Datapath Vision Manual do Utilizador descarregar pdf (Página 60)

Using the card with other Datapath products

The VisionSDI2 captures data and stores it in an on-board video buer. This data is then copied using

DMA to the host system for display, storage or streaming.

When a Datapath graphics card is used, VisionSDI2 transfers the data directly to the graphics card thereby

increasing performance. The VisionSDI2 sends the relevant portions of each captured image to each

display channel and instructs each channel to use its graphics engine to render the data. This fully utilises

the hardware and dramatically increases performance.

When a Direct3D compatible graphics card is used the data can be transferred direct to the graphics card

in a similar manner to the Datapath graphics card with the same benet of non-tearing captures.

When the data is displayed on a non Datapath graphics card, the VisionSDI2 sends the data to system

memory or direct to the graphics card, dependant on the software used for display.

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Datapath Vision Manual do Utilizador Página 60