| /* |
| * Copyright 2014 The LibYuv Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "libyuv/row.h" |
| |
| #ifdef __cplusplus |
| namespace libyuv { |
| extern "C" { |
| #endif |
| |
| // This module is for GCC Neon armv8 64 bit. |
| #if !defined(LIBYUV_DISABLE_NEON) && \ |
| defined(__ARM_NEON__) && defined(__aarch64__) |
| |
| // Read 8 Y, 4 U and 4 V from 422 |
| #define READYUV422 \ |
| MEMACCESS(0) \ |
| "vld1.8 {d0}, [%0]! \n" \ |
| MEMACCESS(1) \ |
| "vld1.32 {d2[0]}, [%1]! \n" \ |
| MEMACCESS(2) \ |
| "vld1.32 {d2[1]}, [%2]! \n" |
| |
| // Read 8 Y, 2 U and 2 V from 422 |
| #define READYUV411 \ |
| MEMACCESS(0) \ |
| "vld1.8 {d0}, [%0]! \n" \ |
| MEMACCESS(1) \ |
| "vld1.16 {d2[0]}, [%1]! \n" \ |
| MEMACCESS(2) \ |
| "vld1.16 {d2[1]}, [%2]! \n" \ |
| "vmov.u8 d3, d2 \n" \ |
| "vzip.u8 d2, d3 \n" |
| |
| // Read 8 Y, 8 U and 8 V from 444 |
| #define READYUV444 \ |
| MEMACCESS(0) \ |
| "vld1.8 {d0}, [%0]! \n" \ |
| MEMACCESS(1) \ |
| "vld1.8 {d2}, [%1]! \n" \ |
| MEMACCESS(2) \ |
| "vld1.8 {d3}, [%2]! \n" \ |
| "vpaddl.u8 q1, q1 \n" \ |
| "vrshrn.u16 d2, q1, #1 \n" |
| |
| // Read 8 Y, and set 4 U and 4 V to 128 |
| #define READYUV400 \ |
| MEMACCESS(0) \ |
| "vld1.8 {d0}, [%0]! \n" \ |
| "vmov.u8 d2, #128 \n" |
| |
| // Read 8 Y and 4 UV from NV12 |
| #define READNV12 \ |
| MEMACCESS(0) \ |
| "vld1.8 {d0}, [%0]! \n" \ |
| MEMACCESS(1) \ |
| "vld1.8 {d2}, [%1]! \n" \ |
| "vmov.u8 d3, d2 \n"/* split odd/even uv apart */\ |
| "vuzp.u8 d2, d3 \n" \ |
| "vtrn.u32 d2, d3 \n" |
| |
| // Read 8 Y and 4 VU from NV21 |
| #define READNV21 \ |
| MEMACCESS(0) \ |
| "vld1.8 {d0}, [%0]! \n" \ |
| MEMACCESS(1) \ |
| "vld1.8 {d2}, [%1]! \n" \ |
| "vmov.u8 d3, d2 \n"/* split odd/even uv apart */\ |
| "vuzp.u8 d3, d2 \n" \ |
| "vtrn.u32 d2, d3 \n" |
| |
| // Read 8 YUY2 |
| #define READYUY2 \ |
| MEMACCESS(0) \ |
| "vld2.8 {d0, d2}, [%0]! \n" \ |
| "vmov.u8 d3, d2 \n" \ |
| "vuzp.u8 d2, d3 \n" \ |
| "vtrn.u32 d2, d3 \n" |
| |
| // Read 8 UYVY |
| #define READUYVY \ |
| MEMACCESS(0) \ |
| "vld2.8 {d2, d3}, [%0]! \n" \ |
| "vmov.u8 d0, d3 \n" \ |
| "vmov.u8 d3, d2 \n" \ |
| "vuzp.u8 d2, d3 \n" \ |
| "vtrn.u32 d2, d3 \n" |
| |
| #define YUV422TORGB \ |
| "veor.u8 d2, d26 \n"/*subtract 128 from u and v*/\ |
| "vmull.s8 q8, d2, d24 \n"/* u/v B/R component */\ |
| "vmull.s8 q9, d2, d25 \n"/* u/v G component */\ |
| "vmov.u8 d1, #0 \n"/* split odd/even y apart */\ |
| "vtrn.u8 d0, d1 \n" \ |
| "vsub.s16 q0, q0, q15 \n"/* offset y */\ |
| "vmul.s16 q0, q0, q14 \n" \ |
| "vadd.s16 d18, d19 \n" \ |
| "vqadd.s16 d20, d0, d16 \n" /* B */ \ |
| "vqadd.s16 d21, d1, d16 \n" \ |
| "vqadd.s16 d22, d0, d17 \n" /* R */ \ |
| "vqadd.s16 d23, d1, d17 \n" \ |
| "vqadd.s16 d16, d0, d18 \n" /* G */ \ |
| "vqadd.s16 d17, d1, d18 \n" \ |
| "vqshrun.s16 d0, q10, #6 \n" /* B */ \ |
| "vqshrun.s16 d1, q11, #6 \n" /* G */ \ |
| "vqshrun.s16 d2, q8, #6 \n" /* R */ \ |
| "vmovl.u8 q10, d0 \n"/* set up for reinterleave*/\ |
| "vmovl.u8 q11, d1 \n" \ |
| "vmovl.u8 q8, d2 \n" \ |
| "vtrn.u8 d20, d21 \n" \ |
| "vtrn.u8 d22, d23 \n" \ |
| "vtrn.u8 d16, d17 \n" \ |
| "vmov.u8 d21, d16 \n" |
| |
| static vec8 kUVToRB = { 127, 127, 127, 127, 102, 102, 102, 102, |
| 0, 0, 0, 0, 0, 0, 0, 0 }; |
| static vec8 kUVToG = { -25, -25, -25, -25, -52, -52, -52, -52, |
| 0, 0, 0, 0, 0, 0, 0, 0 }; |
| |
| #ifdef HAS_I444TOARGBROW_NEON |
| void I444ToARGBRow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV444 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(3) |
| "vst4.8 {d20, d21, d22, d23}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_argb), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I444TOARGBROW_NEON |
| |
| #ifdef HAS_I422TOARGBROW_NEON |
| void I422ToARGBRow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(3) |
| "vst4.8 {d20, d21, d22, d23}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_argb), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TOARGBROW_NEON |
| |
| #ifdef HAS_I411TOARGBROW_NEON |
| void I411ToARGBRow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV411 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(3) |
| "vst4.8 {d20, d21, d22, d23}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_argb), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I411TOARGBROW_NEON |
| |
| #ifdef HAS_I422TOBGRAROW_NEON |
| void I422ToBGRARow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_bgra, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vswp.u8 d20, d22 \n" |
| "vmov.u8 d19, #255 \n" |
| MEMACCESS(3) |
| "vst4.8 {d19, d20, d21, d22}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_bgra), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TOBGRAROW_NEON |
| |
| #ifdef HAS_I422TOABGRROW_NEON |
| void I422ToABGRRow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_abgr, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vswp.u8 d20, d22 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(3) |
| "vst4.8 {d20, d21, d22, d23}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_abgr), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TOABGRROW_NEON |
| |
| #ifdef HAS_I422TORGBAROW_NEON |
| void I422ToRGBARow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_rgba, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vmov.u8 d19, #255 \n" |
| MEMACCESS(3) |
| "vst4.8 {d19, d20, d21, d22}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_rgba), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TORGBAROW_NEON |
| |
| #ifdef HAS_I422TORGB24ROW_NEON |
| void I422ToRGB24Row_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_rgb24, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| MEMACCESS(3) |
| "vst3.8 {d20, d21, d22}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_rgb24), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TORGB24ROW_NEON |
| |
| #ifdef HAS_I422TORAWROW_NEON |
| void I422ToRAWRow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_raw, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vswp.u8 d20, d22 \n" |
| MEMACCESS(3) |
| "vst3.8 {d20, d21, d22}, [%3]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_raw), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TORAWROW_NEON |
| |
| #define ARGBTORGB565 \ |
| "vshr.u8 d20, d20, #3 \n" /* B */ \ |
| "vshr.u8 d21, d21, #2 \n" /* G */ \ |
| "vshr.u8 d22, d22, #3 \n" /* R */ \ |
| "vmovl.u8 q8, d20 \n" /* B */ \ |
| "vmovl.u8 q9, d21 \n" /* G */ \ |
| "vmovl.u8 q10, d22 \n" /* R */ \ |
| "vshl.u16 q9, q9, #5 \n" /* G */ \ |
| "vshl.u16 q10, q10, #11 \n" /* R */ \ |
| "vorr q0, q8, q9 \n" /* BG */ \ |
| "vorr q0, q0, q10 \n" /* BGR */ |
| |
| #ifdef HAS_I422TORGB565ROW_NEON |
| void I422ToRGB565Row_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_rgb565, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| ARGBTORGB565 |
| MEMACCESS(3) |
| "vst1.8 {q0}, [%3]! \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 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TORGB565ROW_NEON |
| |
| #define ARGBTOARGB1555 \ |
