loops when the instruction sets the same
- // register that it uses as operand
- const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
- if (!source) {
- return {};
- }
- return TrackCbuf(source, code, new_cursor);
- }
- if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
- for (std::size_t i = operation->GetOperandsCount(); i > 0; --i) {
- if (auto found = TrackCbuf((*operation)[i - 1], code, cursor); std::get<0>(found)) {
- // Cbuf found in operand.
- return found;
- }
- }
- return {};
- }
- if (const auto conditional = std::get_if<ConditionalNode>(&*tracked)) {
- const auto& conditional_code = conditional->GetCode();
- return TrackCbuf(tracked, conditional_code, static_cast<s64>(conditional_code.size()));
- }
- return {};
-}
-
-std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const {
- // Reduce the cursor in one to avoid infinite loops when the instruction sets the same register
- // that it uses as operand
- const auto result = TrackRegister(&std::get<GprNode>(*tracked), code, cursor - 1);
- const auto& found = result.first;
- if (!found) {
- return std::nullopt;
- }
- if (const auto immediate = std::get_if<ImmediateNode>(&*found)) {
- return immediate->GetValue();
- }
- return std::nullopt;
-}
-
-std::pair<Node, s64> ShaderIR::TrackRegister(const GprNode* tracked, const NodeBlock& code,
- s64 cursor) const {
- for (; cursor >= 0; --cursor) {
- const auto [found_node, new_cursor] = FindOperation(code, cursor, OperationCode::Assign);
- if (!found_node) {
- return {};
- }
- const auto operation = std::get_if<OperationNode>(&*found_node);
- ASSERT(operation);
-
- const auto& target = (*operation)[0];
- if (const auto gpr_target = std::get_if<GprNode>(&*target)) {
- if (gpr_target->GetIndex() == tracked->GetIndex()) {
- return {(*operation)[1], new_cursor};
- }
- }
- }
- return {};
-}
-
-} // namespace VideoCommon::Shader