GL_ANGLE_translated_shader_source
https://code.google.com/p/angleproject/source/browse/#git%2Fextensions
GL_ANGLE_translated_shader_source
	GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
	void glGetTranslatedShaderSourceANGLE (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source)