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Name
ANGLE_robust_fragment_shader_output
Name Strings
GL_ANGLE_robust_fragment_shader_output
Contributors
Jamie Madill
Contact
Jamie Madill (jmadill 'at' google.com)
Notice
Copyright (c) 2021 The Khronos Group Inc. Copyright terms at
http://www.khronos.org/registry/speccopyright.html
Status
Draft
Version
Version 1, October 15, 2021
Number
OpenGL ES Extension #??
Dependencies
Requires OpenGL ES 3.0
Written against the OpenGL ES 3.2 specification.
Overview
This extension allows the OpenGL context to indicate if it supports rendering
defined pixel values when there's an interface mismatch between the fragment
shader and the draw framebuffer.
New Procedures and Functions
None
New Tokens
Accepted by the <cap> parameter to IsEnabled and the <pname> parameter to
GetBooleanv, GetIntegerv, GetFloatv, and GetInteger64v:
ROBUST_FRAGMENT_SHADER_OUTPUT_ANGLE 0x96B9
Additions to the OpenGL ES Specification
Add to the end of section 15.2.1 "Selecting Buffers for Writing"
If the fragment shader does not declare output variables that would be
written to a bound draw buffer, the contents of the bound draw buffer
remain unchanged.
New State
Modify Table 6.22, Miscellaneous
Add:
Initial
Get Value Type Get Command Value Description
----------------------------------- ---- ----------- ------- ---------------------
ROBUST_FRAGMENT_SHADER_OUTPUT_ANGLE B IsEnabled TRUE Robust fragment outputs
Conformance Tests
TBD
Issues
None
Revision History
Rev. Date Author Changes
---- ------------- --------- ----------------------------------------
1 Oct 15, 2021 jmadill Initial version
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