Add very simple benchmark of these 2 functions to allow (roughly) comparing the advantage of using one compared to the other.
		
			
				
	
	
		
			1023 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1023 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        graphics.cpp
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// Purpose:     Some benchmarks for measuring graphics operations performance
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// Author:      Vadim Zeitlin
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// Created:     2008-04-13
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// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/app.h"
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#include "wx/frame.h"
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#include "wx/cmdline.h"
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#include "wx/dcclient.h"
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#include "wx/dcmemory.h"
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#include "wx/dcgraph.h"
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#include "wx/image.h"
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#include "wx/rawbmp.h"
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#include "wx/stopwatch.h"
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#include "wx/crt.h"
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#if wxUSE_GLCANVAS
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    #include "wx/glcanvas.h"
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    #ifdef _MSC_VER
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        #pragma comment(lib, "opengl32")
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    #endif
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#endif // wxUSE_GLCANVAS
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#if wxUSE_GLCANVAS
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GLuint g_texture;
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wxImage g_image;
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void InitializeTexture(int w, int h)
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{
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    glGenTextures(1, &g_texture);
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    glBindTexture(GL_TEXTURE_2D, g_texture);
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    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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    g_image.Create(w, h, false /* don't clear */);
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    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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    glTexImage2D(GL_TEXTURE_2D, 0,
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                 GL_RGB, g_image.GetWidth(), g_image.GetHeight(), 0,
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                 GL_RGB, GL_UNSIGNED_BYTE, g_image.GetData());
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}
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#endif // wxUSE_GLCANVAS
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struct GraphicsBenchmarkOptions
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{
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    GraphicsBenchmarkOptions()
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    {
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        mapMode = 0;
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        penWidth = 0;
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        penStyle = wxPENSTYLE_INVALID;
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        width = 800;
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        height = 600;
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        numIters = 1000;
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        testBitmaps =
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        testImages =
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        testLines =
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        testRawBitmaps =
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        testRectangles =
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        testCircles =
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        testEllipses =
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        testTextExtent =
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        testPartialTextExtents = false;
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        usePaint =
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        useClient =
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        useMemory = false;
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        useDC =
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        useGC =
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        useGL = false;
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        renderer = Default;
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    }
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    long mapMode,
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         penWidth,
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         width,
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         height,
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         numIters;
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    wxPenStyle penStyle;
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    bool testBitmaps,
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         testImages,
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         testLines,
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         testRawBitmaps,
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         testRectangles,
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         testCircles,
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         testEllipses,
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         testTextExtent,
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         testPartialTextExtents;
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    bool usePaint,
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         useClient,
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         useMemory;
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    bool useDC,
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         useGC,
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         useGL;
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#ifdef __WXMSW__
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    enum GraphicsRenderer { Default, GDIPlus, Direct2D, Cairo };
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#else
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    enum GraphicsRenderer { Default };
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#endif // __WXMSW__ / !__WXMSW__
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    GraphicsRenderer renderer;
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} opts;
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class GraphicsBenchmarkFrame : public wxFrame
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{
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public:
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    GraphicsBenchmarkFrame()
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        : wxFrame(NULL, wxID_ANY, "wxWidgets Graphics Benchmark")
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    {
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        SetClientSize(opts.width, opts.height);
