Build: Make OpenGL/Vulkan renderers optional

And disabled on Windows/arm64.

src/core/gpu.h

@@ -150,17 +150,23 @@ public:
   float ComputeVerticalFrequency() const;
   float GetDisplayAspectRatio() const;
 
+#ifdef _WIN32
   // gpu_hw_d3d11.cpp
   static std::unique_ptr<GPU> CreateHardwareD3D11Renderer();
 
   // gpu_hw_d3d12.cpp
   static std::unique_ptr<GPU> CreateHardwareD3D12Renderer();
+#endif
 
+#ifdef WITH_OPENGL
   // gpu_hw_opengl.cpp
   static std::unique_ptr<GPU> CreateHardwareOpenGLRenderer();
+#endif
 
+#ifdef WITH_VULKAN
   // gpu_hw_vulkan.cpp
   static std::unique_ptr<GPU> CreateHardwareVulkanRenderer();
+#endif
 
   // gpu_sw.cpp
   static std::unique_ptr<GPU> CreateSoftwareRenderer();