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VARYING EFFECTIVE RESOLUTION BY SCREEN LOCATION BY ALTERING RASTERIZATION PARAMETERS

  • US 20170316544A1
  • Filed: 07/17/2017
  • Published: 11/02/2017
  • Est. Priority Date: 04/05/2014
  • Status: Active Grant
First Claim
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1. A method for graphics processing, comprising:

  • performing primitive assembly on vertices of a scene in a virtual space to compute projections of the vertices from the virtual space onto a viewport of the scene in a screen space of a display device containing a plurality of pixels, the plurality of pixels of the display device being subdivided into a plurality of subsections;

    determining which pixels of the plurality of pixels are part of each primitive that has been converted to screen space coordinates;

    receiving metadata associated with a subsection a primitive overlaps, wherein the metadata determines a pixel resolution for the subsection, wherein the pixel resolution is a number of active pixels per unit area of the screen for the subsection; and

    using the metadata in processing pixels for the subsection to generate final pixel values for the viewport of the scene that is displayed on the display device in such a way that parts of the scene in two different subsections have different pixel resolutions and pixel data stored in a memory does not change.

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