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#if wxUSE_GLCANVAS
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        m_glCanvas = NULL;
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        m_glContext = NULL;
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        if ( opts.useGL )
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        {
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            m_glCanvas = new wxGLCanvas(this, wxID_ANY, NULL,
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                                        wxPoint(0, 0),
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                                        wxSize(opts.width, opts.height));
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            m_glContext = new wxGLContext(m_glCanvas);
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            m_glContext->SetCurrent(*m_glCanvas);
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            glViewport(0, 0, opts.width, opts.height);
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            glMatrixMode(GL_PROJECTION);
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            glLoadIdentity();
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            glOrtho(-1, 1, -1, 1, -1, 1);
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            glMatrixMode(GL_MODELVIEW);
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            glLoadIdentity();
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            InitializeTexture(opts.width, opts.height);
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            m_glCanvas->Connect(
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                wxEVT_PAINT,
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                wxPaintEventHandler(GraphicsBenchmarkFrame::OnGLRender),
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                NULL,
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                this
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            );
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        }
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        else // Not using OpenGL
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#endif // wxUSE_GLCANVAS
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        {
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            Connect(wxEVT_PAINT,
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                    wxPaintEventHandler(GraphicsBenchmarkFrame::OnPaint));
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        }
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        Connect(wxEVT_SIZE, wxSizeEventHandler(GraphicsBenchmarkFrame::OnSize));
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        m_bitmapARGB.Create(64, 64, 32);
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#if defined(__WXMSW__) || defined(__WXOSX__)
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        m_bitmapARGB.UseAlpha(true);
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#endif // __WXMSW__ || _WXOSX__
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        m_bitmapRGB.Create(64, 64, 24);
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        wxBitmap bmpMask(64, 64, 1);
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        {
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            wxMemoryDC dc(bmpMask);
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            dc.SetBackground(*wxBLACK_BRUSH);
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            dc.Clear();
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        }
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        m_bitmapARGBwithMask.Create(64, 64, 32);
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#if defined(__WXMSW__) || defined(__WXOSX__)
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        m_bitmapARGBwithMask.UseAlpha(true);
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#endif // __WXMSW__ || __WXOSX__
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        m_bitmapARGBwithMask.SetMask(new wxMask(bmpMask));
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        m_bitmapRGBwithMask.Create(64, 64, 24);
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        m_bitmapRGBwithMask.SetMask(new wxMask(bmpMask));
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        m_renderer = NULL;
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        if ( opts.useGC )
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        {
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#ifdef __WXMSW__
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            if ( opts.renderer == GraphicsBenchmarkOptions::GDIPlus )
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                m_renderer = wxGraphicsRenderer::GetGDIPlusRenderer();
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            else if ( opts.renderer == GraphicsBenchmarkOptions::Direct2D )
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                m_renderer = wxGraphicsRenderer::GetDirect2DRenderer();
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            else if ( opts.renderer == GraphicsBenchmarkOptions::Cairo )
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                m_renderer = wxGraphicsRenderer::GetCairoRenderer();
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            // Check if selected renderer is operational.
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            if ( m_renderer )
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            {
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                wxBitmap bmp(16, 16);
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                wxMemoryDC memDC(bmp);
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                wxGraphicsContext* gc = m_renderer->CreateContext(memDC);
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                if ( !gc )
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                {
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                    wxPrintf("Couldn't initialize '%s' graphics renderer.\n", m_renderer->GetName().c_str());
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                    m_renderer = NULL;
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                }
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                delete gc;
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            }
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#endif // __WXMSW__
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            if( !m_renderer )
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                m_renderer = wxGraphicsRenderer::GetDefaultRenderer();
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        }
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        Show();
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    }
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#if wxUSE_GLCANVAS
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    virtual ~GraphicsBenchmarkFrame()
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    {
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        delete m_glContext;
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    }
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#endif // wxUSE_GLCANVAS
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private:
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    // Just change the image in some (quick) way to show that it's really being
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    // updated on screen.
