DtGlTextureBufferObject.h

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/******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/

#pragma once

#include <vrvGraphicsUtils/vrvGraphicsUtils.h>
#include <vrvGraphicsUtils/DtUsage.h>
#include <vrvGraphicsUtils/DtCpuAccess.h>

#include <vrvMath/DtDataFormat.h>
#include <vrvMath/DtCommonTypes.h>

typedef unsigned int GLuint;
typedef unsigned int GLenum;


namespace makVrv {

   class Device;

   class DT_DLL_VRVGRAPHICSUTILS DtGlTextureBufferObject
   {
   public:
      DtGlTextureBufferObject(
         const char * name,
         DtDataFormat format
         , DtUsage usage
         , DtCpuAccess cpuAccess
         );

      DtGlTextureBufferObject() = delete;
      DtGlTextureBufferObject(const DtGlTextureBufferObject& rhs) = delete;
      DtGlTextureBufferObject& operator=(const DtGlTextureBufferObject& rhs) = delete;

      virtual ~DtGlTextureBufferObject();
   public:
      virtual void copyAndOrphanStreamedData(void* pData, size_t sizeInBytes);

      virtual void bindTexture(void);

      virtual void tearDown(void);

   protected:
      virtual void initialize();
   protected:
      std::string myName;
      GLuint myTextureBufferObjectID;
      GLuint myTextureID;
      size_t mySizeInBytes;

      DtUsage myUsage;
      DtCpuAccess myCPUAccess;
      DtDataFormat myFormat;
      GLenum myGLUsage;
      GLenum myGLInternalFormat;
   };
}