Functions
CCL_NAMESPACE_BEGIN ccl_device float3	phase_sample_direction (float3 D, float cos_theta, float rand)

ccl_device float	phase_henyey_greenstein (float cos_theta, float g)

ccl_device float3	phase_henyey_greenstein_sample (float3 D, float g, float2 rand, ccl_private float *pdf)

ccl_device float	phase_rayleigh (float cos_theta)

ccl_device float3	phase_rayleigh_sample (float3 D, float2 rand, ccl_private float *pdf)

ccl_device float	phase_draine (float cos_theta, float g, float alpha)

ccl_device float	phase_draine_sample_cos (float g, float alpha, float rand)

ccl_device float3	phase_draine_sample (float3 D, float g, float alpha, float2 rand, ccl_private float *pdf)

ccl_device float	phase_fournier_forand_delta (float n, float sin_htheta_sqr)

ccl_device_inline float3	phase_fournier_forand_coeffs (float B, float IOR)

ccl_device_inline float	phase_fournier_forand_impl (float cos_theta, float delta, float pow_delta_v, float v, float sin_htheta_sqr, float pf_coeff)

ccl_device float	phase_fournier_forand (float cos_theta, float3 coeffs)

ccl_device float	phase_fournier_forand_newton (float rand, float3 coeffs)

ccl_device float3	phase_fournier_forand_sample (float3 D, float3 coeffs, float2 rand, ccl_private float *pdf)

Function Documentation

◆ phase_draine()

ccl_device float phase_draine	(	float	cos_theta,
		float	g,
		float	alpha )

Definition at line 78 of file volume_util.h.

References cos_theta(), fabsf, phase_henyey_greenstein(), phase_rayleigh(), sqr(), and sqrtf.

Referenced by phase_draine_sample(), and volume_draine_eval().

◆ phase_draine_sample()

ccl_device float3 phase_draine_sample	(	float3	D,
		float	g,
		float	alpha,
		float2	rand,
		ccl_private float *	pdf )

Definition at line 124 of file volume_util.h.

References cos_theta(), fabsf, phase_draine(), phase_draine_sample_cos(), phase_henyey_greenstein_sample(), phase_rayleigh_sample(), phase_sample_direction(), float2::x, and float2::y.

Referenced by volume_draine_sample().

◆ phase_draine_sample_cos()

ccl_device float phase_draine_sample_cos	(	float	g,
		float	alpha,
		float	rand )

Definition at line 95 of file volume_util.h.

References fabsf, fast_inv_cbrtf(), sqr(), sqrtf, T10, T2, T3, T4, T5, T6, T7, T8, and T9.

Referenced by phase_draine_sample().

◆ phase_fournier_forand()

ccl_device float phase_fournier_forand	(	float	cos_theta,
		float3	coeffs )

Definition at line 179 of file volume_util.h.

References cos_theta(), fabsf, M_PI_F, phase_fournier_forand_delta(), phase_fournier_forand_impl(), powf, v, float3::x, float3::y, and float3::z.

Referenced by phase_fournier_forand_sample(), and volume_fournier_forand_eval().

◆ phase_fournier_forand_coeffs()

ccl_device_inline float3 phase_fournier_forand_coeffs	(	float	B,
		float	IOR )

Definition at line 146 of file volume_util.h.

References B, logf, make_float3(), phase_fournier_forand_delta(), powf, and v.

Referenced by volume_fournier_forand_setup().

◆ phase_fournier_forand_delta()

ccl_device float phase_fournier_forand_delta	(	float	n,
		float	sin_htheta_sqr )

Definition at line 140 of file volume_util.h.

References sqr().

Referenced by phase_fournier_forand(), phase_fournier_forand_coeffs(), and phase_fournier_forand_newton().

◆ phase_fournier_forand_impl()

ccl_device_inline float phase_fournier_forand_impl	(	float	cos_theta,
		float	delta,
		float	pow_delta_v,
		float	v,
		float	sin_htheta_sqr,
		float	pf_coeff )

Definition at line 159 of file volume_util.h.

References cos_theta(), fabsf, m_delta, M_PI_F, pf, sqr(), and v.

Referenced by phase_fournier_forand(), and phase_fournier_forand_newton().

◆ phase_fournier_forand_newton()

ccl_device float phase_fournier_forand_newton	(	float	rand,
		float3	coeffs )

Definition at line 193 of file volume_util.h.

References cos_theta(), fabsf, m_delta, M_PI_F, max, mix, pf, phase_fournier_forand_delta(), phase_fournier_forand_impl(), powf, sqr(), v, float3::x, float3::y, and float3::z.

Referenced by phase_fournier_forand_sample().

◆ phase_fournier_forand_sample()

ccl_device float3 phase_fournier_forand_sample	(	float3	D,
		float3	coeffs,
		float2	rand,
		ccl_private float *	pdf )

Definition at line 235 of file volume_util.h.

References cos_theta(), phase_fournier_forand(), phase_fournier_forand_newton(), phase_sample_direction(), float2::x, and float2::y.

Referenced by volume_fournier_forand_sample().

◆ phase_henyey_greenstein()

ccl_device float phase_henyey_greenstein	(	float	cos_theta,
		float	g )

Definition at line 26 of file volume_util.h.

References cos_theta(), fabsf, safe_sqrtf(), and sqr().

Referenced by phase_draine(), phase_henyey_greenstein_sample(), and volume_henyey_greenstein_eval().

◆ phase_henyey_greenstein_sample()

ccl_device float3 phase_henyey_greenstein_sample	(	float3	D,
		float	g,
		float2	rand,
		ccl_private float *	pdf )

Definition at line 35 of file volume_util.h.

References cos_theta(), fabsf, phase_henyey_greenstein(), phase_sample_direction(), sqr(), float2::x, and float2::y.

Referenced by phase_draine_sample(), and volume_henyey_greenstein_sample().

◆ phase_rayleigh()

ccl_device float phase_rayleigh ( float cos_theta )

Definition at line 54 of file volume_util.h.

References cos_theta(), and sqr().

Referenced by phase_draine(), phase_rayleigh_sample(), and volume_rayleigh_eval().

◆ phase_rayleigh_sample()

ccl_device float3 phase_rayleigh_sample	(	float3	D,
		float2	rand,
		ccl_private float *	pdf )

Definition at line 59 of file volume_util.h.

References cos_theta(), fast_inv_cbrtf(), phase_rayleigh(), phase_sample_direction(), sqr(), sqrtf, float2::x, and float2::y.

Referenced by phase_draine_sample(), and volume_rayleigh_sample().

◆ phase_sample_direction()

CCL_NAMESPACE_BEGIN ccl_device float3 phase_sample_direction	(	float3	D,
		float	cos_theta,
		float	rand )

Definition at line 10 of file volume_util.h.

References B, cos_theta(), cosf, D, M_2PI_F, make_float3(), make_orthonormals(), sin_from_cos(), sin_theta(), sinf, T, float3::x, float3::y, and float3::z.

Referenced by phase_draine_sample(), phase_fournier_forand_sample(), phase_henyey_greenstein_sample(), and phase_rayleigh_sample().

Functions