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    void UpdateRGB(unsigned char* data, int n)
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    {
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        for ( int y = 0; y < opts.height; ++y )
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        {
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            memset(data, n % 256, 3*opts.width);
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            data += 3*opts.width;
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            n++;
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        }
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    }
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#if wxUSE_GLCANVAS
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    void OnGLRender(wxPaintEvent& WXUNUSED(event))
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    {
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        m_glContext->SetCurrent(*m_glCanvas);
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        glEnable(GL_TEXTURE_2D);
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        glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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        glClear(GL_COLOR_BUFFER_BIT);
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        wxPrintf("Benchmarking %s: ", "OpenGL images");
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        fflush(stdout);
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        wxStopWatch sw;
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        for ( int n = 0; n < opts.numIters; n++ )
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        {
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            UpdateRGB(g_image.GetData(), n);
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            glTexSubImage2D(GL_TEXTURE_2D, 0,
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                            0, 0, opts.width, opts.height,
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                            GL_RGB, GL_UNSIGNED_BYTE, g_image.GetData());
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            glBegin(GL_QUADS);
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                glTexCoord2f(0, 0);
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                glVertex2f(-1.0, -1.0);
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                glTexCoord2f(0, 1);
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                glVertex2f(-1.0, 1.0);
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                glTexCoord2f(1, 1);
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                glVertex2f(1.0, 1.0);
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                glTexCoord2f(1, 0);
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                glVertex2f(1.0, -1.0);
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            glEnd();
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            m_glCanvas->SwapBuffers();
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        }
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        const long t = sw.Time();
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        wxPrintf("%ld images done in %ldms = %gus/image or %ld FPS\n",
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                 opts.numIters, t, (1000. * t)/opts.numIters,
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                 (1000*opts.numIters + t - 1)/t);
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        wxTheApp->ExitMainLoop();
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    }
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#endif // wxUSE_GLCANVAS
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    void OnPaint(wxPaintEvent& WXUNUSED(event))
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    {
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        if ( opts.usePaint )
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        {
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            {
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                wxPaintDC dc(this);
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                wxGCDC gcdc;
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                if ( m_renderer )
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                {
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                    wxGraphicsContext* gc = m_renderer->CreateContext(dc);
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                    gcdc.SetGraphicsContext(gc);
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                }
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                BenchmarkDCAndGC("paint", dc, gcdc);
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            }
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            // Since some renderers use back buffers and hence
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            // drawing results are not displayed when the test
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            // is running then wait a second after graphics
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            // contents is commited to DC to present the output.
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            wxSleep(1);
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        }
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        if ( opts.useClient )
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        {
 | 
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            {
