TachyonOptiXShaders.cu File Reference

Tachyon ray tracing engine core routines compiled to PTX for runtime JIT to build complete ray tracing pipelines. More...

#include <optix.h>
#include <stdint.h>
#include "TachyonOptiXShaders.h"

Go to the source code of this file.

Data Structures
struct	PerRayData_radiance

Macros
#define	TACHYON_INTERNAL   1
#define	TACHYON_USE_RAY_STEP   1
#define	TACHYON_TRANS_USE_INCIDENT   1
#define	TACHYON_RAY_STEP   N*rtLaunch.scene.epsilon*4.0f
#define	TACHYON_RAY_STEP2   ray_direction*rtLaunch.scene.epsilon*4.0f
#define	REVERSE_RAY_STEP   (scene_epsilon*10.0f)
#define	REVERSE_RAY_LENGTH   3.0f
#define	TACHYON_USE_SPHERES_HEARNBAKER   1

Functions
static __device__ __inline__ int	tachyon1DLaunchIndex (void)
	Helper function to return 1-D framebuffer offset computed from the current thread's launch_index. More...
static __device__ __inline__ int	tachyon1DLaunchIndex (uint3 dim, uint3 index)
	Helper function to return 1-D framebuffer offset computed from the current thread's launch_index. More...
static __forceinline__ __device__ void *	unpackPointer (uint32_t i0, uint32_t i1)
static __forceinline__ __device__ void	packPointer (void *ptr, uint32_t &i0, uint32_t &i1)
template<typename T >
static __forceinline__ __device__ T *	getPRD ()
static __forceinline__ __device__ uint32_t	getPayloadAAsample ()
	radiance PRD aasample count is stored in ray payload register 2 More...
static __forceinline__ __device__ float	getPayloadShadowAttenuation ()
	any-hit programs read-modify-update shadow attenuation value carried in ray payload register 0 More...
static __forceinline__ __device__ void	setPayloadShadowAttenuation (const float attenuation)
	any-hit programs read-modify-update shadow attenuation value carried in ray payload register 0 More...
static int __forceinline__ __device__	subframe_count ()
__device__ void	sphere_fade_and_clip (const float3 &hit_point, const float3 &cam_pos, float fade_start, float fade_end, float &alpha)
__device__ void	ray_sphere_clip_interval (float3 ray_origin, float3 ray_direction, float3 center, float rad, float2 &tinterval)
__device__ void	clip_ray_by_plane (float3 ray_origin, float3 ray_direction, float &tmin, float &tmax, const float4 plane)
__global__ void	__exception__all ()
__global__ void	__closesthit__shadow_nop ()
__global__ void	__miss__shadow_nop ()
__global__ void	__anyhit__shadow_opaque ()
__global__ void	__anyhit__shadow_transmission ()
__global__ void	any_hit_shadow_clip_sphere ()
__global__ void	__anyhit__radiance_nop ()
__global__ void	__miss__radiance_solid_bg ()
__global__ void	__miss__radiance_gradient_bg_sky_sphere ()
__global__ void	__miss__radiance_gradient_bg_sky_plane ()
static void __inline__ __device__	accumulate_color (int idx, float4 colrgba4f)
static __device__ __inline__ void	dof_ray (const float cam_dof_focal_dist, const float cam_dof_aperture_rad, const float3 &ray_origin_orig, float3 &ray_origin, const float3 &ray_direction_orig, float3 &ray_direction, unsigned int &randseed, const float3 &up, const float3 &right)
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_perspective_general ()
__global__ void	__raygen__camera_perspective ()
__global__ void	__raygen__camera_perspective_dof ()
__global__ void	__raygen__camera_perspective_stereo ()
__global__ void	__raygen__camera_perspective_stereo_dof ()
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_orthographic_general ()
__global__ void	__raygen__camera_orthographic ()
__global__ void	__raygen__camera_orthographic_dof ()
__global__ void	__raygen__camera_orthographic_stereo ()
__global__ void	__raygen__camera_orthographic_stereo_dof ()
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_cubemap_general ()
__global__ void	__raygen__camera_cubemap ()
__global__ void	__raygen__camera_cubemap_dof ()
__global__ void	__raygen__camera_cubemap_stereo ()
__global__ void	__raygen__camera_cubemap_stereo_dof ()
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_dome_general ()
__global__ void	__raygen__camera_dome_master ()
__global__ void	__raygen__camera_dome_master_dof ()
__global__ void	__raygen__camera_dome_master_stereo ()
__global__ void	__raygen__camera_dome_master_stereo_dof ()
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_equirectangular_general ()
__global__ void	__raygen__camera_equirectangular ()
__global__ void	__raygen__camera_equirectangular_dof ()
__global__ void	__raygen__camera_equirectangular_stereo ()
__global__ void	__raygen__camera_equirectangular_stereo_dof ()
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_octahedral_general ()
__global__ void	__raygen__camera_octahedral ()
__global__ void	__raygen__camera_octahedral_dof ()
__global__ void	__raygen__camera_octahedral_stereo ()
__global__ void	__raygen__camera_octahedral_stereo_dof ()
template<int STEREO_ON, int DOF_ON>
static __device__ __inline__ void	tachyon_camera_oculus_rift_general ()
__global__ void	__raygen__camera_oculus_rift ()
__global__ void	__raygen__camera_oculus_rift_dof ()
__global__ void	__raygen__camera_oculus_rift_stereo ()
__global__ void	__raygen__camera_oculus_rift_stereo_dof ()
__global__ void	__raygen__UNKNOWN ()
static __inline__ __device__ float3	calc_ffworld_normal (const float3 &Nshading, const float3 &Ngeometric)
__global__ void	__intersection__cone_array_color ()
static __host__ __device__ __inline__ void	get_shadevars_cone_array (const GeomSBTHG &sbtHG, float3 &shading_normal)
__global__ void	__intersection__cylinder_array_color ()
static __host__ __device__ __inline__ void	get_shadevars_cylinder_array (const GeomSBTHG &sbtHG, float3 &shading_normal)
__global__ void	__intersection__quadmesh ()
static __host__ __device__ __inline__ void	quad_calc_barycentrics_v11 (const GeomSBTHG &sbtHG, float &alpha11, float &beta11)
static __host__ __device__ __inline__ void	quad_calc_bilinear_coords (const GeomSBTHG &sbtHG, const float alpha, const float beta, const float &alpha11, const float &beta11, float &u, float &v)
static __host__ __device__ __inline__ void	get_shadevars_quadmesh (const GeomSBTHG &sbtHG, float3 &hit_color, float3 &shading_normal)
__global__ void	__intersection__ring_array ()
static __host__ __device__ __inline__ void	get_shadevars_ring_array (const GeomSBTHG &sbtHG, float3 &shading_normal)
static __host__ __device__ __inline__ void	sphere_intersect_hearn_baker (float3 center, float rad)
__global__ void	__intersection__sphere_array ()
static __host__ __device__ __inline__ void	get_shadevars_sphere_array (const GeomSBTHG &sbtHG, float3 &shading_normal)
static __host__ __device__ __inline__ void	get_shadevars_trimesh (const GeomSBTHG &sbtHG, float3 &hit_color, float &hit_alpha, float3 &shading_normal)
static __device__ __forceinline__ float	fog_coord (float3 hit_point)
static __device__ __forceinline__ float3	fog_color (float fogmod, float3 hit_col)
static __device__ float	shade_ambient_occlusion (float3 hit, float3 N, float aoimportance)
template<int SHADOWS_ON>
static __device__ __inline__ void	shade_light (float3 &result, float3 &hit_point, float3 &N, float3 &L, float p_Kd, float p_Ks, float p_phong_exp, float3 &col, float3 &phongcol, float shadow_tmax)
	scene-wide shading property More...
template<int CLIP_VIEW_ON, int HEADLIGHT_ON, int FOG_ON, int SHADOWS_ON, int AO_ON, int OUTLINE_ON, int REFLECTION_ON, int TRANSMISSION_ON>
static __device__ void	shader_template (float3 prim_color, float3 N, float p_Ka, float p_Kd, float p_Ks, float p_phong_exp, float p_reflectivity, float p_opacity, float p_outline, float p_outlinewidth, int p_transmode)
	material-specific shading property More...
__global__ void	__closesthit__radiance_general ()

