[osg-users] How to properly transfer texture coordinates in geometric shaders in Shader #130 version?

mirr...@gmail.com mirro187 at gmail.com
Sat Dec 12 22:08:21 PST 2020

sorry, the screenshot is wrong. It should be  samplerU.
I'm basically not sure how to get texture coordinates into  
Shader::FRAGMENT  in Geometric shaders.

在2020年12月10日星期四 UTC+8 下午11:13:21<gwal... at gmail.com> 写道:

> What error are you getting?
> I do see an undefined "samplerY" in there.
> On Wednesday, December 9, 2020 at 9:03:47 PM UTC-5 mirr... at gmail.com 
> wrote:
>> env is win10 osg3.6.4 GTX1660
>> [image: QQ图片20201210095944.jpg]
>> osg::ref_ptr<osg::Program> createProgram()
>> {
>>     osg::Program *program = new osg::Program();
>>     program->addShader(new osg::Shader(osg::Shader::VERTEX,vertSource));
>>     program->addShader(new osg::Shader(osg::Shader::GEOMETRY,geomSource));
>>     program->addShader(new osg::Shader(osg::Shader::FRAGMENT,fragSource));
>>     program->setParameter(GL_GEOMETRY_VERTICES_OUT_EXT, 3);
>>     program->setParameter(GL_GEOMETRY_INPUT_TYPE_EXT, GL_TRIANGLES);
>>     program->setParameter(GL_GEOMETRY_OUTPUT_TYPE_EXT,  GL_TRIANGLES  );
>>     return program;
>> }

You received this message because you are subscribed to the Google Groups "OpenSceneGraph Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to osg-users+unsubscribe at googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/osg-users/89abc9a3-66bf-4248-8e3d-3dfd23235622n%40googlegroups.com.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/attachments/20201212/99760417/attachment.html>

More information about the osg-users mailing list