Inventor

PRIEM CURTIS

US85 patents

⚠️ This page may combine multiple inventors who share the name “PRIEM CURTIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PRIEM CURTIS

NVIDIA CORP

DMA controller translates virtual I/O device address received directly from application program command to physical i/o device address of I/O device on device bus

Method and apparatus for providing a vertex cache

Method and apparatus for accelerating the rendering of images

System for providing fast transfers to input/output device by assuring commands from only one application program reside in FIFO

Method and apparatus for accelerating the transfer of graphical images

Method of controlling I/O routing by setting connecting context for utilizing I/O processing elements within a computer system to produce multimedia effects

Apparatus for accelerating the rendering of images

Graphics pipeline including combiner stages

Graphics pipeline selectively providing multiple pixels or multiple textures

Semaphore enhancement to improve system performance

Method and apparatus for determining texture values of graphical images

Method and apparatus for accelerating the rendering of graphical images

Apparatus accessed at a physical I/O address for address and data translation and for context switching of I/O devices in response to commands from application programs

Delayed interrupts with a FIFO in an improved input/output architecture

Architecture for providing input/output operations in a computer system

Apparatus adapted to be joined between the system I/O bus and I/O devices which translates addresses furnished directly by an application program

Register array for utilizing burst mode transfer on local bus

Method and apparatus for authenticating the use of software

Architecture for providing input/output operations in a computer system

Method and apparatus for scaling texture maps for graphical images

System and method of detecting rotated displays

Method and apparatus for providing high quality audio in a computer system

Method and apparatus for trapping unimplemented operations in input/output devices

High quality audio generation by storing wave tables in system memory and having a DMA controller on the sound board for transferring the wave tables

System for determining from a command storing in a storage circuit an application program which has initiated the command to determine an input/output device address

Method and apparatus for providing a plurality of color formats from a single frame buffer

System for FIFO informing the availability of stages to store commands which include data and virtual address sent directly from application programs

Method for providing high quality audio by storing wave tables in system memory and having a DMA controller on the sound card for transferring the wave tables

Method and apparatus for providing fifo buffer input to an input/output device used in a computer system

Method and apparatus for dithering images in a digital display system

Method and apparatus for providing improved flow control for input/output operations in a computer system having a FIFO circuit and an overflow storage area

Apparatus for handling failures to provide a safe address translation in an improved input/output architecture for a computer system

System using a plurality of state machines for translating commands intended for legacy bus devices to commands for local bus devices

Method and apparatus for naming input/output devices in a computer system

Texture cache for a computer graphics accelerator

Method and apparatus for accelerating the rendering of images

SUN MICROSYSTEMS INC

Anti-aliasing raster operations utilizing sub-pixel crossing information to control pixel shading

Apparatus for selecting frame buffers for display in a double buffered display system

Method and apparatus for the context switching of devices

Graphics accelerator system

Matrix arithmetic circuit for processing matrix transformation operations

Z-buffer allocated for window identification

Method and apparatus for providing a configurable display memory for single buffered and double buffered application programs to be run singly or simultaneously

Method and apparatus for allowing computer circuitry to function with updated versions of computer software

Method and apparatus for providing shared off-screen memory

Apparatus for write handshake in high-speed asynchronous bus interface

Predictive caching method and apparatus for generating a predicted address for a frame buffer

Method and apparatus for spatial anti-aliased depth cueing

NVIDIA

Method and apparatus for accelerating rendering by coalescing data accesses

Method and apparatus for providing address translations for input/output operations in a computer system