msac.h (3538B)
1 /* 2 * Copyright © 2019, VideoLAN and dav1d authors 3 * Copyright © 2019, Two Orioles, LLC 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef DAV1D_SRC_X86_MSAC_H 29 #define DAV1D_SRC_X86_MSAC_H 30 31 #include "src/cpu.h" 32 33 unsigned dav1d_msac_decode_symbol_adapt4_sse2(MsacContext *s, uint16_t *cdf, 34 size_t n_symbols); 35 unsigned dav1d_msac_decode_symbol_adapt8_sse2(MsacContext *s, uint16_t *cdf, 36 size_t n_symbols); 37 unsigned dav1d_msac_decode_symbol_adapt16_sse2(MsacContext *s, uint16_t *cdf, 38 size_t n_symbols); 39 unsigned dav1d_msac_decode_symbol_adapt16_avx2(MsacContext *s, uint16_t *cdf, 40 size_t n_symbols); 41 unsigned dav1d_msac_decode_bool_adapt_sse2(MsacContext *s, uint16_t *cdf); 42 unsigned dav1d_msac_decode_bool_equi_sse2(MsacContext *s); 43 unsigned dav1d_msac_decode_bool_sse2(MsacContext *s, unsigned f); 44 unsigned dav1d_msac_decode_hi_tok_sse2(MsacContext *s, uint16_t *cdf); 45 46 #if ARCH_X86_64 || defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2) 47 #define dav1d_msac_decode_symbol_adapt4 dav1d_msac_decode_symbol_adapt4_sse2 48 #define dav1d_msac_decode_symbol_adapt8 dav1d_msac_decode_symbol_adapt8_sse2 49 #define dav1d_msac_decode_hi_tok dav1d_msac_decode_hi_tok_sse2 50 #endif 51 52 #define dav1d_msac_decode_bool_adapt dav1d_msac_decode_bool_adapt_sse2 53 #define dav1d_msac_decode_bool_equi dav1d_msac_decode_bool_equi_sse2 54 #define dav1d_msac_decode_bool dav1d_msac_decode_bool_sse2 55 56 #if ARCH_X86_64 57 #define dav1d_msac_decode_symbol_adapt16(ctx, cdf, symb) ((ctx)->symbol_adapt16(ctx, cdf, symb)) 58 59 static ALWAYS_INLINE void msac_init_x86(MsacContext *const s) { 60 const unsigned flags = dav1d_get_cpu_flags(); 61 62 if (flags & DAV1D_X86_CPU_FLAG_SSE2) { 63 s->symbol_adapt16 = dav1d_msac_decode_symbol_adapt16_sse2; 64 } 65 66 if (flags & DAV1D_X86_CPU_FLAG_AVX2) { 67 s->symbol_adapt16 = dav1d_msac_decode_symbol_adapt16_avx2; 68 } 69 } 70 71 #elif defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2) 72 #define dav1d_msac_decode_symbol_adapt16 dav1d_msac_decode_symbol_adapt16_sse2 73 #endif 74 75 #endif /* DAV1D_SRC_X86_MSAC_H */