Commit 929a849b authored by Maciej Suminski's avatar Maciej Suminski
Browse files

Added a framerate limiter. 

Now it does not use all the CPU power while panning even on simple boards.
parent bb9ee216

common/drawpanel_gal.cpp

+11 −1
Original line number Diff line number Diff line
@@ -88,6 +88,8 @@ EDA_DRAW_PANEL_GAL::EDA_DRAW_PANEL_GAL( wxWindow* aParentWindow, wxWindowID aWin 


    Connect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );

    Connect( wxEVT_SIZE, wxSizeEventHandler( EDA_DRAW_PANEL_GAL::onSize ), NULL, this );



    m_timeStamp = 0;

}
@@ -107,7 +109,7 @@ EDA_DRAW_PANEL_GAL::~EDA_DRAW_PANEL_GAL() 
}





void EDA_DRAW_PANEL_GAL::onPaint( wxPaintEvent& aEvent )

void EDA_DRAW_PANEL_GAL::onPaint( wxPaintEvent& WXUNUSED( aEvent ) )

{

    Refresh();

}
@@ -121,6 +123,14 @@ void EDA_DRAW_PANEL_GAL::onSize( wxSizeEvent& aEvent ) 


void EDA_DRAW_PANEL_GAL::Refresh( bool eraseBackground, const wxRect* rect )

{

    const unsigned int FPS_LIMIT = 50;



    // Framerate limiter

    wxLongLong currentTimeStamp = wxGetLocalTimeMillis();

    if( currentTimeStamp - m_timeStamp < ( 1 / FPS_LIMIT ) )

        return;

    m_timeStamp = currentTimeStamp;



#ifdef __WXDEBUG__

    prof_counter time;

include/class_drawpanel_gal.h

+2 −1
Original line number Diff line number Diff line
@@ -79,7 +79,7 @@ public: 
    virtual void Refresh( bool eraseBackground = true, const wxRect* rect = NULL );



protected:

    void onPaint( wxPaintEvent& aEvent );

    void onPaint( wxPaintEvent& WXUNUSED( aEvent ) );

    void onSize( wxSizeEvent& aEvent );



    KiGfx::GAL*              m_gal;              ///< Interface for drawing objects on a 2D-surface
@@ -90,6 +90,7 @@ protected: 
    KiGfx::WX_VIEW_CONTROLS* m_viewControls;     ///< Control for VIEW (moving, zooming, etc.)

    GalType                  m_currentGal;       ///< Currently used GAL

    bool                     m_useShaders;       ///< Are shaders used? (only for OpenGL GAL)

    wxLongLong               m_timeStamp;



    std::string              m_galShaderPath;    ///< Path to shader files, used in OpenGL mode

};