Make ClearColorConfig::None work correctly (esp in the presence of MSAA)#23844
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tychedelia wants to merge 4 commits intobevyengine:mainfrom
Open
Make ClearColorConfig::None work correctly (esp in the presence of MSAA)#23844tychedelia wants to merge 4 commits intobevyengine:mainfrom
ClearColorConfig::None work correctly (esp in the presence of MSAA)#23844tychedelia wants to merge 4 commits intobevyengine:mainfrom
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tychedelia
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@beicause Some more here about MSAA writeback, I know you've had opinions here before. |
beicause
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Apr 17, 2026
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| // re-use the same atomics frame to frame for views with the same main texture | ||
| // to ensure post process writes persist through msaa writeback | ||
| let main_texture = main_texture_atomics | ||
| .get(&key) | ||
| .and_then(Weak::upgrade) | ||
| .unwrap_or_else(|| { | ||
| let arc = Arc::new(AtomicUsize::new(0)); | ||
| main_texture_atomics.insert(key.clone(), Arc::downgrade(&arc)); | ||
| arc | ||
| }); |
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Can use HashMap.entry
Is it correct to use Weak<AtomicUsize>, won’t it be dropped at the start of each frame?
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Two separate issues:
Loadsemantics on their camera and MSAA is enabled, otherwise we'll throw away the main target texture incorrectly.