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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.
#ifndef LIB_JXL_RENDER_PIPELINE_STAGE_NOISE_H_
#define LIB_JXL_RENDER_PIPELINE_STAGE_NOISE_H_
#include <cstddef>
#include <memory>
#include "lib/jxl/chroma_from_luma.h"
#include "lib/jxl/noise.h"
#include "lib/jxl/render_pipeline/render_pipeline_stage.h"
namespace jxl {
// Adds noise to color channels.
std::unique_ptr<RenderPipelineStage> GetAddNoiseStage(
const NoiseParams& noise_params, const ColorCorrelationMap& cmap,
size_t noise_c_start);
// Applies a 5x5 subtract-box-filter convolution to the noise input channels.
std::unique_ptr<RenderPipelineStage> GetConvolveNoiseStage(
size_t noise_c_start);
} // namespace jxl
#endif // LIB_JXL_RENDER_PIPELINE_STAGE_NOISE_H_
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