Tachyon OptiX global launch parameter structure containing the active camera, framebuffer, materials, and any global scene parameters required for shading. More...

#include <TachyonOptiXShaders.h>

Data Fields
struct {
int2 size
	framebuffer size More...

int subframe_index
	accumulation subframe index More...

int update_colorbuffer
	accumulation copyout flag More...

int fb_clearall
	clear/overwrite all FB components More...

int colorspace
	output colorspace More...

int tonemap_mode
	output tone mapping mode More...

float tonemap_exposure
	tone mapping exposure gain parameter More...

uchar4 * framebuffer
	8-bit unorm RGBA framebuffer More...

float accum_normalize
	precalc 1.0f / subframe_index More...

float4 * accum_buffer
	32-bit FP RGBA accumulation buffer More...

}	frame

struct {
float3 bg_color
	miss background color More...

float3 bg_color_grad_top
	miss background gradient (top) More...

float3 bg_color_grad_bot
	miss background gradient (bottom) More...

float3 bg_grad_updir
	miss background gradient up direction More...

float bg_grad_topval
	miss background gradient top value More...

float bg_grad_botval
	miss background gradient bottom value More...

float bg_grad_invrange
	miss background gradient inverse range More...

float bg_grad_noisemag
	miss background gradient noise magnitude More...

int fog_mode
	fog type (or off) More...

float fog_start
	radial/linear fog start distance More...

float fog_end
	radial/linear fog end/max distance More...

float fog_density
	exponential fog density More...

float epsilon
	global epsilon value More...

}	scene

struct {
int shadows_enabled
	global shadow flag More...

int ao_samples
	number of AO samples per AA ray More...

float ao_lightscale
	2.0f/float(ao_samples) More...

float ao_ambient
	AO ambient factor. More...

float ao_direct
	AO direct lighting scaling factor. More...

float ao_maxdist
	AO maximum occlusion distance. More...

int headlight_mode
	Extra VR camera-located headlight. More...

int num_dir_lights
	directional light count More...

float3 * dir_lights
	list of directional light directions More...

int num_pos_lights
	positional light count More...

float3 * pos_lights
	list of positional light positions More...

}	lights

struct {
float3 pos
	camera position More...

float3 U
	camera orthonormal U (right) axis More...

float3 V
	camera orthonormal V (up) axis More...

float3 W
	camera orthonormal W (view) axis More...

float zoom
	camera zoom factor More...

int dof_enabled
	DoF (defocus blur) on/off. More...

float dof_aperture_rad
	DoF (defocus blur) aperture radius. More...

float dof_focal_dist
	DoF focal plane distance. More...

int stereo_enabled
	stereo rendering on/off More...

float stereo_eyesep
	stereo eye separation, in world coords More...

float stereo_convergence_dist
	stereo convergence distance (world) More...

}	cam

int	clipview_mode
	VR clipping view on/off. More...

float	clipview_start
	clipping sphere/plane start coord More...

float	clipview_end
	clipping sphere/plane end coord More...

rt_material *	materials
	device memory material array More...

int	max_depth
	global max ray tracing recursion depth More...

int	max_trans
	max transparent surface crossing count More...

int	aa_samples
	AA samples per launch. More...

OptixTraversableHandle	traversable
	global OptiX scene traversable handle More...

Detailed Description

Tachyon OptiX global launch parameter structure containing the active camera, framebuffer, materials, and any global scene parameters required for shading.

Definition at line 392 of file TachyonOptiXShaders.h.

Field Documentation

◆ aa_samples

int tachyonLaunchParams::aa_samples

AA samples per launch.

Definition at line 471 of file TachyonOptiXShaders.h.

Referenced by TachyonOptiX::render(), tachyon_camera_cubemap_general(), tachyon_camera_dome_general(), tachyon_camera_equirectangular_general(), tachyon_camera_octahedral_general(), tachyon_camera_oculus_rift_general(), tachyon_camera_orthographic_general(), and tachyon_camera_perspective_general().

◆ accum_buffer

float4* tachyonLaunchParams::accum_buffer

32-bit FP RGBA accumulation buffer

Definition at line 410 of file TachyonOptiXShaders.h.

Referenced by accumulate_color().

◆ accum_normalize

float tachyonLaunchParams::accum_normalize

precalc 1.0f / subframe_index

Definition at line 409 of file TachyonOptiXShaders.h.

Referenced by accumulate_color(), TachyonOptiX::framebuffer_clear(), and TachyonOptiX::render().

