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Add lighting test and benchmark (#12802)

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Jude Melton-Houghton 2022-09-26 06:49:08 -04:00 • committed by GitHub
parent 8dec3a5ecb
commit f916398a54
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10 changed files with 292 additions and 63 deletions
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1
src/benchmark/CMakeLists.txt
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@ -1,5 +1,6 @@
set (BENCHMARK_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/benchmark.cpp
${CMAKE_CURRENT_SOURCE_DIR}/benchmark_lighting.cpp
${CMAKE_CURRENT_SOURCE_DIR}/benchmark_serialize.cpp
PARENT_SCOPE)

86
src/benchmark/benchmark_lighting.cpp Normal file
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@ -0,0 +1,86 @@
/*
Minetest
Copyright (C) 2022 Minetest Authors
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "benchmark_setup.h"
#include "voxelalgorithms.h"
#include "dummygamedef.h"
#include "dummymap.h"
TEST_CASE("benchmark_lighting")
{
DummyGameDef gamedef;
NodeDefManager *ndef = gamedef.getWritableNodeDefManager();
v3s16 pmin(-16, -16, -16);
v3s16 pmax(15, 15, 15);
v3s16 bpmin = getNodeBlockPos(pmin), bpmax = getNodeBlockPos(pmax);
DummyMap map(&gamedef, bpmin, bpmax);
content_t content_wall;
{
ContentFeatures f;
f.name = "stone";
content_wall = ndef->set(f.name, f);
}
content_t content_light;
{
ContentFeatures f;
f.name = "light";
f.param_type = CPT_LIGHT;
f.light_propagates = true;
f.light_source = 14;
content_light = ndef->set(f.name, f);
}
// Make a platform with a light below it.
{
std::map<v3s16, MapBlock*> modified_blocks;
MMVManip vm(&map);
vm.initialEmerge(bpmin, bpmax, false);
s32 volume = vm.m_area.getVolume();
for (s32 i = 0; i < volume; i++)
vm.m_data[i] = MapNode(CONTENT_AIR);
for (s16 z = -10; z <= 10; z++)
for (s16 x = -10; x <= 10; x++)
vm.setNodeNoEmerge(v3s16(x, 1, z), MapNode(content_wall));
vm.setNodeNoEmerge(v3s16(0, -10, 0), MapNode(content_light));
voxalgo::blit_back_with_light(&map, &vm, &modified_blocks);
}
BENCHMARK_ADVANCED("voxalgo::update_lighting_nodes")(Catch::Benchmark::Chronometer meter) {
std::map<v3s16, MapBlock*> modified_blocks;
meter.measure([&] {
map.addNodeAndUpdate(v3s16(0, 0, 0), MapNode(content_light), modified_blocks);
map.removeNodeAndUpdate(v3s16(0, 0, 0), modified_blocks);
});
};
BENCHMARK_ADVANCED("voxalgo::blit_back_with_light")(Catch::Benchmark::Chronometer meter) {
std::map<v3s16, MapBlock*> modified_blocks;
MMVManip vm(&map);
vm.initialEmerge(v3s16(0, 0, 0), v3s16(0, 0, 0), false);
meter.measure([&] {
vm.setNodeNoEmerge(v3s16(0, 0, 0), MapNode(content_light));
voxalgo::blit_back_with_light(&map, &vm, &modified_blocks);
vm.setNodeNoEmerge(v3s16(0, 0, 0), MapNode(CONTENT_AIR));
voxalgo::blit_back_with_light(&map, &vm, &modified_blocks);
});
};
}