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#include "BlastBasePerfTest.h"
#include "TestAssets.h"
#include "NvBlastExtDamageShaders.h"
#include <memory>
static void blast
(
std::set<NvBlastActor*>& actorsToDamage,
GeneratorAsset* testAsset,
GeneratorAsset::Vec3 localPos,
float minRadius, float maxRadius,
float compressiveDamage,
NvBlastTimers& timers
)
{
std::vector<NvBlastChunkFractureData> chunkEvents; /* num lower-support chunks + bonds */
std::vector<NvBlastBondFractureData> bondEvents; /* num lower-support chunks + bonds */
chunkEvents.resize(testAsset->solverChunks.size());
bondEvents.resize(testAsset->solverBonds.size());
NvBlastExtRadialDamageDesc damage[] = {
{
compressiveDamage,
{ localPos.x, localPos.y, localPos.z },
minRadius,
maxRadius
}
};
NvBlastProgramParams programParams =
{
&damage,
1,
nullptr
};
NvBlastDamageProgram program = {
NvBlastExtFalloffGraphShader,
nullptr
};
std::vector<char> splitScratch;
std::vector<NvBlastActor*> newActors(testAsset->solverChunks.size());
size_t totalNewActorsCount = 0;
for (std::set<NvBlastActor*>::iterator k = actorsToDamage.begin(); k != actorsToDamage.end();)
{
NvBlastActor* actor = *k;
NvBlastFractureBuffers events = { (uint32_t)bondEvents.size(), (uint32_t)chunkEvents.size(), bondEvents.data(), chunkEvents.data() };
NvBlastActorGenerateFracture(&events, actor, program, &programParams, nullptr, &timers);
NvBlastActorApplyFracture(&events, actor, &events, nullptr, &timers);
bool removeActor = false;
if (events.bondFractureCount + events.chunkFractureCount > 0)
{
splitScratch.resize((size_t)NvBlastActorGetRequiredScratchForSplit(actor, nullptr));
NvBlastActorSplitEvent result;
result.deletedActor = nullptr;
result.newActors = &newActors[totalNewActorsCount];
const size_t bufferSize = newActors.size() - totalNewActorsCount;
const size_t newActorsCount = NvBlastActorSplit(&result, actor, (uint32_t)bufferSize, splitScratch.data(), nullptr, &timers);
totalNewActorsCount += newActorsCount;
removeActor = newActorsCount > 0;
}
if (removeActor)
{
k = actorsToDamage.erase(k);
}
else
{
++k;
}
}
for (size_t i = 0; i < totalNewActorsCount; ++i)
{
actorsToDamage.insert(newActors[i]);
}
}
typedef BlastBasePerfTest<NvBlastMessage::Warning, 1> BlastBasePerfTestStrict;
class PerfTest : public BlastBasePerfTestStrict
{
public:
void damageLeafSupportActors(const char* testName, uint32_t assetCount, uint32_t familyCount, uint32_t damageCount)
{
const float relativeDamageRadius = 0.2f;
const float compressiveDamage = 1.0f;
const uint32_t minChunkCount = 100;
const uint32_t maxChunkCount = 10000;
srand(0);
for (uint32_t assetNum = 0; assetNum < assetCount; ++assetNum)
{
CubeAssetGenerator::Settings settings;
settings.extents = GeneratorAsset::Vec3(1, 1, 1);
CubeAssetGenerator::DepthInfo depthInfo;
depthInfo.slicesPerAxis = GeneratorAsset::Vec3(1, 1, 1);
depthInfo.flag = NvBlastChunkDesc::Flags::NoFlags;
settings.depths.push_back(depthInfo);
uint32_t chunkCount = 1;
while (chunkCount < minChunkCount)
{
uint32_t chunkMul;
do
{
depthInfo.slicesPerAxis = GeneratorAsset::Vec3((float)(1 + rand() % 4), (float)(1 + rand() % 4), (float)(1 + rand() % 4));
chunkMul = (uint32_t)(depthInfo.slicesPerAxis.x * depthInfo.slicesPerAxis.y * depthInfo.slicesPerAxis.z);
} while (chunkMul == 1);
if (chunkCount*chunkMul > maxChunkCount)
{
break;
}
chunkCount *= chunkMul;
