JavaPrologue glReleaseShaderCompiler if ( !_context.isGLES2Compatible() ) {
JavaPrologue glReleaseShaderCompiler    return;
JavaPrologue glReleaseShaderCompiler }

JavaPrologue glShaderBinary if ( !_context.isGLES2Compatible() ) {
JavaPrologue glShaderBinary     throw new GLException("Method \"glShaderBinary\" not available");
JavaPrologue glShaderBinary }

JavaPrologue glGetShaderPrecisionFormat if ( !_context.isGLES2Compatible() ) {
JavaPrologue glGetShaderPrecisionFormat     throw new GLException("Method \"glGetShaderPrecisionFormat\" not available");
JavaPrologue glGetShaderPrecisionFormat }

JavaPrologue glDepthRangef if ( !_context.isGLES2Compatible() ) {
JavaPrologue glDepthRangef   glDepthRange( (double)zNear, (double)zFar );  
JavaPrologue glDepthRangef   return;
JavaPrologue glDepthRangef }

JavaPrologue glClearDepthf if ( !_context.isGLES2Compatible() ) {
JavaPrologue glClearDepthf   glClearDepth( (double)depth );  
JavaPrologue glClearDepthf   return;
JavaPrologue glClearDepthf }