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公开(公告)号：US11631187B2
公开(公告)日：2023-04-18
申请号：US17031645
申请日：2020-09-24
Applicant: Advanced Micro Devices, Inc. , ATI Technologies ULC
Inventor： Jan Henrik Achrenius , Mika Tuomi , Kiia Kallio , Pazhani Pillai , Laurent Lefebvre
Abstract: Systems, apparatuses, and methods for implementing a depth buffer pre-pass are disclosed. A rendering application uses a binning approach to render primitives of a virtual scene on a tile-by-tile basis, with each tile corresponding to a portion of the screen. The application causes a depth buffer pre-pass to be performed for the primitives of the tile before a pixel shader is invoked. During the depth buffer pre-pass, only the depth part of the virtual scene is rendered to determine which pixel samples are visible and which pixel samples are hidden. Then, the scene is redrawn, but the pixel samples that are hidden are not sent to the pixel shader. In cases where a relatively large percentage of primitives overlap, this technique increases the efficiency of the rendering application since pixel shading can be avoided for the pixel samples that are hidden.
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公开(公告)号：US11308648B2
公开(公告)日：2022-04-19
申请号：US17030048
申请日：2020-09-23
Applicant: ADVANCED MICRO DEVICES, INC. , ATI TECHNOLOGIES ULC
Inventor： Saurabh Sharma , Laurent Lefebvre , Sagar Shankar Bhandare , Ruijin Wu
Abstract: Sampling circuitry independently accesses channels of texture data that represent a set of pixels. One or more processing units separately compress the channels of the texture data and store compressed data representative of the channels of the texture data for the set of pixels. The channels can include a red channel, a blue channel, and a green channel that represent color values of the set of pixels and an alpha channel that represents degrees of transparency of the set of pixels. Storing the compressed data can include writing the compress data to portions of a cache. The processing units can identify a subset of the set of pixels that share a value of a first channel of the plurality of channels and represent the value of the first channel over the subset of the set of pixels using information representing the value, the first channel, and boundaries of the subset.
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公开(公告)号：US20220092801A1
公开(公告)日：2022-03-24
申请号：US17031645
申请日：2020-09-24
Applicant: Advanced Micro Devices, Inc. , ATI Technologies ULC
Inventor： Jan Henrik Achrenius , Mika Tuomi , Kiia Kallio , Pazhani Pillai , Laurent Lefebvre
Abstract: Systems, apparatuses, and methods for implementing a depth buffer pre-pass are disclosed. A rendering application uses a binning approach to render primitives of a virtual scene on a tile-by-tile basis, with each tile corresponding to a portion of the screen. The application causes a depth buffer pre-pass to be performed for the primitives of the tile before a pixel shader is invoked. During the depth buffer pre-pass, only the depth part of the virtual scene is rendered to determine which pixel samples are visible and which pixel samples are hidden. Then, the scene is redrawn, but the pixel samples that are hidden are not sent to the pixel shader. In cases where a relatively large percentage of primitives overlap, this technique increases the efficiency of the rendering application since pixel shading can be avoided for the pixel samples that are hidden.
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公开(公告)号：US20210209831A1
公开(公告)日：2021-07-08
申请号：US17208730
申请日：2021-03-22
Applicant: Advanced Micro Devices, Inc. , ATI Technologies ULC
Inventor： Michael Mantor , Laurent Lefebvre , Mikko Alho , Mika Tuomi , Kiia Kallio
Abstract: A method, system, and non-transitory computer readable storage medium for rasterizing primitives are disclosed. The method, system, and non-transitory computer readable storage medium includes: generating a primitive batch from a sequence of one or more primitives, wherein the primitive batch includes primitives sorted into one or more row groups based on which row of a plurality of rows each primitive intersects; and processing each row group, the processing for each row group including: identifying one or more primitive column intercepts for each of the one or more primitives in the row group, wherein each combination of primitive column intercept and row identifies a bin; and rasterizing the one or more primitives that intersect the bin.
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公开(公告)号：US20210150797A1
公开(公告)日：2021-05-20
申请号：US17008388
申请日：2020-08-31
Applicant: Advanced Micro Devices, Inc. , ATI Technologies ULC
Inventor： Mika Tuomi , Miikka Petteri Kangasluoma , Jan Henrik Achrenius , Laurent Lefebvre
Abstract: Systems, apparatuses, and methods for implementing light volume rendering techniques are disclosed. A processor is coupled to a memory. A processor renders the geometry of a scene into a geometry buffer. For a given light source in the scene, the processor initiates two shader pipeline passes to determine which pixels in the geometry buffer to light. On the first pass, the processor renders a front-side of a light volume corresponding to the light source. Any pixels of the geometry buffer which are in front of the front-side of the light volume are marked as pixels to be discarded. Then, during the second pass, only those pixels which were not marked to be discarded are sent to the pixel shader. This approach helps to reduce the overhead involved in applying a lighting effect to the scene by reducing the amount of work performed by the pixel shader.
