read in read function for yuv conversion

source/row_win.cc

 /*
  *  Copyright 2011 The LibYuv 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.
  */
 
@@ skipping 16 matching lines @@
 
 // 64 bit
 #if defined(_M_X64)
 
 // Read 4 UV from 422, upsample to 8 UV.
 #define READYUV422                                                             \
     xmm0 = _mm_cvtsi32_si128(*(uint32*)u_buf);                                 \
     xmm1 = _mm_cvtsi32_si128(*(uint32*)(u_buf + offset));                      \
     xmm0 = _mm_unpacklo_epi8(xmm0, xmm1);                                      \
     xmm0 = _mm_unpacklo_epi16(xmm0, xmm0);                                     \
-    u_buf += 4;
+    u_buf += 4;                                                                \
+    xmm4 = _mm_loadl_epi64((__m128i*)y_buf);                                   \
+    y_buf += 8;                                                                \
 
 // Convert 8 pixels: 8 UV and 8 Y.
 #define YUVTORGB(YuvConstants)                                                 \
     xmm1 = _mm_loadu_si128(&xmm0);                                             \
     xmm2 = _mm_loadu_si128(&xmm0);                                             \
     xmm0 = _mm_maddubs_epi16(xmm0, *(__m128i*)YuvConstants->kUVToB);           \
     xmm1 = _mm_maddubs_epi16(xmm1, *(__m128i*)YuvConstants->kUVToG);           \
     xmm2 = _mm_maddubs_epi16(xmm2, *(__m128i*)YuvConstants->kUVToR);           \
     xmm0 = _mm_sub_epi16(*(__m128i*)YuvConstants->kUVBiasB, xmm0);             \
     xmm1 = _mm_sub_epi16(*(__m128i*)YuvConstants->kUVBiasG, xmm1);             \
     xmm2 = _mm_sub_epi16(*(__m128i*)YuvConstants->kUVBiasR, xmm2);             \
-    xmm3 = _mm_loadl_epi64((__m128i*)y_buf);                                   \
-    y_buf += 8;                                                                \
-    xmm3 = _mm_unpacklo_epi8(xmm3, xmm3);                                      \
-    xmm3 = _mm_mulhi_epu16(xmm3, *(__m128i*)YuvConstants->kYToRgb);            \
-    xmm0 = _mm_adds_epi16(xmm0, xmm3);                                         \
-    xmm1 = _mm_adds_epi16(xmm1, xmm3);                                         \
-    xmm2 = _mm_adds_epi16(xmm2, xmm3);                                         \
+    xmm4 = _mm_unpacklo_epi8(xmm4, xmm4);                                      \
+    xmm4 = _mm_mulhi_epu16(xmm4, *(__m128i*)YuvConstants->kYToRgb);            \
+    xmm0 = _mm_adds_epi16(xmm0, xmm4);                                         \
+    xmm1 = _mm_adds_epi16(xmm1, xmm4);                                         \
+    xmm2 = _mm_adds_epi16(xmm2, xmm4);                                         \
     xmm0 = _mm_srai_epi16(xmm0, 6);                                            \
     xmm1 = _mm_srai_epi16(xmm1, 6);                                            \
     xmm2 = _mm_srai_epi16(xmm2, 6);                                            \
     xmm0 = _mm_packus_epi16(xmm0, xmm0);                                       \
     xmm1 = _mm_packus_epi16(xmm1, xmm1);                                       \
     xmm2 = _mm_packus_epi16(xmm2, xmm2);
 
 // Store 8 ARGB values.
 #define STOREARGB                                                              \
     xmm0 = _mm_unpacklo_epi8(xmm0, xmm1);                                      \
@@ skipping 17 matching lines @@
     dst_argb += 32;
 
 
 #if defined(HAS_I422TOARGBROW_SSSE3)
 void I422ToARGBRow_SSSE3(const uint8* y_buf,
                          const uint8* u_buf,
                          const uint8* v_buf,
                          uint8* dst_argb,
                          struct YuvConstants* yuvconstants,
                          int width) {
-  __m128i xmm0, xmm1, xmm2, xmm3;
+  __m128i xmm0, xmm1, xmm2, xmm4;
   const __m128i xmm5 = _mm_set1_epi8(-1);
   const ptrdiff_t offset = (uint8*)v_buf - (uint8*)u_buf;
   while (width > 0) {
     READYUV422
-    YUVTORGB(YuvConstants)
+    YUVTORGB(yuvconstants)
     STOREARGB
     width -= 8;
   }
 }
 #endif
 
