Render Core Animation plugins through WebKit's compositor rather than

content/common/plugin_messages.h

 // Copyright (c) 2011 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 file, hence no include guard.
 
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/webkit_param_traits.h"
@@ skipping 364 matching lines @@
                             std::string /* message */)
 
 IPC_MESSAGE_CONTROL0(PluginHostMsg_PluginShuttingDown)
 
 #if defined(OS_MACOSX)
 IPC_MESSAGE_ROUTED1(PluginHostMsg_FocusChanged,
                     bool /* focused */)
 
 IPC_MESSAGE_ROUTED0(PluginHostMsg_StartIme)
 
+//----------------------------------------------------------------------
+// Legacy Core Animation plugin implementation rendering directly to screen.
+
 // This message, used in Mac OS X 10.5 and earlier, is sent from the plug-in
 // process to the renderer process to indicate that the plug-in allocated a
 // new TransportDIB that holds the GPU's rendered image.  This information is
 // then forwarded to the browser process via a similar message.
 IPC_MESSAGE_ROUTED4(PluginHostMsg_AcceleratedSurfaceSetTransportDIB,
                     gfx::PluginWindowHandle /* window */,
                     int32 /* width */,
                     int32 /* height */,
                     TransportDIB::Handle /* handle to the TransportDIB */)
 
@@ skipping 33 matching lines @@
 IPC_MESSAGE_ROUTED1(PluginHostMsg_FreeTransportDIB,
                     TransportDIB::Id /* DIB id */)
 
 // This message notifies the renderer process (and from there the
 // browser process) that the plug-in swapped the buffers associated
 // with the given "window", which should cause the browser to redraw
 // the various plug-ins' contents.
 IPC_MESSAGE_ROUTED2(PluginHostMsg_AcceleratedSurfaceBuffersSwapped,
                     gfx::PluginWindowHandle /* window */,
                     uint64 /* surface_id */)
+
+//----------------------------------------------------------------------
+// New Core Animation plugin implementation rendering via compositor.
+
+// Notifies the renderer process that this plugin will be using the
+// accelerated rendering path.
+IPC_MESSAGE_ROUTED0(PluginHostMsg_AcceleratedPluginEnabledRendering)
+
+// Notifies the renderer process that the plugin allocated a new
+// IOSurface into which it is rendering. The renderer process forwards
+// this IOSurface to the GPU process, causing it to be bound to a
+// texture from which the compositor can render. Any previous
+// IOSurface allocated by this plugin must be implicitly released by
+// the receipt of this message.
+IPC_MESSAGE_ROUTED3(PluginHostMsg_AcceleratedPluginAllocatedIOSurface,
+                    int32 /* width */,
+                    int32 /* height */,
+                    uint32 /* surface_id */)
+
+// Notifies the renderer process that the plugin produced a new frame
+// of content into its IOSurface, and therefore that the compositor
+// needs to redraw.
+IPC_MESSAGE_ROUTED0(PluginHostMsg_AcceleratedPluginSwappedIOSurface)
 #endif
 
 IPC_MESSAGE_CONTROL1(PluginHostMsg_ClearSiteDataResult,
                      bool /* success */)
 
 IPC_MESSAGE_ROUTED2(PluginHostMsg_URLRedirectResponse,
                     bool /* allow */,
                     int  /* resource_id */)
 
 
@@ skipping 41 matching lines @@
 IPC_SYNC_MESSAGE_ROUTED1_2(NPObjectMsg_Construct,
                            std::vector<NPVariant_Param> /* args */,
                            NPVariant_Param /* result_param */,
                            bool /* result */)
 
 IPC_SYNC_MESSAGE_ROUTED2_2(NPObjectMsg_Evaluate,
                            std::string /* script */,
                            bool /* popups_allowed */,
                            NPVariant_Param /* result_param */,
                            bool /* result */)