0.2.1/documentation/r2-documentation-0.2.1.zip

 /// \file R2DebugNormalCompression.frag
 /// \brief Treats the input data as a normal vector, compresses it, and writes it to the first fragment output.

 #include "R2Normals.h"

 uniform vec4 data;

 layout(location = 0) out vec4 R2_out;

 void
 main (void)
 {
   vec3 n  = data.xyz;
   vec2 nc = R2_normalsCompress (n);
   vec3 nd = R2_normalsDecompress (nc);
   R2_out = vec4 (nd, 1.0);
 }
layout
layout(location=0) in vec3 R2_vertex_world_position
World-space position.

R2Normals.h
Functions for transforming normal vectors.

R2_normalsDecompress
vec3 R2_normalsDecompress(const vec2 n)
Definition: R2Normals.h:34

R2_normalsCompress
vec2 R2_normalsCompress(const vec3 n)
Definition: R2Normals.h:17