 #if defined(HAS_I422TOABGRROW_SSSE3)
 void I422ToABGRRow_SSSE3(const uint8* y_buf,
                          const uint8* u_buf,
                          const uint8* v_buf,
                          uint8* dst_argb,
                          struct YuvConstants* yuvconstants,
                          int width) {
-  __m128i xmm0, xmm1, xmm2, xmm3;
+  __m128i xmm0, xmm1, xmm2, xmm4;
   const __m128i xmm5 = _mm_set1_epi8(-1);
   const ptrdiff_t offset = (uint8*)v_buf - (uint8*)u_buf;
   while (width > 0) {
     READYUV422
-    YUVTORGB(YuvConstants)
+    YUVTORGB(yuvconstants)
     STOREABGR
     width -= 8;
   }
 }
 #endif
 // 32 bit
 #else  // defined(_M_X64)
 #ifdef HAS_ARGBTOYROW_SSSE3
 
 // Constants for ARGB.
@@ skipping 1717 matching lines @@
 #endif  // HAS_ARGBTOYROW_SSSE3
 
 // Read 16 UV from 444
 #define READYUV444_AVX2 __asm {                                                \
     __asm vmovdqu    xmm0, [esi]                  /* U */                      \
     __asm vmovdqu    xmm1, [esi + edi]            /* V */                      \
     __asm lea        esi,  [esi + 16]                                          \
     __asm vpermq     ymm0, ymm0, 0xd8                                          \
     __asm vpermq     ymm1, ymm1, 0xd8                                          \
     __asm vpunpcklbw ymm0, ymm0, ymm1             /* UV */                     \
+    __asm vmovdqu    xmm4, [eax]                  /* Y */                      \
+    __asm lea        eax, [eax + 16]                                           \
   }
 
 // Read 8 UV from 422, upsample to 16 UV.
 #define READYUV422_AVX2 __asm {                                                \
     __asm vmovq      xmm0, qword ptr [esi]        /* U */                      \
     __asm vmovq      xmm1, qword ptr [esi + edi]  /* V */                      \
     __asm lea        esi,  [esi + 8]                                           \
     __asm vpunpcklbw ymm0, ymm0, ymm1             /* UV */                     \
     __asm vpermq     ymm0, ymm0, 0xd8                                          \
     __asm vpunpcklwd ymm0, ymm0, ymm0             /* UVUV (upsample) */        \
+    __asm vmovdqu    xmm4, [eax]                  /* Y */                      \
+    __asm lea        eax, [eax + 16]                                           \
   }
 
 // Read 4 UV from 411, upsample to 16 UV.
 #define READYUV411_AVX2 __asm {                                                \
     __asm vmovd      xmm0, dword ptr [esi]        /* U */                      \
     __asm vmovd      xmm1, dword ptr [esi + edi]  /* V */                      \
     __asm lea        esi,  [esi + 4]                                           \
     __asm vpunpcklbw ymm0, ymm0, ymm1             /* UV */                     \
     __asm vpunpcklwd ymm0, ymm0, ymm0             /* UVUV (upsample) */        \
     __asm vpermq     ymm0, ymm0, 0xd8                                          \
     __asm vpunpckldq ymm0, ymm0, ymm0             /* UVUVUVUV (upsample) */    \
+    __asm vmovdqu    xmm4, [eax]                  /* Y */                      \
+    __asm lea        eax, [eax + 16]                                           \
   }
 
 // Read 8 UV from NV12, upsample to 16 UV.
 #define READNV12_AVX2 __asm {                                                  \
     __asm vmovdqu    xmm0, [esi]                  /* UV */                     \
     __asm lea        esi,  [esi + 16]                                          \
     __asm vpermq     ymm0, ymm0, 0xd8                                          \
     __asm vpunpcklwd ymm0, ymm0, ymm0             /* UVUV (upsample) */        \
+    __asm vmovdqu    xmm4, [eax]                  /* Y */                      \
+    __asm lea        eax, [eax + 16]                                           \
   }
 
