src/content/renderer/browser_plugin/browser_plugin_compositing_helper.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_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_COMPOSITING_HELPER_H_
   6 #define  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_COMPOSITING_HELPER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "content/common/content_export.h"
  14 #include "gpu/command_buffer/common/mailbox.h"
  15 #include "ui/gfx/size.h"
  16
  17 namespace base {
  18 class SharedMemory;
  19 }
  20
  21 namespace cc {
  22 class CompositorFrame;
  23 class Layer;
  24 class SolidColorLayer;
  25 class TextureLayer;
  26 class DelegatedFrameProvider;
  27 class DelegatedFrameResourceCollection;
  28 class DelegatedRendererLayer;
  29 }
  30
  31 namespace WebKit {
  32 class WebPluginContainer;
  33 class WebLayer;
  34 }
  35
  36 namespace content {
  37
  38 class BrowserPluginManager;
  39
  40 class CONTENT_EXPORT BrowserPluginCompositingHelper :
  41     public base::RefCounted<BrowserPluginCompositingHelper> {
  42  public:
  43   BrowserPluginCompositingHelper(WebKit::WebPluginContainer* container,
  44                                  BrowserPluginManager* manager,
  45                                  int instance_id,
  46                                  int host_routing_id);
  47   void DidCommitCompositorFrame();
  48   void EnableCompositing(bool);
  49   void OnContainerDestroy();
  50   void OnBuffersSwapped(const gfx::Size& size,
  51                         const std::string& mailbox_name,
  52                         int gpu_route_id,
  53                         int gpu_host_id,
  54                         float device_scale_factor);
  55   void OnCompositorFrameSwapped(scoped_ptr<cc::CompositorFrame> frame,
  56                                 int route_id,
  57                                 uint32 output_surface_id,
  58                                 int host_id);
  59   void UpdateVisibility(bool);
  60  protected:
  61   // Friend RefCounted so that the dtor can be non-public.
  62   friend class base::RefCounted<BrowserPluginCompositingHelper>;
  63  private:
  64   enum SwapBuffersType {
  65     TEXTURE_IMAGE_TRANSPORT,
  66     GL_COMPOSITOR_FRAME,
  67     SOFTWARE_COMPOSITOR_FRAME,
  68   };
  69   struct SwapBuffersInfo {
  70     SwapBuffersInfo();
  71
  72     gpu::Mailbox name;
  73     SwapBuffersType type;
  74     gfx::Size size;
  75     int route_id;
  76     uint32 output_surface_id;
  77     int host_id;
  78     unsigned software_frame_id;
  79     base::SharedMemory* shared_memory;
  80   };
  81   ~BrowserPluginCompositingHelper();
  82   void CheckSizeAndAdjustLayerBounds(const gfx::Size& new_size,
  83                                      float device_scale_factor,
  84                                      cc::Layer* layer);
  85   void OnBuffersSwappedPrivate(const SwapBuffersInfo& mailbox,
  86                                unsigned sync_point,
  87                                float device_scale_factor);
  88   void MailboxReleased(SwapBuffersInfo mailbox,
  89                        unsigned sync_point,
  90                        bool lost_resource);
  91   int instance_id_;
  92   int host_routing_id_;
  93   int last_route_id_;
  94   uint32 last_output_surface_id_;
  95   int last_host_id_;
  96   bool last_mailbox_valid_;
  97   bool ack_pending_;
  98   bool software_ack_pending_;
  99   std::vector<unsigned> unacked_software_frames_;
 100
 101   gfx::Size buffer_size_;
 102
 103   scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
 104   scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
 105
 106   scoped_refptr<cc::SolidColorLayer> background_layer_;
 107   scoped_refptr<cc::TextureLayer> texture_layer_;
 108   scoped_refptr<cc::DelegatedRendererLayer> delegated_layer_;
 109   scoped_ptr<WebKit::WebLayer> web_layer_;
 110   WebKit::WebPluginContainer* container_;
 111
 112   scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
 113 };
 114
 115 }  // namespace content
 116
 117 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_COMPOSITING_HELPER_H_