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rendertarget_id(3)		 Arcan Lua API		    rendertarget_id(3)

NAME
       rendertarget_id - Assign	a numeric identifier to	a rendertarget

SYNOPSIS
       id or nil
       rendertarget_id(	vid:rtgt )
       rendertarget_id(	vid:rtgt, int:id )

DESCRIPTION
       This  function  is  intended to be used for the rendering cases where a
       shader need to distinguish between the destination  rendertarget,  e.g.
       the case	when stereoscopically rendering	a side-by-side packed textured
       source without manually managing	multiple pipelines. To do this,	create
       two  rendertargets,  one	via define_rendertarget	 and the other via de-
       fine_linktarget . Give each a unique identifier with the	help  of  this
       function,  and  then write your shader so that it does this distinction
       via the builtin int uniform rtgt_id. The	two forms of this function  is
       simply  one that	retrieves the current identifier, and another that up-
       dates. If the vid specified with	rtgt  does not exist, nil will be  re-
       turned.

SEE ALSO:
targetcontrol			  April	2022		    rendertarget_id(3)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO:

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