1 files changed, 31 insertions, 0 deletions
diff --git a/thirdparty/glslang/SPIRV/SpvBuilder.cpp b/thirdparty/glslang/SPIRV/SpvBuilder.cpp
index e83306ebcb..36a3f09744 100644
--- a/thirdparty/glslang/SPIRV/SpvBuilder.cpp
+++ b/thirdparty/glslang/SPIRV/SpvBuilder.cpp
@@ -427,6 +427,37 @@ Id Builder::makeCooperativeMatrixType(Id component, Id scope, Id rows, Id cols)
     return type->getResultId();
 }
 
+Id Builder::makeGenericType(spv::Op opcode, std::vector<spv::IdImmediate>& operands)
+{
+    // try to find it
+    Instruction* type;
+    for (int t = 0; t < (int)groupedTypes[opcode].size(); ++t) {
+        type = groupedTypes[opcode][t];
+        if (static_cast<size_t>(type->getNumOperands()) != operands.size())
+            continue; // Number mismatch, find next
+
+        bool match = true;
+        for (int op = 0; match && op < (int)operands.size(); ++op) {
+            match = (operands[op].isId ? type->getIdOperand(op) : type->getImmediateOperand(op)) == operands[op].word;
+        }
+        if (match)
+            return type->getResultId();
+    }
+
+    // not found, make it
+    type = new Instruction(getUniqueId(), NoType, opcode);
+    for (size_t op = 0; op < operands.size(); ++op) {
+        if (operands[op].isId)
+            type->addIdOperand(operands[op].word);
+        else
+            type->addImmediateOperand(operands[op].word);
+    }
+    groupedTypes[opcode].push_back(type);
+    constantsTypesGlobals.push_back(std::unique_ptr<Instruction>(type));
+    module.mapInstruction(type);
+
+    return type->getResultId();
+}
 
 // TODO: performance: track arrays per stride
 // If a stride is supplied (non-zero) make an array.