Not all GL implementations are following the glShaderSource signature specified by Khronos for GLES20. https://www.khronos.org/registry/OpenGL-Refpages/es2.0/xhtml/glShaderSource.xml
Not all GL implementations are following the glShaderSource signature specified by Khronos for GLES20. https://www.khronos.org/registry/OpenGL-Refpages/es2.0/xhtml/glShaderSource.xml