Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 1 of 14
`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 1 of 14
`
`EXHIBIT 8
`EXHIBIT 8
`
`

`

`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 2 of 14
`UNITED STATES p A TENT AND TRADEMARK OFFICE
`
`UNITED STATES DEPARTMENT OF COMMERCE
`United States Patent and Trademark Office
`Address: COMMISSIONER FOR PA TENTS
`P.O. Box 1450
`Alexandria, Virginia 22313-1450
`www.uspto.gov
`
`APPLICATION NO.
`
`FILING DATE
`
`FIRST NAMED INVENTOR
`
`ATTORNEY DOCKET NO.
`
`CONFIRMATION NO.
`
`10/459,797
`
`06/12/2003
`
`Mark M. Leather
`
`00l00.02.0053
`
`4148
`
`08/28/2007
`7590
`29153
`ADVANCED MICRO DEVICES, INC.
`C/0 VEDDER PRICE KAUFMAN & KAMMHOLZ, P.C.
`222 N .LASALLE STREET
`CHICAGO, IL 6060 I
`
`EXAMINER
`
`HSU,JONI
`
`ART UNIT
`
`PAPER NUMBER
`
`2628
`
`MAIL DATE
`
`DELIVERY MODE
`
`08/28/2007
`
`PAPER
`
`Please find below and/or attached an Office communication concerning this application or proceeding.
`
`The time period for reply, if any, is set in the attached communication.
`
`PTOL-90A (Rev. 04/07)
`
`AST0000700
`
`

`

`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 3 of 14
`Application No.
`Applicant(s)
`
`Office Action Summary
`
`10/459,797
`
`Examiner
`
`LEATHER ET AL. -
`
`Art Unit
`
`2628
`Joni Hsu
`-- The MAILING DA TE of this communication appears on the cover sheet with the correspondence address -
`Period for Reply
`
`A SHORTENED STATUTORY PERIOD FOR REPLY IS SET TO EXPIRE ;1 MONTH(S) OR THIRTY (30) DAYS,
`WHICHEVER IS LONGER, FROM THE MAILING DATE OF THIS COMMUNICATION.
`- Extensions of time may be available under the provisions of 37 CFR 1.136(a). In no event, however, may a reply be timely filed
`after SIX (6) MONTHS from the mailing date of this communication.
`If NO period for reply is specified above, the maximum statutory period will apply and will expire SIX (6) MONTHS from the mailing date of this communication.
`-
`- Failure to reply within the set or extended period for reply will, by statute, cause the application to become ABANDONED (35 U.S.C. § 133).
`Any reply.received by the Office later than three months after the mailing date of this communication, even if timely filed, may reduce any
`earned patent term adjustment. See 37 CFR 1.704(b).
`
`Status
`
`1)[gl Responsive to communication(s) filed on June 7, 2007.
`2a)O This action is FINAL.
`2b)[gl This action is non-final.
`3)0 Since this application is in condition for allowance except for formal matters, prosecution as to the merits is
`closed in accordance with the practice under Ex parte Quayle, 1935 C.D. 11,453 O.G. 213.
`
`Disposition of Claims
`
`4){gl Claim(s) 1-7, 10-22,24 and 25 is/are pending in the application.
`4a) Of the above claim(s) __ is/are withdrawn from consideration.
`5)0 Claim(s) __ is/are allowed.
`6){gl Claim(s) 1-7, 10-22.24 and 25 is/are rejected.
`7)0 Claim(s) __ is/are objected to.
`8)0 Claim(s) __ are subject to restriction and/or election requirement.
`
`Application Papers
`
`9}0 The specification is objected to by the Examiner.
`10)0 The drawing(s) filed on __ is/are: a)O accepted or b)O objected to by the Examiner.
`Applicant may not request that any objection to the drawing(s} be held in abeyance. See 37 CFR 1.85(a).
