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

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    ANGLE_client_arrays

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Name Strings

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    GL_ANGLE_client_arrays

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Contributors

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    Geoff Lang

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Contact

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    Geoff Lang (geofflang 'at' google.com)

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Notice

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    Copyright (c) 2016 The Khronos Group Inc. Copyright terms at

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        http://www.khronos.org/registry/speccopyright.html

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Status

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    Draft

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Version

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    Version 1, February 13, 2016

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Number

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    OpenGL ES Extension #??

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Dependencies

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    Requires OpenGL ES 2.0

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    Written against the OpenGL ES 2.0 specification.

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Overview

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    This extension allows the OpenGL context to indicate if it supports drawing

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    with client-side vertex or index data.  Client-side can be very inefficient

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    and unsafe, it is convenient for some users to completely disable its usage.

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New Procedures and Functions

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    None

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New Tokens

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    Accepted by the <cap> parameter to IsEnabled and the <pname> parameter to

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    GetBooleanv, GetIntegerv, GetFloatv, and GetInteger64v:

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    CLIENT_ARRAYS_ANGLE                 0x93AA

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Additions to the OpenGL ES Specification

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    Add after paragraph 3 of section 2.8 "Vertex Arrays":

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    If VertexAttribPointer is called while zero is bound to the ARRAY_BUFFER

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    buffer object binding point, the pointer argument is not NULL, and

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    CLIENT_ARRAYS_ANGLE is TRUE, an INVALID_OPERATION error is generated.

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    Add to the end of section 2.9.1 "Vertex Arrays in Buffer Objects":

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    Rendering commands that draw more than 0 primitives using enabled vertex

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    attributes with no buffer bound when CLIENT_ARRAYS_ANGLE is TRUE generate

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    an INVALID_OPERATION error.

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    Add to the end of section 2.9.2 "Array Indices in Buffer Objects":

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    Rendering commands that draw using index data when no buffer is bound to

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    the ELEMENT_ARRAY_BUFFER binding point when CLIENT_ARRAYS_ANGLE is TRUE

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    generate an INVALID_OPERATION error.

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New State

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    Modify Table 6.22, Miscellaneous

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    Add:

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                                          Initial

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    Get Value            Type Get Command Value   Description

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

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    CLIENT_ARRAYS_ANGLE  B    IsEnabled   TRUE    Client arrays enabled

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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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      2   Jun 12, 2018   Brandon Jones (Intel)  Remove primitives > 0 requirement to error

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                                                when doing an indexed draw with no bound

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                                                ELEMENT_ARRAY_BUFFER

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      1   Feb 13, 2016   geofflang              Initial version

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