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https://chromium.googlesource.com/libyuv/libyuv
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[RVV] Use LMUL=2 for I4{44,22}To{ARGB,RGB24,RGBA} conversion
Replace vv+m1(LMUL=1) with vx+m2(LMUL=2). Some kernels' asm code might contain register spill(1~2). Change-Id: Ie3655f250d17f37c1ba9039474ece43ede98ede0 Signed-off-by: Bruce Lai <bruce.lai@sifive.com> Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4573159 Commit-Queue: Frank Barchard <fbarchard@chromium.org> Reviewed-by: Frank Barchard <fbarchard@chromium.org>
This commit is contained in:
Bruce Lai
libyuv LUCI CQ
parent
d14bd701c8
commit
4b6373d189
@ -29,78 +29,76 @@ extern "C" {
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// Fill YUV -> RGB conversion constants into vectors
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// NOTE: To match behavior on other platforms, vxrm (fixed-point rounding mode
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// register) is set to round-to-nearest-up mode(0).
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#define YUVTORGB_SETUP(yuvconst, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, \
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v_br) \
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#define YUVTORGB_SETUP(vl, yuvconst, ub, vr, ug, vg, yg, bb, bg, br) \
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{ \
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asm volatile("csrwi vxrm, 0"); \
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vl = __riscv_vsetvl_e8m1(w); \
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v_ub = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[0], vl); \
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v_vr = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[1], vl); \
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v_ug = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[2], vl); \
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v_vg = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[3], vl); \
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v_yg = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[0], vl); \
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v_bb = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[1] + 32, vl); \
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v_bg = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[2] - 32, vl); \
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v_br = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[3] + 32, vl); \
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ub = yuvconst->kUVCoeff[0]; \
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vr = yuvconst->kUVCoeff[1]; \
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ug = yuvconst->kUVCoeff[2]; \
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vg = yuvconst->kUVCoeff[3]; \
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yg = yuvconst->kRGBCoeffBias[0]; \
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bb = yuvconst->kRGBCoeffBias[1] + 32; \
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bg = yuvconst->kRGBCoeffBias[2] - 32; \
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br = yuvconst->kRGBCoeffBias[3] + 32; \
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}
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// Read [VLEN/8] Y, [VLEN/(8 * 2)] U and [VLEN/(8 * 2)] V from 422
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#define READYUV422(vl, v_u, v_v, v_y_16) \
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{ \
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vuint8mf2_t v_tmp0, v_tmp1; \
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vuint8m1_t v_y; \
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vuint16m1_t v_u_16, v_v_16; \
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vl = __riscv_vsetvl_e8mf2((w + 1) / 2); \
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v_tmp0 = __riscv_vle8_v_u8mf2(src_u, vl); \
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v_u_16 = __riscv_vwaddu_vx_u16m1(v_tmp0, 0, vl); \
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v_tmp1 = __riscv_vle8_v_u8mf2(src_v, vl); \
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v_v_16 = __riscv_vwaddu_vx_u16m1(v_tmp1, 0, vl); \
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v_v_16 = __riscv_vmul_vx_u16m1(v_v_16, 0x0101, vl); \
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v_u_16 = __riscv_vmul_vx_u16m1(v_u_16, 0x0101, vl); \
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v_v = __riscv_vreinterpret_v_u16m1_u8m1(v_v_16); \
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v_u = __riscv_vreinterpret_v_u16m1_u8m1(v_u_16); \
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vl = __riscv_vsetvl_e8m1(w); \
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v_y = __riscv_vle8_v_u8m1(src_y, vl); \
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v_y_16 = __riscv_vwaddu_vx_u16m2(v_y, 0, vl); \
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vuint8m1_t v_tmp0, v_tmp1; \