`Replacement drawing sheet(s) including the correction is required if the drawing(s) is objected to. See 37 CFR 1.121 (d).
`11}0 The oath or declaration is objected to by the Examiner. Note the attached Office Action or form PTO-152.
`
`Priority under 35 U.S.C. § 119
`12)0 Acknowledgmentis made of a claim for foreign priority under 35 U.S.C. § 119(a)-(d) or (f).
`a)O All b)O Some * c)O None of:
`1.0 Certified copies of the priority documents have been received.
`2.0 Certified copies of the priority documents have been received in Application No. __ .
`3.0 Copies of t~e certified copies of the priority documents have been received in this National Stage
`application from the International Bureau (PCT Rule 17.2(a}).
`'
`* See the attached detailed Office action for a list of the certified copies not received.
`
`Attachment{s)
`1) [gl Notice of References Cited (PT0-892)
`2) 0 Notice of Draftsperson's Patent Drawing Review (PT0-948)
`3) [gl Information Disclosure Statement(s) (PTO/SB/08)
`'
`Paper No(s)/Mait Date 7127107.
`
`4) 0 Interview Summary (PT0-413)
`Paper No(s)/Mail Date. __ .
`5) 0 Notice of Informal Patent Application
`6) 0 Other:. __ .
`
`U.S. Patent and Trademark Office
`PTOL-326 (Rev. 08-06)
`
`Office Action Summary
`
`Part of Paper No./Mail Date 6707
`
`AST0000701
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 4 of 14
`
`Application/Control Number: 10/459, 797
`Art Unit: 2628
`
`Page 2
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`DETAILED ACTION
`
`Information Disclosure Statement
`
`1.
`
`The information disclosure statement (IDS) submitted on July 27, 2007 was filed after the
`
`mailing date of the application on June 12, 2003. The submission is in compliance with the
`
`provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being
`
`considered by the examiner.
`
`Response to Arguments
`
`2.
`
`Applicant's arguments, see pages 8-11, filed June 7, 2007, with respect to the claim
`
`objection and the 35 U.S.C. 101 rejections have been fully considered and are persuasive.· The
`
`objection to Claim 25 and the 35 U.S.C. 101 rejections of Claims 20-22 have been withdrawn.
`
`3.
`
`Applicant's arguments with respect to claims 1-7; 10-22, 24, and 25 hav~ been considered
`
`but are moot in view of the new ground(s) ofrejection.
`
`4.
`
`Applicant's arguments, see pages 12-13, filed June 7, 2007, with respect to the
`
`rejection(s) of claim(s) 1-5, 7, 10, 12-16, 18, 20-22, 24, and 25 under 35 U.S.C. 102(b) and
`
`claims 6, 11, 17, and 19 under 35 U.S.C. 103(a) have been fully considered and.are persuasive.
`
`Therefore, the rejection has been withdrawn. However, upon further consideration, a new
`
`ground(s) of rejection is made in view of Perego (US006864896B2).
`
`5.
`
`Applicant argues that Kelleher (US005794016A) does not teach "a memory controller
`
`coupled to the at least two graphics pipelines, operative to transfer pixel data between each of a
`
`- first pipeline and a second pipeline and a memory" (pages 12-13).
`
`In reply, new grounds ofrejection are made in view of Perego.
`
`AST0000702
`
`

`

`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 5 of 14
`
`Application/Control Number: 10/459,797
`Art Unit: 2628
`
`Page 3
`
`6.
`
`As per Claim 25, Applicant argues that Kelleher teaches that each block is square. Since
`
`Kelleher does not teach any blocks that are not square, and therefore does not teach a region that
`
`includes NxM number of pixels (page 14).
`
`· In reply, the Examiner points out that Claim 25 does not recite that N is not equal to M.
`
`Therefore, N can be equal to M. New grounds of rejection are made in view of Perego, which
`
`more clearly teaches Applicant's disclosed invention. Even ifN does not equaf to M, Perego
`
`teaches that each region is rectangular (c. 5, ll. 23-25).
