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Name
ANGLE_create_context_backwards_compatible
Name Strings
EGL_ANGLE_create_context_backwards_compatible
Contributors
Geoff Lang
Contacts
Geoff Lang (geofflang 'at' google.com)
Status
Draft
Version
Version 1, May 8, 2019
Number
EGL Extension #??
Dependencies
Requires EGL 1.4.
Written against the EGL 1.5 specification.
Overview
This extension allows the user to create a context with exact major and
minor versions. By default, a context may be created of any version that
is backwards-compatible with the requested verion but it is often useful to
users to request and target a specific version.
New Types
None
New Procedures and Functions
None
New Tokens
Accepted as an attribute name in the <*attrib_list> argument to
eglCreateContext:
EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE 0x3483
Additions to the EGL 1.5 Specification
Modify section 3.7.1.1 "OpenGL and OpenGL ES Context Versions":
- The context returned must be the specified version, or a later version
- which is backwards compatible with that version.
+ The context returned must be the specified version, or a later version
+ which is backwards compatible with that version if
+ EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE is EGL_TRUE.
Append to section 3.7.1.1 "OpenGL and OpenGL ES Context Versions":
The default value of EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE is
EGL_TRUE.
Errors
None
New State
None
Conformance Tests
TBD
Issues
None
Revision History
Rev. Date Author Changes
---- ------------- --------- ----------------------------------------
1 May 8, 2019 geofflang Initial version
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