| "vshr.u8 q10, q10, #3 \n" /* B */ \ |
| "vshr.u8 d22, d22, #3 \n" /* R */ \ |
| "vshr.u8 d23, d23, #7 \n" /* A */ \ |
| "vmovl.u8 q8, d20 \n" /* B */ \ |
| "vmovl.u8 q9, d21 \n" /* G */ \ |
| "vmovl.u8 q10, d22 \n" /* R */ \ |
| "vmovl.u8 q11, d23 \n" /* A */ \ |
| "vshl.u16 q9, q9, #5 \n" /* G */ \ |
| "vshl.u16 q10, q10, #10 \n" /* R */ \ |
| "vshl.u16 q11, q11, #15 \n" /* A */ \ |
| "vorr q0, q8, q9 \n" /* BG */ \ |
| "vorr q1, q10, q11 \n" /* RA */ \ |
| "vorr q0, q0, q1 \n" /* BGRA */ |
| |
| #ifdef HAS_I422TOARGB1555ROW_NEON |
| void I422ToARGB1555Row_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_argb1555, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| ARGBTOARGB1555 |
| MEMACCESS(3) |
| "vst1.8 {q0}, [%3]! \n" // store 8 pixels ARGB1555. |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_argb1555), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TOARGB1555ROW_NEON |
| |
| #define ARGBTOARGB4444 \ |
| "vshr.u8 d20, d20, #4 \n" /* B */ \ |
| "vbic.32 d21, d21, d4 \n" /* G */ \ |
| "vshr.u8 d22, d22, #4 \n" /* R */ \ |
| "vbic.32 d23, d23, d4 \n" /* A */ \ |
| "vorr d0, d20, d21 \n" /* BG */ \ |
| "vorr d1, d22, d23 \n" /* RA */ \ |
| "vzip.u8 d0, d1 \n" /* BGRA */ |
| |
| #ifdef HAS_I422TOARGB4444ROW_NEON |
| void I422ToARGB4444Row_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_argb4444, |
| int width) { |
| asm volatile ( |
| MEMACCESS(5) |
| "vld1.8 {d24}, [%5] \n" |
| MEMACCESS(6) |
| "vld1.8 {d25}, [%6] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| "vmov.u8 d4, #0x0f \n" // bits to clear with vbic. |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV422 |
| YUV422TORGB |
| "subs %4, %4, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| ARGBTOARGB4444 |
| MEMACCESS(3) |
| "vst1.8 {q0}, [%3]! \n" // store 8 pixels ARGB4444. |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_u), // %1 |
| "+r"(src_v), // %2 |
| "+r"(dst_argb4444), // %3 |
| "+r"(width) // %4 |
| : "r"(&kUVToRB), // %5 |
| "r"(&kUVToG) // %6 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_I422TOARGB4444ROW_NEON |
| |
| #ifdef HAS_YTOARGBROW_NEON |
| void YToARGBRow_NEON(const uint8* src_y, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(3) |
| "vld1.8 {d24}, [%3] \n" |
| MEMACCESS(4) |
| "vld1.8 {d25}, [%4] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUV400 |
| YUV422TORGB |
| "subs %2, %2, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(1) |
| "vst4.8 {d20, d21, d22, d23}, [%1]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(width) // %2 |
| : "r"(&kUVToRB), // %3 |
| "r"(&kUVToG) // %4 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_YTOARGBROW_NEON |
| |
| #ifdef HAS_I400TOARGBROW_NEON |
| void I400ToARGBRow_NEON(const uint8* src_y, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "vmov.u8 d23, #255 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {d20}, [%0]! \n" |
| "vmov d21, d20 \n" |
| "vmov d22, d20 \n" |
| "subs %2, %2, #8 \n" |
| MEMACCESS(1) |
| "vst4.8 {d20, d21, d22, d23}, [%1]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(width) // %2 |
| : |
| : "cc", "memory", "d20", "d21", "d22", "d23" |
| ); |
| } |
| #endif // HAS_I400TOARGBROW_NEON |
| |
| #ifdef HAS_NV12TOARGBROW_NEON |
| void NV12ToARGBRow_NEON(const uint8* src_y, |
| const uint8* src_uv, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(4) |
| "vld1.8 {d24}, [%4] \n" |
| MEMACCESS(5) |
| "vld1.8 {d25}, [%5] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READNV12 |
| YUV422TORGB |
| "subs %3, %3, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(2) |
| "vst4.8 {d20, d21, d22, d23}, [%2]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_uv), // %1 |
| "+r"(dst_argb), // %2 |
| "+r"(width) // %3 |
| : "r"(&kUVToRB), // %4 |
| "r"(&kUVToG) // %5 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_NV12TOARGBROW_NEON |
| |
| #ifdef HAS_NV21TOARGBROW_NEON |
| void NV21ToARGBRow_NEON(const uint8* src_y, |
| const uint8* src_uv, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(4) |
| "vld1.8 {d24}, [%4] \n" |
| MEMACCESS(5) |
| "vld1.8 {d25}, [%5] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READNV21 |
| YUV422TORGB |
| "subs %3, %3, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(2) |
| "vst4.8 {d20, d21, d22, d23}, [%2]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_uv), // %1 |
| "+r"(dst_argb), // %2 |
| "+r"(width) // %3 |
| : "r"(&kUVToRB), // %4 |
| "r"(&kUVToG) // %5 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_NV21TOARGBROW_NEON |
| |
| #ifdef HAS_NV12TORGB565ROW_NEON |
| void NV12ToRGB565Row_NEON(const uint8* src_y, |
| const uint8* src_uv, |
| uint8* dst_rgb565, |
| int width) { |
| asm volatile ( |
| MEMACCESS(4) |
| "vld1.8 {d24}, [%4] \n" |
| MEMACCESS(5) |
| "vld1.8 {d25}, [%5] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READNV12 |
| YUV422TORGB |
| "subs %3, %3, #8 \n" |
| ARGBTORGB565 |
| MEMACCESS(2) |
| "vst1.8 {q0}, [%2]! \n" // store 8 pixels RGB565. |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_uv), // %1 |
| "+r"(dst_rgb565), // %2 |
| "+r"(width) // %3 |
| : "r"(&kUVToRB), // %4 |
| "r"(&kUVToG) // %5 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_NV12TORGB565ROW_NEON |
| |
| #ifdef HAS_NV21TORGB565ROW_NEON |
| void NV21ToRGB565Row_NEON(const uint8* src_y, |
| const uint8* src_uv, |
| uint8* dst_rgb565, |
| int width) { |
| asm volatile ( |
| MEMACCESS(4) |
| "vld1.8 {d24}, [%4] \n" |
| MEMACCESS(5) |
| "vld1.8 {d25}, [%5] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READNV21 |
| YUV422TORGB |
| "subs %3, %3, #8 \n" |
| ARGBTORGB565 |
| MEMACCESS(2) |
| "vst1.8 {q0}, [%2]! \n" // store 8 pixels RGB565. |
| "b.gt 1b \n" |
| : "+r"(src_y), // %0 |
| "+r"(src_uv), // %1 |
| "+r"(dst_rgb565), // %2 |
| "+r"(width) // %3 |
| : "r"(&kUVToRB), // %4 |
| "r"(&kUVToG) // %5 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_NV21TORGB565ROW_NEON |
| |
| #ifdef HAS_YUY2TOARGBROW_NEON |
| void YUY2ToARGBRow_NEON(const uint8* src_yuy2, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(3) |
| "vld1.8 {d24}, [%3] \n" |
| MEMACCESS(4) |
| "vld1.8 {d25}, [%4] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READYUY2 |
| YUV422TORGB |
| "subs %2, %2, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(1) |
| "vst4.8 {d20, d21, d22, d23}, [%1]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_yuy2), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(width) // %2 |
| : "r"(&kUVToRB), // %3 |
| "r"(&kUVToG) // %4 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_YUY2TOARGBROW_NEON |
| |
| #ifdef HAS_UYVYTOARGBROW_NEON |
| void UYVYToARGBRow_NEON(const uint8* src_uyvy, |
| uint8* dst_argb, |
| int width) { |
| asm volatile ( |
| MEMACCESS(3) |
| "vld1.8 {d24}, [%3] \n" |
| MEMACCESS(4) |
| "vld1.8 {d25}, [%4] \n" |
| "vmov.u8 d26, #128 \n" |
| "vmov.u16 q14, #74 \n" |
| "vmov.u16 q15, #16 \n" |
| ".p2align 2 \n" |
| "1: \n" |
| READUYVY |
| YUV422TORGB |
| "subs %2, %2, #8 \n" |
