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4d90a76986
Test on Apple M1 with kperf: : -O3 : -O3 -fno-vectorize abgr_to_uv_8_c : 19.4 : 26.1 abgr_to_uv_8_neon : 29.9 : 51.1 abgr_to_uv_128_c : 146.4 : 558.9 abgr_to_uv_128_neon : 85.1 : 83.4 abgr_to_uv_1080_c : 1162.6 : 4786.4 abgr_to_uv_1080_neon : 819.6 : 826.6 abgr_to_uv_1920_c : 2063.6 : 8492.1 abgr_to_uv_1920_neon : 1435.1 : 1447.1 abgr_to_uv_half_8_c : 16.4 : 11.4 abgr_to_uv_half_8_neon : 35.6 : 20.4 abgr_to_uv_half_128_c : 108.6 : 359.4 abgr_to_uv_half_128_neon : 75.4 : 42.6 abgr_to_uv_half_1080_c : 883.4 : 2885.6 abgr_to_uv_half_1080_neon : 460.6 : 481.1 abgr_to_uv_half_1920_c : 1553.6 : 5106.9 abgr_to_uv_half_1920_neon : 817.6 : 820.4 abgr_to_y_8_c : 6.1 : 26.4 abgr_to_y_8_neon : 40.6 : 6.4 abgr_to_y_128_c : 99.9 : 390.1 abgr_to_y_128_neon : 67.4 : 55.9 abgr_to_y_1080_c : 735.9 : 3170.4 abgr_to_y_1080_neon : 534.6 : 536.6 abgr_to_y_1920_c : 1279.4 : 6016.4 abgr_to_y_1920_neon : 932.6 : 927.6 Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
316 lines
12 KiB
ArmAsm
316 lines
12 KiB
ArmAsm
/*
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* Copyright (c) 2024 Zhao Zhili <quinkblack@foxmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/aarch64/asm.S"
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.macro rgb_to_yuv_load_rgb src, element=3
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.if \element == 3
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ld3 { v16.16b, v17.16b, v18.16b }, [\src]
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.else
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ld4 { v16.16b, v17.16b, v18.16b, v19.16b }, [\src]
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.endif
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uxtl v19.8h, v16.8b // v19: r
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uxtl v20.8h, v17.8b // v20: g
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uxtl v21.8h, v18.8b // v21: b
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uxtl2 v22.8h, v16.16b // v22: r
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uxtl2 v23.8h, v17.16b // v23: g
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uxtl2 v24.8h, v18.16b // v24: b
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.endm
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.macro argb_to_yuv_load_rgb src
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ld4 { v16.16b, v17.16b, v18.16b, v19.16b }, [\src]
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uxtl v21.8h, v19.8b // v21: b
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uxtl2 v24.8h, v19.16b // v24: b
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uxtl v19.8h, v17.8b // v19: r
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uxtl v20.8h, v18.8b // v20: g
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uxtl2 v22.8h, v17.16b // v22: r
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uxtl2 v23.8h, v18.16b // v23: g
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.endm
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.macro rgb_to_yuv_product r, g, b, dst1, dst2, dst, coef0, coef1, coef2, right_shift
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mov \dst1\().16b, v6.16b // dst1 = const_offset
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mov \dst2\().16b, v6.16b // dst2 = const_offset
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smlal \dst1\().4s, \coef0\().4h, \r\().4h // dst1 += rx * r
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smlal \dst1\().4s, \coef1\().4h, \g\().4h // dst1 += gx * g
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smlal \dst1\().4s, \coef2\().4h, \b\().4h // dst1 += bx * b
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smlal2 \dst2\().4s, \coef0\().8h, \r\().8h // dst2 += rx * r
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smlal2 \dst2\().4s, \coef1\().8h, \g\().8h // dst2 += gx * g
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smlal2 \dst2\().4s, \coef2\().8h, \b\().8h // dst2 += bx * b
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sqshrn \dst\().4h, \dst1\().4s, \right_shift // dst_lower_half = dst1 >> right_shift
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sqshrn2 \dst\().8h, \dst2\().4s, \right_shift // dst_higher_half = dst2 >> right_shift
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.endm
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.macro rgbToY_neon fmt_bgr, fmt_rgb, element, alpha_first=0
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function ff_\fmt_bgr\()ToY_neon, export=1
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cmp w4, #0 // check width > 0
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ldp w12, w11, [x5] // w12: ry, w11: gy
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ldr w10, [x5, #8] // w10: by
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b.gt 4f
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ret
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endfunc
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function ff_\fmt_rgb\()ToY_neon, export=1
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cmp w4, #0 // check width > 0
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ldp w10, w11, [x5] // w10: ry, w11: gy
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ldr w12, [x5, #8] // w12: by
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b.le 3f
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4:
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mov w9, #256 // w9 = 1 << (RGB2YUV_SHIFT - 7)
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movk w9, #8, lsl #16 // w9 += 32 << (RGB2YUV_SHIFT - 1)
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dup v6.4s, w9 // w9: const_offset
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cmp w4, #16
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dup v0.8h, w10
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dup v1.8h, w11
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dup v2.8h, w12
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b.lt 2f
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1:
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.if \alpha_first
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argb_to_yuv_load_rgb x1
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.else
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rgb_to_yuv_load_rgb x1, \element
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.endif
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rgb_to_yuv_product v19, v20, v21, v25, v26, v16, v0, v1, v2, #9
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rgb_to_yuv_product v22, v23, v24, v27, v28, v17, v0, v1, v2, #9
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sub w4, w4, #16 // width -= 16
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add x1, x1, #(16*\element)
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cmp w4, #16 // width >= 16 ?
