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Diffstat (limited to 'third_party/dav1d/src/cpu.h')
| -rw-r--r-- | third_party/dav1d/src/cpu.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/third_party/dav1d/src/cpu.h b/third_party/dav1d/src/cpu.h new file mode 100644 index 0000000000..8f70fefe54 --- /dev/null +++ b/third_party/dav1d/src/cpu.h @@ -0,0 +1,102 @@ +/* + * Copyright © 2018-2022, VideoLAN and dav1d authors + * Copyright © 2018-2022, Two Orioles, LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef DAV1D_SRC_CPU_H +#define DAV1D_SRC_CPU_H + +#include "config.h" + +#include "common/attributes.h" + +#include "dav1d/common.h" +#include "dav1d/dav1d.h" + +#if ARCH_AARCH64 || ARCH_ARM +#include "src/arm/cpu.h" +#elif ARCH_PPC64LE +#include "src/ppc/cpu.h" +#elif ARCH_X86 +#include "src/x86/cpu.h" +#endif + +EXTERN unsigned dav1d_cpu_flags; +EXTERN unsigned dav1d_cpu_flags_mask; + +void dav1d_init_cpu(void); +DAV1D_API void dav1d_set_cpu_flags_mask(unsigned mask); +int dav1d_num_logical_processors(Dav1dContext *c); + +static ALWAYS_INLINE unsigned dav1d_get_cpu_flags(void) { + unsigned flags = dav1d_cpu_flags & dav1d_cpu_flags_mask; + +#if TRIM_DSP_FUNCTIONS +/* Since this function is inlined, unconditionally setting a flag here will + * enable dead code elimination in the calling function. */ +#if ARCH_AARCH64 || ARCH_ARM +#if defined(__ARM_NEON) || defined(__APPLE__) || defined(_WIN32) || ARCH_AARCH64 + flags |= DAV1D_ARM_CPU_FLAG_NEON; +#endif +#elif ARCH_PPC64LE +#if defined(__VSX__) + flags |= DAV1D_PPC_CPU_FLAG_VSX; +#endif +#elif ARCH_X86 +#if defined(__AVX512F__) && defined(__AVX512CD__) && \ + defined(__AVX512BW__) && defined(__AVX512DQ__) && \ + defined(__AVX512VL__) && defined(__AVX512VNNI__) && \ + defined(__AVX512IFMA__) && defined(__AVX512VBMI__) && \ + defined(__AVX512VBMI2__) && defined(__AVX512VPOPCNTDQ__) && \ + defined(__AVX512BITALG__) && defined(__GFNI__) && \ + defined(__VAES__) && defined(__VPCLMULQDQ__) + flags |= DAV1D_X86_CPU_FLAG_AVX512ICL | + DAV1D_X86_CPU_FLAG_AVX2 | + DAV1D_X86_CPU_FLAG_SSE41 | + DAV1D_X86_CPU_FLAG_SSSE3 | + DAV1D_X86_CPU_FLAG_SSE2; +#elif defined(__AVX2__) + flags |= DAV1D_X86_CPU_FLAG_AVX2 | + DAV1D_X86_CPU_FLAG_SSE41 | + DAV1D_X86_CPU_FLAG_SSSE3 | + DAV1D_X86_CPU_FLAG_SSE2; +#elif defined(__SSE4_1__) || defined(__AVX__) + flags |= DAV1D_X86_CPU_FLAG_SSE41 | + DAV1D_X86_CPU_FLAG_SSSE3 | + DAV1D_X86_CPU_FLAG_SSE2; +#elif defined(__SSSE3__) + flags |= DAV1D_X86_CPU_FLAG_SSSE3 | + DAV1D_X86_CPU_FLAG_SSE2; +#elif ARCH_X86_64 || defined(__SSE2__) || \ + (defined(_M_IX86_FP) && _M_IX86_FP >= 2) + flags |= DAV1D_X86_CPU_FLAG_SSE2; +#endif +#endif +#endif + + return flags; +} + +#endif /* DAV1D_SRC_CPU_H */ |