scene/schema/lux.cpp - GCC Code Coverage Report

scene/schema/lux.cpp

Line	Branch	Exec	Source
1			// SPDX-License-Identifier: BSD-3-Clause
2			/// @file lux.cpp
3			/// @brief UsdLux's registry entries and the shaped lights' extents, as UsdLux computes them, and
4			/// the laser's: its emitter.
5			#include "ernie/scene/schema/lux.h"
6
7			#include <algorithm>
8
9			namespace ernie {
10			namespace {
11
12			/// Sphere and disk lights: their radius, in the xy plane for a disk.
13		3	template <bool kDisk> auto RadiusHalves(const ExtentRows& rows) {
14		3	return [radius = rows.Column<double>(SphereLight::kRadius)](std::uint32_t row) {
15			return glm::dvec3(radius[row], radius[row], kDisk ? 0.0 : radius[row]);
16		3	};
17			}
18
19			/// Rect and portal lights alike: their width and height in the xy plane.
20		2	auto RectHalves(const ExtentRows& rows) {
21		2	return [width = rows.Column<double>(RectLight::kWidth),
22		2	height = rows.Column<double>(RectLight::kHeight)](std::uint32_t row) {
23		2	return glm::dvec3(0.5 * width[row], 0.5 * height[row], 0.0);
24		2	};
25			}
26
27		1	auto CylinderLightHalves(const ExtentRows& rows) {
28		1	return [radius = rows.Column<double>(CylinderLight::kRadius),
29		1	length = rows.Column<double>(CylinderLight::kLength)](std::uint32_t row) {
30		1	return glm::dvec3(0.5 * length[row], radius[row], radius[row]);
31		1	};
32			}
33
34			/// A laser's emitter: the larger of its aperture and waist.
35		1	auto EmitterHalves(const ExtentRows& rows) {
36		1	return [aperture = rows.Column<double>(LaserLight::kApertureRadius),
37		1	waist = rows.Column<glm::dvec2>(LaserLight::kWaistRadius)](std::uint32_t row) {
38		1	const double radius = std::max({aperture[row], waist[row].x, waist[row].y});
39		1	return glm::dvec3(radius, radius, 0.0);
40		1	};
41			}
42
43			} // namespace
44
45			// LightAPI carries its light-linking collections, as USD's does: which prims a light lights and
46			// which cast its shadows, everything unless they say otherwise. Every light has it built in.
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48			.builtinApis = {"CollectionAPI:lightLink", "CollectionAPI:shadowLink"},
49			.fallbackOverrides = {{"collection:lightLink:includeRoot", true},
50			{"collection:shadowLink:includeRoot", true}})
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52			ERNIE_BOUNDABLE_LIGHT_BASE_ATTRIBUTES, .builtinApis = {"LightAPI"})
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54			.builtinApis = {"LightAPI"})
55			// Emitting geometry: its LightAPI is built in, its material's glow tinting the light.
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57			.builtinApis = {"LightAPI"},
58			.fallbackOverrides = {{"light:shaderId", "MeshLight"},
59			{"light:materialSyncMode", "materialGlowTintsLight"}},
60			.appliesTo = {"Mesh"})
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62			.builtinApis = {"LightAPI"},
63			.fallbackOverrides = {{"light:shaderId", "VolumeLight"},
64			{"light:materialSyncMode", "materialGlowTintsLight"}},
65			.appliesTo = {"Volume"})
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67			.fallbackOverrides = {{"inputs:intensity", 50000.0}})
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69			ERNIE_DISK_LIGHT_ATTRIBUTES)
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71			ERNIE_RECT_LIGHT_ATTRIBUTES)
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73			ERNIE_SPHERE_LIGHT_ATTRIBUTES)
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75			ERNIE_CYLINDER_LIGHT_ATTRIBUTES)
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78			ERNIE_PORTAL_LIGHT_ATTRIBUTES)
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82			ERNIE_PHOTOMETRIC_AREA_LIGHT_API_ATTRIBUTES)
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84			ERNIE_PHOTOMETRIC_DISTANT_LIGHT_API_ATTRIBUTES)
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86			ERNIE_PHOTOMETRIC_DOME_LIGHT_API_ATTRIBUTES)
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88			ERNIE_PHYSICAL_LIGHT_ILLUMINANT_API_ATTRIBUTES)
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90			ERNIE_LASER_LIGHT_ATTRIBUTES,
91			.fallbackOverrides = {{"ernie:power", 0.001},
92			{"ernie:polarization:degree", 0.98}})
93
94			} // namespace ernie
95