- Location
public\materialsystem\itexture.h- Purpose
- The job ITextureRegenerator class is to change the pixel values of any procedural texture that uses a regenerator that implements this class.
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#ifndef ITEXTURE_H
#define ITEXTURE_H
#ifdef _WIN32
#pragma once
#endif
enum ImageFormat;
class IVTFTexture;
class ITexture;
struct Rect_t;
//-----------------------------------------------------------------------------
// This will get called on procedural textures to re-fill the textures
// with the appropriate bit pattern. Calling Download() will also
// cause this interface to be called. It will also be called upon
// mode switch, or on other occasions where the bits are discarded.
//-----------------------------------------------------------------------------
class ITextureRegenerator
{
public:
// This will be called when the texture bits need to be regenerated.
// Use the VTFTexture interface, which has been set up with the
// appropriate texture size + format
// The rect specifies which part of the texture needs to be updated
// You can choose to update all of the bits if you prefer
virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect ) = 0;
// This will be called when the regenerator needs to be deleted
// which will happen when the texture is destroyed
virtual void Release() = 0;
};
inline bool IsErrorTexture( ITexture *pTex )
{
return !pTex || pTex->IsError();
}
#endif // ITEXTURE_H
See also
