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Row AArch64444 Neon implementation - Part 10

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BUG=319
TESTED=libyuv_unittest
R=fbarchard@google.com

Change-Id: I1a11136aa3e4f541f9c2617281d7b530b470f13d
Signed-off-by: Ashok Bhat <ashok.bhat@arm.com>

Review URL: https://webrtc-codereview.appspot.com/23769005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1093 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
ashok.bhat@gmail.com 2014-09-26 12:40:57 +00:00
parent c8a34d2e5b
commit fc5ca9280f
4 changed files with 248 additions and 219 deletions
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2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1088
Version: 1093
License: BSD
License File: LICENSE

18
include/libyuv/row.h
View File

@ -288,9 +288,9 @@ extern "C" {
#define HAS_ARGBMIRRORROW_NEON
#define HAS_RGB24TOARGBROW_NEON
#define HAS_RAWTOARGBROW_NEON
// #define HAS_RGB565TOARGBROW_NEON
// #define HAS_ARGB1555TOARGBROW_NEON
// #define HAS_ARGB4444TOARGBROW_NEON
#define HAS_RGB565TOARGBROW_NEON
#define HAS_ARGB1555TOARGBROW_NEON
#define HAS_ARGB4444TOARGBROW_NEON
#define HAS_ARGBTORGB24ROW_NEON
#define HAS_ARGBTORAWROW_NEON
#define HAS_YUY2TOYROW_NEON
@ -320,12 +320,12 @@ extern "C" {
// #define HAS_RGBATOUVROW_NEON
// #define HAS_RGB24TOUVROW_NEON
// #define HAS_RAWTOUVROW_NEON
// #define HAS_RGB565TOUVROW_NEON
// #define HAS_ARGB1555TOUVROW_NEON
// #define HAS_ARGB4444TOUVROW_NEON
// #define HAS_RGB565TOYROW_NEON
// #define HAS_ARGB1555TOYROW_NEON
// #define HAS_ARGB4444TOYROW_NEON
#define HAS_RGB565TOUVROW_NEON
#define HAS_ARGB1555TOUVROW_NEON
#define HAS_ARGB4444TOUVROW_NEON
#define HAS_RGB565TOYROW_NEON
#define HAS_ARGB1555TOYROW_NEON
#define HAS_ARGB4444TOYROW_NEON
#define HAS_BGRATOYROW_NEON
#define HAS_ABGRTOYROW_NEON
#define HAS_RGBATOYROW_NEON

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1088
#define LIBYUV_VERSION 1093
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

445
source/row_neon64.cc
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@ -1038,118 +1038,130 @@ void RAWToARGBRow_NEON(const uint8* src_raw, uint8* dst_argb, int pix) {
#endif // HAS_RAWTOARGBROW_NEON
#define RGB565TOARGB \
"vshrn.u16 d6, q0, #5 \n" /* G xxGGGGGG */ \
"vuzp.u8 d0, d1 \n" /* d0 xxxBBBBB RRRRRxxx */ \
"vshl.u8 d6, d6, #2 \n" /* G GGGGGG00 upper 6 */ \
"vshr.u8 d1, d1, #3 \n" /* R 000RRRRR lower 5 */ \
"vshl.u8 q0, q0, #3 \n" /* B,R BBBBB000 upper 5 */ \
"vshr.u8 q2, q0, #5 \n" /* B,R 00000BBB lower 3 */ \
"vorr.u8 d0, d0, d4 \n" /* B */ \
"vshr.u8 d4, d6, #6 \n" /* G 000000GG lower 2 */ \
"vorr.u8 d2, d1, d5 \n" /* R */ \
"vorr.u8 d1, d4, d6 \n" /* G */
"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 */
#ifdef HAS_RGB565TOARGBROW_NEON
void RGB565ToARGBRow_NEON(const uint8* src_rgb565, uint8* dst_argb, int pix) {
asm volatile (
"vmov.u8 d3, #255 \n" // Alpha
"movi v3.8b, #255 \n" // Alpha
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 RGB565 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels.
