71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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// -*-c++-*-
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#ifndef OSG_TEXTURECUBEMAP
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#define OSG_TEXTURECUBEMAP 1
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#include <osg/Texture>
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#ifndef GL_TEXTURE_CUBE_MAP
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#define GL_TEXTURE_CUBE_MAP 0x8513
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#endif
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namespace osg {
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/** TextureCubeMap state class which encapsulates OpenGl texture cubemap functionality.*/
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class SG_EXPORT TextureCubeMap : public Texture
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{
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public :
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TextureCubeMap();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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TextureCubeMap(const TextureCubeMap& cm,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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Texture(cm,copyop) {}
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META_StateAttribute(osg, TextureCubeMap,(Type)(TEXTURE_0+_textureUnit));
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/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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virtual int compare(const StateAttribute& rhs) const;
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enum Face {
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POSITIVE_X=0,
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NEGATIVE_X=1,
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POSITIVE_Y=2,
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NEGATIVE_Y=3,
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POSITIVE_Z=4,
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NEGATIVE_Z=5
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};
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/** Set the texture image for specified face. */
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void setImage(const Face, Image* image);
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/** Get the texture image for specified face. */
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Image* getImage(const Face);
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/** Get the const texture image for specified face. */
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const Image* getImage(const Face) const;
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/** On first apply (unless already compiled), create the minmapped
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* texture and bind it, subsequent apply will simple bind to texture.*/
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virtual void apply(State& state) const;
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protected :
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virtual ~TextureCubeMap();
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bool imagesValid() const;
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void setImage(Image*) {} // prevent call to Texture::setImage(Image* image)
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Image* getImage() { return _image.get(); } // prevent call to Texture::setImage(Image* image)
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const Image* getImage() const { return _image.get(); } // prevent call to Texture::setImage(Image* image)
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mutable ref_ptr<Image> _images[6];
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};
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}
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#endif
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