Copy irrlichtmt to <root>/irr/

irr/include/IRenderTarget.h

@@ -0,0 +1,119 @@
+// Copyright (C) 2015 Patryk Nadrowski
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#pragma once
+
+#include "IReferenceCounted.h"
+#include "EDriverTypes.h"
+#include "irrArray.h"
+
+namespace irr
+{
+namespace video
+{
+class ITexture;
+
+//! Enumeration of cube texture surfaces
+enum E_CUBE_SURFACE
+{
+	ECS_POSX = 0,
+	ECS_NEGX,
+	ECS_POSY,
+	ECS_NEGY,
+	ECS_POSZ,
+	ECS_NEGZ
+};
+
+//! Interface of a Render Target.
+class IRenderTarget : public virtual IReferenceCounted
+{
+public:
+	//! constructor
+	IRenderTarget() :
+			DepthStencil(0), DriverType(EDT_NULL)
+	{
+	}
+
+	//! Returns an array of previously set textures.
+	const core::array<ITexture *> &getTexture() const
+	{
+		return Textures;
+	}
+
+	//! Returns a of previously set depth / depth-stencil texture.
+	ITexture *getDepthStencil() const
+	{
+		return DepthStencil;
+	}
+
+	//! Returns an array of active surface for cube textures
+	const core::array<E_CUBE_SURFACE> &getCubeSurfaces() const
+	{
+		return CubeSurfaces;
+	}
+
+	//! Set multiple textures.
+	/** Set multiple textures for the render target.
+	\param texture Array of texture objects. These textures are used for a color outputs.
+	\param depthStencil Depth or packed depth-stencil texture. This texture is used as depth
+	or depth-stencil buffer. You can pass getDepthStencil() if you don't want to change it.
+	\param cubeSurfaces When rendering to cube textures, set the surface to be used for each texture. Can be empty otherwise.
+	*/
+	void setTexture(const core::array<ITexture *> &texture, ITexture *depthStencil, const core::array<E_CUBE_SURFACE> &cubeSurfaces = core::array<E_CUBE_SURFACE>())
+	{
+		setTextures(texture.const_pointer(), texture.size(), depthStencil, cubeSurfaces.const_pointer(), cubeSurfaces.size());
+	}
+
+	//! Sets one texture + depthStencil
+	//! You can pass getDepthStencil() for depthStencil if you don't want to change that one
+	void setTexture(ITexture *texture, ITexture *depthStencil)
+	{
+		if (texture) {
+			setTextures(&texture, 1, depthStencil);
+		} else {
+			setTextures(0, 0, depthStencil);
+		}
+	}
+
+	//! Set one cube surface texture.
+	void setTexture(ITexture *texture, ITexture *depthStencil, E_CUBE_SURFACE cubeSurface)
+	{
+		if (texture) {
+			setTextures(&texture, 1, depthStencil, &cubeSurface, 1);
+		} else {
+			setTextures(0, 0, depthStencil, &cubeSurface, 1);
+		}
+	}
+
+	//! Get driver type of render target.
+	E_DRIVER_TYPE getDriverType() const
+	{
+		return DriverType;
+	}
+
+protected:
+	//! Set multiple textures.
+	// NOTE: working with pointers instead of arrays to avoid unnecessary memory allocations for the single textures case
+	virtual void setTextures(ITexture *const *textures, u32 numTextures, ITexture *depthStencil, const E_CUBE_SURFACE *cubeSurfaces = 0, u32 numCubeSurfaces = 0) = 0;
+
+	//! Textures assigned to render target.
+	core::array<ITexture *> Textures;
+
+	//! Depth or packed depth-stencil texture assigned to render target.
+	ITexture *DepthStencil;
+
+	//! Active surface of cube textures
+	core::array<E_CUBE_SURFACE> CubeSurfaces;
+
+	//! Driver type of render target.
+	E_DRIVER_TYPE DriverType;
+
+private:
+	// no copying (IReferenceCounted still allows that for reasons which take some time to work around)
+	IRenderTarget(const IRenderTarget &);
+	IRenderTarget &operator=(const IRenderTarget &);
+};
+
+}
+}