Variables
__constant__ tachyonLaunchParams	rtLaunch
	launch parameters in constant memory, filled by optixLaunch) More...

Detailed Description

Tachyon ray tracing engine core routines compiled to PTX for runtime JIT to build complete ray tracing pipelines.

Written for NVIDIA OptiX 7 and later.

Definition in file TachyonOptiXShaders.cu.

Macro Definition Documentation

REVERSE_RAY_LENGTH

#define REVERSE_RAY_LENGTH   3.0f

Definition at line 105 of file TachyonOptiXShaders.cu.

Referenced by shade_ambient_occlusion(), and shade_light().

REVERSE_RAY_STEP

#define REVERSE_RAY_STEP   (scene_epsilon*10.0f)

Definition at line 104 of file TachyonOptiXShaders.cu.

Referenced by shade_ambient_occlusion(), and shade_light().

TACHYON_INTERNAL

#define TACHYON_INTERNAL   1

Definition at line 89 of file TachyonOptiXShaders.cu.

TACHYON_RAY_STEP

#define TACHYON_RAY_STEP   N*rtLaunch.scene.epsilon*4.0f

Definition at line 100 of file TachyonOptiXShaders.cu.

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

TACHYON_RAY_STEP2

#define TACHYON_RAY_STEP2   ray_direction*rtLaunch.scene.epsilon*4.0f

Definition at line 101 of file TachyonOptiXShaders.cu.

