watchdog.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 */

#ifndef INCLUDED_VCL_INC_OPENGL_WATCHDOG_H
#define INCLUDED_VCL_INC_OPENGL_WATCHDOG_H

#include <sal/config.h>
#include <salhelper/thread.hxx>
#include <atomic>
#include <vector>

struct WatchdogTimingsValues
{
    int mnDisableEntries;
    int const mnAbortAfter;
};

enum class WatchdogTimingMode
{
    NORMAL,
    SHADER_COMPILE
};

class WatchdogTimings
{
private:
    std::vector<WatchdogTimingsValues> maTimingValues;
    std::atomic<bool> mbRelaxed;

public:
    WatchdogTimings();

    void setRelax(bool bRelaxed)
    {
        mbRelaxed = bRelaxed;
    }

    WatchdogTimingsValues const & getWatchdogTimingsValues(WatchdogTimingMode eMode)
    {
        size_t index = (eMode == WatchdogTimingMode::SHADER_COMPILE) ? 1 : 0;
        index = mbRelaxed ? index + 2 : index;

        return maTimingValues[index];
    }
};

class OpenGLWatchdogThread : private salhelper::Thread
{
    OpenGLWatchdogThread();
    virtual void execute() override;
public:
    using salhelper::Thread::acquire;
    using salhelper::Thread::release;
    static void start();
    static void stop();
};

#endif // INCLUDED_VCL_INC_OPENGL_WATCHDOG_H

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