noise.h File Reference

#include "util/hash.h"
#include "util/math.h"
#include "util/types.h"

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device float	fade (const float t)
ccl_device_inline float	negate_if (const float val, const int condition)
ccl_device float	grad1 (const int hash, const float x)
ccl_device_noinline_cpu float	perlin_1d (const float x)
ccl_device float	bi_mix (const float v0, const float v1, const float v2, const float v3, const float x, float y)
ccl_device float	tri_mix (const float v0, float v1, float v2, float v3, float v4, float v5, float v6, float v7, const float x, const float y, const float z)
ccl_device float	quad_mix (const float v0, float v1, float v2, float v3, float v4, float v5, float v6, float v7, float v8, float v9, float v10, float v11, float v12, float v13, float v14, float v15, const float x, const float y, const float z, const float w)
ccl_device float	grad2 (const int hash, const float x, float y)
ccl_device float	grad3 (const int hash, const float x, float y, const float z)
ccl_device float	grad4 (const int hash, const float x, float y, const float z, float w)
ccl_device_noinline_cpu float	perlin_2d (const float x, const float y)
ccl_device_noinline_cpu float	perlin_3d (const float x, const float y, float z)
ccl_device_noinline_cpu float	perlin_4d (const float x, const float y, float z, const float w)
ccl_device_inline float	noise_scale1 (const float result)
ccl_device_inline float	noise_scale2 (const float result)
ccl_device_inline float	noise_scale3 (const float result)
ccl_device_inline float	noise_scale4 (const float result)
ccl_device_inline float	snoise_1d (float p)
ccl_device_inline float	noise_1d (const float p)
ccl_device_inline float	snoise_2d (float2 p)
ccl_device_inline float	noise_2d (const float2 p)
ccl_device_inline float	snoise_3d (float3 p)
ccl_device_inline float	noise_3d (const float3 p)
ccl_device_inline float	snoise_4d (float4 p)
ccl_device_inline float	noise_4d (const float4 p)

Function Documentation

bi_mix()

ccl_device float bi_mix	(	const float	v0,
		const float	v1,
		const float	v2,
		const float	v3,
		const float	x,
		float	y )

Definition at line 64 of file noise.h.

References ccl_device, v2, x, and y.

Referenced by perlin_2d().

fade()

CCL_NAMESPACE_BEGIN ccl_device float fade

(

const float

t

)

Definition at line 18 of file noise.h.

References ccl_device.

Referenced by blender::ed::sculpt_paint::cloth::add_constraints_for_verts(), BKE_kelvinlet_grab(), BKE_kelvinlet_grab_biscale(), BKE_kelvinlet_grab_triscale(), blender::ed::sculpt_paint::expand::colors_update_task(), do_version_glare_node_options_to_inputs(), ED_markers_draw(), blender::get_build_factor(), kelvinlet_scale(), kelvinlet_twist(), perlin_1d(), perlin_2d(), perlin_3d(), perlin_4d(), sky_radiance_nishita(), and spherical_stereo_transform().

grad1()

ccl_device float grad1	(	const int	hash,
		const float	x )

Definition at line 28 of file noise.h.

References ccl_device, hash, negate_if(), and x.

Referenced by perlin_1d().

grad2()

ccl_device float grad2	(	const int	hash,
		const float	x,
		float	y )

Definition at line 134 of file noise.h.

References ccl_device, hash, negate_if(), v, x, and y.

Referenced by perlin_2d().

grad3()

ccl_device float grad3	(	const int	hash,
		const float	x,
		float	y,
		const float	z )

Definition at line 142 of file noise.h.

References ccl_device, hash, negate_if(), v, x, y, and z().

Referenced by perlin_3d().

grad4()

ccl_device float grad4	(	const int	hash,
		const float	x,
		float	y,
		const float	z,
		float	w )

Definition at line 151 of file noise.h.

References ccl_device, hash, negate_if(), v, w(), x, y, and z().

Referenced by perlin_4d().

negate_if()

ccl_device_inline float negate_if	(	const float	val,
		const int	condition )

Definition at line 23 of file noise.h.

References ccl_device_inline.

Referenced by grad1(), grad2(), grad3(), and grad4().

noise_1d()

ccl_device_inline float noise_1d

(

const float

p

)

Definition at line 702 of file noise.h.

References ccl_device_inline, and snoise_1d().

noise_2d()

ccl_device_inline float noise_2d

(

const float2

p

)

Definition at line 720 of file noise.h.

References ccl_device_inline, and snoise_2d().

noise_3d()

ccl_device_inline float noise_3d

(

const float3

p

)

Definition at line 738 of file noise.h.

References ccl_device_inline, and snoise_3d().

noise_4d()

ccl_device_inline float noise_4d

(

const float4

p

)

Definition at line 756 of file noise.h.

References ccl_device_inline, and snoise_4d().

noise_scale1()

ccl_device_inline float noise_scale1

(

const float

result

)

Definition at line 669 of file noise.h.

