Merge pull request #2497 from lioncash/shader-ir

shader/shader_ir: Minor changes

src/video_core/shader/shader_ir.cpp

@@ -21,6 +21,13 @@ using Tegra::Shader::PredCondition;
 using Tegra::Shader::PredOperation;
 using Tegra::Shader::Register;
 
+ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset)
+    : program_code{program_code}, main_offset{main_offset} {
+    Decode();
+}
+
+ShaderIR::~ShaderIR() = default;
+
 Node ShaderIR::StoreNode(NodeData&& node_data) {
     auto store = std::make_unique<NodeData>(node_data);
     const Node node = store.get();

src/video_core/shader/shader_ir.h

@@ -328,40 +328,31 @@ struct MetaTexture {
     u32 element{};
 };
 
-inline constexpr MetaArithmetic PRECISE = {true};
+constexpr MetaArithmetic PRECISE = {true};
-inline constexpr MetaArithmetic NO_PRECISE = {false};
+constexpr MetaArithmetic NO_PRECISE = {false};
 
 using Meta = std::variant<MetaArithmetic, MetaTexture, Tegra::Shader::HalfType>;
 
 /// Holds any kind of operation that can be done in the IR
 class OperationNode final {
 public:
-    template <typename... T>
+    explicit OperationNode(OperationCode code) : code{code} {}
-    explicit constexpr OperationNode(OperationCode code) : code{code}, meta{} {}
+
+    explicit OperationNode(OperationCode code, Meta&& meta) : code{code}, meta{std::move(meta)} {}
 
     template <typename... T>
-    explicit constexpr OperationNode(OperationCode code, Meta&& meta)
+    explicit OperationNode(OperationCode code, const T*... operands)
-        : code{code}, meta{std::move(meta)} {}
-
-    template <typename... T>
-    explicit constexpr OperationNode(OperationCode code, const T*... operands)
         : OperationNode(code, {}, operands...) {}
 
     template <typename... T>
-    explicit constexpr OperationNode(OperationCode code, Meta&& meta, const T*... operands_)
+    explicit OperationNode(OperationCode code, Meta&& meta, const T*... operands_)
-        : code{code}, meta{std::move(meta)} {
+        : code{code}, meta{std::move(meta)}, operands{operands_...} {}
-
-        auto operands_list = {operands_...};
-        for (auto& operand : operands_list) {
-            operands.push_back(operand);
-        }
-    }
 
     explicit OperationNode(OperationCode code, Meta&& meta, std::vector<Node>&& operands)
         : code{code}, meta{meta}, operands{std::move(operands)} {}
 
     explicit OperationNode(OperationCode code, std::vector<Node>&& operands)
-        : code{code}, meta{}, operands{std::move(operands)} {}
+        : code{code}, operands{std::move(operands)} {}
 
     OperationCode GetCode() const {
         return code;
@@ -567,11 +558,8 @@ private:
 
 class ShaderIR final {
 public:
-    explicit ShaderIR(const ProgramCode& program_code, u32 main_offset)
+    explicit ShaderIR(const ProgramCode& program_code, u32 main_offset);
-        : program_code{program_code}, main_offset{main_offset} {
+    ~ShaderIR();
-
-        Decode();
-    }
 
     const std::map<u32, NodeBlock>& GetBasicBlocks() const {
         return basic_blocks;
@@ -814,11 +802,12 @@ private:
     void WriteLop3Instruction(NodeBlock& bb, Tegra::Shader::Register dest, Node op_a, Node op_b,
                               Node op_c, Node imm_lut, bool sets_cc);
 
-    Node TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor);
+    Node TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const;
 
-    std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor);
+    std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const;
 
-    std::pair<Node, s64> TrackRegister(const GprNode* tracked, const NodeBlock& code, s64 cursor);
+    std::pair<Node, s64> TrackRegister(const GprNode* tracked, const NodeBlock& code,
+                                       s64 cursor) const;
 
     std::tuple<Node, Node, GlobalMemoryBase> TrackAndGetGlobalMemory(NodeBlock& bb,
                                                                      Node addr_register,
@@ -835,12 +824,10 @@ private:
         return StoreNode(OperationNode(code, std::move(meta), operands...));
     }
 
-    template <typename... T>
     Node Operation(OperationCode code, std::vector<Node>&& operands) {
         return StoreNode(OperationNode(code, std::move(operands)));
     }
 
-    template <typename... T>
     Node Operation(OperationCode code, Meta&& meta, std::vector<Node>&& operands) {
         return StoreNode(OperationNode(code, std::move(meta), std::move(operands)));
     }

src/video_core/shader/track.cpp

@@ -17,22 +17,24 @@ std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
     for (; cursor >= 0; --cursor) {
         const Node node = code.at(cursor);
         if (const auto operation = std::get_if<OperationNode>(node)) {
-            if (operation->GetCode() == operation_code)
+            if (operation->GetCode() == operation_code) {
                 return {node, cursor};
+            }
         }
         if (const auto conditional = std::get_if<ConditionalNode>(node)) {
             const auto& conditional_code = conditional->GetCode();
             const auto [found, internal_cursor] = FindOperation(
                 conditional_code, static_cast<s64>(conditional_code.size() - 1), operation_code);
-            if (found)
+            if (found) {
                 return {found, cursor};
+            }
         }
     }
     return {};
 }
 } // namespace
 
-Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) {
+Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const {
     if (const auto cbuf = std::get_if<CbufNode>(tracked)) {
         // Cbuf found, but it has to be immediate
         return std::holds_alternative<ImmediateNode>(*cbuf->GetOffset()) ? tracked : nullptr;
@@ -65,7 +67,7 @@ Node ShaderIR::TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) {
     return nullptr;
 }
 
-std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) {
+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 [found, found_cursor] =
@@ -80,7 +82,7 @@ std::optional<u32> ShaderIR::TrackImmediate(Node tracked, const NodeBlock& code,
 }
 
 std::pair<Node, s64> ShaderIR::TrackRegister(const GprNode* tracked, const NodeBlock& code,
-                                             s64 cursor) {
+                                             s64 cursor) const {
     for (; cursor >= 0; --cursor) {
         const auto [found_node, new_cursor] = FindOperation(code, cursor, OperationCode::Assign);
         if (!found_node) {