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- // 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_
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