Mojo surfaces service and example app

mojo/examples/surfaces_app/surfaces_util.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 "mojo/examples/surfaces_app/surfaces_util.h"
+
+#include "cc/quads/render_pass.h"
+#include "cc/quads/shared_quad_state.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/size.h"
+#include "ui/gfx/transform.h"
+
+namespace mojo {
+namespace examples {
+
+using cc::SharedQuadState;
+
+void CreateAndAppendSimpleSharedQuadState(cc::RenderPass* render_pass,
+                                          const gfx::Transform& transform,
+                                          const gfx::Size& size) {
+  const gfx::Size content_bounds = size;
+  const gfx::Rect visible_content_rect = gfx::Rect(size);
+  const gfx::Rect clip_rect = gfx::Rect(size);
+  bool is_clipped = false;
+  float opacity = 1.f;
+  const SkXfermode::Mode blend_mode = SkXfermode::kSrcOver_Mode;
+  SharedQuadState* shared_state = render_pass->CreateAndAppendSharedQuadState();
+  shared_state->SetAll(transform,
+                       content_bounds,
+                       visible_content_rect,
+                       clip_rect,
+                       is_clipped,
+                       opacity,
+                       blend_mode,
+                       0);
+}
+
+}  // namespace mojo
+}  // namespace examples