projection.h File Reference

#include "kernel/types.h"
#include "util/math.h"
#include "util/types.h"

Go to the source code of this file.

Functions
CCL_NAMESPACE_BEGIN ccl_device float2	direction_to_equirectangular_range (const float3 dir, const float4 range)
ccl_device float3	equirectangular_range_to_direction (const float u, const float v, const float4 range)
ccl_device float2	direction_to_equirectangular (const float3 dir)
ccl_device float3	equirectangular_to_direction (const float u, const float v)
ccl_device float2	direction_to_central_cylindrical (const float3 dir, const float4 range)
ccl_device float3	central_cylindrical_to_direction (const float u, const float v, const float4 range)
ccl_device_inline float3	fisheye_to_direction (const float theta, const float u, float v, const float r)
ccl_device float2	direction_to_fisheye_equidistant (const float3 dir, const float fov)
ccl_device float3	fisheye_equidistant_to_direction (float u, float v, float fov)
ccl_device float2	direction_to_fisheye_equisolid (const float3 dir, const float lens, const float width, const float height)
ccl_device_inline float3	fisheye_equisolid_to_direction (float u, float v, float lens, const float fov, const float width, const float height)
ccl_device_inline float3	fisheye_lens_polynomial_to_direction (float u, float v, float coeff0, const float4 coeffs, const float fov, const float width, const float height)
ccl_device float2	direction_to_fisheye_lens_polynomial (float3 dir, const float coeff0, const float4 coeffs, const float width, const float height)
ccl_device float3	mirrorball_to_direction (const float u, const float v)
ccl_device float2	direction_to_mirrorball (float3 dir)
ccl_device float3	equiangular_cubemap_face_to_direction (float u, float v)
ccl_device float2	direction_to_equiangular_cubemap_face (const float3 dir)
ccl_device_inline float3	panorama_to_direction (ccl_constant KernelCamera *cam, const float u, float v)
ccl_device_inline float2	direction_to_panorama (ccl_constant KernelCamera *cam, const float3 dir)
ccl_device_inline void	spherical_stereo_transform (ccl_constant KernelCamera *cam, ccl_private float3 *P, ccl_private float3 *D)

Function Documentation

central_cylindrical_to_direction()

ccl_device float3 central_cylindrical_to_direction	(	const float	u,
		const float	v,
		const float4	range )

Definition at line 59 of file cycles/kernel/camera/projection.h.

References ccl_device, cosf, make_float3(), mix, sinf, v, float4::w, float4::x, float4::y, float4::z, and z().

Referenced by panorama_to_direction().

direction_to_central_cylindrical()

ccl_device float2 direction_to_central_cylindrical	(	const float3	dir,
		const float4	range )

Definition at line 50 of file cycles/kernel/camera/projection.h.

References atan2f, ccl_device, inverse_lerp(), len, make_float2, v, float4::w, float3::x, float4::x, float3::y, float4::y, float3::z, float4::z, and z().

Referenced by direction_to_panorama().

direction_to_equiangular_cubemap_face()

ccl_device float2 direction_to_equiangular_cubemap_face

(

const float3

dir

)

Definition at line 247 of file cycles/kernel/camera/projection.h.

References atan2f, ccl_device, M_PI_F, make_float2, v, float3::x, float3::y, and float3::z.

Referenced by direction_to_panorama(), and EquiangularCubemapFace::direction_to_sensor().

direction_to_equirectangular()

ccl_device float2 direction_to_equirectangular

(

const float3

dir

)

Definition at line 40 of file cycles/kernel/camera/projection.h.

References ccl_device, direction_to_equirectangular_range(), M_2PI_F, M_PI_F, and make_float4.

Referenced by background_map_pdf(), Equirectangular::direction_to_sensor(), and svm_node_tex_environment().

direction_to_equirectangular_range()

CCL_NAMESPACE_BEGIN ccl_device float2 direction_to_equirectangular_range	(	const float3	dir,
		const float4	range )

Definition at line 19 of file cycles/kernel/camera/projection.h.

