Index: webrtc/modules/desktop_capture/differ_block_sse2.cc |
diff --git a/webrtc/modules/desktop_capture/differ_block_sse2.cc b/webrtc/modules/desktop_capture/differ_block_sse2.cc |
deleted file mode 100644 |
index 8d35df2226566b59958a51dd19188e9f35fae10b..0000000000000000000000000000000000000000 |
--- a/webrtc/modules/desktop_capture/differ_block_sse2.cc |
+++ /dev/null |
@@ -1,120 +0,0 @@ |
-/* |
- * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include "webrtc/modules/desktop_capture/differ_block_sse2.h" |
- |
-#if defined(_MSC_VER) |
-#include <intrin.h> |
-#else |
-#include <mmintrin.h> |
-#include <emmintrin.h> |
-#endif |
- |
-#include "webrtc/modules/desktop_capture/differ_block.h" |
- |
-namespace webrtc { |
- |
-extern bool BlockDifference_SSE2_W16(const uint8_t* image1, |
- const uint8_t* image2, |
- int stride) { |
- __m128i acc = _mm_setzero_si128(); |
- __m128i v0; |
- __m128i v1; |
- __m128i sad; |
- for (int y = 0; y < kBlockSize; ++y) { |
- const __m128i* i1 = reinterpret_cast<const __m128i*>(image1); |
- const __m128i* i2 = reinterpret_cast<const __m128i*>(image2); |
- v0 = _mm_loadu_si128(i1); |
- v1 = _mm_loadu_si128(i2); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 1); |
- v1 = _mm_loadu_si128(i2 + 1); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 2); |
- v1 = _mm_loadu_si128(i2 + 2); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 3); |
- v1 = _mm_loadu_si128(i2 + 3); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- |
- // This essential means sad = acc >> 64. We only care about the lower 16 |
- // bits. |
- sad = _mm_shuffle_epi32(acc, 0xEE); |
- sad = _mm_adds_epu16(sad, acc); |
- int diff = _mm_cvtsi128_si32(sad); |
- if (diff) |
- return true; |
- image1 += stride; |
- image2 += stride; |
- } |
- return false; |
-} |
- |
-extern bool BlockDifference_SSE2_W32(const uint8_t* image1, |
- const uint8_t* image2, |
- int stride) { |
- __m128i acc = _mm_setzero_si128(); |
- __m128i v0; |
- __m128i v1; |
- __m128i sad; |
- for (int y = 0; y < kBlockSize; ++y) { |
- const __m128i* i1 = reinterpret_cast<const __m128i*>(image1); |
- const __m128i* i2 = reinterpret_cast<const __m128i*>(image2); |
- v0 = _mm_loadu_si128(i1); |
- v1 = _mm_loadu_si128(i2); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 1); |
- v1 = _mm_loadu_si128(i2 + 1); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 2); |
- v1 = _mm_loadu_si128(i2 + 2); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 3); |
- v1 = _mm_loadu_si128(i2 + 3); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 4); |
- v1 = _mm_loadu_si128(i2 + 4); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 5); |
- v1 = _mm_loadu_si128(i2 + 5); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 6); |
- v1 = _mm_loadu_si128(i2 + 6); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- v0 = _mm_loadu_si128(i1 + 7); |
- v1 = _mm_loadu_si128(i2 + 7); |
- sad = _mm_sad_epu8(v0, v1); |
- acc = _mm_adds_epu16(acc, sad); |
- |
- // This essential means sad = acc >> 64. We only care about the lower 16 |
- // bits. |
- sad = _mm_shuffle_epi32(acc, 0xEE); |
- sad = _mm_adds_epu16(sad, acc); |
- int diff = _mm_cvtsi128_si32(sad); |
- if (diff) |
- return true; |
- image1 += stride; |
- image2 += stride; |
- } |
- return false; |
-} |
- |
-} // namespace webrtc |