Blender V5.0
Classes | Functions | Variables
btBatchedConstraints.cpp File Reference
#include "btBatchedConstraints.h"
#include "LinearMath/btIDebugDraw.h"
#include "LinearMath/btMinMax.h"
#include "LinearMath/btStackAlloc.h"
#include "LinearMath/btQuickprof.h"
#include <string.h>
#include <cmath>

Go to the source code of this file.

Classes

struct  btBatchedConstraintInfo
struct  btBatchInfo
struct  ReadSolverConstraintsLoop
struct  ExpandConstraintRowsLoop
struct  UpdateConstraintBatchIdsForMergesLoop
struct  WriteOutConstraintIndicesLoop
class  PreallocatedMemoryHelper< N >
struct  btIntVec3
struct  AssignConstraintsToGridBatchesParams
struct  AssignConstraintsToGridBatchesLoop

Functions

static void debugDrawSingleBatch (const btBatchedConstraints *bc, btConstraintArray *constraints, const btAlignedObjectArray< btSolverBody > &bodies, int iBatch, const btVector3 &color, const btVector3 &offset)
static void debugDrawPhase (const btBatchedConstraints *bc, btConstraintArray *constraints, const btAlignedObjectArray< btSolverBody > &bodies, int iPhase, const btVector3 &color0, const btVector3 &color1, const btVector3 &offset)
static void debugDrawAllBatches (const btBatchedConstraints *bc, btConstraintArray *constraints, const btAlignedObjectArray< btSolverBody > &bodies)
static void initBatchedBodyDynamicFlags (btAlignedObjectArray< bool > *outBodyDynamicFlags, const btAlignedObjectArray< btSolverBody > &bodies)
static int runLengthEncodeConstraintInfo (btBatchedConstraintInfo *outConInfos, int numConstraints)
static int initBatchedConstraintInfo (btBatchedConstraintInfo *outConInfos, btConstraintArray *constraints)
static void expandConstraintRowsInPlace (int *constraintBatchIds, const btBatchedConstraintInfo *conInfos, int numConstraints, int numConstraintRows)
static void expandConstraintRows (int *destConstraintBatchIds, const int *srcConstraintBatchIds, const btBatchedConstraintInfo *conInfos, int numConstraints, int numConstraintRows)
static void expandConstraintRowsMt (int *destConstraintBatchIds, const int *srcConstraintBatchIds, const btBatchedConstraintInfo *conInfos, int numConstraints, int numConstraintRows)
static void initBatchedConstraintInfoArray (btAlignedObjectArray< btBatchedConstraintInfo > *outConInfos, btConstraintArray *constraints)
static void mergeSmallBatches (btBatchInfo *batches, int iBeginBatch, int iEndBatch, int minBatchSize, int maxBatchSize)
static void updateConstraintBatchIdsForMerges (int *constraintBatchIds, int numConstraints, const btBatchInfo *batches, int numBatches)
static void updateConstraintBatchIdsForMergesMt (int *constraintBatchIds, int numConstraints, const btBatchInfo *batches, int numBatches)
bool BatchCompare (const btBatchedConstraints::Range &a, const btBatchedConstraints::Range &b)
static void writeOutConstraintIndicesForRangeOfBatches (btBatchedConstraints *bc, const int *constraintBatchIds, int numConstraints, int *constraintIdPerBatch, int batchBegin, int batchEnd)
static void writeOutConstraintIndicesMt (btBatchedConstraints *bc, const int *constraintBatchIds, int numConstraints, int *constraintIdPerBatch, int maxNumBatchesPerPhase, int numPhases)
static void writeGrainSizes (btBatchedConstraints *bc)
static void writeOutBatches (btBatchedConstraints *bc, const int *constraintBatchIds, int numConstraints, const btBatchInfo *batches, int *batchWork, int maxNumBatchesPerPhase, int numPhases)
static btVector3 findMaxDynamicConstraintExtent (btVector3 *bodyPositions, bool *bodyDynamicFlags, btBatchedConstraintInfo *conInfos, int numConstraints, int numBodies)
static void assignConstraintsToGridBatches (const AssignConstraintsToGridBatchesParams &params, int iConBegin, int iConEnd)
static void setupSpatialGridBatchesMt (btBatchedConstraints *batchedConstraints, btAlignedObjectArray< char > *scratchMemory, btConstraintArray *constraints, const btAlignedObjectArray< btSolverBody > &bodies, int minBatchSize, int maxBatchSize, bool use2DGrid)
static void setupSingleBatch (btBatchedConstraints *bc, int numConstraints)

Variables

const int kNoMerge = -1

Function Documentation

◆ assignConstraintsToGridBatches()

void assignConstraintsToGridBatches ( const AssignConstraintsToGridBatchesParams & params,
int iConBegin,
int iConEnd )
static

Definition at line 705 of file btBatchedConstraints.cpp.