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                wxClientDC dc(this);
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                wxGCDC gcdc;
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                if ( m_renderer )
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                {
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                    wxGraphicsContext* gc = m_renderer->CreateContext(dc);
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                    gcdc.SetGraphicsContext(gc);
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                }
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                BenchmarkDCAndGC("client", dc, gcdc);
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            }
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            // Since some renderers use back buffers and hence
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            // drawing results are not displayed when the test
 | 
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            // is running then wait a second after graphics
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            // contents is commited to DC to present the output.
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            wxSleep(1);
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        }
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        if ( opts.useMemory )
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        {
 | 
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            {
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                wxBitmap bmp(opts.width, opts.height);
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                wxMemoryDC dc(bmp);
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                wxGCDC gcdc;
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                if ( m_renderer )
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                {
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                    wxGraphicsContext* gc = m_renderer->CreateContext(dc);
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                    gcdc.SetGraphicsContext(gc);
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                }
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                BenchmarkDCAndGC("default memory", dc, gcdc);
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            }
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            {
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                wxBitmap bmp(opts.width, opts.height, 24);
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                wxMemoryDC dc(bmp);
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                wxGCDC gcdc;
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                if ( m_renderer )
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                {
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                    wxGraphicsContext* gc = m_renderer->CreateContext(dc);
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                    gcdc.SetGraphicsContext(gc);
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                }
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                BenchmarkDCAndGC("RGB memory", dc, gcdc);
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            }
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            {
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#if defined(__WXMSW__) || defined(__WXOSX__)
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                wxBitmap bmp(opts.width, opts.height, 32);
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                bmp.UseAlpha(false);
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                wxMemoryDC dc(bmp);
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                wxGCDC gcdc;
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                if ( m_renderer )
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                {
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                    wxGraphicsContext* gc = m_renderer->CreateContext(dc);
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                    gcdc.SetGraphicsContext(gc);
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                }
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                BenchmarkDCAndGC("0RGB memory", dc, gcdc);
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#endif // __WXMSW__ ||__WXOSX__
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            }
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            {
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                wxBitmap bmp(opts.width, opts.height, 32);
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#if defined(__WXMSW__) || defined(__WXOSX__)
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                bmp.UseAlpha(true);
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#endif // __WXMSW__ || __WXOSX__
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                wxMemoryDC dc(bmp);
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                wxGCDC gcdc;
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						|
                if ( m_renderer )
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						|
                {
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                    wxGraphicsContext* gc = m_renderer->CreateContext(dc);
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						|
                    gcdc.SetGraphicsContext(gc);
