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// Copyright 2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
// ospray
#include "PixelFilter.h"
#include "ISPCDevice.h"
#include "ISPCDeviceObject.h"
#include "math/Distribution2D.h"
#ifndef OSPRAY_TARGET_SYCL
#include "pf/LUTPixelFilter_ispc.h"
#else
namespace ispc {
void LUTPixelFilter_buildLUT(void *self);
}
#endif
namespace ospray {
PixelFilter::PixelFilter(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device)
{}
LUTPixelFilter::LUTPixelFilter(const float size,
ispc::LUTPixelFilterType lutFilterType,
api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device)
{
getSh()->super.width = size;
getSh()->super.type = ispc::PIXEL_FILTER_TYPE_LUT;
const vec2i lutSize = vec2i(std::ceil(size)) * LUTPIXELFILTER_PER_PIXEL_BINS;
distribution = new Distribution2D(lutSize, device);
// Remove local ref
distribution->refDec();
getSh()->distribution = distribution->getSh();
getSh()->lutFilterType = lutFilterType;
ispc::LUTPixelFilter_buildLUT(getSh());
}
PointPixelFilter::PointPixelFilter(api::ISPCDevice &device)
: PixelFilter(device)
{
getSh()->type = ispc::PIXEL_FILTER_TYPE_POINT;
getSh()->width = 0.f;
}
BoxPixelFilter::BoxPixelFilter(api::ISPCDevice &device) : PixelFilter(device)
{
getSh()->type = ispc::PIXEL_FILTER_TYPE_BOX;
getSh()->width = 1.f;
}
GaussianLUTPixelFilter::GaussianLUTPixelFilter(api::ISPCDevice &device)
: LUTPixelFilter(3.f, ispc::LUT_PIXEL_FILTER_TYPE_GAUSSIAN, device)
{}
BlackmanHarrisLUTPixelFilter::BlackmanHarrisLUTPixelFilter(
api::ISPCDevice &device)
: LUTPixelFilter(3.f, ispc::LUT_PIXEL_FILTER_TYPE_BLACKMANN_HARRIS, device)
{}
MitchellNetravaliLUTPixelFilter::MitchellNetravaliLUTPixelFilter(
api::ISPCDevice &device)
: LUTPixelFilter(
4.f, ispc::LUT_PIXEL_FILTER_TYPE_MITCHELL_NETRAVALI, device)
{}
} // namespace ospray
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