Add content::SurfaceCapturer

content/common/gpu/gpu_command_buffer_stub.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/hash.h"
 #include "base/memory/shared_memory.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "content/common/gpu/gpu_memory_manager.h"
 #include "content/common/gpu/gpu_memory_tracking.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/gpu_watchdog.h"
 #include "content/common/gpu/image_transport_surface.h"
+#include "content/common/gpu/media/gl_surface_capturer.h"
 #include "content/common/gpu/media/gpu_video_decode_accelerator.h"
 #include "content/common/gpu/sync_point_manager.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/service/gl_context_virtual.h"
 #include "gpu/command_buffer/service/gl_state_restorer_impl.h"
 #include "gpu/command_buffer/service/logger.h"
@@ skipping 168 matching lines @@
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SetLatencyInfo, OnSetLatencyInfo);
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_Rescheduled, OnRescheduled);
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_RegisterTransferBuffer,
                         OnRegisterTransferBuffer);
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_DestroyTransferBuffer,
                         OnDestroyTransferBuffer);
     IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_GetTransferBuffer,
                                     OnGetTransferBuffer);
     IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_CreateVideoDecoder,
                                     OnCreateVideoDecoder)
+    IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_CreateSurfaceCapturer,
+                                    OnCreateSurfaceCapturer)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SetSurfaceVisible,
                         OnSetSurfaceVisible)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_DiscardBackbuffer,
                         OnDiscardBackbuffer)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_EnsureBackbuffer,
                         OnEnsureBackbuffer)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_RetireSyncPoint,
                         OnRetireSyncPoint)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SignalSyncPoint,
                         OnSignalSyncPoint)
@@ skipping 501 matching lines @@
     IPC::Message* reply_message) {
   TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnCreateVideoDecoder");
   int decoder_route_id = channel_->GenerateRouteID();
   GpuVideoDecodeAccelerator* decoder =
       new GpuVideoDecodeAccelerator(decoder_route_id, this);
   decoder->Initialize(profile, reply_message);
   // decoder is registered as a DestructionObserver of this stub and will
   // self-delete during destruction of this stub.
 }
 
+void GpuCommandBufferStub::OnCreateSurfaceCapturer(
+    IPC::Message* reply_message) {
+  TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnCreateSurfaceCapturer");
+  int capturer_route_id = channel_->GenerateRouteID();
+  new GLSurfaceCapturer(capturer_route_id, this);
+  // The capturer is registered as a DestructionObserver of this stub and will
+  // self-delete during destruction of this stub.
+  GpuCommandBufferMsg_CreateSurfaceCapturer::WriteReplyParams(
+      reply_message, capturer_route_id);
+  Send(reply_message);
+}
+
 void GpuCommandBufferStub::OnSetSurfaceVisible(bool visible) {
   TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnSetSurfaceVisible");
   if (memory_manager_client_state_)
     memory_manager_client_state_->SetVisible(visible);
 }
 
 void GpuCommandBufferStub::OnDiscardBackbuffer() {
   TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnDiscardBackbuffer");
   if (!surface_.get())
     return;
@@ skipping 201 matching lines @@
       command_buffer_->GetState().error == gpu::error::kLostContext)
     return;
 
   command_buffer_->SetContextLostReason(gpu::error::kUnknown);
   if (decoder_)
     decoder_->LoseContext(GL_UNKNOWN_CONTEXT_RESET_ARB);
   command_buffer_->SetParseError(gpu::error::kLostContext);
 }
 
 }  // namespace content