A window-based graphics frame store architecture

  • Authors:
  • Richard J. Westmore

  • Affiliations:
  • National Semiconductor, Santa Clara, CA

  • Venue:
  • ACM Transactions on Graphics (TOG)
  • Year:
  • 1988

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Abstract

A proposal for a scalable frame store architecture for a hardware-based window graphics system is described. The architecture is based on a distributed linear array of common elements called microframe stores. Each window and viewport can be independently configured in size and color depth. Unlike the strip-based hardware window systems referenced, this system places no restrictions on the number of transitions that can be accommodated on each scanline. The approach described allows real-time window graphics to be achieved on a variety of full-color, high-resolution, high-refresh-rate, raster-scan displays with pixel rates of up to 400 MHz.