Use correct syntax for WGSL array transpiling (#6693)

Fixes issue #6533

This patch updates handling of Array and ConstantBuffer types for WGSL
transpiling, giving correct syntax for arrays of buffers in WGSL.

1 files changed, 12 insertions, 0 deletions

diff --git a/source/slang/slang-emit-wgsl.cpp b/source/slang/slang-emit-wgsl.cpp
index 227c6cf75..8a3a3cc01 100644
--- a/source/slang/slang-emit-wgsl.cpp
+++ b/source/slang/slang-emit-wgsl.cpp
@@ -656,6 +656,11 @@ void WGSLSourceEmitter::emitSimpleTypeImpl(IRType* type)
             m_writer->emit(">");
             return;
         }
+    case kIROp_ConstantBufferType:
+        {
+            emitType((IRType*)type->getOperand(0));
+            return;
+        }
     default:
         break;
     }
@@ -772,6 +777,13 @@ void WGSLSourceEmitter::emitVarKeywordImpl(IRType* type, IRInst* varDecl)
         m_writer->emit("<workgroup>");
     }
     else if (
+        type->getOp() == kIROp_ArrayType &&
+        type->getOperand(0)->getOp() == kIROp_ConstantBufferType)
+    {
+        // Arrays of constant buffers should use the uniform keyword.
+        m_writer->emit("<uniform>");
+    }
+    else if (
         type->getOp() == kIROp_HLSLRWStructuredBufferType ||
         type->getOp() == kIROp_HLSLRasterizerOrderedStructuredBufferType ||
         type->getOp() == kIROp_HLSLRWByteAddressBufferType)