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vuint8m2_t v_y; \
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vuint16m2_t v_u_16, v_v_16; \
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vl = __riscv_vsetvl_e8m1((w + 1) / 2); \
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v_tmp0 = __riscv_vle8_v_u8m1(src_u, vl); \
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v_u_16 = __riscv_vwaddu_vx_u16m2(v_tmp0, 0, vl); \
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v_tmp1 = __riscv_vle8_v_u8m1(src_v, vl); \
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v_v_16 = __riscv_vwaddu_vx_u16m2(v_tmp1, 0, vl); \
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v_v_16 = __riscv_vmul_vx_u16m2(v_v_16, 0x0101, vl); \
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v_u_16 = __riscv_vmul_vx_u16m2(v_u_16, 0x0101, vl); \
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v_v = __riscv_vreinterpret_v_u16m2_u8m2(v_v_16); \
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v_u = __riscv_vreinterpret_v_u16m2_u8m2(v_u_16); \
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vl = __riscv_vsetvl_e8m2(w); \
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v_y = __riscv_vle8_v_u8m2(src_y, vl); \
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v_y_16 = __riscv_vwaddu_vx_u16m4(v_y, 0, vl); \
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}
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// Read [VLEN/8] Y, [VLEN/8] U, and [VLEN/8] V from 444
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#define READYUV444(vl, v_u, v_v, v_y_16) \
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{ \
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vuint8m1_t v_y; \
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vl = __riscv_vsetvl_e8m1(w); \
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v_y = __riscv_vle8_v_u8m1(src_y, vl); \
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v_u = __riscv_vle8_v_u8m1(src_u, vl); \
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v_v = __riscv_vle8_v_u8m1(src_v, vl); \
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v_y_16 = __riscv_vwaddu_vx_u16m2(v_y, 0, vl); \
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vuint8m2_t v_y; \
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vl = __riscv_vsetvl_e8m2(w); \
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v_y = __riscv_vle8_v_u8m2(src_y, vl); \
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v_u = __riscv_vle8_v_u8m2(src_u, vl); \
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v_v = __riscv_vle8_v_u8m2(src_v, vl); \
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v_y_16 = __riscv_vwaddu_vx_u16m4(v_y, 0, vl); \
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}
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// Convert from YUV to fixed point RGB
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#define YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br, \
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v_y_16, v_g_16, v_b_16, v_r_16) \
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#define YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16, \
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v_b_16, v_r_16) \
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{ \
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vuint16m2_t v_tmp0, v_tmp1, v_tmp2, v_tmp3, v_tmp4; \
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vuint32m4_t v_tmp5; \
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v_tmp0 = __riscv_vwmulu_vv_u16m2(v_u, v_ug, vl); \
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v_y_16 = __riscv_vmul_vx_u16m2(v_y_16, 0x0101, vl); \
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v_tmp0 = __riscv_vwmaccu_vv_u16m2(v_tmp0, v_vg, v_v, vl); \
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v_tmp1 = __riscv_vwmulu_vv_u16m2(v_u, v_ub, vl); \
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v_tmp5 = __riscv_vwmulu_vv_u32m4(v_y_16, v_yg, vl); \
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v_tmp2 = __riscv_vnsrl_wx_u16m2(v_tmp5, 16, vl); \
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v_tmp3 = __riscv_vadd_vv_u16m2(v_tmp2, v_bg, vl); \
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v_tmp4 = __riscv_vadd_vv_u16m2(v_tmp2, v_tmp1, vl); \
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v_tmp2 = __riscv_vwmaccu_vv_u16m2(v_tmp2, v_vr, v_v, vl); \
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v_g_16 = __riscv_vssubu_vv_u16m2(v_tmp3, v_tmp0, vl); \
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v_b_16 = __riscv_vssubu_vv_u16m2(v_tmp4, v_bb, vl); \
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v_r_16 = __riscv_vssubu_vv_u16m2(v_tmp2, v_br, vl); \
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vuint16m4_t v_tmp0, v_tmp1, v_tmp2, v_tmp3, v_tmp4; \
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vuint32m8_t v_tmp5; \
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v_tmp0 = __riscv_vwmulu_vx_u16m4(v_u, ug, vl); \
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v_y_16 = __riscv_vmul_vx_u16m4(v_y_16, 0x0101, vl); \