settings.depths.push_back(depthInfo);
settings.extents = settings.extents * depthInfo.slicesPerAxis;
}
settings.depths.back().flag = NvBlastChunkDesc::SupportFlag; // Leaves are support
// Make largest direction unit size
settings.extents = settings.extents * (1.0f / std::max(settings.extents.x, std::max(settings.extents.y, settings.extents.z)));
// Create asset
GeneratorAsset testAsset;
CubeAssetGenerator::generate(testAsset, settings);
NvBlastAssetDesc desc;
desc.chunkDescs = &testAsset.solverChunks[0];
desc.chunkCount = (uint32_t)testAsset.solverChunks.size();
desc.bondDescs = &testAsset.solverBonds[0];
desc.bondCount = (uint32_t)testAsset.solverBonds.size();
{
std::vector<char> scratch;
scratch.resize((size_t)NvBlastGetRequiredScratchForCreateAsset(&desc, messageLog));
void* mem = alloc(NvBlastGetAssetMemorySize(&desc, messageLog));
NvBlastAsset* asset = NvBlastCreateAsset(mem, &desc, &scratch[0], messageLog);
EXPECT_TRUE(asset != nullptr);
// Generate familes
for (uint32_t familyNum = 0; familyNum < familyCount; ++familyNum)
{
// create actor
NvBlastActorDesc actorDesc;
actorDesc.initialBondHealths = nullptr;
actorDesc.uniformInitialBondHealth = 1.0f;
actorDesc.initialSupportChunkHealths = nullptr;
actorDesc.uniformInitialLowerSupportChunkHealth = 1.0f;
void* mem = alloc(NvBlastAssetGetFamilyMemorySize(asset, messageLog));
NvBlastFamily* family = NvBlastAssetCreateFamily(mem, asset, messageLog);
scratch.resize((size_t)NvBlastFamilyGetRequiredScratchForCreateFirstActor(family, messageLog));
EXPECT_TRUE(family != nullptr);
NvBlastActor* actor = NvBlastFamilyCreateFirstActor(family, &actorDesc, &scratch[0], messageLog);
EXPECT_TRUE(actor != nullptr);
// Generate damage
std::set<NvBlastActor*> actors;
actors.insert(actor);
for (uint32_t damageNum = 0; damageNum < damageCount; ++damageNum)
{
GeneratorAsset::Vec3 localPos = settings.extents*GeneratorAsset::Vec3((float)rand() / RAND_MAX - 0.5f, (float)rand() / RAND_MAX - 0.5f, (float)rand() / RAND_MAX - 0.5f);
NvBlastTimers timers;
NvBlastTimersReset(&timers);
blast(actors, &testAsset, localPos, relativeDamageRadius, relativeDamageRadius*1.2f, compressiveDamage, timers);
const std::string timingName = std::string(testName) + " asset " + std::to_string(assetNum) + " family " + std::to_string(familyNum) + " damage " + std::to_string(damageNum);
BlastBasePerfTestStrict::reportData(timingName + " material", timers.material);
BlastBasePerfTestStrict::reportData(timingName + " fracture", timers.fracture);
BlastBasePerfTestStrict::reportData(timingName + " island", timers.island);
BlastBasePerfTestStrict::reportData(timingName + " partition", timers.partition);
BlastBasePerfTestStrict::reportData(timingName + " visibility", timers.visibility);
}
// Release remaining actors
std::for_each(actors.begin(), actors.end(), [](NvBlastActor* a){ NvBlastActorDeactivate(a, messageLog); });
actors.clear();
free(family);
}
// Release asset data
free(asset);
}
}
}
};
// Tests
TEST_F(PerfTest, DamageLeafSupportActorsTestVisibility)
{
const int trialCount = 1000;
std::cout << "Trial (of " << trialCount << "): ";
for (int trial = 1; trial <= trialCount; ++trial)
{
if (trial % 100 == 0)
{
std::cout << trial << ".. ";
std::cout.flush();
}
damageLeafSupportActors(test_info_->name(), 4, 4, 5);
}
std::cout << "done." << std::endl;
}
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