Fix a warning in motion_search.frag.

diff --git a/motion_search.frag b/motion_search.frag
index 9ef607c3fae79146b3b5ab97ab5298d8456b9faa..12ebf1a38632ac533792c966ab828532f4767b92 100644 (file)
--- a/motion_search.frag
+++ b/motion_search.frag
@@ -48,8 +48,8 @@ uniform vec2 inv_image_size, inv_prev_level_size;
 
 vec3 unpack_gradients(uint v)
 {
-       uint vi = v & 0xff;
-       uint xi = (v >> 8) & 0xfff;
+       uint vi = v & 0xffu;
+       uint xi = (v >> 8) & 0xfffu;
        uint yi = v >> 20;
        vec3 r = vec3(xi * (1.0f / 4095.0f) - 0.5f, yi * (1.0f / 4095.0f) - 0.5f, vi * (1.0f / 255.0f));
        return r;