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						|
                }
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						|
                BenchmarkDCAndGC("ARGB memory", dc, gcdc);
 | 
						|
            }
 | 
						|
 | 
						|
        }
 | 
						|
 | 
						|
        wxTheApp->ExitMainLoop();
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkDCAndGC(const char* dckind, wxDC& dc, wxGCDC& gcdc)
 | 
						|
    {
 | 
						|
        if ( opts.useDC )
 | 
						|
        {
 | 
						|
            BenchmarkAll(wxString::Format("%6s DC", dckind), dc);
 | 
						|
        }
 | 
						|
        else if ( opts.useGC && gcdc.IsOk() )
 | 
						|
        {
 | 
						|
            wxString rendName = gcdc.GetGraphicsContext()->GetRenderer()->GetName();
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						|
            BenchmarkAll(wxString::Format("%6s GC (%s)", dckind, rendName.c_str()), gcdc);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkAll(const wxString& msg, wxDC& dc)
 | 
						|
    {
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        BenchmarkBitmaps(msg, dc);
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						|
        BenchmarkImages(msg, dc);
 | 
						|
        BenchmarkLines(msg, dc);
 | 
						|
        BenchmarkRawBitmaps(msg, dc);
 | 
						|
        BenchmarkRectangles(msg, dc);
 | 
						|
        BenchmarkRoundedRectangles(msg, dc);
 | 
						|
        BenchmarkCircles(msg, dc);
 | 
						|
        BenchmarkEllipses(msg, dc);
 | 
						|
        BenchmarkTextExtent(msg, dc);
 | 
						|
        BenchmarkPartialTextExtents(msg, dc);
 | 
						|
    }
 | 
						|
 | 
						|
    void SetupDC(wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( opts.mapMode != 0 )
 | 
						|
            dc.SetMapMode((wxMappingMode)opts.mapMode);
 | 
						|
        if ( opts.penWidth != 0 )
 | 
						|
            dc.SetPen(wxPen(*wxWHITE, opts.penWidth));
 | 
						|
        if ( opts.penStyle != wxPENSTYLE_INVALID )
 | 
						|
        {
 | 
						|
            wxPen pen = dc.GetPen();
 | 
						|
            if ( !pen.IsOk() )
 | 
						|
                pen = wxPen(*wxWHITE, 1);
 | 
						|
            pen.SetStyle(opts.penStyle);
 | 
						|
            dc.SetPen(pen);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkLines(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testLines )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        int x0 = 0,
 | 
						|
            y0 = 0;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x1 = rand() % opts.width,
 | 
						|
                y1 = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawLine(x0, y0, x1, y1);
 | 
						|
 | 
						|
            x0 = x1;
 | 
						|
            y0 = y1;
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld lines done in %ldms = %gus/line\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
 | 
						|
        // Horizontal lines
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        sw.Start();
 | 
						|
        x0 = 0;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x1 = rand() % opts.width;
 | 
						|
            int y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawLine(x0, y, x1, y);
 | 
						|
 | 
						|
            x0 = x1;
 | 
						|
        }
 | 
						|
 | 
						|
        const long t2 = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld horizontal lines done in %ldms = %gus/line\n",
 | 
						|
            opts.numIters, t2, (1000. * t2) / opts.numIters);
 | 
						|
 | 
						|
        // Vertical lines
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        sw.Start();
 | 
						|
        y0 = 0;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width;
 | 
						|
            int y1 = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawLine(x, y0, x, y1);
 | 
						|
 | 
						|
            y0 = y1;
 | 
						|
        }
 | 
						|
 | 
						|
        const long t3 = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld vertical lines done in %ldms = %gus/line\n",
 | 
						|
            opts.numIters, t3, (1000. * t3) / opts.numIters);
 | 
						|
 | 
						|
        // Cross hair
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        sw.Start();
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            x0 = rand() % opts.width;
 | 
						|
            y0 = rand() % opts.height;
 | 
						|
 | 
						|
            dc.CrossHair(x0, y0);
 | 
						|
        }
 | 
						|
        const long t4 = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld cross hairs done in %ldms = %gus/line\n",
 | 
						|
            opts.numIters, t4, (1000. * t4) / (2*opts.numIters));
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    void BenchmarkRectangles(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testRectangles )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        dc.SetBrush( *wxRED_BRUSH );
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawRectangle(x, y, 32, 32);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld rects done in %ldms = %gus/rect\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkRoundedRectangles(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testRectangles )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        dc.SetBrush( *wxCYAN_BRUSH );
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawRoundedRectangle(x, y, 48, 32, 8);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld rounded rects done in %ldms = %gus/rect\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkCircles(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testCircles )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        dc.SetBrush( *wxGREEN_BRUSH );
