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Side by Side Diff: third_party/libwebp/dsp/rescaler_mips_dsp_r2.c

Issue 2651883004: libwebp-0.6.0-rc1 (Closed)
Patch Set: Created 3 years, 10 months ago
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1 // Copyright 2014 Google Inc. All Rights Reserved. 1 // Copyright 2014 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 // MIPS version of rescaling functions 10 // MIPS version of rescaling functions
11 // 11 //
12 // Author(s): Djordje Pesut (djordje.pesut@imgtec.com) 12 // Author(s): Djordje Pesut (djordje.pesut@imgtec.com)
13 13
14 #include "./dsp.h" 14 #include "./dsp.h"
15 15
16 #if defined(WEBP_USE_MIPS_DSP_R2) 16 #if defined(WEBP_USE_MIPS_DSP_R2)
17 17
18 #include <assert.h> 18 #include <assert.h>
19 #include "../utils/rescaler.h" 19 #include "../utils/rescaler_utils.h"
20 20
21 #define ROUNDER (WEBP_RESCALER_ONE >> 1) 21 #define ROUNDER (WEBP_RESCALER_ONE >> 1)
22 #define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) 22 #define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX)
23 23
24 //------------------------------------------------------------------------------ 24 //------------------------------------------------------------------------------
25 // Row export 25 // Row export
26 26
27 static void ExportRowShrink(WebPRescaler* const wrk) { 27 static void ExportRowShrink(WebPRescaler* const wrk) {
28 int i; 28 int i;
29 const int x_out_max = wrk->dst_width * wrk->num_channels; 29 const int x_out_max = wrk->dst_width * wrk->num_channels;
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305 WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPSdspR2(void) { 305 WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPSdspR2(void) {
306 WebPRescalerExportRowExpand = ExportRowExpand; 306 WebPRescalerExportRowExpand = ExportRowExpand;
307 WebPRescalerExportRowShrink = ExportRowShrink; 307 WebPRescalerExportRowShrink = ExportRowShrink;
308 } 308 }
309 309
310 #else // !WEBP_USE_MIPS_DSP_R2 310 #else // !WEBP_USE_MIPS_DSP_R2
311 311
312 WEBP_DSP_INIT_STUB(WebPRescalerDspInitMIPSdspR2) 312 WEBP_DSP_INIT_STUB(WebPRescalerDspInitMIPSdspR2)
313 313
314 #endif // WEBP_USE_MIPS_DSP_R2 314 #endif // WEBP_USE_MIPS_DSP_R2
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