◆ ao_ambient

float tachyonLaunchParams::ao_ambient

AO ambient factor.

Definition at line 438 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ ao_direct

float tachyonLaunchParams::ao_direct

AO direct lighting scaling factor.

Definition at line 439 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ ao_lightscale

float tachyonLaunchParams::ao_lightscale

2.0f/float(ao_samples)

Definition at line 437 of file TachyonOptiXShaders.h.

Referenced by shade_ambient_occlusion().

◆ ao_maxdist

float tachyonLaunchParams::ao_maxdist

AO maximum occlusion distance.

Definition at line 440 of file TachyonOptiXShaders.h.

Referenced by shade_ambient_occlusion().

◆ ao_samples

int tachyonLaunchParams::ao_samples

number of AO samples per AA ray

Definition at line 436 of file TachyonOptiXShaders.h.

Referenced by shade_ambient_occlusion(), and shader_template().

◆ bg_color

float3 tachyonLaunchParams::bg_color

miss background color

Definition at line 419 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_solid_bg(), fog_color(), and shader_template().

◆ bg_color_grad_bot

float3 tachyonLaunchParams::bg_color_grad_bot

miss background gradient (bottom)

Definition at line 421 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_gradient_bg_sky_plane(), and __miss__radiance_gradient_bg_sky_sphere().

◆ bg_color_grad_top

float3 tachyonLaunchParams::bg_color_grad_top

miss background gradient (top)

Definition at line 420 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_gradient_bg_sky_plane(), and __miss__radiance_gradient_bg_sky_sphere().

◆ bg_grad_botval

float tachyonLaunchParams::bg_grad_botval

miss background gradient bottom value

Definition at line 424 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_gradient_bg_sky_plane(), and __miss__radiance_gradient_bg_sky_sphere().

◆ bg_grad_invrange

float tachyonLaunchParams::bg_grad_invrange

miss background gradient inverse range

Definition at line 425 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_gradient_bg_sky_plane(), and __miss__radiance_gradient_bg_sky_sphere().

◆ bg_grad_noisemag

float tachyonLaunchParams::bg_grad_noisemag

miss background gradient noise magnitude

Definition at line 426 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_gradient_bg_sky_plane(), and __miss__radiance_gradient_bg_sky_sphere().

◆ bg_grad_topval

float tachyonLaunchParams::bg_grad_topval

miss background gradient top value

Definition at line 423 of file TachyonOptiXShaders.h.

◆ bg_grad_updir

float3 tachyonLaunchParams::bg_grad_updir

miss background gradient up direction

Definition at line 422 of file TachyonOptiXShaders.h.

Referenced by __miss__radiance_gradient_bg_sky_plane(), and __miss__radiance_gradient_bg_sky_sphere().

◆ cam

struct { ... } tachyonLaunchParams::cam

Referenced by any_hit_shadow_clip_sphere(), fog_coord(), TachyonOptiX::set_camera_lookat(), shader_template(), tachyon_camera_cubemap_general(), tachyon_camera_dome_general(), tachyon_camera_equirectangular_general(), tachyon_camera_octahedral_general(), tachyon_camera_oculus_rift_general(), tachyon_camera_orthographic_general(), and tachyon_camera_perspective_general().

◆ clipview_end

float tachyonLaunchParams::clipview_end

clipping sphere/plane end coord

Definition at line 465 of file TachyonOptiXShaders.h.

Referenced by any_hit_shadow_clip_sphere(), and shader_template().

◆ clipview_mode

int tachyonLaunchParams::clipview_mode

VR clipping view on/off.

Definition at line 463 of file TachyonOptiXShaders.h.

Referenced by any_hit_shadow_clip_sphere(), and shader_template().

◆ clipview_start

float tachyonLaunchParams::clipview_start

clipping sphere/plane start coord

Definition at line 464 of file TachyonOptiXShaders.h.

Referenced by any_hit_shadow_clip_sphere(), and shader_template().

◆ colorspace

int tachyonLaunchParams::colorspace

output colorspace

Definition at line 398 of file TachyonOptiXShaders.h.

Referenced by accumulate_color().

◆ dir_lights

float3* tachyonLaunchParams::dir_lights

list of directional light directions

Definition at line 443 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ dof_aperture_rad

float tachyonLaunchParams::dof_aperture_rad

DoF (defocus blur) aperture radius.

Definition at line 455 of file TachyonOptiXShaders.h.

◆ dof_enabled

int tachyonLaunchParams::dof_enabled

DoF (defocus blur) on/off.

Definition at line 454 of file TachyonOptiXShaders.h.