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( long n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawCircle(x, y, 32);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld circles done in %ldms = %gus/circle\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkEllipses(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testEllipses )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        dc.SetBrush( *wxBLUE_BRUSH );
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( long n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawEllipse(x, y, 48, 32);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld ellipses done in %ldms = %gus/ellipse\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkTextExtent(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testTextExtent )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        const wxString str("The quick brown fox jumps over the lazy dog");
 | 
						|
        wxSize size;
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( long n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            size += dc.GetTextExtent(str);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld text extent measures done in %ldms = %gus/call\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkPartialTextExtents(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testPartialTextExtents )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        const wxString str("The quick brown fox jumps over the lazy dog");
 | 
						|
        wxArrayInt widths;
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( long n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            if ( !dc.GetPartialTextExtents(str, widths) )
 | 
						|
            {
 | 
						|
                wxPrintf("ERROR: GetPartialTextExtents() failed\n");
 | 
						|
                return;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld partial text extents measures done in %ldms = %gus/call\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkBitmaps(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testBitmaps )
 | 
						|
            return;
 | 
						|
 | 
						|
        SetupDC(dc);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawBitmap(m_bitmapARGB, x, y, true);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld ARGB bitmaps done in %ldms = %gus/bitmap\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        sw.Start();
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawBitmap(m_bitmapRGB, x, y, true);
 | 
						|
        }
 | 
						|
        const long t2 = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld RGB bitmaps done in %ldms = %gus/bitmap\n",
 | 
						|
                 opts.numIters, t2, (1000. * t2)/opts.numIters);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        sw.Start();
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawBitmap(m_bitmapARGBwithMask, x, y, true);
 | 
						|
        }
 | 
						|
        const long t3 = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld ARGB bitmaps with mask done in %ldms = %gus/bitmap\n",
 | 
						|
            opts.numIters, t3, (1000. * t3) / opts.numIters);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        sw.Start();
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            int x = rand() % opts.width,
 | 
						|
                y = rand() % opts.height;
 | 
						|
 | 
						|
            dc.DrawBitmap(m_bitmapRGBwithMask, x, y, true);
 | 
						|
        }
 | 
						|
        const long t4 = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld RGB bitmaps with mask done in %ldms = %gus/bitmap\n",
 | 
						|
            opts.numIters, t4, (1000. * t4) / opts.numIters);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkImages(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testImages )
 | 
						|
            return;
 | 
						|
 | 
						|
        if ( opts.mapMode != 0 )
 | 
						|
            dc.SetMapMode((wxMappingMode)opts.mapMode);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxImage image(wxSize(opts.width, opts.height), false /* don't clear */);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            UpdateRGB(image.GetData(), n);
 | 
						|
            dc.DrawBitmap(image, 0, 0);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld images done in %ldms = %gus/image or %ld FPS\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters,
 | 
						|
                 (1000*opts.numIters + t - 1)/t);
 | 
						|
    }
 | 
						|
 | 
						|
    void BenchmarkRawBitmaps(const wxString& msg, wxDC& dc)
 | 
						|
    {
 | 
						|
        if ( !opts.testRawBitmaps )
 | 
						|
            return;
 | 
						|
 | 
						|
        if ( opts.mapMode != 0 )
 | 
						|
            dc.SetMapMode((wxMappingMode)opts.mapMode);
 | 
						|
 | 
						|
        wxPrintf("Benchmarking %s: ", msg);
 | 
						|
        fflush(stdout);
 | 
						|
 | 
						|
        wxBitmap bitmap(opts.width, opts.height, 24);
 | 
						|
        wxNativePixelData data(bitmap);
 | 
						|
 | 
						|
        wxStopWatch sw;
 | 
						|
        for ( int n = 0; n < opts.numIters; n++ )
 | 
						|
        {
 | 
						|
            unsigned char c = n % 256;
 | 
						|
            {
 | 
						|
                wxNativePixelData::Iterator p(data);
 | 
						|
                for ( int y = 0; y < opts.height; ++y )
 | 
						|
                {
 | 
						|
                    wxNativePixelData::Iterator rowStart = p;
 | 
						|
 | 
						|
                    for ( int x = 0; x < opts.width; ++x )
 | 
						|
                    {
 | 
						|
                        p.Red() =
 | 
						|
                        p.Green() =
 | 
						|
                        p.Blue() = c;
 | 
						|
                        ++p;
 | 
						|
                    }
 | 
						|
 | 
						|
                    p = rowStart;
 | 
						|
                    p.OffsetY(data, 1);
 | 
						|
                    c++;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            dc.DrawBitmap(bitmap, 0, 0);
