/usr/share/gem/examples/10.glsl/vague.frag is in gem-doc 1:0.93.3-9build1.
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 12 13 14 15 16 17 18 19 20 21 22 23 | // Cyrille Henry 2007
#extension GL_ARB_texture_rectangle : enable
uniform float K;
uniform sampler2DRect texture, texture1, texture2;
const float dx = 1.;
const float dy = 1.;
const float dp = 1.;
void main (void)
{
float light;
vec2 position = gl_TexCoord[0].st;
vec4 C, C1;
C = texture2DRect(texture2, position) ;
vec4 color2 = texture2DRect(texture1, (position+K*C.rg));
gl_FragColor = color2;
}
|