cc: Move gpu rasterization flag from LayerImpl to LayerTreeImpl.
BUG=367198
Review URL: https://codereview.chromium.org/270823003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269576 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index 962ce7d..97e9c17 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -92,6 +92,7 @@
min_page_scale_factor_(0),
max_page_scale_factor_(0),
scrolling_layer_id_from_previous_tree_(0),
+ use_gpu_rasterization_(false),
contents_textures_purged_(false),
requires_high_res_to_draw_(false),
viewport_size_invalid_(false),
@@ -110,6 +111,11 @@
void LayerTreeImpl::Shutdown() { root_layer_.reset(); }
+void LayerTreeImpl::ReleaseResources() {
+ if (root_layer_)
+ ReleaseResourcesRecursive(root_layer_.get());
+}
+
void LayerTreeImpl::SetRootLayer(scoped_ptr<LayerImpl> layer) {
if (inner_viewport_scroll_layer_)
inner_viewport_scroll_layer_->SetScrollOffsetDelegate(NULL);
@@ -220,6 +226,8 @@
target_tree->set_background_color(background_color());
target_tree->set_has_transparent_background(has_transparent_background());
+ target_tree->use_gpu_rasterization_ = use_gpu_rasterization();
+
if (ContentsTexturesPurged())
target_tree->SetContentsTexturesPurged();
else
@@ -437,6 +445,14 @@
outer_viewport_scroll_layer_ = NULL;
}
+void LayerTreeImpl::SetUseGpuRasterization(bool use_gpu) {
+ if (use_gpu == use_gpu_rasterization_)
+ return;
+
+ use_gpu_rasterization_ = use_gpu;
+ ReleaseResources();
+}
+
void LayerTreeImpl::UpdateDrawProperties() {
needs_update_draw_properties_ = false;
render_surface_layer_list_.clear();
@@ -995,4 +1011,15 @@
return layers_with_copy_output_request_;
}
+void LayerTreeImpl::ReleaseResourcesRecursive(LayerImpl* current) {
+ DCHECK(current);
+ current->ReleaseResources();
+ if (current->mask_layer())
+ ReleaseResourcesRecursive(current->mask_layer());
+ if (current->replica_layer())
+ ReleaseResourcesRecursive(current->replica_layer());
+ for (size_t i = 0; i < current->children().size(); ++i)
+ ReleaseResourcesRecursive(current->children()[i]);
+}
+
} // namespace cc
