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[RVV] Use LMUL=2 for I4{44,22}To{ARGB,RGB24,RGBA} conversion

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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 2023-05-29 06:43:38 -07:00 committed by libyuv LUCI CQ
parent d14bd701c8
commit 4b6373d189
1 changed files with 119 additions and 128 deletions
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247
source/row_rvv.cc
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@ -29,78 +29,76 @@ extern "C" {
// Fill YUV -> RGB conversion constants into vectors // Fill YUV -> RGB conversion constants into vectors
// NOTE: To match behavior on other platforms, vxrm (fixed-point rounding mode // NOTE: To match behavior on other platforms, vxrm (fixed-point rounding mode
// register) is set to round-to-nearest-up mode(0). // register) is set to round-to-nearest-up mode(0).
#define YUVTORGB_SETUP(yuvconst, vl, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, \ #define YUVTORGB_SETUP(vl, yuvconst, ub, vr, ug, vg, yg, bb, bg, br) \
v_br) \ { \
{ \ asm volatile("csrwi vxrm, 0"); \
asm volatile("csrwi vxrm, 0"); \ ub = yuvconst->kUVCoeff[0]; \
vl = __riscv_vsetvl_e8m1(w); \ vr = yuvconst->kUVCoeff[1]; \
v_ub = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[0], vl); \ ug = yuvconst->kUVCoeff[2]; \
v_vr = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[1], vl); \ vg = yuvconst->kUVCoeff[3]; \
v_ug = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[2], vl); \ yg = yuvconst->kRGBCoeffBias[0]; \
v_vg = __riscv_vmv_v_x_u8m1(yuvconst->kUVCoeff[3], vl); \ bb = yuvconst->kRGBCoeffBias[1] + 32; \
v_yg = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[0], vl); \ bg = yuvconst->kRGBCoeffBias[2] - 32; \
v_bb = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[1] + 32, vl); \ br = yuvconst->kRGBCoeffBias[3] + 32; \
v_bg = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[2] - 32, vl); \
v_br = __riscv_vmv_v_x_u16m2(yuvconst->kRGBCoeffBias[3] + 32, vl); \
} }
// Read [VLEN/8] Y, [VLEN/(8 * 2)] U and [VLEN/(8 * 2)] V from 422 // Read [VLEN/8] Y, [VLEN/(8 * 2)] U and [VLEN/(8 * 2)] V from 422
#define READYUV422(vl, v_u, v_v, v_y_16) \ #define READYUV422(vl, v_u, v_v, v_y_16) \
{ \ { \
vuint8mf2_t v_tmp0, v_tmp1; \ vuint8m1_t v_tmp0, v_tmp1; \
vuint8m1_t v_y; \ vuint8m2_t v_y; \
vuint16m1_t v_u_16, v_v_16; \ vuint16m2_t v_u_16, v_v_16; \
vl = __riscv_vsetvl_e8mf2((w + 1) / 2); \ vl = __riscv_vsetvl_e8m1((w + 1) / 2); \
v_tmp0 = __riscv_vle8_v_u8mf2(src_u, vl); \ v_tmp0 = __riscv_vle8_v_u8m1(src_u, vl); \
v_u_16 = __riscv_vwaddu_vx_u16m1(v_tmp0, 0, vl); \ v_u_16 = __riscv_vwaddu_vx_u16m2(v_tmp0, 0, vl); \
v_tmp1 = __riscv_vle8_v_u8mf2(src_v, vl); \ v_tmp1 = __riscv_vle8_v_u8m1(src_v, vl); \
v_v_16 = __riscv_vwaddu_vx_u16m1(v_tmp1, 0, vl); \ v_v_16 = __riscv_vwaddu_vx_u16m2(v_tmp1, 0, vl); \
v_v_16 = __riscv_vmul_vx_u16m1(v_v_16, 0x0101, vl); \ v_v_16 = __riscv_vmul_vx_u16m2(v_v_16, 0x0101, vl); \
v_u_16 = __riscv_vmul_vx_u16m1(v_u_16, 0x0101, vl); \ v_u_16 = __riscv_vmul_vx_u16m2(v_u_16, 0x0101, vl); \
v_v = __riscv_vreinterpret_v_u16m1_u8m1(v_v_16); \ v_v = __riscv_vreinterpret_v_u16m2_u8m2(v_v_16); \
v_u = __riscv_vreinterpret_v_u16m1_u8m1(v_u_16); \ v_u = __riscv_vreinterpret_v_u16m2_u8m2(v_u_16); \
vl = __riscv_vsetvl_e8m1(w); \ vl = __riscv_vsetvl_e8m2(w); \
v_y = __riscv_vle8_v_u8m1(src_y, vl); \ v_y = __riscv_vle8_v_u8m2(src_y, vl); \
