diff options
Diffstat (limited to 'third_party/libyuv/source/row_neon64.cc')
| -rw-r--r-- | third_party/libyuv/source/row_neon64.cc | 4343 |
1 files changed, 2209 insertions, 2134 deletions
diff --git a/third_party/libyuv/source/row_neon64.cc b/third_party/libyuv/source/row_neon64.cc index 6375d4f55..24b4520ba 100644 --- a/third_party/libyuv/source/row_neon64.cc +++ b/third_party/libyuv/source/row_neon64.cc @@ -19,118 +19,103 @@ extern "C" { #if !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__) // Read 8 Y, 4 U and 4 V from 422 -#define READYUV422 \ - MEMACCESS(0) \ - "ld1 {v0.8b}, [%0], #8 \n" \ - MEMACCESS(1) \ - "ld1 {v1.s}[0], [%1], #4 \n" \ - MEMACCESS(2) \ - "ld1 {v1.s}[1], [%2], #4 \n" - -// Read 8 Y, 2 U and 2 V from 422 -#define READYUV411 \ - MEMACCESS(0) \ - "ld1 {v0.8b}, [%0], #8 \n" \ - MEMACCESS(1) \ - "ld1 {v2.h}[0], [%1], #2 \n" \ - MEMACCESS(2) \ - "ld1 {v2.h}[1], [%2], #2 \n" \ - "zip1 v1.8b, v2.8b, v2.8b \n" +#define READYUV422 \ + "ld1 {v0.8b}, [%0], #8 \n" \ + "ld1 {v1.s}[0], [%1], #4 \n" \ + "ld1 {v1.s}[1], [%2], #4 \n" // Read 8 Y, 8 U and 8 V from 444 -#define READYUV444 \ - MEMACCESS(0) \ - "ld1 {v0.8b}, [%0], #8 \n" \ - MEMACCESS(1) \ - "ld1 {v1.d}[0], [%1], #8 \n" \ - MEMACCESS(2) \ - "ld1 {v1.d}[1], [%2], #8 \n" \ - "uaddlp v1.8h, v1.16b \n" \ - "rshrn v1.8b, v1.8h, #1 \n" +#define READYUV444 \ + "ld1 {v0.8b}, [%0], #8 \n" \ + "ld1 {v1.d}[0], [%1], #8 \n" \ + "ld1 {v1.d}[1], [%2], #8 \n" \ + "uaddlp v1.8h, v1.16b \n" \ + "rshrn v1.8b, v1.8h, #1 \n" // Read 8 Y, and set 4 U and 4 V to 128 -#define READYUV400 \ - MEMACCESS(0) \ - "ld1 {v0.8b}, [%0], #8 \n" \ - "movi v1.8b , #128 \n" +#define READYUV400 \ + "ld1 {v0.8b}, [%0], #8 \n" \ + "movi v1.8b , #128 \n" // Read 8 Y and 4 UV from NV12 -#define READNV12 \ - MEMACCESS(0) \ - "ld1 {v0.8b}, [%0], #8 \n" \ - MEMACCESS(1) \ - "ld1 {v2.8b}, [%1], #8 \n" \ - "uzp1 v1.8b, v2.8b, v2.8b \n" \ - "uzp2 v3.8b, v2.8b, v2.8b \n" \ - "ins v1.s[1], v3.s[0] \n" +#define READNV12 \ + "ld1 {v0.8b}, [%0], #8 \n" \ + "ld1 {v2.8b}, [%1], #8 \n" \ + "uzp1 v1.8b, v2.8b, v2.8b \n" \ + "uzp2 v3.8b, v2.8b, v2.8b \n" \ + "ins v1.s[1], v3.s[0] \n" // Read 8 Y and 4 VU from NV21 -#define READNV21 \ - MEMACCESS(0) \ - "ld1 {v0.8b}, [%0], #8 \n" \ - MEMACCESS(1) \ - "ld1 {v2.8b}, [%1], #8 \n" \ - "uzp1 v3.8b, v2.8b, v2.8b \n" \ - "uzp2 v1.8b, v2.8b, v2.8b \n" \ - "ins v1.s[1], v3.s[0] \n" +#define READNV21 \ + "ld1 {v0.8b}, [%0], #8 \n" \ + "ld1 {v2.8b}, [%1], #8 \n" \ + "uzp1 v3.8b, v2.8b, v2.8b \n" \ + "uzp2 v1.8b, v2.8b, v2.8b \n" \ + "ins v1.s[1], v3.s[0] \n" // Read 8 YUY2 -#define READYUY2 \ - MEMACCESS(0) \ - "ld2 {v0.8b, v1.8b}, [%0], #16 \n" \ - "uzp2 v3.8b, v1.8b, v1.8b \n" \ - "uzp1 v1.8b, v1.8b, v1.8b \n" \ - "ins v1.s[1], v3.s[0] \n" +#define READYUY2 \ + "ld2 {v0.8b, v1.8b}, [%0], #16 \n" \ + "uzp2 v3.8b, v1.8b, v1.8b \n" \ + "uzp1 v1.8b, v1.8b, v1.8b \n" \ + "ins v1.s[1], v3.s[0] \n" // Read 8 UYVY -#define READUYVY \ - MEMACCESS(0) \ - "ld2 {v2.8b, v3.8b}, [%0], #16 \n" \ - "orr v0.8b, v3.8b, v3.8b \n" \ - "uzp1 v1.8b, v2.8b, v2.8b \n" \ - "uzp2 v3.8b, v2.8b, v2.8b \n" \ - "ins v1.s[1], v3.s[0] \n" - -#define YUVTORGB_SETUP \ - "ld1r {v24.8h}, [%[kUVBiasBGR]], #2 \n" \ - "ld1r {v25.8h}, [%[kUVBiasBGR]], #2 \n" \ - "ld1r {v26.8h}, [%[kUVBiasBGR]] \n" \ - "ld1r {v31.4s}, [%[kYToRgb]] \n" \ - "ld2 {v27.8h, v28.8h}, [%[kUVToRB]] \n" \ - "ld2 {v29.8h, v30.8h}, [%[kUVToG]] \n" - -#define YUVTORGB(vR, vG, vB) \ - "uxtl v0.8h, v0.8b \n" /* Extract Y */ \ - "shll v2.8h, v1.8b, #8 \n" /* Replicate UV */ \ - "ushll2 v3.4s, v0.8h, #0 \n" /* Y */ \ - "ushll v0.4s, v0.4h, #0 \n" \ - "mul v3.4s, v3.4s, v31.4s \n" \ - "mul v0.4s, v0.4s, v31.4s \n" \ - "sqshrun v0.4h, v0.4s, #16 \n" \ - "sqshrun2 v0.8h, v3.4s, #16 \n" /* Y */ \ - "uaddw v1.8h, v2.8h, v1.8b \n" /* Replicate UV */ \ - "mov v2.d[0], v1.d[1] \n" /* Extract V */ \ - "uxtl v2.8h, v2.8b \n" \ - "uxtl v1.8h, v1.8b \n" /* Extract U */ \ - "mul v3.8h, v1.8h, v27.8h \n" \ - "mul v5.8h, v1.8h, v29.8h \n" \ - "mul v6.8h, v2.8h, v30.8h \n" \ - "mul v7.8h, v2.8h, v28.8h \n" \ - "sqadd v6.8h, v6.8h, v5.8h \n" \ - "sqadd " #vB ".8h, v24.8h, v0.8h \n" /* B */ \ - "sqadd " #vG ".8h, v25.8h, v0.8h \n" /* G */ \ - "sqadd " #vR ".8h, v26.8h, v0.8h \n" /* R */ \ - "sqadd " #vB ".8h, " #vB ".8h, v3.8h \n" /* B */ \ - "sqsub " #vG ".8h, " #vG ".8h, v6.8h \n" /* G */ \ - "sqadd " #vR ".8h, " #vR ".8h, v7.8h \n" /* R */ \ - "sqshrun " #vB ".8b, " #vB ".8h, #6 \n" /* B */ \ - "sqshrun " #vG ".8b, " #vG ".8h, #6 \n" /* G */ \ - "sqshrun " #vR ".8b, " #vR ".8h, #6 \n" /* R */ \ - -void I444ToARGBRow_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_argb, +#define READUYVY \ + "ld2 {v2.8b, v3.8b}, [%0], #16 \n" \ + "orr v0.8b, v3.8b, v3.8b \n" \ + "uzp1 v1.8b, v2.8b, v2.8b \n" \ + "uzp2 v3.8b, v2.8b, v2.8b \n" \ + "ins v1.s[1], v3.s[0] \n" + +#define YUVTORGB_SETUP \ + "ld1r {v24.8h}, [%[kUVBiasBGR]], #2 \n" \ + "ld1r {v25.8h}, [%[kUVBiasBGR]], #2 \n" \ + "ld1r {v26.8h}, [%[kUVBiasBGR]] \n" \ + "ld1r {v31.4s}, [%[kYToRgb]] \n" \ + "ld2 {v27.8h, v28.8h}, [%[kUVToRB]] \n" \ + "ld2 {v29.8h, v30.8h}, [%[kUVToG]] \n" + +#define YUVTORGB(vR, vG, vB) \ + "uxtl v0.8h, v0.8b \n" /* Extract Y */ \ + "shll v2.8h, v1.8b, #8 \n" /* Replicate UV */ \ + "ushll2 v3.4s, v0.8h, #0 \n" /* Y */ \ + "ushll v0.4s, v0.4h, #0 \n" \ + "mul v3.4s, v3.4s, v31.4s \n" \ + "mul v0.4s, v0.4s, v31.4s \n" \ + "sqshrun v0.4h, v0.4s, #16 \n" \ + "sqshrun2 v0.8h, v3.4s, #16 \n" /* Y */ \ + "uaddw v1.8h, v2.8h, v1.8b \n" /* Replicate UV */ \ + "mov v2.d[0], v1.d[1] \n" /* Extract V */ \ + "uxtl v2.8h, v2.8b \n" \ + "uxtl v1.8h, v1.8b \n" /* Extract U */ \ + "mul v3.8h, v1.8h, v27.8h \n" \ + "mul v5.8h, v1.8h, v29.8h \n" \ + "mul v6.8h, v2.8h, v30.8h \n" \ + "mul v7.8h, v2.8h, v28.8h \n" \ + "sqadd v6.8h, v6.8h, v5.8h \n" \ + "sqadd " #vB \ + ".8h, v24.8h, v0.8h \n" /* B */ \ + "sqadd " #vG \ + ".8h, v25.8h, v0.8h \n" /* G */ \ + "sqadd " #vR \ + ".8h, v26.8h, v0.8h \n" /* R */ \ + "sqadd " #vB ".8h, " #vB \ + ".8h, v3.8h \n" /* B */ \ + "sqsub " #vG ".8h, " #vG \ + ".8h, v6.8h \n" /* G */ \ + "sqadd " #vR ".8h, " #vR \ + ".8h, v7.8h \n" /* R */ \ + "sqshrun " #vB ".8b, " #vB \ + ".8h, #6 \n" /* B */ \ + "sqshrun " #vG ".8b, " #vG \ + ".8h, #6 \n" /* G */ \ + "sqshrun " #vR ".8b, " #vR ".8h, #6 \n" /* R */ + +void I444ToARGBRow_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -140,7 +125,6 @@ void I444ToARGBRow_NEON(const uint8* src_y, READYUV444 YUVTORGB(v22, v21, v20) "subs %w4, %w4, #8 \n" - MEMACCESS(3) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%3], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -157,10 +141,10 @@ void I444ToARGBRow_NEON(const uint8* src_y, ); } -void I422ToARGBRow_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_argb, +void I422ToARGBRow_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -170,7 +154,6 @@ void I422ToARGBRow_NEON(const uint8* src_y, READYUV422 YUVTORGB(v22, v21, v20) "subs %w4, %w4, #8 \n" - MEMACCESS(3) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%3], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -187,11 +170,11 @@ void I422ToARGBRow_NEON(const uint8* src_y, ); } -void I422AlphaToARGBRow_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - const uint8* src_a, - uint8* dst_argb, +void I422AlphaToARGBRow_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + const uint8_t* src_a, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -199,10 +182,8 @@ void I422AlphaToARGBRow_NEON(const uint8* src_y, "1: \n" READYUV422 YUVTORGB(v22, v21, v20) - MEMACCESS(3) "ld1 {v23.8b}, [%3], #8 \n" "subs %w5, %w5, #8 \n" - MEMACCESS(4) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%4], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -220,40 +201,10 @@ void I422AlphaToARGBRow_NEON(const uint8* src_y, ); } -void I411ToARGBRow_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_argb, - const struct YuvConstants* yuvconstants, - int width) { - asm volatile ( - YUVTORGB_SETUP - "movi v23.8b, #255 \n" /* A */ - "1: \n" - READYUV411 - YUVTORGB(v22, v21, v20) - "subs %w4, %w4, #8 \n" - MEMACCESS(3) - "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%3], #32 \n" - "b.gt 1b \n" - : "+r"(src_y), // %0 - "+r"(src_u), // %1 - "+r"(src_v), // %2 - "+r"(dst_argb), // %3 - "+r"(width) // %4 - : [kUVToRB]"r"(&yuvconstants->kUVToRB), - [kUVToG]"r"(&yuvconstants->kUVToG), - [kUVBiasBGR]"r"(&yuvconstants->kUVBiasBGR), - [kYToRgb]"r"(&yuvconstants->kYToRgb) - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", - "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30" - ); -} - -void I422ToRGBARow_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_rgba, +void I422ToRGBARow_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_rgba, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -263,7 +214,6 @@ void I422ToRGBARow_NEON(const uint8* src_y, READYUV422 YUVTORGB(v23, v22, v21) "subs %w4, %w4, #8 \n" - MEMACCESS(3) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%3], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -280,10 +230,10 @@ void I422ToRGBARow_NEON(const uint8* src_y, ); } -void I422ToRGB24Row_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_rgb24, +void I422ToRGB24Row_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_rgb24, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -292,7 +242,6 @@ void I422ToRGB24Row_NEON(const uint8* src_y, READYUV422 YUVTORGB(v22, v21, v20) "subs %w4, %w4, #8 \n" - MEMACCESS(3) "st3 {v20.8b,v21.8b,v22.8b}, [%3], #24 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -309,97 +258,91 @@ void I422ToRGB24Row_NEON(const uint8* src_y, ); } -#define ARGBTORGB565 \ - "shll v0.8h, v22.8b, #8 \n" /* R */ \ - "shll v21.8h, v21.8b, #8 \n" /* G */ \ - "shll v20.8h, v20.8b, #8 \n" /* B */ \ - "sri v0.8h, v21.8h, #5 \n" /* RG */ \ - "sri v0.8h, v20.8h, #11 \n" /* RGB */ +#define ARGBTORGB565 \ + "shll v0.8h, v22.8b, #8 \n" /* R */ \ + "shll v21.8h, v21.8b, #8 \n" /* G */ \ + "shll v20.8h, v20.8b, #8 \n" /* B */ \ + "sri v0.8h, v21.8h, #5 \n" /* RG */ \ + "sri v0.8h, v20.8h, #11 \n" /* RGB */ -void I422ToRGB565Row_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_rgb565, +void I422ToRGB565Row_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_rgb565, const struct YuvConstants* yuvconstants, int width) { - asm volatile ( - YUVTORGB_SETUP - "1: \n" - READYUV422 - YUVTORGB(v22, v21, v20) - "subs %w4, %w4, #8 \n" - ARGBTORGB565 - MEMACCESS(3) - "st1 {v0.8h}, [%3], #16 \n" // store 8 pixels RGB565. - "b.gt 1b \n" - : "+r"(src_y), // %0 - "+r"(src_u), // %1 - "+r"(src_v), // %2 - "+r"(dst_rgb565), // %3 - "+r"(width) // %4 - : [kUVToRB]"r"(&yuvconstants->kUVToRB), - [kUVToG]"r"(&yuvconstants->kUVToG), - [kUVBiasBGR]"r"(&yuvconstants->kUVBiasBGR), - [kYToRgb]"r"(&yuvconstants->kYToRgb) - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", - "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30" - ); -} - -#define ARGBTOARGB1555 \ - "shll v0.8h, v23.8b, #8 \n" /* A */ \ - "shll v22.8h, v22.8b, #8 \n" /* R */ \ - "shll v21.8h, v21.8b, #8 \n" /* G */ \ - "shll v20.8h, v20.8b, #8 \n" /* B */ \ - "sri v0.8h, v22.8h, #1 \n" /* AR */ \ - "sri v0.8h, v21.8h, #6 \n" /* ARG */ \ - "sri v0.8h, v20.8h, #11 \n" /* ARGB */ - -void I422ToARGB1555Row_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_argb1555, + asm volatile( + YUVTORGB_SETUP + "1: \n" READYUV422 YUVTORGB( + v22, v21, + v20) "subs %w4, %w4, #8 \n" ARGBTORGB565 + "st1 {v0.8h}, [%3], #16 \n" // store 8 pixels + // RGB565. + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(src_u), // %1 + "+r"(src_v), // %2 + "+r"(dst_rgb565), // %3 + "+r"(width) // %4 + : [kUVToRB] "r"(&yuvconstants->kUVToRB), + [kUVToG] "r"(&yuvconstants->kUVToG), + [kUVBiasBGR] "r"(&yuvconstants->kUVBiasBGR), + [kYToRgb] "r"(&yuvconstants->kYToRgb) + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", + "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30"); +} + +#define ARGBTOARGB1555 \ + "shll v0.8h, v23.8b, #8 \n" /* A */ \ + "shll v22.8h, v22.8b, #8 \n" /* R */ \ + "shll v21.8h, v21.8b, #8 \n" /* G */ \ + "shll v20.8h, v20.8b, #8 \n" /* B */ \ + "sri v0.8h, v22.8h, #1 \n" /* AR */ \ + "sri v0.8h, v21.8h, #6 \n" /* ARG */ \ + "sri v0.8h, v20.8h, #11 \n" /* ARGB */ + +void I422ToARGB1555Row_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_argb1555, const struct YuvConstants* yuvconstants, int width) { - asm volatile ( - YUVTORGB_SETUP - "movi v23.8b, #255 \n" - "1: \n" - READYUV422 - YUVTORGB(v22, v21, v20) - "subs %w4, %w4, #8 \n" - ARGBTOARGB1555 - MEMACCESS(3) - "st1 {v0.8h}, [%3], #16 \n" // store 8 pixels RGB565. - "b.gt 1b \n" - : "+r"(src_y), // %0 - "+r"(src_u), // %1 - "+r"(src_v), // %2 - "+r"(dst_argb1555), // %3 - "+r"(width) // %4 - : [kUVToRB]"r"(&yuvconstants->kUVToRB), - [kUVToG]"r"(&yuvconstants->kUVToG), - [kUVBiasBGR]"r"(&yuvconstants->kUVBiasBGR), - [kYToRgb]"r"(&yuvconstants->kYToRgb) - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", - "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30" - ); -} - -#define ARGBTOARGB4444 \ - /* Input v20.8b<=B, v21.8b<=G, v22.8b<=R, v23.8b<=A, v4.8b<=0x0f */ \ - "ushr v20.8b, v20.8b, #4 \n" /* B */ \ - "bic v21.8b, v21.8b, v4.8b \n" /* G */ \ - "ushr v22.8b, v22.8b, #4 \n" /* R */ \ - "bic v23.8b, v23.8b, v4.8b \n" /* A */ \ - "orr v0.8b, v20.8b, v21.8b \n" /* BG */ \ - "orr v1.8b, v22.8b, v23.8b \n" /* RA */ \ - "zip1 v0.16b, v0.16b, v1.16b \n" /* BGRA */ - -void I422ToARGB4444Row_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_argb4444, + asm volatile( + YUVTORGB_SETUP + "movi v23.8b, #255 \n" + "1: \n" READYUV422 YUVTORGB( + v22, v21, + v20) "subs %w4, %w4, #8 \n" ARGBTOARGB1555 + "st1 {v0.8h}, [%3], #16 \n" // store 8 pixels + // RGB565. + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(src_u), // %1 + "+r"(src_v), // %2 + "+r"(dst_argb1555), // %3 + "+r"(width) // %4 + : [kUVToRB] "r"(&yuvconstants->kUVToRB), + [kUVToG] "r"(&yuvconstants->kUVToG), + [kUVBiasBGR] "r"(&yuvconstants->kUVBiasBGR), + [kYToRgb] "r"(&yuvconstants->kYToRgb) + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", + "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30"); +} + +#define ARGBTOARGB4444 \ + /* Input v20.8b<=B, v21.8b<=G, v22.8b<=R, v23.8b<=A, v4.8b<=0x0f */ \ + "ushr v20.8b, v20.8b, #4 \n" /* B */ \ + "bic v21.8b, v21.8b, v4.8b \n" /* G */ \ + "ushr v22.8b, v22.8b, #4 \n" /* R */ \ + "bic v23.8b, v23.8b, v4.8b \n" /* A */ \ + "orr v0.8b, v20.8b, v21.8b \n" /* BG */ \ + "orr v1.8b, v22.8b, v23.8b \n" /* RA */ \ + "zip1 v0.16b, v0.16b, v1.16b \n" /* BGRA */ + +void I422ToARGB4444Row_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_argb4444, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -411,7 +354,6 @@ void I422ToARGB4444Row_NEON(const uint8* src_y, "subs %w4, %w4, #8 \n" "movi v23.8b, #255 \n" ARGBTOARGB4444 - MEMACCESS(3) "st1 {v0.8h}, [%3], #16 \n" // store 8 pixels ARGB4444. "b.gt 1b \n" : "+r"(src_y), // %0 @@ -428,9 +370,7 @@ void I422ToARGB4444Row_NEON(const uint8* src_y, ); } -void I400ToARGBRow_NEON(const uint8* src_y, - uint8* dst_argb, - int width) { +void I400ToARGBRow_NEON(const uint8_t* src_y, uint8_t* dst_argb, int width) { asm volatile ( YUVTORGB_SETUP "movi v23.8b, #255 \n" @@ -438,7 +378,6 @@ void I400ToARGBRow_NEON(const uint8* src_y, READYUV400 YUVTORGB(v22, v21, v20) "subs %w2, %w2, #8 \n" - MEMACCESS(1) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -453,31 +392,26 @@ void I400ToARGBRow_NEON(const uint8* src_y, ); } -void J400ToARGBRow_NEON(const uint8* src_y, - uint8* dst_argb, - int width) { - asm volatile ( - "movi v23.8b, #255 \n" - "1: \n" - MEMACCESS(0) - "ld1 {v20.8b}, [%0], #8 \n" - "orr v21.8b, v20.8b, v20.8b \n" - "orr v22.8b, v20.8b, v20.8b \n" - "subs %w2, %w2, #8 \n" - MEMACCESS(1) - "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], #32 \n" - "b.gt 1b \n" - : "+r"(src_y), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v20", "v21", "v22", "v23" - ); +void J400ToARGBRow_NEON(const uint8_t* src_y, uint8_t* dst_argb, int width) { + asm volatile( + "movi v23.8b, #255 \n" + "1: \n" + "ld1 {v20.8b}, [%0], #8 \n" + "orr v21.8b, v20.8b, v20.8b \n" + "orr v22.8b, v20.8b, v20.8b \n" + "subs %w2, %w2, #8 \n" + "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], #32 \n" + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v20", "v21", "v22", "v23"); } -void NV12ToARGBRow_NEON(const uint8* src_y, - const uint8* src_uv, - uint8* dst_argb, +void NV12ToARGBRow_NEON(const uint8_t* src_y, + const uint8_t* src_uv, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -487,7 +421,6 @@ void NV12ToARGBRow_NEON(const uint8* src_y, READNV12 YUVTORGB(v22, v21, v20) "subs %w3, %w3, #8 \n" - MEMACCESS(2) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%2], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -503,9 +436,9 @@ void NV12ToARGBRow_NEON(const uint8* src_y, ); } -void NV21ToARGBRow_NEON(const uint8* src_y, - const uint8* src_vu, - uint8* dst_argb, +void NV21ToARGBRow_NEON(const uint8_t* src_y, + const uint8_t* src_vu, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -515,7 +448,6 @@ void NV21ToARGBRow_NEON(const uint8* src_y, READNV21 YUVTORGB(v22, v21, v20) "subs %w3, %w3, #8 \n" - MEMACCESS(2) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%2], #32 \n" "b.gt 1b \n" : "+r"(src_y), // %0 @@ -531,24 +463,22 @@ void