kernel_differential.h File Reference

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Functions
CCL_NAMESPACE_BEGIN ccl_device void	differential_transfer (ccl_addr_space differential3 *dP_, const differential3 dP, float3 D, const differential3 dD, float3 Ng, float t)
ccl_device void	differential_incoming (ccl_addr_space differential3 *dI, const differential3 dD)
ccl_device void	differential_dudv (ccl_addr_space differential *du, ccl_addr_space differential *dv, float3 dPdu, float3 dPdv, differential3 dP, float3 Ng)
ccl_device differential	differential_zero ()
ccl_device differential3	differential3_zero ()

Function Documentation

differential3_zero()

ccl_device differential3 differential3_zero

(

)

Definition at line 106 of file kernel_differential.h.

References differential3::dx, differential3::dy, and zero_float3().

Referenced by camera_sample_orthographic(), camera_sample_perspective(), direct_emission(), direct_emissive_eval(), kernel_background_evaluate(), kernel_path_ao(), shader_setup_from_sample(), and subsurface_scatter_disk().

differential_dudv()

ccl_device void differential_dudv	(	ccl_addr_space differential *	du,
		ccl_addr_space differential *	dv,
		float3	dPdu,
		float3	dPdv,
		differential3	dP,
		float3	Ng
	)

Definition at line 48 of file kernel_differential.h.

References differential3::dx, differential3::dy, fabsf, float3::x, float3::y, and float3::z.

Referenced by shader_setup_from_ray().

differential_incoming()

ccl_device void differential_incoming	(	ccl_addr_space differential3 *	dI,
		const differential3	dD
	)

Definition at line 39 of file kernel_differential.h.

References differential3::dx, and differential3::dy.

Referenced by shader_setup_from_background(), and shader_setup_from_ray().

differential_transfer()

CCL_NAMESPACE_BEGIN ccl_device void differential_transfer	(	ccl_addr_space differential3 *	dP_,
		const differential3	dP,
		float3	D,
		const differential3	dD,
		float3	Ng,
		float	t
	)

Definition at line 21 of file kernel_differential.h.

References D(), dot(), differential3::dx, differential3::dy, and t.

Referenced by shader_setup_from_ray(), and Camera::world_to_raster_size().

differential_zero()

ccl_device differential differential_zero

(

)

Definition at line 97 of file kernel_differential.h.

References differential::dx, and differential::dy.

Referenced by shader_setup_from_background(), and shader_setup_from_sample().