diff options
Diffstat (limited to 'third_party/dav1d/src/x86/msac.h')
| -rw-r--r-- | third_party/dav1d/src/x86/msac.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/dav1d/src/x86/msac.h b/third_party/dav1d/src/x86/msac.h new file mode 100644 index 0000000000..0bb632fb31 --- /dev/null +++ b/third_party/dav1d/src/x86/msac.h @@ -0,0 +1,75 @@ +/* + * Copyright © 2019, VideoLAN and dav1d authors + * Copyright © 2019, 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_X86_MSAC_H +#define DAV1D_SRC_X86_MSAC_H + +#include "src/cpu.h" + +unsigned dav1d_msac_decode_symbol_adapt4_sse2(MsacContext *s, uint16_t *cdf, + size_t n_symbols); +unsigned dav1d_msac_decode_symbol_adapt8_sse2(MsacContext *s, uint16_t *cdf, + size_t n_symbols); +unsigned dav1d_msac_decode_symbol_adapt16_sse2(MsacContext *s, uint16_t *cdf, + size_t n_symbols); +unsigned dav1d_msac_decode_symbol_adapt16_avx2(MsacContext *s, uint16_t *cdf, + size_t n_symbols); +unsigned dav1d_msac_decode_bool_adapt_sse2(MsacContext *s, uint16_t *cdf); +unsigned dav1d_msac_decode_bool_equi_sse2(MsacContext *s); +unsigned dav1d_msac_decode_bool_sse2(MsacContext *s, unsigned f); +unsigned dav1d_msac_decode_hi_tok_sse2(MsacContext *s, uint16_t *cdf); + +#if ARCH_X86_64 || defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2) +#define dav1d_msac_decode_symbol_adapt4 dav1d_msac_decode_symbol_adapt4_sse2 +#define dav1d_msac_decode_symbol_adapt8 dav1d_msac_decode_symbol_adapt8_sse2 +#define dav1d_msac_decode_hi_tok dav1d_msac_decode_hi_tok_sse2 +#endif + +#define dav1d_msac_decode_bool_adapt dav1d_msac_decode_bool_adapt_sse2 +#define dav1d_msac_decode_bool_equi dav1d_msac_decode_bool_equi_sse2 +#define dav1d_msac_decode_bool dav1d_msac_decode_bool_sse2 + +#if ARCH_X86_64 +#define dav1d_msac_decode_symbol_adapt16(ctx, cdf, symb) ((ctx)->symbol_adapt16(ctx, cdf, symb)) + +static ALWAYS_INLINE void msac_init_x86(MsacContext *const s) { + const unsigned flags = dav1d_get_cpu_flags(); + + if (flags & DAV1D_X86_CPU_FLAG_SSE2) { + s->symbol_adapt16 = dav1d_msac_decode_symbol_adapt16_sse2; + } + + if (flags & DAV1D_X86_CPU_FLAG_AVX2) { + s->symbol_adapt16 = dav1d_msac_decode_symbol_adapt16_avx2; + } +} + +#elif defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2) +#define dav1d_msac_decode_symbol_adapt16 dav1d_msac_decode_symbol_adapt16_sse2 +#endif + +#endif /* DAV1D_SRC_X86_MSAC_H */ |