NV21ToARGBRow_NEON(const uint8* src_y, ); } -void NV12ToRGB565Row_NEON(const uint8* src_y, - const uint8* src_uv, - uint8* dst_rgb565, - const struct YuvConstants* yuvconstants, - int width) { +void NV12ToRGB24Row_NEON(const uint8_t* src_y, + const uint8_t* src_uv, + uint8_t* dst_rgb24, + const struct YuvConstants* yuvconstants, + int width) { asm volatile ( YUVTORGB_SETUP "1: \n" READNV12 YUVTORGB(v22, v21, v20) "subs %w3, %w3, #8 \n" - ARGBTORGB565 - MEMACCESS(2) - "st1 {v0.8h}, [%2], 16 \n" // store 8 pixels RGB565. + "st3 {v20.8b,v21.8b,v22.8b}, [%2], #24 \n" "b.gt 1b \n" : "+r"(src_y), // %0 "+r"(src_uv), // %1 - "+r"(dst_rgb565), // %2 + "+r"(dst_rgb24), // %2 "+r"(width) // %3 : [kUVToRB]"r"(&yuvconstants->kUVToRB), [kUVToG]"r"(&yuvconstants->kUVToG), @@ -559,8 +489,59 @@ void NV12ToRGB565Row_NEON(const uint8* src_y, ); } -void YUY2ToARGBRow_NEON(const uint8* src_yuy2, - uint8* dst_argb, +void NV21ToRGB24Row_NEON(const uint8_t* src_y, + const uint8_t* src_vu, + uint8_t* dst_rgb24, + const struct YuvConstants* yuvconstants, + int width) { + asm volatile ( + YUVTORGB_SETUP + "1: \n" + READNV21 + YUVTORGB(v22, v21, v20) + "subs %w3, %w3, #8 \n" + "st3 {v20.8b,v21.8b,v22.8b}, [%2], #24 \n" + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(src_vu), // %1 + "+r"(dst_rgb24), // %2 + "+r"(width) // %3 + : [kUVToRB]"r"(&yuvconstants->kUVToRB), + [kUVToG]"r"(&yuvconstants->kUVToG), + [kUVBiasBGR]"r"(&yuvconstants->kUVBiasBGR), + [kYToRgb]"r"(&yuvconstants->kYToRgb) + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", + "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30" + ); +} + +void NV12ToRGB565Row_NEON(const uint8_t* src_y, + const uint8_t* src_uv, + uint8_t* dst_rgb565, + const struct YuvConstants* yuvconstants, + int width) { + asm volatile( + YUVTORGB_SETUP + "1: \n" READNV12 YUVTORGB( + v22, v21, + v20) "subs %w3, %w3, #8 \n" ARGBTORGB565 + "st1 {v0.8h}, [%2], 16 \n" // store 8 pixels + // RGB565. + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(src_uv), // %1 + "+r"(dst_rgb565), // %2 + "+r"(width) // %3 + : [kUVToRB] "r"(&yuvconstants->kUVToRB), + [kUVToG] "r"(&yuvconstants->kUVToG), + [kUVBiasBGR] "r"(&yuvconstants->kUVBiasBGR), + [kYToRgb] "r"(&yuvconstants->kYToRgb) + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", + "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30"); +} + +void YUY2ToARGBRow_NEON(const uint8_t* src_yuy2, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -570,7 +551,6 @@ void YUY2ToARGBRow_NEON(const uint8* src_yuy2, READYUY2 YUVTORGB(v22, v21, v20) "subs %w2, %w2, #8 \n" - MEMACCESS(1) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], #32 \n" "b.gt 1b \n" : "+r"(src_yuy2), // %0 @@ -585,8 +565,8 @@ void YUY2ToARGBRow_NEON(const uint8* src_yuy2, ); } -void UYVYToARGBRow_NEON(const uint8* src_uyvy, - uint8* dst_argb, +void UYVYToARGBRow_NEON(const uint8_t* src_uyvy, + uint8_t* dst_argb, const struct YuvConstants* yuvconstants, int width) { asm volatile ( @@ -596,7 +576,6 @@ void UYVYToARGBRow_NEON(const uint8* src_uyvy, READUYVY YUVTORGB(v22, v21, v20) "subs %w2, %w2, #8 \n" - MEMACCESS(1) "st4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], 32 \n" "b.gt 1b \n" : "+r"(src_uyvy), // %0 @@ -612,869 +591,819 @@ void UYVYToARGBRow_NEON(const uint8* src_uyvy, } // Reads 16 pairs of UV and write even values to dst_u and odd to dst_v. -void SplitUVRow_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, +void SplitUVRow_NEON(const uint8_t* src_uv, + uint8_t* dst_u, + uint8_t* dst_v, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pairs of UV - "subs %w3, %w3, #16 \n" // 16 processed per loop - MEMACCESS(1) - "st1 {v0.16b}, [%1], #16 \n" // store U - MEMACCESS(2) - "st1 {v1.16b}, [%2], #16 \n" // store V - "b.gt 1b \n" - : "+r"(src_uv), // %0 - "+r"(dst_u), // %1 - "+r"(dst_v), // %2 - "+r"(width) // %3 // Output registers - : // Input registers - : "cc", "memory", "v0", "v1" // Clobber List - ); + asm volatile( + "1: \n" + "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pairs of UV + "subs %w3, %w3, #16 \n" // 16 processed per loop + "st1 {v0.16b}, [%1], #16 \n" // store U + "st1 {v1.16b}, [%2], #16 \n" // store V + "b.gt 1b \n" + : "+r"(src_uv), // %0 + "+r"(dst_u), // %1 + "+r"(dst_v), // %2 + "+r"(width) // %3 // Output registers + : // Input registers + : "cc", "memory", "v0", "v1" // Clobber List + ); } // Reads 16 U's and V's and writes out 16 pairs of UV. -void MergeUVRow_NEON(const uint8* src_u, const uint8* src_v, uint8* dst_uv, +void MergeUVRow_NEON(const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_uv, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load U - MEMACCESS(1) - "ld1 {v1.16b}, [%1], #16 \n" // load V - "subs %w3, %w3, #16 \n" // 16 processed per loop - MEMACCESS(2) - "st2 {v0.16b,v1.16b}, [%2], #32 \n" // store 16 pairs of UV - "b.gt 1b \n" - : - "+r"(src_u), // %0 - "+r"(src_v), // %1 - "+r"(dst_uv), // %2 - "+r"(width) // %3 // Output registers - : // Input registers - : "cc", "memory", "v0", "v1" // Clobber List - ); -} - -// Copy multiple of 32. vld4.8 allow unaligned and is fastest on a15. -void CopyRow_NEON(const uint8* src, uint8* dst, int count) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld1 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 32 - "subs %w2, %w2, #32 \n" // 32 processed per loop - MEMACCESS(1) - "st1 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 32 - "b.gt 1b \n" - : "+r"(src), // %0 - "+r"(dst), // %1 - "+r"(count) // %2 // Output registers - : // Input registers - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); -} - -// SetRow writes 'count' bytes using an 8 bit value repeated. -void SetRow_NEON(uint8* dst, uint8 v8, int count) { - asm volatile ( - "dup v0.16b, %w2 \n" // duplicate 16 bytes - "1: \n" - "subs %w1, %w1, #16 \n" // 16 bytes per loop - MEMACCESS(0) - "st1 {v0.16b}, [%0], #16 \n" // store - "b.gt 1b \n" - : "+r"(dst), // %0 - "+r"(count) // %1 - : "r"(v8) // %2 - : "cc", "memory", "v0" - ); -} - -void ARGBSetRow_NEON(uint8* dst, uint32 v32, int count) { - asm volatile ( - "dup v0.4s, %w2 \n" // duplicate 4 ints - "1: \n" - "subs %w1, %w1, #4 \n" // 4 ints per loop - MEMACCESS(0) - "st1 {v0.16b}, [%0], #16 \n" // store - "b.gt 1b \n" - : "+r"(dst), // %0 - "+r"(count) // %1 - : "r"(v32) // %2 - : "cc", "memory", "v0" - ); -} - -void MirrorRow_NEON(const uint8* src, uint8* dst, int width) { - asm volatile ( - // Start at end of source row. - "add %0, %0, %w2, sxtw \n" - "sub %0, %0, #16 \n" - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], %3 \n" // src -= 16 - "subs %w2, %w2, #16 \n" // 16 pixels per loop. - "rev64 v0.16b, v0.16b \n" - MEMACCESS(1) - "st1 {v0.D}[1], [%1], #8 \n" // dst += 16 - MEMACCESS(1) - "st1 {v0.D}[0], [%1], #8 \n" - "b.gt 1b \n" - : "+r"(src), // %0 - "+r"(dst), // %1 - "+r"(width) // %2 - : "r"((ptrdiff_t)-16) // %3 - : "cc", "memory", "v0" - ); -} - -void MirrorUVRow_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, + asm volatile( + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load U + "ld1 {v1.16b}, [%1], #16 \n" // load V + "subs %w3, %w3, #16 \n" // 16 processed per loop + "st2 {v0.16b,v1.16b}, [%2], #32 \n" // store 16 pairs of UV + "b.gt 1b \n" + : "+r"(src_u), // %0 + "+r"(src_v), // %1 + "+r"(dst_uv), // %2 + "+r"(width) // %3 // Output registers + : // Input registers + : "cc", "memory", "v0", "v1" // Clobber List + ); +} + +// Reads 16 packed RGB and write to planar dst_r, dst_g, dst_b. +void SplitRGBRow_NEON(const uint8_t* src_rgb, + uint8_t* dst_r, + uint8_t* dst_g, + uint8_t* dst_b, int width) { - asm volatile ( - // Start at end of source row. - "add %0, %0, %w3, sxtw #1 \n" - "sub %0, %0, #16 \n" - "1: \n" - MEMACCESS(0) - "ld2 {v0.8b, v1.8b}, [%0], %4 \n" // src -= 16 - "subs %w3, %w3, #8 \n" // 8 pixels per loop. - "rev64 v0.8b, v0.8b \n" - "rev64 v1.8b, v1.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // dst += 8 - MEMACCESS(2) - "st1 {v1.8b}, [%2], #8 \n" - "b.gt 1b \n" - : "+r"(src_uv), // %0 - "+r"(dst_u), // %1 - "+r"(dst_v), // %2 - "+r"(width) // %3 - : "r"((ptrdiff_t)-16) // %4 - : "cc", "memory", "v0", "v1" - ); -} - -void ARGBMirrorRow_NEON(const uint8* src, uint8* dst, int width) { - asm volatile ( - // Start at end of source row. - "add %0, %0, %w2, sxtw #2 \n" - "sub %0, %0, #16 \n" - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], %3 \n" // src -= 16 - "subs %w2, %w2, #4 \n" // 4 pixels per loop. - "rev64 v0.4s, v0.4s \n" - MEMACCESS(1) - "st1 {v0.D}[1], [%1], #8 \n" // dst += 16 - MEMACCESS(1) - "st1 {v0.D}[0], [%1], #8 \n" - "b.gt 1b \n" - : "+r"(src), // %0 - "+r"(dst), // %1 - "+r"(width) // %2 - : "r"((ptrdiff_t)-16) // %3 - : "cc", "memory", "v0" - ); -} - -void RGB24ToARGBRow_NEON(const uint8* src_rgb24, uint8* dst_argb, int width) { - asm volatile ( - "movi v4.8b, #255 \n" // Alpha - "1: \n" - MEMACCESS(0) - "ld3 {v1.8b,v2.8b,v3.8b}, [%0], #24 \n" // load 8 pixels of RGB24. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - MEMACCESS(1) - "st4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%1], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_rgb24), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v1", "v2", "v3", "v4" // Clobber List - ); -} - -void RAWToARGBRow_NEON(const uint8* src_raw, uint8* dst_argb, int width) { - asm volatile ( - "movi v5.8b, #255 \n" // Alpha - "1: \n" - MEMACCESS(0) - "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // read r g b - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "orr v3.8b, v1.8b, v1.8b \n" // move g - "orr v4.8b, v0.8b, v0.8b \n" // move r - MEMACCESS(1) - "st4 {v2.8b,v3.8b,v4.8b,v5.8b}, [%1], #32 \n" // store b g r a - "b.gt 1b \n" - : "+r"(src_raw), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5" // Clobber List - ); -} - -void RAWToRGB24Row_NEON(const uint8* src_raw, uint8* dst_rgb24, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // read r g b - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "orr v3.8b, v1.8b, v1.8b \n" // move g - "orr v4.8b, v0.8b, v0.8b \n" // move r - MEMACCESS(1) - "st3 {v2.8b,v3.8b,v4.8b}, [%1], #24 \n" // store b g r - "b.gt 1b \n" - : "+r"(src_raw), // %0 - "+r"(dst_rgb24), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4" // Clobber List - ); -} - -#define RGB565TOARGB \ - "shrn v6.8b, v0.8h, #5 \n" /* G xxGGGGGG */ \ - "shl v6.8b, v6.8b, #2 \n" /* G GGGGGG00 upper 6 */ \ - "ushr v4.8b, v6.8b, #6 \n" /* G 000000GG lower 2 */ \ - "orr v1.8b, v4.8b, v6.8b \n" /* G */ \ - "xtn v2.8b, v0.8h \n" /* B xxxBBBBB */ \ - "ushr v0.8h, v0.8h, #11 \n" /* R 000RRRRR */ \ - "xtn2 v2.16b,v0.8h \n" /* R in upper part */ \ - "shl v2.16b, v2.16b, #3 \n" /* R,B BBBBB000 upper 5 */ \ - "ushr v0.16b, v2.16b, #5 \n" /* R,B 00000BBB lower 3 */ \ - "orr v0.16b, v0.16b, v2.16b \n" /* R,B */ \ - "dup v2.2D, v0.D[1] \n" /* R */ - -void RGB565ToARGBRow_NEON(const uint8* src_rgb565, uint8* dst_argb, int width) { - asm volatile ( - "movi v3.8b, #255 \n" // Alpha - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - RGB565TOARGB - MEMACCESS(1) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_rgb565), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v6" // Clobber List - ); -} - -#define ARGB1555TOARGB \ - "ushr v2.8h, v0.8h, #10 \n" /* R xxxRRRRR */ \ - "shl v2.8h, v2.8h, #3 \n" /* R RRRRR000 upper 5 */ \ - "xtn v3.8b, v2.8h \n" /* RRRRR000 AAAAAAAA */ \ - \ - "sshr v2.8h, v0.8h, #15 \n" /* A AAAAAAAA */ \ - "xtn2 v3.16b, v2.8h \n" \ - \ - "xtn v2.8b, v0.8h \n" /* B xxxBBBBB */ \ - "shrn2 v2.16b,v0.8h, #5 \n" /* G xxxGGGGG */ \ - \ - "ushr v1.16b, v3.16b, #5 \n" /* R,A 00000RRR lower 3 */ \ - "shl v0.16b, v2.16b, #3 \n" /* B,G BBBBB000 upper 5 */ \ - "ushr v2.16b, v0.16b, #5 \n" /* B,G 00000BBB lower 3 */ \ - \ - "orr v0.16b, v0.16b, v2.16b \n" /* B,G */ \ - "orr v2.16b, v1.16b, v3.16b \n" /* R,A */ \ - "dup v1.2D, v0.D[1] \n" \ - "dup v3.2D, v2.D[1] \n" + asm volatile( + "1: \n" + "ld3 {v0.16b,v1.16b,v2.16b}, [%0], #48 \n" // load 16 RGB + "subs %w4, %w4, #16 \n" // 16 processed per loop + "st1 {v0.16b}, [%1], #16 \n" // store R + "st1 {v1.16b}, [%2], #16 \n" // store G + "st1 {v2.16b}, [%3], #16 \n" // store B + "b.gt 1b \n" + : "+r"(src_rgb), // %0 + "+r"(dst_r), // %1 + "+r"(dst_g), // %2 + "+r"(dst_b), // %3 + "+r"(width) // %4 + : // Input registers + : "cc", "memory", "v0", "v1", "v2" // Clobber List + ); +} + +// Reads 16 planar R's, G's and B's and writes out 16 packed RGB at a time +void MergeRGBRow_NEON(const uint8_t* src_r, + const uint8_t* src_g, + const uint8_t* src_b, + uint8_t* dst_rgb, + int width) { + asm volatile( + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load R + "ld1 {v1.16b}, [%1], #16 \n" // load G + "ld1 {v2.16b}, [%2], #16 \n" // load B + "subs %w4, %w4, #16 \n" // 16 processed per loop + "st3 {v0.16b,v1.16b,v2.16b}, [%3], #48 \n" // store 16 RGB + "b.gt 1b \n" + : "+r"(src_r), // %0 + "+r"(src_g), // %1 + "+r"(src_b), // %2 + "+r"(dst_rgb), // %3 + "+r"(width) // %4 + : // Input registers + : "cc", "memory", "v0", "v1", "v2" // Clobber List + ); +} + +// Copy multiple of 32. +void CopyRow_NEON(const uint8_t* src, uint8_t* dst, int width) { + asm volatile( + "1: \n" + "ldp q0, q1, [%0], #32 \n" + "subs %w2, %w2, #32 \n" // 32 processed per loop + "stp q0, q1, [%1], #32 \n" + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 // Output registers + : // Input registers + : "cc", "memory", "v0", "v1" // Clobber List + ); +} + +// SetRow writes 'width' bytes using an 8 bit value repeated. +void SetRow_NEON(uint8_t* dst, uint8_t v8, int width) { + asm volatile( + "dup v0.16b, %w2 \n" // duplicate 16 bytes + "1: \n" + "subs %w1, %w1, #16 \n" // 16 bytes per loop + "st1 {v0.16b}, [%0], #16 \n" // store + "b.gt 1b \n" + : "+r"(dst), // %0 + "+r"(width) // %1 + : "r"(v8) // %2 + : "cc", "memory", "v0"); +} + +void ARGBSetRow_NEON(uint8_t* dst, uint32_t v32, int width) { + asm volatile( + "dup v0.4s, %w2 \n" // duplicate 4 ints + "1: \n" + "subs %w1, %w1, #4 \n" // 4 ints per loop + "st1 {v0.16b}, [%0], #16 \n" // store + "b.gt 1b \n" + : "+r"(dst), // %0 + "+r"(width) // %1 + : "r"(v32) // %2 + : "cc", "memory", "v0"); +} + +void MirrorRow_NEON(const uint8_t* src, uint8_t* dst, int width) { + asm volatile( + // Start at end of source row. + "add %0, %0, %w2, sxtw \n" + "sub %0, %0, #16 \n" + "1: \n" + "ld1 {v0.16b}, [%0], %3 \n" // src -= 16 + "subs %w2, %w2, #16 \n" // 16 pixels per loop. + "rev64 v0.16b, v0.16b \n" + "st1 {v0.D}[1], [%1], #8 \n" // dst += 16 + "st1 {v0.D}[0], [%1], #8 \n" + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 + : "r"((ptrdiff_t)-16) // %3 + : "cc", "memory", "v0"); +} + +void MirrorUVRow_NEON(const uint8_t* src_uv, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + asm volatile( + // Start at end of source row. + "add %0, %0, %w3, sxtw #1 \n" + "sub %0, %0, #16 \n" + "1: \n" + "ld2 {v0.8b, v1.8b}, [%0], %4 \n" // src -= 16 + "subs %w3, %w3, #8 \n" // 8 pixels per loop. + "rev64 v0.8b, v0.8b \n" + "rev64 v1.8b, v1.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // dst += 8 + "st1 {v1.8b}, [%2], #8 \n" + "b.gt 1b \n" + : "+r"(src_uv), // %0 + "+r"(dst_u), // %1 + "+r"(dst_v), // %2 + "+r"(width) // %3 + : "r"((ptrdiff_t)-16) // %4 + : "cc", "memory", "v0", "v1"); +} + +void ARGBMirrorRow_NEON(const uint8_t* src, uint8_t* dst, int width) { + asm volatile( + // Start at end of source row. + "add %0, %0, %w2, sxtw #2 \n" + "sub %0, %0, #16 \n" + "1: \n" + "ld1 {v0.16b}, [%0], %3 \n" // src -= 16 + "subs %w2, %w2, #4 \n" // 4 pixels per loop. + "rev64 v0.4s, v0.4s \n" + "st1 {v0.D}[1], [%1], #8 \n" // dst += 16 + "st1 {v0.D}[0], [%1], #8 \n" + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 + : "r"((ptrdiff_t)-16) // %3 + : "cc", "memory", "v0"); +} + +void RGB24ToARGBRow_NEON(const uint8_t* src_rgb24, + uint8_t* dst_argb, + int width) { + asm volatile( + "movi v4.8b, #255 \n" // Alpha + "1: \n" + "ld3 {v1.8b,v2.8b,v3.8b}, [%0], #24 \n" // load 8 pixels of RGB24. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "st4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%1], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_rgb24), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v1", "v2", "v3", "v4" // Clobber List + ); +} + +void RAWToARGBRow_NEON(const uint8_t* src_raw, uint8_t* dst_argb, int width) { + asm volatile( + "movi v5.8b, #255 \n" // Alpha + "1: \n" + "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // read r g b + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "orr v3.8b, v1.8b, v1.8b \n" // move g + "orr v4.8b, v0.8b, v0.8b \n" // move r + "st4 {v2.8b,v3.8b,v4.8b,v5.8b}, [%1], #32 \n" // store b g r a + "b.gt 1b \n" + : "+r"(src_raw), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5" // Clobber List + ); +} + +void RAWToRGB24Row_NEON(const uint8_t* src_raw, uint8_t* dst_rgb24, int width) { + asm volatile( + "1: \n" + "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // read r g b + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "orr v3.8b, v1.8b, v1.8b \n" // move g + "orr v4.8b, v0.8b, v0.8b \n" // move r + "st3 {v2.8b,v3.8b,v4.8b}, [%1], #24 \n" // store b g r + "b.gt 1b \n" + : "+r"(src_raw), // %0 + "+r"(dst_rgb24), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4" // Clobber List + ); +} + +#define RGB565TOARGB \ + "shrn v6.8b, v0.8h, #5 \n" /* G xxGGGGGG */ \ + "shl v6.8b, v6.8b, #2 \n" /* G GGGGGG00 upper 6 */ \ + "ushr v4.8b, v6.8b, #6 \n" /* G 000000GG lower 2 */ \ + "orr v1.8b, v4.8b, v6.8b \n" /* G */ \ + "xtn v2.8b, v0.8h \n" /* B xxxBBBBB */ \ + "ushr v0.8h, v0.8h, #11 \n" /* R 000RRRRR */ \ + "xtn2 v2.16b,v0.8h \n" /* R in upper part */ \ + "shl v2.16b, v2.16b, #3 \n" /* R,B BBBBB000 upper 5 */ \ + "ushr v0.16b, v2.16b, #5 \n" /* R,B 00000BBB lower 3 */ \ + "orr v0.16b, v0.16b, v2.16b \n" /* R,B */ \ + "dup v2.2D, v0.D[1] \n" /* R */ + +void RGB565ToARGBRow_NEON(const uint8_t* src_rgb565, + uint8_t* dst_argb, + int width) { + asm volatile( + "movi v3.8b, #255 \n" // Alpha + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + RGB565TOARGB + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_rgb565), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v6" // Clobber List + ); +} + +#define ARGB1555TOARGB \ + "ushr v2.8h, v0.8h, #10 \n" /* R xxxRRRRR */ \ + "shl v2.8h, v2.8h, #3 \n" /* R RRRRR000 upper 5 */ \ + "xtn v3.8b, v2.8h \n" /* RRRRR000 AAAAAAAA */ \ + \ + "sshr v2.8h, v0.8h, #15 \n" /* A AAAAAAAA */ \ + "xtn2 v3.16b, v2.8h \n" \ + \ + "xtn v2.8b, v0.8h \n" /* B xxxBBBBB */ \ + "shrn2 v2.16b,v0.8h, #5 \n" /* G xxxGGGGG */ \ + \ + "ushr v1.16b, v3.16b, #5 \n" /* R,A 00000RRR lower 3 */ \ + "shl v0.16b, v2.16b, #3 \n" /* B,G BBBBB000 upper 5 */ \ + "ushr v2.16b, v0.16b, #5 \n" /* B,G 00000BBB lower 3 */ \ + \ + "orr v0.16b, v0.16b, v2.16b \n" /* B,G */ \ + "orr v2.16b, v1.16b, v3.16b \n" /* R,A */ \ + "dup v1.2D, v0.D[1] \n" \ + "dup v3.2D, v2.D[1] \n" // RGB555TOARGB is same as ARGB1555TOARGB but ignores alpha. -#define RGB555TOARGB \ - "ushr v2.8h, v0.8h, #10 \n" /* R xxxRRRRR */ \ - "shl v2.8h, v2.8h, #3 \n" /* R RRRRR000 upper 5 */ \ - "xtn v3.8b, v2.8h \n" /* RRRRR000 */ \ - \ - "xtn v2.8b, v0.8h \n" /* B xxxBBBBB */ \ - "shrn2 v2.16b,v0.8h, #5 \n" /* G xxxGGGGG */ \ - \ - "ushr v1.16b, v3.16b, #5 \n" /* R 00000RRR lower 3 */ \ - "shl v0.16b, v2.16b, #3 \n" /* B,G BBBBB000 upper 5 */ \ - "ushr v2.16b, v0.16b, #5 \n" /* B,G 00000BBB lower 3 */ \ - \ - "orr v0.16b, v0.16b, v2.16b \n" /* B,G */ \ - "orr v2.16b, v1.16b, v3.16b \n" /* R */ \ - "dup v1.2D, v0.D[1] \n" /* G */ \ - -void ARGB1555ToARGBRow_NEON(const uint8* src_argb1555, uint8* dst_argb, +#define RGB555TOARGB \ + "ushr v2.8h, v0.8h, #10 \n" /* R xxxRRRRR */ \ + "shl v2.8h, v2.8h, #3 \n" /* R RRRRR000 upper 5 */ \ + "xtn v3.8b, v2.8h \n" /* RRRRR000 */ \ + \ + "xtn v2.8b, v0.8h \n" /* B xxxBBBBB */ \ + "shrn2 v2.16b,v0.8h, #5 \n" /* G xxxGGGGG */ \ + \ + "ushr v1.16b, v3.16b, #5 \n" /* R 00000RRR lower 3 */ \ + "shl v0.16b, v2.16b, #3 \n" /* B,G BBBBB000 upper 5 */ \ + "ushr v2.16b, v0.16b, #5 \n" /* B,G 00000BBB lower 3 */ \ + \ + "orr v0.16b, v0.16b, v2.16b \n" /* B,G */ \ + "orr v2.16b, v1.16b, v3.16b \n" /* R */ \ + "dup v1.2D, v0.D[1] \n" /* G */ + +void ARGB1555ToARGBRow_NEON(const uint8_t* src_argb1555, + uint8_t* dst_argb, int width) { - asm volatile ( - "movi v3.8b, #255 \n" // Alpha - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGB1555TOARGB - MEMACCESS(1) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_argb1555), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); -} - -#define ARGB4444TOARGB \ - "shrn v1.8b, v0.8h, #8 \n" /* v1(l) AR */ \ - "xtn2 v1.16b, v0.8h \n" /* v1(h) GB */ \ - "shl v2.16b, v1.16b, #4 \n" /* B,R BBBB0000 */ \ - "ushr v3.16b, v1.16b, #4 \n" /* G,A 0000GGGG */ \ - "ushr v0.16b, v2.16b, #4 \n" /* B,R 0000BBBB */ \ - "shl v1.16b, v3.16b, #4 \n" /* G,A GGGG0000 */ \ - "orr v2.16b, v0.16b, v2.16b \n" /* B,R BBBBBBBB */ \ - "orr v3.16b, v1.16b, v3.16b \n" /* G,A GGGGGGGG */ \ - "dup v0.2D, v2.D[1] \n" \ - "dup v1.2D, v3.D[1] \n" - -void ARGB4444ToARGBRow_NEON(const uint8* src_argb4444, uint8* dst_argb, + asm volatile( + "movi v3.8b, #255 \n" // Alpha + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGB1555TOARGB + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB + // pixels + "b.gt 1b \n" + : "+r"(src_argb1555), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List + ); +} + +#define ARGB4444TOARGB \ + "shrn v1.8b, v0.8h, #8 \n" /* v1(l) AR */ \ + "xtn2 v1.16b, v0.8h \n" /* v1(h) GB */ \ + "shl v2.16b, v1.16b, #4 \n" /* B,R BBBB0000 */ \ + "ushr v3.16b, v1.16b, #4 \n" /* G,A 0000GGGG */ \ + "ushr v0.16b, v2.16b, #4 \n" /* B,R 0000BBBB */ \ + "shl v1.16b, v3.16b, #4 \n" /* G,A GGGG0000 */ \ + "orr v2.16b, v0.16b, v2.16b \n" /* B,R BBBBBBBB */ \ + "orr v3.16b, v1.16b, v3.16b \n" /* G,A GGGGGGGG */ \ + "dup v0.2D, v2.D[1] \n" \ + "dup v1.2D, v3.D[1] \n" + +void ARGB4444ToARGBRow_NEON(const uint8_t* src_argb4444, + uint8_t* dst_argb, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGB4444TOARGB - MEMACCESS(1) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_argb4444), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4" // Clobber List - ); -} - -void ARGBToRGB24Row_NEON(const uint8* src_argb, uint8* dst_rgb24, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%0], #32 \n" // load 8 ARGB pixels - "subs %w2, %w2, #8 \n" // 8 processed per loop. - MEMACCESS(1) - "st3 {v1.8b,v2.8b,v3.8b}, [%1], #24 \n" // store 8 pixels of RGB24. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_rgb24), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v1", "v2", "v3", "v4" // Clobber List - ); -} - -void ARGBToRAWRow_NEON(const uint8* src_argb, uint8* dst_raw, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%0], #32 \n" // load b g r a - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "orr v4.8b, v2.8b, v2.8b \n" // mov g - "orr v5.8b, v1.8b, v1.8b \n" // mov b - MEMACCESS(1) - "st3 {v3.8b,v4.8b,v5.8b}, [%1], #24 \n" // store r g b - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_raw), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v1", "v2", "v3", "v4", "v5" // Clobber List - ); -} - -void YUY2ToYRow_NEON(const uint8* src_yuy2, uint8* dst_y, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pixels of YUY2. - "subs %w2, %w2, #16 \n" // 16 processed per loop. - MEMACCESS(1) - "st1 {v0.16b}, [%1], #16 \n" // store 16 pixels of Y. - "b.gt 1b \n" - : "+r"(src_yuy2), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1" // Clobber List - ); -} - -void UYVYToYRow_NEON(const uint8* src_uyvy, uint8* dst_y, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pixels of UYVY. - "subs %w2, %w2, #16 \n" // 16 processed per loop. - MEMACCESS(1) - "st1 {v1.16b}, [%1], #16 \n" // store 16 pixels of Y. - "b.gt 1b \n" - : "+r"(src_uyvy), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1" // Clobber List - ); -} - -void YUY2ToUV422Row_NEON(const uint8* src_yuy2, uint8* dst_u, uint8* dst_v, + asm volatile( + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGB4444TOARGB + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB + // pixels + "b.gt 1b \n" + : "+r"(src_argb4444), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4" // Clobber List + ); +} + +void ARGBToRGB24Row_NEON(const uint8_t* src_argb, + uint8_t* dst_rgb24, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 YUY2 pixels - "subs %w3, %w3, #16 \n" // 16 pixels = 8 UVs. - MEMACCESS(1) - "st1 {v1.8b}, [%1], #8 \n" // store 8 U. - MEMACCESS(2) - "st1 {v3.8b}, [%2], #8 \n" // store 8 V. - "b.gt 1b \n" - : "+r"(src_yuy2), // %0 - "+r"(dst_u), // %1 - "+r"(dst_v), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); -} - -void UYVYToUV422Row_NEON(const uint8* src_uyvy, uint8* dst_u, uint8* dst_v, + asm volatile( + "1: \n" + "ld4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "st3 {v1.8b,v2.8b,v3.8b}, [%1], #24 \n" // store 8 pixels of + // RGB24. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_rgb24), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v1", "v2", "v3", "v4" // Clobber List + ); +} + +void ARGBToRAWRow_NEON(const uint8_t* src_argb, uint8_t* dst_raw, int width) { + asm volatile( + "1: \n" + "ld4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%0], #32 \n" // load b g r a + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "orr v4.8b, v2.8b, v2.8b \n" // mov g + "orr v5.8b, v1.8b, v1.8b \n" // mov b + "st3 {v3.8b,v4.8b,v5.8b}, [%1], #24 \n" // store r g b + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_raw), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v1", "v2", "v3", "v4", "v5" // Clobber List + ); +} + +void YUY2ToYRow_NEON(const uint8_t* src_yuy2, uint8_t* dst_y, int width) { + asm volatile( + "1: \n" + "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pixels of YUY2. + "subs %w2, %w2, #16 \n" // 16 processed per loop. + "st1 {v0.16b}, [%1], #16 \n" // store 16 pixels of Y. + "b.gt 1b \n" + : "+r"(src_yuy2), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1" // Clobber List + ); +} + +void UYVYToYRow_NEON(const uint8_t* src_uyvy, uint8_t* dst_y, int width) { + asm volatile( + "1: \n" + "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pixels of UYVY. + "subs %w2, %w2, #16 \n" // 16 processed per loop. + "st1 {v1.16b}, [%1], #16 \n" // store 16 pixels of Y. + "b.gt 1b \n" + : "+r"(src_uyvy), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1" // Clobber List + ); +} + +void YUY2ToUV422Row_NEON(const uint8_t* src_yuy2, + uint8_t* dst_u, + uint8_t* dst_v, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 UYVY pixels - "subs %w3, %w3, #16 \n" // 16 pixels = 8 UVs. - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 U. - MEMACCESS(2) - "st1 {v2.8b}, [%2], #8 \n" // store 8 V. - "b.gt 1b \n" - : "+r"(src_uyvy), // %0 - "+r"(dst_u), // %1 - "+r"(dst_v), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); -} - -void YUY2ToUVRow_NEON(const uint8* src_yuy2, int stride_yuy2, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_yuy2b = src_yuy2 + stride_yuy2; - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels - "subs %w4, %w4, #16 \n" // 16 pixels = 8 UVs. - MEMACCESS(1) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load next row - "urhadd v1.8b, v1.8b, v5.8b \n" // average rows of U - "urhadd v3.8b, v3.8b, v7.8b \n" // average rows of V - MEMACCESS(2) - "st1 {v1.8b}, [%2], #8 \n" // store 8 U. - MEMACCESS(3) - "st1 {v3.8b}, [%3], #8 \n" // store 8 V. - "b.gt 1b \n" - : "+r"(src_yuy2), // %0 - "+r"(src_yuy2b), // %1 - "+r"(dst_u), // %2 - "+r"(dst_v), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", - "v5", "v6", "v7" // Clobber List - ); -} - -void UYVYToUVRow_NEON(const uint8* src_uyvy, int stride_uyvy, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_uyvyb = src_uyvy + stride_uyvy; - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels - "subs %w4, %w4, #16 \n" // 16 pixels = 8 UVs. - MEMACCESS(1) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load next row - "urhadd v0.8b, v0.8b, v4.8b \n" // average rows of U - "urhadd v2.8b, v2.8b, v6.8b \n" // average rows of V - MEMACCESS(2) - "st1 {v0.8b}, [%2], #8 \n" // store 8 U. - MEMACCESS(3) - "st1 {v2.8b}, [%3], #8 \n" // store 8 V. - "b.gt 1b \n" - : "+r"(src_uyvy), // %0 - "+r"(src_uyvyb), // %1 - "+r"(dst_u), // %2 - "+r"(dst_v), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", - "v5", "v6", "v7" // Clobber List - ); + asm volatile( + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 YUY2 + "subs %w3, %w3, #16 \n" // 16 pixels = 8 UVs. + "st1 {v1.8b}, [%1], #8 \n" // store 8 U. + "st1 {v3.8b}, [%2], #8 \n" // store 8 V. + "b.gt 1b \n" + : "+r"(src_yuy2), // %0 + "+r"(dst_u), // %1 + "+r"(dst_v), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List + ); +} + +void UYVYToUV422Row_NEON(const uint8_t* src_uyvy, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + asm volatile( + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 UYVY + "subs %w3, %w3, #16 \n" // 16 pixels = 8 UVs. + "st1 {v0.8b}, [%1], #8 \n" // store 8 U. + "st1 {v2.8b}, [%2], #8 \n" // store 8 V. + "b.gt 1b \n" + : "+r"(src_uyvy), // %0 + "+r"(dst_u), // %1 + "+r"(dst_v), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List + ); +} + +void YUY2ToUVRow_NEON(const uint8_t* src_yuy2, + int stride_yuy2, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_yuy2b = src_yuy2 + stride_yuy2; + asm volatile( + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels + "subs %w4, %w4, #16 \n" // 16 pixels = 8 UVs. + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load next row + "urhadd v1.8b, v1.8b, v5.8b \n" // average rows of U + "urhadd v3.8b, v3.8b, v7.8b \n" // average rows of V + "st1 {v1.8b}, [%2], #8 \n" // store 8 U. + "st1 {v3.8b}, [%3], #8 \n" // store 8 V. + "b.gt 1b \n" + : "+r"(src_yuy2), // %0 + "+r"(src_yuy2b), // %1 + "+r"(dst_u), // %2 + "+r"(dst_v), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", + "v7" // Clobber List + ); +} + +void UYVYToUVRow_NEON(const uint8_t* src_uyvy, + int stride_uyvy, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_uyvyb = src_uyvy + stride_uyvy; + asm volatile( + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels + "subs %w4, %w4, #16 \n" // 16 pixels = 8 UVs. + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load next row + "urhadd v0.8b, v0.8b, v4.8b \n" // average rows of U + "urhadd v2.8b, v2.8b, v6.8b \n" // average rows of V + "st1 {v0.8b}, [%2], #8 \n" // store 8 U. + "st1 {v2.8b}, [%3], #8 \n" // store 8 V. + "b.gt 1b \n" + : "+r"(src_uyvy), // %0 + "+r"(src_uyvyb), // %1 + "+r"(dst_u), // %2 + "+r"(dst_v), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", + "v7" // Clobber List + ); } // For BGRAToARGB, ABGRToARGB, RGBAToARGB, and ARGBToRGBA. -void ARGBShuffleRow_NEON(const uint8* src_argb, uint8* dst_argb, - const uint8* shuffler, int width) { - asm volatile ( - MEMACCESS(3) - "ld1 {v2.16b}, [%3] \n" // shuffler - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 4 pixels. - "subs %w2, %w2, #4 \n" // 4 processed per loop - "tbl v1.16b, {v0.16b}, v2.16b \n" // look up 4 pixels - MEMACCESS(1) - "st1 {v1.16b}, [%1], #16 \n" // store 4. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : "r"(shuffler) // %3 - : "cc", "memory", "v0", "v1", "v2" // Clobber List - ); -} - -void I422ToYUY2Row_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_yuy2, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld2 {v0.8b, v1.8b}, [%0], #16 \n" // load 16 Ys - "orr v2.8b, v1.8b, v1.8b \n" - MEMACCESS(1) - "ld1 {v1.8b}, [%1], #8 \n" // load 8 Us - MEMACCESS(2) - "ld1 {v3.8b}, [%2], #8 \n" // load 8 Vs - "subs %w4, %w4, #16 \n" // 16 pixels - MEMACCESS(3) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%3], #32 \n" // Store 16 pixels. - "b.gt 1b \n" - : "+r"(src_y), // %0 - "+r"(src_u), // %1 - "+r"(src_v), // %2 - "+r"(dst_yuy2), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3" - ); -} - -void I422ToUYVYRow_NEON(const uint8* src_y, - const uint8* src_u, - const uint8* src_v, - uint8* dst_uyvy, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld2 {v1.8b,v2.8b}, [%0], #16 \n" // load 16 Ys - "orr v3.8b, v2.8b, v2.8b \n" - MEMACCESS(1) - "ld1 {v0.8b}, [%1], #8 \n" // load 8 Us - MEMACCESS(2) - "ld1 {v2.8b}, [%2], #8 \n" // load 8 Vs - "subs %w4, %w4, #16 \n" // 16 pixels - MEMACCESS(3) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%3], #32 \n" // Store 16 pixels. - "b.gt 1b \n" - : "+r"(src_y), // %0 - "+r"(src_u), // %1 - "+r"(src_v), // %2 - "+r"(dst_uyvy), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3" - ); -} - -void ARGBToRGB565Row_NEON(const uint8* src_argb, uint8* dst_rgb565, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%0], #32 \n" // load 8 pixels - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGBTORGB565 - MEMACCESS(1) - "st1 {v0.16b}, [%1], #16 \n" // store 8 pixels RGB565. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_rgb565), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v20", "v21", "v22", "v23" - ); -} - -void ARGBToRGB565DitherRow_NEON(const uint8* src_argb, uint8* dst_rgb, - const uint32 dither4, int width) { - asm volatile ( - "dup v1.4s, %w2 \n" // dither4 - "1: \n" - MEMACCESS(1) - "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], #32 \n" // load 8 pixels - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "uqadd v20.8b, v20.8b, v1.8b \n" - "uqadd v21.8b, v21.8b, v1.8b \n" - "uqadd v22.8b, v22.8b, v1.8b \n" - ARGBTORGB565 - MEMACCESS(0) - "st1 {v0.16b}, [%0], #16 \n" // store 8 pixels RGB565. - "b.gt 1b \n" - : "+r"(dst_rgb) // %0 - : "r"(src_argb), // %1 - "r"(dither4), // %2 - "r"(width) // %3 - : "cc", "memory", "v0", "v1", "v20", "v21", "v22", "v23" - ); -} - -void ARGBToARGB1555Row_NEON(const uint8* src_argb, uint8* dst_argb1555, +void ARGBShuffleRow_NEON(const uint8_t* src_argb, + uint8_t* dst_argb, + const uint8_t* shuffler, + int width) { + asm volatile( + "ld1 {v2.16b}, [%3] \n" // shuffler + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 4 pixels. + "subs %w2, %w2, #4 \n" // 4 processed per loop + "tbl v1.16b, {v0.16b}, v2.16b \n" // look up 4 pixels + "st1 {v1.16b}, [%1], #16 \n" // store 4. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : "r"(shuffler) // %3 + : "cc", "memory", "v0", "v1", "v2" // Clobber List + ); +} + +void I422ToYUY2Row_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_yuy2, + int width) { + asm volatile( + "1: \n" + "ld2 {v0.8b, v1.8b}, [%0], #16 \n" // load 16 Ys + "orr v2.8b, v1.8b, v1.8b \n" + "ld1 {v1.8b}, [%1], #8 \n" // load 8 Us + "ld1 {v3.8b}, [%2], #8 \n" // load 8 Vs + "subs %w4, %w4, #16 \n" // 16 pixels + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%3], #32 \n" // Store 16 pixels. + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(src_u), // %1 + "+r"(src_v), // %2 + "+r"(dst_yuy2), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3"); +} + +void I422ToUYVYRow_NEON(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_uyvy, + int width) { + asm volatile( + "1: \n" + "ld2 {v1.8b,v2.8b}, [%0], #16 \n" // load 16 Ys + "orr v3.8b, v2.8b, v2.8b \n" + "ld1 {v0.8b}, [%1], #8 \n" // load 8 Us + "ld1 {v2.8b}, [%2], #8 \n" // load 8 Vs + "subs %w4, %w4, #16 \n" // 16 pixels + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%3], #32 \n" // Store 16 pixels. + "b.gt 1b \n" + : "+r"(src_y), // %0 + "+r"(src_u), // %1 + "+r"(src_v), // %2 + "+r"(dst_uyvy), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3"); +} + +void ARGBToRGB565Row_NEON(const uint8_t* src_argb, + uint8_t* dst_rgb565, + int width) { + asm volatile( + "1: \n" + "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%0], #32 \n" // load 8 pixels + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGBTORGB565 + "st1 {v0.16b}, [%1], #16 \n" // store 8 pixels RGB565. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_rgb565), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v20", "v21", "v22", "v23"); +} + +void ARGBToRGB565DitherRow_NEON(const uint8_t* src_argb, + uint8_t* dst_rgb, + const uint32_t dither4, + int width) { + asm volatile( + "dup v1.4s, %w2 \n" // dither4 + "1: \n" + "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%1], #32 \n" // load 8 pixels + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "uqadd v20.8b, v20.8b, v1.8b \n" + "uqadd v21.8b, v21.8b, v1.8b \n" + "uqadd v22.8b, v22.8b, v1.8b \n" ARGBTORGB565 + "st1 {v0.16b}, [%0], #16 \n" // store 8 pixels RGB565. + "b.gt 1b \n" + : "+r"(dst_rgb) // %0 + : "r"(src_argb), // %1 + "r"(dither4), // %2 + "r"(width) // %3 + : "cc", "memory", "v0", "v1", "v20", "v21", "v22", "v23"); +} + +void ARGBToARGB1555Row_NEON(const uint8_t* src_argb, + uint8_t* dst_argb1555, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%0], #32 \n" // load 8 pixels - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGBTOARGB1555 - MEMACCESS(1) - "st1 {v0.16b}, [%1], #16 \n" // store 8 pixels ARGB1555. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb1555), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v20", "v21", "v22", "v23" - ); -} - -void ARGBToARGB4444Row_NEON(const uint8* src_argb, uint8* dst_argb4444, + asm volatile( + "1: \n" + "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%0], #32 \n" // load 8 pixels + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGBTOARGB1555 + "st1 {v0.16b}, [%1], #16 \n" // store 8 pixels + // ARGB1555. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb1555), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v20", "v21", "v22", "v23"); +} + +void ARGBToARGB4444Row_NEON(const uint8_t* src_argb, + uint8_t* dst_argb4444, int width) { - asm volatile ( - "movi v4.16b, #0x0f \n" // bits to clear with vbic. - "1: \n" - MEMACCESS(0) - "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%0], #32 \n" // load 8 pixels - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGBTOARGB4444 - MEMACCESS(1) - "st1 {v0.16b}, [%1], #16 \n" // store 8 pixels ARGB4444. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb4444), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v4", "v20", "v21", "v22", "v23" - ); -} - -void ARGBToYRow_NEON(const uint8* src_argb, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #13 \n" // B * 0.1016 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #33 \n" // R * 0.2578 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v3.8h, v0.8b, v4.8b \n" // B - "umlal v3.8h, v1.8b, v5.8b \n" // G - "umlal v3.8h, v2.8b, v6.8b \n" // R - "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" - ); -} - -void ARGBExtractAlphaRow_NEON(const uint8* src_argb, uint8* dst_a, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load row 16 pixels - "subs %w2, %w2, #16 \n" // 16 processed per loop - MEMACCESS(1) - "st1 {v3.16b}, [%1], #16 \n" // store 16 A's. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_a), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); -} - -void ARGBToYJRow_NEON(const uint8* src_argb, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #15 \n" // B * 0.11400 coefficient - "movi v5.8b, #75 \n" // G * 0.58700 coefficient - "movi v6.8b, #38 \n" // R * 0.29900 coefficient - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v3.8h, v0.8b, v4.8b \n" // B - "umlal v3.8h, v1.8b, v5.8b \n" // G - "umlal v3.8h, v2.8b, v6.8b \n" // R - "sqrshrun v0.8b, v3.8h, #7 \n" // 15 bit to 8 bit Y - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6" - ); + asm volatile( + "movi v4.16b, #0x0f \n" // bits to clear with + // vbic. + "1: \n" + "ld4 {v20.8b,v21.8b,v22.8b,v23.8b}, [%0], #32 \n" // load 8 pixels + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGBTOARGB4444 + "st1 {v0.16b}, [%1], #16 \n" // store 8 pixels + // ARGB4444. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb4444), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v4", "v20", "v21", "v22", "v23"); +} + +void ARGBToYRow_NEON(const uint8_t* src_argb, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #13 \n" // B * 0.1016 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #33 \n" // R * 0.2578 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v3.8h, v0.8b, v4.8b \n" // B + "umlal v3.8h, v1.8b, v5.8b \n" // G + "umlal v3.8h, v2.8b, v6.8b \n" // R + "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"); +} + +void ARGBExtractAlphaRow_NEON(const uint8_t* src_argb, + uint8_t* dst_a, + int width) { + asm volatile( + "1: \n" + "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load row 16 + // pixels + "subs %w2, %w2, #16 \n" // 16 processed per loop + "st1 {v3.16b}, [%1], #16 \n" // store 16 A's. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_a), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List + ); +} + +void ARGBToYJRow_NEON(const uint8_t* src_argb, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #15 \n" // B * 0.11400 coefficient + "movi v5.8b, #75 \n" // G * 0.58700 coefficient + "movi v6.8b, #38 \n" // R * 0.29900 coefficient + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v3.8h, v0.8b, v4.8b \n" // B + "umlal v3.8h, v1.8b, v5.8b \n" // G + "umlal v3.8h, v2.8b, v6.8b \n" // R + "sqrshrun v0.8b, v3.8h, #7 \n" // 15 bit to 8 bit Y + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6"); } // 8x1 pixels. -void ARGBToUV444Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, +void ARGBToUV444Row_NEON(const uint8_t* src_argb, + uint8_t* dst_u, + uint8_t* dst_v, int width) { - asm volatile ( - "movi v24.8b, #112 \n" // UB / VR 0.875 coefficient - "movi v25.8b, #74 \n" // UG -0.5781 coefficient - "movi v26.8b, #38 \n" // UR -0.2969 coefficient - "movi v27.8b, #18 \n" // VB -0.1406 coefficient - "movi v28.8b, #94 \n" // VG -0.7344 coefficient - "movi v29.16b,#0x80 \n" // 128.5 - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "umull v4.8h, v0.8b, v24.8b \n" // B - "umlsl v4.8h, v1.8b, v25.8b \n" // G - "umlsl v4.8h, v2.8b, v26.8b \n" // R - "add v4.8h, v4.8h, v29.8h \n" // +128 -> unsigned - - "umull v3.8h, v2.8b, v24.8b \n" // R - "umlsl v3.8h, v1.8b, v28.8b \n" // G - "umlsl v3.8h, v0.8b, v27.8b \n" // B - "add v3.8h, v3.8h, v29.8h \n" // +128 -> unsigned - - "uqshrn v0.8b, v4.8h, #8 \n" // 16 bit to 8 bit U - "uqshrn v1.8b, v3.8h, #8 \n" // 16 bit to 8 bit V - - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels U. - MEMACCESS(2) - "st1 {v1.8b}, [%2], #8 \n" // store 8 pixels V. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_u), // %1 - "+r"(dst_v), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", - "v24", "v25", "v26", "v27", "v28", "v29" - ); -} - -#define RGBTOUV_SETUP_REG \ - "movi v20.8h, #56, lsl #0 \n" /* UB/VR coefficient (0.875) / 2 */ \ - "movi v21.8h, #37, lsl #0 \n" /* UG coefficient (-0.5781) / 2 */ \ - "movi v22.8h, #19, lsl #0 \n" /* UR coefficient (-0.2969) / 2 */ \ - "movi v23.8h, #9, lsl #0 \n" /* VB coefficient (-0.1406) / 2 */ \ - "movi v24.8h, #47, lsl #0 \n" /* VG coefficient (-0.7344) / 2 */ \ - "movi v25.16b, #0x80 \n" /* 128.5 (0x8080 in 16-bit) */ - -// 32x1 pixels -> 8x1. width is number of argb pixels. e.g. 32. -void ARGBToUV411Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, - int width) { - asm volatile ( - RGBTOUV_SETUP_REG - "1: \n" - MEMACCESS(0) - "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 pixels. - "uaddlp v0.8h, v0.16b \n" // B 16 bytes -> 8 shorts. - "uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts. - "uaddlp v2.8h, v2.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(0) - "ld4 {v4.16b,v5.16b,v6.16b,v7.16b}, [%0], #64 \n" // load next 16. - "uaddlp v4.8h, v4.16b \n" // B 16 bytes -> 8 shorts. - "uaddlp v5.8h, v5.16b \n" // G 16 bytes -> 8 shorts. - "uaddlp v6.8h, v6.16b \n" // R 16 bytes -> 8 shorts. - - "addp v0.8h, v0.8h, v4.8h \n" // B 16 shorts -> 8 shorts. - "addp v1.8h, v1.8h, v5.8h \n" // G 16 shorts -> 8 shorts. - "addp v2.8h, v2.8h, v6.8h \n" // R 16 shorts -> 8 shorts. - - "urshr v0.8h, v0.8h, #1 \n" // 2x average - "urshr v1.8h, v1.8h, #1 \n" - "urshr v2.8h, v2.8h, #1 \n" - - "subs %w3, %w3, #32 \n" // 32 processed per loop. - "mul v3.8h, v0.8h, v20.8h \n" // B - "mls v3.8h, v1.8h, v21.8h \n" // G - "mls v3.8h, v2.8h, v22.8h \n" // R - "add v3.8h, v3.8h, v25.8h \n" // +128 -> unsigned - "mul v4.8h, v2.8h, v20.8h \n" // R - "mls v4.8h, v1.8h, v24.8h \n" // G - "mls v4.8h, v0.8h, v23.8h \n" // B - "add v4.8h, v4.8h, v25.8h \n" // +128 -> unsigned - "uqshrn v0.8b, v3.8h, #8 \n" // 16 bit to 8 bit U - "uqshrn v1.8b, v4.8h, #8 \n" // 16 bit to 8 bit V - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels U. - MEMACCESS(2) - "st1 {v1.8b}, [%2], #8 \n" // store 8 pixels V. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_u), // %1 - "+r"(dst_v), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", - "v20", "v21", "v22", "v23", "v24", "v25" - ); -} + asm volatile( + "movi v24.8b, #112 \n" // UB / VR 0.875 + // coefficient + "movi v25.8b, #74 \n" // UG -0.5781 coefficient + "movi v26.8b, #38 \n" // UR -0.2969 coefficient + "movi v27.8b, #18 \n" // VB -0.1406 coefficient + "movi v28.8b, #94 \n" // VG -0.7344 coefficient + "movi v29.16b,#0x80 \n" // 128.5 + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + // pixels. + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "umull v4.8h, v0.8b, v24.8b \n" // B + "umlsl v4.8h, v1.8b, v25.8b \n" // G + "umlsl v4.8h, v2.8b, v26.8b \n" // R + "add v4.8h, v4.8h, v29.8h \n" // +128 -> unsigned + + "umull v3.8h, v2.8b, v24.8b \n" // R + "umlsl v3.8h, v1.8b, v28.8b \n" // G + "umlsl v3.8h, v0.8b, v27.8b \n" // B + "add v3.8h, v3.8h, v29.8h \n" // +128 -> unsigned + + "uqshrn v0.8b, v4.8h, #8 \n" // 16 bit to 8 bit U + "uqshrn v1.8b, v3.8h, #8 \n" // 16 bit to 8 bit V + + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels U. + "st1 {v1.8b}, [%2], #8 \n" // store 8 pixels V. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_u), // %1 + "+r"(dst_v), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v24", "v25", "v26", + "v27", "v28", "v29"); +} + +#define RGBTOUV_SETUP_REG \ + "movi v20.8h, #56, lsl #0 \n" /* UB/VR coefficient (0.875) / 2 */ \ + "movi v21.8h, #37, lsl #0 \n" /* UG coefficient (-0.5781) / 2 */ \ + "movi v22.8h, #19, lsl #0 \n" /* UR coefficient (-0.2969) / 2 */ \ + "movi v23.8h, #9, lsl #0 \n" /* VB coefficient (-0.1406) / 2 */ \ + "movi v24.8h, #47, lsl #0 \n" /* VG coefficient (-0.7344) / 2 */ \ + "movi v25.16b, #0x80 \n" /* 128.5 (0x8080 in 16-bit) */ // 16x2 pixels -> 8x1. width is number of argb pixels. e.g. 16. -#define RGBTOUV(QB, QG, QR) \ - "mul v3.8h, " #QB ",v20.8h \n" /* B */ \ - "mul v4.8h, " #QR ",v20.8h \n" /* R */ \ - "mls v3.8h, " #QG ",v21.8h \n" /* G */ \ - "mls v4.8h, " #QG ",v24.8h \n" /* G */ \ - "mls v3.8h, " #QR ",v22.8h \n" /* R */ \ - "mls v4.8h, " #QB ",v23.8h \n" /* B */ \ - "add v3.8h, v3.8h, v25.8h \n" /* +128 -> unsigned */ \ - "add v4.8h, v4.8h, v25.8h \n" /* +128 -> unsigned */ \ - "uqshrn v0.8b, v3.8h, #8 \n" /* 16 bit to 8 bit U */ \ - "uqshrn v1.8b, v4.8h, #8 \n" /* 16 bit to 8 bit V */ +// clang-format off +#define RGBTOUV(QB, QG, QR) \ + "mul v3.8h, " #QB ",v20.8h \n" /* B */ \ + "mul v4.8h, " #QR ",v20.8h \n" /* R */ \ + "mls v3.8h, " #QG ",v21.8h \n" /* G */ \ + "mls v4.8h, " #QG ",v24.8h \n" /* G */ \ + "mls v3.8h, " #QR ",v22.8h \n" /* R */ \ + "mls v4.8h, " #QB ",v23.8h \n" /* B */ \ + "add v3.8h, v3.8h, v25.8h \n" /* +128 -> unsigned */ \ + "add v4.8h, v4.8h, v25.8h \n" /* +128 -> unsigned */ \ + "uqshrn v0.8b, v3.8h, #8 \n" /* 16 bit to 8 bit U */ \ + "uqshrn v1.8b, v4.8h, #8 \n" /* 16 bit to 8 bit V */ +// clang-format on // TODO(fbarchard): Consider vhadd vertical, then vpaddl horizontal, avoid shr. // TODO(fbarchard): consider ptrdiff_t for all strides. -void ARGBToUVRow_NEON(const uint8* src_argb, int src_stride_argb, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_argb_1 = src_argb + src_stride_argb; +void ARGBToUVRow_NEON(const uint8_t* src_argb, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_argb_1 = src_argb + src_stride_argb; asm volatile ( RGBTOUV_SETUP_REG "1: \n" - MEMACCESS(0) "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 pixels. "uaddlp v0.8h, v0.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v2.8h, v2.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld4 {v4.16b,v5.16b,v6.16b,v7.16b}, [%1], #64 \n" // load next 16 "uadalp v0.8h, v4.16b \n" // B 16 bytes -> 8 shorts. "uadalp v1.8h, v5.16b \n" // G 16 bytes -> 8 shorts. @@ -1486,9 +1415,7 @@ void ARGBToUVRow_NEON(const uint8* src_argb, int src_stride_argb, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v0.8h, v1.8h, v2.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_argb), // %0 @@ -1503,9 +1430,12 @@ void ARGBToUVRow_NEON(const uint8* src_argb, int src_stride_argb, } // TODO(fbarchard): Subsample match C code. -void ARGBToUVJRow_NEON(const uint8* src_argb, int src_stride_argb, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_argb_1 = src_argb + src_stride_argb; +void ARGBToUVJRow_NEON(const uint8_t* src_argb, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_argb_1 = src_argb + src_stride_argb; asm volatile ( "movi v20.8h, #63, lsl #0 \n" // UB/VR coeff (0.500) / 2 "movi v21.8h, #42, lsl #0 \n" // UG coeff (-0.33126) / 2 @@ -1514,12 +1444,10 @@ void ARGBToUVJRow_NEON(const uint8* src_argb, int src_stride_argb, "movi v24.8h, #53, lsl #0 \n" // VG coeff (-0.41869) / 2 "movi v25.16b, #0x80 \n" // 128.5 (0x8080 in 16-bit) "1: \n" - MEMACCESS(0) "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 pixels. "uaddlp v0.8h, v0.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v2.8h, v2.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld4 {v4.16b,v5.16b,v6.16b,v7.16b}, [%1], #64 \n" // load next 16 "uadalp v0.8h, v4.16b \n" // B 16 bytes -> 8 shorts. "uadalp v1.8h, v5.16b \n" // G 16 bytes -> 8 shorts. @@ -1531,9 +1459,7 @@ void ARGBToUVJRow_NEON(const uint8* src_argb, int src_stride_argb, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v0.8h, v1.8h, v2.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_argb), // %0 @@ -1547,18 +1473,19 @@ void ARGBToUVJRow_NEON(const uint8* src_argb, int src_stride_argb, ); } -void BGRAToUVRow_NEON(const uint8* src_bgra, int src_stride_bgra, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_bgra_1 = src_bgra + src_stride_bgra; +void BGRAToUVRow_NEON(const uint8_t* src_bgra, + int src_stride_bgra, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_bgra_1 = src_bgra + src_stride_bgra; asm volatile ( RGBTOUV_SETUP_REG "1: \n" - MEMACCESS(0) "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 pixels. "uaddlp v0.8h, v3.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v3.8h, v2.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v2.8h, v1.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld4 {v4.16b,v5.16b,v6.16b,v7.16b}, [%1], #64 \n" // load 16 more "uadalp v0.8h, v7.16b \n" // B 16 bytes -> 8 shorts. "uadalp v3.8h, v6.16b \n" // G 16 bytes -> 8 shorts. @@ -1570,9 +1497,7 @@ void BGRAToUVRow_NEON(const uint8* src_bgra, int src_stride_bgra, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v0.8h, v1.8h, v2.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_bgra), // %0 @@ -1586,18 +1511,19 @@ void BGRAToUVRow_NEON(const uint8* src_bgra, int src_stride_bgra, ); } -void ABGRToUVRow_NEON(const uint8* src_abgr, int src_stride_abgr, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_abgr_1 = src_abgr + src_stride_abgr; +void ABGRToUVRow_NEON(const uint8_t* src_abgr, + int src_stride_abgr, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_abgr_1 = src_abgr + src_stride_abgr; asm volatile ( RGBTOUV_SETUP_REG "1: \n" - MEMACCESS(0) "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 pixels. "uaddlp v3.8h, v2.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v2.8h, v1.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v1.8h, v0.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld4 {v4.16b,v5.16b,v6.16b,v7.16b}, [%1], #64 \n" // load 16 more. "uadalp v3.8h, v6.16b \n" // B 16 bytes -> 8 shorts. "uadalp v2.8h, v5.16b \n" // G 16 bytes -> 8 shorts. @@ -1609,9 +1535,7 @@ void ABGRToUVRow_NEON(const uint8* src_abgr, int src_stride_abgr, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v0.8h, v2.8h, v1.