ies.h File Reference

Go to the source code of this file.

Macros
#define	IES_LOOKUP(v)   kernel_data_fetch(ies, ofs + h * v_num + (v))
#define	IES_LOOKUP_ANGLE_H(h)   kernel_data_fetch(ies, ofs + (h))
#define	IES_LOOKUP_ANGLE_V(v)   kernel_data_fetch(ies, ofs + h_num + (v))

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline float	interpolate_ies_vertical (KernelGlobals kg, int ofs, const bool wrap_vlow, const bool wrap_vhigh, int v, int v_num, float v_frac, int h)
ccl_device_inline float	kernel_ies_interp (KernelGlobals kg, int slot, float h_angle, float v_angle)

Macro Definition Documentation

IES_LOOKUP

#define IES_LOOKUP

(

v

)

kernel_data_fetch(ies, ofs + h * v_num + (v))

Referenced by interpolate_ies_vertical().

IES_LOOKUP_ANGLE_H

#define IES_LOOKUP_ANGLE_H

(

h

)

kernel_data_fetch(ies, ofs + (h))

Referenced by kernel_ies_interp().

IES_LOOKUP_ANGLE_V

#define IES_LOOKUP_ANGLE_V

(

v

)

kernel_data_fetch(ies, ofs + h_num + (v))

Referenced by kernel_ies_interp().

Function Documentation

interpolate_ies_vertical()

CCL_NAMESPACE_BEGIN ccl_device_inline float interpolate_ies_vertical	(	KernelGlobals	kg,
		int	ofs,
		const bool	wrap_vlow,
		const bool	wrap_vhigh,
		int	v,
		int	v_num,
		float	v_frac,
		int	h )

Definition at line 11 of file kernel/util/ies.h.

References b, cubic_interp(), IES_LOOKUP, and v.

Referenced by kernel_ies_interp().

kernel_ies_interp()

ccl_device_inline float kernel_ies_interp	(	KernelGlobals	kg,
		int	slot,
		float	h_angle,
		float	v_angle )

Definition at line 49 of file kernel/util/ies.h.

References __float_as_int, b, cubic_interp(), IES_LOOKUP_ANGLE_H, IES_LOOKUP_ANGLE_V, interpolate_ies_vertical(), inverse_lerp(), kernel_data_fetch, M_2PI_F, M_PI_F, and max.

Referenced by osl_texture(), svm_node_ies(), and OSLRenderServices::texture().