#include "util/transform.h"
#include "util/projection_inverse.h"

Classes
struct	ProjectionTransform
struct	PerspectiveMotionTransform

Functions
CCL_NAMESPACE_BEGIN ccl_device float2	direction_to_spherical (const float3 dir)
ccl_device float3	spherical_to_direction (const float theta, const float phi)
ccl_device float3	spherical_cos_to_direction (const float cos_theta, const float phi)
ccl_device_inline float2	polar_to_cartesian (const float r, const float phi)
template<class T>
ccl_device_inline T	to_global (const float2 p, const T X, const T Y)
template<class T>
ccl_device_inline T	to_global (const float3 p, const T X, const T Y, const T Z)
template<class T>
ccl_device_inline float2	to_local (const T p, const T X, const T Y)
template<class T>
ccl_device_inline float3	to_local (const T p, const T X, const T Y, const T Z)
ccl_device_inline float3	disk_to_hemisphere (const float2 p)
CCL_NAMESPACE_END CCL_NAMESPACE_BEGIN ccl_device_inline float3	transform_perspective (const ccl_private ProjectionTransform *t, const float3 a)
ccl_device_inline float3	transform_perspective_direction (const ccl_private ProjectionTransform *t, const float3 a)
ccl_device_inline float3	transform_perspective_deriv (const ccl_private ProjectionTransform *t, const float3 a, const float3 dx, const float3 dy, ccl_private float3 &out_dx, ccl_private float3 &out_dy)
ccl_device_inline ProjectionTransform	make_projection (const float a, const float b, const float c, const float d, const float e, const float f, const float g, const float h, const float i, const float j, const float k, const float l, const float m, const float n, const float o, const float p)
ccl_device_inline ProjectionTransform	projection_identity ()
ccl_device_inline Transform	projection_to_transform (const ProjectionTransform &a)
ccl_device_inline ProjectionTransform	projection_transpose (const ProjectionTransform a)
ccl_device_inline ProjectionTransform	projection_inverse (const ProjectionTransform tfm)
ccl_device_inline ProjectionTransform	operator* (const ProjectionTransform a, const ProjectionTransform b)
ccl_device_inline ProjectionTransform	operator* (const ProjectionTransform &a, const Transform &b)
ccl_device_inline ProjectionTransform	operator* (const Transform &a, const ProjectionTransform &b)
ccl_device_inline void	print_projection (const char *label, const ProjectionTransform &t)
ccl_device_inline ProjectionTransform	projection_perspective (const float fov, const float n, float f)
ccl_device_inline ProjectionTransform	projection_orthographic (const float znear, const float zfar)

Function Documentation

◆ direction_to_spherical()

CCL_NAMESPACE_BEGIN ccl_device float2 direction_to_spherical ( const float3 dir )

Definition at line 11 of file cycles/util/projection.h.

References atan2f, ccl_device, make_float2, safe_acosf(), float3::x, float3::y, and float3::z.

Referenced by Spherical::direction_to_sensor(), sky_radiance_hosek(), sky_radiance_nishita(), and sky_radiance_preetham().

◆ disk_to_hemisphere()

ccl_device_inline float3 disk_to_hemisphere ( const float2 p )

Definition at line 59 of file cycles/util/projection.h.

References ccl_device_inline, len_squared(), make_float3(), safe_sqrtf(), float2::x, and float2::y.

Referenced by microfacet_ggx_sample_vndf().

◆ make_projection()

ccl_device_inline ProjectionTransform make_projection	(	const float	a,
		const float	b,
		const float	c,
		const float	d,
		const float	e,
		const float	f,
		const float	g,
		const float	h,
		const float	i,
		const float	j,
		const float	k,
		const float	l,
		const float	m,
		const float	n,
		const float	o,
		const float	p )

Definition at line 139 of file cycles/util/projection.h.

References b, ccl_device_inline, e, i, l, float4::w, ProjectionTransform::w, float4::x, ProjectionTransform::x, float4::y, ProjectionTransform::y, float4::z, and ProjectionTransform::z.

Referenced by projection_identity(), and projection_perspective().

◆ operator*() [1/3]

ccl_device_inline ProjectionTransform operator*	(	const ProjectionTransform &	a,
		const Transform &	b )

Definition at line 266 of file cycles/util/projection.h.

