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// 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.
#ifndef CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_
#define CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_
#include "content/common/content_export.h"
#include "content/public/common/gpu_feature_type.h"
class FilePath;
namespace base {
class ListValue;
}
namespace content {
class GpuDataManagerObserver;
struct GPUInfo;
// This class lives on the UI thread. Only methods that explicitly state that
// they can be called on other threads are thread-safe.
class GpuDataManager {
public:
// Getter for the singleton.
CONTENT_EXPORT static GpuDataManager* GetInstance();
// Can be called on any thread.
virtual GpuFeatureType GetGpuFeatureType() = 0;
// Gives the new feature flags. This is always called on the UI thread.
virtual void SetGpuFeatureType(GpuFeatureType feature_type) = 0;
virtual GPUInfo GetGPUInfo() const = 0;
// This indicator might change because we could collect more GPU info or
// because the GPU blacklist could be updated.
// If this returns false, any further GPU access, including launching GPU
// process, establish GPU channel, and GPU info collection, should be
// blocked.
// Can be called on any thread.
virtual bool GpuAccessAllowed() = 0;
// Requests complete GPUinfo if it has not already been requested
virtual void RequestCompleteGpuInfoIfNeeded() = 0;
virtual bool IsCompleteGPUInfoAvailable() const = 0;
// Returns true if the software rendering should currently be used.
virtual bool ShouldUseSoftwareRendering() = 0;
// Register a path to the SwiftShader software renderer.
virtual void RegisterSwiftShaderPath(const FilePath& path) = 0;
virtual const base::ListValue& GetLogMessages() const = 0;
// Registers/unregister |observer|.
virtual void AddObserver(GpuDataManagerObserver* observer) = 0;
virtual void RemoveObserver(GpuDataManagerObserver* observer) = 0;
protected:
virtual ~GpuDataManager() {}
};
}; // namespace content
#endif // CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_
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