G - Physics – 09 – G
Patent
G - Physics
09
G
G09G 5/00 (2006.01) G06F 3/14 (2006.01) G09G 5/14 (2006.01)
Patent
CA 2148048
A method and system for accommodating multiple video controllers. The method includes communicating a plurality of primitive commands to a video controller having a configuration of a predetermined type. Further, the method includes electronically determining the type of the configuration, and generating a vector table comprising a plurality of device-specific routines. Each entry in the vector table may point to a device-specific routine for hardware acceleration of a primitive command or to a default routine which sets the video controller in a specific mode which can be operated by a set of colordepth-specific routines which operate on any video controller set to the specific mode. In response to a primitive from the operating environment, common code, which is device and colordepth independent, will access a routine via the vector table. If the vector table does not access a hardware accelerated routine, colordepth specific code is used to execute the primitive.
Biggs Kent E.
Lobodzinski Mark A.
Compaq Computer Corporation
Finlayson & Singlehurst
LandOfFree
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