load GLShader
open fun loadGLShader(tag: String, context: Context, type: Int, filename: String, defineValuesMap: Map<String, Integer>): Int
Converts a raw text file, saved as a resource, into an OpenGL ES shader.
Return
The shader object handler.
Parameters
type
filename
define Values Map
Overload of loadGLShader that assumes no additional #define values to add.