References ccl_device_inline, and result.

Referenced by snoise_1d().

noise_scale2()

ccl_device_inline float noise_scale2

(

const float

result

)

Definition at line 674 of file noise.h.

References ccl_device_inline, and result.

Referenced by snoise_2d().

noise_scale3()

ccl_device_inline float noise_scale3

(

const float

result

)

Definition at line 679 of file noise.h.

References ccl_device_inline, and result.

Referenced by snoise_3d().

noise_scale4()

ccl_device_inline float noise_scale4

(

const float

result

)

Definition at line 684 of file noise.h.

References ccl_device_inline, and result.

Referenced by snoise_4d().

perlin_1d()

ccl_device_noinline_cpu float perlin_1d

(

const float

x

)

Definition at line 35 of file noise.h.

References ccl_device_noinline_cpu, fade(), floorfrac(), grad1(), hash_uint(), mix, X, and x.

Referenced by snoise_1d().

perlin_2d()

ccl_device_noinline_cpu float perlin_2d	(	const float	x,
		const float	y )

Definition at line 160 of file noise.h.

References bi_mix(), ccl_device_noinline_cpu, fade(), floorfrac(), grad2(), hash_uint2(), v, X, x, Y, and y.

Referenced by snoise_2d().

perlin_3d()

ccl_device_noinline_cpu float perlin_3d	(	const float	x,
		const float	y,
		float	z )

Definition at line 181 of file noise.h.

References ccl_device_noinline_cpu, fade(), floorfrac(), grad3(), hash_uint3(), tri_mix(), v, w(), X, x, Y, y, Z, and z().

Referenced by snoise_3d().

perlin_4d()

ccl_device_noinline_cpu float perlin_4d	(	const float	x,
		const float	y,
		float	z,
		const float	w )

Definition at line 209 of file noise.h.

References ccl_device_noinline_cpu, fade(), floorfrac(), grad4(), hash_uint4(), quad_mix(), v, W, w(), X, x, Y, y, Z, and z().

Referenced by snoise_4d().

quad_mix()

ccl_device float quad_mix	(	const float	v0,
		float	v1,
		float	v2,
		float	v3,
		float	v4,
		float	v5,
		float	v6,
		float	v7,
		float	v8,
		float	v9,
		float	v10,
		float	v11,
		float	v12,
		float	v13,
		float	v14,
		float	v15,
		const float	x,
		const float	y,
		const float	z,
		const float	w )

Definition at line 108 of file noise.h.

References ccl_device, mix, tri_mix(), v2, w(), x, y, and z().

Referenced by perlin_4d().

snoise_1d()

ccl_device_inline float snoise_1d

(

float

p

)

Definition at line 691 of file noise.h.

References ccl_device_inline, fabsf, fmodf, noise_scale1(), and perlin_1d().

Referenced by noise_1d(), noise_fbm(), noise_hetero_terrain(), noise_hybrid_multi_fractal(), noise_multi_fractal(), noise_ridged_multi_fractal(), and noise_texture_1d().

snoise_2d()

ccl_device_inline float snoise_2d

(

float2

p

)

Definition at line 707 of file noise.h.

References ccl_device_inline, fabs(), fmod(), make_float2(), mask(), noise_scale2(), one_float2(), perlin_2d(), float2::x, and float2::y.

Referenced by noise_2d(), noise_fbm(), noise_hetero_terrain(), noise_hybrid_multi_fractal(), noise_multi_fractal(), noise_ridged_multi_fractal(), and noise_texture_2d().

snoise_3d()

ccl_device_inline float snoise_3d

(

float3

p

)

Definition at line 725 of file noise.h.

References ccl_device_inline, fabs(), fmod(), make_float3(), mask(), noise_scale3(), one_float3(), perlin_3d(), float3::x, float3::y, and float3::z.

Referenced by noise_3d(), noise_fbm(), noise_hetero_terrain(), noise_hybrid_multi_fractal(), noise_multi_fractal(), noise_ridged_multi_fractal(), and noise_texture_3d().

snoise_4d()

ccl_device_inline float snoise_4d

(

float4

p

)

Definition at line 743 of file noise.h.

References ccl_device_inline, fabs(), fmod(), make_float4(), mask(), noise_scale4(), one_float4(), and perlin_4d().

Referenced by noise_4d(), noise_fbm(), noise_hetero_terrain(), noise_hybrid_multi_fractal(), noise_multi_fractal(), noise_ridged_multi_fractal(), and noise_texture_4d().

tri_mix()

ccl_device float tri_mix	(	const float	v0,
		float	v1,
		float	v2,
		float	v3,
		float	v4,
		float	v5,
		float	v6,
		float	v7,
		const float	x,
		const float	y,
		const float	z )

Definition at line 89 of file noise.h.

References ccl_device, v2, x, y, and z().

Referenced by perlin_3d(), and quad_mix().