`
`7.
`
`Applicant's arguments filed June 7, 2007 with respect to Claim 24 have been fully
`
`considered but they are not persuasive.
`
`8.
`
`As per Claim 24, Applicant argues that Kelleher discloses multiple processors 20, each of
`
`which may have its own front end circuitry and a scan converter. Kelleher does not disclose a
`
`first and a second scan converter both coupled to the front end circuitry (pages 13-14).
`
`In reply, Examiner disagrees. Kelleher teaches first and second scan converter (update
`
`stage, Fig. 7 in 20A and 20B, Fig. 3) both coupled to front end circuitry 14 (c.8, 11. 32-c. 9, IL 4).
`
`Claim Rejections- 35 USC§ 102
`
`9.
`
`The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the
`
`basis for the rejections under this section made in this Office action:
`
`A person shall be entitled to a patent unless -
`
`( e) the invention was described in ( 1) an application for patent, published under section 122(b ), by another filed
`in the United States before the invention by the applicant for patent or (2) a patent granted on an application for
`patent by another filed in the United States before the invention by the applicant for patent, except that an
`international application filed under the treaty defined in section 35l(a) shall have the effects for purposes of this
`subsection of an application filed in the United States only if the international application designated the United
`States and was published under Article 21(2) of such treaty in the English language.
`
`10.
`
`Claims 1-4, 7, 10, 12, 14, 20-22, and 25 are rejected under 35 U.S.C. IOQ(e) as being
`
`anticipated by Perego (US006864896B2).
`
`AST0000703
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 6 of 14
`
`Application/Control Number: 10/459, 797
`Art Unit: 2628
`
`Page4
`
`11.
`
`As per Claims 1 and 25, Perego teaches graphics processing circuit (300, Fig. 3; Col. 3,
`
`11. 61-63) having at least two graphics pipelines (312) operative to process data in corresponding
`
`set of tiles of repeating tile pattern corresponding to screen locations, respective one of at least
`
`two graphics pipelines operative to process data in a dedicated tile (c. 5, 11. 19-27, 38-44); and
`
`memory controller (310, Fig. 3) in communication with at least two graphics pipelines (312),
`
`operative to transfer pixel data between each of first pipeline and second pipeline and shared
`
`memories (314) ( c. 3, 11. 65-67; c. 4, 11. 1-10, 48-65). The shared memories (314) are each part
`
`of the main memory (c. 1, 11. 44-54; c. 3, 11. 3-6), and therefore are considered to be one memory.
`
`The repeating tile pattern includes a horizontally and vertically repeating pattern of regions of
`
`square regions, as shown in Fig. 5 (c. 5, 11. 19-27, 38-44).
`
`12.
`
`As per Claim 2, Perego discloses that the square regions comprise a two· dimensional
`
`partitioning of memory (c. 5, 11. 19-33).
`
`13.
`
`14.
`
`As per Claim 3, Perego discloses that the memory is a frame buffer (c. 5, 11. 32-33).
`
`As per Claim 4, Perego discloses that each of at least two graphics pipelines includes
`
`front end circuitry (308, Fig. 3) operative to generate pixel data corresponding to primitive to be
`
`rendered, and back end circuitry (312), coupled to front end circuitry, operative to receive and
`
`process a portion of pixel data (c. 3, 11. 64-c. 4, 11. 2; c. 5, 11. 19-44). In order for the front end
`
`circuitry (308) to generate pixel data, it must inherently receive vertex data.
`
`15.
`
`As per Claim 7, Perego teaches the at least two graphics pipelines (312, Fig. 3) separately
`
`receive the pixel data from the front end circuitry (308) (c. 3, 11. 64~c. 4, 11. 2; c. 5, 11. 19-44).
