DtGlTexture.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
#pragma once



#include <vrvGraphicsUtils/vrvGraphicsUtils.h>
#include <vrvGraphicsUtils/DtGlImageType.h>

#include <string>

namespace makVrv
{
   class DT_DLL_VRVGRAPHICSUTILS DtGlTexture
   {
   public:
      DtGlTexture(const std::string& name, int width, int height, int numLayers);

      virtual ~DtGlTexture();
   private:
      DtGlTexture();

      DtGlTexture(const DtGlTexture&);

      DtGlTexture& operator=(const DtGlTexture&);
   public:
      virtual bool init(unsigned int glColorTexId);

      virtual bool init(DtGlImageType colorFormat = RGB32F, GLenum minFilter = GL_LINEAR, GLenum wrapMode = GL_CLAMP_TO_EDGE);

      virtual bool initAsDepth(unsigned int glDepthTexId);

      virtual bool initAsDepth(DtGlImageType depthFormat);

      virtual GLenum openglTexutreFormat(void) const;

      virtual unsigned int id(void) const;

      virtual int width() const;

      virtual int height() const;

      virtual int layers(void) const;

      virtual void bind(int unit);
   protected:
      int myWidth;
      int myHeight;
      std::string myName;

      int myNumLayers;
      
      unsigned int myId;
      GLenum myFormat;
      bool myExternalTex;
   };
}