ATOMICMAX(3G)                   [FIXME: manual]                  ATOMICMAX(3G)

NAME
       atomicMax - perform an atomic max operation to a variable

DECLARATION
       int atomicMax(inout int mem, int data);

       uint atomicMax(inout uint mem, uint data);

PARAMETERS
       mem
           The variable to use as the target of the operation.

       data
           The data to be compared to mem.

DESCRIPTION
       atomicMax performs an atomic comparison of data to the contents of mem,
       writes the maximum value into mem and returns the original contents of
       mem from before the comparison occurred. The contents of the memory
       being updated by the atomic operation are guaranteed not to be modified
       by any other assignment or atomic memory function in any shader
       invocation between the time the original value is read and the time the
       new value is written.

       Atomic memory functions are supported only for a limited set of
       variables. A shader will fail to compile if the value passed to the mem
       argument of an atomic memory function does not correspond to a buffer
       or shared variable. It is acceptable to pass an element of an array or
       a single component of a vector to the mem argument of an atomic memory
       function, as long as the underlying array or vector is a buffer or
       shared variable.

VERSION SUPPORT

       +----------+-----------------------------------------------------------------------------------+
       |          |                          OpenGL Shading Language Version                          |
       +----------+------+------+------+------+------+------+------+------+------+------+------+------+
       |Function  | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 | 4.50 |
       |Name      |      |      |      |      |      |      |      |      |      |      |      |      |
       +----------+------+------+------+------+------+------+------+------+------+------+------+------+
       |atomicMax |  -   |  -   |  -   |  -   |  -   |  -   |  -   |  -   |  -   | <?>  | <?>  | <?>  |
       +----------+------+------+------+------+------+------+------+------+------+------+------+------+

SEE ALSO
       atomicAdd(), atomicAnd(), atomicOr(), atomicXor(), atomicMin(),
       atomicExchange(), atomicCompSwap()

COPYRIGHT
       Copyright (C) 2011-2014 Khronos Group. This material may be distributed
       subject to the terms and conditions set forth in the Open Publication
       License, v 1.0, 8 June 1999.  http://opencontent.org/openpub/.

COPYRIGHT
       Copyright (C) 2012-2014 Khronos Group

[FIXME: source]                   05/21/2022                     ATOMICMAX(3G)