Commit: c0ae38f65642da42909420e444ef464686773e49 Author: Alexander Romanov Date: Wed Apr 27 19:14:13 2016 +1000 Branches: master https://developer.blender.org/rBc0ae38f65642da42909420e444ef464686773e49
Fix artifacts w/ low near clear in bglPolygonOffset =================================================================== M source/blender/editors/screen/glutil.c =================================================================== diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c index b7ad911..a1c330d 100644 --- a/source/blender/editors/screen/glutil.c +++ b/source/blender/editors/screen/glutil.c @@ -795,8 +795,13 @@ void bglPolygonOffset(float viewdist, float dist) #endif } else { - /* should be clipping value or so... */ - offs = 0.0005f * dist; + /* This adjustment effectively results in reducing the Z value by 0.25%. + * + * winmat[14] actually evaluates to `-2 * far * near / (far - near)`, + * is very close to -0.2 with default clip range, and is used as the coefficient multiplied by `w / z`, + * thus controlling the z dependent part of the depth value. + */ + offs = winmat[14] * -0.0025f * dist; } winmat[14] -= offs; _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org https://lists.blender.org/mailman/listinfo/bf-blender-cvs