How To Directx9 Device Creation with Multiple Thread Support

[Luigina]

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Hi everyone,

With this change you can handle multiple threads on device creating on Directx9 update. It fixes application freeze / crash when creating a thread on application create.

GrpDetector.cpp

// Before

if (m_kD3DCaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)
{
    if (m_kD3DCaps.DevCaps & D3DDEVCAPS_PUREDEVICE)
    {
        dwD3DBehavior = D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE;

        if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
            isFormatConfirmed = TRUE;
    }

    if (FALSE == isFormatConfirmed)
    {
        dwD3DBehavior = D3DCREATE_HARDWARE_VERTEXPROCESSING;

        if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
            isFormatConfirmed = TRUE;
    }

    if (FALSE == isFormatConfirmed)
    {
        dwD3DBehavior = D3DCREATE_MIXED_VERTEXPROCESSING;

        if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
            isFormatConfirmed = TRUE;
    }
}

// Confirm the device/format for SW vertex processing
if (FALSE == isFormatConfirmed)
{
    dwD3DBehavior = D3DCREATE_SOFTWARE_VERTEXPROCESSING;

    if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
        isFormatConfirmed = TRUE;
}

// After

if (m_kD3DCaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)
{
    if (m_kD3DCaps.DevCaps & D3DDEVCAPS_PUREDEVICE)
    {
        dwD3DBehavior = D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE | D3DCREATE_MULTITHREADED;

        if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
            isFormatConfirmed = TRUE;
    }

    if (FALSE == isFormatConfirmed)
    {
        dwD3DBehavior = D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED;

        if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
            isFormatConfirmed = TRUE;
    }

    if (FALSE == isFormatConfirmed)
    {
        dwD3DBehavior = D3DCREATE_MIXED_VERTEXPROCESSING | D3DCREATE_MULTITHREADED;

        if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
            isFormatConfirmed = TRUE;
    }
}

// Confirm the device/format for SW vertex processing
if (FALSE == isFormatConfirmed)
{
    dwD3DBehavior = D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED;

    if (pfnConfirmDevice(m_kD3DCaps, dwD3DBehavior, eD3DFmtPixel))
        isFormatConfirmed = TRUE;
}

 

[Mehmetcan Y.k]

Schönes Teilen

 

[Jack.Wrestler]

Paylaşım için teşekkürler.

 

[chengdu]

Paylaşım için teşekkürler

 

[Koray']

öncesi ve sonrası karşılaştırması yararlı olabilir ne anlamda performans iyileştirmesi sağlıyor daha netleşir.