commit | 49998b939bf397efedfb6a82ddaca3c9fb1990a6 | [log] [tgz] |
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author | Emircan Uysaler <uysalere@gmail.com> | Thu Sep 07 14:14:46 2023 -0400 |
committer | emircan <uysalere@gmail.com> | Mon Sep 11 18:13:52 2023 -0400 |
tree | 7a74007609a3d19bc3009aa09a5eb7e83bba47eb | |
parent | 749e67a947bc0183c90ba40f39ef95584f65ef9b [diff] |
[fuchsia] Restructure Flatland vsync loop (#45531) This CL restructures Flatland vsync loop to fire for each vsync instead of each OnNextFrameBegin. As shown in the traces attached to the bug, the current implementation of firing callbacks on each OnNextFrameBegin causes skips when Flutter has longer draw calls. By scheduling frames in between, we are increasing the chance of sending one before the latch point. OnNextFrameBegin is now used to keep track of present credits and future presentation times as well as when to start frame, replacing the need for max_frames_in_flight and vsync_offset fields. Bug: b/296272449 (cherry picked from commit 633ba427c498d9a5d096ac4979ecaa83ace4deaa)
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