Patents by Inventor Christopher J. Migdal
Christopher J. Migdal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8610729Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: GrantFiled: June 12, 2012Date of Patent: December 17, 2013Assignee: Graphic Properties Holdings, Inc.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120262470Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 18, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120256933Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 11, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120256942Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 11, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120256932Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 11, 2012Applicant: Graphics Properties Holdings, Inc.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120249561Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 4, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120249562Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 4, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120249566Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 4, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20120249548Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: June 12, 2012Publication date: October 4, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Patent number: 8212835Abstract: One embodiment of the present invention sets forth a technique for transitioning from bilinear sampling to filter-4 sampling, while avoiding the visual artifacts along the boundary between the two different types of filters. The technique may be implemented using a linear transition function or an arbitrary transition function stored in a lookup table. The transition to filter-4 sampling occurs when the view of a textured object includes both minified and magnified levels of texture detail. Using this technique, high image quality is maintained for texture mapped images that include both highly minified pixels as well as highly magnified pixels, without suffering the performance penalty associated with using a filtering operation such as filter-4 sampling across all pixels.Type: GrantFiled: December 14, 2006Date of Patent: July 3, 2012Assignee: NVIDIA CorporationInventors: Christopher J. Migdal, Alexander L. Minkin, Walter E. Donovan
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Publication number: 20120139931Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: February 16, 2012Publication date: June 7, 2012Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Patent number: 8144158Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: GrantFiled: January 11, 2011Date of Patent: March 27, 2012Assignee: Graphics Properties Holdings, Inc.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20110169842Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: January 11, 2011Publication date: July 14, 2011Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Patent number: 7924290Abstract: A method and system for performing a texture operation with user-specified offset positions are disclosed. Specifically, one embodiment of the present invention sets forth a method, which includes the steps of deriving a first destined texel position based on an original sample position associated with a pixel projected in a texture map and a first offset position specified by a user and fetching texel attributes at the first destined texel position for the texture operation.Type: GrantFiled: May 30, 2007Date of Patent: April 12, 2011Assignee: NVIDIA CorporationInventors: Anders M. Kugler, Alexander L. Minkin, William P. Newhall, Jr., Christopher J. Migdal, Pemith R. Fernando, Lup-Yen Peter Young, Mehmet Cem Cebenoyan, Yury Y. Uralsky
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Publication number: 20100079471Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: December 7, 2009Publication date: April 1, 2010Applicant: GRAPHICS PROPERTIES HOLDINGS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Patent number: 7526125Abstract: The present invention provides for a method of and apparatus for compressing and uncompressing image data. According to one embodiment of the present invention, the method of compressing a color cell comprises the steps of: defining at least four luminance levels of the color cell; generating a bitmask for the color cell, the bitmask having a plurality of entries each corresponding to a respective one of the pixels, each of the entries for storing data identifying one of the luminance levels associated with a corresponding one of the pixels; calculating a first average color of pixels associated with a first one of the luminance levels; calculating a second average color of pixels associated with a second one of the luminance levels; and storing the bitmask in association with the first average color and the second average color.Type: GrantFiled: February 11, 2008Date of Patent: April 28, 2009Assignee: Silicon Graphics, Inc.Inventors: Robert A. Drebin, David Wang, Christopher J. Migdal
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Patent number: 7518615Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: GrantFiled: July 12, 2000Date of Patent: April 14, 2009Assignee: Silicon Graphics, Inc.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20080297528Abstract: A method and system for performing a texture operation with user-specified offset positions are disclosed. Specifically, one embodiment of the present invention sets forth a method, which includes the steps of deriving a first destined texel position based on an original sample position associated with a pixel projected in a texture map and a first offset position specified by a user and fetching texel attributes at the first destined texel position for the texture operation.Type: ApplicationFiled: May 30, 2007Publication date: December 4, 2008Inventors: Anders M. KUGLER, Alexander L. Minkin, William P. Newhall, JR., Christopher J. Migdal, Pemith R. Fernando, Lup-Yen Peter Young, Mehmet Cem Cebenoyan, Yury Y. Uralsky
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Publication number: 20080284786Abstract: A floating point rasterization and frame buffer in a computer system graphics program. The rasterization, fog, lighting, texturing, blending, and antialiasing processes operate on floating point values. In one embodiment, a 16-bit floating point format consisting of one sign bit, ten mantissa bits, and five exponent bits (s10e5), is used to optimize the range and precision afforded by the 16 available bits of information. In other embodiments, the floating point format can be defined in the manner preferred in order to achieve a desired range and precision of the data stored in the frame buffer. The final floating point values corresponding to pixel attributes are stored in a frame buffer and eventually read and drawn for display. The graphics program can operate directly on the data in the frame buffer without losing any of the desired range and precision of the data.Type: ApplicationFiled: July 7, 2008Publication date: November 20, 2008Applicant: SILICON GRAPHICS, INC.Inventors: John M. Airey, Mark S. Peercy, Robert A. Drebin, John Montrym, David L. Dignam, Christopher J. Migdal, Danny D. Loh
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Publication number: 20080131008Abstract: The present invention provides for a method of and apparatus for compressing and uncompressing image data. According to one embodiment of the present invention, the method of compressing a color cell comprises the steps of: defining at least four luminance levels of the color cell; generating a bitmask for the color cell, the bitmask having a plurality of entries each corresponding to a respective one of the pixels, each of the entries for storing data identifying one of the luminance levels associated with a corresponding one of the pixels; calculating a first average color of pixels associated with a first one of the luminance levels; calculating a second average color of pixels associated with a second one of the luminance levels; and storing the bitmask in association with the first average color and the second average color.Type: ApplicationFiled: February 11, 2008Publication date: June 5, 2008Applicant: Silicon Graphics, Inc.Inventors: Robert A. DREBIN, David (Chi-Shung) Wang, Christopher J. Migdal