C++ (Cpp) platformApplyNEON Examples

Example #1

File: FEBlend.cpp Project: Rajesh-Veeranki/engine

bool FEBlend::applySoftwareNEON()
{
    if (m_mode != WebBlendModeNormal
        && m_mode != WebBlendModeMultiply
        && m_mode != WebBlendModeScreen
        && m_mode != WebBlendModeDarken
        && m_mode != WebBlendModeLighten)
        return false;

    Uint8ClampedArray* dstPixelArray = createPremultipliedImageResult();
    if (!dstPixelArray)
        return true;

    FilterEffect* in = inputEffect(0);
    FilterEffect* in2 = inputEffect(1);

    IntRect effectADrawingRect = requestedRegionOfInputImageData(in->absolutePaintRect());
    RefPtr<Uint8ClampedArray> srcPixelArrayA = in->asPremultipliedImage(effectADrawingRect);

    IntRect effectBDrawingRect = requestedRegionOfInputImageData(in2->absolutePaintRect());
    RefPtr<Uint8ClampedArray> srcPixelArrayB = in2->asPremultipliedImage(effectBDrawingRect);

    unsigned pixelArrayLength = srcPixelArrayA->length();
    ASSERT(pixelArrayLength == srcPixelArrayB->length());

    if (pixelArrayLength >= 8) {
        platformApplyNEON(srcPixelArrayA->data(), srcPixelArrayB->data(), dstPixelArray->data(), pixelArrayLength);
    } else {
        // If there is just one pixel we expand it to two.
        ASSERT(pixelArrayLength > 0);
        uint32_t sourceA[2] = {0, 0};
        uint32_t sourceBAndDest[2] = {0, 0};

        sourceA[0] = reinterpret_cast<uint32_t*>(srcPixelArrayA->data())[0];
        sourceBAndDest[0] = reinterpret_cast<uint32_t*>(srcPixelArrayB->data())[0];
        platformApplyNEON(reinterpret_cast<uint8_t*>(sourceA), reinterpret_cast<uint8_t*>(sourceBAndDest), reinterpret_cast<uint8_t*>(sourceBAndDest), 8);
        reinterpret_cast<uint32_t*>(dstPixelArray->data())[0] = sourceBAndDest[0];
    }
    return true;
}

Example #2

File: FEBlend.cpp Project: SchleunigerAG/WinEC7_Qt5.3.1_Fixes

void FEBlend::platformApplySoftware()
{
    FilterEffect* in = inputEffect(0);
    FilterEffect* in2 = inputEffect(1);

    ASSERT(m_mode > FEBLEND_MODE_UNKNOWN);
    ASSERT(m_mode <= FEBLEND_MODE_LIGHTEN);

    Uint8ClampedArray* dstPixelArray = createPremultipliedImageResult();
    if (!dstPixelArray)
        return;

    IntRect effectADrawingRect = requestedRegionOfInputImageData(in->absolutePaintRect());
    RefPtr<Uint8ClampedArray> srcPixelArrayA = in->asPremultipliedImage(effectADrawingRect);

    IntRect effectBDrawingRect = requestedRegionOfInputImageData(in2->absolutePaintRect());
    RefPtr<Uint8ClampedArray> srcPixelArrayB = in2->asPremultipliedImage(effectBDrawingRect);

    unsigned pixelArrayLength = srcPixelArrayA->length();
    ASSERT(pixelArrayLength == srcPixelArrayB->length());

#if HAVE(ARM_NEON_INTRINSICS)
    if (pixelArrayLength >= 8)
        platformApplyNEON(srcPixelArrayA->data(), srcPixelArrayB->data(), dstPixelArray->data(), pixelArrayLength);
    else { // If there is just one pixel we expand it to two.
        ASSERT(pixelArrayLength > 0);
        uint32_t sourceA[2] = {0, 0};
        uint32_t sourceBAndDest[2] = {0, 0};

        sourceA[0] = reinterpret_cast<uint32_t*>(srcPixelArrayA->data())[0];
        sourceBAndDest[0] = reinterpret_cast<uint32_t*>(srcPixelArrayB->data())[0];
        platformApplyNEON(reinterpret_cast<uint8_t*>(sourceA), reinterpret_cast<uint8_t*>(sourceBAndDest), reinterpret_cast<uint8_t*>(sourceBAndDest), 8);
        reinterpret_cast<uint32_t*>(dstPixelArray->data())[0] = sourceBAndDest[0];
    }
#else
    platformApplyGeneric(srcPixelArrayA->data(), srcPixelArrayB->data(), dstPixelArray->data(), pixelArrayLength);
#endif
}