Mojo multiple command buffer support and sample

mojo/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 MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
-#define MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
+#ifndef MOJO_EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_
+#define MOJO_EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_
 
+#include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_id_allocator.h"
+#include "mojo/examples/sample_app/spinning_cube.h"
 #include "mojo/examples/surfaces_app/child.mojom.h"
+#include "mojo/public/c/gles2/gles2.h"
 #include "mojo/public/cpp/bindings/string.h"
 #include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h"
 #include "mojo/services/public/interfaces/surfaces/surfaces.mojom.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/size.h"
 
 namespace cc {
 class CompositorFrame;
 }
 
 namespace mojo {
 
 class ApplicationConnection;
 
-namespace surfaces {
-class Surface;
-}
-
 namespace examples {
 
-// Simple example of a child app using surfaces.
-class ChildImpl : public InterfaceImpl<Child>, public SurfaceClient {
+// Simple example of a child app using surfaces + GL.
+class ChildGLImpl : public InterfaceImpl<Child>, public SurfaceClient {
  public:
-  class Context {
-   public:
-    virtual ApplicationConnection* ShellConnection(
-        const mojo::String& application_url) = 0;
-  };
-  explicit ChildImpl(ApplicationConnection* surfaces_service_connection);
-  virtual ~ChildImpl();
+  ChildGLImpl(ApplicationConnection* surfaces_service_connection,
+              CommandBufferPtr command_buffer);
+  virtual ~ChildGLImpl();
 
   // SurfaceClient implementation
   virtual void SetIdNamespace(uint32_t id_namespace) OVERRIDE;
-  virtual void ReturnResources(
-      Array<ReturnedResourcePtr> resources) OVERRIDE;
+  virtual void ReturnResources(Array<ReturnedResourcePtr> resources) OVERRIDE;
 
  private:
   // Child implementation.
   virtual void ProduceFrame(
       ColorPtr color,
       SizePtr size,
       const mojo::Callback<void(SurfaceIdPtr id)>& callback) OVERRIDE;
 
+  void AllocateSurface();
   void Draw();
 
   SkColor color_;
   gfx::Size size_;
   scoped_ptr<cc::SurfaceIdAllocator> allocator_;
   SurfacePtr surface_;
+  MojoGLES2Context context_;
   cc::SurfaceId id_;
-  mojo::Callback<void(SurfaceIdPtr id)> produce_callback_;
+  ::examples::SpinningCube cube_;
+  Callback<void(SurfaceIdPtr id)> produce_callback_;
+  base::TimeTicks start_time_;
+  uint32_t next_resource_id_;
+  base::hash_map<uint32_t, GLuint> id_to_tex_map_;
 
-  DISALLOW_COPY_AND_ASSIGN(ChildImpl);
+  DISALLOW_COPY_AND_ASSIGN(ChildGLImpl);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
-#endif  // MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
+#endif  // MOJO_EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_