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| author | Campbell Barton <ideasman42@gmail.com> | 2016-02-09 03:56:40 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2016-02-09 04:00:08 +0300 |
| commit | 97d9d6224c5e3be3e3ddff012558ed9e03cf0e32 (patch) | |
| tree | 9824038e045d6ee07941ae616754afec4c4506e6 /source/blender/blenloader/intern/versioning_defaults.c | |
| parent | 2ac88328b00556dee2acdcab094162d8e3c771ae (diff) | |
Set clip alpha to small non-zero value
This amends 089d2a18 which was a known driver bug (T46962),
increasing the clipping to avoid precision issues.
Diffstat (limited to 'source/blender/blenloader/intern/versioning_defaults.c')
| -rw-r--r-- | source/blender/blenloader/intern/versioning_defaults.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/source/blender/blenloader/intern/versioning_defaults.c b/source/blender/blenloader/intern/versioning_defaults.c index 894d5997451..ddfbf1895a0 100644 --- a/source/blender/blenloader/intern/versioning_defaults.c +++ b/source/blender/blenloader/intern/versioning_defaults.c @@ -64,8 +64,10 @@ void BLO_update_defaults_userpref_blend(void) /* default from T47064 */ U.audiorate = 48000; - /* for some reason U.glalphaclip was 1.8367099231598242e-40 */ - U.glalphaclip = 0.0f; + /* Keep this a very small, non-zero number so zero-alpha doesn't mask out objects behind it. + * but take care since some hardware has driver bugs here (T46962). + * Further hardware workarounds should be made in gpu_extensions.c */ + U.glalphaclip = (1.5f / 255); } /** |