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v_tmp0 = __riscv_vwmaccu_vx_u16m4(v_tmp0, vg, v_v, vl); \
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v_tmp1 = __riscv_vwmulu_vx_u16m4(v_u, ub, vl); \
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v_tmp5 = __riscv_vwmulu_vx_u32m8(v_y_16, yg, vl); \
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v_tmp2 = __riscv_vnsrl_wx_u16m4(v_tmp5, 16, vl); \
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v_tmp3 = __riscv_vadd_vx_u16m4(v_tmp2, bg, vl); \
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v_tmp4 = __riscv_vadd_vv_u16m4(v_tmp2, v_tmp1, vl); \
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v_tmp2 = __riscv_vwmaccu_vx_u16m4(v_tmp2, vr, v_v, vl); \
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v_g_16 = __riscv_vssubu_vv_u16m4(v_tmp3, v_tmp0, vl); \
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v_b_16 = __riscv_vssubu_vx_u16m4(v_tmp4, bb, vl); \
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v_r_16 = __riscv_vssubu_vx_u16m4(v_tmp2, br, vl); \
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}
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// Convert from fixed point RGB To 8 bit RGB
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#define RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r) \
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{ \
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v_g = __riscv_vnclipu_wx_u8m1(v_g_16, 6, vl); \
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v_b = __riscv_vnclipu_wx_u8m1(v_b_16, 6, vl); \
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v_r = __riscv_vnclipu_wx_u8m1(v_r_16, 6, vl); \
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v_g = __riscv_vnclipu_wx_u8m2(v_g_16, 6, vl); \
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v_b = __riscv_vnclipu_wx_u8m2(v_b_16, 6, vl); \
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v_r = __riscv_vnclipu_wx_u8m2(v_r_16, 6, vl); \
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}
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void ARGBToAR64Row_RVV(const uint8_t* src_argb, uint16_t* dst_ar64, int width) {
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@ -270,20 +268,19 @@ void I444ToARGBRow_RVV(const uint8_t* src_y,
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int width) {
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size_t vl;
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size_t w = (size_t)width;
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vuint8m1_t v_u, v_v;
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vuint8m1_t v_ub, v_vr, v_ug, v_vg;
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vuint8m1_t v_b, v_g, v_r, v_a;
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vuint16m2_t v_yg, v_bb, v_bg, v_br;
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vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
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v_br);
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v_a = __riscv_vmv_v_x_u8m1(255u, vl);
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uint8_t ub, vr, ug, vg;
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int16_t yg, bb, bg, br;
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vuint8m2_t v_u, v_v;
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vuint8m2_t v_b, v_g, v_r, v_a;
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vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
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v_a = __riscv_vmv_v_x_u8m2(255u, vl);
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do {
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READYUV444(vl, v_u, v_v, v_y_16);
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YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
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v_y_16, v_g_16, v_b_16, v_r_16);
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YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
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v_b_16, v_r_16);
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RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
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__riscv_vsseg4e8_v_u8m1(dst_argb, v_b, v_g, v_r, v_a, vl);
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__riscv_vsseg4e8_v_u8m2(dst_argb, v_b, v_g, v_r, v_a, vl);
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w -= vl;
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src_y += vl;
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src_u += vl;
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@ -301,20 +298,19 @@ void I444AlphaToARGBRow_RVV(const uint8_t* src_y,
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int width) {
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size_t vl;
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size_t w = (size_t)width;
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vuint8m1_t v_u, v_v;
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vuint8m1_t v_ub, v_vr, v_ug, v_vg;
