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1. 发明授权

US08243069B1 Late Z testing for multiple render targets 有权
标题翻译： Late Z测试用于多个渲染目标
公开(公告)号：US08243069B1
公开(公告)日：2012-08-14
申请号：US11934051
申请日：2007-11-01
申请人： Mark J. French , Phillip Keslin , Steven E Molnar , Adam Clark Weitkemper
发明人： Mark J. French , Phillip Keslin , Steven E Molnar , Adam Clark Weitkemper
IPC分类号： G06T15/40 , G09G5/36 , G09G5/37
CPC分类号： G06T15/40
摘要： The current invention involves new systems and methods for computing per-sample post-z test coverage when the memory is organized in multiple partitions that may not match the number of shaders. Shaded pixels output by the shaders can be processed by one of several z raster operations units. The shading processing capability can be configured independent of the number of memory partitions and number of z raster operations units. The current invention also involves new systems and method for using different z test modes with multiple render targets with a single or multiple memory partitions. Rendering performance may be improved by using an early z testing mode is used to eliminate non-visible samples prior to shading.
摘要翻译：当本发明涉及当将存储器组织在可能不匹配着色器数量的多个分区中时，用于计算每个样本后z测试覆盖的新系统和方法。着色器输出的阴影像素可以由几个z光栅操作单元之一处理。可以独立于存储器分区的数量和z个光栅操作单元的数量来配置着色处理能力。本发明还涉及使用具有单个或多个存储器分区的具有多个渲染目标的不同z测试模式的新系统和方法。渲染性能可以通过使用早期z测试模式来改善，用于在阴影之前消除不可见样本。

2. 发明授权

US08232991B1 Z-test result reconciliation with multiple partitions 有权
标题翻译： Z检验结果与多个分区进行协调
公开(公告)号：US08232991B1
公开(公告)日：2012-07-31
申请号：US11934042
申请日：2007-11-01
申请人： Mark J. French , Phillip Keslin , Steven E Molnar , Adam Clark Weitkemper
发明人： Mark J. French , Phillip Keslin , Steven E Molnar , Adam Clark Weitkemper
IPC分类号： G06T15/40 , G09G5/36 , G09G5/37
CPC分类号： G06T15/40
摘要： The current invention involves new systems and methods for computing per-sample post-z test coverage when the memory is organized in multiple partitions that may not match the number of shaders. Shaded pixels output by the shaders can be processed by one of several z raster operations units. The shading processing capability can be configured independent of the number of memory partitions and number of z raster operations units. The current invention also involves new systems and method for using different z test modes with multiple render targets with a single or multiple memory partitions. Rendering performance may be improved by using an early z testing mode is used to eliminate non-visible samples prior to shading.
摘要翻译：当本发明涉及当将存储器组织在可能不匹配着色器数量的多个分区中时，用于计算每个样本后z测试覆盖的新系统和方法。着色器输出的阴影像素可以由几个z光栅操作单元之一处理。可以独立于存储器分区的数量和z光栅操作单元的数量来配置着色处理能力。本发明还涉及使用具有单个或多个存储器分区的具有多个渲染目标的不同z测试模式的新系统和方法。渲染性能可以通过使用早期z测试模式来改善，用于在阴影之前消除不可见样本。

3. 发明授权

US08228328B1 Early Z testing for multiple render targets 有权
标题翻译：早期Z测试为多个渲染目标
公开(公告)号：US08228328B1
公开(公告)日：2012-07-24
申请号：US11934046
申请日：2007-11-01
申请人： Mark J. French , Phillip Keslin , Steven E Molnar , Adam Clark Weitkemper
发明人： Mark J. French , Phillip Keslin , Steven E Molnar , Adam Clark Weitkemper
IPC分类号： G06T15/40 , G09G5/36 , G09G5/37
CPC分类号： G06T15/40
摘要： The current invention involves new systems and methods for computing per-sample post-z test coverage when the memory is organized in multiple partitions that may not match the number of shaders. Shaded pixels output by the shaders can be processed by one of several z raster operations units. The shading processing capability can be configured independent of the number of memory partitions and number of z raster operations units. The current invention also involves new systems and method for using different z test modes with multiple render targets with a single or multiple memory partitions. Rendering performance may be improved by using an early z testing mode is used to eliminate non-visible samples prior to shading.
摘要翻译：当本发明涉及当将存储器组织在可能不匹配着色器数量的多个分区中时，用于计算每个样本后z测试覆盖的新系统和方法。着色器输出的阴影像素可以由几个z光栅操作单元之一处理。可以独立于存储器分区的数量和z光栅操作单元的数量来配置着色处理能力。本发明还涉及使用具有单个或多个存储器分区的具有多个渲染目标的不同z测试模式的新系统和方法。渲染性能可以通过使用早期z测试模式来改善，用于在阴影之前消除不可见样本。

