sky.h File Reference

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Functions
CCL_NAMESPACE_BEGIN ccl_device float	sky_angle_between (float thetav, float phiv, float theta, float phi)
ccl_device float	sky_perez_function (ccl_private float *lam, float theta, float gamma)
ccl_device float3	sky_radiance_preetham (KernelGlobals kg, float3 dir, float sunphi, float suntheta, float radiance_x, float radiance_y, float radiance_z, ccl_private float *config_x, ccl_private float *config_y, ccl_private float *config_z)
ccl_device float	sky_radiance_internal (ccl_private float *configuration, float theta, float gamma)
ccl_device float3	sky_radiance_hosek (KernelGlobals kg, float3 dir, float sunphi, float suntheta, float radiance_x, float radiance_y, float radiance_z, ccl_private float *config_x, ccl_private float *config_y, ccl_private float *config_z)
ccl_device float3	geographical_to_direction (float lat, float lon)
ccl_device float3	sky_radiance_nishita (KernelGlobals kg, float3 dir, uint32_t path_flag, float3 pixel_bottom, float3 pixel_top, ccl_private float *nishita_data, uint texture_id)
ccl_device_noinline int	svm_node_tex_sky (KernelGlobals kg, ccl_private ShaderData *sd, uint32_t path_flag, ccl_private float *stack, uint4 node, int offset)

Function Documentation

geographical_to_direction()

ccl_device float3 geographical_to_direction	(	float	lat,
		float	lon )

Definition at line 115 of file sky.h.

References cosf, make_float3(), and sinf.

Referenced by sky_radiance_nishita().

sky_angle_between()

CCL_NAMESPACE_BEGIN ccl_device float sky_angle_between	(	float	thetav,
		float	phiv,
		float	theta,
		float	phi )

Definition at line 11 of file sky.h.

References cosf, safe_acosf(), and sinf.

Referenced by sky_radiance_hosek(), and sky_radiance_preetham().

sky_perez_function()

ccl_device float sky_perez_function	(	ccl_private float *	lam,
		float	theta,
		float	gamma )

Definition at line 21 of file sky.h.

References cosf, and expf.

Referenced by sky_radiance_preetham().

sky_radiance_hosek()

ccl_device float3 sky_radiance_hosek	(	KernelGlobals	kg,
		float3	dir,
		float	sunphi,
		float	suntheta,
		float	radiance_x,
		float	radiance_y,
		float	radiance_z,
		ccl_private float *	config_x,
		ccl_private float *	config_y,
		ccl_private float *	config_z )

Definition at line 83 of file sky.h.

References direction_to_spherical(), M_2PI_F, M_PI_2_F, make_float3(), min, sky_angle_between(), sky_radiance_internal(), xyz_to_rgb_clamped(), and z().

Referenced by svm_node_tex_sky().

sky_radiance_internal()

ccl_device float sky_radiance_internal	(	ccl_private float *	configuration,
		float	theta,
		float	gamma )

Definition at line 66 of file sky.h.

References cosf, expf, powf, and sqrtf.

Referenced by sky_radiance_hosek().

sky_radiance_nishita()

ccl_device float3 sky_radiance_nishita	(	KernelGlobals	kg,
		float3	dir,
		uint32_t	path_flag,
		float3	pixel_bottom,
		float3	pixel_top,
		ccl_private float *	nishita_data,
		uint	texture_id )

Definition at line 120 of file sky.h.

References direction_to_spherical(), fade(), float4_to_float3(), geographical_to_direction(), interp(), kernel_data, kernel_tex_image_interp(), M_2PI_F, M_PI_2_F, M_PI_F, make_float3(), PATH_RAY_IMPORTANCE_BAKE, precise_angle(), safe_sqrtf(), sqr(), sqrtf, xyz_to_rgb_clamped(), y, and float3::z.

Referenced by svm_node_tex_sky().

sky_radiance_preetham()

ccl_device float3 sky_radiance_preetham	(	KernelGlobals	kg,
		float3	dir,
		float	sunphi,
		float	suntheta,
		float	radiance_x,
		float	radiance_y,
		float	radiance_z,
		ccl_private float *	config_x,
		ccl_private float *	config_y,
		ccl_private float *	config_z )

Definition at line 30 of file sky.h.

References direction_to_spherical(), M_PI_2_F, min, sky_angle_between(), sky_perez_function(), xyY_to_xyz(), xyz_to_rgb_clamped(), and Y.

Referenced by svm_node_tex_sky().

svm_node_tex_sky()

ccl_device_noinline int svm_node_tex_sky	(	KernelGlobals	kg,
		ccl_private ShaderData *	sd,
		uint32_t	path_flag,
		ccl_private float *	stack,
		uint4	node,
		int	offset )

Definition at line 205 of file sky.h.

References __float_as_uint, make_float3(), read_node_float(), sky_radiance_hosek(), sky_radiance_nishita(), sky_radiance_preetham(), stack_load_float3(), stack_store_float3(), float3::x, float3::y, and float3::z.

Referenced by svm_eval_nodes().