| // 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 <list> |
| #include <string> |
| |
| #include "base/callback_forward.h" |
| #include "base/process/process.h" |
| #include "content/common/content_export.h" |
| |
| namespace base { |
| class CommandLine; |
| } |
| |
| namespace gpu { |
| struct GPUInfo; |
| struct VideoMemoryUsageStats; |
| } |
| |
| namespace content { |
| enum GpuProcessKind { |
| GPU_PROCESS_KIND_UNSANDBOXED_NO_GL, // Unsandboxed, no init GL bindings. |
| GPU_PROCESS_KIND_SANDBOXED, |
| GPU_PROCESS_KIND_COUNT |
| }; |
| |
| class GpuDataManagerObserver; |
| |
| // This class is fully thread-safe. |
| class GpuDataManager { |
| public: |
| using VideoMemoryUsageStatsCallback = |
| base::OnceCallback<void(const gpu::VideoMemoryUsageStats&)>; |
| |
| // Getter for the singleton. |
| CONTENT_EXPORT static GpuDataManager* GetInstance(); |
| |
| // This is only called by extensions testing. |
| virtual void BlacklistWebGLForTesting() = 0; |
| |
| virtual gpu::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 establishing GPU |
| // channel, and GPU info collection, should be blocked. |
| // Can be called on any thread. |
| // If |reason| is not nullptr and GPU access is blocked, upon return, |reason| |
| // contains a description of the reason why GPU access is blocked. |
| virtual bool GpuAccessAllowed(std::string* reason) const = 0; |
| |
| // Requests complete GPU info if it has not already been requested |
| virtual void RequestCompleteGpuInfoIfNeeded() = 0; |
| |
| // Check if basic and context GPU info have been collected. |
| virtual bool IsEssentialGpuInfoAvailable() const = 0; |
| |
| // Requests that the GPU process report its current video memory usage stats. |
| virtual void RequestVideoMemoryUsageStatsUpdate( |
| VideoMemoryUsageStatsCallback callback) const = 0; |
| |
| // Registers/unregister |observer|. |
| virtual void AddObserver(GpuDataManagerObserver* observer) = 0; |
| virtual void RemoveObserver(GpuDataManagerObserver* observer) = 0; |
| |
| virtual void DisableHardwareAcceleration() = 0; |
| |
| // Whether a GPU is in use (as opposed to a software renderer). |
| virtual bool HardwareAccelerationEnabled() const = 0; |
| |
| // Insert switches into gpu process command line: kUseGL, etc. |
| virtual void AppendGpuCommandLine(base::CommandLine* command_line, |
| GpuProcessKind kind) const = 0; |
| |
| protected: |
| virtual ~GpuDataManager() {} |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_ |