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Patent Agency Ranking
公开(公告)号：US10957094B2
公开(公告)日：2021-03-23
申请号：US15250357
申请日：2016-08-29
Applicant: Advanced Micro Devices, Inc. , ATI Technologies ULC
Inventor： Michael Mantor , Laurent Lefebvre , Mikko Alho , Mika Tuomi , Kiia Kallio
Abstract: A system, method and a computer program product are provided for hybrid rendering with deferred primitive batch binning A primitive batch is generated from a sequence of primitives. Initial bin intercepts are identified for primitives in the primitive batch. A bin for processing is identified. The bin corresponds to a region of a screen space. Pixels of the primitives intercepting the identified bin are processed. Next bin intercepts are identified while the primitives intercepting the identified bin are processed.
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公开(公告)号：US20180165872A1
公开(公告)日：2018-06-14
申请号：US15374752
申请日：2016-12-09
Applicant: Advanced Micro Devices, Inc. , ATI Technologies ULC
Inventor： Laurent Lefebvre , Michael Mantor , Mark Fowler , Mikko Alho , Mika Tuomi , Kiia Kallio , Patrick Klas Rudolf Buss , Jari Antero Komppa , Kaj Tuomi , Christopher J. Brennan
CPC classification number: G06T15/405 , G06T11/40 , G06T15/005 , G06T15/80
Abstract: Techniques for removing or identifying overlapping fragments in a fragment stream after z-culling are disclosed. The techniques include maintaining a first-in-first-out buffer that stores post-z-cull fragments. Each time a new fragment is received at the buffer, the screen position of the fragment is checked against all other fragments in the buffer. If the screen position of the fragment matches the screen position of a fragment in the buffer, then the fragment in the buffer is removed or marked as overlapping. If the screen position of the fragment does not match the screen position of any fragment in the buffer, then no modification is performed to fragments already in the buffer. In either case, he fragment is added to the buffer. The contents of the buffer are transmitted to the pixel shader for pixel shading at a later time.
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公开(公告)号：US20140292756A1
公开(公告)日：2014-10-02
申请号：US13853422
申请日：2013-03-29
Applicant: ADVANCED MICRO DEVICES, INC. , ATI TECHNOLOGIES ULC
Inventor： Michael MANTOR , Laurent Lefebvre , Mark Fowler , Timothy Kelley , Mikko Alho , Mika Tuomi , Kallio Kia , Patrick Klas Rudolf Buss , Jari Antero Komppa , Kaj Tuomi
CPC classification number: G06T15/005
Abstract: A system, method and a computer program product are provided for hybrid rendering with deferred primitive batch binning. A primitive batch is generated from a sequence of primitives. Initial bin intercepts are identified for primitives in the primitive batch. A bin for processing is identified. The bin corresponds to a region of a screen space. Pixels of the primitives intercepting the identified bin are processed. Next bin intercepts are identified while the primitives intercepting the identified bin are processed.
Abstract translation: 提供了一种系统，方法和计算机程序产品，用于具有延迟原始批次分组的混合渲染。 从原始序列生成原始批次。 初始批次拦截中的原始字符串标识。 识别用于处理的仓。 该箱对应于屏幕空间的一个区域。 处理识别的仓的图元的像素。 识别旁边的截距，同时处理拦截识别的bin的原语。
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公开(公告)号：US11694367B2
公开(公告)日：2023-07-04
申请号：US17716186
申请日：2022-04-08
Applicant: ADVANCED MICRO DEVICES, INC. , ATI TECHNOLOGIES ULC
Inventor： Saurabh Sharma , Laurent Lefebvre , Sagar Shankar Bhandare , Ruijin Wu
CPC classification number: G06T9/00 , G06T1/60 , G06T2200/04
Abstract: Sampling circuitry independently accesses channels of texture data that represent a set of pixels. One or more processing units separately compress the channels of the texture data and store compressed data representative of the channels of the texture data for the set of pixels. The channels can include a red channel, a blue channel, and a green channel that represent color values of the set of pixels and an alpha channel that represents degrees of transparency of the set of pixels. Storing the compressed data can include writing the compress data to portions of a cache. The processing units can identify a subset of the set of pixels that share a value of a first channel of the plurality of channels and represent the value of the first channel over the subset of the set of pixels using information representing the value, the first channel, and boundaries of the subset.
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公开(公告)号：US20230048839A1
公开(公告)日：2023-02-16
申请号：US17716186
申请日：2022-04-08
Applicant: ADVANCED MICRO DEVICES, INC. , ATI TECHNOLOGIES ULC
Inventor： Saurabh SHARMA , Laurent Lefebvre , Sager Shankar Bhandare , Ruijin Wu
Abstract: Sampling circuitry independently accesses channels of texture data that represent a set of pixels. One or more processing units separately compress the channels of the texture data and store compressed data representative of the channels of the texture data for the set of pixels. The channels can include a red channel, a blue channel, and a green channel that represent color values of the set of pixels and an alpha channel that represents degrees of transparency of the set of pixels. Storing the compressed data can include writing the compress data to portions of a cache. The processing units can identify a subset of the set of pixels that share a value of a first channel of the plurality of channels and represent the value of the first channel over the subset of the set of pixels using information representing the value, the first channel, and boundaries of the subset.
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