`
`AST0000704
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 7 of 14
`
`Application/Control Number: 10/459, 797
`Art Unit 2628
`
`Page 5
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`16.
`
`As per Claim 10, Perego discloses that a first of the at least two graphics pipelines (first
`
`rendering engine of 312, Fig. 3) processes the pixel data only in a first set of tiles (tiles labeled
`
`"RE0" in Fig. 5) in the repeating tile pattern (c. 5, 11. 23-44).
`
`17.
`
`As per Claim 12, Perego discloses that a second of the at least two graphics pipelines
`
`(second rendering engine of 312, Fig. 3) processes the pixel data only in a second set of tiles
`
`(tiles labeled "REI" in Fig. 5) in the repeating tile pattern (c. 5, 11. 23-44).
`
`18.
`
`As per Claim 14, Claim 14 is similar to Claims 4 and 10, except that Claim 14 is for a
`
`third and fourth graphics pipeline. Perego teaches four graphics pipelines (c. 5,.11. 41-44). So
`
`Claim 14 is rejected under the same rationale as Claims 4 and 10.
`
`19.
`
`As per Claim 20, Perego teaches a graphics processing method, comprising generating
`
`· pixel data ( c. 5, 11. 19-25), which is inherently generated in response to received vertex data;
`
`determining pixels within set of tiles of a repeating tile pattern corresponding to screen locations
`
`to be processed by a corresponding one of at least two graphics pipelines (312, Fig. 3) in
`
`response to the pixel data, the repeating tile pattern in?luding a horizontally and vertically
`
`repeating pattern of square regions, as shown in Fig. 5; performing pixel operations on the pixels
`
`within the determined set of tiles by the corresponding one of the at least two graphics pipelines
`
`( c. 5, IL 19-44); and transmitting the processed pixels to a memory controller (310), wherein the
`
`at least two graphics pipelines share the memory controller ( c. 3, 11. 65-c. 4, 11. 25; c. 5, 11. 31-44).
`
`20.
`
`As per Claim 21, Perego discloses that determining the pixels within a set of tiles of the
`
`repeating tile pattern to be processed further comprises determining the set of tiles that the
`
`corresponding graphics pipeline is responsible for (c. 5, 11. 19-50).
`
`AST0000705
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`

`

`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 8 of 14
`
`Application/Control Number: 10/459, 797,
`Art Unit: 2628
`
`Page 6
`
`21.
`
`As per Claim 22, Perego teaches determining pixels within set of tiles of repeating tile
`
`pattern to be processed comprises providing position coordinates of pixels with~n determined set
`
`of tiles to be processed to corresponding one of at least two graphics pipelines (c. 5, 11. 19-44).
`
`Thus, it reasonably appears that Perego describes or discloses every element of Claims 1-
`
`4, 7, 10, 12, 14, 20-22, and 25 and therefore anticipates the claims subject.
`
`Claim Rejections - 35 USC§ 103
`
`22.
`
`The text of those sections of Title 35, U.S. Code 103(a) not included in this action can be
`
`· found in a prior Office action.
`
`23.
`
`Claims 5, 18, and 24 are rejected under 35 U.S.C. 103(a) as being unpatentable over
`
`Perego (US006864896B2) in view of Kelleher (US005794016A).
`
`24.
`
`As per Claim 5, Perego is relied upon for the teachings as discussed r~lative to Claim 4.
`
`However, Perego does not explicitly teach that at each of the at least two graphics
`
`pipelines further includes a scan converter, coupled to the back end circuitry, operative to
`
`determine the portion of the pixel data to be processed by the back end circuitry. However,
`
`Kelleher discloses that each of the at least two graphics pipelines (20A, 20B, Fig. 3; c. 3, 11. 22-
`
`23; c. 4, 11. 9-14) further includes a scan converter (update stage, Fig. 7), coupled to the back end
`
`circuitry, operative to determine the portion of the pixel data to be processed by the back end
`
`circuitry(c. 8, 11. 52-61; c. 9, II. 1-23; c. 6, II. 26-28).
