1 files changed, 18 insertions, 3 deletions

diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index b2576bdd6..1a4d28ae9 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -172,6 +172,7 @@ enum class OperationCode {
     EmitVertex,   /// () -> void
     EndPrimitive, /// () -> void
 
+    InvocationId,       /// () -> int
     YNegate,            /// () -> float
     LocalInvocationIdX, /// () -> uint
     LocalInvocationIdY, /// () -> uint
@@ -213,13 +214,14 @@ class PredicateNode;
 class AbufNode;
 class CbufNode;
 class LmemNode;
+class PatchNode;
 class SmemNode;
 class GmemNode;
 class CommentNode;
 
-using NodeData =
-    std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode, InternalFlagNode,
-                 PredicateNode, AbufNode, CbufNode, LmemNode, SmemNode, GmemNode, CommentNode>;
+using NodeData = std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode,
+                              InternalFlagNode, PredicateNode, AbufNode, PatchNode, CbufNode,
+                              LmemNode, SmemNode, GmemNode, CommentNode>;
 using Node = std::shared_ptr<NodeData>;
 using Node4 = std::array<Node, 4>;
 using NodeBlock = std::vector<Node>;
@@ -542,6 +544,19 @@ private:
     u32 element{};
 };
 
+/// Patch memory (used to communicate tessellation stages).
+class PatchNode final {
+public:
+    explicit PatchNode(u32 offset) : offset{offset} {}
+
+    u32 GetOffset() const {
+        return offset;
+    }
+
+private:
+    u32 offset{};
+};
+
 /// Constant buffer node, usually mapped to uniform buffers in GLSL
 class CbufNode final {
 public: