Files
2026-07-13 13:33:03 +08:00

14 lines
488 B
C++

#include <riscv_vector.h>
void MNNGRAYToC3(const unsigned char* source, unsigned char* dest, size_t count) {
size_t i = 0;
while (i < count) {
size_t vl = __riscv_vsetvl_e8m8(count - i);
vuint8m8_t gray = __riscv_vle8_v_u8m8(source + i, vl);
__riscv_vsse8_v_u8m8(dest + i * 3 + 0, 3, gray, vl);
__riscv_vsse8_v_u8m8(dest + i * 3 + 1, 3, gray, vl);
__riscv_vsse8_v_u8m8(dest + i * 3 + 2, 3, gray, vl);
i += vl;
}
}