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stp q16, q17, [x0], #32 // store to dst
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b.ge 1b
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cbz x4, 3f
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2:
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.if \alpha_first
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ldrb w13, [x1, #1] // w13: r
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ldrb w14, [x1, #2] // w14: g
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ldrb w15, [x1, #3] // w15: b
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.else
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ldrb w13, [x1] // w13: r
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ldrb w14, [x1, #1] // w14: g
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ldrb w15, [x1, #2] // w15: b
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.endif
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smaddl x13, w13, w10, x9 // x13 = ry * r + const_offset
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smaddl x13, w14, w11, x13 // x13 += gy * g
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smaddl x13, w15, w12, x13 // x13 += by * b
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asr w13, w13, #9 // x13 >>= 9
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sub w4, w4, #1 // width--
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add x1, x1, #\element
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strh w13, [x0], #2 // store to dst
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cbnz w4, 2b
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3:
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ret
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endfunc
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.endm
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rgbToY_neon bgr24, rgb24, element=3
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rgbToY_neon bgra32, rgba32, element=4
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rgbToY_neon abgr32, argb32, element=4, alpha_first=1
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.macro rgb_set_uv_coeff half
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.if \half
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mov w9, #512
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movk w9, #128, lsl #16 // w9: const_offset
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.else
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mov w9, #256
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movk w9, #64, lsl #16 // w9: const_offset
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.endif
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dup v0.8h, w10
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dup v1.8h, w11
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dup v2.8h, w12
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dup v3.8h, w13
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dup v4.8h, w14
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dup v5.8h, w15
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dup v6.4s, w9
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.endm
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.macro rgb_load_add_half off_r1, off_r2, off_g1, off_g2, off_b1, off_b2
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ldrb w2, [x3, #\off_r1] // w2: r1
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ldrb w4, [x3, #\off_r2] // w4: r2
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add w2, w2, w4 // w2 = r1 + r2
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ldrb w4, [x3, #\off_g1] // w4: g1
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ldrb w7, [x3, #\off_g2] // w7: g2
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add w4, w4, w7 // w4 = g1 + g2
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ldrb w7, [x3, #\off_b1] // w7: b1
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ldrb w8, [x3, #\off_b2] // w8: b2
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add w7, w7, w8 // w7 = b1 + b2
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.endm
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.macro rgbToUV_half_neon fmt_bgr, fmt_rgb, element, alpha_first=0
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function ff_\fmt_bgr\()ToUV_half_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w12, w11, [x6, #12]
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ldp w10, w15, [x6, #20]
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ldp w14, w13, [x6, #28]
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b 4f
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endfunc
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function ff_\fmt_rgb\()ToUV_half_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w10, w11, [x6, #12] // w10: ru, w11: gu
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ldp w12, w13, [x6, #20] // w12: bu, w13: rv
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ldp w14, w15, [x6, #28] // w14: gv, w15: bv
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4:
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cmp w5, #8
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rgb_set_uv_coeff half=1
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b.lt 2f
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1:
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.if \element == 3
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ld3 { v16.16b, v17.16b, v18.16b }, [x3]
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.else
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ld4 { v16.16b, v17.16b, v18.16b, v19.16b }, [x3]
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.endif
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.if \alpha_first
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uaddlp v21.8h, v19.16b
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uaddlp v20.8h, v18.16b
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uaddlp v19.8h, v17.16b
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.else
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uaddlp v19.8h, v16.16b // v19: r
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uaddlp v20.8h, v17.16b // v20: g
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uaddlp v21.8h, v18.16b // v21: b
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.endif
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rgb_to_yuv_product v19, v20, v21, v22, v23, v16, v0, v1, v2, #10
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rgb_to_yuv_product v19, v20, v21, v24, v25, v17, v3, v4, v5, #10
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sub w5, w5, #8 // width -= 8
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add x3, x3, #(16*\element)
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cmp w5, #8 // width >= 8 ?
