Name

    QCOM_render_sRGB_R8_RG8

Name Strings

    GL_QCOM_render_sRGB_R8_RG8

Contributors

    Alec Sheran
    Tate Hornbeck
    Jonathan Wicks
    Jeff Leger

Contact

    Jeff Leger - jleger 'at' qti.qualcomm.com

Status

    Final

Version

    Last Modified Date: September 15, 2023
    Revision:  #3

Number

    OpenGL ES Extension #343

Dependencies

    OpenGL ES 3.0 is required. This extension is written against OpenGL ES 3.2 Specification (May 5, 2022).

    This extension requires GL_EXT_texture_sRGB_RG8.

    This extension requires GL_EXT_texture_sRGB_R8.

Overview

    OpenGL ES 3.2 supports an sRGB formats SR8 and SRG8 which are not color-renderable.

    This extension enables the sRGB formats SR8 and SRG8 to be color-renderable using
    framebuffer objects.

New Procedures and Functions

    None

New Tokens

    None

Additions to Chapter 8 of the OpenGL  ES 3.2 Specification
(Textures and Samplers)

    Modification in Table 8.10, p.162, 163
    Convert the spaces under 'CR' and 'Req. rend.' to a 'check' for the
    internal format SR8_EXT.

    Modification in Table 8.10, p.162, 163
    Convert the spaces under 'CR' and 'Req. rend.' to a 'check' for the
    internal format SRG8_EXT.

    Insert at the top (first) row in Table 8.16, p. 172.
    Destination     | Source   | Source     | Source    | Source     | Effective
    Internal Format | Red Size | Green Size | Blue Size | Alpha Size | Internal Format
    ----------------|----------|------------|-----------|------------|----------------
    any sized       |  1<=R<=8 |  G=0       |  B=0      |     A=0    | SR8_EXT
    any sized       |  1<=R<=8 |  1<=G<=8   |  B=0      |     A=0    | SRG8_EXT

Errors

    No new errors.

Issues

    None

Revision History:

   Revision: 1 2023-05-30 (asheran)
        initial revision
   Revision: 2 2023-06-06 (asheran)
        version 2
   Revision: 3 2023-09-15 (tateh)
        version 3