+
+Bufferable::AsyncUpdater::AsyncUpdater(const Bufferable &b):
+ bufferable(b)
+{
+ bufferable.buffer->require_size(bufferable.get_required_buffer_size());
+ mapped_address = reinterpret_cast<char *>(bufferable.buffer->map());
+}
+
+Bufferable::AsyncUpdater::~AsyncUpdater()
+{
+ bufferable.buffer->unmap();
+}
+
+void Bufferable::AsyncUpdater::upload_data()
+{
+ bufferable.upload_data(mapped_address+bufferable.offset);
+ // Update all bufferables in the same buffer at once
+ for(const Bufferable *b=bufferable.prev_in_buffer; b; b=b->prev_in_buffer)
+ if(b->dirty)
+ b->upload_data(mapped_address+b->offset);
+ for(const Bufferable *b=bufferable.next_in_buffer; b; b=b->next_in_buffer)
+ if(b->dirty)
+ b->upload_data(mapped_address+b->offset);
+}
+