| // 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 CHROME_BROWSER_GPU_GPU_FEATURE_CHECKER_H_ |
| #define CHROME_BROWSER_GPU_GPU_FEATURE_CHECKER_H_ |
| |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/public/browser/gpu_data_manager_observer.h" |
| #include "gpu/config/gpu_feature_type.h" |
| |
| namespace content { |
| class GpuDataManager; |
| } // namespace content |
| |
| class GPUFeatureChecker : public base::RefCountedThreadSafe<GPUFeatureChecker>, |
| public content::GpuDataManagerObserver { |
| public: |
| typedef base::Callback<void(bool feature_available)> FeatureAvailableCallback; |
| |
| GPUFeatureChecker(gpu::GpuFeatureType feature, |
| FeatureAvailableCallback callback); |
| |
| // Check to see if |feature_| is available on the current GPU. |callback_| |
| // will be called to indicate the availability of the feature. Must be called |
| // from the the UI thread. |
| void CheckGPUFeatureAvailability(); |
| |
| // content::GpuDataManagerObserver |
| void OnGpuInfoUpdate() override; |
| |
| private: |
| friend class base::RefCountedThreadSafe<GPUFeatureChecker>; |
| |
| ~GPUFeatureChecker() override; |
| |
| gpu::GpuFeatureType feature_; |
| FeatureAvailableCallback callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GPUFeatureChecker); |
| }; |
| |
| #endif // CHROME_BROWSER_GPU_GPU_FEATURE_CHECKER_H_ |