Messages needed for webview compositor communication.

content/common/browser_plugin_messages.h

 // Copyright (c) 2012 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.
 
 // Multiply-included message header, no traditional include guard.
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/process.h"
@@ skipping 45 matching lines @@
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(BrowserPluginHostMsg_CreateGuest_Params)
   IPC_STRUCT_MEMBER(std::string, storage_partition_id)
   IPC_STRUCT_MEMBER(bool, persist_storage)
   IPC_STRUCT_MEMBER(bool, focused)
   IPC_STRUCT_MEMBER(bool, visible)
   IPC_STRUCT_MEMBER(BrowserPluginHostMsg_AutoSize_Params, auto_size_params)
   IPC_STRUCT_MEMBER(BrowserPluginHostMsg_ResizeGuest_Params,
                     resize_guest_params)
+  // Hardware Accelerated Surface Params
+  IPC_STRUCT_MEMBER(int, gpu_process_id)
+  IPC_STRUCT_MEMBER(uint32, client_id)
+  IPC_STRUCT_MEMBER(uint32, context_id)
+  IPC_STRUCT_MEMBER(uint32, texture_id_0)
+  IPC_STRUCT_MEMBER(uint32, texture_id_1)
+  IPC_STRUCT_MEMBER(uint32, sync_point)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(BrowserPluginMsg_LoadCommit_Params)
   // The current URL of the guest.
   IPC_STRUCT_MEMBER(GURL, url)
   // Indicates whether the navigation was on the top-level frame.
   IPC_STRUCT_MEMBER(bool, is_top_level)
   // Chrome's process ID for the guest.
   IPC_STRUCT_MEMBER(int, process_id)
   // The index of the current navigation entry after this navigation was
@@ skipping 109 matching lines @@
 
 // A BrowserPlugin sends this to BrowserPluginEmbedder (browser process) when it
 // wants to navigate to a given src URL. If a guest WebContents already exists,
 // it will navigate that WebContents. If not, it will create the WebContents,
 // associate it with the BrowserPluginGuest, and navigate it to the requested
 // URL.
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_NavigateGuest,
                     int /* instance_id*/,
                     std::string /* src */)
 
+// Acknowledge that we presented a HW buffer and provide a sync point
+// to specify the location in the command stream when the compositor
+// is no longer using it.
+IPC_MESSAGE_ROUTED3(BrowserPluginHostMsg_BuffersSwappedACK,
+                    int /* route_id */,
+                    int /* gpu_host_id */,
+                    uint32 /* sync_point */)
+
 // When a BrowserPlugin has been removed from the embedder's DOM, it informs
 // the browser process to cleanup the guest.
 IPC_MESSAGE_ROUTED1(BrowserPluginHostMsg_PluginDestroyed,
                     int /* instance_id */)
 
 // Tells the guest it has been shown or hidden.
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_SetVisibility,
                     int /* instance_id */,
                     bool /* visible */)
 
@@ skipping 98 matching lines @@
                     int /* message_id */,
                     BrowserPluginMsg_UpdateRect_Params)
 
 // Requests the renderer to find out if a browser plugin is at position
 // (|x|, |y|) within the embedder.
 // The response message is BrowserPluginHostMsg_PluginAtPositionResponse.
 // The |request_id| uniquely identifies a request from an embedder.
 IPC_MESSAGE_ROUTED2(BrowserPluginMsg_PluginAtPositionRequest,
                     int /* request_id */,
                     gfx::Point /* position */)
+
+// Signal to the embedder that accelerated compositing was enabled
+// in the guest renderer.
+IPC_MESSAGE_ROUTED1(BrowserPluginMsg_AcceleratedCompositingEnabled,
+                    int /* instance_id */)
+
+// Guest renders into an FBO with textures provided by the embedder.
+// When HW accelerated buffers are swapped in the guest, the message
+// is forwarded to the embedder to notify it of a new texture
+// available for compositing.
+IPC_MESSAGE_ROUTED4(BrowserPluginMsg_BuffersSwapped,
+                    int /* instance_id */,
+                    uint64 /* surface_handle */,
+                    int /* route_id */,
+                    int /* gpu_host_id */)
+
+// HW accelerated surface was created in the guest, forward this
+// information to the embedder to update rendering parameters
+// in the compositor.
+IPC_MESSAGE_ROUTED2(BrowserPluginMsg_AcceleratedSurfaceNew,
+                    int /* instance_id */,
+                    gfx::Size /* size */)