 // Convert 16 pixels: 16 UV and 16 Y.
 #define YUVTORGB_AVX2(YuvConstants) __asm {                                    \
     __asm vpmaddubsw ymm2, ymm0, ymmword ptr [YuvConstants + KUVTOR] /* R UV */\
     __asm vpmaddubsw ymm1, ymm0, ymmword ptr [YuvConstants + KUVTOG] /* G UV */\
     __asm vpmaddubsw ymm0, ymm0, ymmword ptr [YuvConstants + KUVTOB] /* B UV */\
     __asm vmovdqu    ymm3, ymmword ptr [YuvConstants + KUVBIASR]               \
     __asm vpsubw     ymm2, ymm3, ymm2                                          \
     __asm vmovdqu    ymm3, ymmword ptr [YuvConstants + KUVBIASG]               \
     __asm vpsubw     ymm1, ymm3, ymm1                                          \
     __asm vmovdqu    ymm3, ymmword ptr [YuvConstants + KUVBIASB]               \
     __asm vpsubw     ymm0, ymm3, ymm0                                          \
     /* Step 2: Find Y contribution to 16 R,G,B values */                       \
-    __asm vmovdqu    xmm3, [eax]                                               \
-    __asm lea        eax, [eax + 16]                                           \
-    __asm vpermq     ymm3, ymm3, 0xd8                                          \
-    __asm vpunpcklbw ymm3, ymm3, ymm3                                          \
-    __asm vpmulhuw   ymm3, ymm3, ymmword ptr [YuvConstants + KYTORGB]          \
-    __asm vpaddsw    ymm0, ymm0, ymm3           /* B += Y */                   \
-    __asm vpaddsw    ymm1, ymm1, ymm3           /* G += Y */                   \
-    __asm vpaddsw    ymm2, ymm2, ymm3           /* R += Y */                   \
+    __asm vpermq     ymm4, ymm4, 0xd8                                          \
+    __asm vpunpcklbw ymm4, ymm4, ymm4                                          \
+    __asm vpmulhuw   ymm4, ymm4, ymmword ptr [YuvConstants + KYTORGB]          \
+    __asm vpaddsw    ymm0, ymm0, ymm4           /* B += Y */                   \
+    __asm vpaddsw    ymm1, ymm1, ymm4           /* G += Y */                   \
+    __asm vpaddsw    ymm2, ymm2, ymm4           /* R += Y */                   \
     __asm vpsraw     ymm0, ymm0, 6                                             \
     __asm vpsraw     ymm1, ymm1, 6                                             \
     __asm vpsraw     ymm2, ymm2, 6                                             \
     __asm vpackuswb  ymm0, ymm0, ymm0           /* B */                        \
     __asm vpackuswb  ymm1, ymm1, ymm1           /* G */                        \
     __asm vpackuswb  ymm2, ymm2, ymm2           /* R */                        \
   }
 
 // Store 16 ARGB values.
 #define STOREARGB_AVX2 __asm {                                                 \
@@ skipping 363 matching lines @@
 
 #if defined(HAS_I422TOARGBROW_SSSE3)
 // TODO(fbarchard): Read that does half size on Y and treats 420 as 444.
 
 // Read 8 UV from 444.
 #define READYUV444 __asm {                                                     \
     __asm movq       xmm0, qword ptr [esi] /* U */                             \
     __asm movq       xmm1, qword ptr [esi + edi] /* V */                       \
     __asm lea        esi,  [esi + 8]                                           \
     __asm punpcklbw  xmm0, xmm1           /* UV */                             \
+    __asm movq       xmm4, qword ptr [eax]                                     \
+    __asm lea        eax, [eax + 8]                                            \
   }
 
 // Read 4 UV from 422, upsample to 8 UV.
 #define READYUV422 __asm {                                                     \
     __asm movd       xmm0, [esi]          /* U */                              \
     __asm movd       xmm1, [esi + edi]    /* V */                              \
     __asm lea        esi,  [esi + 4]                                           \
     __asm punpcklbw  xmm0, xmm1           /* UV */                             \
     __asm punpcklwd  xmm0, xmm0           /* UVUV (upsample) */                \
+    __asm movq       xmm4, qword ptr [eax]                                     \
+    __asm lea        eax, [eax + 8]                                            \
   }
 