| "vmov.u8 d23, #255 \n" |
| MEMACCESS(1) |
| "vst4.8 {d20, d21, d22, d23}, [%1]! \n" |
| "b.gt 1b \n" |
| : "+r"(src_uyvy), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(width) // %2 |
| : "r"(&kUVToRB), // %3 |
| "r"(&kUVToG) // %4 |
| : "cc", "memory", "q0", "q1", "q2", "q3", |
| "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" |
| ); |
| } |
| #endif // HAS_UYVYTOARGBROW_NEON |
| |
| // Reads 16 pairs of UV and write even values to dst_u and odd to dst_v. |
| #ifdef HAS_SPLITUVROW_NEON |
| void SplitUVRow_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, |
| int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pairs of UV |
| "subs %3, %3, #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 |
| ); |
| } |
| #endif // HAS_SPLITUVROW_NEON |
| |
| // Reads 16 U's and V's and writes out 16 pairs of UV. |
| #ifdef HAS_MERGEUVROW_NEON |
| void MergeUVRow_NEON(const uint8* src_u, const uint8* src_v, uint8* dst_uv, |
| int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.16b}, [%0], #16 \n" // load U |
| MEMACCESS(1) |
| "ld1 {v1.16b}, [%1], #16 \n" // load V |
| "subs %3, %3, #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 |
| ); |
| } |
| #endif // HAS_MERGEUVROW_NEON |
| |
| // Copy multiple of 32. vld4.8 allow unaligned and is fastest on a15. |
| #ifdef HAS_COPYROW_NEON |
| void CopyRow_NEON(const uint8* src, uint8* dst, int count) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 32 |
| "subs %2, %2, #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 |
| ); |
| } |
| #endif // HAS_COPYROW_NEON |
| |
| // SetRow8 writes 'count' bytes using a 32 bit value repeated. |
| #ifdef HAS_SETROW_NEON |
| void SetRow_NEON(uint8* dst, uint32 v32, int count) { |
| asm volatile ( |
| "dup v0.4s, %w2 \n" // duplicate 4 ints |
| "1: \n" |
| "subs %1, %1, #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"(v32) // %2 |
| : "cc", "memory", "v0" |
| ); |
| } |
| #endif // HAS_SETROW_NEON |
| |
| // TODO(fbarchard): Make fully assembler |
| // SetRow32 writes 'count' words using a 32 bit value repeated. |
| #ifdef HAS_ARGBSETROWS_NEON |
| void ARGBSetRows_NEON(uint8* dst, uint32 v32, int width, |
| int dst_stride, int height) { |
| for (int y = 0; y < height; ++y) { |
| SetRow_NEON(dst, v32, width << 2); |
| dst += dst_stride; |
| } |
| } |
| #endif // HAS_ARGBSETROWS_NEON |
| |
| #ifdef HAS_MIRRORROW_NEON |
| void MirrorRow_NEON(const uint8* src, uint8* dst, int width) { |
| asm volatile ( |
| // Start at end of source row. |
| "add %0, %0, %2 \n" |
| "sub %0, %0, #16 \n" |
| |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.16b}, [%0], %3 \n" // src -= 16 |
| "subs %2, %2, #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" |
| ); |
| } |
| #endif // HAS_MIRRORROW_NEON |
| |
| #ifdef HAS_MIRRORUVROW_NEON |
| void MirrorUVRow_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, |
| int width) { |
| asm volatile ( |
| // Start at end of source row. |
| "add %0, %0, %3, lsl #1 \n" |
| "sub %0, %0, #16 \n" |
| |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld2 {v0.8b, v1.8b}, [%0], %4 \n" // src -= 16 |
| "subs %3, %3, #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" |
| ); |
| } |
| #endif // HAS_MIRRORUVROW_NEON |
| |
| #ifdef HAS_ARGBMIRRORROW_NEON |
| void ARGBMirrorRow_NEON(const uint8* src, uint8* dst, int width) { |
| asm volatile ( |
| // Start at end of source row. |
| "add %0, %0, %2, lsl #2 \n" |
| "sub %0, %0, #16 \n" |
| |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.16b}, [%0], %3 \n" // src -= 16 |
| "subs %2, %2, #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" |
| ); |
| } |
| #endif // HAS_ARGBMIRRORROW_NEON |
| |
| #ifdef HAS_RGB24TOARGBROW_NEON |
| void RGB24ToARGBRow_NEON(const uint8* src_rgb24, uint8* dst_argb, int pix) { |
| asm volatile ( |
| "movi v4.8b, #255 \n" // Alpha |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld3 {v1.8b,v2.8b,v3.8b}, [%0], #24 \n" // load 8 pixels of RGB24. |
| "subs %2, %2, #8 \n" // 8 processed per loop. |
| MEMACCESS(1) |
| "st4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%1], #32 \n" // store 8 pixels of ARGB. |
| "b.gt 1b \n" |
| : "+r"(src_rgb24), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "v1", "v2", "v3", "v4" // Clobber List |
| ); |
| } |
| #endif // HAS_RGB24TOARGBROW_NEON |
| |
| #ifdef HAS_RAWTOARGBROW_NEON |
| void RAWToARGBRow_NEON(const uint8* src_raw, uint8* dst_argb, int pix) { |
| asm volatile ( |
| "movi v5.8b, #255 \n" // Alpha |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // read r g b |
| "subs %2, %2, #8 \n" // 8 processed per loop. |
| "mov v3.8b, v1.8b \n" // move g |
| "mov v4.8b, 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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5" // Clobber List |
| ); |
| } |
| #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 */ |
| |
| #ifdef HAS_RGB565TOARGBROW_NEON |
| void RGB565ToARGBRow_NEON(const uint8* src_rgb565, 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 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. |
| "b.gt 1b \n" |
| : "+r"(src_rgb565), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "q0", "q1", "q2", "q3" // 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 */ \ |
| |
| // 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 */ |
| |
| #ifdef HAS_ARGB1555TOARGBROW_NEON |
| void ARGB1555ToARGBRow_NEON(const uint8* src_argb1555, 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 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. |
| "b.gt 1b \n" |
| : "+r"(src_argb1555), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "q0", "q1", "q2", "q3" // 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 */ |
| |
| #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. |
| "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. |
| "b.gt 1b \n" |
| : "+r"(src_argb4444), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "q0", "q1", "q2" // Clobber List |
| ); |
| } |
| #endif // HAS_ARGB4444TOARGBROW_NEON |
| |
| #ifdef HAS_ARGBTORGB24ROW_NEON |
| void ARGBToRGB24Row_NEON(const uint8* src_argb, uint8* dst_rgb24, int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%0], #32 \n" // load 8 pixels of ARGB. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v1", "v2", "v3", "v4" // Clobber List |
| ); |
| } |
| #endif // HAS_ARGBTORGB24ROW_NEON |
| |
| #ifdef HAS_ARGBTORAWROW_NEON |
| void ARGBToRAWRow_NEON(const uint8* src_argb, uint8* dst_raw, int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v1.8b,v2.8b,v3.8b,v4.8b}, [%0], #32 \n" // load b g r a |
| "subs %2, %2, #8 \n" // 8 processed per loop. |
| "mov v4.8b, v2.8b \n" // mov g |
| "mov v5.8b, 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"(pix) // %2 |
| : |
| : "cc", "memory", "v1", "v2", "v3", "v4", "v5" // Clobber List |
| ); |
| } |
| #endif // HAS_ARGBTORAWROW_NEON |
| |
| #ifdef HAS_YUY2TOYROW_NEON |
