Method Denoiser

openpgl/imagespace/Denoiser.h:15–65

struct Denoiser
{
    Denoiser(pgl_point2i resolution, bool filterFeatures) : m_resolution(resolution), m_filterFeatures(filterFeatures)
    {
        oidnDevice = oidn::newDevice();
        oidnDevice.commit();

        std::size_t numPixels = m_resolution.x * m_resolution.y;

        bufferColor3f = oidnDevice.newBuffer(numPixels * 3 * sizeof(float));
        bufferScalar = oidnDevice.newBuffer(numPixels * 1 * sizeof(float));
        bufferAlbedo = oidnDevice.newBuffer(numPixels * 3 * sizeof(float));
        bufferNormal = oidnDevice.newBuffer(numPixels * 3 * sizeof(float));

        if (filterFeatures)
        {
            oidnAlbedoFilter = oidnDevice.newFilter("RT");
            oidnAlbedoFilter.setImage("albedo", bufferAlbedo, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnAlbedoFilter.setImage("output", bufferAlbedo, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnAlbedoFilter.commit();

            oidnNormalFilter = oidnDevice.newFilter("RT");
            oidnNormalFilter.setImage("normal", bufferNormal, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnNormalFilter.setImage("output", bufferNormal, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnNormalFilter.commit();

            oidnColor3fFilter = oidnDevice.newFilter("RT");
            oidnColor3fFilter.setImage("color", bufferColor3f, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.setImage("albedo", bufferAlbedo, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.setImage("normal", bufferNormal, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.setImage("output", bufferColor3f, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.set("cleanAux", true);  // auxiliary images will be prefiltered
            oidnColor3fFilter.set("hdr", true);
            oidnColor3fFilter.commit();
        }
        else
        {
            oidnColor3fFilter = oidnDevice.newFilter("RT");
            oidnColor3fFilter.setImage("color", bufferColor3f, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.setImage("albedo", bufferAlbedo, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.setImage("normal", bufferNormal, oidn::Format::Float3, m_resolution.x, m_resolution.y);
            oidnColor3fFilter.setImage("output", bufferColor3f, oidn::Format::Float3, m_resolution.x, m_resolution.y);

            oidnColor3fFilter.set("hdr", true);
            oidnColor3fFilter.commit();
        }

        oidnScalarFilter = oidnDevice.newFilter("RT");
        oidnScalarFilter.setImage("color", bufferScalar, oidn::Format::Float, m_resolution.x, m_resolution.y);
        oidnScalarFilter.setImage("output", bufferScalar, oidn::Format::Float, m_resolution.x, m_resolution.y);
        oidnScalarFilter.set("hdr", true);
        oidnScalarFilter.commit();
    }

    Denoiser(const Denoiser &denoiser) = delete;