BVHParams Class Reference

#include <params.h>

Public Types
enum	{ MAX_DEPTH = 64 , MAX_SPATIAL_DEPTH = 48 , NUM_SPATIAL_BINS = 32 }

Public Member Functions
	BVHParams ()
__forceinline float	cost (int num_nodes, int num_primitives) const
__forceinline float	primitive_cost (int n) const
__forceinline float	node_cost (int n) const
__forceinline bool	small_enough_for_leaf (int size, int level)
bool	use_motion_steps ()

Static Public Member Functions
static BVHLayout	best_bvh_layout (BVHLayout requested_layout, BVHLayoutMask supported_layouts)

Public Attributes
bool	use_spatial_split
float	spatial_split_alpha
float	unaligned_split_threshold
float	sah_node_cost
float	sah_primitive_cost
int	min_leaf_size
int	max_triangle_leaf_size
int	max_motion_triangle_leaf_size
int	max_curve_leaf_size
int	max_motion_curve_leaf_size
int	max_point_leaf_size
int	max_motion_point_leaf_size
bool	top_level
BVHLayout	bvh_layout
bool	use_unaligned_nodes
bool	use_compact_structure
int	num_motion_triangle_steps
int	num_motion_curve_steps
int	num_motion_point_steps
int	bvh_type
int	curve_subdivisions

Detailed Description

Definition at line 58 of file params.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
MAX_DEPTH
MAX_SPATIAL_DEPTH
NUM_SPATIAL_BINS

Definition at line 112 of file params.h.

Constructor & Destructor Documentation

BVHParams()

BVHParams::BVHParams ( )

inline

Definition at line 114 of file params.h.

References bvh_layout, BVH_LAYOUT_BVH2, bvh_type, curve_subdivisions, max_curve_leaf_size, max_motion_curve_leaf_size, max_motion_point_leaf_size, max_motion_triangle_leaf_size, max_point_leaf_size, max_triangle_leaf_size, min_leaf_size, num_motion_curve_steps, num_motion_point_steps, num_motion_triangle_steps, sah_node_cost, sah_primitive_cost, spatial_split_alpha, top_level, unaligned_split_threshold, use_compact_structure, use_spatial_split, and use_unaligned_nodes.

Member Function Documentation

best_bvh_layout()

BVHLayout BVHParams::best_bvh_layout ( BVHLayout requested_layout, BVHLayoutMask supported_layouts )

static

Definition at line 57 of file bvh.cpp.

References __bsr(), and BVHLayout.

Referenced by Geometry::compute_bvh(), and GeometryManager::device_update_bvh().

cost()

__forceinline float BVHParams::cost ( int num_nodes, int num_primitives ) const

inline

Definition at line 149 of file params.h.

References node_cost(), and primitive_cost().

Referenced by BVHNode::computeSubtreeSAHCost().

node_cost()

__forceinline float BVHParams::node_cost ( int n ) const

inline

Definition at line 159 of file params.h.

References sah_node_cost.

Referenced by BVHMixedSplit::BVHMixedSplit(), and cost().

primitive_cost()

__forceinline float BVHParams::primitive_cost ( int n ) const

inline

Definition at line 154 of file params.h.

References sah_primitive_cost.

Referenced by BVHMixedSplit::BVHMixedSplit(), BVHObjectSplit::BVHObjectSplit(), BVHSpatialSplit::BVHSpatialSplit(), cost(), and BVHSpatialSplit::split().

small_enough_for_leaf()

__forceinline bool BVHParams::small_enough_for_leaf ( int size, int level )

inline

Definition at line 164 of file params.h.

References MAX_DEPTH, and size().

Referenced by BVHBuild::build_node(), and BVHBuild::build_node().

use_motion_steps()

bool BVHParams::use_motion_steps ( )

inline

Definition at line 169 of file params.h.

References num_motion_curve_steps, num_motion_point_steps, and num_motion_triangle_steps.

Referenced by BVHBuild::run().

Member Data Documentation

bvh_layout

BVHLayout BVHParams::bvh_layout

Definition at line 84 of file params.h.

Referenced by CPUDevice::build_bvh(), Device::build_bvh(), MultiDevice::build_bvh(), BVHParams(), Geometry::compute_bvh(), BVH::create(), GeometryManager::device_update_bvh(), and BVH2::pack_instances().

bvh_type

int BVHParams::bvh_type

Definition at line 106 of file params.h.

Referenced by BVHParams(), Geometry::compute_bvh(), and GeometryManager::device_update_bvh().

curve_subdivisions

int BVHParams::curve_subdivisions

Definition at line 109 of file params.h.

