bsdf_ashikhmin_shirley.h File Reference

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device int	bsdf_ashikhmin_shirley_setup (MicrofacetBsdf *bsdf)
ccl_device void	bsdf_ashikhmin_shirley_blur (ShaderClosure *sc, float roughness)
ccl_device_inline float	bsdf_ashikhmin_shirley_roughness_to_exponent (float roughness)
ccl_device_forceinline float3	bsdf_ashikhmin_shirley_eval_reflect (const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
ccl_device float3	bsdf_ashikhmin_shirley_eval_transmit (const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
ccl_device_inline void	bsdf_ashikhmin_shirley_sample_first_quadrant (float n_x, float n_y, float randu, float randv, float *phi, float *cos_theta)
ccl_device int	bsdf_ashikhmin_shirley_sample (const ShaderClosure *sc, float3 Ng, float3 I, float3 dIdx, float3 dIdy, float randu, float randv, float3 *eval, float3 *omega_in, float3 *domega_in_dx, float3 *domega_in_dy, float *pdf)

Function Documentation

bsdf_ashikhmin_shirley_blur()

ccl_device void bsdf_ashikhmin_shirley_blur	(	ShaderClosure *	sc,
		float	roughness
	)

Definition at line 43 of file bsdf_ashikhmin_shirley.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, fmaxf, and usdtokens::roughness().

Referenced by bsdf_blur().

bsdf_ashikhmin_shirley_eval_reflect()

ccl_device_forceinline float3 bsdf_ashikhmin_shirley_eval_reflect	(	const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 56 of file bsdf_ashikhmin_shirley.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_ashikhmin_shirley_roughness_to_exponent(), dot(), e, fabsf, fmaxf, H, I, M_PI_F, make_float3, make_orthonormals_tangent(), N, norm(), normalize(), powf, sqrtf, MicrofacetBsdf::T, X, and Y.

Referenced by bsdf_ashikhmin_shirley_sample(), and bsdf_eval().

bsdf_ashikhmin_shirley_eval_transmit()

ccl_device float3 bsdf_ashikhmin_shirley_eval_transmit	(	const ShaderClosure *	sc,
		const float3	I,
		const float3	omega_in,
		float *	pdf
	)

Definition at line 123 of file bsdf_ashikhmin_shirley.h.

References make_float3.

Referenced by bsdf_eval().

bsdf_ashikhmin_shirley_roughness_to_exponent()

ccl_device_inline float bsdf_ashikhmin_shirley_roughness_to_exponent

(

float

roughness

)

Definition at line 51 of file bsdf_ashikhmin_shirley.h.

References usdtokens::roughness().

Referenced by bsdf_ashikhmin_shirley_eval_reflect(), and bsdf_ashikhmin_shirley_sample().

bsdf_ashikhmin_shirley_sample()

ccl_device int bsdf_ashikhmin_shirley_sample	(	const ShaderClosure *	sc,
		float3	Ng,
		float3	I,
		float3	dIdx,
		float3	dIdy,
		float	randu,
		float	randv,
		float3 *	eval,
		float3 *	omega_in,
		float3 *	domega_in_dx,
		float3 *	domega_in_dy,
		float *	pdf
	)

Definition at line 140 of file bsdf_ashikhmin_shirley.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, bsdf_ashikhmin_shirley_eval_reflect(), bsdf_ashikhmin_shirley_roughness_to_exponent(), bsdf_ashikhmin_shirley_sample_first_quadrant(), cosf, dot(), fmaxf, H, I, label, LABEL_GLOSSY, LABEL_REFLECT, LABEL_SINGULAR, M_2PI_F, M_PI_F, make_float3, make_orthonormals(), make_orthonormals_tangent(), N, powf, sinf, sqrtf, MicrofacetBsdf::T, float3::x, X, float3::y, Y, and float3::z.

Referenced by bsdf_sample().

bsdf_ashikhmin_shirley_sample_first_quadrant()

ccl_device_inline void bsdf_ashikhmin_shirley_sample_first_quadrant	(	float	n_x,
		float	n_y,
		float	randu,
		float	randv,
		float *	phi,
		float *	cos_theta
	)

Definition at line 131 of file bsdf_ashikhmin_shirley.h.

References atanf, cosf, M_PI_2_F, powf, sinf, sqrtf, and tanf.

Referenced by bsdf_ashikhmin_shirley_sample().

bsdf_ashikhmin_shirley_setup()

CCL_NAMESPACE_BEGIN ccl_device int bsdf_ashikhmin_shirley_setup

(

MicrofacetBsdf *

bsdf

)

Definition at line 34 of file bsdf_ashikhmin_shirley.h.

References MicrofacetBsdf::alpha_x, MicrofacetBsdf::alpha_y, clamp(), CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID, SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by svm_node_closure_bsdf().