static void OneVFU1()

in renderscript-toolkit/src/main/cpp/Blur.cpp [260:311]

• 49 lines of code
• 9 McCabe index (conditional complexity)

static void OneVFU1(float* out, const uchar* ptrIn, int iStride, const float* gPtr, int ct, int len,
                    bool usesSimd) {
    int x1 = 0;

    while((len > x1) && (((uintptr_t)ptrIn) & 0x3)) {
        const uchar *pi = ptrIn;
        float blurredPixel = 0;
        const float* gp = gPtr;

        for (int r = 0; r < ct; r++) {
            float pf = (float)pi[0];
            blurredPixel += pf * gp[0];
            pi += iStride;
            gp++;
        }
        out[0] = blurredPixel;
        x1++;
        out++;
        ptrIn++;
        len--;
    }
#if defined(ARCH_X86_HAVE_SSSE3)
    if (usesSimd && (len > x1)) {
        int t = (len - x1) >> 2;
        t &= ~1;
        if (t) {
            rsdIntrinsicBlurVFU4_K(out, ptrIn, iStride, gPtr, ct, 0, t );
            len -= t << 2;
            ptrIn += t << 2;
            out += t << 2;
        }
    }
#else
    (void) usesSimd; // Avoid unused parameter warning.
#endif
    while(len > 0) {
        const uchar *pi = ptrIn;
        float blurredPixel = 0;
        const float* gp = gPtr;

        for (int r = 0; r < ct; r++) {
            float pf = (float)pi[0];
            blurredPixel += pf * gp[0];
            pi += iStride;
            gp++;
        }
        out[0] = blurredPixel;
        len--;
        out++;
        ptrIn++;
    }
}