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Advanced Topics

Quadro SDI Output PG-03776-001_v06 | 69

// Cleanup OpenGL state

cleanupGL;

// Release video device.

cleanupVideo();

}

The data integrity check mode is a hardware state enabled and disabled by calling

NvGvoConfigSet() much the same way as other video control parameters are set by an

application. Examples of functions that demonstrate the enabling and disabling of the

data integrity check are shown in Code Listing 49.

Code Listing 49: Enabling and Disabling the Data Integrity Check on

Windows

// Enable data integrity check

HRESULT

enableDataCheck(GLvoid)

{

NVVIOCONFIG l_vioConfig;

memset(&l_vioConfig, 0, sizeof(l_vioConfig));

l_vioConfig.version = NVVIOCONFIG_VER;

l_vioConfig.fields = 0;

l_vioConfig.fields = NVVIOCONFIG_DATAINTEGRITYCHECK;

l_vioConfig.vioConfig.outConfig.enableDataIntegrityCheck =

TRUE;

// Set configuration

if (NvAPI_VIO_SetConfig(g_hVIO, &l_vioConfig) != NVAPI_OK){

return E_FAIL;

}

return S_OK;

}

// Disable data integrity check

HRESULT

disableDataCheck(GLvoid)

{

NVVIOCONFIG l_vioConfig;

memset(&l_vioConfig, 0, sizeof(l_vioConfig));

l_vioConfig.version = NVVIOCONFIG_VER;

l_vioConfig.fields = 0;

l_vioConfig.fields = NVVIOCONFIG_DATAINTEGRITYCHECK;

l_vioConfig.vioConfig.outConfig.enableDataIntegrityCheck =

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