void DiInstanceBatchHardware::SetupVertices( const DiSubMesh* baseSubMesh )
{
mRemoveOwnVertexData = true;
mVerticesNum = baseSubMesh->GetVerticeNum();
DiVertexElements elements = baseSubMesh->GetVertexElements();
int blendSource = RemoveBlendData(elements);
mVertexDecl = Driver->CreateVertexDeclaration();
mVertexDecl->AddElements(elements);
uint16 nextFreeStream = 0;
if (blendSource != -1)
nextFreeStream = (uint16)blendSource;
else
nextFreeStream = mVertexDecl->GetElements().GetStreams();
uint16 nextFreeUV = mVertexDecl->GetElements().GetNextFreeTexcoord();
if (nextFreeUV > 8-2)
{
DI_WARNING("No enough rooms for texcoords");
return;
}
mVertexDecl->AddElement(nextFreeStream, VERT_TYPE_FLOAT4, VERT_USAGE_TEXCOORD,5);
mVertexDecl->AddElement(nextFreeStream, VERT_TYPE_FLOAT4, VERT_USAGE_TEXCOORD,6);
mVertexDecl->AddElement(nextFreeStream, VERT_TYPE_FLOAT4, VERT_USAGE_TEXCOORD,7);
mVertexDecl->Create();
DiSubMesh::SourceDataIterator si = baseSubMesh->GetSourceDataIterator();
while (si.HasMoreElements())
{
DiSubMesh::SourceData sd = si.GetNext();
if ((int)(sd.stream) == blendSource)
{
continue;
}
DiVertexBuffer* buf = Driver->CreateVertexBuffer();
uint32 size = sd.GetSize();
buf->SetStride(sd.stride);
buf->Create(size,RU_WRITE_ONLY,sd.stream);
buf->WriteData(0, size, sd.data);
buf->SetInstanceState(SOURCE_INSTANCE_INDEX);
buf->SetInstanceNum(mInstancesPerBatch);
mSourceData.push_back(buf);
}
DiVertexBuffer* buf = Driver->CreateVertexBuffer();
uint32 stride = mVertexDecl->GetElements().GetStreamElementsSize(nextFreeStream);
uint32 size = mInstancesPerBatch * stride ;
buf->SetStride(stride);
buf->Create(size, RU_WRITE_ONLY, nextFreeStream);
buf->SetInstanceState(SOURCE_INSTANCE_DATA);
mSourceData.push_back(buf);
}
size_t DiMeshSerializerImpl::CalcStreamDataSize( const DiSubMesh* pSub )
{
size_t size = 0;
DiSubMesh::SourceDataIterator it = pSub->GetSourceDataIterator();
while (it.HasMoreElements())
{
DiSubMesh::SourceData sd = it.GetNext();
size += MSTREAM_OVERHEAD_SIZE;
size += sizeof(uint16);
size += sizeof(uint16);
size += sd.GetSize();
}
return size;
}
void DiInstanceBatchShader::SetupNoSkinned( const DiSubMesh* baseSubMesh )
{
mVertexDecl = Driver->CreateVertexDeclaration();
mVertexDecl->AddElements(baseSubMesh->GetVertexElements());
mVertexDecl->AddElement(mVertexDecl->GetElements().GetStreams(),VERT_TYPE_UBYTE4,VERT_USAGE_BLENDINDICES,0);
mVertexDecl->Create();
DiSubMesh::SourceDataIterator si = baseSubMesh->GetSourceDataIterator();
while (si.HasMoreElements())
{
DiSubMesh::SourceData sd = si.GetNext();
DiVertexBuffer* buf = Driver->CreateVertexBuffer();
uint32 size = sd.GetSize() * mInstancesPerBatch;
buf->SetStride(sd.stride);
buf->Create(size,RU_WRITE_ONLY,sd.stream);
BYTE* data = (BYTE*)buf->Lock(0,size);
for( size_t j=0; j < mInstancesPerBatch; ++j )
{
memcpy(data + sd.GetSize()*j,sd.data,sd.GetSize());
}
buf->Unlock();
mSourceData.push_back(buf);
}
uint16 lastStream = mVertexDecl->GetElements().GetStreams()-1;
DiVertexBuffer* buf = Driver->CreateVertexBuffer();
uint32 stride = mVertexDecl->GetElements().GetStreamElementsSize(lastStream);
uint32 size = baseSubMesh->GetVerticeNum() * stride * mInstancesPerBatch;
buf->SetStride(stride);
buf->Create(size, RU_WRITE_ONLY, lastStream);
char* thisBuf = static_cast<char*>(buf->Lock(0,size));