◆ dof_focal_dist

float tachyonLaunchParams::dof_focal_dist

DoF focal plane distance.

Definition at line 456 of file TachyonOptiXShaders.h.

◆ epsilon

float tachyonLaunchParams::epsilon

global epsilon value

Definition at line 431 of file TachyonOptiXShaders.h.

Referenced by __intersection__quadmesh(), and quad_calc_bilinear_coords().

◆ fb_clearall

int tachyonLaunchParams::fb_clearall

clear/overwrite all FB components

Definition at line 397 of file TachyonOptiXShaders.h.

Referenced by accumulate_color(), TachyonOptiX::framebuffer_clear(), and TachyonOptiX::render().

◆ fog_density

float tachyonLaunchParams::fog_density

exponential fog density

Definition at line 430 of file TachyonOptiXShaders.h.

◆ fog_end

float tachyonLaunchParams::fog_end

radial/linear fog end/max distance

Definition at line 429 of file TachyonOptiXShaders.h.

◆ fog_mode

int tachyonLaunchParams::fog_mode

fog type (or off)

Definition at line 427 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ fog_start

float tachyonLaunchParams::fog_start

radial/linear fog start distance

Definition at line 428 of file TachyonOptiXShaders.h.

◆ frame

struct { ... } tachyonLaunchParams::frame

Referenced by __anyhit__shadow_transmission(), __exception__all(), __miss__radiance_gradient_bg_sky_plane(), __miss__radiance_gradient_bg_sky_sphere(), __miss__radiance_solid_bg(), accumulate_color(), any_hit_shadow_clip_sphere(), TachyonOptiX::framebuffer_clear(), TachyonOptiX::print_raystats_info(), TachyonOptiX::render(), shade_light(), shader_template(), and subframe_count().

◆ framebuffer

uchar4* tachyonLaunchParams::framebuffer

8-bit unorm RGBA framebuffer

Definition at line 401 of file TachyonOptiXShaders.h.

Referenced by __exception__all(), and accumulate_color().

◆ headlight_mode

int tachyonLaunchParams::headlight_mode

Extra VR camera-located headlight.

Definition at line 441 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ lights

struct { ... } tachyonLaunchParams::lights

Referenced by shade_ambient_occlusion(), shade_light(), and shader_template().

◆ materials

rt_material* tachyonLaunchParams::materials

device memory material array

Definition at line 467 of file TachyonOptiXShaders.h.

Referenced by __anyhit__shadow_transmission(), __closesthit__radiance_general(), any_hit_shadow_clip_sphere(), and get_shadevars_trimesh().

◆ max_depth

int tachyonLaunchParams::max_depth

global max ray tracing recursion depth

Definition at line 469 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ max_trans

int tachyonLaunchParams::max_trans

max transparent surface crossing count

Definition at line 470 of file TachyonOptiXShaders.h.

Referenced by tachyon_camera_cubemap_general(), tachyon_camera_dome_general(), tachyon_camera_equirectangular_general(), tachyon_camera_octahedral_general(), tachyon_camera_oculus_rift_general(), tachyon_camera_orthographic_general(), and tachyon_camera_perspective_general().

◆ num_dir_lights

int tachyonLaunchParams::num_dir_lights

directional light count

Definition at line 442 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ num_pos_lights

int tachyonLaunchParams::num_pos_lights

positional light count

Definition at line 444 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ pos

float3 tachyonLaunchParams::pos

camera position

Definition at line 449 of file TachyonOptiXShaders.h.

Referenced by any_hit_shadow_clip_sphere(), TachyonOptiX::set_camera_lookat(), shader_template(), tachyon_camera_orthographic_general(), and tachyon_camera_perspective_general().

◆ pos_lights

float3* tachyonLaunchParams::pos_lights

list of positional light positions

Definition at line 445 of file TachyonOptiXShaders.h.

Referenced by shader_template().

◆ scene

struct { ... } tachyonLaunchParams::scene

Referenced by __intersection__quadmesh(), __miss__radiance_gradient_bg_sky_plane(), __miss__radiance_gradient_bg_sky_sphere(), __miss__radiance_solid_bg(), fog_color(), fog_coord(), quad_calc_bilinear_coords(), and shader_template().

◆ shadows_enabled

int tachyonLaunchParams::shadows_enabled

global shadow flag

Definition at line 435 of file TachyonOptiXShaders.h.

Referenced by shade_light().

◆ size

int2 tachyonLaunchParams::size

framebuffer size

Definition at line 394 of file TachyonOptiXShaders.h.