References btBatchedConstraintInfo::bodyIds, BT_PROFILE, btAssert, btClamp(), btMax(), btMin(), i, btIntVec3::m_ints, and params.

Referenced by AssignConstraintsToGridBatchesLoop::forLoop(), and setupSpatialGridBatchesMt().

◆ BatchCompare()

bool BatchCompare ( const btBatchedConstraints::Range & a,
const btBatchedConstraints::Range & b )
inline

Definition at line 432 of file btBatchedConstraints.cpp.

References b, btBatchedConstraints::Range::begin, and btBatchedConstraints::Range::end.

Referenced by writeOutBatches().

◆ debugDrawAllBatches()

void debugDrawAllBatches ( const btBatchedConstraints * bc,
btConstraintArray * constraints,
const btAlignedObjectArray< btSolverBody > & bodies )
static

Definition at line 145 of file btBatchedConstraints.cpp.

References b, BT_LARGE_FLOAT, BT_PROFILE, btVector3, constraints, debugDrawPhase(), float, btBatchedConstraints::m_debugDrawer, btBatchedConstraints::m_phases, pos, and btAlignedObjectArray< T >::size().

Referenced by btBatchedConstraints::setup().

◆ debugDrawPhase()

void debugDrawPhase ( const btBatchedConstraints * bc,
btConstraintArray * constraints,
const btAlignedObjectArray< btSolverBody > & bodies,
int iPhase,
const btVector3 & color0,
const btVector3 & color1,
const btVector3 & offset )
static

Definition at line 124 of file btBatchedConstraints.cpp.

References btBatchedConstraints::Range::begin, BT_PROFILE, btMax(), btVector3, col, constraints, debugDrawSingleBatch(), btBatchedConstraints::Range::end, float, lerp, btBatchedConstraints::m_debugDrawer, and btBatchedConstraints::m_phases.

Referenced by debugDrawAllBatches().

◆ debugDrawSingleBatch()

void debugDrawSingleBatch ( const btBatchedConstraints * bc,
btConstraintArray * constraints,
const btAlignedObjectArray< btSolverBody > & bodies,
int iBatch,
const btVector3 & color,
const btVector3 & offset )
static

Definition at line 101 of file btBatchedConstraints.cpp.

References b, btSolverConstraint, btVector3, constraints, btIDebugDraw::drawLine(), btBatchedConstraints::m_batches, btBatchedConstraints::m_constraintIndices, and btBatchedConstraints::m_debugDrawer.

Referenced by debugDrawPhase().

◆ expandConstraintRows()

void expandConstraintRows ( int * destConstraintBatchIds,
const int * srcConstraintBatchIds,
const btBatchedConstraintInfo * conInfos,
int numConstraints,
int numConstraintRows )
static

Definition at line 286 of file btBatchedConstraints.cpp.

References BT_PROFILE, btAssert, btBatchedConstraintInfo::constraintIndex, i, btBatchedConstraintInfo::numConstraintRows, and numConstraints.

Referenced by ExpandConstraintRowsLoop::forLoop().

◆ expandConstraintRowsInPlace()

void expandConstraintRowsInPlace ( int * constraintBatchIds,
const btBatchedConstraintInfo * conInfos,
int numConstraints,
int numConstraintRows )
static

Definition at line 265 of file btBatchedConstraints.cpp.

References BT_PROFILE, btAssert, btBatchedConstraintInfo::constraintIndex, i, btBatchedConstraintInfo::numConstraintRows, and numConstraints.

◆ expandConstraintRowsMt()

void expandConstraintRowsMt ( int * destConstraintBatchIds,
const int * srcConstraintBatchIds,
const btBatchedConstraintInfo * conInfos,
int numConstraints,
int numConstraintRows )
static

Definition at line 323 of file btBatchedConstraints.cpp.

