FragUserData
OpenGL学习笔记-3：编译shader报错： cannot convert from 'const highp float' to 'FragUserData 4-component vector of highp float'
报错信息： ERROR::SHADER_COMPILATION_ERROR of type: FRAGMENTERROR: 0:10: 'assign' : cannot convert from 'const highp float' to 'FragUserData 4-component ve ......