 // Read 2 UV from 411, upsample to 8 UV.
 #define READYUV411 __asm {                                                     \
     __asm pinsrw     xmm0, [esi], 0        /* U */                             \
     __asm pinsrw     xmm1, [esi + edi], 0  /* V */                             \
     __asm lea        esi,  [esi + 2]                                           \
     __asm punpcklbw  xmm0, xmm1            /* UV */                            \
     __asm punpcklwd  xmm0, xmm0            /* UVUV (upsample) */               \
     __asm punpckldq  xmm0, xmm0            /* UVUVUVUV (upsample) */           \
+    __asm movq       xmm4, qword ptr [eax]                                     \
+    __asm lea        eax, [eax + 8]                                            \
   }
 
 // Read 4 UV from NV12, upsample to 8 UV.
 #define READNV12 __asm {                                                       \
     __asm movq       xmm0, qword ptr [esi] /* UV */                            \
     __asm lea        esi,  [esi + 8]                                           \
     __asm punpcklwd  xmm0, xmm0           /* UVUV (upsample) */                \
+    __asm movq       xmm4, qword ptr [eax]                                     \
+    __asm lea        eax, [eax + 8]                                            \
   }
 
 // Convert 8 pixels: 8 UV and 8 Y.
 #define YUVTORGB(YuvConstants) __asm {                                         \
     __asm movdqa     xmm1, xmm0                                                \
     __asm movdqa     xmm2, xmm0                                                \
     __asm movdqa     xmm3, xmm0                                                \
     __asm movdqa     xmm0, xmmword ptr [YuvConstants + KUVBIASB]               \
     __asm pmaddubsw  xmm1, xmmword ptr [YuvConstants + KUVTOB]                 \
     __asm psubw      xmm0, xmm1                                                \
     __asm movdqa     xmm1, xmmword ptr [YuvConstants + KUVBIASG]               \
     __asm pmaddubsw  xmm2, xmmword ptr [YuvConstants + KUVTOG]                 \
     __asm psubw      xmm1, xmm2                                                \
     __asm movdqa     xmm2, xmmword ptr [YuvConstants + KUVBIASR]               \
     __asm pmaddubsw  xmm3, xmmword ptr [YuvConstants + KUVTOR]                 \
     __asm psubw      xmm2, xmm3                                                \
-    __asm movq       xmm3, qword ptr [eax]                                     \
-    __asm lea        eax, [eax + 8]                                            \
-    __asm punpcklbw  xmm3, xmm3                                                \
-    __asm pmulhuw    xmm3, xmmword ptr [YuvConstants + KYTORGB]                \
-    __asm paddsw     xmm0, xmm3           /* B += Y */                         \
-    __asm paddsw     xmm1, xmm3           /* G += Y */                         \
-    __asm paddsw     xmm2, xmm3           /* R += Y */                         \
+    __asm punpcklbw  xmm4, xmm4                                                \
+    __asm pmulhuw    xmm4, xmmword ptr [YuvConstants + KYTORGB]                \
+    __asm paddsw     xmm0, xmm4           /* B += Y */                         \
+    __asm paddsw     xmm1, xmm4           /* G += Y */                         \
+    __asm paddsw     xmm2, xmm4           /* R += Y */                         \
     __asm psraw      xmm0, 6                                                   \
     __asm psraw      xmm1, 6                                                   \
     __asm psraw      xmm2, 6                                                   \
     __asm packuswb   xmm0, xmm0           /* B */                              \
     __asm packuswb   xmm1, xmm1           /* G */                              \
     __asm packuswb   xmm2, xmm2           /* R */                              \
   }
 
 // Store 8 ARGB values.
 #define STOREARGB __asm {                                                      \
@@ skipping 3912 matching lines @@
 }
 #endif  // HAS_ARGBLUMACOLORTABLEROW_SSSE3
 
 #endif  // defined(_M_X64)
 #endif  // !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) || defined(_M_X64))
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif