knee.c File Reference

#include "common/darktable.h"
#include "common/solvers/sparse_cholesky_cl.h"
#include "develop/imageop.h"
#include "develop/imageop_math.h"
#include "iop/highlights/knee.h"
#include <math.h>
#include <stdlib.h>

Include dependency graph for knee.c:

Go to the source code of this file.

Functions
static float	_knee_lift_of (const _hl_knee_curve_t *const k, const float x)
static __DT_CLONE_TARGETS__ void	_knee_blur4 (const float *const planes[4], float *const outs[4], const int n_planes, const int region_w, const int region_h, const float sigma, float *const restrict pack_in, float *const restrict pack_out)
static int	_knee_cmp_float (const void *ptr_a, const void *ptr_b)
static float	_knee_median (float *const values, const size_t count)
static int	_knee_p2 (const int chan_a, const int chan_b)
__DT_CLONE_TARGETS__ void	_hl_knee_estimate (const float *const restrict input, const size_t width, const size_t height, const uint32_t filters, const dt_iop_roi_t *const roi_in, const uint8_t(*const xtrans)[6], const dt_aligned_pixel_t clipval_raw, _hl_knee_curve_t curves[3], const dt_dev_pixelpipe_t *pipe)
__DT_CLONE_TARGETS__ void	_hl_knee_apply_interpolated (float *const restrict interpolated, const size_t npix, const dt_aligned_pixel_t clipvaln, const dt_aligned_pixel_t wb4, const _hl_knee_curve_t curves[3])
__DT_CLONE_TARGETS__ void	_hl_knee_apply_cfa (const float *const restrict input, float *const restrict input_corr, const size_t width, const size_t height, const uint32_t filters, const dt_iop_roi_t *const roi_in, const uint8_t(*const xtrans)[6], const dt_aligned_pixel_t clipval_raw, const _hl_knee_curve_t curves[3])
cl_int	_hl_knee_estimate_cl (const int devid, void *gd_void, cl_mem dev_in, const size_t width, const size_t height, const uint32_t filters, const dt_iop_roi_t *const roi_in, cl_mem dev_xtrans, const int is_xtrans, const dt_aligned_pixel_t clipval_raw, _hl_knee_curve_t curves[3], const dt_dev_pixelpipe_t *pipe)
cl_int	_hl_knee_apply_cfa_cl (const int devid, void *gd_void, cl_mem dev_in, cl_mem dev_out, const size_t width, const size_t height, const uint32_t filters, const dt_iop_roi_t *const roi_in, cl_mem dev_xtrans, const int is_xtrans, const dt_aligned_pixel_t clipval_raw, const _hl_knee_curve_t curves[3])

Function Documentation

_hl_knee_apply_cfa()

__DT_CLONE_TARGETS__ void _hl_knee_apply_cfa	(	const float *const restrict	input,
		float *const restrict	input_corr,
		const size_t	width,
		const size_t	height,
		const uint32_t	filters,
		const dt_iop_roi_t *const	roi_in,
		const uint8_t(*)	xtrans[6],
		const dt_aligned_pixel_t	clipval_raw,
		const _hl_knee_curve_t	curves[3]
	)

Definition at line 553 of file knee.c.

References _knee_lift_of(), DT_HL_KNEE_DET, DT_HL_KNEE_LO, FC(), FCxtrans(), height, HL_PFOR, i, value, and width.

Referenced by _harmonic_reconstruct_host(), _knee_cl_selftest(), process_harmonic_bayer(), and process_harmonic_xtrans().

_hl_knee_apply_cfa_cl()

cl_int _hl_knee_apply_cfa_cl	(	const int	devid,
		void *	gd_void,
		cl_mem	dev_in,
		cl_mem	dev_out,
		const size_t	width,
		const size_t	height,
		const uint32_t	filters,
		const dt_iop_roi_t *const	roi_in,
		cl_mem	dev_xtrans,
		const int	is_xtrans,
		const dt_aligned_pixel_t	clipval_raw,
		const _hl_knee_curve_t	curves[3]
	)

Definition at line 917 of file knee.c.

References _sp_cl_upload(), DT_HL_KNEE_BINS, DT_HL_KNEE_DET, DT_HL_KNEE_LO, DT_OPENCL_DEFAULT_ERROR, dt_opencl_enqueue_kernel_2d(), dt_opencl_release_mem_object(), dt_opencl_set_kernel_arg(), _hl_knee_curve_t::engaged, height, kernel(), dt_iop_highlights_global_data_t::kernel_hl_knee_apply, ROUNDUPDHT, ROUNDUPDWD, width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by _harmonic_reconstruct_cl(), and _knee_cl_selftest().

_hl_knee_apply_interpolated()

__DT_CLONE_TARGETS__ void _hl_knee_apply_interpolated	(	float *const restrict	interpolated,
		const size_t	npix,
		const dt_aligned_pixel_t	clipvaln,
		const dt_aligned_pixel_t	wb4,
		const _hl_knee_curve_t	curves[3]
	)

Definition at line 515 of file knee.c.

References _knee_lift_of(), DT_HL_KNEE_DET, DT_HL_KNEE_LO, and HL_PFOR.

