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...@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...@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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