 | 
						|
        }
 | 
						|
 | 
						|
        const long t = sw.Time();
 | 
						|
 | 
						|
        wxPrintf("%ld raw bitmaps done in %ldms = %gus/bitmap or %ld FPS\n",
 | 
						|
                 opts.numIters, t, (1000. * t)/opts.numIters,
 | 
						|
                 (1000*opts.numIters + t - 1)/t);
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    wxBitmap m_bitmapARGB;
 | 
						|
    wxBitmap m_bitmapRGB;
 | 
						|
    wxBitmap m_bitmapARGBwithMask;
 | 
						|
    wxBitmap m_bitmapRGBwithMask;
 | 
						|
#if wxUSE_GLCANVAS
 | 
						|
    wxGLCanvas* m_glCanvas;
 | 
						|
    wxGLContext* m_glContext;
 | 
						|
#endif // wxUSE_GLCANVAS
 | 
						|
    wxGraphicsRenderer* m_renderer;
 | 
						|
};
 | 
						|
 | 
						|
class GraphicsBenchmarkApp : public wxApp
 | 
						|
{
 | 
						|
public:
 | 
						|
    virtual void OnInitCmdLine(wxCmdLineParser& parser)
 | 
						|
    {
 | 
						|
        static const wxCmdLineEntryDesc desc[] =
 | 
						|
        {
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "bitmaps" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "images" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "lines" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "rawbmp" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "rectangles" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "circles" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "ellipses" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "textextent" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "partialtextextents" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "paint" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "client" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "memory" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "dc" },
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "gc" },
 | 
						|
#if wxUSE_GLCANVAS
 | 
						|
            { wxCMD_LINE_SWITCH, "",  "gl" },
 | 
						|
#endif // wxUSE_GLCANVAS
 | 
						|
            { wxCMD_LINE_OPTION, "m", "map-mode", "", wxCMD_LINE_VAL_NUMBER },
 | 
						|
            { wxCMD_LINE_OPTION, "p", "pen-width", "", wxCMD_LINE_VAL_NUMBER },
 | 
						|
            { wxCMD_LINE_OPTION, "s", "pen-style", "solid | dot | long_dash | short_dash", wxCMD_LINE_VAL_STRING },
 | 
						|
            { wxCMD_LINE_OPTION, "w", "width", "", wxCMD_LINE_VAL_NUMBER },
 | 
						|
            { wxCMD_LINE_OPTION, "h", "height", "", wxCMD_LINE_VAL_NUMBER },
 | 
						|
            { wxCMD_LINE_OPTION, "I", "images", "", wxCMD_LINE_VAL_NUMBER },
 | 
						|
            { wxCMD_LINE_OPTION, "N", "number-of-iterations", "", wxCMD_LINE_VAL_NUMBER },
 | 
						|
#ifdef __WXMSW__
 | 
						|
            { wxCMD_LINE_OPTION, "r", "renderer", "gdiplus | direct2d | cairo", wxCMD_LINE_VAL_STRING },
 | 
						|
#endif // __WXMSW__
 | 
						|
            { wxCMD_LINE_NONE },
 | 
						|
        };
 | 
						|
 | 
						|
        parser.SetDesc(desc);
 | 
						|
    }
 | 
						|
 | 
						|
    virtual bool OnCmdLineParsed(wxCmdLineParser& parser)
 | 
						|
    {
 | 
						|
        if ( parser.Found("m", &opts.mapMode) &&
 | 
						|
                (opts.mapMode < 1 || opts.mapMode > wxMM_METRIC) )
 | 
						|
            return false;
 | 
						|
        if ( parser.Found("p", &opts.penWidth) && opts.penWidth < 1 )
 | 
						|
            return false;
 | 
						|
        wxString penStyle;
 | 
						|
        if ( parser.Found("pen-style", &penStyle) )
 | 
						|
        {
 | 
						|
            if ( !penStyle.empty() )
 | 
						|
            {
 | 
						|
                if ( penStyle == wxS("solid") )
 | 
						|
                {
 | 
						|
                    opts.penStyle = wxPENSTYLE_SOLID;
 | 
						|
                }
 | 
						|
                else if ( penStyle == wxS("dot") )
 | 
						|
                {
 | 
						|
                    opts.penStyle = wxPENSTYLE_DOT;
 | 
						|
                }
 | 
						|
                else if ( penStyle == wxS("long_dash") )
 | 
						|
                {
 | 
						|
                    opts.penStyle = wxPENSTYLE_LONG_DASH;
 | 
						|
                }
 | 
						|
                else if ( penStyle == wxS("short_dash") )
 | 
						|
                {
 | 
						|
                    opts.penStyle = wxPENSTYLE_SHORT_DASH;
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    wxLogError(wxS("Unsupported pen style."));
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if ( parser.Found("w", &opts.width) && opts.width < 1 )
 | 
						|
            return false;
 | 
						|
        if ( parser.Found("h", &opts.height) && opts.height < 1 )
 | 
						|
            return false;
 | 
						|
        if ( parser.Found("N", &opts.numIters) && opts.numIters < 1 )
 | 
						|
            return false;
 | 
						|
 | 
						|
        opts.testBitmaps = parser.Found("bitmaps");
 | 
						|
        opts.testImages = parser.Found("images");
 | 
						|
        opts.testLines = parser.Found("lines");
 | 
						|
        opts.testRawBitmaps = parser.Found("rawbmp");
 | 
						|
        opts.testRectangles = parser.Found("rectangles");
 | 
						|
        opts.testCircles = parser.Found("circles");
 | 
						|
        opts.testEllipses = parser.Found("ellipses");
 | 
						|
        opts.testTextExtent = parser.Found("textextent");
 | 
						|
        opts.testPartialTextExtents = parser.Found("partialtextextents");
 | 
						|
        if ( !(opts.testBitmaps || opts.testImages || opts.testLines
 | 
						|
                    || opts.testRawBitmaps || opts.testRectangles
 | 
						|
                    || opts.testCircles || opts.testEllipses
 | 
						|
                    || opts.testTextExtent || opts.testPartialTextExtents) )
 | 
						|
        {
 | 
						|
            // Do everything by default.