References acosf, atan2f, ccl_device, is_zero(), len, make_float2, v, float4::w, float3::x, float4::x, float3::y, float4::y, float3::z, float4::z, and zero_float2().

Referenced by direction_to_equirectangular(), and direction_to_panorama().

direction_to_fisheye_equidistant()

ccl_device float2 direction_to_fisheye_equidistant	(	const float3	dir,
		const float	fov )

Definition at line 83 of file cycles/kernel/camera/projection.h.

References atan2f, ccl_device, len, make_float2, safe_normalize(), float2::x, float3::x, float2::y, float3::y, and float3::z.

Referenced by direction_to_panorama(), and FisheyeEquidistant::direction_to_sensor().

direction_to_fisheye_equisolid()

ccl_device float2 direction_to_fisheye_equisolid	(	const float3	dir,
		const float	lens,
		const float	width,
		const float	height )

Definition at line 106 of file cycles/kernel/camera/projection.h.

References ccl_device, make_float2, safe_acosf(), safe_normalize(), sinf, float2::x, float3::x, float2::y, float3::y, and float3::z.

Referenced by direction_to_panorama(), and FisheyeEquisolid::direction_to_sensor().

direction_to_fisheye_lens_polynomial()

ccl_device float2 direction_to_fisheye_lens_polynomial	(	float3	dir,
		const float	coeff0,
		const float4	coeffs,
		const float	width,
		const float	height )

Definition at line 159 of file cycles/kernel/camera/projection.h.

References ccl_device, dot(), fabsf, i, make_float2, make_float4, safe_acosf(), safe_normalize(), float2::x, float3::x, float4::x, float2::y, float3::y, and float3::z.

Referenced by direction_to_panorama(), TEST(), and TEST().

direction_to_mirrorball()

ccl_device float2 direction_to_mirrorball

(

float3

dir

)

Definition at line 221 of file cycles/kernel/camera/projection.h.

References ccl_device, make_float2, max, sqrtf, v, float3::x, float3::y, and float3::z.

Referenced by direction_to_panorama(), MirrorBall::direction_to_sensor(), and svm_node_tex_environment().

direction_to_panorama()

ccl_device_inline float2 direction_to_panorama	(	ccl_constant KernelCamera *	cam,
		const float3	dir )

Definition at line 285 of file cycles/kernel/camera/projection.h.

References ccl_constant, ccl_device_inline, direction_to_central_cylindrical(), direction_to_equiangular_cubemap_face(), direction_to_equirectangular_range(), direction_to_fisheye_equidistant(), direction_to_fisheye_equisolid(), direction_to_fisheye_lens_polynomial(), direction_to_mirrorball(), PANORAMA_CENTRAL_CYLINDRICAL, PANORAMA_EQUIANGULAR_CUBEMAP_FACE, PANORAMA_EQUIRECTANGULAR, PANORAMA_FISHEYE_EQUIDISTANT, PANORAMA_FISHEYE_EQUISOLID, PANORAMA_FISHEYE_LENS_POLYNOMIAL, and PANORAMA_MIRRORBALL.

Referenced by camera_world_to_ndc(), primitive_motion_vector(), and Camera::world_to_raster_size().

equiangular_cubemap_face_to_direction()

ccl_device float3 equiangular_cubemap_face_to_direction	(	float	u,
		float	v )

Definition at line 239 of file cycles/kernel/camera/projection.h.

References ccl_device, M_PI_2_F, make_float3(), normalize, tanf, and v.

Referenced by panorama_to_direction(), and EquiangularCubemapFace::sensor_to_direction().

equirectangular_range_to_direction()

ccl_device float3 equirectangular_range_to_direction	(	const float	u,
		const float	v,
		const float4	range )

Definition at line 31 of file cycles/kernel/camera/projection.h.

References ccl_device, spherical_to_direction(), v, float4::w, float4::x, float4::y, and float4::z.

Referenced by equirectangular_to_direction(), and panorama_to_direction().

equirectangular_to_direction()

ccl_device float3 equirectangular_to_direction	(	const float	u,
		const float	v )

Definition at line 45 of file cycles/kernel/camera/projection.h.

