| // Copyright 2015 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 UI_GL_VSYNC_PROVIDER_WIN_H_ |
| #define UI_GL_VSYNC_PROVIDER_WIN_H_ |
| |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/vsync_provider.h" |
| #include "ui/gl/gl_export.h" |
| |
| namespace gl { |
| |
| class GL_EXPORT VSyncProviderWin : public gfx::VSyncProvider { |
| public: |
| explicit VSyncProviderWin(gfx::AcceleratedWidget window); |
| |
| VSyncProviderWin(const VSyncProviderWin&) = delete; |
| VSyncProviderWin& operator=(const VSyncProviderWin&) = delete; |
| |
| ~VSyncProviderWin() override; |
| |
| static void InitializeOneOff(); |
| |
| // gfx::VSyncProvider overrides; |
| void GetVSyncParameters(UpdateVSyncCallback callback) override; |
| bool GetVSyncParametersIfAvailable(base::TimeTicks* timebase, |
| base::TimeDelta* interval) override; |
| bool SupportGetVSyncParametersIfAvailable() const override; |
| bool IsHWClock() const override; |
| |
| private: |
| gfx::AcceleratedWidget window_; |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_VSYNC_PROVIDER_WIN_H_ |