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// -*- mode: c -*-
#ifdef GLSL330
layout (location = 0) in vec3 position;
#elif defined(GLSL130)
in vec3 position;
#elif defined(GLSL120)
attribute vec3 position;
#endif
#ifdef GLSL120
varying vec3 fragDir;
#else
out vec3 fragDir;
#endif
uniform mat4 view;
uniform mat4 projection;
void main() {
// Remove the translation part of the view matrix.
mat4 viewDir = mat4(mat3(view));
fragDir = position;
gl_Position = projection * viewDir * vec4(position, 1.0);
}
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