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| author | Bo Liu <boliu@chromium.org> | 2015-06-11 14:11:49 -0700 |
|---|---|---|
| committer | Bo Liu <boliu@chromium.org> | 2015-06-11 21:12:56 +0000 |
| commit | dcf0fe2c579d3d9bd64c688d2c02e86866dcd428 (patch) | |
| tree | 4b03fb93fdd545c5f793fc920669df73da3fa2f1 | |
| parent | 636cb2dfa0590d101bb55e2a2b2229675285964d (diff) | |
| download | chromium_src-dcf0fe2c579d3d9bd64c688d2c02e86866dcd428.zip chromium_src-dcf0fe2c579d3d9bd64c688d2c02e86866dcd428.tar.gz chromium_src-dcf0fe2c579d3d9bd64c688d2c02e86866dcd428.tar.bz2 | |
Synchronously drop tile textures in android webview
Merely applying zero memory is not enough to synchronously drop all tile
textures. Instead destroy and recreate TileManager instead.
BUG=496057, 499004
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
Review URL: https://codereview.chromium.org/1176713002
Cr-Commit-Position: refs/heads/master@{#334020}
(cherry picked from commit 3d442d362ddec4594dc12983d88bdbe24f1c361c)
TBR=boliu@chromium.org
Review URL: https://codereview.chromium.org/1178223005.
Cr-Commit-Position: refs/branch-heads/2403@{#286}
Cr-Branched-From: f54b8097a9c45ed4ad308133d49f05325d6c5070-refs/heads/master@{#330231}
| -rw-r--r-- | cc/trees/layer_tree_host_impl.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc index 5e02cab..ae6fcb8 100644 --- a/cc/trees/layer_tree_host_impl.cc +++ b/cc/trees/layer_tree_host_impl.cc @@ -1296,6 +1296,20 @@ void LayerTreeHostImpl::NotifyTileStateChanged(const Tile* tile) { void LayerTreeHostImpl::SetMemoryPolicy(const ManagedMemoryPolicy& policy) { SetManagedMemoryPolicy(policy); + + // This is short term solution to synchronously drop tile resources when + // using synchronous compositing to avoid memory usage regression. + // TODO(boliu): crbug.com/499004 to track removing this. + if (!policy.bytes_limit_when_visible && tile_manager_ && + settings_.using_synchronous_renderer_compositor) { + ReleaseTreeResources(); + // TileManager destruction will synchronoulsy wait for all tile workers to + // be cancelled or completed. This allows all resources to be freed + // synchronously. + DestroyTileManager(); + CreateAndSetTileManager(); + RecreateTreeResources(); + } } void LayerTreeHostImpl::SetTreeActivationCallback( |