Windows: On context lost, GPU process exits.

gpu/command_buffer/service/gles2_cmd_decoder.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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 2835 matching lines @@
 }
 
 // }  // anonymous namespace
 
 bool GLES2DecoderImpl::MakeCurrent() {
   if (!context_.get() || !context_->MakeCurrent(surface_.get()))
     return false;
 
   if (WasContextLost()) {
     LOG(ERROR) << "  GLES2DecoderImpl: Context lost during MakeCurrent.";
+
+    // Some D3D drivers cannot recover from device lost in the GPU process
+    // sandbox. Allow a new GPU process to launch.
+    if (workarounds().exit_on_context_lost) {
+      LOG(ERROR) << "Exiting GPU process because some drivers cannot reset"
+                 << " a D3D device in the Chrome GPU process sandbox.";

[Ken Russell (switch to Gerrit), 2013/03/27 02:04:11]

Consider changing this message to be either more generic or #ifdef'd in the case
that this workaround is used on other OSs.

+      exit(1);
+    }
+
     return false;
   }
 
   ProcessFinishedAsyncTransfers();
   if (workarounds().flush_on_context_switch)
     glFlush();
 
   return true;
 }
 
@@ skipping 7597 matching lines @@
   return error::kNoError;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu