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Fix T42641, Graphical fragments showing on Blender 2.71 and higher when baking. 

Safe for 2.73...

This revert rB9b0ab890676790bb1e8e77797629b889ea66f69e - needed to set that threshold to a small
negative value to remove the last artefacts reported in T39735, but now I could not reproduce
any with the previous 0.0f value, so restoring it for the time being.

If this 'shadowed neighbor face' case re-appears, we can always choose a value in-between, like -1e-18f...
This commit is contained in:
Bastien Montagne 2014-12-26 12:54:03 +01:00
parent 2b595579e3
commit cf178f71ac
Notes: blender-bot 2023-02-14 09:48:24 +01:00 
Referenced by issue #43202, Serious morie patterns with 2.73 that were not there with 2.72
Referenced by issue #42641, Graphical fragments showing on Blender 2.71 and higher when baking.
1 changed files with 1 additions and 1 deletions
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source/blender/render/intern/include/rayintersection.h
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@ -121,7 +121,7 @@ typedef struct Isect {
/* arbitrary, but can't use e.g. FLT_MAX because of precision issues */
#define RE_RAYTRACE_MAXDIST 1e15f
#define RE_RAYTRACE_EPSILON -FLT_EPSILON
#define RE_RAYTRACE_EPSILON 0.0f
#ifdef __cplusplus
}