/usr/share/gem/examples/10.glsl/multitexture.vert is in gem-doc 1:0.93.3-5ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | varying vec2 texcoord1;
varying vec2 texcoord2;
void main()
{
texcoord1 = (gl_TextureMatrix[0] * gl_MultiTexCoord0).st;
texcoord2 = (gl_TextureMatrix[1] * gl_MultiTexCoord1).st;
gl_Position = ftransform();
}
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