1 files changed, 42 insertions, 0 deletions
diff --git a/chromium/cc/output/overlay_candidate.cc b/chromium/cc/output/overlay_candidate.cc
new file mode 100644
index 00000000000..63632fc11b4
--- /dev/null
+++ b/chromium/cc/output/overlay_candidate.cc
@@ -0,0 +1,42 @@
+// 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 "cc/output/overlay_candidate.h"
+
+#include "ui/gfx/rect_conversions.h"
+
+namespace cc {
+
+OverlayCandidate::OverlayCandidate()
+    : transform(gfx::OVERLAY_TRANSFORM_NONE),
+      format(RGBA_8888),
+      uv_rect(0.f, 0.f, 1.f, 1.f),
+      resource_id(0),
+      plane_z_order(0),
+      overlay_handled(false) {}
+
+OverlayCandidate::~OverlayCandidate() {}
+
+// static
+gfx::OverlayTransform OverlayCandidate::GetOverlayTransform(
+    const gfx::Transform& quad_transform,
+    bool flipped) {
+  if (!quad_transform.IsIdentityOrTranslation())
+    return gfx::OVERLAY_TRANSFORM_INVALID;
+
+  return flipped ? gfx::OVERLAY_TRANSFORM_FLIP_VERTICAL
+                 : gfx::OVERLAY_TRANSFORM_NONE;
+}
+
+// static
+gfx::Rect OverlayCandidate::GetOverlayRect(const gfx::Transform& quad_transform,
+                                           const gfx::Rect& rect) {
+  DCHECK(quad_transform.IsIdentityOrTranslation());
+
+  gfx::RectF float_rect(rect);
+  quad_transform.TransformRect(&float_rect);
+  return gfx::ToNearestRect(float_rect);
+}
+
+}  // namespace cc