components/native_viewport/onscreen_context_provider.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
   6 #define COMPONENTS_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "components/gpu/public/interfaces/context_provider.mojom.h"
  10 #include "components/gpu/public/interfaces/viewport_parameter_listener.mojom.h"
  11 #include "ui/gfx/native_widget_types.h"
  12
  13 namespace gles2 {
  14 class GpuState;
  15 }
  16
  17 namespace native_viewport {
  18
  19 class OnscreenContextProvider : public mojo::ContextProvider {
  20  public:
  21   explicit OnscreenContextProvider(const scoped_refptr<gles2::GpuState>& state);
  22   ~OnscreenContextProvider() override;
  23
  24   void Bind(mojo::InterfaceRequest<mojo::ContextProvider> request);
  25
  26   void SetAcceleratedWidget(gfx::AcceleratedWidget widget);
  27
  28  private:
  29   // mojo::ContextProvider implementation:
  30   void Create(mojo::ViewportParameterListenerPtr viewport_parameter_listener,
  31               const CreateCallback& callback) override;
  32
  33   void CreateAndReturnCommandBuffer();
  34
  35   scoped_refptr<gles2::GpuState> state_;
  36   gfx::AcceleratedWidget widget_;
  37   mojo::ViewportParameterListenerPtr pending_listener_;
  38   CreateCallback pending_create_callback_;
  39   mojo::Binding<mojo::ContextProvider> binding_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(OnscreenContextProvider);
  42 };
  43
  44 }  // namespace mojo
  45
  46 #endif  // COMPONENTS_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_