12226e4371
and passed as paramters into straight forward non const built in types, i.e. const bool foogbar(const int) becomes bool foobar(int).
114 lines
3.6 KiB
Plaintext
114 lines
3.6 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 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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#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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META_StateAttribute(osg, TextureCubeMap,TEXTURE);
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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(Face, Image* image);
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/** Get the texture image for specified face. */
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Image* getImage(Face);
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/** Get the const texture image for specified face. */
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const Image* getImage(Face) const;
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/** Set the texture width and height. If width or height are zero then
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* the repsective size value is calculated from the source image sizes. */
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inline void setTextureSize(int width, int height) const
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{
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_textureWidth = width;
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_textureHeight = height;
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}
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/** Get the texture subload width. */
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inline void getTextureSize(int& width, int& height) const
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{
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width = _textureWidth;
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height = _textureHeight;
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}
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class SubloadCallback : public Referenced
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{
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public:
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virtual void load(const TextureCubeMap& texture,State& state) const = 0;
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virtual void subload(const TextureCubeMap& texture,State& state) const = 0;
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};
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void setSubloadCallback(SubloadCallback* cb) { _subloadCallback = cb;; }
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SubloadCallback* getSubloadCallback() { return _subloadCallback.get(); }
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const SubloadCallback* getSubloadCallback() const { return _subloadCallback.get(); }
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/** Set the number of mip map levels the the texture has been created with,
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should only be called within an osg::Texuture::apply() and custom OpenGL texture load.*/
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void setNumMipmapLevels(unsigned int num) const { _numMimpmapLevels=num; }
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/** Get the number of mip map levels the the texture has been created with.*/
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unsigned int getNumMipmapLevels() const { return _numMimpmapLevels; }
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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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virtual void computeInternalFormat() const;
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mutable ref_ptr<Image> _images[6];
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// subloaded images can have different texture and image sizes.
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mutable GLsizei _textureWidth, _textureHeight;
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// number of mip map levels the the texture has been created with,
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mutable GLsizei _numMimpmapLevels;
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ref_ptr<SubloadCallback> _subloadCallback;
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};
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}
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#endif
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