"subs %2, %2, #8 \n" // 8 processed per loop.
RGB565TOARGB
MEMACCESS(1)
"vst4.8 {d0, d1, d2, d3}, [%1]! \n" // store 8 pixels of ARGB.
"st4 {v0.8b-v3.8b}, [%1], #32 \n" // store 8 pixels of ARGB.
"b.gt 1b \n"
: "+r"(src_rgb565), // %0
"+r"(dst_argb), // %1
"+r"(pix) // %2
:
: "cc", "memory", "q0", "q1", "q2", "q3" // Clobber List
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v6" // Clobber List
);
}
#endif // HAS_RGB565TOARGBROW_NEON
#define ARGB1555TOARGB \
"vshrn.u16 d7, q0, #8 \n" /* A Arrrrrxx */ \
"vshr.u8 d6, d7, #2 \n" /* R xxxRRRRR */ \
"vshrn.u16 d5, q0, #5 \n" /* G xxxGGGGG */ \
"vmovn.u16 d4, q0 \n" /* B xxxBBBBB */ \
"vshr.u8 d7, d7, #7 \n" /* A 0000000A */ \
"vneg.s8 d7, d7 \n" /* A AAAAAAAA upper 8 */ \
"vshl.u8 d6, d6, #3 \n" /* R RRRRR000 upper 5 */ \
"vshr.u8 q1, q3, #5 \n" /* R,A 00000RRR lower 3 */ \
"vshl.u8 q0, q2, #3 \n" /* B,G BBBBB000 upper 5 */ \
"vshr.u8 q2, q0, #5 \n" /* B,G 00000BBB lower 3 */ \
"vorr.u8 q1, q1, q3 \n" /* R,A */ \
"vorr.u8 q0, q0, q2 \n" /* B,G */ \
"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 \
"vshrn.u16 d6, q0, #5 \n" /* G xxxGGGGG */ \
"vuzp.u8 d0, d1 \n" /* d0 xxxBBBBB xRRRRRxx */ \
"vshl.u8 d6, d6, #3 \n" /* G GGGGG000 upper 5 */ \
"vshr.u8 d1, d1, #2 \n" /* R 00xRRRRR lower 5 */ \
"vshl.u8 q0, q0, #3 \n" /* B,R BBBBB000 upper 5 */ \
"vshr.u8 q2, q0, #5 \n" /* B,R 00000BBB lower 3 */ \
"vorr.u8 d0, d0, d4 \n" /* B */ \
"vshr.u8 d4, d6, #5 \n" /* G 00000GGG lower 3 */ \
"vorr.u8 d2, d1, d5 \n" /* R */ \
"vorr.u8 d1, d4, d6 \n" /* G */
"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 */ \
#ifdef HAS_ARGB1555TOARGBROW_NEON
void ARGB1555ToARGBRow_NEON(const uint8* src_argb1555, uint8* dst_argb,
int pix) {
asm volatile (
"vmov.u8 d3, #255 \n" // Alpha
"movi v3.8b, #255 \n" // Alpha
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 ARGB1555 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels.
"subs %2, %2, #8 \n" // 8 processed per loop.
ARGB1555TOARGB
MEMACCESS(1)
"vst4.8 {d0, d1, d2, d3}, [%1]! \n" // store 8 pixels of ARGB.
"st4 {v0.8b-v3.8b}, [%1], #32 \n" // store 8 pixels of ARGB.