References BT_PROFILE, btParallelFor(), and numConstraints.

Referenced by setupSpatialGridBatchesMt().

◆ findMaxDynamicConstraintExtent()

btVector3 findMaxDynamicConstraintExtent ( btVector3 * bodyPositions,
bool * bodyDynamicFlags,
btBatchedConstraintInfo * conInfos,
int numConstraints,
int numBodies )
static

Definition at line 653 of file btBatchedConstraints.cpp.

References btBatchedConstraintInfo::bodyIds, BT_PROFILE, btAssert, btVector3, numBodies, and numConstraints.

Referenced by setupSpatialGridBatchesMt().

◆ initBatchedBodyDynamicFlags()

void initBatchedBodyDynamicFlags ( btAlignedObjectArray< bool > * outBodyDynamicFlags,
const btAlignedObjectArray< btSolverBody > & bodies )
static

Definition at line 175 of file btBatchedConstraints.cpp.

References BT_PROFILE, btSolverBody, i, btAlignedObjectArray< T >::resizeNoInitialize(), btAlignedObjectArray< T >::size(), and x.

◆ initBatchedConstraintInfo()

int initBatchedConstraintInfo ( btBatchedConstraintInfo * outConInfos,
btConstraintArray * constraints )
static

Definition at line 234 of file btBatchedConstraints.cpp.

References btBatchedConstraintInfo::bodyIds, BT_PROFILE, btParallelFor(), btSolverConstraint, btBatchedConstraintInfo::constraintIndex, constraints, i, btBatchedConstraintInfo::numConstraintRows, numConstraints, and runLengthEncodeConstraintInfo().

Referenced by initBatchedConstraintInfoArray(), and setupSpatialGridBatchesMt().

◆ initBatchedConstraintInfoArray()

void initBatchedConstraintInfoArray ( btAlignedObjectArray< btBatchedConstraintInfo > * outConInfos,
btConstraintArray * constraints )
static

Definition at line 331 of file btBatchedConstraints.cpp.

References btAlignedObjectArray< T >::at(), BT_PROFILE, constraints, initBatchedConstraintInfo(), numConstraints, and btAlignedObjectArray< T >::resizeNoInitialize().

◆ mergeSmallBatches()

void mergeSmallBatches ( btBatchInfo * batches,
int iBeginBatch,
int iEndBatch,
int minBatchSize,
int maxBatchSize )
static

Definition at line 342 of file btBatchedConstraints.cpp.

References batch, BT_PROFILE, kNoMerge, btBatchInfo::mergeIndex, and btBatchInfo::numConstraints.

Referenced by setupSpatialGridBatchesMt().

◆ runLengthEncodeConstraintInfo()

int runLengthEncodeConstraintInfo ( btBatchedConstraintInfo * outConInfos,
int numConstraints )
static

Definition at line 187 of file btBatchedConstraints.cpp.

References btBatchedConstraintInfo::bodyIds, BT_PROFILE, btBatchedConstraintInfo::constraintIndex, btBatchedConstraintInfo::numConstraintRows, and numConstraints.

Referenced by initBatchedConstraintInfo().

◆ setupSingleBatch()

void setupSingleBatch ( btBatchedConstraints * bc,
int numConstraints )
static

Definition at line 1036 of file btBatchedConstraints.cpp.

References BT_PROFILE, i, btBatchedConstraints::m_batches, btBatchedConstraints::m_constraintIndices, btBatchedConstraints::m_phaseGrainSize, btBatchedConstraints::m_phaseOrder, btBatchedConstraints::m_phases, numConstraints, btAlignedObjectArray< T >::push_back(), btAlignedObjectArray< T >::resize(), and btAlignedObjectArray< T >::resizeNoInitialize().

Referenced by btBatchedConstraints::setup().

◆ setupSpatialGridBatchesMt()

void setupSpatialGridBatchesMt ( btBatchedConstraints * batchedConstraints,
btAlignedObjectArray< char > * scratchMemory,
btConstraintArray * constraints,
const btAlignedObjectArray< btSolverBody > & bodies,
int minBatchSize,
int maxBatchSize,
bool use2DGrid )
static

Definition at line 816 of file btBatchedConstraints.cpp.