v_y_16 = __riscv_vwaddu_vx_u16m2(v_y, 0, vl); \ v_y_16 = __riscv_vwaddu_vx_u16m4(v_y, 0, vl); \
} }
// Read [VLEN/8] Y, [VLEN/8] U, and [VLEN/8] V from 444 // Read [VLEN/8] Y, [VLEN/8] U, and [VLEN/8] V from 444
#define READYUV444(vl, v_u, v_v, v_y_16) \ #define READYUV444(vl, v_u, v_v, v_y_16) \
{ \ { \
vuint8m1_t v_y; \ vuint8m2_t v_y; \
vl = __riscv_vsetvl_e8m1(w); \ vl = __riscv_vsetvl_e8m2(w); \
v_y = __riscv_vle8_v_u8m1(src_y, vl); \ v_y = __riscv_vle8_v_u8m2(src_y, vl); \
v_u = __riscv_vle8_v_u8m1(src_u, vl); \ v_u = __riscv_vle8_v_u8m2(src_u, vl); \
v_v = __riscv_vle8_v_u8m1(src_v, vl); \ v_v = __riscv_vle8_v_u8m2(src_v, vl); \
v_y_16 = __riscv_vwaddu_vx_u16m2(v_y, 0, vl); \ v_y_16 = __riscv_vwaddu_vx_u16m4(v_y, 0, vl); \
} }
// Convert from YUV to fixed point RGB // Convert from YUV to fixed point RGB
#define YUVTORGB(vl, v_u, v_v, v_ub, v_vr, v_ug, v_vg, v_yg, v_bb, v_bg, v_br, \ #define YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16, \
v_y_16, v_g_16, v_b_16, v_r_16) \ v_b_16, v_r_16) \
{ \ { \
vuint16m2_t v_tmp0, v_tmp1, v_tmp2, v_tmp3, v_tmp4; \ vuint16m4_t v_tmp0, v_tmp1, v_tmp2, v_tmp3, v_tmp4; \
vuint32m4_t v_tmp5; \ vuint32m8_t v_tmp5; \
v_tmp0 = __riscv_vwmulu_vv_u16m2(v_u, v_ug, vl); \ v_tmp0 = __riscv_vwmulu_vx_u16m4(v_u, ug, vl); \
v_y_16 = __riscv_vmul_vx_u16m2(v_y_16, 0x0101, vl); \ v_y_16 = __riscv_vmul_vx_u16m4(v_y_16, 0x0101, vl); \
v_tmp0 = __riscv_vwmaccu_vv_u16m2(v_tmp0, v_vg, v_v, vl); \ v_tmp0 = __riscv_vwmaccu_vx_u16m4(v_tmp0, vg, v_v, vl); \
v_tmp1 = __riscv_vwmulu_vv_u16m2(v_u, v_ub, vl); \ v_tmp1 = __riscv_vwmulu_vx_u16m4(v_u, ub, vl); \
v_tmp5 = __riscv_vwmulu_vv_u32m4(v_y_16, v_yg, vl); \ v_tmp5 = __riscv_vwmulu_vx_u32m8(v_y_16, yg, vl); \
v_tmp2 = __riscv_vnsrl_wx_u16m2(v_tmp5, 16, vl); \ v_tmp2 = __riscv_vnsrl_wx_u16m4(v_tmp5, 16, vl); \
v_tmp3 = __riscv_vadd_vv_u16m2(v_tmp2, v_bg, vl); \ v_tmp3 = __riscv_vadd_vx_u16m4(v_tmp2, bg, vl); \
v_tmp4 = __riscv_vadd_vv_u16m2(v_tmp2, v_tmp1, vl); \ v_tmp4 = __riscv_vadd_vv_u16m4(v_tmp2, v_tmp1, vl); \
v_tmp2 = __riscv_vwmaccu_vv_u16m2(v_tmp2, v_vr, v_v, vl); \ v_tmp2 = __riscv_vwmaccu_vx_u16m4(v_tmp2, vr, v_v, vl); \
v_g_16 = __riscv_vssubu_vv_u16m2(v_tmp3, v_tmp0, vl); \ v_g_16 = __riscv_vssubu_vv_u16m4(v_tmp3, v_tmp0, vl); \
v_b_16 = __riscv_vssubu_vv_u16m2(v_tmp4, v_bb, vl); \ v_b_16 = __riscv_vssubu_vx_u16m4(v_tmp4, bb, vl); \
v_r_16 = __riscv_vssubu_vv_u16m2(v_tmp2, v_br, vl); \ v_r_16 = __riscv_vssubu_vx_u16m4(v_tmp2, br, vl); \
} }
// Convert from fixed point RGB To 8 bit RGB // Convert from fixed point RGB To 8 bit RGB
#define RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r) \ #define RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r) \
{ \ { \
v_g = __riscv_vnclipu_wx_u8m1(v_g_16, 6, vl); \ v_g = __riscv_vnclipu_wx_u8m2(v_g_16, 6, vl); \
v_b = __riscv_vnclipu_wx_u8m1(v_b_16, 6, vl); \ v_b = __riscv_vnclipu_wx_u8m2(v_b_16, 6, vl); \
v_r = __riscv_vnclipu_wx_u8m1(v_r_16, 6, vl); \ v_r = __riscv_vnclipu_wx_u8m2(v_r_16, 6, vl); \
} }
void ARGBToAR64Row_RVV(const uint8_t* src_argb, uint16_t* dst_ar64, int width) { void ARGBToAR64Row_RVV(const uint8_t* src_argb, uint16_t* dst_ar64, int width) {
@ -270,20 +268,19 @@ void I444ToARGBRow_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r, v_a; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r, v_a;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br); v_a = __riscv_vmv_v_x_u8m2(255u, vl);