 | 
						|
            opts.testBitmaps =
 | 
						|
            opts.testImages =
 | 
						|
            opts.testLines =
 | 
						|
            opts.testRawBitmaps =
 | 
						|
            opts.testRectangles =
 | 
						|
            opts.testCircles =
 | 
						|
            opts.testEllipses =
 | 
						|
            opts.testTextExtent =
 | 
						|
            opts.testPartialTextExtents = true;
 | 
						|
        }
 | 
						|
 | 
						|
        opts.usePaint = parser.Found("paint");
 | 
						|
        opts.useClient = parser.Found("client");
 | 
						|
        opts.useMemory = parser.Found("memory");
 | 
						|
        if ( !(opts.usePaint || opts.useClient || opts.useMemory) )
 | 
						|
        {
 | 
						|
            opts.usePaint =
 | 
						|
            opts.useClient =
 | 
						|
            opts.useMemory = true;
 | 
						|
        }
 | 
						|
 | 
						|
        opts.useDC = parser.Found("dc");
 | 
						|
        opts.useGC = parser.Found("gc");
 | 
						|
#if wxUSE_GLCANVAS
 | 
						|
        opts.useGL = parser.Found("gl");
 | 
						|
        if ( opts.useGL )
 | 
						|
        {
 | 
						|
            if ( opts.useDC || opts.useGC )
 | 
						|
            {
 | 
						|
                wxLogError("Can't use both OpenGL and normal graphics.");
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        else // Not using OpenGL
 | 
						|
#endif // wxUSE_GLCANVAS
 | 
						|
        {
 | 
						|
            if ( !(opts.useDC || opts.useGC) )
 | 
						|
            {
 | 
						|
                opts.useDC =
 | 
						|
                opts.useGC = true;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        opts.renderer = GraphicsBenchmarkOptions::Default;
 | 
						|
#ifdef __WXMSW__
 | 
						|
        wxString rendererName;
 | 
						|
        if ( parser.Found("renderer", &rendererName) )
 | 
						|
        {
 | 
						|
            if ( !opts.useGC )
 | 
						|
            {
 | 
						|
                wxLogError("Renderer can be specified only when using graphics.");
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
            if ( !rendererName.empty() )
 | 
						|
            {
 | 
						|
                if ( rendererName == wxS("gdiplus") )
 | 
						|
                {
 | 
						|
                    opts.renderer = GraphicsBenchmarkOptions::GDIPlus;
 | 
						|
                }
 | 
						|
                else if ( rendererName == wxS("direct2d") )
 | 
						|
                {
 | 
						|
                    opts.renderer = GraphicsBenchmarkOptions::Direct2D;
 | 
						|
                }
 | 
						|
                else if ( rendererName == wxS("cairo") )
 | 
						|
                {
 | 
						|
                    opts.renderer = GraphicsBenchmarkOptions::Cairo;
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    wxLogError( wxS("Unknown renderer name.") );
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
#endif // __WXMSW__
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    virtual bool OnInit()
 | 
						|
    {
 | 
						|
        if ( !wxApp::OnInit() )
 | 
						|
            return false;
 | 
						|
 | 
						|
        new GraphicsBenchmarkFrame;
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
wxIMPLEMENT_APP_CONSOLE(GraphicsBenchmarkApp);
 |