Run array specialization in a sperate pass. (#1449)

* Run array specialization in a sperate pass.

* rename specializeFunctionCall->specializeFunctionCalls

Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/source/slang/slang-ir-specialize-function-call.h b/source/slang/slang-ir-specialize-function-call.h
new file mode 100644
index 000000000..90c463374
--- /dev/null
+++ b/source/slang/slang-ir-specialize-function-call.h
@@ -0,0 +1,32 @@
+// slang-ir-specialize-function-call.h
+#pragma once
+
+namespace Slang
+{
+    class BackEndCompileRequest;
+    class TargetRequest;
+    struct IRModule;
+    struct IRParam;
+
+    class FunctionCallSpecializeCondition
+    {
+    public:
+        virtual bool doesParamNeedSpecialization(IRParam* param) = 0;
+    };
+
+
+    /// Specialize calls to functions with certain type of parameters.
+    ///
+    /// For any function that has a specific type of input parameters
+    /// this pass will rewrite its call sites that pass suitable arguments
+    /// (e.g., direct references to global shader parameters) to instead call
+    /// a specialized variant of the function that does not have
+    /// those resource parameters (and instead, e.g, refers to the
+    /// global shader parameters directly).
+    ///
+    void specializeFunctionCalls(
+        BackEndCompileRequest* compileRequest,
+        TargetRequest* targetRequest,
+        IRModule* module,
+        FunctionCallSpecializeCondition* condition);
+}