render/rt/ray_tracer.cpp - GCC Code Coverage Report

render/rt/ray_tracer.cpp

Line	Branch	Exec	Source
1			// SPDX-License-Identifier: BSD-3-Clause
2			/// @file ray_tracer.cpp
3			/// @brief Keeping the acceleration structures up to date each frame.
4			#include "ernie/render/rt/ray_tracer.h"
5
6			#include "ernie/shaders/device/buffer_ref.h"
7			#include "ernie/shaders/rt/ray_tracer.h"
8			#include "ernie/shaders/scene/geometry.h"
9			#include "ernie/shaders/scene/shapes.h"
10			#include "ernie/util/profiler.h"
11
12			#include <array>
13
14			namespace ernie {
15
16		15	RayTracer::RayTracer(DeviceContext& context, Arenas& arenas, const ShaderCompiler& compiler,
17		15	const GeometryPool& geometry)
18	1/2 ✓ Branch 2 taken 15 times. ✗ Branch 3 not taken.	15	: geometry_(geometry), bottoms_(context, arenas, geometry), tops_(context, compiler) {}
19
20		34	std::span<const ShaderModule> RayTracer::Modules() {
21		34	static const std::array modules{shaders::kBufferRef, shaders::kGeometry, shaders::kShapes,
22	7/14 ✓ Branch 0 taken 17 times. ✓ Branch 1 taken 17 times. ✓ Branch 3 taken 17 times. ✗ Branch 4 not taken. ✓ Branch 6 taken 17 times. ✗ Branch 7 not taken. ✓ Branch 9 taken 17 times. ✗ Branch 10 not taken. ✓ Branch 12 taken 17 times. ✗ Branch 13 not taken. ✓ Branch 15 taken 17 times. ✗ Branch 16 not taken. ✗ Branch 19 not taken. ✗ Branch 20 not taken.	34	shaders::kRayTracer};
23		34	return modules;
24			}
25
26		27	void RayTracer::AddBuild(graph::Graph& graph, const GeometryPool::Changes& changes,
27			const TransformGraph& transforms, const InstanceTable& instances) {
28		27	ERNIE_ZONE("Update the ray tracer");
29	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	const graph::Graph::ScopeGuard scope = graph.Scope("Ray tracer");
30	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	bottoms_.Apply(changes);
31	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	bottoms_.AddBuilds(graph);
32	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	const graph::Acceleration top = tops_.AddBuild(graph, transforms, instances, bottoms_);
33	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	const DeviceColumn& records = geometry_.Records();
34	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	const DeviceColumn& colours = instances.Colours();
35	2/4 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken. ✓ Branch 4 taken 27 times. ✗ Branch 5 not taken.	27	graph.Board().Put(
36	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	TraceScene{.parameters = {.scene = tops_.Structure()->Address(),
37	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	.records = ToBufferRef<shaders::GeometryRecord>(records)},
38			.top = top,
39	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	.records = graph.Import(records),
40	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	.instances = instances.Count(),
41	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	.colours = graph.Import(colours),
42	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	.colourBuffer = ToBufferRef<float>(colours),
43	1/2 ✓ Branch 1 taken 27 times. ✗ Branch 2 not taken.	27	.origin = transforms.Origin()});
44		27	}
45
46			} // namespace ernie
47