Referenced by __exception__all(), TachyonOptiX::print_raystats_info(), and TachyonOptiX::render().

◆ stereo_convergence_dist

float tachyonLaunchParams::stereo_convergence_dist

stereo convergence distance (world)

Definition at line 459 of file TachyonOptiXShaders.h.

◆ stereo_enabled

int tachyonLaunchParams::stereo_enabled

stereo rendering on/off

Definition at line 457 of file TachyonOptiXShaders.h.

◆ stereo_eyesep

float tachyonLaunchParams::stereo_eyesep

stereo eye separation, in world coords

Definition at line 458 of file TachyonOptiXShaders.h.

Referenced by tachyon_camera_dome_general(), tachyon_camera_equirectangular_general(), tachyon_camera_octahedral_general(), and tachyon_camera_oculus_rift_general().

◆ subframe_index

int tachyonLaunchParams::subframe_index

accumulation subframe index

Definition at line 395 of file TachyonOptiXShaders.h.

Referenced by TachyonOptiX::framebuffer_clear(), TachyonOptiX::render(), and subframe_count().

◆ tonemap_exposure

float tachyonLaunchParams::tonemap_exposure

tone mapping exposure gain parameter

Definition at line 400 of file TachyonOptiXShaders.h.

Referenced by accumulate_color().

◆ tonemap_mode

int tachyonLaunchParams::tonemap_mode

output tone mapping mode

Definition at line 399 of file TachyonOptiXShaders.h.

Referenced by accumulate_color().

◆ traversable

OptixTraversableHandle tachyonLaunchParams::traversable

global OptiX scene traversable handle

Definition at line 473 of file TachyonOptiXShaders.h.

Referenced by shade_ambient_occlusion(), shade_light(), shader_template(), tachyon_camera_cubemap_general(), tachyon_camera_dome_general(), tachyon_camera_equirectangular_general(), tachyon_camera_octahedral_general(), tachyon_camera_oculus_rift_general(), tachyon_camera_orthographic_general(), and tachyon_camera_perspective_general().

◆ U

float3 tachyonLaunchParams::U

camera orthonormal U (right) axis

Definition at line 450 of file TachyonOptiXShaders.h.

Referenced by TachyonOptiX::set_camera_lookat().

◆ update_colorbuffer

int tachyonLaunchParams::update_colorbuffer

accumulation copyout flag

Definition at line 396 of file TachyonOptiXShaders.h.

Referenced by accumulate_color(), and TachyonOptiX::render().

◆ V

float3 tachyonLaunchParams::V

camera orthonormal V (up) axis

Definition at line 451 of file TachyonOptiXShaders.h.

Referenced by TachyonOptiX::set_camera_lookat().

◆ W

float3 tachyonLaunchParams::W

camera orthonormal W (view) axis

Definition at line 452 of file TachyonOptiXShaders.h.

Referenced by fog_coord(), and TachyonOptiX::set_camera_lookat().

◆ zoom

float tachyonLaunchParams::zoom

camera zoom factor

Definition at line 453 of file TachyonOptiXShaders.h.

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

TachyonOptiXShaders.h

Data Fields

Detailed Description

Field Documentation

◆ aa_samples

◆ accum_buffer

◆ accum_normalize

◆ ao_ambient

◆ ao_direct

◆ ao_lightscale

◆ ao_maxdist

◆ ao_samples

◆ bg_color

◆ bg_color_grad_bot

◆ bg_color_grad_top

◆ bg_grad_botval

◆ bg_grad_invrange

◆ bg_grad_noisemag

◆ bg_grad_topval

◆ bg_grad_updir

◆ cam

◆ clipview_end

◆ clipview_mode

◆ clipview_start

◆ colorspace

◆ dir_lights

◆ dof_aperture_rad

◆ dof_enabled

◆ dof_focal_dist

◆ epsilon

◆ fb_clearall

◆ fog_density

◆ fog_end

◆ fog_mode

◆ fog_start

◆ frame

◆ framebuffer

◆ headlight_mode

◆ lights

◆ materials

◆ max_depth

◆ max_trans

◆ num_dir_lights

◆ num_pos_lights

◆ pos

◆ pos_lights

◆ scene

◆ shadows_enabled

◆ size

◆ stereo_convergence_dist

◆ stereo_enabled

◆ stereo_eyesep

◆ subframe_index

◆ tonemap_exposure

◆ tonemap_mode

◆ traversable

◆ U

◆ update_colorbuffer

◆ V

◆ W

◆ zoom