u_cardboard_distortion_values Struct Reference

Values to create a distortion mesh from cardboard values. More...

#include <util/u_distortion.h>

Collaboration diagram for u_cardboard_distortion_values:

Data Fields
float	distortion_k [5]
	Cardboard distortion k values.
struct {
struct xrt_vec2   size
	Used to transform to and from tanangle space. More...
struct xrt_vec2   offset
	Used to transform to and from tanangle space. More...
}	screen
struct {
struct xrt_vec2   size
	Used to transform to and from tanangle space. More...
struct xrt_vec2   offset
	Used to transform to and from tanangle space. More...
}	texture

Detailed Description

Values to create a distortion mesh from cardboard values.

This matches the formula in the cardboard SDK, while the array is fixed size setting the K value to zero will make it not have a effect.

p' = p (1 + K0 r^2 + K1 r^4 + ... + Kn r^(2n))

Field Documentation

distortion_k

float u_cardboard_distortion_values::distortion_k[5]

Cardboard distortion k values.

Referenced by u_compute_distortion_cardboard(), and u_distortion_cardboard_calculate().

offset

struct xrt_vec2 u_cardboard_distortion_values::offset

Used to transform to and from tanangle space.

Referenced by u_compute_distortion_cardboard(), and u_distortion_cardboard_calculate().

size

struct xrt_vec2 u_cardboard_distortion_values::size

Used to transform to and from tanangle space.

Referenced by u_compute_distortion_cardboard(), and u_distortion_cardboard_calculate().

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The documentation for this struct was generated from the following file:

• auxiliary/util/u_distortion.h