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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/angle
 Path: blob/main_old/extensions/EGL_ANGLE_create_context_backwards_compatible.txt
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Name

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    ANGLE_create_context_backwards_compatible

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Name Strings

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    EGL_ANGLE_create_context_backwards_compatible

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Contributors

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    Geoff Lang

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Contacts

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    Geoff Lang (geofflang 'at' google.com)

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Status

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    Draft

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Version

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    Version 1, May 8, 2019

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Number

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    EGL Extension #??

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Dependencies

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    Requires EGL 1.4.

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    Written against the EGL 1.5 specification.

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Overview

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    This extension allows the user to create a context with exact major and

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    minor versions.  By default, a context may be created of any version that

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    is backwards-compatible with the requested verion but it is often useful to

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    users to request and target a specific version.

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New Types

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    None

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New Procedures and Functions

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    None

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New Tokens

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    Accepted as an attribute name in the <*attrib_list> argument to

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    eglCreateContext:

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        EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE 0x3483

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Additions to the EGL 1.5 Specification

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    Modify section 3.7.1.1 "OpenGL and OpenGL ES Context Versions":

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    - The context returned must be the specified version, or a later version

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    - which is backwards compatible with that version.

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    + The context returned must be the specified version, or a later version

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    + which is backwards compatible with that version if

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    + EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE is EGL_TRUE.

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    Append to section 3.7.1.1 "OpenGL and OpenGL ES Context Versions":

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    The default value of EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE is

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    EGL_TRUE.

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Errors

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    None

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New State

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    None

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Conformance Tests

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    TBD

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Issues

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    None

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Revision History

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    Rev.    Date         Author     Changes

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    ----  -------------  ---------  ----------------------------------------

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      1   May 8, 2019    geofflang  Initial version

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