| void YUY2ToYRow_NEON(const uint8* src_yuy2, uint8* dst_y, int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pixels of YUY2. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1" // Clobber List |
| ); |
| } |
| #endif // HAS_YUY2TOYROW_NEON |
| |
| #ifdef HAS_UYVYTOYROW_NEON |
| void UYVYToYRow_NEON(const uint8* src_uyvy, uint8* dst_y, int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld2 {v0.16b,v1.16b}, [%0], #32 \n" // load 16 pixels of UYVY. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1" // Clobber List |
| ); |
| } |
| #endif // HAS_UYVYTOYROW_NEON |
| |
| #ifdef HAS_YUY2TOUV422ROW_NEON |
| void YUY2ToUV422Row_NEON(const uint8* src_yuy2, uint8* dst_u, uint8* dst_v, |
| int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels of YUY2. |
| "subs %3, %3, #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"(pix) // %3 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List |
| ); |
| } |
| #endif // HAS_YUY2TOUV422ROW_NEON |
| |
| #ifdef HAS_UYVYTOUV422ROW_NEON |
| void UYVYToUV422Row_NEON(const uint8* src_uyvy, uint8* dst_u, uint8* dst_v, |
| int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels of UYVY. |
| "subs %3, %3, #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"(pix) // %3 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List |
| ); |
| } |
| #endif // HAS_UYVYTOUV422ROW_NEON |
| |
| #ifdef HAS_YUY2TOUVROW_NEON |
| void YUY2ToUVRow_NEON(const uint8* src_yuy2, int stride_yuy2, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| const uint8* src_yuy2b = src_yuy2 + stride_yuy2; |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels of YUY2. |
| "subs %4, %4, #16 \n" // 16 pixels = 8 UVs. |
| MEMACCESS(1) |
| "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load next row YUY2. |
| "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"(pix) // %4 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" // Clobber List |
| ); |
| } |
| #endif // HAS_YUY2TOUVROW_NEON |
| |
| #ifdef HAS_UYVYTOUVROW_NEON |
| void UYVYToUVRow_NEON(const uint8* src_uyvy, int stride_uyvy, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| const uint8* src_uyvyb = src_uyvy + stride_uyvy; |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 16 pixels of UYVY. |
| "subs %4, %4, #16 \n" // 16 pixels = 8 UVs. |
| MEMACCESS(1) |
| "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load next row UYVY. |
| "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"(pix) // %4 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" // Clobber List |
| ); |
| } |
| #endif // HAS_UYVYTOUVROW_NEON |
| |
| #ifdef HAS_HALFROW_NEON |
| void HalfRow_NEON(const uint8* src_uv, int src_uv_stride, |
| uint8* dst_uv, int pix) { |
| const uint8* src_uvb = src_uv + src_uv_stride; |
| asm volatile ( |
| // change the stride to row 2 pointer |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.16b}, [%0], #16 \n" // load row 1 16 pixels. |
| "subs %3, %3, #16 \n" // 16 processed per loop |
| MEMACCESS(1) |
| "ld1 {v1.16b}, [%1], #16 \n" // load row 2 16 pixels. |
| "urhadd v0.16b, v0.16b, v1.16b \n" // average row 1 and 2 |
| MEMACCESS(2) |
| "st1 {v0.16b}, [%2], #16 \n" |
| "b.gt 1b \n" |
| : "+r"(src_uv), // %0 |
| "+r"(src_uvb), // %1 |
| "+r"(dst_uv), // %2 |
| "+r"(pix) // %3 |
| : |
| : "cc", "memory", "v0", "v1" // Clobber List |
| ); |
| } |
| #endif // HAS_HALFROW_NEON |
| |
| // Select 2 channels from ARGB on alternating pixels. e.g. BGBGBGBG |
| #ifdef HAS_ARGBTOBAYERROW_NEON |
| void ARGBToBayerRow_NEON(const uint8* src_argb, uint8* dst_bayer, |
| uint32 selector, int pix) { |
| asm volatile ( |
| "mov v2.s[0], %w3 \n" // selector |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.16b,v1.16b}, [%0], 32 \n" // load row 8 pixels. |
| "subs %2, %2, #8 \n" // 8 processed per loop |
| "tbl v4.8b, {v0.16b}, v2.8b \n" // look up 4 pixels |
| "tbl v5.8b, {v1.16b}, v2.8b \n" // look up 4 pixels |
| "trn1 v4.4s, v4.4s, v5.4s \n" // combine 8 pixels |
| MEMACCESS(1) |
| "st1 {v4.8b}, [%1], #8 \n" // store 8. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_bayer), // %1 |
| "+r"(pix) // %2 |
| : "r"(selector) // %3 |
| : "cc", "memory", "v0", "v1", "v2", "v4", "v5" // Clobber List |
| ); |
| } |
| #endif // HAS_ARGBTOBAYERROW_NEON |
| |
| // Select G channels from ARGB. e.g. GGGGGGGG |
| #ifdef HAS_ARGBTOBAYERGGROW_NEON |
| void ARGBToBayerGGRow_NEON(const uint8* src_argb, uint8* dst_bayer, |
| uint32 /*selector*/, int pix) { |
| asm volatile ( |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load row 8 pixels. |
| "subs %2, %2, #8 \n" // 8 processed per loop |
| MEMACCESS(1) |
| "st1 {v1.8b}, [%1], #8 \n" // store 8 G's. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_bayer), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List |
| ); |
| } |
| #endif // HAS_ARGBTOBAYERGGROW_NEON |
| |
| // For BGRAToARGB, ABGRToARGB, RGBAToARGB, and ARGBToRGBA. |
| #ifdef HAS_ARGBSHUFFLEROW_NEON |
| void ARGBShuffleRow_NEON(const uint8* src_argb, uint8* dst_argb, |
| const uint8* shuffler, int pix) { |
| asm volatile ( |
| MEMACCESS(3) |
| "ld1 {v2.16b}, [%3] \n" // shuffler |
| "1: \n" |
| MEMACCESS(0) |
| "ld1 {v0.16b}, [%0], #16 \n" // load 4 pixels. |
| "subs %2, %2, #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"(pix) // %2 |
| : "r"(shuffler) // %3 |
| : "cc", "memory", "v0", "v1", "v2" // Clobber List |
| ); |
| } |
| #endif // HAS_ARGBSHUFFLEROW_NEON |
| |
| #ifdef HAS_I422TOYUY2ROW_NEON |
| void I422ToYUY2Row_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_yuy2, int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld2 {v0.8b, v1.8b}, [%0], #16 \n" // load 16 Ys |
| "mov v2.8b, 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 %4, %4, #16 \n" // 16 pixels |
| MEMACCESS(3) |
| "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%3], #32 \n" // Store 8 YUY2/16 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" |
| ); |
| } |
| #endif // HAS_I422TOYUY2ROW_NEON |
| |
| #ifdef HAS_I422TOUYVYROW_NEON |
| void I422ToUYVYRow_NEON(const uint8* src_y, |
| const uint8* src_u, |
| const uint8* src_v, |
| uint8* dst_uyvy, int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld2 {v1.8b,v2.8b}, [%0], #16 \n" // load 16 Ys |
| "mov v3.8b, 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 %4, %4, #16 \n" // 16 pixels |
| MEMACCESS(3) |
| "st4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%3], #32 \n" // Store 8 UYVY/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" |
| ); |
| } |
| #endif // HAS_I422TOUYVYROW_NEON |
| |
| #ifdef HAS_ARGBTORGB565ROW_NEON |
| void ARGBToRGB565Row_NEON(const uint8* src_argb, uint8* dst_rgb565, int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d20, d21, d22, d23}, [%0]! \n" // load 8 pixels of ARGB. |
| "subs %2, %2, #8 \n" // 8 processed per loop. |
| ARGBTORGB565 |
| MEMACCESS(1) |
| "vst1.8 {q0}, [%1]! \n" // store 8 pixels RGB565. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_rgb565), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "q0", "q8", "q9", "q10", "q11" |