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str q16, [x0], #16 // store dst_u
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str q17, [x1], #16 // store dst_v
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b.ge 1b
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cbz w5, 3f
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2:
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.if \alpha_first
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rgb_load_add_half 1, 5, 2, 6, 3, 7
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.else
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.if \element == 3
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rgb_load_add_half 0, 3, 1, 4, 2, 5
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.else
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rgb_load_add_half 0, 4, 1, 5, 2, 6
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.endif
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.endif
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smaddl x8, w2, w10, x9 // dst_u = ru * r + const_offset
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smaddl x8, w4, w11, x8 // dst_u += gu * g
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smaddl x8, w7, w12, x8 // dst_u += bu * b
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asr x8, x8, #10 // dst_u >>= 10
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strh w8, [x0], #2 // store dst_u
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smaddl x8, w2, w13, x9 // dst_v = rv * r + const_offset
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smaddl x8, w4, w14, x8 // dst_v += gv * g
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smaddl x8, w7, w15, x8 // dst_v += bv * b
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asr x8, x8, #10 // dst_v >>= 10
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sub w5, w5, #1
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add x3, x3, #(2*\element)
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strh w8, [x1], #2 // store dst_v
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cbnz w5, 2b
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3:
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ret
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endfunc
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.endm
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rgbToUV_half_neon bgr24, rgb24, element=3
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rgbToUV_half_neon bgra32, rgba32, element=4
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rgbToUV_half_neon abgr32, argb32, element=4, alpha_first=1
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.macro rgbToUV_neon fmt_bgr, fmt_rgb, element, alpha_first=0
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function ff_\fmt_bgr\()ToUV_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w12, w11, [x6, #12]
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ldp w10, w15, [x6, #20]
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ldp w14, w13, [x6, #28]
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b 4f
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endfunc
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function ff_\fmt_rgb\()ToUV_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w10, w11, [x6, #12] // w10: ru, w11: gu
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ldp w12, w13, [x6, #20] // w12: bu, w13: rv
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ldp w14, w15, [x6, #28] // w14: gv, w15: bv
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4:
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cmp w5, #16
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rgb_set_uv_coeff half=0
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b.lt 2f
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1:
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.if \alpha_first
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argb_to_yuv_load_rgb x3
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.else
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rgb_to_yuv_load_rgb x3, \element
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.endif
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rgb_to_yuv_product v19, v20, v21, v25, v26, v16, v0, v1, v2, #9
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rgb_to_yuv_product v22, v23, v24, v27, v28, v17, v0, v1, v2, #9
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rgb_to_yuv_product v19, v20, v21, v25, v26, v18, v3, v4, v5, #9
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rgb_to_yuv_product v22, v23, v24, v27, v28, v19, v3, v4, v5, #9
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sub w5, w5, #16
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add x3, x3, #(16*\element)
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cmp w5, #16
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stp q16, q17, [x0], #32 // store to dst_u
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stp q18, q19, [x1], #32 // store to dst_v
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b.ge 1b
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cbz w5, 3f
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2:
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.if \alpha_first
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ldrb w16, [x3, #1] // w16: r
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ldrb w17, [x3, #2] // w17: g
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ldrb w4, [x3, #3] // w4: b
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.else
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ldrb w16, [x3] // w16: r
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ldrb w17, [x3, #1] // w17: g
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ldrb w4, [x3, #2] // w4: b
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.endif
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smaddl x8, w16, w10, x9 // x8 = ru * r + const_offset
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smaddl x8, w17, w11, x8 // x8 += gu * g
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smaddl x8, w4, w12, x8 // x8 += bu * b
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asr w8, w8, #9 // x8 >>= 9
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strh w8, [x0], #2 // store to dst_u
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smaddl x8, w16, w13, x9 // x8 = rv * r + const_offset
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smaddl x8, w17, w14, x8 // x8 += gv * g
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smaddl x8, w4, w15, x8 // x8 += bv * b
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asr w8, w8, #9 // x8 >>= 9
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sub w5, w5, #1 // width--
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add x3, x3, #\element
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strh w8, [x1], #2 // store to dst_v
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cbnz w5, 2b
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3:
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ret
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endfunc
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.endm
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rgbToUV_neon bgr24, rgb24, element=3
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rgbToUV_neon bgra32, rgba32, element=4
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rgbToUV_neon abgr32, argb32, element=4, alpha_first=1
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