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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/compositor/image_transport_factory.h"
#include "base/run_loop.h"
#include "build/build_config.h"
#include "components/viz/common/gpu/context_lost_observer.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "content/browser/gpu/browser_gpu_channel_host_factory.h"
#include "content/browser/gpu/gpu_data_manager_impl.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/raster_interface.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "ui/compositor/compositor.h"
namespace content {
namespace {
using ImageTransportFactoryBrowserTest = ContentBrowserTest;
class MockContextLostObserver : public viz::ContextLostObserver {
public:
MOCK_METHOD0(OnContextLost, void());
};
// TODO(crbug.com/394083, crbug.com/1305007, crbug.com/1302879): Flaky on
// ChromeOS, Linux, and Windows.
#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_WIN)
#define MAYBE_TestLostContext DISABLED_TestLostContext
#else
#define MAYBE_TestLostContext TestLostContext
#endif
// Checks that upon context loss the observer is notified.
IN_PROC_BROWSER_TEST_F(ImageTransportFactoryBrowserTest,
MAYBE_TestLostContext) {
ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
// This test doesn't make sense in software compositing mode.
if (GpuDataManagerImpl::GetInstance()->IsGpuCompositingDisabled())
return;
scoped_refptr<viz::RasterContextProvider> context_provider =
factory->GetContextFactory()->SharedMainThreadRasterContextProvider();
MockContextLostObserver observer;
context_provider->AddObserver(&observer);
base::RunLoop run_loop;
EXPECT_CALL(observer, OnContextLost())
.WillOnce(testing::Invoke(&run_loop, &base::RunLoop::Quit));
gpu::raster::RasterInterface* ri = context_provider->RasterInterface();
ri->LoseContextCHROMIUM(GL_GUILTY_CONTEXT_RESET_ARB,
GL_INNOCENT_CONTEXT_RESET_ARB);
// We have to flush to make sure that the client side gets a chance to notice
// the context is gone.
ri->Flush();
run_loop.Run();
context_provider->RemoveObserver(&observer);
// Close the channel to the GPU process. This is needed because the GPU
// channel is down by the time that the network service is flushed, but
// flushing the network service tries to bring it back up again and there are
// pending requests causing a DCHECK to hit.
BrowserGpuChannelHostFactory::instance()->CloseChannel();
}
} // anonymous namespace
} // namespace content
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