Ok so I meant GL_ vars. Could you suggest any code for substituting that setImage line? Thank you
> On 19 Jul 2016, at 09:35, Sebastian Messerschmidt > <sebastian.messerschm...@gmx.de> wrote: > > Hi Bruno, >> Sorry but I didn't quite catch that. >> What do you mean by "but I thing you need to use GL_RGBA_INTEGER_EXT as >> source" > The source type needs to be GL_RGBA_INTEGER_EXT afaik when using integer > textures. >> Alternatively, how can I replace the macros in that setImage function call? > Which macros? The GL_ are constants. > > Cheers > Sebastian >> >> 2016-07-19 8:45 GMT+01:00 Sebastian Messerschmidt >> <sebastian.messerschm...@gmx.de>: >>> Hi, >>> >>> Your internal format needs to be 16bit per channel to I think, so >>> GL_UNSIGNED_INT_8_8_8_8_REV might be inappropriate. >>> GL_R16UI might do, but I thing you need to use GL_RGBA_INTEGER_EXT as >>> source. Alternatively you can use GL_LUMINANCE with GL_LUMINACE16F. >>> >>> What exactly are you doing with the image? >>> >>> Cheers >>> Sebastian >>>> Hello, >>>> >>>> I have a 16bit per channel, 4 channel, image. The format is short >>>> (uint16_t). Note that this image is scaled to the full 16bit depth [0, >>>> 65536] >>>> >>>> >>>> I have this code that works well for a 8bit, 4 channel image: >>>> >>>> osg::ref_ptr<osg::Image> image = new osg::Image(); >>>> image->setImage(ImageSize, ImageSize,1, >>>> GL_RGBA8, >>>> GL_RGBA, >>>> GL_UNSIGNED_INT_8_8_8_8_REV, >>>> MyDataPtr, >>>> osg::Image::NO_DELETE); >>>> >>>> >>>> >>>> Now I want to por this to 16bit depth. >>>> How is this done? >>>> >>>> I tried >>>> >>>> image->setImage(ImageSize, ImageSize,1, >>>> GL_RGBA16UI, >>>> GL_RGBA, >>>> GL_UNSIGNED_INT_8_8_8_8_REV, >>>> MyDataPtr, >>>> osg::Image::NO_DELETE); >>>> >>>> But this yields all black textures. How can I do this without converting >>>> my 16bit image pixel data? >>>> >>>> >>>> _______________________________________________ >>>> osg-users mailing list >>>> osg-users@lists.openscenegraph.org >>>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>> >>> >>> _______________________________________________ >>> osg-users mailing list >>> osg-users@lists.openscenegraph.org >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> >> >> _______________________________________________ >> osg-users mailing list >> osg-users@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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