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_abgr), // %0 @@ -1625,18 +1549,19 @@ void ABGRToUVRow_NEON(const uint8* src_abgr, int src_stride_abgr, ); } -void RGBAToUVRow_NEON(const uint8* src_rgba, int src_stride_rgba, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_rgba_1 = src_rgba + src_stride_rgba; +void RGBAToUVRow_NEON(const uint8_t* src_rgba, + int src_stride_rgba, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_rgba_1 = src_rgba + src_stride_rgba; asm volatile ( RGBTOUV_SETUP_REG "1: \n" - MEMACCESS(0) "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 pixels. "uaddlp v0.8h, v1.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v1.8h, v2.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v2.8h, v3.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld4 {v4.16b,v5.16b,v6.16b,v7.16b}, [%1], #64 \n" // load 16 more. "uadalp v0.8h, v5.16b \n" // B 16 bytes -> 8 shorts. "uadalp v1.8h, v6.16b \n" // G 16 bytes -> 8 shorts. @@ -1648,9 +1573,7 @@ void RGBAToUVRow_NEON(const uint8* src_rgba, int src_stride_rgba, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v0.8h, v1.8h, v2.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_rgba), // %0 @@ -1664,18 +1587,19 @@ void RGBAToUVRow_NEON(const uint8* src_rgba, int src_stride_rgba, ); } -void RGB24ToUVRow_NEON(const uint8* src_rgb24, int src_stride_rgb24, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_rgb24_1 = src_rgb24 + src_stride_rgb24; +void RGB24ToUVRow_NEON(const uint8_t* src_rgb24, + int src_stride_rgb24, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_rgb24_1 = src_rgb24 + src_stride_rgb24; asm volatile ( RGBTOUV_SETUP_REG "1: \n" - MEMACCESS(0) "ld3 {v0.16b,v1.16b,v2.16b}, [%0], #48 \n" // load 16 pixels. "uaddlp v0.8h, v0.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v2.8h, v2.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld3 {v4.16b,v5.16b,v6.16b}, [%1], #48 \n" // load 16 more. "uadalp v0.8h, v4.16b \n" // B 16 bytes -> 8 shorts. "uadalp v1.8h, v5.16b \n" // G 16 bytes -> 8 shorts. @@ -1687,9 +1611,7 @@ void RGB24ToUVRow_NEON(const uint8* src_rgb24, int src_stride_rgb24, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v0.8h, v1.8h, v2.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_rgb24), // %0 @@ -1703,18 +1625,19 @@ void RGB24ToUVRow_NEON(const uint8* src_rgb24, int src_stride_rgb24, ); } -void RAWToUVRow_NEON(const uint8* src_raw, int src_stride_raw, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_raw_1 = src_raw + src_stride_raw; +void RAWToUVRow_NEON(const uint8_t* src_raw, + int src_stride_raw, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_raw_1 = src_raw + src_stride_raw; asm volatile ( RGBTOUV_SETUP_REG "1: \n" - MEMACCESS(0) "ld3 {v0.16b,v1.16b,v2.16b}, [%0], #48 \n" // load 8 RAW pixels. "uaddlp v2.8h, v2.16b \n" // B 16 bytes -> 8 shorts. "uaddlp v1.8h, v1.16b \n" // G 16 bytes -> 8 shorts. "uaddlp v0.8h, v0.16b \n" // R 16 bytes -> 8 shorts. - MEMACCESS(1) "ld3 {v4.16b,v5.16b,v6.16b}, [%1], #48 \n" // load 8 more RAW pixels "uadalp v2.8h, v6.16b \n" // B 16 bytes -> 8 shorts. "uadalp v1.8h, v5.16b \n" // G 16 bytes -> 8 shorts. @@ -1726,9 +1649,7 @@ void RAWToUVRow_NEON(const uint8* src_raw, int src_stride_raw, "subs %w4, %w4, #16 \n" // 32 processed per loop. RGBTOUV(v2.8h, v1.8h, v0.8h) - MEMACCESS(2) "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. "b.gt 1b \n" : "+r"(src_raw), // %0 @@ -1743,699 +1664,656 @@ void RAWToUVRow_NEON(const uint8* src_raw, int src_stride_raw, } // 16x2 pixels -> 8x1. width is number of argb pixels. e.g. 16. -void RGB565ToUVRow_NEON(const uint8* src_rgb565, int src_stride_rgb565, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_rgb565_1 = src_rgb565 + src_stride_rgb565; - asm volatile ( - "movi v22.8h, #56, lsl #0 \n" // UB / VR coeff (0.875) / 2 - "movi v23.8h, #37, lsl #0 \n" // UG coeff (-0.5781) / 2 - "movi v24.8h, #19, lsl #0 \n" // UR coeff (-0.2969) / 2 - "movi v25.8h, #9 , lsl #0 \n" // VB coeff (-0.1406) / 2 - "movi v26.8h, #47, lsl #0 \n" // VG coeff (-0.7344) / 2 - "movi v27.16b, #0x80 \n" // 128.5 (0x8080 in 16-bit) - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels. - RGB565TOARGB - "uaddlp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uaddlp v18.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uaddlp v20.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // next 8 RGB565 pixels. - RGB565TOARGB - "uaddlp v17.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uaddlp v19.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uaddlp v21.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" // load 8 RGB565 pixels. - RGB565TOARGB - "uadalp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uadalp v18.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uadalp v20.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" // next 8 RGB565 pixels. - RGB565TOARGB - "uadalp v17.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uadalp v19.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uadalp v21.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - - "ins v16.D[1], v17.D[0] \n" - "ins v18.D[1], v19.D[0] \n" - "ins v20.D[1], v21.D[0] \n" - - "urshr v4.8h, v16.8h, #1 \n" // 2x average - "urshr v5.8h, v18.8h, #1 \n" - "urshr v6.8h, v20.8h, #1 \n" - - "subs %w4, %w4, #16 \n" // 16 processed per loop. - "mul v16.8h, v4.8h, v22.8h \n" // B - "mls v16.8h, v5.8h, v23.8h \n" // G - "mls v16.8h, v6.8h, v24.8h \n" // R - "add v16.8h, v16.8h, v27.8h \n" // +128 -> unsigned - "mul v17.8h, v6.8h, v22.8h \n" // R - "mls v17.8h, v5.8h, v26.8h \n" // G - "mls v17.8h, v4.8h, v25.8h \n" // B - "add v17.8h, v17.8h, v27.8h \n" // +128 -> unsigned - "uqshrn v0.8b, v16.8h, #8 \n" // 16 bit to 8 bit U - "uqshrn v1.8b, v17.8h, #8 \n" // 16 bit to 8 bit V - MEMACCESS(2) - "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) - "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. - "b.gt 1b \n" - : "+r"(src_rgb565), // %0 - "+r"(src_rgb565_1), // %1 - "+r"(dst_u), // %2 - "+r"(dst_v), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", - "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", - "v25", "v26", "v27" - ); +void RGB565ToUVRow_NEON(const uint8_t* src_rgb565, + int src_stride_rgb565, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_rgb565_1 = src_rgb565 + src_stride_rgb565; + asm volatile( + "movi v22.8h, #56, lsl #0 \n" // UB / VR coeff (0.875) / + // 2 + "movi v23.8h, #37, lsl #0 \n" // UG coeff (-0.5781) / 2 + "movi v24.8h, #19, lsl #0 \n" // UR coeff (-0.2969) / 2 + "movi v25.8h, #9 , lsl #0 \n" // VB coeff (-0.1406) / 2 + "movi v26.8h, #47, lsl #0 \n" // VG coeff (-0.7344) / 2 + "movi v27.16b, #0x80 \n" // 128.5 0x8080 in 16bit + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels. + RGB565TOARGB + "uaddlp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uaddlp v18.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uaddlp v20.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + "ld1 {v0.16b}, [%0], #16 \n" // next 8 RGB565 pixels. + RGB565TOARGB + "uaddlp v17.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uaddlp v19.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uaddlp v21.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + + "ld1 {v0.16b}, [%1], #16 \n" // load 8 RGB565 pixels. + RGB565TOARGB + "uadalp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uadalp v18.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uadalp v20.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + "ld1 {v0.16b}, [%1], #16 \n" // next 8 RGB565 pixels. + RGB565TOARGB + "uadalp v17.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uadalp v19.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uadalp v21.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + + "ins v16.D[1], v17.D[0] \n" + "ins v18.D[1], v19.D[0] \n" + "ins v20.D[1], v21.D[0] \n" + + "urshr v4.8h, v16.8h, #1 \n" // 2x average + "urshr v5.8h, v18.8h, #1 \n" + "urshr v6.8h, v20.8h, #1 \n" + + "subs %w4, %w4, #16 \n" // 16 processed per loop. + "mul v16.8h, v4.8h, v22.8h \n" // B + "mls v16.8h, v5.8h, v23.8h \n" // G + "mls v16.8h, v6.8h, v24.8h \n" // R + "add v16.8h, v16.8h, v27.8h \n" // +128 -> unsigned + "mul v17.8h, v6.8h, v22.8h \n" // R + "mls v17.8h, v5.8h, v26.8h \n" // G + "mls v17.8h, v4.8h, v25.8h \n" // B + "add v17.8h, v17.8h, v27.8h \n" // +128 -> unsigned + "uqshrn v0.8b, v16.8h, #8 \n" // 16 bit to 8 bit U + "uqshrn v1.8b, v17.8h, #8 \n" // 16 bit to 8 bit V + "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. + "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. + "b.gt 1b \n" + : "+r"(src_rgb565), // %0 + "+r"(src_rgb565_1), // %1 + "+r"(dst_u), // %2 + "+r"(dst_v), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16", + "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", + "v27"); } // 16x2 pixels -> 8x1. width is number of argb pixels. e.g. 16. -void ARGB1555ToUVRow_NEON(const uint8* src_argb1555, int src_stride_argb1555, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_argb1555_1 = src_argb1555 + src_stride_argb1555; - asm volatile ( - RGBTOUV_SETUP_REG - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels. - RGB555TOARGB - "uaddlp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uaddlp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uaddlp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // next 8 ARGB1555 pixels. - RGB555TOARGB - "uaddlp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uaddlp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uaddlp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" // load 8 ARGB1555 pixels. - RGB555TOARGB - "uadalp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uadalp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uadalp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" // next 8 ARGB1555 pixels. - RGB555TOARGB - "uadalp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uadalp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uadalp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - - "ins v16.D[1], v26.D[0] \n" - "ins v17.D[1], v27.D[0] \n" - "ins v18.D[1], v28.D[0] \n" - - "urshr v4.8h, v16.8h, #1 \n" // 2x average - "urshr v5.8h, v17.8h, #1 \n" - "urshr v6.8h, v18.8h, #1 \n" - - "subs %w4, %w4, #16 \n" // 16 processed per loop. - "mul v2.8h, v4.8h, v20.8h \n" // B - "mls v2.8h, v5.8h, v21.8h \n" // G - "mls v2.8h, v6.8h, v22.8h \n" // R - "add v2.8h, v2.8h, v25.8h \n" // +128 -> unsigned - "mul v3.8h, v6.8h, v20.8h \n" // R - "mls v3.8h, v5.8h, v24.8h \n" // G - "mls v3.8h, v4.8h, v23.8h \n" // B - "add v3.8h, v3.8h, v25.8h \n" // +128 -> unsigned - "uqshrn v0.8b, v2.8h, #8 \n" // 16 bit to 8 bit U - "uqshrn v1.8b, v3.8h, #8 \n" // 16 bit to 8 bit V - MEMACCESS(2) - "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) - "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. - "b.gt 1b \n" - : "+r"(src_argb1555), // %0 - "+r"(src_argb1555_1), // %1 - "+r"(dst_u), // %2 - "+r"(dst_v), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", - "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", - "v26", "v27", "v28" - ); +void ARGB1555ToUVRow_NEON(const uint8_t* src_argb1555, + int src_stride_argb1555, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_argb1555_1 = src_argb1555 + src_stride_argb1555; + asm volatile( + RGBTOUV_SETUP_REG + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels. + RGB555TOARGB + "uaddlp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uaddlp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uaddlp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + "ld1 {v0.16b}, [%0], #16 \n" // next 8 ARGB1555 pixels. + RGB555TOARGB + "uaddlp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uaddlp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uaddlp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + + "ld1 {v0.16b}, [%1], #16 \n" // load 8 ARGB1555 pixels. + RGB555TOARGB + "uadalp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uadalp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uadalp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + "ld1 {v0.16b}, [%1], #16 \n" // next 8 ARGB1555 pixels. + RGB555TOARGB + "uadalp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uadalp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uadalp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + + "ins v16.D[1], v26.D[0] \n" + "ins v17.D[1], v27.D[0] \n" + "ins v18.D[1], v28.D[0] \n" + + "urshr v4.8h, v16.8h, #1 \n" // 2x average + "urshr v5.8h, v17.8h, #1 \n" + "urshr v6.8h, v18.8h, #1 \n" + + "subs %w4, %w4, #16 \n" // 16 processed per loop. + "mul v2.8h, v4.8h, v20.8h \n" // B + "mls v2.8h, v5.8h, v21.8h \n" // G + "mls v2.8h, v6.8h, v22.8h \n" // R + "add v2.8h, v2.8h, v25.8h \n" // +128 -> unsigned + "mul v3.8h, v6.8h, v20.8h \n" // R + "mls v3.8h, v5.8h, v24.8h \n" // G + "mls v3.8h, v4.8h, v23.8h \n" // B + "add v3.8h, v3.8h, v25.8h \n" // +128 -> unsigned + "uqshrn v0.8b, v2.8h, #8 \n" // 16 bit to 8 bit U + "uqshrn v1.8b, v3.8h, #8 \n" // 16 bit to 8 bit V + "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. + "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. + "b.gt 1b \n" + : "+r"(src_argb1555), // %0 + "+r"(src_argb1555_1), // %1 + "+r"(dst_u), // %2 + "+r"(dst_v), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v16", "v17", + "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", + "v28"); } // 16x2 pixels -> 8x1. width is number of argb pixels. e.g. 16. -void ARGB4444ToUVRow_NEON(const uint8* src_argb4444, int src_stride_argb4444, - uint8* dst_u, uint8* dst_v, int width) { - const uint8* src_argb4444_1 = src_argb4444 + src_stride_argb4444; - asm volatile ( - RGBTOUV_SETUP_REG - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels. - ARGB4444TOARGB - "uaddlp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uaddlp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uaddlp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // next 8 ARGB4444 pixels. - ARGB4444TOARGB - "uaddlp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uaddlp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uaddlp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" // load 8 ARGB4444 pixels. - ARGB4444TOARGB - "uadalp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uadalp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uadalp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" // next 8 ARGB4444 pixels. - ARGB4444TOARGB - "uadalp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. - "uadalp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. - "uadalp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. - - "ins v16.D[1], v26.D[0] \n" - "ins v17.D[1], v27.D[0] \n" - "ins v18.D[1], v28.D[0] \n" - - "urshr v4.8h, v16.8h, #1 \n" // 2x average - "urshr v5.8h, v17.8h, #1 \n" - "urshr v6.8h, v18.8h, #1 \n" - - "subs %w4, %w4, #16 \n" // 16 processed per loop. - "mul v2.8h, v4.8h, v20.8h \n" // B - "mls v2.8h, v5.8h, v21.8h \n" // G - "mls v2.8h, v6.8h, v22.8h \n" // R - "add v2.8h, v2.8h, v25.8h \n" // +128 -> unsigned - "mul v3.8h, v6.8h, v20.8h \n" // R - "mls v3.8h, v5.8h, v24.8h \n" // G - "mls v3.8h, v4.8h, v23.8h \n" // B - "add v3.8h, v3.8h, v25.8h \n" // +128 -> unsigned - "uqshrn v0.8b, v2.8h, #8 \n" // 16 bit to 8 bit U - "uqshrn v1.8b, v3.8h, #8 \n" // 16 bit to 8 bit V - MEMACCESS(2) - "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. - MEMACCESS(3) - "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. - "b.gt 1b \n" - : "+r"(src_argb4444), // %0 - "+r"(src_argb4444_1), // %1 - "+r"(dst_u), // %2 - "+r"(dst_v), // %3 - "+r"(width) // %4 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", - "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", - "v26", "v27", "v28" - - ); -} - -void RGB565ToYRow_NEON(const uint8* src_rgb565, uint8* dst_y, int width) { - asm volatile ( - "movi v24.8b, #13 \n" // B * 0.1016 coefficient - "movi v25.8b, #65 \n" // G * 0.5078 coefficient - "movi v26.8b, #33 \n" // R * 0.2578 coefficient - "movi v27.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - RGB565TOARGB - "umull v3.8h, v0.8b, v24.8b \n" // B - "umlal v3.8h, v1.8b, v25.8b \n" // G - "umlal v3.8h, v2.8b, v26.8b \n" // R - "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v27.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_rgb565), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v6", - "v24", "v25", "v26", "v27" - ); -} - -void ARGB1555ToYRow_NEON(const uint8* src_argb1555, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #13 \n" // B * 0.1016 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #33 \n" // R * 0.2578 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGB1555TOARGB - "umull v3.8h, v0.8b, v4.8b \n" // B - "umlal v3.8h, v1.8b, v5.8b \n" // G - "umlal v3.8h, v2.8b, v6.8b \n" // R - "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_argb1555), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" - ); -} - -void ARGB4444ToYRow_NEON(const uint8* src_argb4444, uint8* dst_y, int width) { - asm volatile ( - "movi v24.8b, #13 \n" // B * 0.1016 coefficient - "movi v25.8b, #65 \n" // G * 0.5078 coefficient - "movi v26.8b, #33 \n" // R * 0.2578 coefficient - "movi v27.