v_a = __riscv_vmv_v_x_u8m1(255u, vl);
do { do {
READYUV444(vl, v_u, v_v, v_y_16); READYUV444(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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_u += vl; src_u += vl;
@ -301,20 +298,19 @@ void I444AlphaToARGBRow_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r, v_a; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r, v_a;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br);
do { do {
READYUV444(vl, v_u, v_v, v_y_16); READYUV444(vl, v_u, v_v, v_y_16);
v_a = __riscv_vle8_v_u8m1(src_a, vl); v_a = __riscv_vle8_v_u8m2(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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_a += vl; src_a += vl;
@ -332,19 +328,18 @@ void I444ToRGB24Row_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br);
do { do {
READYUV444(vl, v_u, v_v, v_y_16); READYUV444(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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_u += vl; src_u += vl;
@ -361,20 +356,19 @@ void I422ToARGBRow_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r, v_a; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r, v_a;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br); v_a = __riscv_vmv_v_x_u8m2(255u, vl);
v_a = __riscv_vmv_v_x_u8m1(255u, vl);
do { do {
READYUV422(vl, v_u, v_v, v_y_16); 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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_u += vl / 2; src_u += vl / 2;
@ -392,20 +386,19 @@ void I422AlphaToARGBRow_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r, v_a; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r, v_a;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br);
do { do {
READYUV422(vl, v_u, v_v, v_y_16); READYUV422(vl, v_u, v_v, v_y_16);
v_a = __riscv_vle8_v_u8m1(src_a, vl); v_a = __riscv_vle8_v_u8m2(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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_a += vl; src_a += vl;
@ -423,20 +416,19 @@ void I422ToRGBARow_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r, v_a; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r, v_a;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br); v_a = __riscv_vmv_v_x_u8m2(255u, vl);
v_a = __riscv_vmv_v_x_u8m1(255u, vl);
do { do {
READYUV422(vl, v_u, v_v, v_y_16); 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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_u += vl / 2; src_u += vl / 2;
@ -453,19 +445,18 @@ void I422ToRGB24Row_RVV(const uint8_t* src_y,
int width) { int width) {
size_t vl; size_t vl;
size_t w = (size_t)width; size_t w = (size_t)width;
vuint8m1_t v_u, v_v; uint8_t ub, vr, ug, vg;
vuint8m1_t v_ub, v_vr, v_ug, v_vg; int16_t yg, bb, bg, br;
vuint8m1_t v_b, v_g, v_r; vuint8m2_t v_u, v_v;
vuint16m2_t v_yg, v_bb, v_bg, v_br; vuint8m2_t v_b, v_g, v_r;
vuint16m2_t v_y_16, v_g_16, v_b_16, v_r_16; vuint16m4_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, YUVTORGB_SETUP(vl, yuvconstants, ub, vr, ug, vg, yg, bb, bg, br);
v_br);
do { do {
READYUV422(vl, v_u, v_v, v_y_16); 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, YUVTORGB(vl, v_u, v_v, ub, vr, ug, vg, yg, bb, bg, br, v_y_16, v_g_16,
v_y_16, v_g_16, v_b_16, v_r_16); v_b_16, v_r_16);
RGBTORGB8(vl, v_g_16, v_b_16, v_r_16, v_g, v_b, v_r); 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; w -= vl;
src_y += vl; src_y += vl;
src_u += vl / 2; src_u += vl / 2;