content/browser/aura/gpu_process_transport_factory.h

   1 // Copyright (c) 2013 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 CONTENT_BROWSER_AURA_GPU_PROCESS_TRANSPORT_FACTORY_H_
   6 #define CONTENT_BROWSER_AURA_GPU_PROCESS_TRANSPORT_FACTORY_H_
   7
   8 #include <map>
   9
  10 #include "base/id_map.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/memory/weak_ptr.h"
  14 #include "base/observer_list.h"
  15 #include "content/browser/aura/image_transport_factory.h"
  16 #include "ui/compositor/compositor.h"
  17
  18 namespace content {
  19 class BrowserCompositorOutputSurface;
  20 class BrowserCompositorOutputSurfaceProxy;
  21 class CompositorSwapClient;
  22 class ContextProviderCommandBuffer;
  23 class ReflectorImpl;
  24 class WebGraphicsContext3DCommandBufferImpl;
  25
  26 class GpuProcessTransportFactory
  27     : public ui::ContextFactory,
  28       public ImageTransportFactory {
  29  public:
  30   GpuProcessTransportFactory();
  31
  32   virtual ~GpuProcessTransportFactory();
  33
  34   scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
  35   CreateOffscreenCommandBufferContext();
  36
  37   // ui::ContextFactory implementation.
  38   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(
  39       ui::Compositor* compositor, bool software_fallback) OVERRIDE;
  40   virtual scoped_refptr<ui::Reflector> CreateReflector(
  41       ui::Compositor* source,
  42       ui::Layer* target) OVERRIDE;
  43   virtual void RemoveReflector(
  44       scoped_refptr<ui::Reflector> reflector) OVERRIDE;
  45   virtual void RemoveCompositor(ui::Compositor* compositor) OVERRIDE;
  46   virtual scoped_refptr<cc::ContextProvider>
  47       OffscreenCompositorContextProvider() OVERRIDE;
  48   virtual scoped_refptr<cc::ContextProvider>
  49       SharedMainThreadContextProvider() OVERRIDE;
  50   virtual bool DoesCreateTestContexts() OVERRIDE;
  51
  52   // ImageTransportFactory implementation.
  53   virtual ui::ContextFactory* AsContextFactory() OVERRIDE;
  54   virtual gfx::GLSurfaceHandle CreateSharedSurfaceHandle() OVERRIDE;
  55   virtual void DestroySharedSurfaceHandle(
  56       gfx::GLSurfaceHandle surface) OVERRIDE;
  57   virtual scoped_refptr<ui::Texture> CreateTransportClient(
  58       float device_scale_factor) OVERRIDE;
  59   virtual scoped_refptr<ui::Texture> CreateOwnedTexture(
  60       const gfx::Size& size,
  61       float device_scale_factor,
  62       unsigned int texture_id) OVERRIDE;
  63   virtual GLHelper* GetGLHelper() OVERRIDE;
  64   virtual void AddObserver(ImageTransportFactoryObserver* observer) OVERRIDE;
  65   virtual void RemoveObserver(
  66       ImageTransportFactoryObserver* observer) OVERRIDE;
  67
  68  private:
  69   struct PerCompositorData;
  70
  71   PerCompositorData* CreatePerCompositorData(ui::Compositor* compositor);
  72   scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
  73       CreateContextCommon(int surface_id);
  74
  75   void OnLostMainThreadSharedContextInsideCallback();
  76   void OnLostMainThreadSharedContext();
  77
  78   typedef std::map<ui::Compositor*, PerCompositorData*> PerCompositorDataMap;
  79   PerCompositorDataMap per_compositor_data_;
  80   scoped_refptr<ContextProviderCommandBuffer> offscreen_compositor_contexts_;
  81   scoped_refptr<ContextProviderCommandBuffer> shared_main_thread_contexts_;
  82   scoped_ptr<GLHelper> gl_helper_;
  83   ObserverList<ImageTransportFactoryObserver> observer_list_;
  84   base::WeakPtrFactory<GpuProcessTransportFactory> callback_factory_;
  85
  86   // The contents of this map and its methods may only be used on the compositor
  87   // thread.
  88   IDMap<BrowserCompositorOutputSurface> output_surface_map_;
  89
  90   scoped_refptr<BrowserCompositorOutputSurfaceProxy> output_surface_proxy_;
  91
  92   DISALLOW_COPY_AND_ASSIGN(GpuProcessTransportFactory);
  93 };
  94
  95 }  // namespace content
  96
  97 #endif  // CONTENT_BROWSER_AURA_GPU_PROCESS_TRANSPORT_FACTORY_H_