noise_generator.h File Reference

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Typedefs
typedef enum dt_noise_distribution_t	dt_noise_distribution_t

Enumerations
enum	dt_noise_distribution_t {   DT_NOISE_UNIFORM = 0 ,   DT_NOISE_GAUSSIAN = 1 ,   DT_NOISE_POISSONIAN = 2 }

Functions
static unsigned int	splitmix32 (const unsigned long seed)
static unsigned	rol32 (const unsigned int x, const int k)
static float	xoshiro128plus (uint state[4])
static float4	uniform_noise_simd (const float4 mu, const float4 sigma, uint state[4])
static float4	gaussian_noise_simd (const float4 mu, const float4 sigma, uint state[4])
static float4	poisson_noise_simd (const float4 mu, const float4 sigma, uint state[4])
static float4	dt_noise_generator_simd (const dt_noise_distribution_t distribution, const float4 mu, const float4 param, uint state[4])

Typedef Documentation

dt_noise_distribution_t

typedef enum dt_noise_distribution_t dt_noise_distribution_t

Enumeration Type Documentation

dt_noise_distribution_t

enum dt_noise_distribution_t

Enumerator
DT_NOISE_UNIFORM
DT_NOISE_GAUSSIAN
DT_NOISE_POISSONIAN

Function Documentation

dt_noise_generator_simd()

static float4 dt_noise_generator_simd ( const dt_noise_distribution_t  distribution, const float4  mu, const float4  param, uint  state[4]  )

inlinestatic

References DT_NOISE_GAUSSIAN, DT_NOISE_POISSONIAN, DT_NOISE_UNIFORM, gaussian_noise_simd(), mu, param, poisson_noise_simd(), state, and uniform_noise_simd().

Referenced by guide_laplacians(), and inpaint_noise().

gaussian_noise_simd()

static float4 gaussian_noise_simd ( const float4  mu, const float4  sigma, uint  state[4]  )

inlinestatic

References flip, M_PI_F, mu, noise, sigma, state, u2, and xoshiro128plus().

Referenced by dt_noise_generator_simd().

poisson_noise_simd()

static float4 poisson_noise_simd ( const float4  mu, const float4  sigma, uint  state[4]  )

inlinestatic

References flip, M_PI_F, mu, noise, r, sigma, state, u2, and xoshiro128plus().

Referenced by dt_noise_generator_simd().

rol32()

static unsigned rol32 ( const unsigned int  x, const int  k  )

inlinestatic

References k, and x.

Referenced by xoshiro128plus().

splitmix32()

static unsigned int splitmix32 ( const unsigned long  seed )

inlinestatic

Referenced by _cell_hash01_from_seed(), _simulate_channel(), _simulate_color(), _uniform_random(), guide_laplacians(), inpaint_mask(), inpaint_noise(), and make_noise().

uniform_noise_simd()

static float4 uniform_noise_simd ( const float4  mu, const float4  sigma, uint  state[4]  )

inlinestatic

References mu, noise, sigma, state, and xoshiro128plus().

Referenced by dt_noise_generator_simd().

xoshiro128plus()

static float xoshiro128plus ( uint  state[4] )

inlinestatic

References rol32(), state, and t.

Referenced by gaussian_noise_simd(), guide_laplacians(), inpaint_mask(), inpaint_noise(), make_noise(), poisson_noise_simd(), and uniform_noise_simd().