C++ (Cpp) createOpenCLImageResult示例

示例#1

文件： OpenCLFEColorMatrix.cpp 项目： SchleunigerAG/WinEC7_Qt5.3.1_Fixes

bool FEColorMatrix::platformApplyOpenCL()
{
    FilterContextOpenCL* context = FilterContextOpenCL::context();
    if (!context)
        return false;

    if (!context->compileFEColorMatrix())
        return true;

    FilterEffect* in = inputEffect(0);
    OpenCLHandle source = in->openCLImage();
    OpenCLHandle destination = createOpenCLImageResult();

    IntPoint relativeSourceLocation(
        absolutePaintRect().x() - in->absolutePaintRect().location().x(),
        absolutePaintRect().y() - in->absolutePaintRect().location().y());

    float components[9];
    if (FECOLORMATRIX_TYPE_SATURATE == m_type)
        calculateSaturateComponents(components, m_values[0]);
    else if (FECOLORMATRIX_TYPE_HUEROTATE == m_type)
        calculateHueRotateComponents(components, m_values[0]);

    context->applyFEColorMatrix(destination, absolutePaintRect().size(), source, relativeSourceLocation, (FECOLORMATRIX_TYPE_MATRIX == m_type) ? m_values.data() : components, m_type);

    return true;
}

示例#2

文件： OpenCLFESourceAlpha.cpp 项目： 3163504123/phantomjs

bool SourceAlpha::platformApplyOpenCL()
{
    FilterContextOpenCL* context = FilterContextOpenCL::context();

    if (!context)
        return false;

    platformApplySoftware();
    ImageBuffer* sourceImage = asImageBuffer();
    if (!sourceImage)
        return false;

    RefPtr<Uint8ClampedArray> sourceImageData = sourceImage->getUnmultipliedImageData(IntRect(IntPoint(), sourceImage->internalSize()));
    createOpenCLImageResult(sourceImageData->data());
    return true;
}

示例#3

文件： FilterEffect.cpp 项目： sinoory/webv8

// This function will be changed to abstract virtual when all filters are landed.
bool FilterEffect::platformApplyOpenCL()
{
    if (!FilterContextOpenCL::context())
        return false;

    unsigned size = m_inputEffects.size();
    for (unsigned i = 0; i < size; ++i) {
        FilterEffect* in = m_inputEffects.at(i).get();
        // Software code path expects that at least one of the following fileds is valid.
        if (!in->m_imageBufferResult && !in->m_unmultipliedImageResult && !in->m_premultipliedImageResult)
            in->asImageBuffer();
    }

    platformApplySoftware();
    ImageBuffer* sourceImage = asImageBuffer();
    if (sourceImage) {
        RefPtr<Uint8ClampedArray> sourceImageData = sourceImage->getUnmultipliedImageData(IntRect(IntPoint(), sourceImage->internalSize()));
        createOpenCLImageResult(sourceImageData->data());
    }
    return true;
}