HI Sebastian, Could you list the error you are getting and what version of OpenGL you have installed on your system?
Robert. On 5 November 2013 13:35, Sebastian Messerschmidt < [email protected]> wrote: > I'm currently building OSG with GL3 support and the build failes due to > a missing definition of GL_RB. > Also I never heard of GL_RB before. Are you sure it is not GL_RG? > > > A further refinement of my earlier suggested changes: > > Index: Texture.cpp > =================================================================== > --- Texture.cpp (revision 13850) > +++ Texture.cpp (working copy) > @@ -1458,6 +1458,18 @@ > case(GL_RGBA8_OES) : internalFormat = GL_RGBA; break; > default: break; > } > +#elif defined(OSG_GL3_AVAILABLE) > + switch(internalFormat) > + { > + case(GL_INTENSITY) : internalFormat = GL_RED; break; // should it > be swizzled to match RGBA(INTENSITY, INTENSITY, INTENSITY, INTENSITY)? > + case(GL_LUMINANCE) : internalFormat = GL_RED; break; // should it > be swizzled to match RGBA(LUMINANCE, LUMINANCE, LUMINANCE, 1.0)? > + case(1) : internalFormat = GL_RED; break; // or sould this be > GL_ALPHA? > + case(2) : internalFormat = GL_RG; break; // should we assume > GL_LUMINANCE_ALPHA? > + case(GL_LUMINANCE_ALPHA) : internalFormat = GL_RB; break; // > should it be swizlled to match RGAB(LUMUNIANCE, LUMINANCE, LUMINANCE, > ALPHA)? > + case(3) : internalFormat = GL_RGB; break; > + case(4) : internalFormat = GL_RGBA; break; > + default: break; > + } > #endif > > > > On 22 October 2013 15:50, Robert Osfield <[email protected]> wrote: > >> Hi Lukasz, >> >> I have looked into how to internalFormat is processed with osg::Texture >> and feel that we can probably achieve what is need for core profile builds >> by extending a code block in Texture.cpp within the >> Texture::computeInternalFormatWithImage(const osg::Image& image) method, >> the change would be: >> >> >> ~/OpenSceneGraph/src/osg$ svn diff >> Index: Texture.cpp >> =================================================================== >> --- Texture.cpp (revision 13850) >> +++ Texture.cpp (working copy) >> @@ -1458,6 +1458,15 @@ >> case(GL_RGBA8_OES) : internalFormat = GL_RGBA; break; >> default: break; >> } >> +#elif defined(OSG_GL3_AVAILABLE) >> + switch(internalFormat) >> + { >> + case(1) : internalFormat = GL_RED; break; >> + case(2) : internalFormat = GL_RG; break; >> + case(3) : internalFormat = GL_RGB; break; >> + case(4) : internalFormat = GL_RGBA; break; >> + default: break; >> + } >> #endif >> >> _internalFormat = internalFormat; >> >> >> I have attached the modified file, could you please test it. >> >> Robert. >> >> > > > _______________________________________________ > osg-submissions mailing > [email protected]http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org > > > > _______________________________________________ > osg-submissions mailing list > [email protected] > > http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org > >
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