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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_DUAL_GPU_STATE_MAC_H_
#define UI_GL_DUAL_GPU_STATE_MAC_H_
#include <OpenGL/CGLRenderers.h>
#include <OpenGL/CGLTypes.h>
#include "base/cancelable_callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/no_destructor.h"
#include "base/synchronization/lock.h"
#include "build/build_config.h"
#include "ui/gl/dual_gpu_state.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_export.h"
namespace gl {
class GL_EXPORT DualGPUStateMac : public DualGPUState {
public:
static DualGPUStateMac* GetInstance();
DualGPUStateMac(const DualGPUStateMac&) = delete;
DualGPUStateMac& operator=(const DualGPUStateMac&) = delete;
private:
friend base::NoDestructor<DualGPUStateMac>;
DualGPUStateMac();
~DualGPUStateMac();
void SwitchToHighPerformanceGPUIfNeeded() override;
void SwitchToLowPowerGPU() override;
void AttemptSwitchToLowPowerGPUWithDelay() override;
void CancelDelayedSwitchToLowPowerGPU() override;
void AllocateDiscretePixelFormatObjectIfNeeded();
void ReleaseDiscretePixelFormatObjectIfNeeded();
CGLPixelFormatObj discrete_pixelformat_ = nullptr;
base::CancelableOnceClosure cancelable_delay_callback_;
};
} // namespace gl
#endif // UI_GL_DUAL_GPU_STATE_MAC_H_
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