refacto(points): remove compressed normal support in material

iTowns · Jul 9, 2024 · 24b3641 · 24b3641
1 parent 6e20fcb
commit 24b3641
Showing 1 changed file with 0 additions and 47 deletions.
diff --git a/src/Renderer/Shader/PointsVS.glsl b/src/Renderer/Shader/PointsVS.glsl
@@ -37,57 +37,10 @@ attribute float returnNumber;
 attribute float numberOfReturns;
 attribute float scanAngle;
 
-#if defined(NORMAL_OCT16)
-attribute vec2 oct16Normal;
-#elif defined(NORMAL_SPHEREMAPPED)
-attribute vec2 sphereMappedNormal;
-#endif
-
 varying vec4 vColor;
 
-// see https://web.archive.org/web/20150303053317/http://lgdv.cs.fau.de/get/1602
-// and implementation in PotreeConverter (BINPointReader.cpp) and potree (BinaryDecoderWorker.js)
-#if defined(NORMAL_OCT16)
-vec3 decodeOct16Normal(vec2 encodedNormal) {
-    vec2 nNorm = 2. * (encodedNormal / 255.) - 1.;
-    vec3 n;
-    n.z = 1. - abs(nNorm.x) - abs(nNorm.y);
-    if (n.z >= 0.) {
-        n.x = nNorm.x;
-        n.y = nNorm.y;
-    } else {
-        n.x = sign(nNorm.x) - sign(nNorm.x) * sign(nNorm.y) * nNorm.y;
-        n.y = sign(nNorm.y) - sign(nNorm.y) * sign(nNorm.x) * nNorm.x;
-    }
-    return normalize(n);
-}
-#elif defined(NORMAL_SPHEREMAPPED)
-// see http://aras-p.info/texts/CompactNormalStorage.html method #4
-// or see potree's implementation in BINPointReader.cpp
-vec3 decodeSphereMappedNormal(vec2 encodedNormal) {
-    vec2 fenc = 2. * encodedNormal / 255. - 1.;
-    float f = dot(fenc,fenc);
-    float g = 2. * sqrt(1. - f);
-    vec3 n;
-    n.xy = fenc * g;
-    n.z = 1. - 2. * f;
-    return n;
-}
-#endif
-
 void main() {
 
-#if defined(NORMAL_OCT16)
-    vec3  normal = decodeOct16Normal(oct16Normal);
-#elif defined(NORMAL_SPHEREMAPPED)
-    vec3 normal = decodeSphereMappedNormal(sphereMappedNormal);
-#elif defined(NORMAL)
-    // nothing to do
-#else
-    // default to color
-    vec3 normal = color;
-#endif
-
     if (picking) {
         vColor = unique_id;
     } else {