diff options
| author | danakj@chromium.org <danakj@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-03-17 23:11:38 +0000 |
|---|---|---|
| committer | danakj@chromium.org <danakj@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-03-17 23:11:38 +0000 |
| commit | f31cf7bf95f70d41e183fca70cb9a1cfe86e2850 (patch) | |
| tree | 94b8b66fecd35a0165a980944dc2dfb262c0f25a /cc/layers/io_surface_layer_impl.cc | |
| parent | f1fe3115997b08ea26920e2ac6920eb0e9cdbe90 (diff) | |
| download | chromium_src-f31cf7bf95f70d41e183fca70cb9a1cfe86e2850.zip chromium_src-f31cf7bf95f70d41e183fca70cb9a1cfe86e2850.tar.gz chromium_src-f31cf7bf95f70d41e183fca70cb9a1cfe86e2850.tar.bz2 | |
cc: Apply occlusion before creating quads in IOSurfaceLayerImpl.
This makes the AppendQuads method query occlusion directly and subtract
it from the quads it would create before they are created, skipping
quads that are completely occluded and avoiding a malloc/free for them.
R=enne
BUG=344962
Review URL: https://codereview.chromium.org/200423005
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@257520 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'cc/layers/io_surface_layer_impl.cc')
| -rw-r--r-- | cc/layers/io_surface_layer_impl.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/cc/layers/io_surface_layer_impl.cc b/cc/layers/io_surface_layer_impl.cc index 4287978..c40e05e 100644 --- a/cc/layers/io_surface_layer_impl.cc +++ b/cc/layers/io_surface_layer_impl.cc @@ -113,7 +113,11 @@ void IOSurfaceLayerImpl::AppendQuads(QuadSink* quad_sink, gfx::Rect quad_rect(content_bounds()); gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect()); - gfx::Rect visible_quad_rect(quad_rect); + gfx::Rect visible_quad_rect = quad_sink->UnoccludedContentRect( + quad_rect, draw_properties().target_space_transform); + if (visible_quad_rect.IsEmpty()) + return; + scoped_ptr<IOSurfaceDrawQuad> quad = IOSurfaceDrawQuad::Create(); quad->SetNew(shared_quad_state, quad_rect, @@ -122,7 +126,7 @@ void IOSurfaceLayerImpl::AppendQuads(QuadSink* quad_sink, io_surface_size_, io_surface_resource_id_, IOSurfaceDrawQuad::FLIPPED); - quad_sink->MaybeAppend(quad.PassAs<DrawQuad>()); + quad_sink->Append(quad.PassAs<DrawQuad>()); } void IOSurfaceLayerImpl::ReleaseResources() { |