Flexible dram access in a frame buffer memory and system
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United States of America Patent
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Aug 6, 1996
Grant Date -
N/A
app pub date -
May 3, 1994
filing date -
May 3, 1994
priority date (Note) -
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Abstract
A frame buffer dynamic random access memory (FBRAM) is disclosed that enables accelerated rendering of Z-buffered graphics primitives. The FBRAM converts read-modify-write transactions such as Z-buffer compare and RBG alpha blending into a write only operation. The FBRAM also implements two levels of internal pixel caches, and a four-way interleaved frame buffer.
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