for( size_t j=0; j < mInstancesPerBatch; ++j )
{
for( size_t k=0; k<baseSubMesh->GetVerticeNum(); ++k )
{
*thisBuf++ = mInstancesPerBatch - j - 1;
*thisBuf++ = mInstancesPerBatch - j - 1;
*thisBuf++ = mInstancesPerBatch - j - 1;
*thisBuf++ = mInstancesPerBatch - j - 1;
}
}
buf->Unlock();
mSourceData.push_back(buf);
}
void DiMeshSerializerImpl::WriteGeometryVertexBuffer( DiSubMesh* pMesh )
{
DiSubMesh::SourceDataIterator it = pMesh->GetSourceDataIterator();
while (it.HasMoreElements())
{
DiSubMesh::SourceData sd = it.GetNext();
size_t size = MSTREAM_OVERHEAD_SIZE;
size += sizeof(uint16);
size += sizeof(uint16);
size += sd.GetSize();
WriteChunkHeader(DI_GEOMETRY_VERTEX_BUFFER,size);
WriteShorts(&sd.stream,1);
WriteShorts(&sd.stride,1);
WriteData(sd.data,sd.GetSize(),1);
}
}
void DiInstanceBatchShader::SetupHardwareSkinned( const DiSubMesh* baseSubMesh )
{
const size_t numBones = mMotionReference->GetSkeleton()->GetNumBones();//baseSubMesh->GetBlendIndexToBoneIndexMap().size();
m_usNumWorldMatrices = mInstancesPerBatch * numBones;
DiVertexElements eles = baseSubMesh->GetVertexElements();
uint16 nextFreeUV = eles.GetNextFreeTexcoord();
if (nextFreeUV > 8-1)
{
DI_WARNING("No enough rooms of texcoord");
return;
}
uint16 blendstream = eles.GetTypeUsageAtStream(VERT_TYPE_UBYTE4,VERT_USAGE_BLENDINDICES);
eles.AddElement(blendstream, VERT_TYPE_FLOAT1, VERT_USAGE_TEXCOORD, 7); //instanceID
mVertexDecl = Driver->CreateVertexDeclaration();
mVertexDecl->AddElements(eles);
mVertexDecl->Create();
DiSubMesh::SourceDataIterator si = baseSubMesh->GetSourceDataIterator();
while (si.HasMoreElements())
{
DiSubMesh::SourceData sd = si.GetNext();
DiVertexElements& ves = const_cast<DiSubMesh*>(baseSubMesh)->GetVertexElements();
DiVertexElements::ElementsList elementlist = ves.GetElementsAtStream(sd.stream);
DiVertexBuffer* buf = Driver->CreateVertexBuffer();
uint32 size = sd.GetSize() * mInstancesPerBatch;
buf->SetStride(sd.stride);
buf->Create(size, RU_WRITE_ONLY, sd.stream);
BYTE* startBuf = (BYTE*)buf->Lock(0,size);
BYTE* data = startBuf;
BYTE* startSrcBuf = (BYTE*)sd.data;
BYTE* dataSrc = startSrcBuf;
for( size_t j=0; j < mInstancesPerBatch; ++j )
{
dataSrc = startSrcBuf;
for (uint32 v = 0; v < sd.numVertices; v++)
{
for (size_t ei = 0; ei < elementlist.size(); ei++)
{
if (elementlist[ei].Usage == VERT_USAGE_BLENDINDICES)
{
*(data + elementlist[ei].Offset + 0) = *(dataSrc + elementlist[ei].Offset + 0) + j * numBones;
*(data + elementlist[ei].Offset + 1) = *(dataSrc + elementlist[ei].Offset + 1) + j * numBones;
*(data + elementlist[ei].Offset + 2) = *(dataSrc + elementlist[ei].Offset + 2) + j * numBones;
*(data + elementlist[ei].Offset + 3) = *(dataSrc + elementlist[ei].Offset + 3) + j * numBones;
}
else if (elementlist[ei].Usage == VERT_USAGE_TEXCOORD && elementlist[ei].UsageIndex == 7)
{
float* d = (float*)(data + elementlist[ei].Offset);
*d = (float)(j*numBones);
}
else
{
memcpy(data + elementlist[ei].Offset,dataSrc + elementlist[ei].Offset,
DiVertexElements::GetElementTypeSize(DiVertexType(elementlist[ei].Type)));
}
}
data += const_cast<DiSubMesh*>(baseSubMesh)->GetVertexElements().GetStreamElementsSize(sd.stream);
dataSrc += const_cast<DiSubMesh*>(baseSubMesh)->GetVertexElements().GetStreamElementsSize(sd.stream);
}
}
buf->Unlock();
mSourceData.push_back(buf);
}
}