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1. 发明授权

US06989840B1 Order-independent transparency rendering system and method 有权
标题翻译：与订单无关的透明度渲染系统和方法
公开(公告)号：US06989840B1
公开(公告)日：2006-01-24
申请号：US09944988
申请日：2001-08-31
申请人： Cass W. Everitt , Rui M. Bastos , Mark J. Kilgard
发明人： Cass W. Everitt , Rui M. Bastos , Mark J. Kilgard
IPC分类号： G09G5/02
CPC分类号： G06T15/503 , G06T15/04
摘要： A system, method and computer program product are provided for transparency rendering in a graphics pipeline. Initially, colored-transparency information is collected from a plurality of depth layers (i.e. colored-transparency layers, etc.) in a scene to be rendered. The collected colored-transparency information is then stored in memory. The colored-transparency information from the depth layers may then be blended in a predetermined order.
摘要翻译：提供了一种系统，方法和计算机程序产品，用于在图形管线中进行透明度渲染。首先，从要呈现的场景中的多个深层（即彩色透明层等）收集彩色透明度信息。然后将收集的彩色透明度信息存储在存储器中。然后可以以预定顺序混合来自深层的着色透明度信息。

2. 发明授权

US07528843B1 Dynamic texture fetch cancellation 有权
标题翻译：动态纹理提取取消
公开(公告)号：US07528843B1
公开(公告)日：2009-05-05
申请号：US11203550
申请日：2005-08-12
申请人： Mark J. Kilgard , Rui M. Bastos , Johnny S. Rhoades , Cass W. Everitt , Wei-Chao Chen
发明人： Mark J. Kilgard , Rui M. Bastos , Johnny S. Rhoades , Cass W. Everitt , Wei-Chao Chen
IPC分类号： G09G5/00 , G06T15/40 , G06T11/40 , G06F9/44 , G06F9/45
CPC分类号： G06T15/005 , G09G5/363 , G09G5/393 , G09G5/395 , G09G2360/121
摘要： Systems and methods for dynamically canceling texture fetches may improve texture mapping performance. A shader program compiler inserts condition code writes and condition code comparison operations for shader program instructions that contribute to a texture read instruction and do not need to be executed if certain conditions are met. During execution of the shader program, the inserted condition codes are used to compute a dynamic writemask that indicates if the texture data resulting from the texture read is unnecessary. The dynamic writemask is used to cancel unnecessary texture fetches during execution of the shader program.
摘要翻译：用于动态取消纹理提取的系统和方法可以提高纹理映射性能。着色器程序编译器为有助于纹理读取指令的着色器程序指令插入条件代码写入和条件代码比较操作，并且在满足某些条件时不需要执行。在执行着色器程序期间，插入的条件代码用于计算动态写入掩码，指示纹理读取产生的纹理数据是否不必要。动态写入掩码用于在着色器程序执行期间取消不必要的纹理提取。

3. 发明授权

US06744433B1 System and method for using and collecting information from a plurality of depth layers 有权
标题翻译：用于使用和收集来自多个深层的信息的系统和方法
公开(公告)号：US06744433B1
公开(公告)日：2004-06-01
申请号：US09945444
申请日：2001-08-31
申请人： Rui M. Bastos , Cass W. Everitt , Mark J. Kilgard
发明人： Rui M. Bastos , Cass W. Everitt , Mark J. Kilgard
IPC分类号： G06T1540
CPC分类号： G06T15/40
摘要： A system and method are provided for using information from at least one depth layer and for collecting information about at least one additional depth layer utilizing a graphics pipeline. Initially, constraining depth layers are provided which, in turn, define a plurality of depth constraints. Next, a plurality of tests is performed involving the constraining depth layers for collecting information about at least one additional depth layer. The information relating to the at least one depth layer may then be used to improve processing in the graphics pipeline. By the foregoing multiple tests, information relating to a plurality of depth layers may be collected during each of a plurality of rendering passes. Initially, information relating to the constraining depth layers and associated depth constraints is provided in the aforementioned manner. Thereafter, information relating to at least one additional depth layer is collected during additional rendering passes using multiple tests on each rendering pass. Once collected, such information relating to the constraining depth layers and the information relating to the at least one additional depth layer may be used to further improve processing in the graphics pipeline.
摘要翻译：提供了一种用于使用来自至少一个深度层的信息并且利用图形管线收集关于至少一个附加深度层的信息的系统和方法。最初，提供约束深度层，其又限定多个深度约束。接下来，执行涉及用于收集关于至少一个附加深度层的信息的约束深度层的多个测试。然后可以使用与至少一个深度层有关的信息来改善图形流水线中的处理。通过上述多个测试，可以在多个渲染遍历中的每一个期间收集与多个深度层有关的信息。最初，以上述方式提供与约束深度层和相关联的深度约束有关的信息。此后，在另外的渲染过程中，通过对每个渲染过程进行多次测试来收集与至少一个附加深度层相关的信息。一旦收集，可以使用与限制深度层有关的这种信息和与至少一个附加深度层相关的信息来进一步改进图形流水线中的处理。

