/* | |
Copyright (c) 2019 The Khronos Group Inc. | |
Use of this source code is governed by an MIT-style license that can be | |
found in the LICENSE.txt file. | |
*/ | |
attribute vec4 gtf_Vertex; | |
void main() | |
{ | |
gtf_Vertex = vec4(1.0,2.0,3.0, 4.0); // cannot modify an attribute | |
} |