References b, and ccl_device_inline.

◆ operator*() [2/3]

ccl_device_inline ProjectionTransform operator*	(	const ProjectionTransform	a,
		const ProjectionTransform	b )

Definition at line 249 of file cycles/util/projection.h.

References b, ccl_device_inline, dot(), make_float4, projection_transpose(), ProjectionTransform::w, ProjectionTransform::x, ProjectionTransform::y, and ProjectionTransform::z.

◆ operator*() [3/3]

ccl_device_inline ProjectionTransform operator*	(	const Transform &	a,
		const ProjectionTransform &	b )

Definition at line 271 of file cycles/util/projection.h.

References b, and ccl_device_inline.

◆ polar_to_cartesian()

ccl_device_inline float2 polar_to_cartesian	(	const float	r,
		const float	phi )

Definition at line 30 of file cycles/util/projection.h.

References ccl_device_inline, cosf, make_float2, and sinf.

Referenced by compute_2d_gabor_kernel(), compute_3d_gabor_kernel(), microfacet_beckmann_sample_vndf(), sample_uniform_disk(), and sample_uniform_sphere().

◆ print_projection()

ccl_device_inline void print_projection	(	const char *	label,
		const ProjectionTransform &	t )

Definition at line 276 of file cycles/util/projection.h.

References ccl_device_inline, print_float4(), printf, ProjectionTransform::w, ProjectionTransform::x, ProjectionTransform::y, and ProjectionTransform::z.

◆ projection_identity()

ccl_device_inline ProjectionTransform projection_identity ( )

Definition at line 178 of file cycles/util/projection.h.

References ccl_device_inline, and make_projection().

Referenced by Camera::Camera(), osl_get_inverse_matrix(), osl_get_matrix(), projection_inverse(), and Camera::update().

◆ projection_inverse()

ccl_device_inline ProjectionTransform projection_inverse ( const ProjectionTransform tfm )

Definition at line 231 of file cycles/util/projection.h.

References ccl_device_inline, M, projection_identity(), projection_inverse_impl(), R, and UNLIKELY.

Referenced by Camera::update().

◆ projection_orthographic()

ccl_device_inline ProjectionTransform projection_orthographic	(	const float	znear,
		const float	zfar )

Definition at line 299 of file cycles/util/projection.h.

References ccl_device_inline, and transform_scale().

Referenced by Camera::update().

◆ projection_perspective()

ccl_device_inline ProjectionTransform projection_perspective	(	const float	fov,
		const float	n,
		float	f )

Definition at line 285 of file cycles/util/projection.h.

References ccl_device_inline, make_projection(), tanf, and transform_scale().

Referenced by Camera::update().

◆ projection_to_transform()

ccl_device_inline Transform projection_to_transform ( const ProjectionTransform & a )

Definition at line 199 of file cycles/util/projection.h.

References ccl_device_inline, ProjectionTransform::x, ProjectionTransform::y, and ProjectionTransform::z.

Referenced by transform_transposed_inverse(), and xml_read_transform().

◆ projection_transpose()

ccl_device_inline ProjectionTransform projection_transpose ( const ProjectionTransform a )

Definition at line 206 of file cycles/util/projection.h.

References ccl_device_inline, float4::w, ProjectionTransform::w, float4::x, ProjectionTransform::x, float4::y, ProjectionTransform::y, float4::z, and ProjectionTransform::z.

Referenced by copy_matrix(), copy_matrix(), operator*(), transform_transposed_inverse(), and xml_read_transform().

◆ spherical_cos_to_direction()

ccl_device float3 spherical_cos_to_direction	(	const float	cos_theta,
		const float	phi )

Definition at line 24 of file cycles/util/projection.h.

References ccl_device, cos_theta(), cosf, make_float3(), sin_from_cos(), sin_theta(), and sinf.

Referenced by bsdf_ashikhmin_shirley_sample(), bsdf_hair_chiang_sample(), and phase_sample_direction().

◆ spherical_to_direction()

ccl_device float3 spherical_to_direction	(	const float	theta,
		const float	phi )

Definition at line 19 of file cycles/util/projection.h.

References ccl_device, cosf, make_float3(), and sinf.