Referenced by shader_template().

TACHYON_TRANS_USE_INCIDENT

#define TACHYON_TRANS_USE_INCIDENT   1

Definition at line 99 of file TachyonOptiXShaders.cu.

TACHYON_USE_RAY_STEP

#define TACHYON_USE_RAY_STEP   1

Definition at line 98 of file TachyonOptiXShaders.cu.

TACHYON_USE_SPHERES_HEARNBAKER

#define TACHYON_USE_SPHERES_HEARNBAKER   1

Definition at line 109 of file TachyonOptiXShaders.cu.

Function Documentation

__anyhit__radiance_nop()

__global__ void __anyhit__radiance_nop

(

)

Definition at line 542 of file TachyonOptiXShaders.cu.

__anyhit__shadow_opaque()

__global__ void __anyhit__shadow_opaque

(

)

Definition at line 376 of file TachyonOptiXShaders.cu.

References setPayloadShadowAttenuation().

__anyhit__shadow_transmission()

__global__ void __anyhit__shadow_transmission

(

)

Definition at line 400 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::frame, GeomSBTHG::geomflags, getPayloadShadowAttenuation(), GeomSBTHG::materialindex, tachyonLaunchParams::materials, rt_material::opacity, RT_MAT_ALPHA, RT_MAT_TEXALPHA, rtLaunch, setPayloadShadowAttenuation(), tachyon1DLaunchIndex(), and GeomSBTHG::trimesh.

__closesthit__radiance_general()

__global__ void __closesthit__radiance_general

(

)

Definition at line 3395 of file TachyonOptiXShaders.cu.

References get_shadevars_cone_array(), get_shadevars_cylinder_array(), get_shadevars_quadmesh(), get_shadevars_ring_array(), get_shadevars_sphere_array(), get_shadevars_trimesh(), GeomSBTHG::materialindex, tachyonLaunchParams::materials, GeomSBTHG::prim_color, RT_HIT_CONE, RT_HIT_CYLINDER, RT_HIT_QUAD, RT_HIT_RING, RT_HIT_SPHERE, RT_PRM_CONE, RT_PRM_CYLINDER, RT_PRM_QUAD, RT_PRM_RING, RT_PRM_SPHERE, RT_PRM_TRIANGLE, rtLaunch, and GeomSBTHG::uniform_color.

__closesthit__shadow_nop()

__global__ void __closesthit__shadow_nop

(

)

Definition at line 353 of file TachyonOptiXShaders.cu.

__exception__all()

__global__ void __exception__all

(

)

Definition at line 279 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::frame, tachyonLaunchParams::framebuffer, make_float3(), rtLaunch, and tachyonLaunchParams::size.

__intersection__cone_array_color()

__global__ void __intersection__cone_array_color

(

)

Definition at line 1878 of file TachyonOptiXShaders.cu.

References ConeArraySBT::apex, ConeArraySBT::apexrad, ConeArraySBT::base, ConeArraySBT::baserad, GeomSBTHG::cone, dot(), and RT_HIT_CONE.

__intersection__cylinder_array_color()

__global__ void __intersection__cylinder_array_color

(

)

Definition at line 1971 of file TachyonOptiXShaders.cu.

References cross(), GeomSBTHG::cyl, dot(), CylinderArraySBT::end, fabsf(), length(), normalize(), CylinderArraySBT::radius, RT_HIT_CYLINDER, and CylinderArraySBT::start.

__intersection__quadmesh()

__global__ void __intersection__quadmesh

(

)

Definition at line 2082 of file TachyonOptiXShaders.cu.

References cross(), dot(), tachyonLaunchParams::epsilon, fabsf(), GeomSBTHG::quadmesh, RT_HIT_QUAD, rtLaunch, and tachyonLaunchParams::scene.

__intersection__ring_array()

__global__ void __intersection__ring_array

(

)

Definition at line 2343 of file TachyonOptiXShaders.cu.

References RingArraySBT::center, dot(), RingArraySBT::inrad, length(), RingArraySBT::norm, RingArraySBT::outrad, GeomSBTHG::ring, and RT_HIT_RING.

__intersection__sphere_array()

__global__ void __intersection__sphere_array

(

)

Definition at line 2486 of file TachyonOptiXShaders.cu.

References make_float3(), SphereArraySBT::PosRadius, GeomSBTHG::sphere, and sphere_intersect_hearn_baker().

__miss__radiance_gradient_bg_sky_plane()

__global__ void __miss__radiance_gradient_bg_sky_plane

(

)

Definition at line 607 of file TachyonOptiXShaders.cu.

