Closed Bug 1639889 Opened 4 years ago Closed 2 years ago

Scrolling hackmd.io is much worse in Firefox than Chrome

Categories

(Core :: Graphics: WebRender, defect)

Product:
Core
Component:
Graphics: WebRender
Type:
defect

Tracking

()

Status:
RESOLVED WORKSFORME

People

(Reporter: jrmuizel, Unassigned)

References

(Blocks 3 open bugs)

Details

Blocks: wr-perf, wr-mac
Severity: -- → S3
  • A lot of glyph rasterization most frames (even when scrolling the same parts over and over),
  • Frame building times are quite high and somewhat spiky (avg 7ms, max 33ms),
  • There's scene building happening continuously which doesn't help (4ms avg, 9ms max).
  • Renderer times not great but Okay-ish
  • GPU times slightly above 16ms
  • About 450 draw calls which
Blocks: 1681339, wr-batching, wr-gpu-time
No longer blocks: wr-perf

Seems to run well now. I see GPU times < 1 ms on a low-end AMD GPU, draw calls are 30 - 50. Frame times look good.

Status: NEW → RESOLVED
Closed: 2 years ago
Resolution: --- → WORKSFORME
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