A method for texture mapping an image includes passing an interpolating filter along a line of anisotropy in a texture map and computing a weighted sum of the outputs of the interpolating filter to compute pixel intensity values. The weighting of these output values can be computed using a one dimen ...
A system for improved shadowing of images using a multiple pass, depth buffer approach includes rendering a scene from the perspective of a light source to construct a shadow depth map in a rasterization buffer. The system computes depth values for the two nearest geometric primitives to the light s ...
A system for improved shadowing of images using a multiple pass, depth buffer approach includes rendering a scene from the perspective of a light source to construct a shadow depth map in a rasterization buffer. The system computes depth values for the two nearest geometric primitives to the light s ...
A graphics rendering chip serially renders a stream of geometric primitives to image regions called chunks. A set-up processor in the chip parses rendering commands and the stream of geometric primitives and computes edge equation parameters. A scan-convert processor receives the edge equation param ...
A method for supporting image compression in a real-time graphics rendering pipeline includes sorting object geometry for a scene among image regions called chunks. The object geometry for each chunk is rendered separately, and in a serial fashion. After the object geometry is completely rendered fo ...
A gsprite engine circuit reads a display list identifying gsprite image layers to be composited for display, retrieves gsprite image data from an external memory, and transforms the gsprite data to display device coordinates. The gsprite image layers represent independently rendered graphical object ...
A system for spatially transforming images by separate transformation of each dimension of the image is exemplified by a raster scan television system which includes for each color component a transposing memory providing a change of scan direction from horizontal to vertical, a vertical transformat ...
A system for spatially transforming images by separate transformation of each dimension of the image is exemplified by a raster scan television system which includes for each color component a transposing memory providing a change of scan direction from horizontal to vertical, a vertical transformat ...
A spatial transformation system includes a processing system for each component of an input video signal. The processing systems respond to operator commands entered through a control panel to provide spatial transformation such as enlargement, reduction, translation, and three-dimensional perspecti ...
A method and system for improved motion compensation between a previous frame of video information and a new frame. Each block of pixels in a block-based compression scheme uses four vectors, three from proximate blocks, to determine motion-induced changes to its pixels. The vectors are interpolated ...