4. 发明授权

US08233004B1 Color-compression using automatic reduction of multi-sampled pixels 有权
标题翻译：使用自动缩小多采样像素进行色彩压缩
公开(公告)号：US08233004B1
公开(公告)日：2012-07-31
申请号：US11557068
申请日：2006-11-06
申请人： Steven E Molnar , Daniel P. Wilde , Mark J. French , Robert J. Stoll
发明人： Steven E Molnar , Daniel P. Wilde , Mark J. French , Robert J. Stoll
IPC分类号： G09G5/00
CPC分类号： G06T15/005 , G06T9/00 , G06T11/40 , G09G5/363 , G09G2340/02
摘要： One embodiment of the present invention sets forth a technique for improving graphics rendering efficiency by processing pixels in a compressed format whenever possible within a multi-sampling graphics pipeline. Each geometric primitive is rasterized into fragments, corresponding to screen space pixels covered at least partially by the geometric primitive. Fragment coverage represents the pixel area covered by the geometric primitive and determines the weighted contribution of a fragment color to the corresponding screen space pixel. Samples associated with a given fragment are called sibling samples and have the same color value. The property of sibling samples having the same color value is exploited to compress and process multiple samples, thereby reducing the size of the associated logic and the amount of data written to and read from the frame buffer.
摘要翻译：本发明的一个实施例提出了一种通过在多采样图形流水线内尽可能处理压缩格式的像素来提高图形渲染效率的技术。每个几何图元被光栅化成片段，对应于至少部分地被几何原始图案覆盖的屏幕空间像素。片段覆盖表示由几何图元覆盖的像素区域，并确定片段颜色对相应屏幕空间像素的加权贡献。与给定片段相关联的样本称为兄弟样本，并具有相同的颜色值。利用具有相同颜色值的兄弟样本的属性来压缩和处理多个样本，从而减小相关逻辑的大小以及写入和从帧缓冲器读取的数据量。

5. 发明授权

US07692659B1 Color-compression using automatic reduction of multi-sampled pixels 有权
标题翻译：使用自动缩小多采样像素进行色彩压缩
公开(公告)号：US07692659B1
公开(公告)日：2010-04-06
申请号：US11557076
申请日：2006-11-06
申请人： Steven E Molnar , Daniel P. Wilde , Mark J. French , Robert J. Stoll
发明人： Steven E Molnar , Daniel P. Wilde , Mark J. French , Robert J. Stoll
IPC分类号： G06T15/60 , G09G5/36 , G06T9/00 , G09G5/02 , G06K9/00 , G06K9/40 , G06K9/54
CPC分类号： G06T15/005 , G06T9/00
摘要： One embodiment of the present invention sets forth a technique for improving graphics rendering efficiency by processing pixels in a compressed format whenever possible within a multi-sampling graphics pipeline. Each geometric primitive is rasterized into fragments, corresponding to screen space pixels covered at least partially by the geometric primitive. Fragment coverage represents the pixel area covered by the geometric primitive and determines the weighted contribution of a fragment color to the corresponding screen space pixel. Samples associated with a given fragment are called sibling samples and have the same color value. The property of sibling samples having the same color value is exploited to compress and process multiple samples, thereby reducing the size of the associated logic and the amount of data written to and read from the frame buffer.
摘要翻译：本发明的一个实施例提出了一种通过在多采样图形流水线内尽可能处理压缩格式的像素来提高图形渲染效率的技术。每个几何图元被光栅化成片段，对应于至少部分地被几何原始图案覆盖的屏幕空间像素。片段覆盖表示由几何图元覆盖的像素区域，并确定片段颜色对相应屏幕空间像素的加权贡献。与给定片段相关联的样本称为兄弟样本，并具有相同的颜色值。利用具有相同颜色值的兄弟样本的属性来压缩和处理多个样本，从而减小相关逻辑的大小以及写入和从帧缓冲器读取的数据量。

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