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// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "lib/jxl/render_pipeline/stage_splines.h"
#include <cstddef>
#include <memory>
#undef HWY_TARGET_INCLUDE
#define HWY_TARGET_INCLUDE "lib/jxl/render_pipeline/stage_splines.cc"
#include <hwy/foreach_target.h>
#include <hwy/highway.h>
#include "lib/jxl/base/status.h"
#include "lib/jxl/render_pipeline/render_pipeline_stage.h"
#include "lib/jxl/splines.h"
HWY_BEFORE_NAMESPACE();
namespace jxl {
namespace HWY_NAMESPACE {
class SplineStage : public RenderPipelineStage {
public:
explicit SplineStage(const Splines* splines)
: RenderPipelineStage(RenderPipelineStage::Settings()),
splines_(*splines) {}
Status ProcessRow(const RowInfo& input_rows, const RowInfo& output_rows,
size_t xextra, size_t xsize, size_t xpos, size_t ypos,
size_t thread_id) const final {
float* row_x = GetInputRow(input_rows, 0, 0);
float* row_y = GetInputRow(input_rows, 1, 0);
float* row_b = GetInputRow(input_rows, 2, 0);
splines_.AddToRow(row_x, row_y, row_b, ypos, xpos, xpos + xsize);
return true;
}
RenderPipelineChannelMode GetChannelMode(size_t c) const final {
return c < 3 ? RenderPipelineChannelMode::kInPlace
: RenderPipelineChannelMode::kIgnored;
}
const char* GetName() const override { return "Splines"; }
private:
const Splines& splines_;
};
std::unique_ptr<RenderPipelineStage> GetSplineStage(const Splines* splines) {
return jxl::make_unique<SplineStage>(splines);
}
// NOLINTNEXTLINE(google-readability-namespace-comments)
} // namespace HWY_NAMESPACE
} // namespace jxl
HWY_AFTER_NAMESPACE();
#if HWY_ONCE
namespace jxl {
HWY_EXPORT(GetSplineStage);
std::unique_ptr<RenderPipelineStage> GetSplineStage(const Splines* splines) {
return HWY_DYNAMIC_DISPATCH(GetSplineStage)(splines);
}
} // namespace jxl
#endif