References PerRayData_radiance::alpha, tachyonLaunchParams::bg_color_grad_bot, tachyonLaunchParams::bg_color_grad_top, tachyonLaunchParams::bg_grad_botval, tachyonLaunchParams::bg_grad_invrange, tachyonLaunchParams::bg_grad_noisemag, tachyonLaunchParams::bg_grad_updir, dot(), tachyonLaunchParams::frame, PerRayData_radiance::result, rtLaunch, tachyonLaunchParams::scene, SQUARES_RNG_KEY1, tachyon1DLaunchIndex(), and UINT32_RAND_MAX_INV.

__miss__radiance_gradient_bg_sky_sphere()

__global__ void __miss__radiance_gradient_bg_sky_sphere

(

)

Definition at line 570 of file TachyonOptiXShaders.cu.

References PerRayData_radiance::alpha, tachyonLaunchParams::bg_color_grad_bot, tachyonLaunchParams::bg_color_grad_top, tachyonLaunchParams::bg_grad_botval, tachyonLaunchParams::bg_grad_invrange, tachyonLaunchParams::bg_grad_noisemag, tachyonLaunchParams::bg_grad_updir, dot(), tachyonLaunchParams::frame, PerRayData_radiance::result, rtLaunch, tachyonLaunchParams::scene, SQUARES_RNG_KEY1, tachyon1DLaunchIndex(), and UINT32_RAND_MAX_INV.

__miss__radiance_solid_bg()

__global__ void __miss__radiance_solid_bg

(

)

Definition at line 553 of file TachyonOptiXShaders.cu.

References PerRayData_radiance::alpha, tachyonLaunchParams::bg_color, tachyonLaunchParams::frame, PerRayData_radiance::result, rtLaunch, tachyonLaunchParams::scene, and tachyon1DLaunchIndex().

__miss__shadow_nop()

__global__ void __miss__shadow_nop

(

)

Definition at line 363 of file TachyonOptiXShaders.cu.

__raygen__camera_cubemap()

__global__ void __raygen__camera_cubemap

(

)

Definition at line 1204 of file TachyonOptiXShaders.cu.

__raygen__camera_cubemap_dof()

__global__ void __raygen__camera_cubemap_dof

(

)

Definition at line 1208 of file TachyonOptiXShaders.cu.

__raygen__camera_cubemap_stereo()

__global__ void __raygen__camera_cubemap_stereo

(

)

Definition at line 1212 of file TachyonOptiXShaders.cu.

__raygen__camera_cubemap_stereo_dof()

__global__ void __raygen__camera_cubemap_stereo_dof

(

)

Definition at line 1216 of file TachyonOptiXShaders.cu.

__raygen__camera_dome_master()

__global__ void __raygen__camera_dome_master

(

)

Definition at line 1374 of file TachyonOptiXShaders.cu.

__raygen__camera_dome_master_dof()

__global__ void __raygen__camera_dome_master_dof

(

)

Definition at line 1378 of file TachyonOptiXShaders.cu.

__raygen__camera_dome_master_stereo()

__global__ void __raygen__camera_dome_master_stereo

(

)

Definition at line 1382 of file TachyonOptiXShaders.cu.

__raygen__camera_dome_master_stereo_dof()

__global__ void __raygen__camera_dome_master_stereo_dof

(

)

Definition at line 1386 of file TachyonOptiXShaders.cu.

__raygen__camera_equirectangular()

__global__ void __raygen__camera_equirectangular

(

)

Definition at line 1524 of file TachyonOptiXShaders.cu.

__raygen__camera_equirectangular_dof()

__global__ void __raygen__camera_equirectangular_dof

(

)

Definition at line 1528 of file TachyonOptiXShaders.cu.

__raygen__camera_equirectangular_stereo()

__global__ void __raygen__camera_equirectangular_stereo

(

)

Definition at line 1532 of file TachyonOptiXShaders.cu.

__raygen__camera_equirectangular_stereo_dof()

__global__ void __raygen__camera_equirectangular_stereo_dof

(

)

Definition at line 1536 of file TachyonOptiXShaders.cu.

__raygen__camera_octahedral()

__global__ void __raygen__camera_octahedral

(

)

Definition at line 1663 of file TachyonOptiXShaders.cu.

__raygen__camera_octahedral_dof()

__global__ void __raygen__camera_octahedral_dof

(

)

Definition at line 1667 of file TachyonOptiXShaders.cu.

__raygen__camera_octahedral_stereo()

__global__ void __raygen__camera_octahedral_stereo

(

)

Definition at line 1671 of file TachyonOptiXShaders.cu.

__raygen__camera_octahedral_stereo_dof()

__global__ void __raygen__camera_octahedral_stereo_dof

(

)

Definition at line 1675 of file TachyonOptiXShaders.cu.

__raygen__camera_oculus_rift()

__global__ void __raygen__camera_oculus_rift

(

)

Definition at line 1821 of file TachyonOptiXShaders.cu.

__raygen__camera_oculus_rift_dof()

__global__ void __raygen__camera_oculus_rift_dof

(

)

Definition at line 1825 of file TachyonOptiXShaders.cu.