`
`It would have been obvious to one of ordinary skill in the art at the time of invention by
`
`applicant to modify the device of Perego so that at each of the at least two graphics pipelines
`
`further includes a scan converter, coupled to the back end circuitry, operative to determine the
`
`portion of the pixel data to be processed by the back end circuitry as suggested by Kelleher
`
`AST0000706
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 9 of 14
`
`Application/Control Number: 10/459,797
`Art Unit: 2628
`
`Page 7
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`because Kelleher suggests that the scan converters are needed in order to define the image data
`
`as an array of pixels by calculating the pixel addresses (c. 9, 11. 1-23), as is well-known in the art.
`
`25.
`
`As per Claim 18, Perego does not teach a bridge operable to transmit vertex data to each
`
`of the first, second, third and fourth graphics pipelines. However, Kelleher discloses a bridge
`
`(38, Fig. 3) operative to transmit vertex data to each of the first (20A), second (20B), third (20C)
`
`and fourth (20N) graphics pipelines (c. 3, 11. 22-23; c. 4, 11. 9-14; c. 8, 11. 56-65; c. 3, 11. 46-50).
`
`It would have been obvious to one of ordinary skill in the art at the time of invention by
`
`applicant to modify Perego to include a bridge operable to transmit vertex data to each of the
`
`first, second, third and fourth graphics pipelines as suggested by Kelleher because Kelleher
`
`suggests the advantage of being able to convert the vertex data to pixel data in parallel, which
`
`increases the efficiency of the graphics system (c. 2, ll. 31-35; c. 8, 11. 56-65; c. 9, ll. 1-23).
`
`26.
`
`As per Claim 24, Perego teaches graphics processing circuit (300, Fig. 3; c. 3, 11. 61-63),
`
`having front end circuitry (308) operative to generate pixel data in response to primitive data for
`
`primitive to be rendered (c. 5, IL 19-23); first back end circuitry (first rendering engine 312),
`
`coupled to front end circuitry 308, operative to process first portion of pixel data (labeled "RE0"
`
`in Fig. 5) in response to position coordinates; set of tiles of repeating tile pattern are to be
`
`processed by first back end circuitry, repeating tile pattern including horizontall_y and vertically
`
`repeating pattern of square regions, as shown in Fig. 5; second back end circuitry (second
`
`rendering engine 312), coupled to front end circuitry 308, operative to process second portion of
`
`pixel data (labeled "REI" in Fig. 5) in response to position coordinates; set of tiles of repeating
`
`tile pattern are to be processed by second back end circuitry (c. 3, ll. 63-c. 4, 11. ~; c. 5, ll. 19-44);
`
`AST0000707
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 10 of 14
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`Application/Control Number: 10/459, 797
`Art Unit: 2628
`
`Page 8
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`and memory controller (310), coupled to first and second back end circuitry (312) operative to
`
`transmit and receive processed pixel data (c. 3, 11. 65-67; c. 4, 11. 1-53; c. 5, IL 32-44).
`
`However, Perego does not explicitly teach a first scan converter and a second scan
`
`converter. Howeve_r, Kelleher discloses a first scan converter, coupled between the front end
`
`circuitry (14, Fig. 3) and the first back end circuitry (update stage, Fig. 7 in 20A, Fig. 3),
`
`operative to determine which set of tiles of a repeating tile pattern are to be proGessed by the first
`
`back end circuitry (c. 3, lL 22-23; c. 8, ll. 33-c. 9, 11. 23), and operative to provide the position
`
`coordinates to the first back end circuitry in response to the pixel data (c. 4, lL 60-62; c. 8, IL 52-
`
`65; c. 6, 11. 36-38); a second scan converter, coupled between the front end circuitry and the
`
`second back end circuitry (update stage, Fig. 7 in 20B, Fig. 3), operative to determine which set
`
`of tiles of the repeating tile pattern are to be processed by the second back end circuitry, and
`
`operative to provide the position coordinates to the second back end circuitry in response to the
`
`pixel data (c. 3, IL 22-23; C. 8, 11. 33-c. 9, 11. 23; C. 4, 11. 60-62; C. 8, 11. 52-65; C. 6, 11. 36-38).
