vrend: add vrend_util.h file

For random stuff not in src/util.h

util_bitmask is too heavyweight for what I was looking for.

v2: Make macros return 0 or 1 (@davidriley)
v3: static inline macros (@gerddie)

Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
macos/master
Gurchetan Singh 5 years ago
parent 3ec182aaf7
commit f29b1b6e44
  1. 1
      src/Makefile.am
  2. 3
      src/meson.build
  3. 43
      src/vrend_util.h

@ -37,6 +37,7 @@ libvrend_la_SOURCES = \
vrend_strbuf.h \
vrend_tweaks.c \
vrend_tweaks.h \
vrend_util.h \
iov.c
if HAVE_EPOXY_EGL

@ -44,7 +44,8 @@ virglrenderer_sources = [
'vrend_shader.h',
'vrend_strbuf.h',
'vrend_tweaks.c',
'vrend_tweaks.h'
'vrend_tweaks.h',
'vrend_util.h',
]
virglrenderer_egl_sources = [

@ -0,0 +1,43 @@
/**************************************************************************
*
* Copyright (C) 2019 Chromium.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <stdint.h>
#include <stdbool.h>
#define BIT(n) (UINT32_C(1) << (n))
static inline bool has_bit(uint32_t mask, uint32_t bit)
{
return !!(mask & bit);
}
static inline bool has_bits(uint32_t mask, uint32_t bits)
{
return !!((mask & bits) == bits);
}
static inline bool is_only_bit(uint32_t mask, uint32_t bit)
{
return (mask == bit);
}
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