I'd suggest making it an option for now, or only enabled when FSAA is on. Joe
On Thu, Jan 14, 2010 at 12:49 AM, Damien Plisson <[email protected]> wrote: > Unfortunately, even with glDisable(GL_MULTISAMPLE_ARB), there are still > artifacts (at least n nvidia) that break the color coding method. And thus > weird things happen, like orphan out of the selection area vertices being > selected. > > Occlusion query is part of openGL standard from rev. 1.5. So it should work > well with other cards, but I'm interested to get feedback from ati/intel > cards owners... > > Damien > > > Le 14 janv. 2010 à 06:19, joe a écrit : > >> Though of course rewriting it more properly is good too. I've not >> looked into occlusion query since the original nvidia extension; how >> well does it work across disparate video cards? >> >> Joe >> >> On Wed, Jan 13, 2010 at 9:15 PM, joe <[email protected]> wrote: >>> Explicitly disabling it in the selection draw functions seemed to work >>> well enough before, via glDisable(GL_ARB_MULTISELECT). >>> >>> Joe >>> >>> On Wed, Jan 13, 2010 at 8:32 AM, Damien Plisson <[email protected]> >>> wrote: >>>> Hi all, >>>> >>>> FSAA was breaking border/lasso select operations (e.g. orphan vertices >>>> were selected). >>>> >>>> FYI, The root cause for this issue is that as soon as FSAA is enabled at >>>> pixelformat level, even if not enabled afterwards, some color artifacts >>>> may appear in draw operations. >>>> This breaks the color coding selection method that is currently used in >>>> Blender for various selection tools like border, lasso, circle... when >>>> occlude geometry is enabled. >>>> >>>> To fix it, the color coding selection method has to be replaced, and this >>>> is what this patch does by implementing the occlusion query method for the >>>> border/lasso/circle selection tools: >>>> >>>> http://projects.blender.org/tracker/index.php?func=detail&aid=20660&group_id=9&atid=127 >>>> >>>> I'm looking forward for your feedback / comments / suggestions... >>>> >>>> Damien >>>> _______________________________________________ >>>> Bf-committers mailing list >>>> [email protected] >>>> http://lists.blender.org/mailman/listinfo/bf-committers >>>> >>> >> _______________________________________________ >> Bf-committers mailing list >> [email protected] >> http://lists.blender.org/mailman/listinfo/bf-committers > > _______________________________________________ > Bf-committers mailing list > [email protected] > http://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
