Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

content/common/gpu/gpu_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 here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <vector>
 #include <string>
 
@@ skipping 15 matching lines @@
 #define IPC_MESSAGE_START GpuMsgStart
 
 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
   IPC_STRUCT_MEMBER(int32, share_group_id)
   IPC_STRUCT_MEMBER(std::string, allowed_extensions)
   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
   IPC_STRUCT_MEMBER(GURL, active_url)
   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
 IPC_STRUCT_END()
 
-#if defined(OS_MACOSX)
-IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceNew_Params)
-  IPC_STRUCT_MEMBER(int32, renderer_id)
-  IPC_STRUCT_MEMBER(int32, render_view_id)
-  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
-  IPC_STRUCT_MEMBER(int32, width)
-  IPC_STRUCT_MEMBER(int32, height)
-  IPC_STRUCT_MEMBER(uint64, surface_id)
-  IPC_STRUCT_MEMBER(bool, create_transport_dib)
-  IPC_STRUCT_MEMBER(int32, route_id)
-IPC_STRUCT_END()
-
-IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
-  IPC_STRUCT_MEMBER(int32, renderer_id)
-  IPC_STRUCT_MEMBER(int32, render_view_id)
-  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
-  IPC_STRUCT_MEMBER(uint64, surface_id)
-  IPC_STRUCT_MEMBER(int32, route_id)
-IPC_STRUCT_END()
-
-IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params)
-  IPC_STRUCT_MEMBER(int32, renderer_id)
-  IPC_STRUCT_MEMBER(int32, render_view_id)
-  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
-  IPC_STRUCT_MEMBER(uint64, identifier)
-  IPC_STRUCT_MEMBER(int32, route_id)
-IPC_STRUCT_END()
-#endif
-
-#if defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceNew_Params)
   IPC_STRUCT_MEMBER(int32, renderer_id)
   IPC_STRUCT_MEMBER(int32, render_view_id)
   IPC_STRUCT_MEMBER(int32, width)
   IPC_STRUCT_MEMBER(int32, height)
   IPC_STRUCT_MEMBER(uint64, surface_id)
   IPC_STRUCT_MEMBER(int32, route_id)
+#if defined(OS_MACOSX)
+  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
+  IPC_STRUCT_MEMBER(bool, create_transport_dib)
+#endif
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
   IPC_STRUCT_MEMBER(int32, renderer_id)
   IPC_STRUCT_MEMBER(int32, render_view_id)
   IPC_STRUCT_MEMBER(uint64, surface_id)
   IPC_STRUCT_MEMBER(int32, route_id)
+#if defined(OS_WIN)
+  IPC_STRUCT_MEMBER(gfx::Size, size)
+#elif defined(OS_MACOSX)
+  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
+#endif
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params)
   IPC_STRUCT_MEMBER(int32, renderer_id)
   IPC_STRUCT_MEMBER(int32, render_view_id)
   IPC_STRUCT_MEMBER(uint64, identifier)
   IPC_STRUCT_MEMBER(int32, route_id)
+#if defined(OS_MACOSX)
+  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
+#endif
 IPC_STRUCT_END()
-#endif
 
 IPC_STRUCT_TRAITS_BEGIN(content::DxDiagNode)
   IPC_STRUCT_TRAITS_MEMBER(values)
   IPC_STRUCT_TRAITS_MEMBER(children)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::GPUInfo)
   IPC_STRUCT_TRAITS_MEMBER(finalized)
   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
@@ skipping 54 matching lines @@
 IPC_MESSAGE_CONTROL4(GpuMsg_CreateViewCommandBuffer,
                      gfx::PluginWindowHandle, /* compositing_surface */
                      int32, /* render_view_id */
                      int32, /* renderer_id */
                      GPUCreateCommandBufferConfig /* init_params */)
 
 // Tells the GPU process to create a context for collecting graphics card
 // information.
 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 
-#if defined(TOOLKIT_USES_GTK) && !defined(UI_COMPOSITOR_IMAGE_TRANSPORT) || \
-    defined(OS_WIN)
 // Tells the GPU process that the browser process has finished resizing the
 // view.
-IPC_MESSAGE_CONTROL2(GpuMsg_ResizeViewACK,
-                     int32 /* renderer_id */,
-                     int32 /* command_buffer_id */)
-#endif
+IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_ResizeViewACK)
 
-#if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
 // Tells the GPU process that it's safe to start rendering to the surface.
 IPC_MESSAGE_ROUTED2(AcceleratedSurfaceMsg_NewACK,
                     uint64 /* surface_id */,
                     TransportDIB::Handle /* shared memory buffer */)
 
 // Tells the GPU process that the browser process handled the swap
 // buffers request with the given number.
 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_BuffersSwappedACK)
-#endif
 
 // Tells the GPU process to remove all contexts.
 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 
 // Tells the GPU process to crash.
 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 
 // Tells the GPU process to hang.
 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 
@@ skipping 35 matching lines @@
 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
                      content::GPUInfo /* GPU logging stats */)
 
 // Message from GPU to add a GPU log message to the about:gpu page.
 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
                      int /*severity*/,
                      std::string /* header */,
                      std::string /* message */)
 
-#if defined(TOOLKIT_USES_GTK) && !defined(UI_COMPOSITOR_IMAGE_TRANSPORT) || \
-    defined(OS_WIN)
 // Resize the window that is being drawn into. It's important that this
 // resize be synchronized with the swapping of the front and back buffers.
 IPC_MESSAGE_CONTROL4(GpuHostMsg_ResizeView,
                      int32 /* renderer_id */,
                      int32 /* render_view_id */,
-                     int32 /* command_buffer_route_id */,
+                     int32 /* route_id */,
                      gfx::Size /* size */)
-#endif
 
-#if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
 // This message is sent from the GPU process to the browser to notify about a
 // new or resized surface in the GPU.  The browser allocates any resources
 // needed for it on its end and replies with an ACK containing any shared
 // resources/identifiers to be used in the GPU.
 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceNew,
                      GpuHostMsg_AcceleratedSurfaceNew_Params)
 
 // This message notifies the browser process that the renderer
 // swapped the buffers associated with the given "window", which
 // should cause the browser to redraw the compositor's contents.
 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 
 // Tells the browser to release whatever resources are associated with
 // the given surface. The browser must send an ACK once this operation
 // is complete.
 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceRelease,
                      GpuHostMsg_AcceleratedSurfaceRelease_Params)
-#endif
 
 //------------------------------------------------------------------------------
 // GPU Channel Messages
 // These are messages from a renderer process to the GPU process.
 
 // Initialize a channel between a renderer process and a GPU process. The
 // renderer passes its process handle to the GPU process, which gives gives the
 // GPU process the ability to map handles from the renderer process. This must
 // be the first message sent on a newly connected channel.
 IPC_MESSAGE_CONTROL1(GpuChannelMsg_Initialize,
@@ skipping 239 matching lines @@
 
 // Confirm decoder has been reset.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 
 // Decoder has faced end of stream marker in the stream.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_EndOfStream)
 
 // Video decoder has encountered an error.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
                     uint32) /* Error ID */