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