Initial import.

1 files changed, 58 insertions, 0 deletions

diff --git a/chromium/cc/layers/heads_up_display_layer.cc b/chromium/cc/layers/heads_up_display_layer.cc
new file mode 100644
index 00000000000..92486cc8515
--- /dev/null
+++ b/chromium/cc/layers/heads_up_display_layer.cc
@@ -0,0 +1,58 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cc/layers/heads_up_display_layer.h"
+
+#include <algorithm>
+
+#include "base/debug/trace_event.h"
+#include "cc/layers/heads_up_display_layer_impl.h"
+#include "cc/trees/layer_tree_host.h"
+
+namespace cc {
+
+scoped_refptr<HeadsUpDisplayLayer> HeadsUpDisplayLayer::Create() {
+  return make_scoped_refptr(new HeadsUpDisplayLayer());
+}
+
+HeadsUpDisplayLayer::HeadsUpDisplayLayer() {}
+
+HeadsUpDisplayLayer::~HeadsUpDisplayLayer() {}
+
+void HeadsUpDisplayLayer::PrepareForCalculateDrawProperties(
+    gfx::Size device_viewport, float device_scale_factor) {
+  gfx::Size device_viewport_in_layout_pixels = gfx::Size(
+      device_viewport.width() / device_scale_factor,
+      device_viewport.height() / device_scale_factor);
+
+  gfx::Size bounds;
+  gfx::Transform matrix;
+  matrix.MakeIdentity();
+
+  if (layer_tree_host()->debug_state().ShowHudRects()) {
+    int max_texture_size =
+        layer_tree_host()->GetRendererCapabilities().max_texture_size;
+    bounds.SetSize(std::min(max_texture_size,
+                            device_viewport_in_layout_pixels.width()),
+                   std::min(max_texture_size,
+                            device_viewport_in_layout_pixels.height()));
+  } else {
+    int size = 256;
+    bounds.SetSize(size, size);
+    matrix.Translate(device_viewport_in_layout_pixels.width() - size, 0.0);
+  }
+
+  SetBounds(bounds);
+  SetTransform(matrix);
+}
+
+bool HeadsUpDisplayLayer::DrawsContent() const { return true; }
+
+scoped_ptr<LayerImpl> HeadsUpDisplayLayer::CreateLayerImpl(
+    LayerTreeImpl* tree_impl) {
+  return HeadsUpDisplayLayerImpl::Create(tree_impl, layer_id_).
+      PassAs<LayerImpl>();
+}
+
+}  // namespace cc