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - ARGB4444TOARGB - "umull v3.8h, v0.8b, v24.8b \n" // B - "umlal v3.8h, v1.8b, v25.8b \n" // G - "umlal v3.8h, v2.8b, v26.8b \n" // R - "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v27.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_argb4444), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v24", "v25", "v26", "v27" - ); -} - -void BGRAToYRow_NEON(const uint8* src_bgra, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #33 \n" // R * 0.2578 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #13 \n" // B * 0.1016 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v16.8h, v1.8b, v4.8b \n" // R - "umlal v16.8h, v2.8b, v5.8b \n" // G - "umlal v16.8h, v3.8b, v6.8b \n" // B - "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_bgra), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" - ); -} - -void ABGRToYRow_NEON(const uint8* src_abgr, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #33 \n" // R * 0.2578 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #13 \n" // B * 0.1016 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v16.8h, v0.8b, v4.8b \n" // R - "umlal v16.8h, v1.8b, v5.8b \n" // G - "umlal v16.8h, v2.8b, v6.8b \n" // B - "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_abgr), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" - ); -} - -void RGBAToYRow_NEON(const uint8* src_rgba, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #13 \n" // B * 0.1016 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #33 \n" // R * 0.2578 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v16.8h, v1.8b, v4.8b \n" // B - "umlal v16.8h, v2.8b, v5.8b \n" // G - "umlal v16.8h, v3.8b, v6.8b \n" // R - "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_rgba), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" - ); -} - -void RGB24ToYRow_NEON(const uint8* src_rgb24, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #13 \n" // B * 0.1016 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #33 \n" // R * 0.2578 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // load 8 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v16.8h, v0.8b, v4.8b \n" // B - "umlal v16.8h, v1.8b, v5.8b \n" // G - "umlal v16.8h, v2.8b, v6.8b \n" // R - "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_rgb24), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" - ); -} - -void RAWToYRow_NEON(const uint8* src_raw, uint8* dst_y, int width) { - asm volatile ( - "movi v4.8b, #33 \n" // R * 0.2578 coefficient - "movi v5.8b, #65 \n" // G * 0.5078 coefficient - "movi v6.8b, #13 \n" // B * 0.1016 coefficient - "movi v7.8b, #16 \n" // Add 16 constant - "1: \n" - MEMACCESS(0) - "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // load 8 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v16.8h, v0.8b, v4.8b \n" // B - "umlal v16.8h, v1.8b, v5.8b \n" // G - "umlal v16.8h, v2.8b, v6.8b \n" // R - "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y - "uqadd v0.8b, v0.8b, v7.8b \n" - MEMACCESS(1) - "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. - "b.gt 1b \n" - : "+r"(src_raw), // %0 - "+r"(dst_y), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" - ); +void ARGB4444ToUVRow_NEON(const uint8_t* src_argb4444, + int src_stride_argb4444, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + const uint8_t* src_argb4444_1 = src_argb4444 + src_stride_argb4444; + asm volatile( + RGBTOUV_SETUP_REG + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels. + ARGB4444TOARGB + "uaddlp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uaddlp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uaddlp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + "ld1 {v0.16b}, [%0], #16 \n" // next 8 ARGB4444 pixels. + ARGB4444TOARGB + "uaddlp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uaddlp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uaddlp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + + "ld1 {v0.16b}, [%1], #16 \n" // load 8 ARGB4444 pixels. + ARGB4444TOARGB + "uadalp v16.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uadalp v17.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uadalp v18.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + "ld1 {v0.16b}, [%1], #16 \n" // next 8 ARGB4444 pixels. + ARGB4444TOARGB + "uadalp v26.4h, v0.8b \n" // B 8 bytes -> 4 shorts. + "uadalp v27.4h, v1.8b \n" // G 8 bytes -> 4 shorts. + "uadalp v28.4h, v2.8b \n" // R 8 bytes -> 4 shorts. + + "ins v16.D[1], v26.D[0] \n" + "ins v17.D[1], v27.D[0] \n" + "ins v18.D[1], v28.D[0] \n" + + "urshr v4.8h, v16.8h, #1 \n" // 2x average + "urshr v5.8h, v17.8h, #1 \n" + "urshr v6.8h, v18.8h, #1 \n" + + "subs %w4, %w4, #16 \n" // 16 processed per loop. + "mul v2.8h, v4.8h, v20.8h \n" // B + "mls v2.8h, v5.8h, v21.8h \n" // G + "mls v2.8h, v6.8h, v22.8h \n" // R + "add v2.8h, v2.8h, v25.8h \n" // +128 -> unsigned + "mul v3.8h, v6.8h, v20.8h \n" // R + "mls v3.8h, v5.8h, v24.8h \n" // G + "mls v3.8h, v4.8h, v23.8h \n" // B + "add v3.8h, v3.8h, v25.8h \n" // +128 -> unsigned + "uqshrn v0.8b, v2.8h, #8 \n" // 16 bit to 8 bit U + "uqshrn v1.8b, v3.8h, #8 \n" // 16 bit to 8 bit V + "st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U. + "st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V. + "b.gt 1b \n" + : "+r"(src_argb4444), // %0 + "+r"(src_argb4444_1), // %1 + "+r"(dst_u), // %2 + "+r"(dst_v), // %3 + "+r"(width) // %4 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v16", "v17", + "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", + "v28" + + ); +} + +void RGB565ToYRow_NEON(const uint8_t* src_rgb565, uint8_t* dst_y, int width) { + asm volatile( + "movi v24.8b, #13 \n" // B * 0.1016 coefficient + "movi v25.8b, #65 \n" // G * 0.5078 coefficient + "movi v26.8b, #33 \n" // R * 0.2578 coefficient + "movi v27.8b, #16 \n" // Add 16 constant + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + RGB565TOARGB + "umull v3.8h, v0.8b, v24.8b \n" // B + "umlal v3.8h, v1.8b, v25.8b \n" // G + "umlal v3.8h, v2.8b, v26.8b \n" // R + "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v27.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_rgb565), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v6", "v24", "v25", "v26", + "v27"); +} + +void ARGB1555ToYRow_NEON(const uint8_t* src_argb1555, + uint8_t* dst_y, + int width) { + asm volatile( + "movi v4.8b, #13 \n" // B * 0.1016 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #33 \n" // R * 0.2578 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGB1555TOARGB + "umull v3.8h, v0.8b, v4.8b \n" // B + "umlal v3.8h, v1.8b, v5.8b \n" // G + "umlal v3.8h, v2.8b, v6.8b \n" // R + "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_argb1555), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"); +} + +void ARGB4444ToYRow_NEON(const uint8_t* src_argb4444, + uint8_t* dst_y, + int width) { + asm volatile( + "movi v24.8b, #13 \n" // B * 0.1016 coefficient + "movi v25.8b, #65 \n" // G * 0.5078 coefficient + "movi v26.8b, #33 \n" // R * 0.2578 coefficient + "movi v27.8b, #16 \n" // Add 16 constant + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + ARGB4444TOARGB + "umull v3.8h, v0.8b, v24.8b \n" // B + "umlal v3.8h, v1.8b, v25.8b \n" // G + "umlal v3.8h, v2.8b, v26.8b \n" // R + "sqrshrun v0.8b, v3.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v27.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_argb4444), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v24", "v25", "v26", "v27"); +} + +void BGRAToYRow_NEON(const uint8_t* src_bgra, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #33 \n" // R * 0.2578 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #13 \n" // B * 0.1016 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v16.8h, v1.8b, v4.8b \n" // R + "umlal v16.8h, v2.8b, v5.8b \n" // G + "umlal v16.8h, v3.8b, v6.8b \n" // B + "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_bgra), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"); +} + +void ABGRToYRow_NEON(const uint8_t* src_abgr, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #33 \n" // R * 0.2578 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #13 \n" // B * 0.1016 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v16.8h, v0.8b, v4.8b \n" // R + "umlal v16.8h, v1.8b, v5.8b \n" // G + "umlal v16.8h, v2.8b, v6.8b \n" // B + "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_abgr), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"); +} + +void RGBAToYRow_NEON(const uint8_t* src_rgba, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #13 \n" // B * 0.1016 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #33 \n" // R * 0.2578 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v16.8h, v1.8b, v4.8b \n" // B + "umlal v16.8h, v2.8b, v5.8b \n" // G + "umlal v16.8h, v3.8b, v6.8b \n" // R + "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_rgba), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"); +} + +void RGB24ToYRow_NEON(const uint8_t* src_rgb24, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #13 \n" // B * 0.1016 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #33 \n" // R * 0.2578 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // load 8 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v16.8h, v0.8b, v4.8b \n" // B + "umlal v16.8h, v1.8b, v5.8b \n" // G + "umlal v16.8h, v2.8b, v6.8b \n" // R + "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_rgb24), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"); +} + +void RAWToYRow_NEON(const uint8_t* src_raw, uint8_t* dst_y, int width) { + asm volatile( + "movi v4.8b, #33 \n" // R * 0.2578 coefficient + "movi v5.8b, #65 \n" // G * 0.5078 coefficient + "movi v6.8b, #13 \n" // B * 0.1016 coefficient + "movi v7.8b, #16 \n" // Add 16 constant + "1: \n" + "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // load 8 pixels. + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v16.8h, v0.8b, v4.8b \n" // B + "umlal v16.8h, v1.8b, v5.8b \n" // G + "umlal v16.8h, v2.8b, v6.8b \n" // R + "sqrshrun v0.8b, v16.8h, #7 \n" // 16 bit to 8 bit Y + "uqadd v0.8b, v0.8b, v7.8b \n" + "st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y. + "b.gt 1b \n" + : "+r"(src_raw), // %0 + "+r"(dst_y), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16"); } // Bilinear filter 16x2 -> 16x1 -void InterpolateRow_NEON(uint8* dst_ptr, - const uint8* src_ptr, ptrdiff_t src_stride, - int dst_width, int source_y_fraction) { +void InterpolateRow_NEON(uint8_t* dst_ptr, + const uint8_t* src_ptr, + ptrdiff_t src_stride, + int dst_width, + int source_y_fraction) { int y1_fraction = source_y_fraction; int y0_fraction = 256 - y1_fraction; - const uint8* src_ptr1 = src_ptr + src_stride; - asm volatile ( - "cmp %w4, #0 \n" - "b.eq 100f \n" - "cmp %w4, #128 \n" - "b.eq 50f \n" - - "dup v5.16b, %w4 \n" - "dup v4.16b, %w5 \n" - // General purpose row blend. - "1: \n" - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" - MEMACCESS(2) - "ld1 {v1.16b}, [%2], #16 \n" - "subs %w3, %w3, #16 \n" - "umull v2.8h, v0.8b, v4.8b \n" - "umull2 v3.8h, v0.16b, v4.16b \n" - "umlal v2.8h, v1.8b, v5.8b \n" - "umlal2 v3.8h, v1.16b, v5.16b \n" - "rshrn v0.8b, v2.8h, #8 \n" - "rshrn2 v0.16b, v3.8h, #8 \n" - MEMACCESS(0) - "st1 {v0.16b}, [%0], #16 \n" - "b.gt 1b \n" - "b 99f \n" - - // Blend 50 / 50. - "50: \n" - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" - MEMACCESS(2) - "ld1 {v1.16b}, [%2], #16 \n" - "subs %w3, %w3, #16 \n" - "urhadd v0.16b, v0.16b, v1.16b \n" - MEMACCESS(0) - "st1 {v0.16b}, [%0], #16 \n" - "b.gt 50b \n" - "b 99f \n" - - // Blend 100 / 0 - Copy row unchanged. - "100: \n" - MEMACCESS(1) - "ld1 {v0.16b}, [%1], #16 \n" - "subs %w3, %w3, #16 \n" - MEMACCESS(0) - "st1 {v0.16b}, [%0], #16 \n" - "b.gt 100b \n" - - "99: \n" - : "+r"(dst_ptr), // %0 - "+r"(src_ptr), // %1 - "+r"(src_ptr1), // %2 - "+r"(dst_width), // %3 - "+r"(y1_fraction), // %4 - "+r"(y0_fraction) // %5 - : - : "cc", "memory", "v0", "v1", "v3", "v4", "v5" - ); + const uint8_t* src_ptr1 = src_ptr + src_stride; + asm volatile( + "cmp %w4, #0 \n" + "b.eq 100f \n" + "cmp %w4, #128 \n" + "b.eq 50f \n" + + "dup v5.16b, %w4 \n" + "dup v4.16b, %w5 \n" + // General purpose row blend. + "1: \n" + "ld1 {v0.16b}, [%1], #16 \n" + "ld1 {v1.16b}, [%2], #16 \n" + "subs %w3, %w3, #16 \n" + "umull v2.8h, v0.8b, v4.8b \n" + "umull2 v3.8h, v0.16b, v4.16b \n" + "umlal v2.8h, v1.8b, v5.8b \n" + "umlal2 v3.8h, v1.16b, v5.16b \n" + "rshrn v0.8b, v2.8h, #8 \n" + "rshrn2 v0.16b, v3.8h, #8 \n" + "st1 {v0.16b}, [%0], #16 \n" + "b.gt 1b \n" + "b 99f \n" + + // Blend 50 / 50. + "50: \n" + "ld1 {v0.16b}, [%1], #16 \n" + "ld1 {v1.16b}, [%2], #16 \n" + "subs %w3, %w3, #16 \n" + "urhadd v0.16b, v0.16b, v1.16b \n" + "st1 {v0.16b}, [%0], #16 \n" + "b.gt 50b \n" + "b 99f \n" + + // Blend 100 / 0 - Copy row unchanged. + "100: \n" + "ld1 {v0.16b}, [%1], #16 \n" + "subs %w3, %w3, #16 \n" + "st1 {v0.16b}, [%0], #16 \n" + "b.gt 100b \n" + + "99: \n" + : "+r"(dst_ptr), // %0 + "+r"(src_ptr), // %1 + "+r"(src_ptr1), // %2 + "+r"(dst_width), // %3 + "+r"(y1_fraction), // %4 + "+r"(y0_fraction) // %5 + : + : "cc", "memory", "v0", "v1", "v3", "v4", "v5"); } // dr * (256 - sa) / 256 + sr = dr - dr * sa / 256 + sr -void ARGBBlendRow_NEON(const uint8* src_argb0, const uint8* src_argb1, - uint8* dst_argb, int width) { - asm volatile ( - "subs %w3, %w3, #8 \n" - "b.lt 89f \n" - // Blend 8 pixels. - "8: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB0 pixels - MEMACCESS(1) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 ARGB1 pixels - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "umull v16.8h, v4.8b, v3.8b \n" // db * a - "umull v17.8h, v5.8b, v3.8b \n" // dg * a - "umull v18.8h, v6.8b, v3.8b \n" // dr * a - "uqrshrn v16.8b, v16.8h, #8 \n" // db >>= 8 - "uqrshrn v17.8b, v17.8h, #8 \n" // dg >>= 8 - "uqrshrn v18.8b, v18.8h, #8 \n" // dr >>= 8 - "uqsub v4.8b, v4.8b, v16.8b \n" // db - (db * a / 256) - "uqsub v5.8b, v5.8b, v17.8b \n" // dg - (dg * a / 256) - "uqsub v6.8b, v6.8b, v18.8b \n" // dr - (dr * a / 256) - "uqadd v0.8b, v0.8b, v4.8b \n" // + sb - "uqadd v1.8b, v1.8b, v5.8b \n" // + sg - "uqadd v2.8b, v2.8b, v6.8b \n" // + sr - "movi v3.8b, #255 \n" // a = 255 - MEMACCESS(2) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB pixels - "b.ge 8b \n" - - "89: \n" - "adds %w3, %w3, #8-1 \n" - "b.lt 99f \n" - - // Blend 1 pixels. - "1: \n" - MEMACCESS(0) - "ld4 {v0.b,v1.b,v2.b,v3.b}[0], [%0], #4 \n" // load 1 pixel ARGB0. - MEMACCESS(1) - "ld4 {v4.b,v5.b,v6.b,v7.b}[0], [%1], #4 \n" // load 1 pixel ARGB1. - "subs %w3, %w3, #1 \n" // 1 processed per loop. - "umull v16.8h, v4.8b, v3.8b \n" // db * a - "umull v17.8h, v5.8b, v3.8b \n" // dg * a - "umull v18.8h, v6.8b, v3.8b \n" // dr * a - "uqrshrn v16.8b, v16.8h, #8 \n" // db >>= 8 - "uqrshrn v17.8b, v17.8h, #8 \n" // dg >>= 8 - "uqrshrn v18.8b, v18.8h, #8 \n" // dr >>= 8 - "uqsub v4.8b, v4.8b, v16.8b \n" // db - (db * a / 256) - "uqsub v5.8b, v5.8b, v17.8b \n" // dg - (dg * a / 256) - "uqsub v6.8b, v6.8b, v18.8b \n" // dr - (dr * a / 256) - "uqadd v0.8b, v0.8b, v4.8b \n" // + sb - "uqadd v1.8b, v1.8b, v5.8b \n" // + sg - "uqadd v2.8b, v2.8b, v6.8b \n" // + sr - "movi v3.8b, #255 \n" // a = 255 - MEMACCESS(2) - "st4 {v0.b,v1.b,v2.b,v3.b}[0], [%2], #4 \n" // store 1 pixel. - "b.ge 1b \n" - - "99: \n" - - : "+r"(src_argb0), // %0 - "+r"(src_argb1), // %1 - "+r"(dst_argb), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", - "v16", "v17", "v18" - ); +void ARGBBlendRow_NEON(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + asm volatile( + "subs %w3, %w3, #8 \n" + "b.lt 89f \n" + // Blend 8 pixels. + "8: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB0 + // pixels + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 ARGB1 + // pixels + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "umull v16.8h, v4.8b, v3.8b \n" // db * a + "umull v17.8h, v5.8b, v3.8b \n" // dg * a + "umull v18.8h, v6.8b, v3.8b \n" // dr * a + "uqrshrn v16.8b, v16.8h, #8 \n" // db >>= 8 + "uqrshrn v17.8b, v17.8h, #8 \n" // dg >>= 8 + "uqrshrn v18.8b, v18.8h, #8 \n" // dr >>= 8 + "uqsub v4.8b, v4.8b, v16.8b \n" // db - (db * a / 256) + "uqsub v5.8b, v5.8b, v17.8b \n" // dg - (dg * a / 256) + "uqsub v6.8b, v6.8b, v18.8b \n" // dr - (dr * a / 256) + "uqadd v0.8b, v0.8b, v4.8b \n" // + sb + "uqadd v1.8b, v1.8b, v5.8b \n" // + sg + "uqadd v2.8b, v2.8b, v6.8b \n" // + sr + "movi v3.8b, #255 \n" // a = 255 + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB + // pixels + "b.ge 8b \n" + + "89: \n" + "adds %w3, %w3, #8-1 \n" + "b.lt 99f \n" + + // Blend 1 pixels. + "1: \n" + "ld4 {v0.b,v1.b,v2.b,v3.b}[0], [%0], #4 \n" // load 1 pixel ARGB0. + "ld4 {v4.b,v5.b,v6.b,v7.b}[0], [%1], #4 \n" // load 1 pixel ARGB1. + "subs %w3, %w3, #1 \n" // 1 processed per loop. + "umull v16.8h, v4.8b, v3.8b \n" // db * a + "umull v17.8h, v5.8b, v3.8b \n" // dg * a + "umull v18.8h, v6.8b, v3.8b \n" // dr * a + "uqrshrn v16.8b, v16.8h, #8 \n" // db >>= 8 + "uqrshrn v17.8b, v17.8h, #8 \n" // dg >>= 8 + "uqrshrn v18.8b, v18.8h, #8 \n" // dr >>= 8 + "uqsub v4.8b, v4.8b, v16.8b \n" // db - (db * a / 256) + "uqsub v5.8b, v5.8b, v17.8b \n" // dg - (dg * a / 256) + "uqsub v6.8b, v6.8b, v18.8b \n" // dr - (dr * a / 256) + "uqadd v0.8b, v0.8b, v4.8b \n" // + sb + "uqadd v1.8b, v1.8b, v5.8b \n" // + sg + "uqadd v2.8b, v2.8b, v6.8b \n" // + sr + "movi v3.8b, #255 \n" // a = 255 + "st4 {v0.b,v1.b,v2.b,v3.b}[0], [%2], #4 \n" // store 1 pixel. + "b.ge 1b \n" + + "99: \n" + + : "+r"(src_argb0), // %0 + "+r"(src_argb1), // %1 + "+r"(dst_argb), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16", + "v17", "v18"); } // Attenuate 8 pixels at a time. -void ARGBAttenuateRow_NEON(const uint8* src_argb, uint8* dst_argb, int width) { - asm volatile ( - // Attenuate 8 pixels. - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v4.8h, v0.8b, v3.8b \n" // b * a - "umull v5.8h, v1.8b, v3.8b \n" // g * a - "umull v6.8h, v2.8b, v3.8b \n" // r * a - "uqrshrn v0.8b, v4.8h, #8 \n" // b >>= 8 - "uqrshrn v1.8b, v5.8h, #8 \n" // g >>= 8 - "uqrshrn v2.8b, v6.8h, #8 \n" // r >>= 8 - MEMACCESS(1) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6" - ); +void ARGBAttenuateRow_NEON(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + asm volatile( + // Attenuate 8 pixels. + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v4.8h, v0.8b, v3.8b \n" // b * a + "umull v5.8h, v1.8b, v3.8b \n" // g * a + "umull v6.8h, v2.8b, v3.8b \n" // r * a + "uqrshrn v0.8b, v4.8h, #8 \n" // b >>= 8 + "uqrshrn v1.8b, v5.8h, #8 \n" // g >>= 8 + "uqrshrn v2.8b, v6.8h, #8 \n" // r >>= 8 + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 ARGB + // pixels + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6"); } // Quantize 8 ARGB pixels (32 bytes). // dst = (dst * scale >> 16) * interval_size + interval_offset; -void ARGBQuantizeRow_NEON(uint8* dst_argb, int scale, int interval_size, - int interval_offset, int width) { - asm volatile ( - "dup v4.8h, %w2 \n" - "ushr v4.8h, v4.8h, #1 \n" // scale >>= 1 - "dup v5.8h, %w3 \n" // interval multiply. - "dup v6.8h, %w4 \n" // interval add - - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0] \n" // load 8 pixels of ARGB. - "subs %w1, %w1, #8 \n" // 8 processed per loop. - "uxtl v0.8h, v0.8b \n" // b (0 .. 