4. 发明授权

US06704025B1 System and method for dual-depth shadow-mapping 有权
标题翻译：双重影像映射的系统和方法
公开(公告)号：US06704025B1
公开(公告)日：2004-03-09
申请号：US09944990
申请日：2001-08-31
申请人： Rui M. Bastos , Cass W. Everitt , Mark J. Kilgard
发明人： Rui M. Bastos , Cass W. Everitt , Mark J. Kilgard
IPC分类号： G09G502
CPC分类号： G06T15/60
摘要： A system and method are provided for improved shadow mapping in a graphics pipeline. Raw depth values are initially collected from two depth layers in a scene to be rendered. Shadow-map depth values are then calculated utilizing the raw depth values. The scene is then shadow mapped utilizing the shadow-map depth values in order to improve the appearance of shadows in a rendered scene. The various steps are carried out by a hardware-implemented graphics pipeline, which may include texturing or shadowing mapping hardware.
摘要翻译：提供了一种用于在图形管线中改进阴影映射的系统和方法。原始深度值最初从要呈现的场景中的两个深度层收集。然后使用原始深度值计算阴影图深度值。然后使用阴影映射深度值对场景进行阴影映射，以改善渲染场景中阴影的出现。各种步骤由硬件实现的图形管线执行，其可以包括纹理或阴影映射硬件。

5. 发明授权

US09208605B1 Temporal antialiasing in a multisampling graphics pipeline 有权
标题翻译：多采样图形管道中的时间抗锯齿
公开(公告)号：US09208605B1
公开(公告)日：2015-12-08
申请号：US12237605
申请日：2008-09-25
申请人： Cass W. Everitt , Rui M. Bastos
发明人： Cass W. Everitt , Rui M. Bastos
IPC分类号： G06T15/50 , G09G5/00 , G06T11/20
CPC分类号： G06T15/503 , G06T11/203 , G06T15/50
摘要： Multisampling techniques provide temporal as well as spatial antialiasing. Coverage for a primitive is determined at multiple sample locations for a pixel. In one embodiment, coverage is determined using boundary equations representing a boundary surface of the primitive in a three-dimensional space-time. A shading value for the primitive is computed for the pixel and stored for each coverage sample location of the pixel that is covered by the primitive. The sample locations are distributed in both space and time, and multiple sample locations share a single shading computation. The multisampling techniques are extendable to other dimensions that correspond to other image attributes.
摘要翻译：多采样技术提供时间和空间抗锯齿。在像素的多个采样位置确定原始图像的覆盖。在一个实施例中，使用表示三维时空中的原语的边界表面的边界方程来确定覆盖。为像素计算基元的阴影值，并为由原始图元覆盖的像素的每个覆盖样本位置存储。样本位置分布在空间和时间上，多个样本位置共享一个阴影计算。多采样技术可扩展到对应于其他图像属性的其他维度。

6. 发明授权

US07446780B1 Temporal antialiasing in a multisampling graphics pipeline 有权
标题翻译：多采样图形管道中的时间抗锯齿
公开(公告)号：US07446780B1
公开(公告)日：2008-11-04
申请号：US10912857
申请日：2004-08-04
申请人： Cass W. Everitt , Rui M. Bastos
发明人： Cass W. Everitt , Rui M. Bastos
IPC分类号： G09G5/00
CPC分类号： G06T15/503 , G06T11/203 , G06T15/50
摘要： Multisampling techniques provide temporal as well as spatial antialiasing. Coverage for a primitive is be determined at multiple sample locations for a pixel. In one embodiment, coverage is determined using boundary equations representing a boundary surface of the primitive in a three-dimensional space-time. A shading value for the primitive is computed for the pixel and stored for each coverage sample location of the pixel that is covered by the primitive. The sample locations are distributed in both space and time, and multiple sample locations share a single shading computation. The multisampling techniques are extendable to other dimensions that correspond to other image attributes.
摘要翻译：多采样技术提供时间和空间抗锯齿。在像素的多个样本位置处确定原语的覆盖。在一个实施例中，使用表示三维时空中的原语的边界表面的边界方程来确定覆盖。为像素计算基元的阴影值，并为由原始图元覆盖的像素的每个覆盖样本位置存储。样本位置分布在空间和时间上，多个样本位置共享一个阴影计算。多采样技术可扩展到对应于其他图像属性的其他维度。

7. 发明授权

US08171461B1 Primitive program compilation for flat attributes with provoking vertex independence 有权
标题翻译：平面属性的原始程序编译，引起顶点独立性
公开(公告)号：US08171461B1
公开(公告)日：2012-05-01
申请号：US11361769
申请日：2006-02-24
申请人： Mark J. Kilgard , Cass W. Everitt , Christopher T. Dodd , Robert Steven Glanville
发明人： Mark J. Kilgard , Cass W. Everitt , Christopher T. Dodd , Robert Steven Glanville
IPC分类号： G06F9/45 , G06F15/16
CPC分类号： G06F8/4441
摘要： Systems and methods for compiling high-level primitive programs are used to generate primitive program micro-code for execution by a primitive processor. A compiler is configured to produce micro-code for a specific target primitive processor based on the target primitive processor's capabilities. The compiler supports features of the high-level primitive program by providing conversions for different applications programming interface conventions, determining output primitive types, initializing attribute arrays based on primitive input profile modifiers, and determining vertex set lengths from specified primitive input types.
摘要翻译：用于编译高级原始程序的系统和方法用于生成原始程序微代码，以由原始处理器执行。编译器被配置为基于目标原语处理器的能力为特定目标原语处理器产生微代码。编译器通过为不同的应用程序编程接口约定提供转换，确定输出原语类型，基于原始输入配置文件修饰符初始化属性数组以及从指定的基元输入类型确定顶点集长度来支持高级原始程序的功能。

