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Anim: restrict keylist creation for NLA drawing code #119470

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Christoph Lendenfeld merged 1 commits from ChrisLend/blender:nla_limit_keylist into main 2024-03-22 12:09:48 +01:00
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Christoph Lendenfeld commented 2024-03-14 16:15:32 +01:00
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When previewing an action in the NLA, the drawing code would
calculate the Keylist for the whole action regardless of what is shown.
This patch limits the keylist creation to only do it for the viewport range
increasing performance in the case when less than the whole action is visible.

Test file with 10.000 keys per channel.
Time it takes to run nla_action_draw_keyframes

- Before After
whole F-Curve visible 60ms 60ms
zoomed in 60ms 1.6ms

Test file used
https://download.blender.org/ftp/sybren/animation-rigging/heavy_mocap_test.blend

When previewing an action in the NLA, the drawing code would calculate the Keylist for the whole action regardless of what is shown. This patch limits the keylist creation to only do it for the viewport range increasing performance in the case when less than the whole action is visible. ------ Test file with 10.000 keys per channel. Time it takes to run `nla_action_draw_keyframes` | - | Before | After | | - | - | - | | whole F-Curve visible | 60ms | 60ms | | zoomed in | 60ms | 1.6ms | Test file used https://download.blender.org/ftp/sybren/animation-rigging/heavy_mocap_test.blend
❤️ 1
Christoph Lendenfeld added the
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Animation & Rigging
 label 2024-03-14 16:15:32 +01:00
Christoph Lendenfeld added 1 commit 2024-03-14 16:15:41 +01:00
Christoph Lendenfeld added this to the 4.2 LTS milestone 2024-03-14 16:21:28 +01:00
Brad Clark commented 2024-03-15 03:26:47 +01:00
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Happy it will make the LTS version! Thank you

Happy it will make the LTS version! Thank you
Sybren A. Stüvel requested review from Sybren A. Stüvel 2024-03-22 11:47:56 +01:00
Sybren A. Stüvel approved these changes 2024-03-22 12:02:59 +01:00
Sybren A. Stüvel left a comment
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LGTM!

LGTM!
Christoph Lendenfeld merged commit 24b4461be3 into main 2024-03-22 12:09:48 +01:00
Christoph Lendenfeld deleted branch nla_limit_keylist 2024-03-22 12:09:51 +01:00
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Reference: blender/blender#119470
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