255) - "uxtl v1.8h, v1.8b \n" - "uxtl v2.8h, v2.8b \n" - "sqdmulh v0.8h, v0.8h, v4.8h \n" // b * scale - "sqdmulh v1.8h, v1.8h, v4.8h \n" // g - "sqdmulh v2.8h, v2.8h, v4.8h \n" // r - "mul v0.8h, v0.8h, v5.8h \n" // b * interval_size - "mul v1.8h, v1.8h, v5.8h \n" // g - "mul v2.8h, v2.8h, v5.8h \n" // r - "add v0.8h, v0.8h, v6.8h \n" // b + interval_offset - "add v1.8h, v1.8h, v6.8h \n" // g - "add v2.8h, v2.8h, v6.8h \n" // r - "uqxtn v0.8b, v0.8h \n" - "uqxtn v1.8b, v1.8h \n" - "uqxtn v2.8b, v2.8h \n" - MEMACCESS(0) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(dst_argb), // %0 - "+r"(width) // %1 - : "r"(scale), // %2 - "r"(interval_size), // %3 - "r"(interval_offset) // %4 - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6" - ); +void ARGBQuantizeRow_NEON(uint8_t* dst_argb, + int scale, + int interval_size, + int interval_offset, + int width) { + asm volatile( + "dup v4.8h, %w2 \n" + "ushr v4.8h, v4.8h, #1 \n" // scale >>= 1 + "dup v5.8h, %w3 \n" // interval multiply. + "dup v6.8h, %w4 \n" // interval add + + // 8 pixel loop. + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0] \n" // load 8 ARGB. + "subs %w1, %w1, #8 \n" // 8 processed per loop. + "uxtl v0.8h, v0.8b \n" // b (0 .. 255) + "uxtl v1.8h, v1.8b \n" + "uxtl v2.8h, v2.8b \n" + "sqdmulh v0.8h, v0.8h, v4.8h \n" // b * scale + "sqdmulh v1.8h, v1.8h, v4.8h \n" // g + "sqdmulh v2.8h, v2.8h, v4.8h \n" // r + "mul v0.8h, v0.8h, v5.8h \n" // b * interval_size + "mul v1.8h, v1.8h, v5.8h \n" // g + "mul v2.8h, v2.8h, v5.8h \n" // r + "add v0.8h, v0.8h, v6.8h \n" // b + interval_offset + "add v1.8h, v1.8h, v6.8h \n" // g + "add v2.8h, v2.8h, v6.8h \n" // r + "uqxtn v0.8b, v0.8h \n" + "uqxtn v1.8b, v1.8h \n" + "uqxtn v2.8b, v2.8h \n" + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(dst_argb), // %0 + "+r"(width) // %1 + : "r"(scale), // %2 + "r"(interval_size), // %3 + "r"(interval_offset) // %4 + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6"); } // Shade 8 pixels at a time by specified value. // NOTE vqrdmulh.s16 q10, q10, d0[0] must use a scaler register from 0 to 8. // Rounding in vqrdmulh does +1 to high if high bit of low s16 is set. -void ARGBShadeRow_NEON(const uint8* src_argb, uint8* dst_argb, int width, - uint32 value) { - asm volatile ( - "dup v0.4s, %w3 \n" // duplicate scale value. - "zip1 v0.8b, v0.8b, v0.8b \n" // v0.8b aarrggbb. - "ushr v0.8h, v0.8h, #1 \n" // scale / 2. - - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%0], #32 \n" // load 8 ARGB pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "uxtl v4.8h, v4.8b \n" // b (0 .. 255) - "uxtl v5.8h, v5.8b \n" - "uxtl v6.8h, v6.8b \n" - "uxtl v7.8h, v7.8b \n" - "sqrdmulh v4.8h, v4.8h, v0.h[0] \n" // b * scale * 2 - "sqrdmulh v5.8h, v5.8h, v0.h[1] \n" // g - "sqrdmulh v6.8h, v6.8h, v0.h[2] \n" // r - "sqrdmulh v7.8h, v7.8h, v0.h[3] \n" // a - "uqxtn v4.8b, v4.8h \n" - "uqxtn v5.8b, v5.8h \n" - "uqxtn v6.8b, v6.8h \n" - "uqxtn v7.8b, v7.8h \n" - MEMACCESS(1) - "st4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : "r"(value) // %3 - : "cc", "memory", "v0", "v4", "v5", "v6", "v7" - ); +void ARGBShadeRow_NEON(const uint8_t* src_argb, + uint8_t* dst_argb, + int width, + uint32_t value) { + asm volatile( + "dup v0.4s, %w3 \n" // duplicate scale value. + "zip1 v0.8b, v0.8b, v0.8b \n" // v0.8b aarrggbb. + "ushr v0.8h, v0.8h, #1 \n" // scale / 2. + + // 8 pixel loop. + "1: \n" + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "uxtl v4.8h, v4.8b \n" // b (0 .. 255) + "uxtl v5.8h, v5.8b \n" + "uxtl v6.8h, v6.8b \n" + "uxtl v7.8h, v7.8b \n" + "sqrdmulh v4.8h, v4.8h, v0.h[0] \n" // b * scale * 2 + "sqrdmulh v5.8h, v5.8h, v0.h[1] \n" // g + "sqrdmulh v6.8h, v6.8h, v0.h[2] \n" // r + "sqrdmulh v7.8h, v7.8h, v0.h[3] \n" // a + "uqxtn v4.8b, v4.8h \n" + "uqxtn v5.8b, v5.8h \n" + "uqxtn v6.8b, v6.8h \n" + "uqxtn v7.8b, v7.8h \n" + "st4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : "r"(value) // %3 + : "cc", "memory", "v0", "v4", "v5", "v6", "v7"); } // Convert 8 ARGB pixels (64 bytes) to 8 Gray ARGB pixels // Similar to ARGBToYJ but stores ARGB. // C code is (15 * b + 75 * g + 38 * r + 64) >> 7; -void ARGBGrayRow_NEON(const uint8* src_argb, uint8* dst_argb, int width) { - asm volatile ( - "movi v24.8b, #15 \n" // B * 0.11400 coefficient - "movi v25.8b, #75 \n" // G * 0.58700 coefficient - "movi v26.8b, #38 \n" // R * 0.29900 coefficient - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "umull v4.8h, v0.8b, v24.8b \n" // B - "umlal v4.8h, v1.8b, v25.8b \n" // G - "umlal v4.8h, v2.8b, v26.8b \n" // R - "sqrshrun v0.8b, v4.8h, #7 \n" // 15 bit to 8 bit B - "orr v1.8b, v0.8b, v0.8b \n" // G - "orr v2.8b, v0.8b, v0.8b \n" // R - MEMACCESS(1) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 pixels. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v24", "v25", "v26" - ); +void ARGBGrayRow_NEON(const uint8_t* src_argb, uint8_t* dst_argb, int width) { + asm volatile( + "movi v24.8b, #15 \n" // B * 0.11400 coefficient + "movi v25.8b, #75 \n" // G * 0.58700 coefficient + "movi v26.8b, #38 \n" // R * 0.29900 coefficient + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "umull v4.8h, v0.8b, v24.8b \n" // B + "umlal v4.8h, v1.8b, v25.8b \n" // G + "umlal v4.8h, v2.8b, v26.8b \n" // R + "sqrshrun v0.8b, v4.8h, #7 \n" // 15 bit to 8 bit B + "orr v1.8b, v0.8b, v0.8b \n" // G + "orr v2.8b, v0.8b, v0.8b \n" // R + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%1], #32 \n" // store 8 pixels. + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v24", "v25", "v26"); } // Convert 8 ARGB pixels (32 bytes) to 8 Sepia ARGB pixels. @@ -2443,194 +2321,180 @@ void ARGBGrayRow_NEON(const uint8* src_argb, uint8* dst_argb, int width) { // g = (r * 45 + g * 88 + b * 22) >> 7 // r = (r * 50 + g * 98 + b * 24) >> 7 -void ARGBSepiaRow_NEON(uint8* dst_argb, int width) { - asm volatile ( - "movi v20.8b, #17 \n" // BB coefficient - "movi v21.8b, #68 \n" // BG coefficient - "movi v22.8b, #35 \n" // BR coefficient - "movi v24.8b, #22 \n" // GB coefficient - "movi v25.8b, #88 \n" // GG coefficient - "movi v26.8b, #45 \n" // GR coefficient - "movi v28.8b, #24 \n" // BB coefficient - "movi v29.8b, #98 \n" // BG coefficient - "movi v30.8b, #50 \n" // BR coefficient - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0] \n" // load 8 ARGB pixels. - "subs %w1, %w1, #8 \n" // 8 processed per loop. - "umull v4.8h, v0.8b, v20.8b \n" // B to Sepia B - "umlal v4.8h, v1.8b, v21.8b \n" // G - "umlal v4.8h, v2.8b, v22.8b \n" // R - "umull v5.8h, v0.8b, v24.8b \n" // B to Sepia G - "umlal v5.8h, v1.8b, v25.8b \n" // G - "umlal v5.8h, v2.8b, v26.8b \n" // R - "umull v6.8h, v0.8b, v28.8b \n" // B to Sepia R - "umlal v6.8h, v1.8b, v29.8b \n" // G - "umlal v6.8h, v2.8b, v30.8b \n" // R - "uqshrn v0.8b, v4.8h, #7 \n" // 16 bit to 8 bit B - "uqshrn v1.8b, v5.8h, #7 \n" // 16 bit to 8 bit G - "uqshrn v2.8b, v6.8h, #7 \n" // 16 bit to 8 bit R - MEMACCESS(0) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // store 8 pixels. - "b.gt 1b \n" - : "+r"(dst_argb), // %0 - "+r"(width) // %1 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", - "v20", "v21", "v22", "v24", "v25", "v26", "v28", "v29", "v30" - ); +void ARGBSepiaRow_NEON(uint8_t* dst_argb, int width) { + asm volatile( + "movi v20.8b, #17 \n" // BB coefficient + "movi v21.8b, #68 \n" // BG coefficient + "movi v22.8b, #35 \n" // BR coefficient + "movi v24.8b, #22 \n" // GB coefficient + "movi v25.8b, #88 \n" // GG coefficient + "movi v26.8b, #45 \n" // GR coefficient + "movi v28.8b, #24 \n" // BB coefficient + "movi v29.8b, #98 \n" // BG coefficient + "movi v30.8b, #50 \n" // BR coefficient + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0] \n" // load 8 ARGB pixels. + "subs %w1, %w1, #8 \n" // 8 processed per loop. + "umull v4.8h, v0.8b, v20.8b \n" // B to Sepia B + "umlal v4.8h, v1.8b, v21.8b \n" // G + "umlal v4.8h, v2.8b, v22.8b \n" // R + "umull v5.8h, v0.8b, v24.8b \n" // B to Sepia G + "umlal v5.8h, v1.8b, v25.8b \n" // G + "umlal v5.8h, v2.8b, v26.8b \n" // R + "umull v6.8h, v0.8b, v28.8b \n" // B to Sepia R + "umlal v6.8h, v1.8b, v29.8b \n" // G + "umlal v6.8h, v2.8b, v30.8b \n" // R + "uqshrn v0.8b, v4.8h, #7 \n" // 16 bit to 8 bit B + "uqshrn v1.8b, v5.8h, #7 \n" // 16 bit to 8 bit G + "uqshrn v2.8b, v6.8h, #7 \n" // 16 bit to 8 bit R + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // store 8 pixels. + "b.gt 1b \n" + : "+r"(dst_argb), // %0 + "+r"(width) // %1 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v20", + "v21", "v22", "v24", "v25", "v26", "v28", "v29", "v30"); } // Tranform 8 ARGB pixels (32 bytes) with color matrix. // TODO(fbarchard): Was same as Sepia except matrix is provided. This function // needs to saturate. Consider doing a non-saturating version. -void ARGBColorMatrixRow_NEON(const uint8* src_argb, uint8* dst_argb, - const int8* matrix_argb, int width) { - asm volatile ( - MEMACCESS(3) - "ld1 {v2.16b}, [%3] \n" // load 3 ARGB vectors. - "sxtl v0.8h, v2.8b \n" // B,G coefficients s16. - "sxtl2 v1.8h, v2.16b \n" // R,A coefficients s16. - - "1: \n" - MEMACCESS(0) - "ld4 {v16.8b,v17.8b,v18.8b,v19.8b}, [%0], #32 \n" // load 8 pixels. - "subs %w2, %w2, #8 \n" // 8 processed per loop. - "uxtl v16.8h, v16.8b \n" // b (0 .. 255) 16 bit - "uxtl v17.8h, v17.8b \n" // g - "uxtl v18.8h, v18.8b \n" // r - "uxtl v19.8h, v19.8b \n" // a - "mul v22.8h, v16.8h, v0.h[0] \n" // B = B * Matrix B - "mul v23.8h, v16.8h, v0.h[4] \n" // G = B * Matrix G - "mul v24.8h, v16.8h, v1.h[0] \n" // R = B * Matrix R - "mul v25.8h, v16.8h, v1.h[4] \n" // A = B * Matrix A - "mul v4.8h, v17.8h, v0.h[1] \n" // B += G * Matrix B - "mul v5.8h, v17.8h, v0.h[5] \n" // G += G * Matrix G - "mul v6.8h, v17.8h, v1.h[1] \n" // R += G * Matrix R - "mul v7.8h, v17.8h, v1.h[5] \n" // A += G * Matrix A - "sqadd v22.8h, v22.8h, v4.8h \n" // Accumulate B - "sqadd v23.8h, v23.8h, v5.8h \n" // Accumulate G - "sqadd v24.8h, v24.8h, v6.8h \n" // Accumulate R - "sqadd v25.8h, v25.8h, v7.8h \n" // Accumulate A - "mul v4.8h, v18.8h, v0.h[2] \n" // B += R * Matrix B - "mul v5.8h, v18.8h, v0.h[6] \n" // G += R * Matrix G - "mul v6.8h, v18.8h, v1.h[2] \n" // R += R * Matrix R - "mul v7.8h, v18.8h, v1.h[6] \n" // A += R * Matrix A - "sqadd v22.8h, v22.8h, v4.8h \n" // Accumulate B - "sqadd v23.8h, v23.8h, v5.8h \n" // Accumulate G - "sqadd v24.8h, v24.8h, v6.8h \n" // Accumulate R - "sqadd v25.8h, v25.8h, v7.8h \n" // Accumulate A - "mul v4.8h, v19.8h, v0.h[3] \n" // B += A * Matrix B - "mul v5.8h, v19.8h, v0.h[7] \n" // G += A * Matrix G - "mul v6.8h, v19.8h, v1.h[3] \n" // R += A * Matrix R - "mul v7.8h, v19.8h, v1.h[7] \n" // A += A * Matrix A - "sqadd v22.8h, v22.8h, v4.8h \n" // Accumulate B - "sqadd v23.8h, v23.8h, v5.8h \n" // Accumulate G - "sqadd v24.8h, v24.8h, v6.8h \n" // Accumulate R - "sqadd v25.8h, v25.8h, v7.8h \n" // Accumulate A - "sqshrun v16.8b, v22.8h, #6 \n" // 16 bit to 8 bit B - "sqshrun v17.8b, v23.8h, #6 \n" // 16 bit to 8 bit G - "sqshrun v18.8b, v24.8h, #6 \n" // 16 bit to 8 bit R - "sqshrun v19.8b, v25.8h, #6 \n" // 16 bit to 8 bit A - MEMACCESS(1) - "st4 {v16.8b,v17.8b,v18.8b,v19.8b}, [%1], #32 \n" // store 8 pixels. - "b.gt 1b \n" - : "+r"(src_argb), // %0 - "+r"(dst_argb), // %1 - "+r"(width) // %2 - : "r"(matrix_argb) // %3 - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16", "v17", - "v18", "v19", "v22", "v23", "v24", "v25" - ); +void ARGBColorMatrixRow_NEON(const uint8_t* src_argb, + uint8_t* dst_argb, + const int8_t* matrix_argb, + int width) { + asm volatile( + "ld1 {v2.16b}, [%3] \n" // load 3 ARGB vectors. + "sxtl v0.8h, v2.8b \n" // B,G coefficients s16. + "sxtl2 v1.8h, v2.16b \n" // R,A coefficients s16. + + "1: \n" + "ld4 {v16.8b,v17.8b,v18.8b,v19.8b}, [%0], #32 \n" // load 8 ARGB + "subs %w2, %w2, #8 \n" // 8 processed per loop. + "uxtl v16.8h, v16.8b \n" // b (0 .. 255) 16 bit + "uxtl v17.8h, v17.8b \n" // g + "uxtl v18.8h, v18.8b \n" // r + "uxtl v19.8h, v19.8b \n" // a + "mul v22.8h, v16.8h, v0.h[0] \n" // B = B * Matrix B + "mul v23.8h, v16.8h, v0.h[4] \n" // G = B * Matrix G + "mul v24.8h, v16.8h, v1.h[0] \n" // R = B * Matrix R + "mul v25.8h, v16.8h, v1.h[4] \n" // A = B * Matrix A + "mul v4.8h, v17.8h, v0.h[1] \n" // B += G * Matrix B + "mul v5.8h, v17.8h, v0.h[5] \n" // G += G * Matrix G + "mul v6.8h, v17.8h, v1.h[1] \n" // R += G * Matrix R + "mul v7.8h, v17.8h, v1.h[5] \n" // A += G * Matrix A + "sqadd v22.8h, v22.8h, v4.8h \n" // Accumulate B + "sqadd v23.8h, v23.8h, v5.8h \n" // Accumulate G + "sqadd v24.8h, v24.8h, v6.8h \n" // Accumulate R + "sqadd v25.8h, v25.8h, v7.8h \n" // Accumulate A + "mul v4.8h, v18.8h, v0.h[2] \n" // B += R * Matrix B + "mul v5.8h, v18.8h, v0.h[6] \n" // G += R * Matrix G + "mul v6.8h, v18.8h, v1.h[2] \n" // R += R * Matrix R + "mul v7.8h, v18.8h, v1.h[6] \n" // A += R * Matrix A + "sqadd v22.8h, v22.8h, v4.8h \n" // Accumulate B + "sqadd v23.8h, v23.8h, v5.8h \n" // Accumulate G + "sqadd v24.8h, v24.8h, v6.8h \n" // Accumulate R + "sqadd v25.8h, v25.8h, v7.8h \n" // Accumulate A + "mul v4.8h, v19.8h, v0.h[3] \n" // B += A * Matrix B + "mul v5.8h, v19.8h, v0.h[7] \n" // G += A * Matrix G + "mul v6.8h, v19.8h, v1.h[3] \n" // R += A * Matrix R + "mul v7.8h, v19.8h, v1.h[7] \n" // A += A * Matrix A + "sqadd v22.8h, v22.8h, v4.8h \n" // Accumulate B + "sqadd v23.8h, v23.8h, v5.8h \n" // Accumulate G + "sqadd v24.8h, v24.8h, v6.8h \n" // Accumulate R + "sqadd v25.8h, v25.8h, v7.8h \n" // Accumulate A + "sqshrun v16.8b, v22.8h, #6 \n" // 16 bit to 8 bit B + "sqshrun v17.8b, v23.8h, #6 \n" // 16 bit to 8 bit G + "sqshrun v18.8b, v24.8h, #6 \n" // 16 bit to 8 bit R + "sqshrun v19.8b, v25.8h, #6 \n" // 16 bit to 8 bit A + "st4 {v16.8b,v17.8b,v18.8b,v19.8b}, [%1], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_argb), // %0 + "+r"(dst_argb), // %1 + "+r"(width) // %2 + : "r"(matrix_argb) // %3 + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16", + "v17", "v18", "v19", "v22", "v23", "v24", "v25"); } // TODO(fbarchard): fix vqshrun in ARGBMultiplyRow_NEON and reenable. // Multiply 2 rows of ARGB pixels together, 8 pixels at a time. -void ARGBMultiplyRow_NEON(const uint8* src_argb0, const uint8* src_argb1, - uint8* dst_argb, int width) { - asm volatile ( - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - MEMACCESS(1) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 more pixels. - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "umull v0.8h, v0.8b, v4.8b \n" // multiply B - "umull v1.8h, v1.8b, v5.8b \n" // multiply G - "umull v2.8h, v2.8b, v6.8b \n" // multiply R - "umull v3.8h, v3.8b, v7.8b \n" // multiply A - "rshrn v0.8b, v0.8h, #8 \n" // 16 bit to 8 bit B - "rshrn v1.8b, v1.8h, #8 \n" // 16 bit to 8 bit G - "rshrn v2.8b, v2.8h, #8 \n" // 16 bit to 8 bit R - "rshrn v3.8b, v3.8h, #8 \n" // 16 bit to 8 bit A - MEMACCESS(2) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - - : "+r"(src_argb0), // %0 - "+r"(src_argb1), // %1 - "+r"(dst_argb), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" - ); +void ARGBMultiplyRow_NEON(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + asm volatile( + // 8 pixel loop. + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 more + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "umull v0.8h, v0.8b, v4.8b \n" // multiply B + "umull v1.8h, v1.8b, v5.8b \n" // multiply G + "umull v2.8h, v2.8b, v6.8b \n" // multiply R + "umull v3.8h, v3.8b, v7.8b \n" // multiply A + "rshrn v0.8b, v0.8h, #8 \n" // 16 bit to 8 bit B + "rshrn v1.8b, v1.8h, #8 \n" // 16 bit to 8 bit G + "rshrn