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 50 matching lines @@
 #endif
   // The new width of the plugin container.
   IPC_STRUCT_MEMBER(int, width)
   // The new height of the plugin container.
   IPC_STRUCT_MEMBER(int, height)
   // Indicates whether the embedder is currently waiting on a ACK from the
   // guest for a previous resize request.
   IPC_STRUCT_MEMBER(bool, resize_pending)
   // Indicates the scale factor of the embedder WebView.
   IPC_STRUCT_MEMBER(float, scale_factor)
+  // 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 101 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_ROUTED3(BrowserPluginHostMsg_NavigateGuest,
                     int /* instance_id*/,
                     std::string /* src */,
                     BrowserPluginHostMsg_ResizeGuest_Params /* resize_params */)
 
+// Acknowledge that we presented a HW buffer.
+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 78 matching lines @@
 IPC_MESSAGE_CONTROL2(BrowserPluginMsg_ShouldAcceptTouchEvents,
                      int /* instance_id */,
                      bool /* accept */)
 
 // The guest has damage it wants to convey to the embedder so that it can
 // update its backing store.
 IPC_MESSAGE_CONTROL3(BrowserPluginMsg_UpdateRect,
                      int /* instance_id */,
                      int /* message_id */,
                      BrowserPluginMsg_UpdateRect_Params)
+
+// f accelerated buffers were swapped in the guest, forward this

[rjkroege, 2012/11/08 15:08:50]

If? And more explanation for what these messages do?

[alexst (slow to review), 2012/11/08 18:12:17]

it was actually ctrl + f to find something. Updated with better comments.

+// information to the embedder.
+IPC_MESSAGE_CONTROL4(BrowserPluginMsg_BuffersSwapped,
+                     int /* instance_id */,
+                     uint64 /* surface_handle */,
+                     int /* route_id */,
+                     int /* gpu_host_id */)
+
+// HW accelerated surface was resized in the guest, forward this
+// information to the embedder.
+IPC_MESSAGE_CONTROL2(BrowserPluginMsg_SurfaceResize,
+                     int /* instance_id */,
+                     gfx::Size /* size */)