`
`This would be obvious for the same reasons given in the rejection for Claim 5. ·
`
`27.
`
`Claims 6 and 17 are rejected under 35 U.S.C. 103(a) as being unpatentable over Perego
`
`(US006864896B2) in view of Furtner (US006778 l 77B 1 ).
`
`28.
`
`As per Claim 6, Perego is relied upon for the teachings as discussed relative to Claim 1.
`
`However, Perego does not explicitly teach that each tile of the set of tiles further
`
`comprises a 16xl6 pixel array. However, Furtner describes that each tile of the set of tiles
`
`further comprises a 16x16 pixel array (c. 11, IL 45-48, 64-65).
`
`It would have been obvious to one of ordinary skill in the art at the time of invention by
`
`applicant to modify the device of Perego so that each tile of the set of tiles furtlier comprises a
`
`AST0000708
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 11 of 14
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`Application/Control Number: 10/459,797
`Art Unit: 2628
`
`Page 9
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`16xl6 pixel array as suggested by Furtner because Furtner suggests that depending on the
`
`number of parallel image-rendering pipelines and depending on the memory organization, the
`
`optimum tile size and shape can be selected (c. 11, ll. 45-48, 64-65), and therefore it would be
`
`obvious to modify the tile size to be 16xl6 pixels if that would be the optimum tile size for a
`
`particular number of parallel image-rendering pipelines and particular memory organization.
`
`29.
`
`As per Claim 17, Perego does not teach 3rd and 4th graphics pipelines are on separate
`
`chips. However, Furtner teaches 3rd and 4th pipelines are on separate chips (c. 6, 11. 47-51).
`
`It would have been obvious to one of ordinary skill in the art at the time of invention by
`
`applicant to modify the device of Perego so that pipelines are on separate chips as suggested by
`
`Furtner because Furtner suggests that this makes the system more configurable by being able to
`
`easily add more graphics pipelines to increase the performance ( c. 6, 11. 29-30, 42-51 ).
`
`30.
`
`Claims 11, 13, 15, and 16 are rejected under 35 U.S.C. 103(a) as being unpatentable over
`
`Perego (US006864896B2) in view of Kelleher (US005794016A), further in view of Hamburg
`
`(US005905506A).
`
`Perego is relied upon for the teachings as discussed relative to Claim 10:
`
`However, Perego does not explicitly teach a scan converter. However, Kelleher discloses
`
`that the first of the at least two graphics pipelines (20A, Fig. 3; c. 3, 11. 22-23; c. 4, ll. 9-14)
`
`further includes a scan converter (84, Fig. 7), coupled to the front end circuitry (80, 82) and the
`
`back end circuitry (c. 8, 11. 52-c. 9, 11. 23). The scan converter determines whic]:l groups of
`
`blocks 52 within the graphics memory 22 are allocated to and controlled by the graphics
`
`pipelines (c. 8, 11. 52-65; c. 6, 11. 26-28). The graphics memory is partitioned into a plurality of
`
`pixel blocks that are tiled in the x-and y-direction of the graphics memory (c. 4; IL 60-62).
`
`.
`AST0000709
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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 12 of 14
`
`Application/Control Number: 10/459,797
`Art Unit: 2628
`
`Page 10
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`Therefore, the scan converter is inherently operative to provide memory addresses or position
`
`coordinates of the pixels within the first set of tiles to be processed by the back end circuitry.
`
`This would be obvious for the same reasons given in the rejection for Claim 5.
