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Config-option to activate multithreaded/multicore mode for PhysX engine.

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This commit is contained in:
enn0x 2010-03-26 13:13:15 +00:00
parent 19346fa3ca
commit 7b2df70c7b
3 changed files with 27 additions and 15 deletions
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23
panda/src/physx/config_physx.cxx
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@ -54,10 +54,8 @@
#include "physxSphericalJoint.h"
#include "physxTriangleMesh.h"
#include "physxTriangleMeshShape.h"
//#include "physxVehicle.h"
//#include "physxVehicleGears.h"
//#include "physxVehicleMotor.h"
//#include "physxWheel.h"
#include "physxVehicle.h"
#include "physxWheel.h"
#include "physxWheelShape.h"
ConfigureDef(config_physx);
@ -75,13 +73,13 @@ PRC_DESC("Specified wether the manager should try to connect to the NVIDIA "
ConfigVariableString physx_vrd_host
("physx-vrd-host", "localhost",
PRC_DESC("Specified the host where the NVIDIA PhysX visual debugger is running"
PRC_DESC("Specified the host where the NVIDIA PhysX visual debugger is running "
"on. Only used if the config-varibale 'physx-want-visual-debugger' "
"is set to 'true'."));
ConfigVariableInt physx_vrd_port
("physx-visual-debugger-port", 5425,
PRC_DESC("Specified the port where the NVIDIA PhysX visual debugger is running"
PRC_DESC("Specified the port where the NVIDIA PhysX visual debugger is running "
"on. Only used if the config-varibale 'physx-want-visual-debugger' "
"is set to 'true'."));
@ -89,6 +87,13 @@ ConfigVariableEnum<PhysxEnums::PhysxUpAxis> physx_up_axis
("physx-up-axis", PhysxEnums::Z_up,
PRC_DESC("Set the up direction for controllers and heightfields."));
ConfigVariableInt physx_internal_threads
("physx-internal-threads", 0,
PRC_DESC("Specified the number of internal threads to be created by the "
"PhysX engine. The threads will be moved to different cores, if "
"possible. Default value is '0'. PhysX then runs in an external "
"thread, but no additional internal threads will be created."));
////////////////////////////////////////////////////////////////////
// Function: init_libphysx
// Description: Initializes the library. This must be called at
@ -144,10 +149,8 @@ init_libphysx() {
PhysxSphericalJoint::init_type();
PhysxTriangleMesh::init_type();
PhysxTriangleMeshShape::init_type();
//PhysxVehicle::init_type();
//PhysxVehicleGears::init_type();
//PhysxVehicleMotor::init_type();
//PhysxWheel::init_type();
PhysxVehicle::init_type();
PhysxWheel::init_type();
PhysxWheelShape::init_type();
PandaSystem *ps = PandaSystem::get_global_ptr();

1
panda/src/physx/config_physx.h
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@ -30,6 +30,7 @@ NotifyCategoryDecl(physx, EXPCL_PANDAPHYSX, EXPTP_PANDAPHYSX);
extern EXPCL_PANDAPHYSX ConfigVariableBool physx_want_vrd;
extern EXPCL_PANDAPHYSX ConfigVariableString physx_vrd_host;
extern EXPCL_PANDAPHYSX ConfigVariableInt physx_vrd_port;
extern EXPCL_PANDAPHYSX ConfigVariableInt physx_internal_threads;
extern EXPCL_PANDAPHYSX ConfigVariableEnum<PhysxEnums::PhysxUpAxis> physx_up_axis;
extern EXPCL_PANDAPHYSX void init_libphysx();

18
panda/src/physx/physxManager.cxx
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@ -132,21 +132,29 @@ get_num_scenes() const {
// Description:
////////////////////////////////////////////////////////////////////
PhysxScene *PhysxManager::
create_scene(PhysxSceneDesc &desc) {
create_scene(PhysxSceneDesc &sceneDesc) {
nassertr(desc.is_valid(),NULL);
nassertr(sceneDesc.is_valid(),NULL);
//_desc.timeStepMethod = NX_TIMESTEP_FIXED;
//_desc.maxTimestep = 1.0f / 240.0f;
//_desc.maxIter = 8;
desc._desc.flags |= NX_SF_ENABLE_ACTIVETRANSFORMS;
desc._desc.flags |= NX_SF_SIMULATE_SEPARATE_THREAD;
sceneDesc._desc.flags |= NX_SF_ENABLE_ACTIVETRANSFORMS;
sceneDesc._desc.flags |= NX_SF_SIMULATE_SEPARATE_THREAD;
if (physx_internal_threads > 0) {
sceneDesc._desc.flags |= NX_SF_ENABLE_MULTITHREAD;
sceneDesc._desc.threadMask=0xfffffffe;
sceneDesc._desc.internalThreadCount = physx_internal_threads;
physx_cat.info() << "Multithreading enabled. "
<< "Additional threads: " << physx_internal_threads << endl;
}
PhysxScene *scene = new PhysxScene();
nassertr(scene, NULL);
NxScene *scenePtr = _sdk->createScene(desc._desc);
NxScene *scenePtr = _sdk->createScene(sceneDesc._desc);
nassertr(scenePtr, NULL);
scene->link(scenePtr);