//-----------------------------------------------------------------------
void InstanceBatchShader::setupHardwareSkinned( const SubMesh* baseSubMesh, VertexData *thisVertexData,
VertexData *baseVertexData )
{
const size_t numBones = baseSubMesh->blendIndexToBoneIndexMap.size();
mNumWorldMatrices = mInstancesPerBatch * numBones;
for( size_t i=0; i<=thisVertexData->vertexDeclaration->getMaxSource(); ++i )
{
//Create our own vertex buffer
HardwareVertexBufferSharedPtr vertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
thisVertexData->vertexDeclaration->getVertexSize(i),
thisVertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY );
thisVertexData->vertexBufferBinding->setBinding( i, vertexBuffer );
VertexDeclaration::VertexElementList veList =
thisVertexData->vertexDeclaration->findElementsBySource(i);
//Grab the base submesh data
HardwareVertexBufferSharedPtr baseVertexBuffer =
baseVertexData->vertexBufferBinding->getBuffer(i);
char* thisBuf = static_cast<char*>(vertexBuffer->lock(HardwareBuffer::HBL_DISCARD));
char* baseBuf = static_cast<char*>(baseVertexBuffer->lock(HardwareBuffer::HBL_READ_ONLY));
char *startBuf = baseBuf;
//Copy and repeat
for( size_t j=0; j<mInstancesPerBatch; ++j )
{
//Repeat source
baseBuf = startBuf;
for( size_t k=0; k<baseVertexData->vertexCount; ++k )
{
VertexDeclaration::VertexElementList::const_iterator it = veList.begin();
VertexDeclaration::VertexElementList::const_iterator en = veList.end();
while( it != en )
{
switch( it->getSemantic() )
{
case VES_BLEND_INDICES:
*(thisBuf + it->getOffset() + 0) = *(baseBuf + it->getOffset() + 0) + j * numBones;
*(thisBuf + it->getOffset() + 1) = *(baseBuf + it->getOffset() + 1) + j * numBones;
*(thisBuf + it->getOffset() + 2) = *(baseBuf + it->getOffset() + 2) + j * numBones;
*(thisBuf + it->getOffset() + 3) = *(baseBuf + it->getOffset() + 3) + j * numBones;
break;
default:
memcpy( thisBuf + it->getOffset(), baseBuf + it->getOffset(), it->getSize() );
break;
}
++it;
}
thisBuf += baseVertexData->vertexDeclaration->getVertexSize(i);
baseBuf += baseVertexData->vertexDeclaration->getVertexSize(i);
}
}
baseVertexBuffer->unlock();
vertexBuffer->unlock();
}
}
//---------------------------------------------------------------------
bool OptimiseTool::calculateDuplicateVertices()
{
bool duplicates = false;
// Lock all the buffers first
typedef std::vector<char*> BufferLocks;
BufferLocks bufferLocks;
const VertexBufferBinding::VertexBufferBindingMap& bindings =
mTargetVertexData->vertexBufferBinding->getBindings();
VertexBufferBinding::VertexBufferBindingMap::const_iterator bindi;
bufferLocks.resize(mTargetVertexData->vertexBufferBinding->getLastBoundIndex()+1);
for (bindi = bindings.begin(); bindi != bindings.end(); ++bindi)
{
char* lock = static_cast<char*>(bindi->second->lock(HardwareBuffer::HBL_READ_ONLY));
bufferLocks[bindi->first] = lock;
}
for (uint32 v = 0; v < mTargetVertexData->vertexCount; ++v)
{
UniqueVertex uniqueVertex;
const VertexDeclaration::VertexElementList& elemList =
mTargetVertexData->vertexDeclaration->getElements();
VertexDeclaration::VertexElementList::const_iterator elemi;
unsigned short uvSets = 0;
for (elemi = elemList.begin(); elemi != elemList.end(); ++elemi)
{
// all float pointers for the moment
float *pFloat;
elemi->baseVertexPointerToElement(
bufferLocks[elemi->getSource()], &pFloat);
switch(elemi->getSemantic())
{
case VES_POSITION:
uniqueVertex.position.x = *pFloat++;
uniqueVertex.position.y = *pFloat++;
uniqueVertex.position.z = *pFloat++;
break;
case VES_NORMAL:
uniqueVertex.normal.x = *pFloat++;
uniqueVertex.normal.y = *pFloat++;
uniqueVertex.normal.z = *pFloat++;
break;
case VES_TANGENT:
uniqueVertex.tangent.x = *pFloat++;
uniqueVertex.tangent.y = *pFloat++;
uniqueVertex.tangent.z = *pFloat++;
// support w-component on tangent if present
if (VertexElement::getTypeCount(elemi->getType()) == 4)
{
uniqueVertex.tangent.w = *pFloat++;
}
break;
case VES_BINORMAL:
uniqueVertex.binormal.x = *pFloat++;
uniqueVertex.binormal.y = *pFloat++;
uniqueVertex.binormal.z = *pFloat++;
break;
case VES_TEXTURE_COORDINATES:
// supports up to 4 dimensions
for (unsigned short dim = 0;
dim < VertexElement::getTypeCount(elemi->getType()); ++dim)
{
uniqueVertex.uv[elemi->getIndex()][dim] = *pFloat++;
}
++uvSets;
break;
case VES_BLEND_INDICES:
case VES_BLEND_WEIGHTS:
case VES_DIFFUSE:
case VES_SPECULAR:
// No action needed for these semantics.
break;
};
}
if (v == 0)
{
// set up comparator
UniqueVertexLess lessObj;
lessObj.pos_tolerance = mPosTolerance;
lessObj.norm_tolerance = mNormTolerance;
lessObj.uv_tolerance = mUVTolerance;
lessObj.uvSets = uvSets;
mUniqueVertexMap = UniqueVertexMap(lessObj);
}
// try to locate equivalent vertex in the list already
uint32 indexUsed;
UniqueVertexMap::iterator ui = mUniqueVertexMap.find(uniqueVertex);
bool isOrig = false;
if (ui != mUniqueVertexMap.end())
{
// re-use vertex, remap
indexUsed = ui->second.newIndex;
duplicates = true;
}
else
{
// new vertex
isOrig = true;
indexUsed = static_cast<uint32>(mUniqueVertexMap.size());
// store the originating and new vertex index in the unique map
VertexInfo newInfo(v, indexUsed);
// lookup
mUniqueVertexMap[uniqueVertex] = newInfo;
// ordered
mUniqueVertexList.push_back(newInfo);
}
// Insert remap entry (may map to itself)
mIndexRemap.push_back(IndexInfo(indexUsed, isOrig));
// increment buffer lock pointers
for (bindi = bindings.begin(); bindi != bindings.end(); ++bindi)
{
bufferLocks[bindi->first] += bindi->second->getVertexSize();
}
}
// unlock the buffers now
for (bindi = bindings.begin(); bindi != bindings.end(); ++bindi)
{
bindi->second->unlock();
}
// Were there duplicates?
return duplicates;
}