`
`However, Perego and Kelleher do not explicitly teach using tile identification data to
`
`indicate which tiles are to be processed. However, Hamburg discloses a pixel identification line
`
`for receiving tile identification data indicating which tiles are to be processed (c. 5, 11. 35-52).
`
`It would have been obvious to one of ordinary skill in the art at the time of invention by
`
`applicant to modify the devices of Perego and Kelleher to include using tile identification data to
`
`indicate which tiles are to be processed as suggested by Hamburg because Hamburg suggests the
`
`advantage of using tile identification data to easily track the storage locations of the tile pixel
`
`data and being able to easily retrieve data for a particu~ar image tile ( c. 1, 11. 46-54).
`
`31.
`
`Claim 19 is rejected under 35 U.S.C. 103(a) as being unpatentable over Perego
`
`(US006864896B2) and Furtner (US006778177B1) in view of Kent (US 20030164830Al).
`
`Perego and Furtner are relied upon for the teachings discussed relative to Claim 17.
`
`Perego teaches data includes a polygon (c. 5, 11. 19-23). Furtner teaches third and fourth graphics
`
`pipelines are on separate chips (c. 6, 11. 47-51), as discussed in the rejection for Claim 17.
`
`However, Perego and Further do not teach creating a bounding box around the polygon
`
`and each corner of the bounding box is checked against a super tile that belongs to each separate
`
`chip and wherein if the bounding box does not overlap any of the super tiles associated with a
`
`separate chip, then the processing circuit rejects the whole polygon and processes a next one.
`
`However, Kent discloses that the graphics pipeline {0006] calculates the bounding box of the
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`. primitive and testing this against the VisRect. If the bounding box of the primitive is contained
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`AST0000710
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`

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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 13 of 14
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`Application/Control Number: 10/459,797
`Art Unit: 2628
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`Page 11
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`in the other PlO's super tile the primitive is discarded at this stage [0129]. A primitive can be a
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`f
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`polygon [0088]. The method used is to calculate the distance from each subpixel sample point in
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`the point's bounding box to the point's center and compare this to the point's radius. Subpixel
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`sample points with a distance greater than the radius do not contribute to a pixel's coverage. The
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`cost of this is kept low by only allowing small radius points hence the distance calculation is a
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`small multiply and by taking a cycle per subpixel sample per pixel within the bounding box
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`[0144]. Since the method calculates the distance from each subpixel sample point in the point's
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`bounding box, this must include all the comers of the bounding box. Therefore. Kent discloses
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`that the data includes a polygon and that the graphics pipeline creates a bounding box around the
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`polygon and wherein each comer of the bounding box is checked against a super tile that belongs
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`to the graphics pipeline and wherein if the bounding box does not overlap any of the super tiles,
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`then the processing circuit rejects the whole polygon and processes a next one ..
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`It would have been obvious to one of ordinary skill in the art at the time of invention by
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`applicant to modify the devices of Perego and Furtner to include a bounding box as suggested by
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`Kent because Kent suggests the advantage of processing the super tiles one at a time in order to
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`hide the page break costs [0129, 0051].
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`Conclusion
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`Any inquiry concerning this communication or earlier communications from the
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`examiner should be directed to Joni Hsu whose telephone number is 571-272-7785. The
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`examiner can normally be reached on M-F 8am-5pm.
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`AST0000711
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`Case 6:22-cv-00466-ADA-DTG Document 49-8 Filed 11/28/22 Page 14 of 14
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`Application/Control Number: 10/459,797
`Art Unit: 2628
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`Page 12
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`If attempts to reach the examiner by telephone are unsuccessful, the examiner's
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`supervisor, Ulka Chauhan can be reached on 571-272-7782. The fax phone number for the
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`organization where this application or proceeding is assigned is 571-273-8300.
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`JH
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`al~
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`SUPERVISORY PATliNT EXAMINER
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`AST0000712
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