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Philip J Rogers: Method and apparatus for formatting a texture in a frame buffer. ATI Technologies, Markison & Reckamp P C, November 7, 2000: US06144392 (73 worldwide citation)

A method for formatting a texture in a frame buffer is accomplished by receiving a lock signal from a processor, where the lock signal is associated with the texture. A pointer to a location in the frame buffer is provided in response to the lock signal, whereupon the processor stores the texture in ...


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Steve Stefanidis, Jeffrey G Cheng, Philip J Rogers: Method and apparatus with dynamic graphics surface memory allocation. ATI Technologies ULC, Faegre Baker Daniels, July 3, 2012: US08212832 (21 worldwide citation)

An apparatus and method utilizes system memory as backing stores so that local graphics memory may be oversubscribed. Surfaces may be paged in and out of system memory based on the amount of usage of the surfaces. The apparatus and method also prioritizes surfaces among different tiers of local memo ...


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Philip J Rogers, Xiaoqing Wu: Method and apparatus for accelerating animation in a video graphics system. Azi International, Vedder Price Kaufman & Kammholz, December 18, 2001: US06331854 (19 worldwide citation)

A method and apparatus for accelerating animation in a video graphics system is accomplished by storing drawing operations for a first scene in a bus master buffer. The first scene is to be drawn to a first frame. A frame flip operation is then stored in the bus master buffer at a location subsequen ...


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Philip J Rogers: Method and apparatus for tiling a block of image data. ATI Technologies, Markison & Reckamp PC, May 16, 2000: US06064407 (18 worldwide citation)

A method and apparatus for tiling a block of image data is accomplished by first receiving a set of parameters that describe the block of image data. An address is determined based on the set of parameters, and the address is translated to a corresponding tiled address. In translation, the address i ...


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Philip J Rogers: Infra-red optical systems. Pilkington P E, Mattern Ware Davis & Stoltz, April 22, 1980: US04199217 (17 worldwide citation)

The "eye-piece" for a non-Gallilean afocal infra-red telescope comprises a front element which is meniscus with a convex back surface of greater radius of curvature than its concave front surface but which has a thickness such that it is of positive power, and a back element of positive power with a ...


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Philip J Rogers: Optical apparatus. Pilkington P E, F Eugene Davis IV, July 12, 1983: US04392710 (15 worldwide citation)

Optical apparatus for biocular viewing of relatively low cost and light weight comprises a solid Cassegrain configuration in a solid meniscus element having a negative lens element cemented to its convex face and an associated corrector lens element which provide a magnified collimated image of an o ...


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Philip J Rogers, Jeffrey Gongxian Cheng, Dmitry Semiannikov, Raja Koduri: Multiple video processor unit (VPU) memory mapping. ATI Technologies, Courtney Staniford & Gregory, February 16, 2010: US07663635 (11 worldwide citation)

A system and method for memory mapping in a multiple video processor (multi VPU) system is described. In various embodiments, rendering tasks are shared among multiple VPUs in parallel to provide improved performance and capability with minimal increased cost. In various embodiments, multiple VPUs i ...


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Philip J Rogers: Optical apparatus for superimposing displayed visual information. Pilkington P E, F Eugene Davis IV, September 28, 1993: US05249081 (11 worldwide citation)

This invention is concerned with display apparatus of the Head-Up-Display (H.U.D.) type which finds utility in e.g. fighter aircraft. The invention is concerned with providing an H.U.D. which has a profile depth which is substantially and preferably much less than the diameter of the exit lens. The ...


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Philip J Rogers: Optical apparatus. Pilkington P E, Lahive & Cockfield, June 19, 1990: US04934771 (10 worldwide citation)

Optical viewing apparatus has an obective lens for focussing radiation from a scene or object to form an image on a detector and means for producing a visible display of the image which is viewed through an eye-piece lens. The objective lens is designed to impose a substantial level of barrel distor ...