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Optimize PhysX work dispatcher to be shared by all scenes

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This commit is contained in:
Wojtek Figat
2025-06-19 08:24:26 +02:00
parent 62e329ac6e
commit edb6884942
1 changed files with 9 additions and 5 deletions
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14
Source/Engine/Physics/PhysX/PhysicsBackendPhysX.cpp
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@@ -82,7 +82,6 @@ struct ActionDataPhysX
struct ScenePhysX
{
PxScene* Scene = nullptr;
PxCpuDispatcher* CpuDispatcher = nullptr;
PxControllerManager* ControllerManager = nullptr;
void* ScratchMemory = nullptr;
Vector3 Origin = Vector3::Zero;
@@ -542,6 +541,7 @@ namespace
{
PxFoundation* Foundation = nullptr;
PxPhysics* PhysX = nullptr;
PxDefaultCpuDispatcher* CpuDispatcher = nullptr;
#if WITH_PVD
PxPvd* PVD = nullptr;
#endif
@@ -1734,6 +1734,7 @@ void PhysicsBackend::Shutdown()
#if WITH_PVD
RELEASE_PHYSX(PVD);
#endif
RELEASE_PHYSX(CpuDispatcher);
RELEASE_PHYSX(Foundation);
SceneOrigins.Clear();
}
@@ -1791,9 +1792,13 @@ void* PhysicsBackend::CreateScene(const PhysicsSettings& settings)
}
if (sceneDesc.cpuDispatcher == nullptr)
{
scenePhysX->CpuDispatcher = PxDefaultCpuDispatcherCreate(Math::Clamp<uint32>(Platform::GetCPUInfo().ProcessorCoreCount - 1, 1, 4));
CHECK_INIT(scenePhysX->CpuDispatcher, "PxDefaultCpuDispatcherCreate failed!");
sceneDesc.cpuDispatcher = scenePhysX->CpuDispatcher;
if (CpuDispatcher == nullptr)
{
uint32 threads = Math::Clamp<uint32>(Platform::GetCPUInfo().ProcessorCoreCount - 1, 1, 4);
CpuDispatcher = PxDefaultCpuDispatcherCreate(threads);
CHECK_INIT(CpuDispatcher, "PxDefaultCpuDispatcherCreate failed!");
}
sceneDesc.cpuDispatcher = CpuDispatcher;
}
switch (settings.BroadPhaseType)
{
@@ -1855,7 +1860,6 @@ void PhysicsBackend::DestroyScene(void* scene)
}
#endif
RELEASE_PHYSX(scenePhysX->ControllerManager);
SAFE_DELETE(scenePhysX->CpuDispatcher);
Allocator::Free(scenePhysX->ScratchMemory);
scenePhysX->Scene->release();