Disables software to accelerated canvas update on Linux AMD GPUs

third_party/WebKit/Source/platform/graphics/gpu/SharedGpuContext.cpp

 // Copyright 2016 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 "platform/graphics/gpu/SharedGpuContext.h"
 
 #include "gpu/command_buffer/client/gles2_interface.h"
+#include "gpu/command_buffer/common/capabilities.h"
 #include "platform/CrossThreadFunctional.h"
 #include "platform/WaitableEvent.h"
 #include "platform/WebTaskRunner.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 
 namespace blink {
 
 SharedGpuContext* SharedGpuContext::GetInstanceForCurrentThread() {
   DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<SharedGpuContext>,
@@ skipping 102 matching lines @@
 }
 
 bool SharedGpuContext::IsValidWithoutRestoring() {
   SharedGpuContext* this_ptr = GetInstanceForCurrentThread();
   if (!this_ptr->context_provider_)
     return false;
   return this_ptr->context_provider_->ContextGL()
              ->GetGraphicsResetStatusKHR() == GL_NO_ERROR;
 }
 
+bool SharedGpuContext::AllowSoftwareToAcceleratedCanvasUpgrade() {
+  if (!IsValid())
+    return kNoSharedContext;
+  SharedGpuContext* this_ptr = GetInstanceForCurrentThread();
+  return this_ptr->context_provider_->GetCapabilities()
+      .software_to_accelerated_canvas_upgrade;
+}
+
 }  // blink