__raygen__camera_oculus_rift_stereo()

__global__ void __raygen__camera_oculus_rift_stereo

(

)

Definition at line 1829 of file TachyonOptiXShaders.cu.

__raygen__camera_oculus_rift_stereo_dof()

__global__ void __raygen__camera_oculus_rift_stereo_dof

(

)

Definition at line 1833 of file TachyonOptiXShaders.cu.

__raygen__camera_orthographic()

__global__ void __raygen__camera_orthographic

(

)

Definition at line 1004 of file TachyonOptiXShaders.cu.

__raygen__camera_orthographic_dof()

__global__ void __raygen__camera_orthographic_dof

(

)

Definition at line 1008 of file TachyonOptiXShaders.cu.

__raygen__camera_orthographic_stereo()

__global__ void __raygen__camera_orthographic_stereo

(

)

Definition at line 1012 of file TachyonOptiXShaders.cu.

__raygen__camera_orthographic_stereo_dof()

__global__ void __raygen__camera_orthographic_stereo_dof

(

)

Definition at line 1016 of file TachyonOptiXShaders.cu.

__raygen__camera_perspective()

__global__ void __raygen__camera_perspective

(

)

Definition at line 875 of file TachyonOptiXShaders.cu.

__raygen__camera_perspective_dof()

__global__ void __raygen__camera_perspective_dof

(

)

Definition at line 879 of file TachyonOptiXShaders.cu.

__raygen__camera_perspective_stereo()

__global__ void __raygen__camera_perspective_stereo

(

)

Definition at line 883 of file TachyonOptiXShaders.cu.

__raygen__camera_perspective_stereo_dof()

__global__ void __raygen__camera_perspective_stereo_dof

(

)

Definition at line 887 of file TachyonOptiXShaders.cu.

__raygen__UNKNOWN()

__global__ void __raygen__UNKNOWN

(

)

Definition at line 1847 of file TachyonOptiXShaders.cu.

accumulate_color()

static void __inline__ __device__ accumulate_color ( int  idx, float4  colrgba4f  )

static

Definition at line 645 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::accum_buffer, tachyonLaunchParams::accum_normalize, tachyonLaunchParams::colorspace, tachyonLaunchParams::fb_clearall, tachyonLaunchParams::frame, tachyonLaunchParams::framebuffer, linear_to_sRGB(), linear_to_sRGB_approx_20(), RT_COLORSPACE_sRGB, rtLaunch, tachyonLaunchParams::tonemap_exposure, tachyonLaunchParams::tonemap_mode, and tachyonLaunchParams::update_colorbuffer.

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().

any_hit_shadow_clip_sphere()

__global__ void any_hit_shadow_clip_sphere

(

)

Definition at line 502 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::cam, tachyonLaunchParams::clipview_end, tachyonLaunchParams::clipview_mode, tachyonLaunchParams::clipview_start, tachyonLaunchParams::frame, getPayloadShadowAttenuation(), GeomSBTHG::materialindex, tachyonLaunchParams::materials, rt_material::opacity, tachyonLaunchParams::pos, rtLaunch, setPayloadShadowAttenuation(), sphere_fade_and_clip(), and tachyon1DLaunchIndex().

calc_ffworld_normal()

static __inline__ __device__ float3 calc_ffworld_normal ( const float3 &  Nshading, const float3 &  Ngeometric  )

static

Definition at line 1861 of file TachyonOptiXShaders.cu.

References faceforward(), and normalize().

Referenced by get_shadevars_cone_array(), get_shadevars_cylinder_array(), get_shadevars_quadmesh(), get_shadevars_ring_array(), get_shadevars_sphere_array(), and get_shadevars_trimesh().

clip_ray_by_plane()

__device__ void clip_ray_by_plane	(	float3	ray_origin,
		float3	ray_direction,
		float &	tmin,
		float &	tmax,
		const float4	plane
	)

Definition at line 247 of file TachyonOptiXShaders.cu.

References dot(), make_float3(), make_float4(), and RT_DEFAULT_MAX.

dof_ray()

static __device__ __inline__ void dof_ray ( const float  cam_dof_focal_dist, const float  cam_dof_aperture_rad, const float3 &  ray_origin_orig, float3 &  ray_origin, const float3 &  ray_direction_orig, float3 &  ray_direction, unsigned int &  randseed, const float3 &  up, const float3 &  right  )

static

Definition at line 737 of file TachyonOptiXShaders.cu.

References jitter_disc2f(), and normalize().

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().

fog_color()

static __device__ __forceinline__ float3 fog_color ( float  fogmod, float3  hit_col  )

static

Definition at line 2876 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::bg_color, rtLaunch, and tachyonLaunchParams::scene.

Referenced by shader_template().

fog_coord()

static __device__ __forceinline__ float fog_coord ( float3  hit_point )

static

Definition at line 2836 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::cam, dot(), rtLaunch, tachyonLaunchParams::scene, and tachyonLaunchParams::W.

