Support different SPIRV versions. (#4254)

1 files changed, 16 insertions, 0 deletions

diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp
index 80e73fe2b..403e2a921 100644
--- a/source/slang/slang-lower-to-ir.cpp
+++ b/source/slang/slang-lower-to-ir.cpp
@@ -11599,6 +11599,9 @@ RefPtr<IRModule> TargetProgram::createIRModuleForLayout(DiagnosticSink* sink)
 
     builder->addLayoutDecoration(irModule->getModuleInst(), irGlobalScopeVarLayout);
 
+    auto latestSpirvAtom = getLatestSpirvAtom();
+    auto latestMetalAtom = getLatestMetalAtom();
+
     for( auto entryPointLayout : programLayout->entryPoints )
     {
         auto funcDeclRef = entryPointLayout->entryPoint;
@@ -11617,6 +11620,19 @@ RefPtr<IRModule> TargetProgram::createIRModuleForLayout(DiagnosticSink* sink)
             builder->addImportDecoration(irFunc, getMangledName(astBuilder, funcDeclRef).getUnownedSlice());
         }
 
+        for (auto atomSet : as<FuncDecl>(funcDeclRef.getDecl())->inferredCapabilityRequirements.getAtomSets())
+        {
+            for (auto atomVal : atomSet)
+            {
+                auto atom = (CapabilityName)atomVal;
+                if (atom >= CapabilityName::spirv_1_0 && atom <= latestSpirvAtom ||
+                    atom >= CapabilityName::metallib_2_3 && atom <= latestMetalAtom)
+                {
+                    builder->addRequireCapabilityAtomDecoration(irFunc, atom);
+                }
+            }
+        }
+
         auto irEntryPointLayout = lowerEntryPointLayout(context, entryPointLayout);
 
         builder->addLayoutDecoration(irFunc, irEntryPointLayout);