volume_draine.h File Reference

#include "kernel/types.h"
#include "kernel/closure/volume_util.h"

Go to the source code of this file.

Classes
struct	DraineVolume

Functions
ccl_device int	volume_draine_setup (ccl_private DraineVolume *volume)
ccl_device Spectrum	volume_draine_eval (const ccl_private ShaderData *sd, const ccl_private ShaderVolumeClosure *svc, const float3 wo, ccl_private float *pdf)
ccl_device int	volume_draine_sample (const ccl_private ShaderData *sd, const ccl_private ShaderVolumeClosure *svc, const float2 rand, ccl_private Spectrum *eval, ccl_private float3 *wo, ccl_private float *pdf)

Function Documentation

volume_draine_eval()

ccl_device Spectrum volume_draine_eval	(	const ccl_private ShaderData *	sd,
		const ccl_private ShaderVolumeClosure *	svc,
		const float3	wo,
		ccl_private float *	pdf )

Definition at line 32 of file volume_draine.h.

References ccl_device, ccl_private, cos_theta(), dot(), make_spectrum, and phase_draine().

Referenced by volume_phase_eval().

volume_draine_sample()

ccl_device int volume_draine_sample	(	const ccl_private ShaderData *	sd,
		const ccl_private ShaderVolumeClosure *	svc,
		const float2	rand,
		ccl_private Spectrum *	eval,
		ccl_private float3 *	wo,
		ccl_private float *	pdf )

Definition at line 46 of file volume_draine.h.

References ccl_device, ccl_private, LABEL_VOLUME_SCATTER, make_spectrum, and phase_draine_sample().

Referenced by volume_phase_sample().

volume_draine_setup()

ccl_device int volume_draine_setup

(

ccl_private DraineVolume *

volume

)

Definition at line 23 of file volume_draine.h.

References ccl_device, ccl_private, CLOSURE_VOLUME_DRAINE_ID, fabsf, min, SD_SCATTER, and signf().

Referenced by osl_closure_draine_setup(), and svm_alloc_closure_volume_scatter().