SSPR.h

#ifndef SSPR_H
#define SSPR_H

#include <D3DApp.h>

class SSPR
{
public:
	UINT mWidth;
	UINT mHeight;

	D3D11_VIEWPORT mReflectionsMapViewport;
	//ID3D11RenderTargetView* mReflectionsMapRTV;
	ID3D11UnorderedAccessView* mReflectionsMapUAV;
	ID3D11ShaderResourceView* mReflectionsMapSRV;
	//ID3D11ComputeShader* mComputeShader;
	ID3D11PixelShader* mPixelShader;
	ID3D11SamplerState* mSamplerState; // normal-depth map

	struct ConstantBuffer
	{
		XMFLOAT4 FrustumFarCorner[4];
		XMFLOAT4X4 proj;

		XMFLOAT4X4 view;
		XMFLOAT4X4 ViewInverse;
		XMFLOAT4X4 reflect;
	};

	static_assert((sizeof(ConstantBuffer) % 16) == 0, "constant buffer size must be 16-byte aligned");

	XMFLOAT4 mFrustumFarCorner[4];
	ID3D11Buffer* mConstantBuffer;

	GameObject mReflectionsMapQuad;
	DebugQuad mDebugQuad;

	SSPR();
	~SSPR();

	void Init(ID3D11Device* device, UINT width, UINT height, float FieldOfViewY, float NearZ, float FarZ);
	void OnResize(ID3D11Device* device, UINT width, UINT height, float FieldOfViewY, float NearZ, float FarZ);

	void ComputeReflectionsMap(ID3D11DeviceContext* context, const CameraObject& camera, ID3D11ShaderResourceView* NormalDepthSRV);
};

#endif // SSPR_H