| ); |
| } |
| #endif // HAS_ARGBTORGB565ROW_NEON |
| |
| #ifdef HAS_ARGBTOARGB1555ROW_NEON |
| void ARGBToARGB1555Row_NEON(const uint8* src_argb, uint8* dst_argb1555, |
| int pix) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d20, d21, d22, d23}, [%0]! \n" // load 8 pixels of ARGB. |
| "subs %2, %2, #8 \n" // 8 processed per loop. |
| ARGBTOARGB1555 |
| MEMACCESS(1) |
| "vst1.8 {q0}, [%1]! \n" // store 8 pixels ARGB1555. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_argb1555), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "q0", "q8", "q9", "q10", "q11" |
| ); |
| } |
| #endif // HAS_ARGBTOARGB1555ROW_NEON |
| |
| #ifdef HAS_ARGBTOARGB4444ROW_NEON |
| void ARGBToARGB4444Row_NEON(const uint8* src_argb, uint8* dst_argb4444, |
| int pix) { |
| asm volatile ( |
| "vmov.u8 d4, #0x0f \n" // bits to clear with vbic. |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d20, d21, d22, d23}, [%0]! \n" // load 8 pixels of ARGB. |
| "subs %2, %2, #8 \n" // 8 processed per loop. |
| ARGBTOARGB4444 |
| MEMACCESS(1) |
| "vst1.8 {q0}, [%1]! \n" // store 8 pixels ARGB4444. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_argb4444), // %1 |
| "+r"(pix) // %2 |
| : |
| : "cc", "memory", "q0", "q8", "q9", "q10", "q11" |
| ); |
| } |
| #endif // HAS_ARGBTOARGB4444ROW_NEON |
| |
| #ifdef HAS_ARGBTOYROW_NEON |
| void ARGBToYRow_NEON(const uint8* src_argb, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7" |
| ); |
| } |
| #endif // HAS_ARGBTOYROW_NEON |
| |
| #ifdef HAS_ARGBTOYJROW_NEON |
| void ARGBToYJRow_NEON(const uint8* src_argb, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6" |
| ); |
| } |
| #endif // HAS_ARGBTOYJROW_NEON |
| |
| // 8x1 pixels. |
| #ifdef HAS_ARGBTOUV444ROW_NEON |
| void ARGBToUV444Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, |
| int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. |
| "subs %3, %3, #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"(pix) // %3 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", |
| "v24", "v25", "v26", "v27", "v28", "v29" |
| ); |
| } |
| #endif // HAS_ARGBTOUV444ROW_NEON |
| |
| // 16x1 pixels -> 8x1. pix is number of argb pixels. e.g. 16. |
| #ifdef HAS_ARGBTOUV422ROW_NEON |
| void ARGBToUV422Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, |
| int pix) { |
| asm volatile ( |
| "movi v20.8h, #56 \n" // UB / VR 0.875 / 2 coefficient |
| "movi v21.8h, #37 \n" // UG -0.5781 / 2 coefficient |
| "movi v22.8h, #19 \n" // UR -0.2969 / 2 coefficient |
| "movi v23.8h, #9 \n" // VB -0.1406 / 2 coefficient |
| "movi v24.8h, #47 \n" // VG -0.7344 / 2 coefficient |
| "movi v25.16b, #0x80 \n" // 128.5 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 ARGB 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. |
| |
| "subs %3, %3, #16 \n" // 16 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"(pix) // %3 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
| "v20", "v21", "v22", "v23", "v24", "v25" |
| ); |
| } |
| #endif // HAS_ARGBTOUV422ROW_NEON |
| |
| // 32x1 pixels -> 8x1. pix is number of argb pixels. e.g. 32. |
| #ifdef HAS_ARGBTOUV411ROW_NEON |
| void ARGBToUV411Row_NEON(const uint8* src_argb, uint8* dst_u, uint8* dst_v, |
| int pix) { |
| asm volatile ( |
| "movi v20.8h, #56 \n" // UB / VR 0.875 / 2 coefficient |
| "movi v21.8h, #37 \n" // UG -0.5781 / 2 coefficient |
| "movi v22.8h, #19 \n" // UR -0.2969 / 2 coefficient |
| "movi v23.8h, #9 \n" // VB -0.1406 / 2 coefficient |
| "movi v24.8h, #47 \n" // VG -0.7344 / 2 coefficient |
| "movi v25.16b, #0x80 \n" // 128.5 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.16b,v1.16b,v2.16b,v3.16b}, [%0], #64 \n" // load 16 ARGB 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 ARGB pixels. |
| "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 %3, %3, #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"(pix) // %3 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
| "v20", "v21", "v22", "v23", "v24", "v25" |
| ); |
| } |
| #endif // HAS_ARGBTOUV411ROW_NEON |
| |
| // 16x2 pixels -> 8x1. pix is number of argb pixels. e.g. 16. |
| #define RGBTOUV(QB, QG, QR) \ |
| "vmul.s16 q8, " #QB ", q10 \n" /* B */ \ |
| "vmls.s16 q8, " #QG ", q11 \n" /* G */ \ |
| "vmls.s16 q8, " #QR ", q12 \n" /* R */ \ |
| "vadd.u16 q8, q8, q15 \n" /* +128 -> unsigned */ \ |
| "vmul.s16 q9, " #QR ", q10 \n" /* R */ \ |
| "vmls.s16 q9, " #QG ", q14 \n" /* G */ \ |
| "vmls.s16 q9, " #QB ", 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 */ |
| |
| // TODO(fbarchard): Consider vhadd vertical, then vpaddl horizontal, avoid shr. |
| // TODO(fbarchard): consider ptrdiff_t for all strides. |
| |
| #ifdef HAS_ARGBTOUVROW_NEON |
| void ARGBToUVRow_NEON(const uint8* src_argb, int src_stride_argb, |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 ARGB pixels. |
| MEMACCESS(0) |
| "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 ARGB pixels. |
| "vpaddl.u8 q0, q0 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q2, q2 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld4.8 {d8, d10, d12, d14}, [%1]! \n" // load 8 more ARGB pixels. |
| MEMACCESS(1) |
| "vld4.8 {d9, d11, d13, d15}, [%1]! \n" // load last 8 ARGB pixels. |
| "vpadal.u8 q0, q4 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q5 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q2, q6 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q0, q0, #1 \n" // 2x average |
| "vrshr.u16 q1, q1, #1 \n" |
| "vrshr.u16 q2, q2, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q0, q1, q2) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(src_stride_argb), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_ARGBTOUVROW_NEON |
| |
| // TODO(fbarchard): Subsample match C code. |
| #ifdef HAS_ARGBTOUVJROW_NEON |
| void ARGBToUVJRow_NEON(const uint8* src_argb, int src_stride_argb, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| asm volatile ( |
| "add %1, %0, %1 \n" // src_stride + src_argb |
| "vmov.s16 q10, #127 / 2 \n" // UB / VR 0.500 coefficient |
| "vmov.s16 q11, #84 / 2 \n" // UG -0.33126 coefficient |
| "vmov.s16 q12, #43 / 2 \n" // UR -0.16874 coefficient |
| "vmov.s16 q13, #20 / 2 \n" // VB -0.08131 coefficient |
| "vmov.s16 q14, #107 / 2 \n" // VG -0.41869 coefficient |
| "vmov.u16 q15, #0x8080 \n" // 128.5 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 ARGB pixels. |
| MEMACCESS(0) |
| "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 ARGB pixels. |
| "vpaddl.u8 q0, q0 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q2, q2 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld4.8 {d8, d10, d12, d14}, [%1]! \n" // load 8 more ARGB pixels. |
| MEMACCESS(1) |
| "vld4.8 {d9, d11, d13, d15}, [%1]! \n" // load last 8 ARGB pixels. |
| "vpadal.u8 q0, q4 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q5 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q2, q6 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q0, q0, #1 \n" // 2x average |
| "vrshr.u16 q1, q1, #1 \n" |
