xrt_hmd_parts Struct Reference

All of the device components that deals with interfacing to a users head. More...

#include <xrt/xrt_device.h>

Collaboration diagram for xrt_hmd_parts:

Data Fields
struct {
int   w_pixels
int   h_pixels
uint64_t   nominal_frame_interval_ns
	Nominal frame interval. More...
}	screens [1]
	The hmd screen as an unrotated display, like the HMD presents it to the OS.
struct xrt_view	views [XRT_MAX_VIEWS]
	Display information.
size_t	view_count
enum xrt_blend_mode	blend_modes [XRT_MAX_DEVICE_BLEND_MODES]
	Array of supported blend modes.
size_t	blend_mode_count
struct {
enum xrt_distortion_model   models
	Supported distortion models, a bitfield. More...
enum xrt_distortion_model   preferred
	Preferred disortion model, single value. More...
struct {
float *   vertices
	Data. More...
uint32_t   vertex_count
	Number of vertices. More...
uint32_t   stride
	Stride of vertices. More...
uint32_t   uv_channels_count
	1 or 3 for (chromatic aberration). More...
int *   indices
	Indices, for triangle strip. More...
uint32_t   index_counts [XRT_MAX_VIEWS]
	Number of indices for the triangle strips (one per view). More...
uint32_t   index_offsets [XRT_MAX_VIEWS]
	Offsets for the indices (one offset per view). More...
uint32_t   index_count_total
	Total number of elements in mesh::indices array. More...
}   mesh
struct xrt_fov   fov [XRT_MAX_VIEWS]
	distortion is subject to the field of view More...
}	distortion
	Distortion information.

Detailed Description

All of the device components that deals with interfacing to a users head.

HMD is probably a bad name for the future but for now will have to do.

Field Documentation

blend_modes

enum xrt_blend_mode xrt_hmd_parts::blend_modes[XRT_MAX_DEVICE_BLEND_MODES]

Array of supported blend modes.

Referenced by blubur_s1_hmd_create(), xrt_system_compositor::comp_main_create_system_compositor(), create_hmd(), illixr_hmd_create(), ns_hmd_create(), psvr2_hmd_create(), sample_hmd_create(), sdl_device_init(), svr_hmd_create(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), u_distortion_cardboard_calculate(), and wmr_hmd_create().

[struct]

struct { ... } xrt_hmd_parts::distortion

Distortion information.

Referenced by blubur_s1_hmd_create(), calc_pose_data(), create_hmd(), illixr_hmd_create(), ns_hmd_create(), psvr2_hmd_create(), render_resources::render_resources_init(), sample_hmd_create(), svr_hmd_create(), u_device_dump_config(), u_device_free(), u_device_get_view_poses(), u_device_get_visibility_mask(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), u_distortion_cardboard_calculate(), xrt_device::u_distortion_mesh_fill_in_none(), xrt_device::u_distortion_mesh_set_none(), and wmr_hmd_create().

fov

struct xrt_fov xrt_hmd_parts::fov[XRT_MAX_VIEWS]

distortion is subject to the field of view

Referenced by calc_pose_data(), create_hmd(), ns_hmd_create(), sample_hmd_create(), svr_hmd_create(), u_device_dump_config(), u_device_get_view_poses(), u_device_get_visibility_mask(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), u_distortion_cardboard_calculate(), and wmr_hmd_create().

index_count_total

uint32_t xrt_hmd_parts::index_count_total

Total number of elements in mesh::indices array.

Referenced by render_resources::render_resources_init().

index_counts

uint32_t xrt_hmd_parts::index_counts[XRT_MAX_VIEWS]

Number of indices for the triangle strips (one per view).

Referenced by render_resources::render_resources_init().

index_offsets

uint32_t xrt_hmd_parts::index_offsets[XRT_MAX_VIEWS]

Offsets for the indices (one offset per view).

Referenced by render_resources::render_resources_init().

indices

int* xrt_hmd_parts::indices

Indices, for triangle strip.

Referenced by render_resources::render_resources_init(), and u_device_free().

models

enum xrt_distortion_model xrt_hmd_parts::models

Supported distortion models, a bitfield.

Referenced by blubur_s1_hmd_create(), create_hmd(), ns_hmd_create(), psvr2_hmd_create(), svr_hmd_create(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), xrt_device::u_distortion_mesh_fill_in_none(), xrt_device::u_distortion_mesh_set_none(), and wmr_hmd_create().

nominal_frame_interval_ns

uint64_t xrt_hmd_parts::nominal_frame_interval_ns

Nominal frame interval.

Referenced by blubur_s1_hmd_create(), CDeviceDriver_Monado::CDeviceDriver_Monado(), comp_settings_init(), create_hmd(), psvr2_hmd_create(), sample_hmd_create(), sdl_device_init(), svr_hmd_create(), and xreal_air_hmd_create_device().

preferred

enum xrt_distortion_model xrt_hmd_parts::preferred

Preferred disortion model, single value.

Referenced by blubur_s1_hmd_create(), create_hmd(), illixr_hmd_create(), ns_hmd_create(), psvr2_hmd_create(), svr_hmd_create(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), xrt_device::u_distortion_mesh_fill_in_none(), and wmr_hmd_create().

[struct]

struct { ... } xrt_hmd_parts::screens[1]

The hmd screen as an unrotated display, like the HMD presents it to the OS.

This field is used by Compositor to setup the extended mode window.

Referenced by blubur_s1_hmd_create(), CDeviceDriver_Monado::CDeviceDriver_Monado(), comp_settings_init(), create_hmd(), psvr2_hmd_create(), sample_hmd_create(), sdl_device_init(), svr_hmd_create(), u_device_dump_config(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), u_distortion_cardboard_calculate(), u_extents_2d_split_side_by_side(), and xreal_air_hmd_create_device().

stride

uint32_t xrt_hmd_parts::stride

Stride of vertices.

Referenced by render_resources::render_resources_init().

uv_channels_count

uint32_t xrt_hmd_parts::uv_channels_count

1 or 3 for (chromatic aberration).

vertex_count

uint32_t xrt_hmd_parts::vertex_count

Number of vertices.

Referenced by render_resources::render_resources_init().

vertices

float* xrt_hmd_parts::vertices

Data.

Referenced by render_resources::render_resources_init(), and u_device_free().

views

struct xrt_view xrt_hmd_parts::views[XRT_MAX_VIEWS]

Display information.

For now hardcoded display to two.

Referenced by blubur_s1_hmd_create(), xrt_system_compositor::comp_main_create_system_compositor(), CDeviceDriver_Monado::ComputeDistortion(), create_hmd(), sample_hmd_create(), u_device_dump_config(), u_device_get_view_poses(), u_device_setup_one_eye(), u_device_setup_split_side_by_side(), u_distortion_cardboard_calculate(), and u_extents_2d_split_side_by_side().

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

• xrt/xrt_device.h