References PreallocatedMemoryHelper< N >::addChunk(), assignConstraintsToGridBatches(), btAlignedObjectArray< T >::at(), batch, BT_LARGE_FLOAT, BT_PROFILE, btAssert, btMax(), btParallelFor(), btSolverBody, btVector3, btAlignedObjectArray< T >::capacity(), constraints, expandConstraintRowsMt(), findMaxDynamicConstraintExtent(), float, PreallocatedMemoryHelper< N >::getSizeToAllocate(), i, initBatchedConstraintInfo(), btIntVec3::m_ints, mergeSmallBatches(), btBatchedConstraintInfo::numConstraintRows, numConstraints, params, btAlignedObjectArray< T >::reserve(), btAlignedObjectArray< T >::resizeNoInitialize(), PreallocatedMemoryHelper< N >::setChunkPointers(), btAlignedObjectArray< T >::size(), updateConstraintBatchIdsForMergesMt(), v, btBatchedConstraints::validate(), writeOutBatches(), and x.

Referenced by btBatchedConstraints::setup().

◆ updateConstraintBatchIdsForMerges()

void updateConstraintBatchIdsForMerges ( int * constraintBatchIds,
int numConstraints,
const btBatchInfo * batches,
int numBatches )
static

Definition at line 388 of file btBatchedConstraints.cpp.

References BT_PROFILE, btAssert, i, kNoMerge, btBatchInfo::mergeIndex, and numConstraints.

Referenced by UpdateConstraintBatchIdsForMergesLoop::forLoop().

◆ updateConstraintBatchIdsForMergesMt()

void updateConstraintBatchIdsForMergesMt ( int * constraintBatchIds,
int numConstraints,
const btBatchInfo * batches,
int numBatches )
static

Definition at line 424 of file btBatchedConstraints.cpp.

References BT_PROFILE, btParallelFor(), and numConstraints.

Referenced by setupSpatialGridBatchesMt().

◆ writeGrainSizes()

void writeGrainSizes ( btBatchedConstraints * bc)
static

Definition at line 515 of file btBatchedConstraints.cpp.

References btGetTaskScheduler(), btMax(), btITaskScheduler::getNumThreads(), btBatchedConstraints::m_phaseGrainSize, btBatchedConstraints::m_phases, and btAlignedObjectArray< T >::resizeNoInitialize().

Referenced by writeOutBatches().

◆ writeOutBatches()

void writeOutBatches ( btBatchedConstraints * bc,
const int * constraintBatchIds,
int numConstraints,
const btBatchInfo * batches,
int * batchWork,
int maxNumBatchesPerPhase,
int numPhases )
static

Definition at line 530 of file btBatchedConstraints.cpp.

References batch, BatchCompare(), BT_PROFILE, btAssert, i, btBatchedConstraints::m_batches, btBatchedConstraints::m_constraintIndices, btBatchedConstraints::m_phaseOrder, btBatchedConstraints::m_phases, numConstraints, btAlignedObjectArray< T >::reserve(), btAlignedObjectArray< T >::resize(), btAlignedObjectArray< T >::resizeNoInitialize(), writeGrainSizes(), and writeOutConstraintIndicesMt().

Referenced by setupSpatialGridBatchesMt().

◆ writeOutConstraintIndicesForRangeOfBatches()

void writeOutConstraintIndicesForRangeOfBatches ( btBatchedConstraints * bc,
const int * constraintBatchIds,
int numConstraints,
int * constraintIdPerBatch,
int batchBegin,
int batchEnd )
static

Definition at line 439 of file btBatchedConstraints.cpp.

References BT_PROFILE, btBatchedConstraints::m_constraintIndices, and numConstraints.

Referenced by WriteOutConstraintIndicesLoop::forLoop().

◆ writeOutConstraintIndicesMt()

void writeOutConstraintIndicesMt ( btBatchedConstraints * bc,
const int * constraintBatchIds,
int numConstraints,
int * constraintIdPerBatch,
int maxNumBatchesPerPhase,
int numPhases )
static

Definition at line 489 of file btBatchedConstraints.cpp.

References BT_PROFILE, btParallelFor(), btBatchedConstraints::m_constraintIndices, and numConstraints.

Referenced by writeOutBatches().

Variable Documentation

◆ kNoMerge

const int kNoMerge = -1

Definition at line 27 of file btBatchedConstraints.cpp.

Referenced by btBatchInfo::btBatchInfo(), mergeSmallBatches(), and updateConstraintBatchIdsForMerges().

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