opencv/3rdparty/zlib-ng/arch/arm/arm_features.h
Letu Ren 0de26fd78e Add zlib-ng as an alternative zlib implementation
Zlib-ng is zlib replacement with optimizations for "next generation" systems. Its optimization may benifits image library decode and encode speed such as libpng. In our tests, if using zlib-ng and libpng combination on a x86_64 machine with AVX2, the time of `imdecode` amd `imencode` will drop 20% approximately. This patch enables zlib-ng's optimization if `CV_DISABLE_OPTIMIZATION` is OFF. Since Zlib-ng can dispatch intrinsics on the fly, port work is much easier.

Related discussion: https://github.com/opencv/opencv/issues/22573
2024-01-14 14:58:47 +08:00

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C

/* arm_features.h -- check for ARM features.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#ifndef ARM_H_
#define ARM_H_
struct arm_cpu_features {
int has_simd;
int has_neon;
int has_crc32;
};
void Z_INTERNAL arm_check_features(struct arm_cpu_features *features);
#endif /* ARM_H_ */