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vec4 pck(vec3 v1, vec3 v2) { uint3 h1 = f32tof16(v1); uint3 h2 = f32tof16(v2); uint4 pk; // ? z1 y1 x1 pk.x = h1.x | (h1.y << 16); pk.y = h1.z; // ? z2 y2 x2 pk.z = h2.x | (h2.y << 16); pk.w = h2.z; return asfloat(pk); }
Pasted May 18, 2011 9:20AM EDT
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