Add initial base implementation for WebGPU rendering backend

Source/Engine/GraphicsDevice/WebGPU/GPUSamplerWebGPU.h

@@ -0,0 +1,30 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Graphics/Textures/GPUSampler.h"
+#include "GPUDeviceWebGPU.h"
+
+#if GRAPHICS_API_WEBGPU
+
+/// <summary>
+/// Sampler object for Web GPU backend.
+/// </summary>
+class GPUSamplerWebGPU : public GPUResourceBase<GPUDeviceWebGPU, GPUSampler>
+{
+public:
+    GPUSamplerWebGPU(GPUDeviceWebGPU* device)
+        : GPUResourceBase<GPUDeviceWebGPU, GPUSampler>(device, StringView::Empty)
+    {
+    }
+
+public:
+    WGPUSampler Sampler = nullptr;
+
+protected:
+    // [GPUSampler]
+    bool OnInit() override;
+    void OnReleaseGPU() override;
+};
+
+#endif