"b.gt 1b \n"
: "+r"(src_argb1555), // %0
"+r"(dst_argb), // %1
"+r"(pix) // %2
:
: "cc", "memory", "q0", "q1", "q2", "q3" // Clobber List
: "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List
);
}
#endif // HAS_ARGB1555TOARGBROW_NEON
#define ARGB4444TOARGB \
"vuzp.u8 d0, d1 \n" /* d0 BG, d1 RA */ \
"vshl.u8 q2, q0, #4 \n" /* B,R BBBB0000 */ \
"vshr.u8 q1, q0, #4 \n" /* G,A 0000GGGG */ \
"vshr.u8 q0, q2, #4 \n" /* B,R 0000BBBB */ \
"vorr.u8 q0, q0, q2 \n" /* B,R BBBBBBBB */ \
"vshl.u8 q2, q1, #4 \n" /* G,A GGGG0000 */ \
"vorr.u8 q1, q1, q2 \n" /* G,A GGGGGGGG */ \
"vswp.u8 d1, d2 \n" /* B,R,G,A -> B,G,R,A */
"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"
#ifdef HAS_ARGB4444TOARGBROW_NEON
void ARGB4444ToARGBRow_NEON(const uint8* src_argb4444, uint8* dst_argb,
int pix) {
asm volatile (
"vmov.u8 d3, #255 \n" // Alpha
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 ARGB4444 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels.
"subs %2, %2, #8 \n" // 8 processed per loop.
ARGB4444TOARGB
MEMACCESS(1)
"vst4.8 {d0, d1, d2, d3}, [%1]! \n" // store 8 pixels of ARGB.
"st4 {v0.8b-v3.8b}, [%1], #32 \n" // store 8 pixels of ARGB.
"b.gt 1b \n"
: "+r"(src_argb4444), // %0
"+r"(dst_argb), // %1
"+r"(pix) // %2
:
: "cc", "memory", "q0", "q1", "q2" // Clobber List
: "cc", "memory", "v0", "v1", "v2", "v3", "v4" // Clobber List
);
}
#endif // HAS_ARGB4444TOARGBROW_NEON
@ -2155,60 +2167,64 @@ void RAWToUVRow_NEON(const uint8* src_raw, int src_stride_raw,
void RGB565ToUVRow_NEON(const uint8* src_rgb565, int src_stride_rgb565,
uint8* dst_u, uint8* dst_v, int pix) {
asm volatile (
"add %1, %0, %1 \n" // src_stride + src_argb
"vmov.s16 q10, #56 \n" // UB / VR 0.875 coefficient
"vmov.s16 q11, #37 \n" // UG -0.5781 coefficient
"vmov.s16 q12, #19 \n" // UR -0.2969 coefficient
"vmov.s16 q13, #9 \n" // VB -0.1406 coefficient
"vmov.s16 q14, #47 \n" // VG -0.7344 coefficient
"vmov.u16 q15, #0x8080 \n" // 128.5
"add %x1, %x0, %w1, sxtw \n" // src_stride + src_argb
"movi v22.8h, #112 / 2 \n" // UB / VR 0.875 coefficient
"movi v23.8h, #74 / 2 \n" // UG -0.5781 coefficient
"movi v24.8h, #38 / 2 \n" // UR -0.2969 coefficient
"movi v25.8h, #18 / 2 \n" // VB -0.1406 coefficient
"movi v26.8h, #94 / 2 \n" // VG -0.7344 coefficient
"movi v27.16b, #0x80 \n" // 128.5 (0x8080 in 16-bit)
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 RGB565 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels.
RGB565TOARGB
"vpaddl.u8 d8, d0 \n" // B 8 bytes -> 4 shorts.
"vpaddl.u8 d10, d1 \n" // G 8 bytes -> 4 shorts.
"vpaddl.u8 d12, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%0]! \n" // next 8 RGB565 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // next 8 RGB565 pixels.
RGB565TOARGB
"vpaddl.u8 d9, d0 \n" // B 8 bytes -> 4 shorts.
"vpaddl.u8 d11, d1 \n" // G 8 bytes -> 4 shorts.
"vpaddl.u8 d13, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%1]! \n" // load 8 RGB565 pixels.
"ld1 {v0.16b}, [%1], #16 \n" // load 8 RGB565 pixels.
RGB565TOARGB
"vpadal.u8 d8, d0 \n" // B 8 bytes -> 4 shorts.
"vpadal.u8 d10, d1 \n" // G 8 bytes -> 4 shorts.
"vpadal.u8 d12, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%1]! \n" // next 8 RGB565 pixels.
