Ozone integration.

ui/ozone/platform/drm/gpu/overlay_plane.cc

+// Copyright 2014 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 "ui/ozone/platform/drm/gpu/overlay_plane.h"
+
+#include "base/logging.h"
+#include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
+
+namespace ui {
+
+OverlayPlane::OverlayPlane(scoped_refptr<ScanoutBuffer> buffer)
+    : buffer(buffer),
+      display_bounds(gfx::Point(), buffer->GetSize()),
+      crop_rect(0, 0, 1, 1) {
+}
+
+OverlayPlane::OverlayPlane(scoped_refptr<ScanoutBuffer> buffer,
+                           int z_order,
+                           gfx::OverlayTransform plane_transform,
+                           const gfx::Rect& display_bounds,
+                           const gfx::RectF& crop_rect)
+    : buffer(buffer),
+      z_order(z_order),
+      plane_transform(plane_transform),
+      display_bounds(display_bounds),
+      crop_rect(crop_rect) {
+}
+
+OverlayPlane::~OverlayPlane() {
+}
+
+// static
+const OverlayPlane* OverlayPlane::GetPrimaryPlane(
+    const OverlayPlaneList& overlays) {
+  for (size_t i = 0; i < overlays.size(); ++i) {
+    if (overlays[i].z_order == 0)
+      return &overlays[i];
+  }
+
+  return nullptr;
+}
+
+}  // namespace ui