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公开(公告)号：US20180218532A1
公开(公告)日：2018-08-02
申请号：US15418557
申请日：2017-01-27
摘要： Improvements in graphics processing pipelines are disclosed. The graphics processing pipeline processes graphics objects in a particular order (application programming interface order—“API order”) as requested by an application or other entity. However, certain components within the graphics processing pipeline, such as the pixel shader stage, may process those objects out of order. A technique is provided herein to allow the pixel shader stage to complete and export processed fragments out of order. The technique includes using a scoreboard to determine whether fragments ready to be exported from a pixel shader stage are the newest fragments in API order. If the fragments are the newest in API order, then the fragments are exported. If the fragments are not the newest in API order, then the fragments are discarded.
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公开(公告)号：US20220012933A1
公开(公告)日：2022-01-13
申请号：US17483678
申请日：2021-09-23
发明人： Skyler Jonathon Saleh , Vineet Goel , Pazhani Pillai , Ruijin Wu , Christopher J. Brennan , Andrew S. Pomianowski
摘要： Techniques for performing shader operations are provided. The techniques include, performing pixel shading at a shading rate defined by pixel shader variable rate shading (“VRS”) data, and updating the pixel VRS data that indicates one or more shading rates for one or more tiles based on whether the tiles of the one or more tiles include triangle edges or do not include triangle edges, to generate updated VRS data.
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公开(公告)号：US12118656B2
公开(公告)日：2024-10-15
申请号：US18304115
申请日：2023-04-20
发明人： Skyler Jonathon Saleh , Vineet Goel , Pazhani Pillai , Ruijin Wu , Christopher J. Brennan , Andrew S. Pomianowski
CPC分类号： G06T15/005 , G06T1/20 , G06T1/60 , G06T2210/52
摘要： Techniques for performing shader operations are provided. The techniques include, performing pixel shading at a shading rate defined by pixel shader variable rate shading (“VRS”) data, and updating the pixel VRS data that indicates one or more shading rates for one or more tiles based on whether the tiles of the one or more tiles include triangle edges or do not include triangle edges, to generate updated VRS data.
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公开(公告)号：US11978234B2
公开(公告)日：2024-05-07
申请号：US17135978
申请日：2020-12-28
摘要： A method and apparatus for processing color data includes storing fragment pointer and color data together in a color buffer. A delta color compression (DCC) key indicating the color data to fetch for processing is stored, and the fragment pointer and color data is fetched based upon the read DCC key for decompression.
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公开(公告)号：US20220414939A1
公开(公告)日：2022-12-29
申请号：US17361140
申请日：2021-06-28
摘要： A disclosed technique includes reading, from a compressed render target, a set of unique color values for a coarse pixel, wherein the coarse pixel includes multiple render target pixels; reading, from the compressed render target, pointers to the unique color values for the coarse pixel; and generating colors for the multiple render target pixels based on the unique color values and the pointers.
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公开(公告)号：US11158106B2
公开(公告)日：2021-10-26
申请号：US16723969
申请日：2019-12-20
发明人： Skyler Jonathon Saleh , Vineet Goel , Pazhani Pillai , Ruijin Wu , Christopher J. Brennan , Andrew S. Pomianowski
摘要： Techniques for performing shader operations are provided. The techniques include, performing pixel shading at a shading rate defined by pixel shader variable rate shading (“VRS”) data, updating the pixel VRS data that indicates one or more shading rates for one or more tiles based on whether the tiles of the one or more tiles include triangle edges or do not include triangle edges, to generate updated VRS data, and writing a VRS rate feedback buffer based on the updated VRS data.
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公开(公告)号：US11062680B2
公开(公告)日：2021-07-13
申请号：US16227588
申请日：2018-12-20
摘要： Systems, apparatuses, and methods for implementing raster order view enforcement techniques are disclosed. A processor includes a plurality of compute units coupled to one or more memories. A plurality of waves are launched in parallel for execution on the plurality of compute units, where each wave comprises a plurality of threads. A dependency chain is generated for each wave of the plurality of waves. The compute units wait for all older waves to complete dependency chain generation prior to executing any threads with dependencies. Responsive to all older waves completing dependency chain generation, a given thread with a dependency is executed only if all other threads upon which the given thread is dependent have become inactive. When executed, the plurality of waves generate a plurality of pixels to be driven to a display.
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公开(公告)号：US20230252713A1
公开(公告)日：2023-08-10
申请号：US18304115
申请日：2023-04-20
发明人： Skyler Jonathon Saleh , Vineet Goel , Pazhani Pillai , Ruijin Wu , Christopher J. Brennan , Andrew S. Pomianowski
CPC分类号： G06T15/005 , G06T1/20 , G06T1/60 , G06T2210/52
摘要： Techniques for performing shader operations are provided. The techniques include, performing pixel shading at a shading rate defined by pixel shader variable rate shading (“VRS”) data, and updating the pixel VRS data that indicates one or more shading rates for one or more tiles based on whether the tiles of the one or more tiles include triangle edges or do not include triangle edges, to generate updated VRS data.
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公开(公告)号：US11657560B2
公开(公告)日：2023-05-23
申请号：US17483678
申请日：2021-09-23
发明人： Skyler Jonathon Saleh , Vineet Goel , Pazhani Pillai , Ruijin Wu , Christopher J. Brennan , Andrew S. Pomianowski
CPC分类号： G06T15/005 , G06T1/20 , G06T1/60 , G06T2210/52
摘要： Techniques for performing shader operations are provided. The techniques include, performing pixel shading at a shading rate defined by pixel shader variable rate shading (“VRS”) data, and updating the pixel VRS data that indicates one or more shading rates for one or more tiles based on whether the tiles of the one or more tiles include triangle edges or do not include triangle edges, to generate updated VRS data.
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公开(公告)号：US11257273B2
公开(公告)日：2022-02-22
申请号：US16720310
申请日：2019-12-19
摘要： Techniques for processing pixel data are provided. The techniques include, in a first mode in which blending is enabled, reading in render target color data from a memory system; blending the render target color data with one or more fragments received from a pixel shader stage to generate blended color data; outputting the blended color data to the memory system utilizing a first amount of bandwidth; in a second mode in which blending is disabled and variable rate shading is enabled, amplifying shaded coarse fragments received from the pixel shader stage to generate fine fragments; and outputting the fine fragments to the memory system utilizing a second amount of bandwidth that is higher than the first amount of bandwidth.
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