Referenced by shader_template().

get_shadevars_cone_array()

static __host__ __device__ __inline__ void get_shadevars_cone_array ( const GeomSBTHG &  sbtHG, float3 &  shading_normal  )

static

Definition at line 1920 of file TachyonOptiXShaders.cu.

References ConeArraySBT::apex, ConeArraySBT::apexrad, ConeArraySBT::base, ConeArraySBT::baserad, calc_ffworld_normal(), GeomSBTHG::cone, dot(), and normalize().

Referenced by __closesthit__radiance_general().

get_shadevars_cylinder_array()

static __host__ __device__ __inline__ void get_shadevars_cylinder_array ( const GeomSBTHG &  sbtHG, float3 &  shading_normal  )

static

Definition at line 2027 of file TachyonOptiXShaders.cu.

References calc_ffworld_normal(), GeomSBTHG::cyl, dot(), CylinderArraySBT::end, normalize(), and CylinderArraySBT::start.

Referenced by __closesthit__radiance_general().

get_shadevars_quadmesh()

static __host__ __device__ __inline__ void get_shadevars_quadmesh ( const GeomSBTHG &  sbtHG, float3 &  hit_color, float3 &  shading_normal  )

static

< XXX fix for quads
< XXX fix for quads

Definition at line 2247 of file TachyonOptiXShaders.cu.

References calc_ffworld_normal(), cross(), normalize(), GeomSBTHG::prim_color, quad_calc_barycentrics_v11(), quad_calc_bilinear_coords(), GeomSBTHG::quadmesh, and GeomSBTHG::uniform_color.

Referenced by __closesthit__radiance_general().

get_shadevars_ring_array()

static __host__ __device__ __inline__ void get_shadevars_ring_array ( const GeomSBTHG &  sbtHG, float3 &  shading_normal  )

static

Definition at line 2371 of file TachyonOptiXShaders.cu.

References calc_ffworld_normal(), RingArraySBT::norm, and GeomSBTHG::ring.

Referenced by __closesthit__radiance_general().

get_shadevars_sphere_array()

static __host__ __device__ __inline__ void get_shadevars_sphere_array ( const GeomSBTHG &  sbtHG, float3 &  shading_normal  )

static

Definition at line 2502 of file TachyonOptiXShaders.cu.

References calc_ffworld_normal(), make_float3(), SphereArraySBT::PosRadius, and GeomSBTHG::sphere.

Referenced by __closesthit__radiance_general().

get_shadevars_trimesh()

static __host__ __device__ __inline__ void get_shadevars_trimesh ( const GeomSBTHG &  sbtHG, float3 &  hit_color, float &  hit_alpha, float3 &  shading_normal  )

static

Definition at line 2585 of file TachyonOptiXShaders.cu.

References calc_ffworld_normal(), cross(), make_float3(), GeomSBTHG::materialindex, tachyonLaunchParams::materials, normalize(), GeomSBTHG::prim_color, rtLaunch, GeomSBTHG::trimesh, GeomSBTHG::uniform_color, and unpackNormal().

Referenced by __closesthit__radiance_general().

getPayloadAAsample()

static __forceinline__ __device__ uint32_t getPayloadAAsample ( )

static

radiance PRD aasample count is stored in ray payload register 2

Definition at line 173 of file TachyonOptiXShaders.cu.

Referenced by shade_ambient_occlusion(), and shader_template().

getPayloadShadowAttenuation()

static __forceinline__ __device__ float getPayloadShadowAttenuation ( )

static

any-hit programs read-modify-update shadow attenuation value carried in ray payload register 0

Definition at line 190 of file TachyonOptiXShaders.cu.

Referenced by __anyhit__shadow_transmission(), and any_hit_shadow_clip_sphere().

getPRD()

template<typename T >

static __forceinline__ __device__ T* getPRD ( )

static

Definition at line 151 of file TachyonOptiXShaders.cu.

References unpackPointer().

packPointer()

static __forceinline__ __device__ void packPointer ( void *  ptr, uint32_t &  i0, uint32_t &  i1  )

static

Definition at line 144 of file TachyonOptiXShaders.cu.

Referenced by 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().

quad_calc_barycentrics_v11()

static __host__ __device__ __inline__ void quad_calc_barycentrics_v11 ( const GeomSBTHG &  sbtHG, float &  alpha11, float &  beta11  )

static

Definition at line 2173 of file TachyonOptiXShaders.cu.

References cross(), fabsf(), QuadMeshSBT::indices, make_float3(), and GeomSBTHG::quadmesh.

Referenced by get_shadevars_quadmesh().

quad_calc_bilinear_coords()

static __host__ __device__ __inline__ void quad_calc_bilinear_coords ( const GeomSBTHG &  sbtHG, const float  alpha, const float  beta, const float &  alpha11, const float &  beta11, float &  u, float &  v  )

static

Definition at line 2212 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::epsilon, fabsf(), rtLaunch, and tachyonLaunchParams::scene.

