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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
class HostCounter final {
public:
explicit HostCounter(GLenum target);
~HostCounter();
/// Enables or disables the counter as required.
void UpdateState(bool enabled);
/// Resets the counter disabling it if needed.
void Reset();
/// Returns the current value of the query.
/// @note It may harm precision of future queries if the counter is not disabled.
u64 Query();
private:
/// Enables the counter when disabled.
void Enable();
/// Disables the counter when enabled.
void Disable();
OGLQuery query; ///< OpenGL query.
u64 counter{}; ///< Added values of the counter.
bool is_beginned{}; ///< True when the OpenGL query is beginned.
};
} // namespace OpenGL
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