KR20010085424A - 지연 쉐이딩을 갖는 그래픽 프로세서 - Google Patents
지연 쉐이딩을 갖는 그래픽 프로세서 Download PDFInfo
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- KR20010085424A KR20010085424A KR1020017002171A KR20017002171A KR20010085424A KR 20010085424 A KR20010085424 A KR 20010085424A KR 1020017002171 A KR1020017002171 A KR 1020017002171A KR 20017002171 A KR20017002171 A KR 20017002171A KR 20010085424 A KR20010085424 A KR 20010085424A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
- G06T15/80—Shading
- G06T15/87—Gouraud shading
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
- G06T15/30—Clipping
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/40—Filling a planar surface by adding surface attributes, e.g. colour or texture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/04—Texture mapping
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
- G06T15/20—Perspective computation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
- G06T15/40—Hidden part removal
- G06T15/405—Hidden part removal using Z-buffer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
- G06T15/80—Shading
- G06T15/83—Phong shading
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- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Computing Systems (AREA)
- Image Generation (AREA)
- Image Processing (AREA)
- Image Input (AREA)
- Processing Or Creating Images (AREA)
- Complex Calculations (AREA)
Abstract
Description
Claims (1)
- 지연 그래픽 파이프라인 프로세서로서,(a) 외부 컴퓨터로부터의 데이터 및/또는 커맨드의 입력을 통신 채널을 통해 전달하고 상기 입력을 일련의 패킷으로 변환하는 커맨드 인출 및 디코드 유닛과,(b) 상기 패킷을 수신하며 좌표 변환, 모든 다각형을 실제 또는 축소의 삼각형으로 분해, 관찰 볼륨 클립핑, 고우러드 쉐이딩에 필요한 옵션적 꼭지점당 라이팅 및 칼라 계산을 수행하는 기하구조 유닛와,(c) 상기 다각형 유닛과 관련되며, 상기 기하구조 유닛으로부터 데이터 스트림을 수신하여 상기 데이터 스트림을 상기 다각형 메모리에 전송되어 기억되는 비꼭지점 데이터와 분류 유닛에 전달된 꼭지점 데이터로 분리하는 모드 추출 및 다각형 메모리와,(d) 상기 분류 유닛과 관련되고, 상기 모드 추출 유닛으로부터 꼭지점을 추출하고 결과로 얻은 점, 선, 삼각형을 타일로 정렬하며 타일당의 순서로 완성 원시 요소를 나타내는 분류 블럭 출력 패킷에 의하여 상기 분료된 기하구조를 셋업 유닛으로 전달하는 분류 유닛 및 분류 메모리와,(e) 상기 분류 블럭 출력 패킷을 수신하여 타일당 단위에 기초해서 선 및 삼각형에 대한 공간 미분을 한 번에 하나의 원시 요소에 대해서 계산하고 상기 공간 미분을 패킷 형태로 컬 유닛에 전달하는 셋업 유닛과,(f) 한 번에 데이터의 하나의 타일 분량을 수신하며, 크기 비교 내용 어드레스 가능한 메모리(MCCAM) 컬 서브 유닛 및 서브 픽셀 컬 서브 유닛을 가진 컬 유닛-상기 MCCAM 컬 서브 유닛은 사전 처리된 기하구조에 의해서 완전히 숨겨진 원시 요소를 버리도록 동작 가능하며, 상기 서브픽셀 컬 서브 유닛은 부분적으로 또는 완전히 가시적인 잔류 원시 요소를 처리하고, 잔류 원시 요소의 가시 프래그먼트를 결정하며, 상기 서브픽셀 컬 서브 유닛는 프래그먼트의 스탬프값을 한 번에 출력한다-와,(g) 상기 컬 유닛으로부터 입력을 수신하고 상기 다각형 메모리로부터의 칼라 및 재질의 성질을 포함하는 모드 정보를 수신하며 상기 모드 정보를 하나 이상의 프래그먼트 유닛, 텍스쳐 유닛, 퐁 유닛, 픽셀 유닛, 후단 유닛에 전달하는 모드 주입 유닛-상기 프래그먼트 유닛, 상기 텍스쳐 유닛, 상기 퐁 유닛, 상기 픽셀 유닛, 상기 후단 유닛의 적어도 일부는 최근에 