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);
}
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);
for( size_t j=0; j < mInstancesPerBatch; ++j )
buf->WriteData(sd.GetSize()*j, sd.GetSize(), sd.data);
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* thisBufOrg = DI_NEW char[size];
char* thisBuf = thisBufOrg;
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->WriteData(0, size, thisBufOrg);
DI_DELETE[] thisBufOrg;
mSourceData.push_back(buf);
}
