Merge pull request #2497 from lioncash/shader-ir
shader/shader_ir: Minor changes
This commit is contained in:
commit
2aebbe9bf9
3 changed files with 29 additions and 33 deletions
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@ -21,6 +21,13 @@ using Tegra::Shader::PredCondition;
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using Tegra::Shader::PredOperation;
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using Tegra::Shader::PredOperation;
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using Tegra::Shader::Register;
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using Tegra::Shader::Register;
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ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset)
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: program_code{program_code}, main_offset{main_offset} {
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Decode();
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}
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ShaderIR::~ShaderIR() = default;
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Node ShaderIR::StoreNode(NodeData&& node_data) {
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Node ShaderIR::StoreNode(NodeData&& node_data) {
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auto store = std::make_unique<NodeData>(node_data);
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auto store = std::make_unique<NodeData>(node_data);
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const Node node = store.get();
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const Node node = store.get();
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@ -328,40 +328,31 @@ struct MetaTexture {
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u32 element{};
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u32 element{};
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};
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};
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inline constexpr MetaArithmetic PRECISE = {true};
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constexpr MetaArithmetic PRECISE = {true};
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inline constexpr MetaArithmetic NO_PRECISE = {false};
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constexpr MetaArithmetic NO_PRECISE = {false};
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using Meta = std::variant<MetaArithmetic, MetaTexture, Tegra::Shader::HalfType>;
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using Meta = std::variant<MetaArithmetic, MetaTexture, Tegra::Shader::HalfType>;
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/// Holds any kind of operation that can be done in the IR
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/// Holds any kind of operation that can be done in the IR
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class OperationNode final {
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class OperationNode final {
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public:
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public:
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template <typename... T>
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explicit OperationNode(OperationCode code) : code{code} {}
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explicit constexpr OperationNode(OperationCode code) : code{code}, meta{} {}
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explicit OperationNode(OperationCode code, Meta&& meta) : code{code}, meta{std::move(meta)} {}
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template <typename... T>
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template <typename... T>
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explicit constexpr OperationNode(OperationCode code, Meta&& meta)
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explicit OperationNode(OperationCode code, const T*... operands)
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: code{code}, meta{std::move(meta)} {}
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template <typename... T>
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explicit constexpr OperationNode(OperationCode code, const T*... operands)
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: OperationNode(code, {}, operands...) {}
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: OperationNode(code, {}, operands...) {}
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template <typename... T>
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template <typename... T>
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explicit constexpr OperationNode(OperationCode code, Meta&& meta, const T*... operands_)
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explicit OperationNode(OperationCode code, Meta&& meta, const T*... operands_)
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: code{code}, meta{std::move(meta)} {
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: code{code}, meta{std::move(meta)}, operands{operands_...} {}
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auto operands_list = {operands_...};
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for (auto& operand : operands_list) {
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operands.push_back(operand);
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}
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}
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explicit OperationNode(OperationCode code, Meta&& meta, std::vector<Node>&& operands)
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explicit OperationNode(OperationCode code, Meta&& meta, std::vector<Node>&& operands)
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: code{code}, meta{meta}, operands{std::move(operands)} {}
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: code{code}, meta{meta}, operands{std::move(operands)} {}
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explicit OperationNode(OperationCode code, std::vector<Node>&& operands)
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explicit OperationNode(OperationCode code, std::vector<Node>&& operands)
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: code{code}, meta{}, operands{std::move(operands)} {}
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: code{code}, operands{std::move(operands)} {}
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OperationCode GetCode() const {
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OperationCode GetCode() const {
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return code;
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return code;
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@ -567,11 +558,8 @@ private:
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class ShaderIR final {
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class ShaderIR final {
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public:
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public:
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explicit ShaderIR(const ProgramCode& program_code, u32 main_offset)
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explicit ShaderIR(const ProgramCode& program_code, u32 main_offset);
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: program_code{program_code}, main_offset{main_offset} {
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~ShaderIR();
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Decode();
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}
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const std::map<u32, NodeBlock>& GetBasicBlocks() const {
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const std::map<u32, NodeBlock>& GetBasicBlocks() const {
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return basic_blocks;
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return basic_blocks;
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@ -814,11 +802,12 @@ private:
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void WriteLop3Instruction(NodeBlock& bb, Tegra::Shader::Register dest, Node op_a, Node op_b,
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void WriteLop3Instruction(NodeBlock& bb, Tegra::Shader::Register dest, Node op_a, Node op_b,
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Node op_c, Node imm_lut, bool sets_cc);
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Node op_c, Node imm_lut, bool sets_cc);
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Node TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor);
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Node TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const;
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std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor);
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std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const;
