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Add support for batch raycast to ConcaveRaycastDemo. Disabled by default.

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This commit is contained in:
johnmccutchan
2008-01-14 23:50:10 +00:00
parent 41e9491402
commit f593b6001f
2 changed files with 52 additions and 1 deletions
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51
Demos/ConcaveRaycastDemo/ConcaveRaycastDemo.cpp
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@@ -20,6 +20,21 @@ subject to the following restrictions:
#include "GL_ShapeDrawer.h"
#include "GlutStuff.h"
//#define BATCH_RAYCASTER
#ifdef BATCH_RAYCASTER
#include "../../Extras/BulletMultiThreaded/SpuBatchRaycaster.h"
static SpuBatchRaycaster* gBatchRaycaster = NULL;
#endif
#ifdef USE_LIBSPE2
#include "../../Extras/BulletMultiThreaded/SpuLibspe2Support.h"
#elif defined (WIN32)
#include "../../Extras/BulletMultiThreaded/Win32ThreadSupport.h"
#else
//other platforms run the parallel code sequentially (until pthread support or other parallel implementation is added)
#include "../../Extras/BulletMultiThreaded/SequentialThreadSupport.h"
#endif //USE_LIBSPE2
static btVector3* gVertices=0;
static int* gIndices=0;
@@ -141,8 +156,25 @@ public:
{
#ifdef USE_BT_CLOCK
frame_timer.reset ();
#endif //USE_BT_CLOCK
#ifdef BATCH_RAYCASTER
if (!gBatchRaycaster)
return;
gBatchRaycaster->clearRays ();
for (int i = 0; i < NUMRAYS_IN_BAR; i++)
{
gBatchRaycaster->addRay (source[i], dest[i]);
}
gBatchRaycaster->performBatchRaycast ();
for (int i = 0; i < gBatchRaycaster->getNumRays (); i++)
{
const SpuRaycastTaskWorkUnitOut& out = (*gBatchRaycaster)[i];
hit[i].setInterpolate3(source[i],dest[i],out.hitFraction);
normal[i] = out.hitNormal;
normal[i].normalize ();
}
#else
for (int i = 0; i < NUMRAYS_IN_BAR; i++)
{
btCollisionWorld::ClosestRayResultCallback cb(source[i], dest[i]);
@@ -174,6 +206,7 @@ public:
ms = 0;
frame_counter = 0;
}
#endif
}
void draw ()
@@ -256,6 +289,7 @@ void ConcaveRaycastDemo::initPhysics()
#define TRISIZE 10.f
int vertStride = sizeof(btVector3);
int indexStride = 3*sizeof(int);
@@ -332,6 +366,21 @@ void ConcaveRaycastDemo::initPhysics()
staticBody->setCollisionFlags(staticBody->getCollisionFlags() | btCollisionObject::CF_STATIC_OBJECT);
#ifdef BATCH_RAYCASTER
int maxNumOutstandingTasks = 4;
#ifdef USE_WIN32_THREADING
Win32ThreadSupport::Win32ThreadConstructionInfo tci("batch raycast",
processRaycastTask,
createRaycastLocalStoreMemory,
maxNumOutstandingTasks);
m_threadSupportRaycast = new Win32ThreadSupport(tci);
printf("m_threadSupportRaycast = %p\n", m_threadSupportRaycast);
#endif
gBatchRaycaster = new SpuBatchRaycaster (m_threadSupportRaycast, maxNumOutstandingTasks, m_dynamicsWorld->getCollisionObjectArray(), m_dynamicsWorld->getNumCollisionObjects());
#endif
raycastBar = btRaycastBar (4000.0, 0.0);
//raycastBar = btRaycastBar (true, 40.0, -50.0, 50.0);
}