2e82f95237
The cache mechanism for line art is changed during migration to GPv3, however the code path failed to handle following cases which could lead to a few problems: - Line art cache isn't deleted after last line art modifier because it coule be hidden, causing memory leaks. - A modifier inside a multiple line art modifier sequence that doesn't use cache would prematurely delete line art cache, causing subsequent line art modifier to give empty result. - When the first line art modifier is hidden (in viewport/render), the cache is not created correctly, leading to crashes. Now the new code logic addresses these problems properly by: - Making sure the last visible line art modifier deletes cache. - Giving a fresh cache pointer for modifiers that doesn't use global cache. - Line art cache is correctly ensured when there are modifiers that are hidden Pull Request: https://projects.blender.org/blender/blender/pulls/129953
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