Referenced by get_shadevars_quadmesh().

ray_sphere_clip_interval()

__device__ void ray_sphere_clip_interval	(	float3	ray_origin,
		float3	ray_direction,
		float3	center,
		float	rad,
		float2 &	tinterval
	)

Definition at line 228 of file TachyonOptiXShaders.cu.

References dot(), and RT_DEFAULT_MAX.

setPayloadShadowAttenuation()

static __forceinline__ __device__ void setPayloadShadowAttenuation ( const float  attenuation )

static

any-hit programs read-modify-update shadow attenuation value carried in ray payload register 0

Definition at line 196 of file TachyonOptiXShaders.cu.

Referenced by __anyhit__shadow_opaque(), __anyhit__shadow_transmission(), and any_hit_shadow_clip_sphere().

shade_ambient_occlusion()

static __device__ float shade_ambient_occlusion ( float3  hit, float3  N, float  aoimportance  )

static

Definition at line 2886 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::ao_lightscale, tachyonLaunchParams::ao_maxdist, tachyonLaunchParams::ao_samples, dot(), getPayloadAAsample(), jitter_sphere3f(), tachyonLaunchParams::lights, REVERSE_RAY_LENGTH, REVERSE_RAY_STEP, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_SHADOW, RT_SHADOWS_ON_REVERSE, rtLaunch, subframe_count(), TACHYON_RAY_STEP, and tachyonLaunchParams::traversable.

Referenced by shader_template().

shade_light()

template<int SHADOWS_ON>

static __device__ __inline__ void shade_light ( float3 &  result, float3 &  hit_point, float3 &  N, float3 &  L, float  p_Kd, float  p_Ks, float  p_phong_exp, float3 &  col, float3 &  phongcol, float  shadow_tmax  )

static

scene-wide shading property

Definition at line 2970 of file TachyonOptiXShaders.cu.

References dot(), tachyonLaunchParams::frame, tachyonLaunchParams::lights, make_float3(), normalize(), REVERSE_RAY_LENGTH, REVERSE_RAY_STEP, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_SHADOW, RT_SHADOWS_ON_REVERSE, rtLaunch, tachyonLaunchParams::shadows_enabled, tachyon1DLaunchIndex(), TACHYON_RAY_STEP, and tachyonLaunchParams::traversable.

shader_template()

template<int CLIP_VIEW_ON, int HEADLIGHT_ON, int FOG_ON, int SHADOWS_ON, int AO_ON, int OUTLINE_ON, int REFLECTION_ON, int TRANSMISSION_ON>

static __device__ void shader_template ( float3  prim_color, float3  N, float  p_Ka, float  p_Kd, float  p_Ks, float  p_phong_exp, float  p_reflectivity, float  p_opacity, float  p_outline, float  p_outlinewidth, int  p_transmode  )

static

material-specific shading property

Definition at line 3089 of file TachyonOptiXShaders.cu.

References PerRayData_radiance::alpha, tachyonLaunchParams::ao_ambient, tachyonLaunchParams::ao_direct, tachyonLaunchParams::ao_samples, tachyonLaunchParams::bg_color, tachyonLaunchParams::cam, tachyonLaunchParams::clipview_end, tachyonLaunchParams::clipview_mode, tachyonLaunchParams::clipview_start, PerRayData_radiance::depth, tachyonLaunchParams::dir_lights, dot(), fog_color(), fog_coord(), tachyonLaunchParams::fog_mode, tachyonLaunchParams::frame, getPayloadAAsample(), tachyonLaunchParams::headlight_mode, PerRayData_radiance::importance, length(), tachyonLaunchParams::lights, make_float3(), tachyonLaunchParams::max_depth, normalize_len(), tachyonLaunchParams::num_dir_lights, tachyonLaunchParams::num_pos_lights, packPointer(), tachyonLaunchParams::pos, tachyonLaunchParams::pos_lights, reflect(), PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, tachyonLaunchParams::scene, shade_ambient_occlusion(), sphere_fade_and_clip(), tachyon1DLaunchIndex(), TACHYON_RAY_STEP, TACHYON_RAY_STEP2, PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

sphere_fade_and_clip()

__device__ void sphere_fade_and_clip	(	const float3 &	hit_point,
		const float3 &	cam_pos,
		float	fade_start,
		float	fade_end,
		float &	alpha
	)

Definition at line 214 of file TachyonOptiXShaders.cu.

References length().

Referenced by any_hit_shadow_clip_sphere(), and shader_template().

sphere_intersect_hearn_baker()

static __host__ __device__ __inline__ void sphere_intersect_hearn_baker ( float3  center, float  rad  )

static

Definition at line 2410 of file TachyonOptiXShaders.cu.

