Add new hololens code (winrt + D3D immersive mode example)

support/hololens/ServoApp/Content/SpinningCubeRenderer.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "../Common/DeviceResources.h"
+#include "../Common/StepTimer.h"
+#include "ShaderStructures.h"
+
+namespace Immersive {
+// This sample renderer instantiates a basic rendering pipeline.
+class SpinningCubeRenderer {
+public:
+  SpinningCubeRenderer(
+      std::shared_ptr<DX::DeviceResources> const &deviceResources);
+  std::future<void> CreateDeviceDependentResources();
+  void ReleaseDeviceDependentResources();
+  void Update(DX::StepTimer const &timer);
+  void Render();
+
+  // Repositions the sample hologram.
+  void
+  PositionHologram(winrt::Windows::UI::Input::Spatial::SpatialPointerPose const
+                       &pointerPose);
+
+  // Property accessors.
+  void SetPosition(winrt::Windows::Foundation::Numerics::float3 const &pos) {
+    m_position = pos;
+  }
+  winrt::Windows::Foundation::Numerics::float3 const &GetPosition() {
+    return m_position;
+  }
+
+private:
+  // Cached pointer to device resources.
+  std::shared_ptr<DX::DeviceResources> m_deviceResources;
+
+  // Direct3D resources for cube geometry.
+  Microsoft::WRL::ComPtr<ID3D11InputLayout> m_inputLayout;
+  Microsoft::WRL::ComPtr<ID3D11Buffer> m_vertexBuffer;
+  Microsoft::WRL::ComPtr<ID3D11Buffer> m_indexBuffer;
+  Microsoft::WRL::ComPtr<ID3D11VertexShader> m_vertexShader;
+  Microsoft::WRL::ComPtr<ID3D11GeometryShader> m_geometryShader;
+  Microsoft::WRL::ComPtr<ID3D11PixelShader> m_pixelShader;
+  Microsoft::WRL::ComPtr<ID3D11Buffer> m_modelConstantBuffer;
+
+  // System resources for cube geometry.
+  ModelConstantBuffer m_modelConstantBufferData;
+  uint32_t m_indexCount = 0;
+
+  // Variables used with the rendering loop.
+  bool m_loadingComplete = false;
+  float m_degreesPerSecond = 45.f;
+  winrt::Windows::Foundation::Numerics::float3 m_position = {0.f, 0.f, -2.f};
+
+  // If the current D3D Device supports VPRT, we can avoid using a geometry
+  // shader just to set the render target array index.
+  bool m_usingVprtShaders = false;
+};
+} // namespace Immersive