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std::pair<Node, s64> TrackRegister(const GprNode* tracked, const NodeBlock& code, s64 cursor);
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std::pair<Node, s64> TrackRegister(const GprNode* tracked, const NodeBlock& code,
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s64 cursor) const;
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std::tuple<Node, Node, GlobalMemoryBase> TrackAndGetGlobalMemory(NodeBlock& bb,
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std::tuple<Node, Node, GlobalMemoryBase> TrackAndGetGlobalMemory(NodeBlock& bb,
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Node addr_register,
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Node addr_register,
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@ -835,12 +824,10 @@ private:
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return StoreNode(OperationNode(code, std::move(meta), operands...));
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return StoreNode(OperationNode(code, std::move(meta), operands...));
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}
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}
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template <typename... T>
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Node Operation(OperationCode code, std::vector<Node>&& operands) {
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Node Operation(OperationCode code, std::vector<Node>&& operands) {
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return StoreNode(OperationNode(code, std::move(operands)));
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return StoreNode(OperationNode(code, std::move(operands)));
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}
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}
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template <typename... T>
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Node Operation(OperationCode code, Meta&& meta, std::vector<Node>&& operands) {
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Node Operation(OperationCode code, Meta&& meta, std::vector<Node>&& operands) {
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return StoreNode(OperationNode(code, std::move(meta), std::move(operands)));
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return StoreNode(OperationNode(code, std::move(meta), std::move(operands)));
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}
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}
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@ -17,22 +17,24 @@ std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
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for (; cursor >= 0; --cursor) {
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for (; cursor >= 0; --cursor) {
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const Node node = code.at(cursor);
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const Node node = code.at(cursor);
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if (const auto operation = std::get_if<OperationNode>(node)) {
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if (const auto operation = std::get_if<OperationNode>(node)) {
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if (operation->GetCode() == operation_code)
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if (operation->GetCode() == operation_code) {
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return {node, cursor};
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return {node, cursor};
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}
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}
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}
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if (const auto conditional = std::get_if<ConditionalNode>(node)) {
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if (const auto conditional = std::get_if<ConditionalNode>(node)) {
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const auto& conditional_code = conditional->GetCode();
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const auto& conditional_code = conditional->GetCode();
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const auto [found, internal_cursor] = FindOperation(
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const auto [found, internal_cursor] = FindOperation(
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conditional_code, static_cast<s64>(conditional_code.size() - 1), operation_code);
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conditional_code, static_cast<s64>(conditional_code.size() - 1), operation_code);
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if (found)
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if (found) {
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return {found, cursor};
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return {found, cursor};
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}
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}
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}
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}
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}
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return {};
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return {};
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}
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}
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} // namespace
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} // namespace
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Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) {
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Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const {
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if (const auto cbuf = std::get_if<CbufNode>(tracked)) {
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if (const auto cbuf = std::get_if<CbufNode>(tracked)) {
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// Cbuf found, but it has to be immediate
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// Cbuf found, but it has to be immediate
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return std::holds_alternative<ImmediateNode>(*cbuf->GetOffset()) ? tracked : nullptr;
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return std::holds_alternative<ImmediateNode>(*cbuf->GetOffset()) ? tracked : nullptr;
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@ -65,7 +67,7 @@ Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) {
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return nullptr;
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return nullptr;
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}
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}
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std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) {
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std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const {
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// Reduce the cursor in one to avoid infinite loops when the instruction sets the same register
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// Reduce the cursor in one to avoid infinite loops when the instruction sets the same register
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// that it uses as operand
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// that it uses as operand
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const auto [found, found_cursor] =
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const auto [found, found_cursor] =
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@ -80,7 +82,7 @@ std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code,
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}
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}
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std::pair<Node, s64> ShaderIR::TrackRegister(const GprNode* tracked, const NodeBlock& code,
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std::pair<Node, s64> ShaderIR::TrackRegister(const GprNode* tracked, const NodeBlock& code,
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s64 cursor) {
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s64 cursor) const {
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for (; cursor >= 0; --cursor) {
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for (; cursor >= 0; --cursor) {
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const auto [found_node, new_cursor] = FindOperation(code, cursor, OperationCode::Assign);
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const auto [found_node, new_cursor] = FindOperation(code, cursor, OperationCode::Assign);
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if (!found_node) {
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if (!found_node) {
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