"ld1 {v0.16b}, [%1], #16 \n" // next 8 RGB565 pixels.
RGB565TOARGB
"vpadal.u8 d9, d0 \n" // B 8 bytes -> 4 shorts.
"vpadal.u8 d11, d1 \n" // G 8 bytes -> 4 shorts.
"vpadal.u8 d13, d2 \n" // R 8 bytes -> 4 shorts.
"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.
"vrshr.u16 q4, q4, #1 \n" // 2x average
"vrshr.u16 q5, q5, #1 \n"
"vrshr.u16 q6, q6, #1 \n"
"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 %4, %4, #16 \n" // 16 processed per loop.
"vmul.s16 q8, q4, q10 \n" // B
"vmls.s16 q8, q5, q11 \n" // G
"vmls.s16 q8, q6, q12 \n" // R
"vadd.u16 q8, q8, q15 \n" // +128 -> unsigned
"vmul.s16 q9, q6, q10 \n" // R
"vmls.s16 q9, q5, q14 \n" // G
"vmls.s16 q9, q4, q13 \n" // B
"vadd.u16 q9, q9, q15 \n" // +128 -> unsigned
"vqshrn.u16 d0, q8, #8 \n" // 16 bit to 8 bit U
"vqshrn.u16 d1, q9, #8 \n" // 16 bit to 8 bit V
"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)
"vst1.8 {d0}, [%2]! \n" // store 8 pixels U.
"st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U.
MEMACCESS(3)
"vst1.8 {d1}, [%3]! \n" // store 8 pixels V.
"st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V.
"b.gt 1b \n"
: "+r"(src_rgb565), // %0
"+r"(src_stride_rgb565), // %1
@ -2216,8 +2232,9 @@ void RGB565ToUVRow_NEON(const uint8* src_rgb565, int src_stride_rgb565,
"+r"(dst_v), // %3
"+r"(pix) // %4
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7",
"q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
"v25", "v26", "v27"
);
}
#endif // HAS_RGB565TOUVROW_NEON
@ -2227,60 +2244,64 @@ void RGB565ToUVRow_NEON(const uint8* src_rgb565, int src_stride_rgb565,
void ARGB1555ToUVRow_NEON(const uint8* src_argb1555, int src_stride_argb1555,
uint8* dst_u, uint8* dst_v, int pix) {
asm volatile (
"add %1, %0, %1 \n" // src_stride + src_argb
"vmov.s16 q10, #56 \n" // UB / VR 0.875 coefficient
"vmov.s16 q11, #37 \n" // UG -0.5781 coefficient
"vmov.s16 q12, #19 \n" // UR -0.2969 coefficient
"vmov.s16 q13, #9 \n" // VB -0.1406 coefficient
"vmov.s16 q14, #47 \n" // VG -0.7344 coefficient
"vmov.u16 q15, #0x8080 \n" // 128.5
"add %x1, %x0, %w1, sxtw \n" // src_stride + src_argb
"movi v20.8h, #112 / 2 \n" // UB / VR 0.875 coefficient
"movi v21.8h, #74 / 2 \n" // UG -0.5781 coefficient
"movi v22.8h, #38 / 2 \n" // UR -0.2969 coefficient
"movi v23.8h, #18 / 2 \n" // VB -0.1406 coefficient
"movi v24.8h, #94 / 2 \n" // VG -0.7344 coefficient
"movi v25.16b, #0x80 \n" // 128.5
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 ARGB1555 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels.
RGB555TOARGB
"vpaddl.u8 d8, d0 \n" // B 8 bytes -> 4 shorts.
"vpaddl.u8 d10, d1 \n" // G 8 bytes -> 4 shorts.
"vpaddl.u8 d12, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%0]! \n" // next 8 ARGB1555 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // next 8 ARGB1555 pixels.
RGB555TOARGB
"vpaddl.u8 d9, d0 \n" // B 8 bytes -> 4 shorts.
"vpaddl.u8 d11, d1 \n" // G 8 bytes -> 4 shorts.
