anki-3d-engine/include/anki/renderer/Ms.h

#ifndef ANKI_RENDERER_MS_H
#define ANKI_RENDERER_MS_H

#include "anki/renderer/RenderingPass.h"
#include "anki/gl/Texture.h"
#include "anki/gl/Fbo.h"
#include "anki/renderer/Ez.h"

namespace anki {

/// Material stage also known as G buffer stage. It populates the G buffer
class Ms: public RenderingPass
{
public:
	Ms(Renderer* r_)
		: RenderingPass(r_), ez(r_)
	{}

	~Ms();

	/// @name Accessors
	/// @{
	Texture& getFai0()
	{
		return fai0[1];
	}

	const Texture& getFai1() const;

	const Texture& getDepthFai() const
	{
		return depthFai[1];
	}
	/// @}

	void init(const RendererInitializer& initializer);
	void run();

private:
	Ez ez; /// EarlyZ pass
	Array<Fbo, 2> fbo;
	Array<Texture, 2> fai0; ///< The FAI for diffuse color, normals and specular
	/// Contains the normal and spec power on the MRT case
	Array<Texture, 2> fai1;
	Array<Texture, 2> depthFai; ///< The FAI for depth

	/// Create a G buffer FBO
	void createFbo(U index, U samples);
};

} // end namespace anki

#endif