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authorBrecht Van Lommel <brecht@blender.org>2022-07-26 17:07:50 +0300
committerBrecht Van Lommel <brecht@blender.org>2022-07-27 22:03:33 +0300
commit38af5b0501005d8ee84a59f027417bf6a31fcc5e (patch)
tree0856dd31787e59abe9300a8d4b3c6b37be3cfbc8 /intern/cycles/kernel/osl
parent69f2732a1391680d252c86365b2df62b084ceeb8 (diff)
Cycles: switch Cycles triangle barycentric convention to match Embree/OptiX
Simplifies intersection code a little and slightly improves precision regarding self intersection. The parametric texture coordinate in shader nodes is still the same as before for compatibility.
Diffstat (limited to 'intern/cycles/kernel/osl')
-rw-r--r--intern/cycles/kernel/osl/shaders/node_geometry.osl2
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/kernel/osl/shaders/node_geometry.osl b/intern/cycles/kernel/osl/shaders/node_geometry.osl
index 23d4c2ee66f..cc891abd6e3 100644
--- a/intern/cycles/kernel/osl/shaders/node_geometry.osl
+++ b/intern/cycles/kernel/osl/shaders/node_geometry.osl
@@ -20,7 +20,7 @@ shader node_geometry(normal NormalIn = N,
Normal = NormalIn;
TrueNormal = Ng;
Incoming = I;
- Parametric = point(u, v, 0.0);
+ Parametric = point(1.0 - u - v, u, 0.0);
Backfacing = backfacing();
if (bump_offset == "dx") {