Fix T66008 Viewport: hidden edges are partially visible

This was a regression from 2.79. The zoffset was doubled for some reason.
Referenced by issue #66008, Viewport: edge drawing artefacts (hidden edges are partially visible)
2019-07-08 14:18:12 +02:00 · 2019-07-08 14:18:12 +02:00 · 7767e080a0 · 2023-02-14 06:17:14 +01:00
parent 1715c396e4
commit 7767e080a0
1 changed files with 3 additions and 0 deletions
--- a/source/blender/editors/screen/glutil.c
+++ b/source/blender/editors/screen/glutil.c
@ -475,6 +475,9 @@ void immDrawPixelsTex_clipping(IMMDrawPixelsTexState *state,

 float bglPolygonOffsetCalc(const float winmat[16], float viewdist, float dist)
 {
+  /* Seems like we have a factor of 2 more offset than 2.79 for some reason. Correct for this. */
+  dist *= 0.5f;
+
  if (winmat[15] > 0.5f) {
 #if 1
    return 0.00001f * dist * viewdist;  // ortho tweaking