Khronos OpenGL Extension Document

Oct 13, 2025 by wbrum.org 46 views

Resolving the Typo in Table 20.6: A Clarification on Anchor Indices for 2-Subset BPTC Partitions

The data format specification version 1.4, a crucial document outlining the standards for various data formats, contains a potential discrepancy in Table 20.6. This table defines anchor indices for 2-subset BPTC partitions, a critical aspect of texture compression. However, a closer examination reveals a discrepancy regarding Partition 35. In this article, we will delve into the details of this issue, explore the possible causes, and seek clarification from the maintainers.

Table 20.6 in the data format specification version 1.4 lists the anchor indices for 2-subset BPTC partitions. Specifically, Partition 35 is mentioned, with the anchor index for subset 1 listed as (2,0). However, in the Khronos OpenGL Extension document ARB_texture_compression_bptc, the anchor index for the second subset of partition 35 is explicitly stated to be 8.

The discrepancy between the two specifications raises questions about the accuracy of the data format specification version 1.4. The anchor index for subset 1 in Partition 35 is listed as (2,0) in Table 20.6, whereas the Khronos OpenGL Extension document specifies the anchor index for the second subset of partition 35 as 8. This inconsistency may have significant implications for developers working with BPTC partitions.

There are several possible causes for this discrepancy:

Typographical Error: The discrepancy may be due to a typographical error in the data format specification version 1.4.
Specification Update: The Khronos OpenGL Extension document may have been updated to reflect a change in the anchor index for Partition 35.
Misinterpretation: The discrepancy may be due to a misinterpretation of the data format specification version 1.4.

To resolve this issue, it is essential to seek clarification from the maintainers of the data format specification version 1.4. The maintainers should provide a clear explanation of the discrepancy and specify which anchor index specification should be considered authoritative for Partition 35.

The discrepancy in Table 20.6 regarding Partition 35 highlights the importance of careful attention to detail in data format specifications. The maintainers of the data format specification version 1.4 should provide a clear explanation of the discrepancy and specify which anchor index specification should be considered authoritative for Partition 35. This clarification will ensure that developers working with BPTC partitions have accurate and reliable information.

To avoid similar discrepancies in the future, the following recommendations are made:

Careful Review: The data format specification version 1.4 should be carefully reviewed to ensure accuracy and consistency.
Clear Documentation: The Khronos OpenGL Extension document should be updated to reflect any changes in the anchor index for Partition 35.
Community Feedback: The maintainers of the data format specification version 1.4 should encourage community feedback to ensure that the specification is accurate and reliable.

The resolution of this issue will have significant implications for developers working with BPTC partitions. The maintainers of the data format specification version 1.4 should provide a clear explanation of the discrepancy and specify which anchor index specification should be considered authoritative for Partition 35. This clarification will ensure that developers have accurate and reliable information, enabling them to work efficiently and effectively with BPTC partitions.

Data Format Specification Version 1.4: The data format specification version 1.4 is a crucial document outlining the standards for various data formats.
Khronos OpenGL Extension Document: The Khronos OpenGL Extension document ARB_texture_compression_bptc provides detailed information on the anchor index for Partition 35.
Community Feedback: The maintainers of the data format specification version 1.4 should encourage community feedback to ensure that the specification is accurate and reliable.
Q&A: Resolving the Typo in Table 20.6 - A Clarification on Anchor Indices for 2-Subset BPTC Partitions

In our previous article, we explored the discrepancy in Table 20.6 regarding Partition 35. This table defines anchor indices for 2-subset BPTC partitions, a critical aspect of texture compression. However, a closer examination revealed a discrepancy regarding Partition 35. In this Q&A article, we will address some of the most frequently asked questions related to this issue.

A: The discrepancy in Table 20.6 regarding Partition 35 is that the anchor index for subset 1 is listed as (2,0), whereas the Khronos OpenGL Extension document specifies the anchor index for the second subset of partition 35 as 8.

A: There are several possible causes for this discrepancy:

Typographical Error: The discrepancy may be due to a typographical error in the data format specification version 1.4.
Specification Update: The Khronos OpenGL Extension document may have been updated to reflect a change in the anchor index for Partition 35.
Misinterpretation: The discrepancy may be due to a misinterpretation of the data format specification version 1.4.

A: The maintainers of the data format specification version 1.4 should provide a clear explanation of the discrepancy and specify which anchor index specification should be considered authoritative for Partition 35. This clarification will ensure that developers working with BPTC partitions have accurate and reliable information.

A: The discrepancy in Table 20.6 regarding Partition 35 may have significant implications for developers working with BPTC partitions. The anchor index for subset 1 in Partition 35 is listed as (2,0) in Table 20.6, whereas the Khronos OpenGL Extension document specifies the anchor index for the second subset of partition 35 as 8. This inconsistency may lead to errors or inconsistencies in the development process.

A: Developers working with BPTC partitions should carefully review the data format specification version 1.4 and the Khronos OpenGL Extension document to ensure that they have accurate and reliable information. They should also seek clarification from the maintainers of the data format specification version 1.4 if they have any questions or concerns.

A: To avoid similar discrepancies in the future, the following recommendations are made:

Careful Review: The data format specification version 1.4 should be carefully reviewed to ensure accuracy and consistency.
Clear Documentation: The Khronos OpenGL Extension document should be updated to reflect any changes in the anchor index for Partition 35.
Community Feedback: The maintainers of the data format specification version 1.4 should encourage community feedback to ensure that the specification is accurate and reliable.

Data Format Specification Version 1.4: The data format specification version 1.4 is a crucial document outlining the standards for various data formats.
Khronos OpenGL Extension Document: The Khronos OpenGL Extension document ARB_texture_compression_bptc provides detailed information on the anchor index for Partition 35.
Community Feedback: The maintainers of the data format specification version 1.4 should encourage community feedback to ensure that the specification is accurate and reliable.