| "vrshr.u16 q2, q2, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q0, q1, q2) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(src_stride_argb), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_ARGBTOUVJROW_NEON |
| |
| #ifdef HAS_BGRATOUVROW_NEON |
| void BGRAToUVRow_NEON(const uint8* src_bgra, int src_stride_bgra, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| asm volatile ( |
| "add %1, %0, %1 \n" // src_stride + src_bgra |
| "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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 BGRA pixels. |
| MEMACCESS(0) |
| "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 BGRA pixels. |
| "vpaddl.u8 q3, q3 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q2, q2 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q1 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld4.8 {d8, d10, d12, d14}, [%1]! \n" // load 8 more BGRA pixels. |
| MEMACCESS(1) |
| "vld4.8 {d9, d11, d13, d15}, [%1]! \n" // load last 8 BGRA pixels. |
| "vpadal.u8 q3, q7 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q2, q6 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q5 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q1, q1, #1 \n" // 2x average |
| "vrshr.u16 q2, q2, #1 \n" |
| "vrshr.u16 q3, q3, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q3, q2, q1) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_bgra), // %0 |
| "+r"(src_stride_bgra), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_BGRATOUVROW_NEON |
| |
| #ifdef HAS_ABGRTOUVROW_NEON |
| void ABGRToUVRow_NEON(const uint8* src_abgr, int src_stride_abgr, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| asm volatile ( |
| "add %1, %0, %1 \n" // src_stride + src_abgr |
| "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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 ABGR pixels. |
| MEMACCESS(0) |
| "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 ABGR pixels. |
| "vpaddl.u8 q2, q2 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q0, q0 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld4.8 {d8, d10, d12, d14}, [%1]! \n" // load 8 more ABGR pixels. |
| MEMACCESS(1) |
| "vld4.8 {d9, d11, d13, d15}, [%1]! \n" // load last 8 ABGR pixels. |
| "vpadal.u8 q2, q6 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q5 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q0, q4 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q0, q0, #1 \n" // 2x average |
| "vrshr.u16 q1, q1, #1 \n" |
| "vrshr.u16 q2, q2, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q2, q1, q0) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_abgr), // %0 |
| "+r"(src_stride_abgr), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_ABGRTOUVROW_NEON |
| |
| #ifdef HAS_RGBATOUVROW_NEON |
| void RGBAToUVRow_NEON(const uint8* src_rgba, int src_stride_rgba, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| asm volatile ( |
| "add %1, %0, %1 \n" // src_stride + src_rgba |
| "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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld4.8 {d0, d2, d4, d6}, [%0]! \n" // load 8 RGBA pixels. |
| MEMACCESS(0) |
| "vld4.8 {d1, d3, d5, d7}, [%0]! \n" // load next 8 RGBA pixels. |
| "vpaddl.u8 q0, q1 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q2 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q2, q3 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld4.8 {d8, d10, d12, d14}, [%1]! \n" // load 8 more RGBA pixels. |
| MEMACCESS(1) |
| "vld4.8 {d9, d11, d13, d15}, [%1]! \n" // load last 8 RGBA pixels. |
| "vpadal.u8 q0, q5 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q6 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q2, q7 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q0, q0, #1 \n" // 2x average |
| "vrshr.u16 q1, q1, #1 \n" |
| "vrshr.u16 q2, q2, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q0, q1, q2) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_rgba), // %0 |
| "+r"(src_stride_rgba), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_RGBATOUVROW_NEON |
| |
| #ifdef HAS_RGB24TOUVROW_NEON |
| void RGB24ToUVRow_NEON(const uint8* src_rgb24, int src_stride_rgb24, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| asm volatile ( |
| "add %1, %0, %1 \n" // src_stride + src_rgb24 |
| "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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld3.8 {d0, d2, d4}, [%0]! \n" // load 8 RGB24 pixels. |
| MEMACCESS(0) |
| "vld3.8 {d1, d3, d5}, [%0]! \n" // load next 8 RGB24 pixels. |
| "vpaddl.u8 q0, q0 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q2, q2 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld3.8 {d8, d10, d12}, [%1]! \n" // load 8 more RGB24 pixels. |
| MEMACCESS(1) |
| "vld3.8 {d9, d11, d13}, [%1]! \n" // load last 8 RGB24 pixels. |
| "vpadal.u8 q0, q4 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q5 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q2, q6 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q0, q0, #1 \n" // 2x average |
| "vrshr.u16 q1, q1, #1 \n" |
| "vrshr.u16 q2, q2, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q0, q1, q2) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_rgb24), // %0 |
| "+r"(src_stride_rgb24), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_RGB24TOUVROW_NEON |
| |
| #ifdef HAS_RAWTOUVROW_NEON |
| void RAWToUVRow_NEON(const uint8* src_raw, int src_stride_raw, |
| uint8* dst_u, uint8* dst_v, int pix) { |
| asm volatile ( |
| "add %1, %0, %1 \n" // src_stride + src_raw |
| "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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld3.8 {d0, d2, d4}, [%0]! \n" // load 8 RAW pixels. |
| MEMACCESS(0) |
| "vld3.8 {d1, d3, d5}, [%0]! \n" // load next 8 RAW pixels. |
| "vpaddl.u8 q2, q2 \n" // B 16 bytes -> 8 shorts. |
| "vpaddl.u8 q1, q1 \n" // G 16 bytes -> 8 shorts. |
| "vpaddl.u8 q0, q0 \n" // R 16 bytes -> 8 shorts. |
| MEMACCESS(1) |
| "vld3.8 {d8, d10, d12}, [%1]! \n" // load 8 more RAW pixels. |
| MEMACCESS(1) |
| "vld3.8 {d9, d11, d13}, [%1]! \n" // load last 8 RAW pixels. |
| "vpadal.u8 q2, q6 \n" // B 16 bytes -> 8 shorts. |
| "vpadal.u8 q1, q5 \n" // G 16 bytes -> 8 shorts. |
| "vpadal.u8 q0, q4 \n" // R 16 bytes -> 8 shorts. |
| |
| "vrshr.u16 q0, q0, #1 \n" // 2x average |
| "vrshr.u16 q1, q1, #1 \n" |
| "vrshr.u16 q2, q2, #1 \n" |
| |
| "subs %4, %4, #16 \n" // 32 processed per loop. |
| RGBTOUV(q2, q1, q0) |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_raw), // %0 |
| "+r"(src_stride_raw), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_RAWTOUVROW_NEON |
| |
| // 16x2 pixels -> 8x1. pix is number of argb pixels. e.g. 16. |
| #ifdef HAS_RGB565TOUVROW_NEON |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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. |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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. |
| |
| MEMACCESS(1) |