References dot(), normalize_len(), and RT_HIT_SPHERE.

Referenced by __intersection__sphere_array().

subframe_count()

static int __forceinline__ __device__ subframe_count ( )

static

Definition at line 201 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::frame, rtLaunch, and tachyonLaunchParams::subframe_index.

Referenced by shade_ambient_occlusion(), 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().

tachyon1DLaunchIndex() [1/2]

static __device__ __inline__ int tachyon1DLaunchIndex ( void  )

static

Helper function to return 1-D framebuffer offset computed from the current thread's launch_index.

Definition at line 114 of file TachyonOptiXShaders.cu.

Referenced by __anyhit__shadow_transmission(), __miss__radiance_gradient_bg_sky_plane(), __miss__radiance_gradient_bg_sky_sphere(), __miss__radiance_solid_bg(), any_hit_shadow_clip_sphere(), 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().

tachyon1DLaunchIndex() [2/2]

static __device__ __inline__ int tachyon1DLaunchIndex ( uint3  dim, uint3  index  )

static

Helper function to return 1-D framebuffer offset computed from the current thread's launch_index.

Definition at line 123 of file TachyonOptiXShaders.cu.

tachyon_camera_cubemap_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_cubemap_general ( )

static

Definition at line 1046 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, cross(), PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), make_float3(), make_float4(), tachyonLaunchParams::max_trans, normalize(), packPointer(), PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

tachyon_camera_dome_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_dome_general ( )

static

Definition at line 1235 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, cross(), PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), M_PIf, make_float3(), make_float4(), tachyonLaunchParams::max_trans, packPointer(), PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, tachyonLaunchParams::stereo_eyesep, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

tachyon_camera_equirectangular_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_equirectangular_general ( )

static

Definition at line 1411 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, cross(), PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), M_PIf, make_float3(), make_float4(), tachyonLaunchParams::max_trans, normalize(), packPointer(), PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, tachyonLaunchParams::stereo_eyesep, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

tachyon_camera_octahedral_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_octahedral_general ( )

static

Definition at line 1551 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, cross(), PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), make_float3(), make_float4(), tachyonLaunchParams::max_trans, normalize(), packPointer(), PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, tachyonLaunchParams::stereo_eyesep, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

tachyon_camera_oculus_rift_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_oculus_rift_general ( )

static

Definition at line 1686 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), make_float3(), make_float4(), tachyonLaunchParams::max_trans, normalize(), packPointer(), PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, tachyonLaunchParams::stereo_eyesep, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

tachyon_camera_orthographic_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_orthographic_general ( )

static

Definition at line 899 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), make_float3(), make_float4(), tachyonLaunchParams::max_trans, normalize(), packPointer(), tachyonLaunchParams::pos, PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

tachyon_camera_perspective_general()

template<int STEREO_ON, int DOF_ON>

static __device__ __inline__ void tachyon_camera_perspective_general ( )

static

Definition at line 771 of file TachyonOptiXShaders.cu.

References tachyonLaunchParams::aa_samples, accumulate_color(), PerRayData_radiance::alpha, tachyonLaunchParams::cam, PerRayData_radiance::depth, dof_ray(), PerRayData_radiance::importance, jitter_offset2f(), make_float3(), make_float4(), tachyonLaunchParams::max_trans, normalize(), packPointer(), tachyonLaunchParams::pos, PerRayData_radiance::result, RT_DEFAULT_MAX, RT_RAY_TYPE_COUNT, RT_RAY_TYPE_RADIANCE, rtLaunch, subframe_count(), tachyon1DLaunchIndex(), PerRayData_radiance::transcnt, and tachyonLaunchParams::traversable.

unpackPointer()

static __forceinline__ __device__ void* unpackPointer ( uint32_t  i0, uint32_t  i1  )

static

Definition at line 137 of file TachyonOptiXShaders.cu.

Referenced by getPRD().

Variable Documentation

rtLaunch

__constant__ tachyonLaunchParams rtLaunch

launch parameters in constant memory, filled by optixLaunch)

Definition at line 134 of file TachyonOptiXShaders.cu.

Referenced by __anyhit__shadow_transmission(), __closesthit__radiance_general(), __exception__all(), __intersection__quadmesh(), __miss__radiance_gradient_bg_sky_plane(), __miss__radiance_gradient_bg_sky_sphere(), __miss__radiance_solid_bg(), accumulate_color(), any_hit_shadow_clip_sphere(), fog_color(), fog_coord(), TachyonOptiX::framebuffer_clear(), get_shadevars_trimesh(), TachyonOptiX::print_raystats_info(), quad_calc_bilinear_coords(), TachyonOptiX::render(), TachyonOptiX::set_camera_lookat(), shade_ambient_occlusion(), shade_light(), shader_template(), subframe_count(), 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(), tachyon_camera_perspective_general(), and TachyonOptiX::TachyonOptiX().