svm_sky.h File Reference

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Functions
CCL_NAMESPACE_BEGIN __device float3	xyY_to_xyz (float x, float y, float Y)
__device float3	xyz_to_rgb (float x, float y, float z)
__device float	sky_angle_between (float thetav, float phiv, float theta, float phi)
__device float	sky_perez_function (__constant float *lam, float theta, float gamma)
__device float3	sky_radiance (KernelGlobals *kg, float3 dir)
__device void	svm_node_tex_sky (KernelGlobals *kg, ShaderData *sd, float *stack, uint dir_offset, uint out_offset)

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Function Documentation

__device float sky_angle_between	(	float	thetav,
		float	phiv,
		float	theta,
		float	phi
	)

Definition at line 46 of file svm_sky.h.

References cosf, safe_acosf(), and sinf.

Referenced by sky_radiance().

__device float sky_perez_function	(	__constant float *	lam,
		float	theta,
		float	gamma
	)

Definition at line 52 of file svm_sky.h.

References cosf, and expf.

Referenced by sky_radiance(), and sky_texture_precompute().

__device float3 sky_radiance	(	KernelGlobals *	kg,
		float3	dir
	)

Definition at line 60 of file svm_sky.h.

References direction_to_spherical(), kernel_data, M_PI_2_F, min, sky_angle_between(), sky_perez_function(), float3::x, float2::x, xyY_to_xyz(), xyz_to_rgb(), float3::y, float2::y, and float3::z.

Referenced by svm_node_tex_sky().

__device void svm_node_tex_sky	(	KernelGlobals *	kg,
		ShaderData *	sd,
		float *	stack,
		uint	dir_offset,
		uint	out_offset
	)

Definition at line 83 of file svm_sky.h.

References sky_radiance(), stack_load_float3(), and stack_store_float3().

Referenced by svm_eval_nodes().

CCL_NAMESPACE_BEGIN __device float3 xyY_to_xyz	(	float	x,
		float	y,
		float	Y
	)

Definition at line 21 of file svm_sky.h.

References make_float3(), and X.

Referenced by sky_radiance().

__device float3 xyz_to_rgb	(	float	x,
		float	y,
		float	z
	)

Definition at line 34 of file svm_sky.h.

References make_float3().