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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 // NEON version of rescaling functions | 10 // NEON version of rescaling 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_NEON) | 16 #if defined(WEBP_USE_NEON) |
| 17 | 17 |
| 18 #include <arm_neon.h> | 18 #include <arm_neon.h> |
| 19 #include <assert.h> | 19 #include <assert.h> |
| 20 #include "./neon.h" | 20 #include "./neon.h" |
| 21 #include "../utils/rescaler.h" | 21 #include "../utils/rescaler_utils.h" |
| 22 | 22 |
| 23 #define ROUNDER (WEBP_RESCALER_ONE >> 1) | 23 #define ROUNDER (WEBP_RESCALER_ONE >> 1) |
| 24 #define MULT_FIX_C(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) | 24 #define MULT_FIX_C(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) |
| 25 | 25 |
| 26 #define LOAD_32x4(SRC, DST) const uint32x4_t DST = vld1q_u32((SRC)) | 26 #define LOAD_32x4(SRC, DST) const uint32x4_t DST = vld1q_u32((SRC)) |
| 27 #define LOAD_32x8(SRC, DST0, DST1) \ | 27 #define LOAD_32x8(SRC, DST0, DST1) \ |
| 28 LOAD_32x4(SRC + 0, DST0); \ | 28 LOAD_32x4(SRC + 0, DST0); \ |
| 29 LOAD_32x4(SRC + 4, DST1) | 29 LOAD_32x4(SRC + 4, DST1) |
| 30 | 30 |
| 31 #define STORE_32x8(SRC0, SRC1, DST) do { \ | 31 #define STORE_32x8(SRC0, SRC1, DST) do { \ |
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| 177 WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitNEON(void) { | 177 WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitNEON(void) { |
| 178 WebPRescalerExportRowExpand = RescalerExportRowExpand; | 178 WebPRescalerExportRowExpand = RescalerExportRowExpand; |
| 179 WebPRescalerExportRowShrink = RescalerExportRowShrink; | 179 WebPRescalerExportRowShrink = RescalerExportRowShrink; |
| 180 } | 180 } |
| 181 | 181 |
| 182 #else // !WEBP_USE_NEON | 182 #else // !WEBP_USE_NEON |
| 183 | 183 |
| 184 WEBP_DSP_INIT_STUB(WebPRescalerDspInitNEON) | 184 WEBP_DSP_INIT_STUB(WebPRescalerDspInitNEON) |
| 185 | 185 |
| 186 #endif // WEBP_USE_NEON | 186 #endif // WEBP_USE_NEON |
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