Opengl Screen - 3Dlabs Oxygen GMX User Manual

The Oxygen GMX Driver

OpenGL Screen

The OpenGL screen provides these Advanced and Application Support options.
• Number of DMA Sub Buffers controls partitioning of data (primitives) sent
to the graphics card from your system's CPU. "3" is the optimal setting. If
you choose a number less than 3, you may experience a significant
performance impact. If you choose a number larger than 3 (and particularly
larger than 5), your results will vary depending on your system
configuration and the application you are using.
• Checking Wait for VBlank synchronizes double-buffering with screen
refresh to prevent tearing in your 3D images. This setting is the default.
Unchecking this can result in higher frame rates and benchmark scores,
especially the OPC Viewperf benchmark. The slight performance penalty
associated with using this feature can be well worth the image quality
enhancement.
• Check Softimage versions 3.51 and 3.7 when working with these versions
of the application to get the best results from your Oxygen GMX card.
Uncheck the box when you use another application.
10
Display Properties
Background
Screen Saver
3Dlabs
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Advanced Options
Number of DMA Sub Buffers
Wait for VBlank
Application Support
SoftImage version 3.51/3.7
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3Dlabs Oxygen GMX User's Guide
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