Closed Bug 1737289 Opened 4 years ago Closed 2 years ago

Protect against extra RenderSharedSurfaceTextureHost::UnmapPlane calls

Categories

(Core :: Graphics: WebRender, task, P3)

Product:
Core
Component:
Graphics: WebRender
Type:
task

Tracking

()

Status:
RESOLVED INACTIVE

People

(Reporter: aosmond, Assigned: aosmond)

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(1 file)

Bug 1737289 - Protect against spurious RenderSharedSurfaceTextureHost::UnmapPlane calls.
48 bytes, text/x-phabricator-request
Details | Review

All of the other RenderTextureHost implementations are done in such a way that multiple/extra UnmapPlane/Unlock calls are safe. We should do this for RenderSharedSurfaceTextureHost as well, just in case.

We do this in all of the other RenderTextureHost implementations. We
should do this for RenderSharedSurfaceTextureHost as well, just in case.
Extra unmapping calls would be bad and could break the map-in-on-demand
logic used to minimize our virtual memory footprint on 32-bit Firefox.

Status: ASSIGNED → RESOLVED
Closed: 2 years ago
Resolution: --- → INACTIVE
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