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

[mirr...@gmail.com]

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;
>> }
>>
>

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