sky.h File Reference

#include "kernel/image.h"
#include "kernel/svm/types.h"
#include "kernel/svm/util.h"
#include "kernel/util/colorspace.h"
#include "util/color.h"

Go to the source code of this file.

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

Function Documentation

geographical_to_direction()

ccl_device float3 geographical_to_direction	(	const float	lat,
		const float	lon )

Definition at line 131 of file sky.h.

References ccl_device, M_PI_2_F, and spherical_to_direction().

sky_angle_between()

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

Definition at line 20 of file sky.h.

References ccl_device, cosf, safe_acosf(), and sinf.

Referenced by sky_radiance_hosek(), and sky_radiance_preetham().

sky_perez_function()

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

Definition at line 33 of file sky.h.

References ccl_device, ccl_private, cosf, and expf.

Referenced by sky_radiance_preetham().

sky_radiance_hosek()

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

Definition at line 99 of file sky.h.

References ccl_device, ccl_private, direction_to_spherical(), M_2PI_F, M_PI_2_F, make_float3(), min, sky_angle_between(), sky_radiance_internal(), float2::x, x, xyz_to_rgb_clamped(), float2::y, y, and z().

Referenced by svm_node_tex_sky().

sky_radiance_internal()

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

Definition at line 80 of file sky.h.

References ccl_device, ccl_private, cosf, expf, powf, and sqrtf.

Referenced by sky_radiance_hosek().

sky_radiance_nishita()

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

Definition at line 136 of file sky.h.

References ccl_device, ccl_private, copysignf, direction_to_spherical(), fabsf, fractf, kernel_data, kernel_tex_image_interp(), M_1_2PI_F, M_2_PI_F, M_PI_2_F, make_float3(), mix, PATH_RAY_IMPORTANCE_BAKE, precise_angle(), spherical_to_direction(), sqr, sqrtf, float2::x, x, xyz_to_rgb_clamped(), float2::y, y, and zero_float3().

Referenced by svm_node_tex_sky().

sky_radiance_preetham()

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

Definition at line 44 of file sky.h.

References ccl_device, ccl_private, direction_to_spherical(), M_PI_2_F, min, sky_angle_between(), sky_perez_function(), float2::x, x, xyY_to_xyz(), xyz_to_rgb_clamped(), Y, float2::y, and y.

Referenced by svm_node_tex_sky().

svm_node_tex_sky()

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

Definition at line 181 of file sky.h.

References __float_as_uint, ccl_device_noinline, ccl_private, data, make_float3(), NODE_SKY_HOSEK, NODE_SKY_PREETHAM, read_node_float(), sky_radiance_hosek(), sky_radiance_nishita(), sky_radiance_preetham(), stack_load_float3(), stack_store_float3(), uint4::w, float3::x, float3::y, uint4::y, float3::z, and uint4::z.

Referenced by svm_eval_nodes().