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Side by Side Diff: third_party/libwebp/dsp/cost_sse2.c

Issue 2651883004: libwebp-0.6.0-rc1 (Closed)
Patch Set: Created 3 years, 10 months ago
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1 // Copyright 2015 Google Inc. All Rights Reserved. 1 // Copyright 2015 Google Inc. All Rights Reserved.
2 // 2 //
3 // Use of this source code is governed by a BSD-style license 3 // Use of this source code is governed by a BSD-style license
4 // that can be found in the COPYING file in the root of the source 4 // that can be found in the COPYING file in the root of the source
5 // tree. An additional intellectual property rights grant can be found 5 // tree. An additional intellectual property rights grant can be found
6 // in the file PATENTS. All contributing project authors may 6 // in the file PATENTS. All contributing project authors may
7 // be found in the AUTHORS file in the root of the source tree. 7 // be found in the AUTHORS file in the root of the source tree.
8 // ----------------------------------------------------------------------------- 8 // -----------------------------------------------------------------------------
9 // 9 //
10 // SSE2 version of cost functions 10 // SSE2 version of cost functions
11 // 11 //
12 // Author: Skal (pascal.massimino@gmail.com) 12 // Author: Skal (pascal.massimino@gmail.com)
13 13
14 #include "./dsp.h" 14 #include "./dsp.h"
15 15
16 #if defined(WEBP_USE_SSE2) 16 #if defined(WEBP_USE_SSE2)
17 #include <emmintrin.h> 17 #include <emmintrin.h>
18 18
19 #include "../enc/cost.h" 19 #include "../enc/cost_enc.h"
20 #include "../enc/vp8enci.h" 20 #include "../enc/vp8i_enc.h"
21 #include "../utils/utils.h" 21 #include "../utils/utils.h"
22 22
23 //------------------------------------------------------------------------------ 23 //------------------------------------------------------------------------------
24 24
25 static void SetResidualCoeffsSSE2(const int16_t* const coeffs, 25 static void SetResidualCoeffsSSE2(const int16_t* const coeffs,
26 VP8Residual* const res) { 26 VP8Residual* const res) {
27 const __m128i c0 = _mm_loadu_si128((const __m128i*)(coeffs + 0)); 27 const __m128i c0 = _mm_loadu_si128((const __m128i*)(coeffs + 0));
28 const __m128i c1 = _mm_loadu_si128((const __m128i*)(coeffs + 8)); 28 const __m128i c1 = _mm_loadu_si128((const __m128i*)(coeffs + 8));
29 // Use SSE2 to compare 16 values with a single instruction. 29 // Use SSE2 to compare 16 values with a single instruction.
30 const __m128i zero = _mm_setzero_si128(); 30 const __m128i zero = _mm_setzero_si128();
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110 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitSSE2(void) { 110 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitSSE2(void) {
111 VP8SetResidualCoeffs = SetResidualCoeffsSSE2; 111 VP8SetResidualCoeffs = SetResidualCoeffsSSE2;
112 VP8GetResidualCost = GetResidualCostSSE2; 112 VP8GetResidualCost = GetResidualCostSSE2;
113 } 113 }
114 114
115 #else // !WEBP_USE_SSE2 115 #else // !WEBP_USE_SSE2
116 116
117 WEBP_DSP_INIT_STUB(VP8EncDspCostInitSSE2) 117 WEBP_DSP_INIT_STUB(VP8EncDspCostInitSSE2)
118 118
119 #endif // WEBP_USE_SSE2 119 #endif // WEBP_USE_SSE2
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