svm_ies.h File Reference

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

Functions
CCL_NAMESPACE_BEGIN ccl_device_inline float	interpolate_ies_vertical (KernelGlobals *kg, int ofs, 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)
ccl_device void	svm_node_ies (KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)

Macro Definition Documentation

IES_LOOKUP

#define IES_LOOKUP

(

v

)

kernel_tex_fetch(__ies, ofs + h * v_num + (v))

IES_LOOKUP_ANGLE_H

#define IES_LOOKUP_ANGLE_H

(

h

)

kernel_tex_fetch(__ies, ofs + (h))

IES_LOOKUP_ANGLE_V

#define IES_LOOKUP_ANGLE_V

(

v

)

kernel_tex_fetch(__ies, ofs + h_num + (v))

Function Documentation

interpolate_ies_vertical()

CCL_NAMESPACE_BEGIN ccl_device_inline float interpolate_ies_vertical	(	KernelGlobals *	kg,
		int	ofs,
		int	v,
		int	v_num,
		float	v_frac,
		int	h
	)

Definition at line 21 of file svm_ies.h.

References Freestyle::a, Freestyle::c, cubic_interp(), IES_LOOKUP, min, 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 42 of file svm_ies.h.

References __float_as_int(), Freestyle::a, Freestyle::c, cubic_interp(), IES_LOOKUP_ANGLE_H, IES_LOOKUP_ANGLE_V, interpolate_ies_vertical(), inverse_lerp(), kernel_assert, kernel_tex_fetch, kg, and max.

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

svm_node_ies()

ccl_device void svm_node_ies	(	KernelGlobals *	kg,
		ShaderData *	sd,
		float *	stack,
		uint4	node,
		int *	offset
	)

Definition at line 101 of file svm_ies.h.

References atan2f, kernel_ies_interp(), kg, M_PI_F, node, normalize(), safe_acosf(), stack_load_float3(), stack_load_float_default(), stack_store_float(), stack_valid(), and svm_unpack_node_uchar3().

Referenced by svm_eval_nodes().