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intel/compiler: Add a file-level description of brw_eu_validate.c

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Acked-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Matt Turner
2019-01-24 11:51:14 -08:00
parent 41ddf1d150
commit 18b467c066
1 changed files with 13 additions and 1 deletions
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14
src/intel/compiler/brw_eu_validate.c
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@@ -1,5 +1,5 @@
/* /*
* Copyright © 2015 Intel Corporation * Copyright © 2015-2019 Intel Corporation
* *
* Permission is hereby granted, free of charge, to any person obtaining a * Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"), * copy of this software and associated documentation files (the "Software"),
@@ -24,6 +24,18 @@
/** @file brw_eu_validate.c /** @file brw_eu_validate.c
* *
* This file implements a pass that validates shader assembly. * This file implements a pass that validates shader assembly.
*
* The restrictions implemented herein are intended to verify that instructions
* in shader assembly do not violate restrictions documented in the graphics
* programming reference manuals.
*
* The restrictions are difficult for humans to quickly verify due to their
* complexity and abundance.
*
* It is critical that this code is thoroughly unit tested because false
* results will lead developers astray, which is worse than having no validator
* at all. Functional changes to this file without corresponding unit tests (in
* test_eu_validate.cpp) will be rejected.
*/ */
#include "brw_eu.h" #include "brw_eu.h"