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3rdparty: opus: enable platform optimized code (x86 SSE/AVX with runtime detection and NEON on ARM)

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Along that enable hardening and check for C99 lrintf (probably can do the same in the engine at some point).
This commit is contained in:
Alibek Omarov
2025-08-02 12:18:18 +05:00
parent da1b9ad80d
commit 56361b52e7
1 changed files with 68 additions and 3 deletions
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71
3rdparty/opus/wscript vendored
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@@ -23,6 +23,17 @@ int main (void) {
int * array = alloca(foo);
}'''
FRAGMENT_LRINT='''#include <math.h>
#include <stdlib.h>
int main (int argc, char **argv) {
return lrint%s((%s)atof(argv[1]));
}'''
# assuming MSVC always enables NEON
FRAGMENT_NEON='''#if !defined __ARM_NEON__ && !defined _MSC_VER
#error
#endif'''
def options(opt):
pass
@@ -31,15 +42,59 @@ def configure(conf):
conf.fatal('Can\'t find opus submodule. Run `git submodule update --init --recursive`.')
return
if conf.check_cc(fragment=FRAGMENT_LRINT % ('', 'double'), msg = 'Checking for C99 lrint', use = 'M', mandatory = False):
conf.define('HAVE_LRINT', 1)
if conf.check_cc(fragment=FRAGMENT_LRINT % ('f', 'float'), msg = 'Checking for C99 lrintf', use = 'M', mandatory = False):
conf.define('HAVE_LRINTF', 1)
# Check for C99 variable-size arrays, or alloca() as fallback
if conf.check_cc(fragment=FRAGMENT_VLA, msg = 'Checking for C99 VLA support', mandatory = False):
conf.define('VAR_ARRAYS', 1)
elif conf.check_cc(fragment=FRAGMENT_ALLOCA_H, msg = 'Checking for alloca in alloca.h header', mandatory = False):
conf.define('USE_ALLOCA', 1)
conf.define('HAVE_ALLOCA_H', 1)
elif conf.check_cc(fragmenmt=FRAGMENT_STDLIB_H, msg = 'Checking for alloca.h in stdlib.h', mandatory = False):
elif conf.check_cc(fragment=FRAGMENT_STDLIB_H, msg = 'Checking for alloca.h in stdlib.h', mandatory = False):
conf.define('USE_ALLOCA', 1)
if conf.env.DEST_CPU in ['thumb', 'arm']:
if conf.check(header_name='arm_neon.h', mandatory = False):
if conf.check(fragment=FRAGMENT_NEON, msg = 'Checking if compiler enabled NEON', mandatory = False):
conf.env.HAVE_NEON = True
conf.define('OPUS_ARM_MAY_HAVE_NEON_INTR', 1)
conf.define('OPUS_ARM_PRESUME_NEON', 1)
elif conf.env.DEST_CPU.startswith('x86'):
if conf.check(header_name='cpuid.h', mandatory=False):
conf.define('CPU_INFO_BY_C', 1)
else:
conf.define('CPU_INFO_BY_ASM', 1)
conf.define('OPUS_HAVE_RTCD', 1)
if conf.check(header_name='xmmintrin.h', mandatory = False):
if conf.env.COMPILER_CC != 'msvc':
conf.env.CFLAGS += ['-msse']
conf.define('OPUS_X86_MAY_HAVE_SSE', 1)
if conf.env.DEST_SIZEOF_VOID_P > 4:
conf.define('OPUS_X86_PRESUME_SSE', 1)
if conf.check(header_name='emmintrin.h', mandatory = False):
if conf.env.COMPILER_CC != 'msvc':
conf.env.CFLAGS += ['-msse2']
conf.define('OPUS_X86_MAY_HAVE_SSE2', 1)
if conf.env.DEST_SIZEOF_VOID_P > 4:
conf.define('OPUS_X86_PRESUME_SSE2', 1)
if conf.check(header_name='smmintrin.h', mandatory = False):
if conf.env.COMPILER_CC != 'msvc':
conf.env.CFLAGS += ['-msse4.1']
conf.define('OPUS_X86_MAY_HAVE_SSE4_1', 1)
if conf.check(header_name='immintrin.h', mandatory = False):
if conf.env.COMPILER_CC != 'msvc':
conf.env.CFLAGS += ['-mavx']
conf.define('OPUS_X86_MAY_HAVE_AVX', 1)
# TODO: ARM/x86 intrinsics detection
# TODO: maybe call autotools/cmake/meson instead?
@@ -55,8 +110,18 @@ def build(bld):
'opus/src/opus_compare.c',
'opus/celt/opus_custom_demo.c'
])
includes = ['opus/include/', 'opus/celt/', 'opus/silk/', 'opus/silk/float/']
defines = ['OPUS_BUILD', 'FLOAT_APPROX', 'PACKAGE_VERSION="1.4.0"', 'CUSTOM_MODES']
includes = ['opus', 'opus/include/', 'opus/celt/', 'opus/silk/', 'opus/silk/float/']
if bld.env.DEST_CPU in ['thumb', 'arm']:
if bld.env.HAVE_NEON:
sources += bld.path.ant_glob(['opus/silk/arm/*.c', 'opus/celt/arm/*.c'])
includes += ['opus/silk/arm', 'opus/celt/arm']
elif bld.env.DEST_CPU.startswith('x86'):
sources += bld.path.ant_glob(['opus/silk/x86/*.c', 'opus/celt/x86/*.c'])
includes += ['opus/silk/x86', 'opus/celt/x86']
defines = ['OPUS_BUILD', 'FLOAT_APPROX', 'PACKAGE_VERSION="1.4.0"', 'CUSTOM_MODES', 'ENABLE_HARDENING']
bld.stlib(
source = sources,