사용된 모드 정보에 대한 모드 캐시를 포함하고, 상기 모드 주입 유닛은 이미 캐시된 정보를 식별하는 상태 정보를 유지하고 이미 캐시된 정보를 송신하지 않음에 따라 통신 대역폭을 축소한다-와,(h) 고우러드 쉐이딩에 대한 칼라값을 보간하며, 텍스쳐 맵핑용 텍스쳐 좌표와 퐁 쉐이딩용 표면 노말을 보간하고, 텍스쳐를 나타내는 범프 맵이 사용되고 있으면, 표면 탄젠트를 보간하며, 무게 중심 계수를 이용하여 정정된 보간을 수행하는 프래그먼트 유닛과,(i) 상기 텍스쳐 유닛와 관련된 텍스쳐 유닛 및 텍스쳐 메모리-상기 텍스쳐 유닛는 상기 텍스쳐 메모리에 저장된 텍스쳐 맵을 픽셀 프래그먼트에 인가하고, 상기 텍스쳐는 MIP 맵핑되며, 상이한 레벨의 상세로 일련의 텍스쳐 맵을 포함하며,각 맵은 눈 점(eye point)으로부터 소정 거리에서 텍스쳐의 외형을 표현하며, 상기 텍스쳐 유닛은 정확한 상세 레벨에 근접하는 소정의 픽셀 프래그먼트에 대한 텍스쳐 값을 생성하도록 상기 텍스쳐맵으로부터 트라이리니어 보간을 수행하고, 상기 텍스쳐 유닛은 보간된 텍스쳐값을 프래그먼트에 기초해서 상기 퐁 유닛에 전달한다-와,(j) 상기 모드 주입 유닛에 의해 공급된 라이팅 정보 및 재질, 상기 텍스쳐 유닛으로부터의 상기 텍스쳐 칼라, 프래그먼트의 외형 칼라를 결정하기 위해 상기 프래그먼트 유닛에 의해서 생성된 상기 표면 노말을 이용하여 각 픽셀 프래그먼트에 대한 퐁 쉐이딩을 수행하는 퐁 라이팅 유닛-상기 퐁 블럭은 범프 맵핑이 이용되고 있으면 쉐이딩 전 프래그먼트의 표면 노말을 섭동하도록 상기 텍스쳐 유닛로부터의 상기 보간된 높이 필드 변화도를 선택적으로 이용한다-와,(k) 각 프래그먼트가 독립 칼라값을 가지는 가시적 스탬프 부분이라 불리는, 프래그먼트의 하나의 스탬프값을 한 번에 수신하며, 각 픽셀의 각 샘플에 대한 픽셀 소유권 테스트, 시저 테스트, 알파 테스트, 스텐실 연산, 깊이 테스트, 블렌딩, 디더링 및 논리 연산을 수행하고, 완성된 픽셀의 타일값을 누적한 후, 픽셀을 안티에일리어싱하기 위해 각 픽셀내에서 샘플들을 블렌딩하며, 상기 안티에일리어싱된 픽셀을 후단 유닛에 전달하는 픽셀 유닛과,(l) 상기 픽셀 유닛에 결합되어 상기 픽셀 유닛으로부터 픽셀의 타일값을 한 번에 수신하여 상기 픽셀을 프레임 버퍼에 저장하는 상기 후단 유닛을 포함하는 지연 그래픽 파이프라인 프로세서.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US9733698P | 1998-08-20 | 1998-08-20 | |
US60/097,336 | 1998-08-20 | ||
US09/213,990 | 1998-12-17 | ||
US09/213,990 US6771264B1 (en) | 1998-08-20 | 1998-12-17 | Method and apparatus for performing tangent space lighting and bump mapping in a deferred shading graphics processor |
Publications (2)
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KR20010085424A true KR20010085424A (ko) | 2001-09-07 |
KR100478767B1 KR100478767B1 (ko) | 2005-03-24 |
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Application Number | Title | Priority Date | Filing Date |
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KR10-2001-7002171A KR100478767B1 (ko) | 1998-08-20 | 1999-08-20 | 그래픽 렌더링 방법, 컴퓨터 그래픽 파이프라인용 상태 감시 장치 및 3차원 그래픽 렌더링용 계산처리 시스템 |
KR10-2001-7002201A KR100485241B1 (ko) | 1998-08-20 | 1999-08-20 | 개선된 지연 쉐이딩 그래픽 파이프라인 프로세서 |
Family Applications After (1)
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KR10-2001-7002201A KR100485241B1 (ko) | 1998-08-20 | 1999-08-20 | 개선된 지연 쉐이딩 그래픽 파이프라인 프로세서 |
Country Status (6)
Country | Link |
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US (5) | US6771264B1 (ko) |
EP (2) | EP1105844A1 (ko) |
JP (3) | JP3657519B2 (ko) |
KR (2) | KR100478767B1 (ko) |
AU (6) | AU5687899A (ko) |
WO (6) | WO2000019377A1 (ko) |
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