bsdf_ashikhmin_shirley.h File Reference

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Functions
CCL_NAMESPACE_BEGIN ccl_device int	bsdf_ashikhmin_shirley_setup (ccl_private MicrofacetBsdf *bsdf)
ccl_device void	bsdf_ashikhmin_shirley_blur (ccl_private ShaderClosure *sc, float roughness)
ccl_device_inline float	bsdf_ashikhmin_shirley_roughness_to_exponent (float roughness)
ccl_device_forceinline Spectrum	bsdf_ashikhmin_shirley_eval (ccl_private const ShaderClosure *sc, const float3 Ng, const float3 wi, const float3 wo, ccl_private float *pdf)
ccl_device_inline void	bsdf_ashikhmin_shirley_sample_first_quadrant (float n_x, float n_y, const float2 rand, ccl_private float *phi, ccl_private float *cos_theta)
ccl_device int	bsdf_ashikhmin_shirley_sample (ccl_private const ShaderClosure *sc, float3 Ng, float3 wi, float2 rand, ccl_private Spectrum *eval, ccl_private float3 *wo, ccl_private float *pdf, ccl_private float2 *sampled_roughness)

Function Documentation

bsdf_ashikhmin_shirley_blur()

ccl_device void bsdf_ashikhmin_shirley_blur	(	ccl_private ShaderClosure *	sc,
		float	roughness )

Definition at line 31 of file bsdf_ashikhmin_shirley.h.

References MicrofacetBsdf::alpha_x, ccl_private, and fmaxf.

Referenced by bsdf_blur().

bsdf_ashikhmin_shirley_eval()

ccl_device_forceinline Spectrum bsdf_ashikhmin_shirley_eval	(	ccl_private const ShaderClosure *	sc,
		const float3	Ng,
		const float3	wi,
		const float3	wo,
		ccl_private float *	pdf )

Definition at line 44 of file bsdf_ashikhmin_shirley.h.

References bsdf_ashikhmin_shirley_roughness_to_exponent(), ccl_private, dot(), e, fabsf, fmaxf, H, M_PI_F, make_orthonormals_tangent(), make_spectrum, N, norm(), normalize(), powf, sqrtf, X, Y, and zero_spectrum.

Referenced by bsdf_ashikhmin_shirley_sample(), and bsdf_eval().

bsdf_ashikhmin_shirley_roughness_to_exponent()

ccl_device_inline float bsdf_ashikhmin_shirley_roughness_to_exponent

(

float

roughness

)

Definition at line 39 of file bsdf_ashikhmin_shirley.h.

Referenced by bsdf_ashikhmin_shirley_eval(), and bsdf_ashikhmin_shirley_sample().

bsdf_ashikhmin_shirley_sample()

ccl_device int bsdf_ashikhmin_shirley_sample	(	ccl_private const ShaderClosure *	sc,
		float3	Ng,
		float3	wi,
		float2	rand,
		ccl_private Spectrum *	eval,
		ccl_private float3 *	wo,
		ccl_private float *	pdf,
		ccl_private float2 *	sampled_roughness )

Definition at line 124 of file bsdf_ashikhmin_shirley.h.

References bsdf_ashikhmin_shirley_eval(), bsdf_ashikhmin_shirley_roughness_to_exponent(), bsdf_ashikhmin_shirley_sample_first_quadrant(), ccl_private, cos_theta(), cosf, dot(), fmaxf, H, label, LABEL_GLOSSY, LABEL_NONE, LABEL_REFLECT, LABEL_SINGULAR, M_2PI_F, M_PI_F, make_float2(), make_float3(), make_orthonormals(), make_orthonormals_tangent(), make_spectrum, N, powf, sin_phi(), sin_theta(), sinf, sqrtf, X, float2::x, float3::x, Y, float2::y, float3::y, float3::z, and zero_spectrum.

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,
		const float2	rand,
		ccl_private float *	phi,
		ccl_private float *	cos_theta )

Definition at line 115 of file bsdf_ashikhmin_shirley.h.

References atanf, cos_theta(), cosf, M_PI_2_F, powf, sin_phi(), sinf, sqrtf, tanf, float2::x, and float2::y.

Referenced by bsdf_ashikhmin_shirley_sample().

bsdf_ashikhmin_shirley_setup()

CCL_NAMESPACE_BEGIN ccl_device int bsdf_ashikhmin_shirley_setup

(

ccl_private MicrofacetBsdf *

bsdf

)

Definition at line 21 of file bsdf_ashikhmin_shirley.h.

References clamp(), CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID, NONE, SD_BSDF, and SD_BSDF_HAS_EVAL.

Referenced by osl_closure_microfacet_setup(), and svm_node_closure_bsdf().