8. 发明授权

US08010944B1 Vector data types with swizzling and write masking for C++ 有权
标题翻译：用于C ++的矢量数据类型，具有旋转和写入掩码
公开(公告)号：US08010944B1
公开(公告)日：2011-08-30
申请号：US11608764
申请日：2006-12-08
申请人： Mark J. Kilgard , Cass W. Everitt
发明人： Mark J. Kilgard , Cass W. Everitt
IPC分类号： G06F9/44
CPC分类号： G06F8/315 , G06F9/449 , G06F11/3624
摘要： One embodiment of the invention includes a method for extending an object-oriented programming language to include support for a shading language vector data type. The method generally includes defining a template class for a shading language vector, defining a template class for a swizzled vector, and partially specializing the vector template class for vectors of one, two, three, and four elements. The partial specialization includes a union of instances of the vector swizzle template, where each instance represents a desired vector swizzle. In addition to defining the vector and vector swizzle data types, the templates classes may overload operators provided by the object-oriented programming language to perform operations corresponding to operations of the operators in the shading language.
摘要翻译：本发明的一个实施例包括一种用于扩展面向对象编程语言以包括对着色语言向量数据类型的支持的方法。该方法通常包括定义用于着色语言向量的模板类，为转动向量定义模板类，以及部分专门针对一个，两个，三个和四个元素的向量的向量模板类。部分专业化包括矢量交换模板的实例的并集，其中每个实例表示期望的矢量旋转。除了定义向量和向量交换数据类型之外，模板类可以重载由面向对象编程语言提供的操作，以执行与遮蔽语言中的操作符的操作相对应的操作。

9. 发明授权

US08006236B1 System and method for compiling high-level primitive programs into primitive program micro-code 有权
标题翻译：将高级原始程序编译成原始程序微代码的系统和方法
公开(公告)号：US08006236B1
公开(公告)日：2011-08-23
申请号：US11361597
申请日：2006-02-24
申请人： Mark J. Kilgard , Cass W. Everitt , Christopher T. Dodd , Robert Steven Glanville
发明人： Mark J. Kilgard , Cass W. Everitt , Christopher T. Dodd , Robert Steven Glanville
IPC分类号： G06F9/45
CPC分类号： G06F8/443
摘要： Systems and methods for compiling high-level primitive programs are used to generate primitive program micro-code for execution by a primitive processor. A compiler is configured to produce micro-code for a specific target primitive processor based on the target primitive processor's capabilities. The compiler supports features of the high-level primitive program by providing conversions for different applications programming interface conventions, determining output primitive types, initializing attribute arrays based on primitive input profile modifiers, and determining vertex set lengths from specified primitive input types.
摘要翻译：用于编译高级原始程序的系统和方法用于生成原始程序微代码，以由原始处理器执行。编译器被配置为基于目标原语处理器的能力为特定目标原语处理器产生微代码。编译器通过为不同的应用程序编程接口约定提供转换，确定输出原语类型，基于原始输入配置文件修饰符初始化属性数组，以及从指定的基元输入类型确定顶点集长度来支持高级原始程序的功能。

10. 发明授权

US07170513B1 System and method for display list occlusion branching 有权
标题翻译：显示列表遮挡分支的系统和方法
公开(公告)号：US07170513B1
公开(公告)日：2007-01-30
申请号：US10188697
申请日：2002-07-01
申请人： Douglas A. Voorhies , Matthew Craighead , Mark J. Kilgard , Edward Hutchins , Cass W. Everitt
发明人： Douglas A. Voorhies , Matthew Craighead , Mark J. Kilgard , Edward Hutchins , Cass W. Everitt
IPC分类号： G06T15/00
CPC分类号： G06T15/405 , G06T15/005
摘要： A system and method are provided for conditional branching in a hardware graphics pipeline. Initially, a plurality of graphics commands is received. Condition data is then affected based on at least some of the graphics commands utilizing the hardware graphics pipeline. At least one of the graphics commands is then conditionally skipping based on the condition data in response to another graphics command utilizing the hardware graphics pipeline.
摘要翻译：提供了一种在硬件图形流水线中进行条件分支的系统和方法。最初，接收多个图形命令。然后基于利用硬件图形流水线的至少一些图形命令影响条件数据。然后响应于利用硬件图形流水线的另一图形命令，至少一个图形命令基于条件数据有条件地跳过。

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