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vuint8m1_t v_b, v_g, v_r, v_a;
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vuint16m2_t v_yg, v_bb, v_bg, v_br;
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vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
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v_br);
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uint8_t ub, vr, ug, vg;
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int16_t yg, bb, bg, br;
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vuint8m2_t v_u, v_v;
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vuint8m2_t v_b, v_g, v_r, v_a;
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vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
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do {
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READYUV444(vl, v_u, v_v, v_y_16);
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v_a = __riscv_vle8_v_u8m1(src_a, vl);
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YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
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v_y_16, v_g_16, v_b_16, v_r_16);
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v_a = __riscv_vle8_v_u8m2(src_a, vl);
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YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
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v_b_16, v_r_16);
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RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
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__riscv_vsseg4e8_v_u8m1(dst_argb, v_b, v_g, v_r, v_a, vl);
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__riscv_vsseg4e8_v_u8m2(dst_argb, v_b, v_g, v_r, v_a, vl);
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w -= vl;
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src_y += vl;
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src_a += vl;
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@ -332,19 +328,18 @@ void I444ToRGB24Row_RVV(const uint8_t* src_y,
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int width) {
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size_t vl;
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size_t w = (size_t)width;
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vuint8m1_t v_u, v_v;
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vuint8m1_t v_ub, v_vr, v_ug, v_vg;
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vuint8m1_t v_b, v_g, v_r;
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vuint16m2_t v_yg, v_bb, v_bg, v_br;
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vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
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v_br);
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uint8_t ub, vr, ug, vg;
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int16_t yg, bb, bg, br;
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vuint8m2_t v_u, v_v;
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vuint8m2_t v_b, v_g, v_r;
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vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
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do {
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READYUV444(vl, v_u, v_v, v_y_16);
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YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
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v_y_16, v_g_16, v_b_16, v_r_16);
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YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
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v_b_16, v_r_16);
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RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
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__riscv_vsseg3e8_v_u8m1(dst_rgb24, v_b, v_g, v_r, vl);
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__riscv_vsseg3e8_v_u8m2(dst_rgb24, v_b, v_g, v_r, vl);
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w -= vl;
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src_y += vl;
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src_u += vl;
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@ -361,20 +356,19 @@ void I422ToARGBRow_RVV(const uint8_t* src_y,
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int width) {
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size_t vl;
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size_t w = (size_t)width;
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vuint8m1_t v_u, v_v;
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vuint8m1_t v_ub, v_vr, v_ug, v_vg;
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vuint8m1_t v_b, v_g, v_r, v_a;
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vuint16m2_t v_yg, v_bb, v_bg, v_br;
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vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
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v_br);
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v_a = __riscv_vmv_v_x_u8m1(255u, vl);