References ccl_device, equirectangular_range_to_direction(), M_2PI_F, M_PI_F, make_float4, and v.

Referenced by background_map_sample(), kernel_background_evaluate(), and Equirectangular::sensor_to_direction().

fisheye_equidistant_to_direction()

ccl_device float3 fisheye_equidistant_to_direction	(	float	u,
		float	v,
		float	fov )

Definition at line 90 of file cycles/kernel/camera/projection.h.

References ccl_device, fisheye_to_direction(), sqrtf, v, and zero_float3().

Referenced by panorama_to_direction(), and FisheyeEquidistant::sensor_to_direction().

fisheye_equisolid_to_direction()

ccl_device_inline float3 fisheye_equisolid_to_direction	(	float	u,
		float	v,
		float	lens,
		const float	fov,
		const float	width,
		const float	height )

Definition at line 118 of file cycles/kernel/camera/projection.h.

References asinf, ccl_device_inline, fisheye_to_direction(), sinf, sqrtf, v, and zero_float3().

Referenced by panorama_to_direction(), and FisheyeEquisolid::sensor_to_direction().

fisheye_lens_polynomial_to_direction()

ccl_device_inline float3 fisheye_lens_polynomial_to_direction	(	float	u,
		float	v,
		float	coeff0,
		const float4	coeffs,
		const float	fov,
		const float	width,
		const float	height )

Definition at line 136 of file cycles/kernel/camera/projection.h.

References ccl_device_inline, dot(), fabsf, fisheye_to_direction(), make_float4, sqrtf, v, and zero_float3().

Referenced by panorama_to_direction(), TEST(), TEST(), and TEST().

fisheye_to_direction()

ccl_device_inline float3 fisheye_to_direction	(	const float	theta,
		const float	u,
		float	v,
		const float	r )

Definition at line 70 of file cycles/kernel/camera/projection.h.

References ccl_device_inline, cosf, make_float3(), safe_acosf(), safe_divide(), sinf, and v.

Referenced by fisheye_equidistant_to_direction(), fisheye_equisolid_to_direction(), and fisheye_lens_polynomial_to_direction().

mirrorball_to_direction()

ccl_device float3 mirrorball_to_direction	(	const float	u,
		const float	v )

Definition at line 201 of file cycles/kernel/camera/projection.h.

References ccl_device, dot(), I, make_float3(), max, sqrtf, v, float3::x, float3::y, float3::z, and zero_float3().

Referenced by panorama_to_direction(), and MirrorBall::sensor_to_direction().

panorama_to_direction()

ccl_device_inline float3 panorama_to_direction	(	ccl_constant KernelCamera *	cam,
		const float	u,
		float	v )

Definition at line 255 of file cycles/kernel/camera/projection.h.

References ccl_constant, ccl_device_inline, central_cylindrical_to_direction(), equiangular_cubemap_face_to_direction(), equirectangular_range_to_direction(), fisheye_equidistant_to_direction(), fisheye_equisolid_to_direction(), fisheye_lens_polynomial_to_direction(), mirrorball_to_direction(), PANORAMA_CENTRAL_CYLINDRICAL, PANORAMA_EQUIANGULAR_CUBEMAP_FACE, PANORAMA_EQUIRECTANGULAR, PANORAMA_FISHEYE_EQUIDISTANT, PANORAMA_FISHEYE_EQUISOLID, PANORAMA_FISHEYE_LENS_POLYNOMIAL, PANORAMA_MIRRORBALL, and v.

Referenced by camera_panorama_direction().

spherical_stereo_transform()

ccl_device_inline void spherical_stereo_transform	(	ccl_constant KernelCamera *	cam,
		ccl_private float3 *	P,
		ccl_private float3 *	D )

Definition at line 311 of file cycles/kernel/camera/projection.h.

References ccl_constant, ccl_device_inline, ccl_private, cosf, cross, D, fabsf, fade(), FLT_MAX, kernel_assert, M_PI_2_F, make_float3(), normalize, P, and safe_asinf().

Referenced by camera_sample_perspective(), and camera_sample_to_ray().