"vpaddl.u8 d13, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%1]! \n" // load 8 ARGB1555 pixels.
"ld1 {v0.16b}, [%1], #16 \n" // load 8 ARGB1555 pixels.
RGB555TOARGB
"vpadal.u8 d8, d0 \n" // B 8 bytes -> 4 shorts.
"vpadal.u8 d10, d1 \n" // G 8 bytes -> 4 shorts.
"vpadal.u8 d12, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%1]! \n" // next 8 ARGB1555 pixels.
"ld1 {v0.16b}, [%1], #16 \n" // next 8 ARGB1555 pixels.
RGB555TOARGB
"vpadal.u8 d9, d0 \n" // B 8 bytes -> 4 shorts.
"vpadal.u8 d11, d1 \n" // G 8 bytes -> 4 shorts.
"vpadal.u8 d13, d2 \n" // R 8 bytes -> 4 shorts.
"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.
"vrshr.u16 q4, q4, #1 \n" // 2x average
"vrshr.u16 q5, q5, #1 \n"
"vrshr.u16 q6, q6, #1 \n"
"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 %4, %4, #16 \n" // 16 processed per loop.
"vmul.s16 q8, q4, q10 \n" // B
"vmls.s16 q8, q5, q11 \n" // G
"vmls.s16 q8, q6, q12 \n" // R
"vadd.u16 q8, q8, q15 \n" // +128 -> unsigned
"vmul.s16 q9, q6, q10 \n" // R
"vmls.s16 q9, q5, q14 \n" // G
"vmls.s16 q9, q4, q13 \n" // B
"vadd.u16 q9, q9, q15 \n" // +128 -> unsigned
"vqshrn.u16 d0, q8, #8 \n" // 16 bit to 8 bit U
"vqshrn.u16 d1, q9, #8 \n" // 16 bit to 8 bit V
"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)
"vst1.8 {d0}, [%2]! \n" // store 8 pixels U.
"st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U.
MEMACCESS(3)
"vst1.8 {d1}, [%3]! \n" // store 8 pixels V.
"st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V.
"b.gt 1b \n"
: "+r"(src_argb1555), // %0
"+r"(src_stride_argb1555), // %1
@ -2288,8 +2309,9 @@ void ARGB1555ToUVRow_NEON(const uint8* src_argb1555, int src_stride_argb1555,
"+r"(dst_v), // %3
"+r"(pix) // %4
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7",
"q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25",
"v26", "v27", "v28"
);
}
#endif // HAS_ARGB1555TOUVROW_NEON
@ -2299,60 +2321,64 @@ void ARGB1555ToUVRow_NEON(const uint8* src_argb1555, int src_stride_argb1555,
void ARGB4444ToUVRow_NEON(const uint8* src_argb4444, int src_stride_argb4444,
uint8* dst_u, uint8* dst_v, int pix) {
asm volatile (
"add %1, %0, %1 \n" // src_stride + src_argb
"vmov.s16 q10, #56 \n" // UB / VR 0.875 coefficient
"vmov.s16 q11, #37 \n" // UG -0.5781 coefficient
"vmov.s16 q12, #19 \n" // UR -0.2969 coefficient
"vmov.s16 q13, #9 \n" // VB -0.1406 coefficient
"vmov.s16 q14, #47 \n" // VG -0.7344 coefficient
"vmov.u16 q15, #0x8080 \n" // 128.5
"add %x1, %x0, %w1, sxtw \n" // src_stride + src_argb
"movi v20.8h, #112 / 2 \n" // UB / VR 0.875 coefficient
"movi v21.8h, #74 / 2 \n" // UG -0.5781 coefficient
"movi v22.8h, #38 / 2 \n" // UR -0.2969 coefficient
"movi v23.8h, #18 / 2 \n" // VB -0.1406 coefficient
"movi v24.8h, #94 / 2 \n" // VG -0.7344 coefficient
"movi v25.16b, #0x80 \n" // 128.5
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 ARGB4444 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels.
ARGB4444TOARGB
"vpaddl.u8 d8, d0 \n" // B 8 bytes -> 4 shorts.