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uint8_t ub, vr, ug, vg;
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int16_t yg, bb, bg, br;
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vuint8m2_t v_u, v_v;
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vuint8m2_t v_b, v_g, v_r, v_a;
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vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
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YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
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v_a = __riscv_vmv_v_x_u8m2(255u, vl);
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do {
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READYUV422(vl, v_u, v_v, v_y_16);
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YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
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v_y_16, v_g_16, v_b_16, v_r_16);
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YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
|
||||
v_b_16, v_r_16);
|
||||
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
|
||||
__riscv_vsseg4e8_v_u8m1(dst_argb, v_b, v_g, v_r, v_a, vl);
|
||||
__riscv_vsseg4e8_v_u8m2(dst_argb, v_b, v_g, v_r, v_a, vl);
|
||||
w -= vl;
|
||||
src_y += vl;
|
||||
src_u += vl / 2;
|
||||
@ -392,20 +386,19 @@ void I422AlphaToARGBRow_RVV(const uint8_t* src_y,
|
||||
int width) {
|
||||
size_t vl;
|
||||
size_t w = (size_t)width;
|
||||
vuint8m1_t v_u, v_v;
|
||||
vuint8m1_t v_ub, v_vr, v_ug, v_vg;
|
||||
vuint8m1_t v_b, v_g, v_r, v_a;
|
||||
vuint16m2_t v_yg, v_bb, v_bg, v_br;
|
||||
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
|
||||
YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
|
||||
v_br);
|
||||
uint8_t ub, vr, ug, vg;
|
||||
int16_t yg, bb, bg, br;
|
||||
vuint8m2_t v_u, v_v;
|
||||
vuint8m2_t v_b, v_g, v_r, v_a;
|
||||
vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
|
||||
YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
|
||||
do {
|
||||
READYUV422(vl, v_u, v_v, v_y_16);
|
||||
v_a = __riscv_vle8_v_u8m1(src_a, vl);
|
||||
YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
|
||||
v_y_16, v_g_16, v_b_16, v_r_16);
|
||||
v_a = __riscv_vle8_v_u8m2(src_a, vl);
|
||||
YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
|
||||
v_b_16, v_r_16);
|
||||
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
|
||||
__riscv_vsseg4e8_v_u8m1(dst_argb, v_b, v_g, v_r, v_a, vl);
|
||||
__riscv_vsseg4e8_v_u8m2(dst_argb, v_b, v_g, v_r, v_a, vl);
|
||||
w -= vl;
|
||||
src_y += vl;
|
||||
src_a += vl;
|
||||
@ -423,20 +416,19 @@ void I422ToRGBARow_RVV(const uint8_t* src_y,
|
||||
int width) {
|
||||
size_t vl;
|
||||
size_t w = (size_t)width;
|
||||
vuint8m1_t v_u, v_v;
|
||||
vuint8m1_t v_ub, v_vr, v_ug, v_vg;
|
||||
vuint8m1_t v_b, v_g, v_r, v_a;
|
||||
vuint16m2_t v_yg, v_bb, v_bg, v_br;
|
||||
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
|
||||
YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
|
||||
v_br);
|
||||
v_a = __riscv_vmv_v_x_u8m1(255u, vl);
|
||||
uint8_t ub, vr, ug, vg;
|
||||
int16_t yg, bb, bg, br;
|
||||
vuint8m2_t v_u, v_v;
|
||||
vuint8m2_t v_b, v_g, v_r, v_a;
|
||||
vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
|
||||
YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
|
||||
v_a = __riscv_vmv_v_x_u8m2(255u, vl);
|
||||
do {
|
||||
READYUV422(vl, v_u, v_v, v_y_16);
|
||||
YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
|
||||
v_y_16, v_g_16, v_b_16, v_r_16);
|
||||
YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
|
||||
v_b_16, v_r_16);
|
||||
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
|
||||
__riscv_vsseg4e8_v_u8m1(dst_rgba, v_a, v_b, v_g, v_r, vl);
|
||||
__riscv_vsseg4e8_v_u8m2(dst_rgba, v_a, v_b, v_g, v_r, vl);
|
||||
w -= vl;
|
||||
src_y += vl;
|
||||
src_u += vl / 2;
|
||||
@ -453,19 +445,18 @@ void I422ToRGB24Row_RVV(const uint8_t* src_y,
|
||||
int width) {
|
||||
size_t vl;
|
||||
size_t w = (size_t)width;
|
||||
vuint8m1_t v_u, v_v;
|
||||
vuint8m1_t v_ub, v_vr, v_ug, v_vg;
|
||||
vuint8m1_t v_b, v_g, v_r;
|
||||
vuint16m2_t v_yg, v_bb, v_bg, v_br;
|
||||
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16;
|
||||
YUVTORGB_SETUP(yuvconstants, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg,
|
||||
v_br);
|
||||
uint8_t ub, vr, ug, vg;
|
||||
int16_t yg, bb, bg, br;
|
||||
vuint8m2_t v_u, v_v;
|
||||
vuint8m2_t v_b, v_g, v_r;
|
||||
vuint16m4_t v_y_16, v_g_16, v_b_16, v_r_16;
|
||||
YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
|
||||
do {
|
||||
READYUV422(vl, v_u, v_v, v_y_16);
|
||||
YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br,
|
||||
v_y_16, v_g_16, v_b_16, v_r_16);
|
||||
YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
|
||||
v_b_16, v_r_16);
|
||||
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r);
|
||||
__riscv_vsseg3e8_v_u8m1(dst_rgb24, v_b, v_g, v_r, vl);
|
||||
__riscv_vsseg3e8_v_u8m2(dst_rgb24, v_b, v_g, v_r, vl);
|
||||
w -= vl;
|
||||
src_y += vl;
|
||||
src_u += vl / 2;
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user