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DRTVWR-592: (WIP) (has debug) More rigorous definition of usage vector for triplanar that avoids possible case where 1 = 0.9999, which gets rounded down to 0 on int cast

meow-7.2.2
Cosmic Linden 2023-10-13 10:42:07 -07:00
parent 823fcddcb5
commit c48837ef9b
1 changed files with 5 additions and 5 deletions
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10
indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl
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@ -97,7 +97,7 @@ struct TerrainWeight
int type;
#if TERRAIN_DEBUG
vec3 weight_signed;
vec3 usage;
ivec3 usage;
#endif
};
@ -109,10 +109,10 @@ TerrainWeight _t_weight(TerrainCoord terrain_coord)
weight_signed -= vec3(threshold);
TerrainWeight tw;
tw.weight = max(vec3(0), weight_signed);
vec3 usage = max(vec3(0), sign(weight_signed));
tw.type = (int(usage.x) * SAMPLE_X) |
(int(usage.y) * SAMPLE_Y) |
(int(usage.z) * SAMPLE_Z);
ivec3 usage = ivec3(round(max(vec3(0), sign(weight_signed))));
tw.type = ((usage.x) * SAMPLE_X) |
((usage.y) * SAMPLE_Y) |
((usage.z) * SAMPLE_Z);
#if TERRAIN_DEBUG
tw.weight_signed = weight_signed;
tw.usage = usage;