Revert "Delete the Surfaces service."

examples/surfaces_app/child_gl_impl.h

+// 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.
+
+#ifndef EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_
+#define EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_
+
+#include <GLES2/gl2.h>
+#include <MGL/mgl_types.h>
+
+#include "base/containers/hash_tables.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "examples/spinning_cube/spinning_cube.h"
+#include "examples/surfaces_app/child.mojom.h"
+#include "mojo/public/cpp/bindings/string.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "mojo/services/gpu/interfaces/command_buffer.mojom.h"
+#include "mojo/services/surfaces/interfaces/surface_id.mojom.h"
+#include "mojo/services/surfaces/interfaces/surfaces.mojom.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/size.h"
+
+namespace mojo {
+
+class ApplicationConnection;
+
+namespace examples {
+
+// Simple example of a child app using surfaces + GL.
+class ChildGLImpl : public Child, public ResourceReturner {
+ public:
+  ChildGLImpl(ApplicationConnection* surfaces_service_connection,
+              CommandBufferPtr command_buffer,
+              InterfaceRequest<Child> request);
+  ~ChildGLImpl() override;
+
+ private:
+  using ProduceCallback = mojo::Callback<void(SurfaceIdPtr id)>;
+
+  // Child implementation.
+  void ProduceFrame(ColorPtr color,
+                    SizePtr size,
+                    const ProduceCallback& callback) override;
+
+  // ResourceReturner implementation
+  void ReturnResources(Array<ReturnedResourcePtr> resources) override;
+
+  void SetIdNamespace(uint32_t id_namespace);
+  void Draw();
+  void RunProduceCallback();
+
+  SkColor color_;
+  gfx::Size size_;
+  SurfacePtr surface_;
+  MGLContext context_;
+  uint32_t id_namespace_;
+  uint32_t local_id_;
+  ::examples::SpinningCube cube_;
+  base::TimeTicks start_time_;
+  uint32_t next_resource_id_;
+  base::hash_map<uint32_t, GLuint> id_to_tex_map_;
+  ProduceCallback produce_callback_;
+  Binding<ResourceReturner> returner_binding_;
+  StrongBinding<Child> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChildGLImpl);
+};
+
+}  // namespace examples
+}  // namespace mojo
+
+#endif  // EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_