1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #include "vpx_ports/config.h" 13 #include "vpx_ports/x86.h" 14 #include "vp8/decoder/onyxd_int.h" 15 16 17 #if HAVE_MMX 18 void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q); 19 20 static void dequantize_b_mmx(BLOCKD *d) 21 { 22 short *sq = (short *) d->qcoeff; 23 short *dq = (short *) d->dqcoeff; 24 short *q = (short *) d->dequant; 25 vp8_dequantize_b_impl_mmx(sq, dq, q); 26 } 27 #endif 28 29 void vp8_arch_x86_decode_init(VP8D_COMP *pbi) 30 { 31 int flags = x86_simd_caps(); 32 33 /* Note: 34 * 35 * This platform can be built without runtime CPU detection as well. If 36 * you modify any of the function mappings present in this file, be sure 37 * to also update them in static mapings (<arch>/filename_<arch>.h) 38 */ 39 #if CONFIG_RUNTIME_CPU_DETECT 40 /* Override default functions with fastest ones for this CPU. */ 41 #if HAVE_MMX 42 if (flags & HAS_MMX) 43 { 44 pbi->dequant.block = dequantize_b_mmx; 45 pbi->dequant.idct_add = vp8_dequant_idct_add_mmx; 46 pbi->dequant.dc_idct_add = vp8_dequant_dc_idct_add_mmx; 47 pbi->dequant.dc_idct_add_y_block = vp8_dequant_dc_idct_add_y_block_mmx; 48 pbi->dequant.idct_add_y_block = vp8_dequant_idct_add_y_block_mmx; 49 pbi->dequant.idct_add_uv_block = vp8_dequant_idct_add_uv_block_mmx; 50 } 51 #endif 52 #if HAVE_SSE2 53 if (flags & HAS_SSE2) 54 { 55 pbi->dequant.dc_idct_add_y_block = vp8_dequant_dc_idct_add_y_block_sse2; 56 pbi->dequant.idct_add_y_block = vp8_dequant_idct_add_y_block_sse2; 57 pbi->dequant.idct_add_uv_block = vp8_dequant_idct_add_uv_block_sse2; 58 } 59 #endif 60 61 #endif 62 } 63