"vpaddl.u8 d10, d1 \n" // G 8 bytes -> 4 shorts.
"vpaddl.u8 d12, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%0]! \n" // next 8 ARGB4444 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // next 8 ARGB4444 pixels.
ARGB4444TOARGB
"vpaddl.u8 d9, d0 \n" // B 8 bytes -> 4 shorts.
"vpaddl.u8 d11, d1 \n" // G 8 bytes -> 4 shorts.
"vpaddl.u8 d13, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%1]! \n" // load 8 ARGB4444 pixels.
"ld1 {v0.16b}, [%1], #16 \n" // load 8 ARGB4444 pixels.
ARGB4444TOARGB
"vpadal.u8 d8, d0 \n" // B 8 bytes -> 4 shorts.
"vpadal.u8 d10, d1 \n" // G 8 bytes -> 4 shorts.
"vpadal.u8 d12, d2 \n" // R 8 bytes -> 4 shorts.
"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)
"vld1.8 {q0}, [%1]! \n" // next 8 ARGB4444 pixels.
"ld1 {v0.16b}, [%1], #16 \n" // next 8 ARGB4444 pixels.
ARGB4444TOARGB
"vpadal.u8 d9, d0 \n" // B 8 bytes -> 4 shorts.
"vpadal.u8 d11, d1 \n" // G 8 bytes -> 4 shorts.
"vpadal.u8 d13, d2 \n" // R 8 bytes -> 4 shorts.
"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.
"vrshr.u16 q4, q4, #1 \n" // 2x average
"vrshr.u16 q5, q5, #1 \n"
"vrshr.u16 q6, q6, #1 \n"
"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 %4, %4, #16 \n" // 16 processed per loop.
"vmul.s16 q8, q4, q10 \n" // B
"vmls.s16 q8, q5, q11 \n" // G
"vmls.s16 q8, q6, q12 \n" // R
"vadd.u16 q8, q8, q15 \n" // +128 -> unsigned
"vmul.s16 q9, q6, q10 \n" // R
"vmls.s16 q9, q5, q14 \n" // G
"vmls.s16 q9, q4, q13 \n" // B
"vadd.u16 q9, q9, q15 \n" // +128 -> unsigned
"vqshrn.u16 d0, q8, #8 \n" // 16 bit to 8 bit U
"vqshrn.u16 d1, q9, #8 \n" // 16 bit to 8 bit V
"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)
"vst1.8 {d0}, [%2]! \n" // store 8 pixels U.
"st1 {v0.8b}, [%2], #8 \n" // store 8 pixels U.
MEMACCESS(3)
"vst1.8 {d1}, [%3]! \n" // store 8 pixels V.
"st1 {v1.8b}, [%3], #8 \n" // store 8 pixels V.
"b.gt 1b \n"
: "+r"(src_argb4444), // %0
"+r"(src_stride_argb4444), // %1
@ -2360,8 +2386,10 @@ void ARGB4444ToUVRow_NEON(const uint8* src_argb4444, int src_stride_argb4444,
"+r"(dst_v), // %3
"+r"(pix) // %4
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7",
"q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25",
"v26", "v27", "v28"
);
}
#endif // HAS_ARGB4444TOUVROW_NEON
@ -2369,29 +2397,30 @@ void ARGB4444ToUVRow_NEON(const uint8* src_argb4444, int src_stride_argb4444,
#ifdef HAS_RGB565TOYROW_NEON
void RGB565ToYRow_NEON(const uint8* src_rgb565, uint8* dst_y, int pix) {
asm volatile (
"vmov.u8 d24, #13 \n" // B * 0.1016 coefficient
"vmov.u8 d25, #65 \n" // G * 0.5078 coefficient
"vmov.u8 d26, #33 \n" // R * 0.2578 coefficient
"vmov.u8 d27, #16 \n" // Add 16 constant
"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
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 RGB565 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 RGB565 pixels.
"subs %2, %2, #8 \n" // 8 processed per loop.