v2.8b, v2.8h, #8 \n" // 16 bit to 8 bit R + "rshrn v3.8b, v3.8h, #8 \n" // 16 bit to 8 bit A + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_argb0), // %0 + "+r"(src_argb1), // %1 + "+r"(dst_argb), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"); } // Add 2 rows of ARGB pixels together, 8 pixels at a time. -void ARGBAddRow_NEON(const uint8* src_argb0, const uint8* src_argb1, - uint8* dst_argb, int width) { - asm volatile ( - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - MEMACCESS(1) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 more pixels. - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "uqadd v0.8b, v0.8b, v4.8b \n" - "uqadd v1.8b, v1.8b, v5.8b \n" - "uqadd v2.8b, v2.8b, v6.8b \n" - "uqadd v3.8b, v3.8b, v7.8b \n" - MEMACCESS(2) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - - : "+r"(src_argb0), // %0 - "+r"(src_argb1), // %1 - "+r"(dst_argb), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" - ); +void ARGBAddRow_NEON(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + asm volatile( + // 8 pixel loop. + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 more + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "uqadd v0.8b, v0.8b, v4.8b \n" + "uqadd v1.8b, v1.8b, v5.8b \n" + "uqadd v2.8b, v2.8b, v6.8b \n" + "uqadd v3.8b, v3.8b, v7.8b \n" + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_argb0), // %0 + "+r"(src_argb1), // %1 + "+r"(dst_argb), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"); } // Subtract 2 rows of ARGB pixels, 8 pixels at a time. -void ARGBSubtractRow_NEON(const uint8* src_argb0, const uint8* src_argb1, - uint8* dst_argb, int width) { - asm volatile ( - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. - MEMACCESS(1) - "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 more pixels. - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "uqsub v0.8b, v0.8b, v4.8b \n" - "uqsub v1.8b, v1.8b, v5.8b \n" - "uqsub v2.8b, v2.8b, v6.8b \n" - "uqsub v3.8b, v3.8b, v7.8b \n" - MEMACCESS(2) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - - : "+r"(src_argb0), // %0 - "+r"(src_argb1), // %1 - "+r"(dst_argb), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" - ); +void ARGBSubtractRow_NEON(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + asm volatile( + // 8 pixel loop. + "1: \n" + "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB + "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 more + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "uqsub v0.8b, v0.8b, v4.8b \n" + "uqsub v1.8b, v1.8b, v5.8b \n" + "uqsub v2.8b, v2.8b, v6.8b \n" + "uqsub v3.8b, v3.8b, v7.8b \n" + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_argb0), // %0 + "+r"(src_argb1), // %1 + "+r"(dst_argb), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"); } // Adds Sobel X and Sobel Y and stores Sobel into ARGB. @@ -2638,54 +2502,50 @@ void ARGBSubtractRow_NEON(const uint8* src_argb0, const uint8* src_argb1, // R = Sobel // G = Sobel // B = Sobel -void SobelRow_NEON(const uint8* src_sobelx, const uint8* src_sobely, - uint8* dst_argb, int width) { - asm volatile ( - "movi v3.8b, #255 \n" // alpha - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld1 {v0.8b}, [%0], #8 \n" // load 8 sobelx. - MEMACCESS(1) - "ld1 {v1.8b}, [%1], #8 \n" // load 8 sobely. - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "uqadd v0.8b, v0.8b, v1.8b \n" // add - "orr v1.8b, v0.8b, v0.8b \n" - "orr v2.8b, v0.8b, v0.8b \n" - MEMACCESS(2) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_sobelx), // %0 - "+r"(src_sobely), // %1 - "+r"(dst_argb), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3" - ); +void SobelRow_NEON(const uint8_t* src_sobelx, + const uint8_t* src_sobely, + uint8_t* dst_argb, + int width) { + asm volatile( + "movi v3.8b, #255 \n" // alpha + // 8 pixel loop. + "1: \n" + "ld1 {v0.8b}, [%0], #8 \n" // load 8 sobelx. + "ld1 {v1.8b}, [%1], #8 \n" // load 8 sobely. + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "uqadd v0.8b, v0.8b, v1.8b \n" // add + "orr v1.8b, v0.8b, v0.8b \n" + "orr v2.8b, v0.8b, v0.8b \n" + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_sobelx), // %0 + "+r"(src_sobely), // %1 + "+r"(dst_argb), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3"); } // Adds Sobel X and Sobel Y and stores Sobel into plane. -void SobelToPlaneRow_NEON(const uint8* src_sobelx, const uint8* src_sobely, - uint8* dst_y, int width) { - asm volatile ( - // 16 pixel loop. - "1: \n" - MEMACCESS(0) - "ld1 {v0.16b}, [%0], #16 \n" // load 16 sobelx. - MEMACCESS(1) - "ld1 {v1.16b}, [%1], #16 \n" // load 16 sobely. - "subs %w3, %w3, #16 \n" // 16 processed per loop. - "uqadd v0.16b, v0.16b, v1.16b \n" // add - MEMACCESS(2) - "st1 {v0.16b}, [%2], #16 \n" // store 16 pixels. - "b.gt 1b \n" - : "+r"(src_sobelx), // %0 - "+r"(src_sobely), // %1 - "+r"(dst_y), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1" - ); +void SobelToPlaneRow_NEON(const uint8_t* src_sobelx, + const uint8_t* src_sobely, + uint8_t* dst_y, + int width) { + asm volatile( + // 16 pixel loop. + "1: \n" + "ld1 {v0.16b}, [%0], #16 \n" // load 16 sobelx. + "ld1 {v1.16b}, [%1], #16 \n" // load 16 sobely. + "subs %w3, %w3, #16 \n" // 16 processed per loop. + "uqadd v0.16b, v0.16b, v1.16b \n" // add + "st1 {v0.16b}, [%2], #16 \n" // store 16 pixels. + "b.gt 1b \n" + : "+r"(src_sobelx), // %0 + "+r"(src_sobely), // %1 + "+r"(dst_y), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1"); } // Mixes Sobel X, Sobel Y and Sobel into ARGB. @@ -2693,114 +2553,329 @@ void SobelToPlaneRow_NEON(const uint8* src_sobelx, const uint8* src_sobely, // R = Sobel X // G = Sobel // B = Sobel Y -void SobelXYRow_NEON(const uint8* src_sobelx, const uint8* src_sobely, - uint8* dst_argb, int width) { - asm volatile ( - "movi v3.8b, #255 \n" // alpha - // 8 pixel loop. - "1: \n" - MEMACCESS(0) - "ld1 {v2.8b}, [%0], #8 \n" // load 8 sobelx. - MEMACCESS(1) - "ld1 {v0.8b}, [%1], #8 \n" // load 8 sobely. - "subs %w3, %w3, #8 \n" // 8 processed per loop. - "uqadd v1.8b, v0.8b, v2.8b \n" // add - MEMACCESS(2) - "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB pixels - "b.gt 1b \n" - : "+r"(src_sobelx), // %0 - "+r"(src_sobely), // %1 - "+r"(dst_argb), // %2 - "+r"(width) // %3 - : - : "cc", "memory", "v0", "v1", "v2", "v3" - ); +void SobelXYRow_NEON(const uint8_t* src_sobelx, + const uint8_t* src_sobely, + uint8_t* dst_argb, + int width) { + asm volatile( + "movi v3.8b, #255 \n" // alpha + // 8 pixel loop. + "1: \n" + "ld1 {v2.8b}, [%0], #8 \n" // load 8 sobelx. + "ld1 {v0.8b}, [%1], #8 \n" // load 8 sobely. + "subs %w3, %w3, #8 \n" // 8 processed per loop. + "uqadd v1.8b, v0.8b, v2.8b \n" // add + "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%2], #32 \n" // store 8 ARGB + "b.gt 1b \n" + : "+r"(src_sobelx), // %0 + "+r"(src_sobely), // %1 + "+r"(dst_argb), // %2 + "+r"(width) // %3 + : + : "cc", "memory", "v0", "v1", "v2", "v3"); } // SobelX as a matrix is // -1 0 1 // -2 0 2 // -1 0 1 -void SobelXRow_NEON(const uint8* src_y0, const uint8* src_y1, - const uint8* src_y2, uint8* dst_sobelx, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld1 {v0.8b}, [%0],%5 \n" // top - MEMACCESS(0) - "ld1 {v1.8b}, [%0],%6 \n" - "usubl v0.8h, v0.8b, v1.8b \n" - MEMACCESS(1) - "ld1 {v2.8b}, [%1],%5 \n" // center * 2 - MEMACCESS(1) - "ld1 {v3.8b}, [%1],%6 \n" - "usubl v1.8h, v2.8b, v3.8b \n" - "add v0.8h, v0.8h, v1.8h \n" - "add v0.8h, v0.8h, v1.8h \n" - MEMACCESS(2) - "ld1 {v2.8b}, [%2],%5 \n" // bottom - MEMACCESS(2) - "ld1 {v3.8b}, [%2],%6 \n" - "subs %w4, %w4, #8 \n" // 8 pixels - "usubl v1.8h, v2.8b, v3.8b \n" - "add v0.8h, v0.8h, v1.8h \n" - "abs v0.8h, v0.8h \n" - "uqxtn v0.8b, v0.8h \n" - MEMACCESS(3) - "st1 {v0.8b}, [%3], #8 \n" // store 8 sobelx - "b.gt 1b \n" - : "+r"(src_y0), // %0 - "+r"(src_y1), // %1 - "+r"(src_y2), // %2 - "+r"(dst_sobelx), // %3 - "+r"(width) // %4 - : "r"(2LL), // %5 - "r"(6LL) // %6 - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); +void SobelXRow_NEON(const uint8_t* src_y0, + const uint8_t* src_y1, + const uint8_t* src_y2, + uint8_t* dst_sobelx, + int width) { + asm volatile( + "1: \n" + "ld1 {v0.8b}, [%0],%5 \n" // top + "ld1 {v1.8b}, [%0],%6 \n" + "usubl v0.8h, v0.8b, v1.8b \n" + "ld1 {v2.8b}, [%1],%5 \n" // center * 2 + "ld1 {v3.8b}, [%1],%6 \n" + "usubl v1.8h, v2.8b, v3.8b \n" + "add v0.8h, v0.8h, v1.8h \n" + "add v0.8h, v0.8h, v1.8h \n" + "ld1 {v2.8b}, [%2],%5 \n" // bottom + "ld1 {v3.8b}, [%2],%6 \n" + "subs %w4, %w4, #8 \n" // 8 pixels + "usubl v1.8h, v2.8b, v3.8b \n" + "add v0.8h, v0.8h, v1.8h \n" + "abs v0.8h, v0.8h \n" + "uqxtn v0.8b, v0.8h \n" + "st1 {v0.8b}, [%3], #8 \n" // store 8 sobelx + "b.gt 1b \n" + : "+r"(src_y0), // %0 + "+r"(src_y1), // %1 + "+r"(src_y2), // %2 + "+r"(dst_sobelx), // %3 + "+r"(width) // %4 + : "r"(2LL), // %5 + "r"(6LL) // %6 + : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List + ); } // SobelY as a matrix is // -1 -2 -1 // 0 0 0 // 1 2 1 -void SobelYRow_NEON(const uint8* src_y0, const uint8* src_y1, - uint8* dst_sobely, int width) { - asm volatile ( - "1: \n" - MEMACCESS(0) - "ld1 {v0.8b}, [%0],%4 \n" // left - MEMACCESS(1) - "ld1 {v1.8b}, [%1],%4 \n" - "usubl v0.8h, v0.8b, v1.8b \n" - MEMACCESS(0) - "ld1 {v2.8b}, [%0],%4 \n" // center * 2 - MEMACCESS(1) - "ld1 {v3.8b}, [%1],%4 \n" - "usubl v1.8h, v2.8b, v3.8b \n" - "add v0.8h, v0.8h, v1.8h \n" - "add v0.8h, v0.8h, v1.8h \n" - MEMACCESS(0) - "ld1 {v2.8b}, [%0],%5 \n" // right - MEMACCESS(1) - "ld1 {v3.8b}, [%1],%5 \n" - "subs %w3, %w3, #8 \n" // 8 pixels - "usubl v1.8h, v2.8b, v3.8b \n" - "add v0.8h, v0.8h, v1.8h \n" - "abs v0.8h, v0.8h \n" - "uqxtn v0.8b, v0.8h \n" - MEMACCESS(2) - "st1 {v0.8b}, [%2], #8 \n" // store 8 sobely - "b.gt 1b \n" - : "+r"(src_y0), // %0 - "+r"(src_y1), // %1 - "+r"(dst_sobely), // %2 - "+r"(width) // %3 - : "r"(1LL), // %4 - "r"(6LL) // %5 - : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List - ); +void SobelYRow_NEON(const uint8_t* src_y0, + const uint8_t* src_y1, + uint8_t* dst_sobely, + int width) { + asm volatile( + "1: \n" + "ld1 {v0.8b}, [%0],%4 \n" // left + "ld1 {v1.8b}, [%1],%4 \n" + "usubl v0.8h, v0.8b, v1.8b \n" + "ld1 {v2.8b}, [%0],%4 \n" // center * 2 + "ld1 {v3.8b}, [%1],%4 \n" + "usubl v1.8h, v2.8b, v3.8b \n" + "add v0.8h, v0.8h, v1.8h \n" + "add v0.8h, v0.8h, v1.8h \n" + "ld1 {v2.8b}, [%0],%5 \n" // right + "ld1 {v3.8b}, [%1],%5 \n" + "subs %w3, %w3, #8 \n" // 8 pixels + "usubl v1.8h, v2.8b, v3.8b \n" + "add v0.8h, v0.8h, v1.8h \n" + "abs v0.8h, v0.8h \n" + "uqxtn v0.8b, v0.8h \n" + "st1 {v0.8b}, [%2], #8 \n" // store 8 sobely + "b.gt 1b \n" + : "+r"(src_y0), // %0 + "+r"(src_y1), // %1 + "+r"(dst_sobely), // %2 + "+r"(width) // %3 + : "r"(1LL), // %4 + "r"(6LL) // %5 + : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List + ); +} + +// Caveat - rounds float to half float whereas scaling version truncates. +void HalfFloat1Row_NEON(const uint16_t* src, + uint16_t* dst, + float /*unused*/, + int width) { + asm volatile( + "1: \n" + "ld1 {v1.16b}, [%0], #16 \n" // load 8 shorts + "subs %w2, %w2, #8 \n" // 8 pixels per loop + "uxtl v2.4s, v1.4h \n" // 8 int's + "uxtl2 v3.4s, v1.8h \n" + "scvtf v2.4s, v2.4s \n" // 8 floats + "scvtf v3.4s, v3.4s \n" + "fcvtn v1.4h, v2.4s \n" // 8 half floats + "fcvtn2 v1.8h, v3.4s \n" + "st1 {v1.16b}, [%1], #16 \n" // store 8 shorts + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 + : + : "cc", "memory", "v1", "v2", "v3"); +} + +void HalfFloatRow_NEON(const uint16_t* src, + uint16_t* dst, + float scale, + int width) { + asm volatile( + "1: \n" + "ld1 {v1.16b}, [%0], #16 \n" // load 8 shorts + "subs %w2, %w2, #8 \n" // 8 pixels per loop + "uxtl v2.4s, v1.4h \n" // 8 int's + "uxtl2 v3.4s, v1.8h \n" + "scvtf v2.4s, v2.4s \n" // 8 floats + "scvtf v3.4s, v3.4s \n" + "fmul v2.4s, v2.4s, %3.s[0] \n" // adjust exponent + "fmul v3.4s, v3.4s, %3.s[0] \n" + "uqshrn v1.4h, v2.4s, #13 \n" // isolate halffloat + "uqshrn2 v1.8h, v3.4s, #13 \n" + "st1 {v1.16b}, [%1], #16 \n" // store 8 shorts + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 + : "w"(scale * 1.9259299444e-34f) // %3 + : "cc", "memory", "v1", "v2", "v3"); +} + +void ByteToFloatRow_NEON(const uint8_t* src, + float* dst, + float scale, + int width) { + asm volatile( + "1: \n" + "ld1 {v1.8b}, [%0], #8 \n" // load 8 bytes + "subs %w2, %w2, #8 \n" // 8 pixels per loop + "uxtl v1.8h, v1.8b \n" // 8 shorts + "uxtl v2.4s, v1.4h \n" // 8 ints + "uxtl2 v3.4s, v1.8h \n" + "scvtf v2.4s, v2.4s \n" // 8 floats + "scvtf v3.4s, v3.4s \n" + "fmul v2.4s, v2.4s, %3.s[0] \n" // scale + "fmul v3.4s, v3.4s, %3.s[0] \n" + "st1 {v2.16b, v3.16b}, [%1], #32 \n" // store 8 floats + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 + : "w"(scale) // %3 + : "cc", "memory", "v1", "v2", "v3"); +} + +float ScaleMaxSamples_NEON(const float* src, + float* dst, + float scale, + int width) { + float fmax; + asm volatile( + "movi v5.4s, #0 \n" // max + "movi v6.4s, #0 \n" + + "1: \n" + "ld1 {v1.4s, v2.4s}, [%0], #32 \n" // load 8 samples + "subs %w2, %w2, #8 \n" // 8 processed per loop + "fmul v3.4s, v1.4s, %4.s[0] \n" // scale + "fmul v4.4s, v2.4s, %4.s[0] \n" // scale + "fmax v5.4s, v5.4s, v1.4s \n" // max + "fmax v6.4s, v6.4s, v2.4s \n" + "st1 {v3.4s, v4.4s}, [%1], #32 \n" // store 8 samples + "b.gt 1b \n" + "fmax v5.4s, v5.4s, v6.4s \n" // max + "fmaxv %s3, v5.4s \n" // signed max acculator + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width), // %2 + "=w"(fmax) // %3 + : "w"(scale) // %4 + : "cc", "memory", "v1", "v2", "v3", "v4", "v5", "v6"); + return fmax; +} + +float ScaleSumSamples_NEON(const float* src, + float* dst, + float scale, + int width) { + float fsum; + asm volatile( + "movi v5.4s, #0 \n" // max + "movi v6.4s, #0 \n" // max + + "1: \n" + "ld1 {v1.4s, v2.4s}, [%0], #32 \n" // load 8 samples + "subs %w2, %w2, #8 \n" // 8 processed per loop + "fmul v3.4s, v1.4s, %4.s[0] \n" // scale + "fmul v4.4s, v2.4s, %4.s[0] \n" + "fmla v5.4s, v1.4s, v1.4s \n" // sum of squares + "fmla v6.4s, v2.4s, v2.4s \n" + "st1 {v3.4s, v4.4s}, [%1], #32 \n" // store 8 samples + "b.gt 1b \n" + "faddp v5.4s, v5.4s, v6.4s \n" + "faddp v5.4s, v5.4s, v5.4s \n" + "faddp %3.4s, v5.4s, v5.4s \n" // sum + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width), // %2 + "=w"(fsum) // %3 + : "w"(scale) // %4 + : "cc", "memory", "v1", "v2", "v3", "v4", "v5", "v6"); + return fsum; +} + +void ScaleSamples_NEON(const float* src, float* dst, float scale, int width) { + asm volatile( + "1: \n" + "ld1 {v1.4s, v2.4s}, [%0], #32 \n" // load 8 samples + "subs %w2, %w2, #8 \n" // 8 processed per loop + "fmul v1.4s, v1.4s, %3.s[0] \n" // scale + "fmul v2.4s, v2.4s, %3.s[0] \n" // scale + "st1 {v1.4s, v2.4s}, [%1], #32 \n" // store 8 samples + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(dst), // %1 + "+r"(width) // %2 + : "w"(scale) // %3 + : "cc", "memory", "v1", "v2"); +} + +// filter 5 rows with 1, 4, 6, 4, 1 coefficients to produce 1 row. +void GaussCol_NEON(const uint16_t* src0, + const uint16_t* src1, + const uint16_t* src2, + const uint16_t* src3, + const uint16_t* src4, + uint32_t* dst, + int width) { + asm volatile( + "movi v6.8h, #4 \n" // constant 4 + "movi v7.8h, #6 \n" // constant 6 + + "1: \n" + "ld1 {v1.8h}, [%0], #16 \n" // load 8 samples, 5 rows + "ld1 {v2.8h}, [%4], #16 \n" + "uaddl v0.4s, v1.4h, v2.4h \n" // * 1 + "uaddl2 v1.4s, v1.8h, v2.8h \n" // * 1 + "ld1 {v2.8h}, [%1], #16 \n" + "umlal v0.4s, v2.4h, v6.4h \n" // * 4 + "umlal2 v1.4s, v2.8h, v6.8h \n" // * 4 + "ld1 {v2.8h}, [%2], #16 \n" + "umlal v0.4s, v2.4h, v7.4h \n" // * 6 + "umlal2 v1.4s, v2.8h, v7.8h \n" // * 6 + "ld1 {v2.8h}, [%3], #16 \n" + "umlal v0.4s, v2.4h, v6.4h \n" // * 4 + "umlal2 v1.4s, v2.8h, v6.8h \n" // * 4 + "subs %w6, %w6, #8 \n" // 8 processed per loop + "st1 {v0.4s,v1.4s}, [%5], #32 \n" // store 8 samples + "b.gt 1b \n" + : "+r"(src0), // %0 + "+r"(src1), // %1 + "+r"(src2), // %2 + "+r"(src3), // %3 + "+r"(src4), // %4 + "+r"(dst), // %5 + "+r"(width) // %6 + : + : "cc", "memory", "v0", "v1", "v2", "v6", "v7"); +} + +// filter 5 rows with 1, 4, 6, 4, 1 coefficients to produce 1 row. +void GaussRow_NEON(const uint32_t* src, uint16_t* dst, int width) { + const uint32_t* src1 = src + 1; + const uint32_t* src2 = src + 2; + const uint32_t* src3 = src + 3; + asm volatile( + "movi v6.4s, #4 \n" // constant 4 + "movi v7.4s, #6 \n" // constant 6 + + "1: \n" + "ld1 {v0.4s,v1.4s,v2.4s}, [%0], %6 \n" // load 12 source samples + "add v0.4s, v0.4s, v1.4s \n" // * 1 + "add v1.4s, v1.4s, v2.4s \n" // * 1 + "ld1 {v2.4s,v3.4s}, [%2], #32 \n" + "mla v0.4s, v2.4s, v7.4s \n" // * 6 + "mla v1.4s, v3.4s, v7.4s \n" // * 6 + "ld1 {v2.4s,v3.4s}, [%1], #32 \n" + "ld1 {v4.4s,v5.4s}, [%3], #32 \n" + "add v2.4s, v2.4s, v4.4s \n" // add rows for * 4 + "add v3.4s, v3.4s, v5.4s \n" + "mla v0.4s, v2.4s, v6.4s \n" // * 4 + "mla v1.4s, v3.4s, v6.4s \n" // * 4 + "subs %w5, %w5, #8 \n" // 8 processed per loop + "uqrshrn v0.4h, v0.4s, #8 \n" // round and pack + "uqrshrn2 v0.8h, v1.4s, #8 \n" + "st1 {v0.8h}, [%4], #16 \n" // store 8 samples + "b.gt 1b \n" + : "+r"(src), // %0 + "+r"(src1), // %1 + "+r"(src2), // %2 + "+r"(src3), // %3 + "+r"(dst), // %4 + "+r"(width) // %5 + : "r"(32LL) // %6 + : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"); } + #endif // !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__) #ifdef __cplusplus |