| "vld1.8 {q0}, [%1]! \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. |
| MEMACCESS(1) |
| "vld1.8 {q0}, [%1]! \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. |
| |
| "vrshr.u16 q4, q4, #1 \n" // 2x average |
| "vrshr.u16 q5, q5, #1 \n" |
| "vrshr.u16 q6, q6, #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 |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_rgb565), // %0 |
| "+r"(src_stride_rgb565), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_RGB565TOUVROW_NEON |
| |
| // 16x2 pixels -> 8x1. pix is number of argb pixels. e.g. 16. |
| #ifdef HAS_ARGB1555TOUVROW_NEON |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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. |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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. |
| |
| MEMACCESS(1) |
| "vld1.8 {q0}, [%1]! \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. |
| MEMACCESS(1) |
| "vld1.8 {q0}, [%1]! \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. |
| |
| "vrshr.u16 q4, q4, #1 \n" // 2x average |
| "vrshr.u16 q5, q5, #1 \n" |
| "vrshr.u16 q6, q6, #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 |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_argb1555), // %0 |
| "+r"(src_stride_argb1555), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_ARGB1555TOUVROW_NEON |
| |
| // 16x2 pixels -> 8x1. pix is number of argb pixels. e.g. 16. |
| #ifdef HAS_ARGB4444TOUVROW_NEON |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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. |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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. |
| |
| MEMACCESS(1) |
| "vld1.8 {q0}, [%1]! \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. |
| MEMACCESS(1) |
| "vld1.8 {q0}, [%1]! \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. |
| |
| "vrshr.u16 q4, q4, #1 \n" // 2x average |
| "vrshr.u16 q5, q5, #1 \n" |
| "vrshr.u16 q6, q6, #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 |
| MEMACCESS(2) |
| "vst1.8 {d0}, [%2]! \n" // store 8 pixels U. |
| MEMACCESS(3) |
| "vst1.8 {d1}, [%3]! \n" // store 8 pixels V. |
| "b.gt 1b \n" |
| : "+r"(src_argb4444), // %0 |
| "+r"(src_stride_argb4444), // %1 |
| "+r"(dst_u), // %2 |
| "+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" |
| ); |
| } |
| #endif // HAS_ARGB4444TOUVROW_NEON |
| |
| #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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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" |
| MEMACCESS(1) |
| "vst1.8 {d0}, [%1]! \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" |
| ); |
| } |
| #endif // HAS_RGB565TOYROW_NEON |
| |
| #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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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" |
| MEMACCESS(1) |
| "vst1.8 {d0}, [%1]! \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" |
| ); |
| } |
| #endif // HAS_ARGB1555TOYROW_NEON |
| |
| #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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "vld1.8 {q0}, [%0]! \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" |
| MEMACCESS(1) |
| "vst1.8 {d0}, [%1]! \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" |
| ); |
| } |
| #endif // HAS_ARGB4444TOYROW_NEON |
| |
| #ifdef HAS_BGRATOYROW_NEON |
| void BGRAToYRow_NEON(const uint8* src_bgra, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels of BGRA. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" |
| ); |
| } |
| #endif // HAS_BGRATOYROW_NEON |
| |
| #ifdef HAS_ABGRTOYROW_NEON |
| void ABGRToYRow_NEON(const uint8* src_abgr, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels of ABGR. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" |
| ); |
| } |
| #endif // HAS_ABGRTOYROW_NEON |
| |
| #ifdef HAS_RGBATOYROW_NEON |
| void RGBAToYRow_NEON(const uint8* src_rgba, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 pixels of RGBA. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" |
| ); |
| } |
| #endif // HAS_RGBATOYROW_NEON |
| |
| #ifdef HAS_RGB24TOYROW_NEON |
| void RGB24ToYRow_NEON(const uint8* src_rgb24, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // load 8 pixels of RGB24. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" |
| ); |
| } |
| #endif // HAS_RGB24TOYROW_NEON |
| |
| #ifdef HAS_RAWTOYROW_NEON |
| void RAWToYRow_NEON(const uint8* src_raw, uint8* dst_y, int pix) { |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld3 {v0.8b,v1.8b,v2.8b}, [%0], #24 \n" // load 8 pixels of RAW. |
| "subs %2, %2, #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"(pix) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v16" |
| ); |
| } |
| #endif // HAS_RAWTOYROW_NEON |
| |
| // Bilinear filter 16x2 -> 16x1 |
| #ifdef HAS_INTERPOLATEROW_NEON |
| void InterpolateRow_NEON(uint8* dst_ptr, |
| const uint8* 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 %4, #0 \n" |
| "b.eq 100f \n" |
| "cmp %4, #64 \n" |
| "b.eq 75f \n" |
| "cmp %4, #128 \n" |
| "b.eq 50f \n" |
| "cmp %4, #192 \n" |
| "b.eq 25f \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 %3, %3, #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 25 / 75. |
| "25: \n" |
| MEMACCESS(1) |
| "ld1 {v0.16b}, [%1], #16 \n" |
| MEMACCESS(2) |
| "ld1 {v1.16b}, [%2], #16 \n" |
| "subs %3, %3, #16 \n" |
| "urhadd v0.16b, v0.16b, v1.16b \n" |
| "urhadd v0.16b, v0.16b, v1.16b \n" |
| MEMACCESS(0) |
| "st1 {v0.16b}, [%0], #16 \n" |
| "b.gt 25b \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 %3, %3, #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 75 / 25. |
| "75: \n" |
| MEMACCESS(1) |
| "ld1 {v1.16b}, [%1], #16 \n" |
| MEMACCESS(2) |
| "ld1 {v0.16b}, [%2], #16 \n" |
| "subs %3, %3, #16 \n" |
| "urhadd v0.16b, v0.16b, v1.16b \n" |
| "urhadd v0.16b, v0.16b, v1.16b \n" |
| MEMACCESS(0) |
| "st1 {v0.16b}, [%0], #16 \n" |
| "b.gt 75b \n" |
| "b 99f \n" |
| |
| // Blend 100 / 0 - Copy row unchanged. |
| "100: \n" |
| MEMACCESS(1) |
| "ld1 {v0.16b}, [%1], #16 \n" |
| "subs %3, %3, #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" |
| ); |
| } |
| #endif // HAS_INTERPOLATEROW_NEON |
| |
| // dr * (256 - sa) / 256 + sr = dr - dr * sa / 256 + sr |
| #ifdef HAS_ARGBBLENDROW_NEON |
| void ARGBBlendRow_NEON(const uint8* src_argb0, const uint8* src_argb1, |
| uint8* dst_argb, int width) { |
| asm volatile ( |
| "subs %3, %3, #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 pixels of ARGB0. |
| MEMACCESS(1) |
| "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%1], #32 \n" // load 8 pixels of ARGB1. |
| "subs %3, %3, #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 pixels of ARGB. |
| "b.ge 8b \n" |
| |
| "89: \n" |
| "adds %3, %3, #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 %3, %3, #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" |
| ); |
| } |
| #endif // HAS_ARGBBLENDROW_NEON |
| |