RGB565TOARGB
"vmull.u8 q2, d0, d24 \n" // B
"vmlal.u8 q2, d1, d25 \n" // G
"vmlal.u8 q2, d2, d26 \n" // R
"vqrshrun.s16 d0, q2, #7 \n" // 16 bit to 8 bit Y
"vqadd.u8 d0, d27 \n"
"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)
"vst1.8 {d0}, [%1]! \n" // store 8 pixels Y.
"st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y.
"b.gt 1b \n"
: "+r"(src_rgb565), // %0
"+r"(dst_y), // %1
"+r"(pix) // %2
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q12", "q13"
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v6",
"v24", "v25", "v26", "v27"
);
}
#endif // HAS_RGB565TOYROW_NEON
@ -2399,29 +2428,29 @@ void RGB565ToYRow_NEON(const uint8* src_rgb565, uint8* dst_y, int pix) {
#ifdef HAS_ARGB1555TOYROW_NEON
void ARGB1555ToYRow_NEON(const uint8* src_argb1555, uint8* dst_y, int pix) {
asm volatile (
"vmov.u8 d24, #13 \n" // B * 0.1016 coefficient
"vmov.u8 d25, #65 \n" // G * 0.5078 coefficient
"vmov.u8 d26, #33 \n" // R * 0.2578 coefficient
"vmov.u8 d27, #16 \n" // Add 16 constant
"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
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 ARGB1555 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB1555 pixels.
"subs %2, %2, #8 \n" // 8 processed per loop.
ARGB1555TOARGB
"vmull.u8 q2, d0, d24 \n" // B
"vmlal.u8 q2, d1, d25 \n" // G
"vmlal.u8 q2, d2, d26 \n" // R
"vqrshrun.s16 d0, q2, #7 \n" // 16 bit to 8 bit Y
"vqadd.u8 d0, d27 \n"
"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)
"vst1.8 {d0}, [%1]! \n" // store 8 pixels Y.
"st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y.
"b.gt 1b \n"
: "+r"(src_argb1555), // %0
"+r"(dst_y), // %1
"+r"(pix) // %2
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q12", "q13"
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7"
);
}
#endif // HAS_ARGB1555TOYROW_NEON
@ -2429,29 +2458,29 @@ void ARGB1555ToYRow_NEON(const uint8* src_argb1555, uint8* dst_y, int pix) {
#ifdef HAS_ARGB4444TOYROW_NEON
void ARGB4444ToYRow_NEON(const uint8* src_argb4444, uint8* dst_y, int pix) {
asm volatile (
"vmov.u8 d24, #13 \n" // B * 0.1016 coefficient
"vmov.u8 d25, #65 \n" // G * 0.5078 coefficient
"vmov.u8 d26, #33 \n" // R * 0.2578 coefficient
"vmov.u8 d27, #16 \n" // Add 16 constant
"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
".p2align 2 \n"
"1: \n"
MEMACCESS(0)
"vld1.8 {q0}, [%0]! \n" // load 8 ARGB4444 pixels.
"ld1 {v0.16b}, [%0], #16 \n" // load 8 ARGB4444 pixels.
"subs %2, %2, #8 \n" // 8 processed per loop.
ARGB4444TOARGB
"vmull.u8 q2, d0, d24 \n" // B
"vmlal.u8 q2, d1, d25 \n" // G
"vmlal.u8 q2, d2, d26 \n" // R
"vqrshrun.s16 d0, q2, #7 \n" // 16 bit to 8 bit Y
"vqadd.u8 d0, d27 \n"
"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)
"vst1.8 {d0}, [%1]! \n" // store 8 pixels Y.
"st1 {v0.8b}, [%1], #8 \n" // store 8 pixels Y.
"b.gt 1b \n"
: "+r"(src_argb4444), // %0
"+r"(dst_y), // %1
"+r"(pix) // %2
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q12", "q13"
: "cc", "memory", "v0", "v1", "v2", "v3", "v24", "v25", "v26", "v27"
);
}
#endif // HAS_ARGB4444TOYROW_NEON