Some slang progress

src/dawn/display/shader/ShaderManagerSlangFileSystem.hpp

@@ -0,0 +1,46 @@
+// Copyright (c) 2024 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "dawn.hpp"
+#include "slang.h"
+#include "slang-gfx.h"
+#include "slang-com-ptr.h"
+using namespace slang;
+
+namespace Dawn {
+  class ShaderManager;
+
+  struct ShaderManagerSlangString : public ISlangBlob {
+    std::string str;
+    uint32_t refs = 0;
+
+    void const* getBufferPointer() override;
+    size_t getBufferSize() override;
+    SlangResult queryInterface(SlangUUID const& uuid, void** outObject) override;
+    uint32_t addRef() override;
+    uint32_t release() override;
+  };
+
+  struct ShaderManagerSlangFileSystem : public ISlangFileSystem {
+    private:
+      std::weak_ptr<ShaderManager> sm;
+      uint32_t refs = 0;
+
+    public:
+      SlangResult loadFile(
+        const char* path,
+        ISlangBlob** outBlob
+      ) override;
+      
+      SlangResult queryInterface(SlangUUID const& uuid, void** outObject) override;
+
+      uint32_t addRef() override;
+      uint32_t release() override;
+      void * castAs(SlangUUID const& uuid) override;
+
+      friend class ShaderManager;
+  };
+}