Referenced by BVHParams(), Geometry::compute_bvh(), and GeometryManager::device_update_bvh().

max_curve_leaf_size

int BVHParams::max_curve_leaf_size

Definition at line 75 of file params.h.

Referenced by BVHParams(), and BVHBuild::range_within_max_leaf_size().

max_motion_curve_leaf_size

int BVHParams::max_motion_curve_leaf_size

Definition at line 76 of file params.h.

Referenced by BVHParams(), and BVHBuild::range_within_max_leaf_size().

max_motion_point_leaf_size

int BVHParams::max_motion_point_leaf_size

Definition at line 78 of file params.h.

Referenced by BVHParams(), and BVHBuild::range_within_max_leaf_size().

max_motion_triangle_leaf_size

int BVHParams::max_motion_triangle_leaf_size

Definition at line 74 of file params.h.

Referenced by BVHParams(), and BVHBuild::range_within_max_leaf_size().

max_point_leaf_size

int BVHParams::max_point_leaf_size

Definition at line 77 of file params.h.

Referenced by BVHParams(), and BVHBuild::range_within_max_leaf_size().

max_triangle_leaf_size

int BVHParams::max_triangle_leaf_size

Definition at line 73 of file params.h.

Referenced by BVHParams(), and BVHBuild::range_within_max_leaf_size().

min_leaf_size

int BVHParams::min_leaf_size

Definition at line 72 of file params.h.

Referenced by BVHParams().

num_motion_curve_steps

int BVHParams::num_motion_curve_steps

Definition at line 102 of file params.h.

Referenced by BVHBuild::add_reference_curves(), BVHParams(), Geometry::compute_bvh(), GeometryManager::device_update_bvh(), BVH2::pack_instances(), and use_motion_steps().

num_motion_point_steps

int BVHParams::num_motion_point_steps

Definition at line 103 of file params.h.

Referenced by BVHBuild::add_reference_points(), BVHParams(), Geometry::compute_bvh(), GeometryManager::device_update_bvh(), BVH2::pack_instances(), and use_motion_steps().

num_motion_triangle_steps

int BVHParams::num_motion_triangle_steps

Definition at line 101 of file params.h.

Referenced by BVHBuild::add_reference_triangles(), BVHParams(), Geometry::compute_bvh(), GeometryManager::device_update_bvh(), BVH2::pack_instances(), and use_motion_steps().

sah_node_cost

float BVHParams::sah_node_cost

Definition at line 68 of file params.h.

Referenced by BVHBuild::build_node(), BVHBuild::build_node(), BVHParams(), and node_cost().

sah_primitive_cost

float BVHParams::sah_primitive_cost

Definition at line 69 of file params.h.

Referenced by BVHBuild::build_node(), BVHBuild::build_node(), BVHParams(), and primitive_cost().

spatial_split_alpha

float BVHParams::spatial_split_alpha

Definition at line 62 of file params.h.

Referenced by BVHParams(), and BVHBuild::run().

top_level

bool BVHParams::top_level

Definition at line 81 of file params.h.

Referenced by BVHBuild::add_references(), CPUDevice::build_bvh(), BVHBuild::build_node(), BVHBuild::build_node(), BVHParams(), GeometryManager::device_update_bvh(), BVH2::pack_nodes(), BVH2::refit_nodes(), BVH2::refit_primitives(), and BVHBuild::run().

unaligned_split_threshold

float BVHParams::unaligned_split_threshold

Definition at line 65 of file params.h.

Referenced by BVHBuild::build_node(), BVHBuild::build_node(), and BVHParams().

use_compact_structure

bool BVHParams::use_compact_structure

Definition at line 92 of file params.h.

Referenced by BVHParams(), and Geometry::compute_bvh().

use_spatial_split

bool BVHParams::use_spatial_split

Definition at line 61 of file params.h.

Referenced by BVHBuild::add_reference_curves(), BVHBuild::add_reference_points(), BVHBuild::add_reference_triangles(), BVHMixedSplit::BVHMixedSplit(), BVHParams(), Geometry::compute_bvh(), BVHBuild::create_leaf_node(), GeometryManager::device_update_bvh(), BVHBuild::run(), and BVHMixedSplit::split().

use_unaligned_nodes

bool BVHParams::use_unaligned_nodes

Definition at line 89 of file params.h.

Referenced by BVHBuild::build_node(), BVHBuild::build_node(), BVHParams(), Geometry::compute_bvh(), BVHBuild::create_leaf_node(), GeometryManager::device_update_bvh(), and BVH2::pack_nodes().

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The documentation for this class was generated from the following files:

• params.h
• bvh.cpp