Referenced by _harmonic_reconstruct_host(), process_harmonic_bayer(), and process_harmonic_xtrans().

_hl_knee_estimate()

__DT_CLONE_TARGETS__ void _hl_knee_estimate	(	const float *const restrict	input,
		const size_t	width,
		const size_t	height,
		const uint32_t	filters,
		const dt_iop_roi_t *const	roi_in,
		const uint8_t(*)	xtrans[6],
		const dt_aligned_pixel_t	clipval_raw,
		_hl_knee_curve_t	curves[3],
		const dt_dev_pixelpipe_t *	pipe
	)

Definition at line 105 of file knee.c.

References _knee_blur4(), _knee_median(), _knee_p2(), cleanup(), DT_HL_KNEE_BINS, DT_HL_KNEE_DET, DT_HL_KNEE_ENGAGE, DT_HL_KNEE_FMIN, DT_HL_KNEE_LO, DT_HL_KNEE_MINVOTES, DT_HL_KNEE_NSIGMA, DT_HL_KNEE_NSIGMAS, DT_HL_KNEE_R2MIN, dt_pixelpipe_cache_alloc_align_float, dt_pixelpipe_cache_free_align, _hl_knee_curve_t::engaged, FC(), FCxtrans(), height, HL_PFOR, i, IS_NULL_PTR, k, _hl_knee_curve_t::lift, MIN, row, sigma, weight(), and width.

Referenced by _knee_cl_selftest(), process_harmonic_bayer(), and process_harmonic_xtrans().

_hl_knee_estimate_cl()

cl_int _hl_knee_estimate_cl	(	const int	devid,
		void *	gd_void,
		cl_mem	dev_in,
		const size_t	width,
		const size_t	height,
		const uint32_t	filters,
		const dt_iop_roi_t *const	roi_in,
		cl_mem	dev_xtrans,
		const int	is_xtrans,
		const dt_aligned_pixel_t	clipval_raw,
		_hl_knee_curve_t	curves[3],
		const dt_dev_pixelpipe_t *	pipe
	)

Definition at line 584 of file knee.c.

References _knee_median(), _region_blur_handle(), cleanup(), dt_gaussian_blur_cl(), dt_gaussian_free_cl(), DT_HL_KNEE_BINS, DT_HL_KNEE_DET, DT_HL_KNEE_ENGAGE, DT_HL_KNEE_FMIN, DT_HL_KNEE_LO, DT_HL_KNEE_MINVOTES, DT_HL_KNEE_NSIGMA, DT_HL_KNEE_NSIGMAS, DT_HL_KNEE_R2MIN, dt_opencl_alloc_device(), dt_opencl_alloc_device_buffer(), DT_OPENCL_DEFAULT_ERROR, dt_opencl_enqueue_kernel_2d(), dt_opencl_read_buffer_from_device(), dt_opencl_release_mem_object(), dt_opencl_set_kernel_arg(), dt_opencl_write_buffer_to_device(), dt_pixelpipe_cache_alloc_align_float, dt_pixelpipe_cache_free_align, _hl_knee_curve_t::engaged, height, i, k, kernel(), dt_iop_highlights_global_data_t::kernel_hl_knee_bin, dt_iop_highlights_global_data_t::kernel_hl_knee_jmom, dt_iop_highlights_global_data_t::kernel_hl_knee_joint_reg, dt_iop_highlights_global_data_t::kernel_hl_knee_pair_reg, dt_iop_highlights_global_data_t::kernel_hl_knee_pmom, _hl_knee_curve_t::lift, ROUNDUPDHT, ROUNDUPDWD, sigma, width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

Referenced by _knee_cl_selftest(), and process_harmonic_cl().

_knee_blur4()

static __DT_CLONE_TARGETS__ void _knee_blur4 ( const float *const  planes[4], float *const  outs[4], const int  n_planes, const int  region_w, const int  region_h, const float  sigma, float *const restrict  pack_in, float *const restrict  pack_out  )

static

Definition at line 53 of file knee.c.

References _hl_gauss_get(), dt_gaussian_blur_4c(), gaussian(), HL_PFOR, i, k, and sigma.

Referenced by _hl_knee_estimate().

_knee_cmp_float()

static int _knee_cmp_float ( const void *  ptr_a, const void *  ptr_b  )

static

Definition at line 79 of file knee.c.

Referenced by _knee_median().

_knee_lift_of()

static float _knee_lift_of ( const _hl_knee_curve_t *const  k, const float  x  )

inlinestatic

Definition at line 30 of file knee.c.

References DT_HL_KNEE_BINS, DT_HL_KNEE_DET, DT_HL_KNEE_LO, i, k, and x.

Referenced by _hl_knee_apply_cfa(), and _hl_knee_apply_interpolated().

_knee_median()

static float _knee_median ( float *const  values, const size_t  count  )

static

Definition at line 88 of file knee.c.

References _knee_cmp_float().

Referenced by _hl_knee_estimate(), and _hl_knee_estimate_cl().

_knee_p2()

static int _knee_p2 ( const int  chan_a, const int  chan_b  )

inlinestatic

Definition at line 98 of file knee.c.

Referenced by _hl_knee_estimate().