Hello, thank you for your answer. I am indeed using the same texture sizes and formats. If I use GL_LUMINANCE8 as pixelFormat and GL_LUMINANCE as internalFormat, I get a "invalid enumerant" error
2016-10-21 7:56 GMT+01:00 Sebastian Messerschmidt < [email protected]>: > > Hi Bruno: > Sorry for not reading to the end: > > Hello, >> >> I'm trying to create a Texture2DArray. My textures are uchar images with >> size (texWidth, 256), single channel. The combination of texture >> internalFormat and pixelFormat with pixelType is not working. I use >> GL_R8UI for internalFormat, GL_RED_INTEGER for pixelFormat and >> GL_UNSIGNED_BYTE for type. This yields the following error when I try to >> render my scene: >> >> /Warning: detected OpenGL error 'invalid enumerant' at after >> RenderBin::draw(..)/ >> >> However, if I use GL_LUMINANCE for internalFormat and also GL_LUMINANCE >> for pixelFormat, I get no errors but my textures are not correctly >> sized. WHat formats should I use here? >> > When using GL_LUMINCANE as internal formet the pixlel format needs to be > GL_LUMINANCE4/8/12/16[F/I/UI] ... > > So basically for default precision (GL_BYTE) it should be > > GL_LUMINANCE8 > > > Cheers > Sebastian > > >> This is my code: >> >> >> >> osg::ref_ptr<osg::Texture2DArray> texture = new osg::Texture2DArray; >> texture->setFilter(osg::Texture2DArray::MIN_FILTER, >> osg::Texture2DArray::LINEAR); >> texture->setFilter(osg::Texture2DArray::MAG_FILTER, >> osg::Texture2DArray::LINEAR); >> texture->setWrap(osg::Texture2DArray::WRAP_R, >> osg::Texture2DArray::REPEAT); >> texture->setInternalFormat(*textureFormat()*); >> >> >> // Add some images as follows: >> for (...) { >> >> osg::Image* image = new osg::Image; >> image->setImage(texWidth, 256, 1, *textureFormat(), pixelFormat(), >> type(),* dataPtr); >> >> texture->setImage(i, image); >> } >> >> >> I am using: >> textureFormat() = GL_R8UI; >> pixelFormat() = GL_RED_INTEGER; >> type() = GL_UNSIGNED_BYTE >> >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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