/usr/include/oce/OpenGl_Texture.hxx is in liboce-visualization-dev 0.15-5.
This file is owned by root:root, with mode 0o644.
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// Copyright (c) 2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and / or modify it
// under the terms of the GNU Lesser General Public version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _OpenGl_Texture_H__
#define _OpenGl_Texture_H__
#include <OpenGl_GlCore13.hxx>
#include <OpenGl_Resource.hxx>
#include <Handle_OpenGl_Texture.hxx>
#include <Graphic3d_TypeOfTexture.hxx>
#include <Handle_Graphic3d_TextureParams.hxx>
class Handle(OpenGl_Context);
class OpenGl_Context;
class Image_PixMap;
//! Texture resource.
class OpenGl_Texture : public OpenGl_Resource
{
public:
//! Helpful constants
static const GLuint NO_TEXTURE = 0;
public:
//! Create uninitialized VBO.
Standard_EXPORT OpenGl_Texture (const Handle(Graphic3d_TextureParams)& theParams = NULL);
//! Destroy object.
Standard_EXPORT virtual ~OpenGl_Texture();
//! @return true if current object was initialized
inline bool IsValid() const
{
return myTextureId != NO_TEXTURE;
}
//! @return target to which the texture is bound (GL_TEXTURE_1D, GL_TEXTURE_2D)
inline GLenum GetTarget() const
{
return myTarget;
}
//! @return texture width (0 LOD)
inline GLsizei SizeX() const
{
return mySizeX;
}
//! @return texture height (0 LOD)
inline GLsizei SizeY() const
{
return mySizeY;
}
//! @return texture ID
inline GLuint TextureId() const
{
return myTextureId;
}
//! @return texture format
inline GLint GetFormat() const
{
return myTextFormat;
}
//! Creates Texture id if not yet generated.
//! Data should be initialized by another method.
Standard_EXPORT bool Create (const Handle(OpenGl_Context)& theCtx);
//! Destroy object - will release GPU memory if any.
Standard_EXPORT virtual void Release (const OpenGl_Context* theCtx);
//! Bind this Texture to specified unit.
Standard_EXPORT void Bind (const Handle(OpenGl_Context)& theCtx,
const GLenum theTextureUnit = GL_TEXTURE0) const;
//! Unbind texture from specified unit.
Standard_EXPORT void Unbind (const Handle(OpenGl_Context)& theCtx,
const GLenum theTextureUnit = GL_TEXTURE0) const;
//! Notice that texture will be unbound after this call.
Standard_EXPORT bool Init (const Handle(OpenGl_Context)& theCtx,
const Image_PixMap& theImage,
const Graphic3d_TypeOfTexture theType);
//! @return true if texture was generated within mipmaps
Standard_EXPORT Standard_Boolean HasMipmaps() const;
//! @return assigned texture parameters (not necessary applied)
Standard_EXPORT const Handle(Graphic3d_TextureParams)& GetParams() const;
//! @param texture parameters
Standard_EXPORT void SetParams (const Handle(Graphic3d_TextureParams)& theParams);
protected:
GLuint myTextureId; //!< GL resource ID
GLenum myTarget; //!< GL_TEXTURE_1D/GL_TEXTURE_2D
GLsizei mySizeX; //!< texture width
GLsizei mySizeY; //!< texture height
GLint myTextFormat; //!< texture format - GL_RGB, GL_RGBA,...
Standard_Boolean myHasMipmaps; //!< flag indicates that texture was uploaded with mipmaps
Handle(Graphic3d_TextureParams) myParams; //!< texture parameters
public:
DEFINE_STANDARD_RTTI(OpenGl_Texture) // Type definition
};
#endif // _OpenGl_Texture_H__
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