发明名称 |
Method and apparatus for accelerating the transfer of graphical images |
摘要 |
A direct memory access (DMA) arrangement having a DMA circuit which is positioned with an input/output device, the DMA circuit including a first register for storing a reference value pointing to a first data structure established by an application program which includes details of a transfer buffer in memory in which data is stored for transfer to the I/O device, two additional registers for storing an address and a range at which the data is stored within the transfer buffer in memory, and a fourth register for storing a reference value pointing to a second data structure which includes details describing a notification area of memory at which a notification from the DMA circuit that a transfer of data has been completed may be stored.
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申请公布号 |
US6023738(A) |
申请公布日期 |
2000.02.08 |
申请号 |
US19980050852 |
申请日期 |
1998.03.30 |
申请人 |
NVIDIA CORPORATION |
发明人 |
PRIEM, CURTIS;ROSENTHAL, DAVID S. H.;IWAMOTO, RICK |
分类号 |
G06F3/14;G06F13/28;G09G5/00;G09G5/36;(IPC1-7):G06F13/00 |
主分类号 |
G06F3/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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