Referenced by compute_3d_orientation(), equirectangular_range_to_direction(), geographical_to_direction(), Spherical::sensor_to_direction(), and sky_radiance_nishita().

◆ to_global() [1/2]

template<class T>

ccl_device_inline T to_global	(	const float2	p,
		const T	X,
		const T	Y )

Definition at line 36 of file cycles/util/projection.h.

References ccl_device_inline, T, X, float2::x, Y, and float2::y.

Referenced by bsdf_ashikhmin_shirley_sample(), bsdf_hair_chiang_sample(), bsdf_hair_huang_sample(), bsdf_microfacet_sample(), bsdf_sheen_sample(), microfacet_ggx_sample_vndf(), phase_sample_direction(), remap_hair_emitter(), sample_wh(), and svm_node_normal_map().

◆ to_global() [2/2]

template<class T>

ccl_device_inline T to_global	(	const float3	p,
		const T	X,
		const T	Y,
		const T	Z )

Definition at line 42 of file cycles/util/projection.h.

References ccl_device_inline, T, X, float3::x, Y, float3::y, Z, and float3::z.

◆ to_local() [1/2]

template<class T>

ccl_device_inline float2 to_local	(	const T	p,
		const T	X,
		const T	Y )

Definition at line 48 of file cycles/util/projection.h.

References ccl_device_inline, dot(), make_float2, T, X, and Y.

Referenced by bsdf_hair_chiang_eval(), bsdf_hair_chiang_sample(), bsdf_hair_huang_eval(), bsdf_sheen_eval(), ShaderManager::rec709_to_scene_linear(), and sample_wh().

◆ to_local() [2/2]

template<class T>

ccl_device_inline float3 to_local	(	const T	p,
		const T	X,
		const T	Y,
		const T	Z )

Definition at line 54 of file cycles/util/projection.h.

References ccl_device_inline, dot(), make_float3(), T, X, Y, and Z.

◆ transform_perspective()

CCL_NAMESPACE_END CCL_NAMESPACE_BEGIN ccl_device_inline float3 transform_perspective	(	const ccl_private ProjectionTransform *	t,
		const float3	a )

Definition at line 94 of file cycles/util/projection.h.

References b, ccl_device_inline, ccl_private, dot(), make_float3(), make_float4, w(), float3::x, float3::y, float3::z, and zero_float3().

Referenced by camera_panorama_direction(), camera_sample_custom(), camera_sample_orthographic(), camera_sample_perspective(), camera_world_to_ndc(), EdgeDice::eval_projected(), primitive_motion_vector(), Camera::update(), and Camera::world_to_raster_size().

◆ transform_perspective_deriv()

ccl_device_inline float3 transform_perspective_deriv	(	const ccl_private ProjectionTransform *	t,
		const float3	a,
		const float3	dx,
		const float3	dy,
		ccl_private float3 &	out_dx,
		ccl_private float3 &	out_dy )

Definition at line 116 of file cycles/util/projection.h.

References b, ccl_device_inline, ccl_private, dot(), make_float3(), make_float4, transform_perspective_direction(), w(), float3::x, float3::y, float3::z, and zero_float3().

◆ transform_perspective_direction()

ccl_device_inline float3 transform_perspective_direction	(	const ccl_private ProjectionTransform *	t,
		const float3	a )

Definition at line 104 of file cycles/util/projection.h.

References ccl_device_inline, ccl_private, make_float3(), float3::x, float3::y, and float3::z.

Referenced by camera_sample_custom(), transform_perspective_deriv(), and Camera::update().

Classes

Functions

Function Documentation

◆ direction_to_spherical()

◆ disk_to_hemisphere()

◆ make_projection()

◆ operator*() [1/3]

◆ operator*() [2/3]

◆ operator*() [3/3]

◆ polar_to_cartesian()

◆ print_projection()

◆ projection_identity()

◆ projection_inverse()

◆ projection_orthographic()

◆ projection_perspective()

◆ projection_to_transform()

◆ projection_transpose()

◆ spherical_cos_to_direction()

◆ spherical_to_direction()

◆ to_global() [1/2]

◆ to_global() [2/2]

◆ to_local() [1/2]

◆ to_local() [2/2]

◆ transform_perspective()

◆ transform_perspective_deriv()

◆ transform_perspective_direction()