| // Attenuate 8 pixels at a time. |
| #ifdef HAS_ARGBATTENUATEROW_NEON |
| 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 pixels of ARGB. |
| "subs %2, %2, #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 pixels of ARGB. |
| "b.gt 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(width) // %2 |
| : |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6" |
| ); |
| } |
| #endif // HAS_ARGBATTENUATEROW_NEON |
| |
| // Quantize 8 ARGB pixels (32 bytes). |
| // dst = (dst * scale >> 16) * interval_size + interval_offset; |
| #ifdef HAS_ARGBQUANTIZEROW_NEON |
| 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. |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0] \n" // load 8 pixels of ARGB. |
| "subs %1, %1, #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 pixels of 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" |
| ); |
| } |
| #endif // HAS_ARGBQUANTIZEROW_NEON |
| |
| // 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. |
| #ifdef HAS_ARGBSHADEROW_NEON |
| 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. |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v4.8b,v5.8b,v6.8b,v7.8b}, [%0], #32 \n" // load 8 pixels of ARGB. |
| "subs %2, %2, #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 pixels of 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" |
| ); |
| } |
| #endif // HAS_ARGBSHADEROW_NEON |
| |
| // 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; |
| #ifdef HAS_ARGBGRAYROW_NEON |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0], #32 \n" // load 8 ARGB pixels. |
| "subs %2, %2, #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 |
| "mov v1.8b, v0.8b \n" // G |
| "mov v2.8b, v0.8b \n" // R |
| 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", "v24", "v25", "v26" |
| ); |
| } |
| #endif // HAS_ARGBGRAYROW_NEON |
| |
| // Convert 8 ARGB pixels (32 bytes) to 8 Sepia ARGB pixels. |
| // b = (r * 35 + g * 68 + b * 17) >> 7 |
| // g = (r * 45 + g * 88 + b * 22) >> 7 |
| // r = (r * 50 + g * 98 + b * 24) >> 7 |
| |
| #ifdef HAS_ARGBSEPIAROW_NEON |
| 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 |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v0.8b,v1.8b,v2.8b,v3.8b}, [%0] \n" // load 8 ARGB pixels. |
| "subs %1, %1, #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 ARGB 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" |
| ); |
| } |
| #endif // HAS_ARGBSEPIAROW_NEON |
| |
| // 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. |
| #ifdef HAS_ARGBCOLORMATRIXROW_NEON |
| 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. |
| |
| ".p2align 2 \n" |
| "1: \n" |
| MEMACCESS(0) |
| "ld4 {v16.8b,v17.8b,v18.8b,v19.8b}, [%0], #32 \n" // load 8 ARGB pixels. |
| "subs %2, %2, #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 ARGB 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" |
| ); |
| } |
| #endif // HAS_ARGBCOLORMATRIXROW_NEON |
| |
| // TODO(fbarchard): fix vqshrun in ARGBMultiplyRow_NEON and reenable. |
| // Multiply 2 rows of ARGB pixels together, 8 pixels at a time. |
| #ifdef HAS_ARGBMULTIPLYROW_NEON |
| void ARGBMultiplyRow_NEON(const uint8* src_argb0, const uint8* src_argb1, |
| uint8* dst_argb, int width) { |
| asm volatile ( |
| // 8 pixel loop. |
| ".p2align 2 \n" |
| "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 ARGB pixels. |
| "subs %3, %3, #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" |
| ); |
| } |
| #endif // HAS_ARGBMULTIPLYROW_NEON |
| |
| // Add 2 rows of ARGB pixels together, 8 pixels at a time. |
| #ifdef HAS_ARGBADDROW_NEON |
| void ARGBAddRow_NEON(const uint8* src_argb0, const uint8* src_argb1, |
| uint8* dst_argb, int width) { |
| asm volatile ( |
| // 8 pixel loop. |
| ".p2align 2 \n" |
| "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 ARGB pixels. |
| "subs %3, %3, #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" |
| ); |
| } |
| #endif // HAS_ARGBADDROW_NEON |
| |
| // Subtract 2 rows of ARGB pixels, 8 pixels at a time. |
| #ifdef HAS_ARGBSUBTRACTROW_NEON |
| void ARGBSubtractRow_NEON(const uint8* src_argb0, const uint8* src_argb1, |
| uint8* dst_argb, int width) { |
| asm volatile ( |
| // 8 pixel loop. |
| ".p2align 2 \n" |
| "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 ARGB pixels. |
| "subs %3, %3, #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" |
| ); |
| } |
| #endif // HAS_ARGBSUBTRACTROW_NEON |
| |
| // Adds Sobel X and Sobel Y and stores Sobel into ARGB. |
| // A = 255 |
| // R = Sobel |
| // G = Sobel |
| // B = Sobel |
| #ifdef HAS_SOBELROW_NEON |
| 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. |
| ".p2align 2 \n" |
| "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 %3, %3, #8 \n" // 8 processed per loop. |
| "uqadd v0.8b, v0.8b, v1.8b \n" // add |
| "mov v1.8b, v0.8b \n" |
| "mov v2.8b, 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" |
| ); |
| } |
| #endif // HAS_SOBELROW_NEON |
| |
| // Adds Sobel X and Sobel Y and stores Sobel into plane. |
| #ifdef HAS_SOBELTOPLANEROW_NEON |
| void SobelToPlaneRow_NEON(const uint8* src_sobelx, const uint8* src_sobely, |
| uint8* dst_y, int width) { |
| asm volatile ( |
| // 16 pixel loop. |
| ".p2align 2 \n" |
| "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 %3, %3, #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" |
| ); |
| } |
| #endif // HAS_SOBELTOPLANEROW_NEON |
| |
| // Mixes Sobel X, Sobel Y and Sobel into ARGB. |
| // A = 255 |
| // R = Sobel X |
| // G = Sobel |
| // B = Sobel Y |
| #ifdef HAS_SOBELXYROW_NEON |
| 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. |
| ".p2align 2 \n" |
| "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 %3, %3, #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" |
| ); |
| } |
| #endif // HAS_SOBELXYROW_NEON |
| |
| // SobelX as a matrix is |
| // -1 0 1 |
| // -2 0 2 |
| // -1 0 1 |
| #ifdef HAS_SOBELXROW_NEON |
| void SobelXRow_NEON(const uint8* src_y0, const uint8* src_y1, |
| const uint8* src_y2, uint8* dst_sobelx, int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "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 %4, %4, #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"(2), // %5 |
| "r"(6) // %6 |
| : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List |
| ); |
| } |
| #endif // HAS_SOBELXROW_NEON |
| |
| // SobelY as a matrix is |
| // -1 -2 -1 |
| // 0 0 0 |
| // 1 2 1 |
| #ifdef HAS_SOBELYROW_NEON |
| void SobelYRow_NEON(const uint8* src_y0, const uint8* src_y1, |
| uint8* dst_sobely, int width) { |
| asm volatile ( |
| ".p2align 2 \n" |
| "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 %3, %3, #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"(1), // %4 |
| "r"(6) // %5 |
| : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List |
| ); |
| } |
| #endif // HAS_SOBELYROW_NEON |
| #endif // !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__) |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| } // namespace libyuv |
| #endif |