void VertexStreamFormat(uint32_t index, vertex_elements_type const & vet)
{
vertex_streams_[index].format = vet;
uint32_t size = 0;
for (size_t i = 0; i < vet.size(); ++ i)
{
size += vet[i].element_size();
}
vertex_streams_[index].vertex_size = size;
streams_dirty_ = true;
}
void RenderLayout::BindVertexStream(GraphicsBufferPtr const & buffer, vertex_elements_type const & vet,
stream_type type, uint32_t freq)
{
BOOST_ASSERT(buffer);
uint32_t size = 0;
for (size_t i = 0; i < vet.size(); ++ i)
{
size += vet[i].element_size();
}
if (ST_Geometry == type)
{
for (size_t i = 0; i < vertex_streams_.size(); ++ i)
{
if (vertex_streams_[i].format == vet)
{
vertex_streams_[i].stream = buffer;
vertex_streams_[i].vertex_size = size;
vertex_streams_[i].type = type;
vertex_streams_[i].freq = freq;
return;
}
}
StreamUnit vs;
vs.stream = buffer;
vs.format = vet;
vs.vertex_size = size;
vs.type = type;
vs.freq = freq;
vertex_streams_.push_back(vs);
}
else
{
instance_stream_.stream = buffer;
instance_stream_.format = vet;
instance_stream_.vertex_size = size;
instance_stream_.type = type;
instance_stream_.freq = freq;
}
streams_dirty_ = true;
}
