mapping-attributes

To update ovrtx internal buffers without data copies, use zero-copy attribute mapping to map CPU and GPU buffers for direct writes into RTX internal attribute memory. Validate tensor shapes and synchronization lifetimes before writing.

Zero-copy GPU attribute mapping provides direct memory access to update ovrtx buffers. You need it for high-performance per-frame transform or attribute updates where avoiding unnecessary data copies is critical.

Yes, zero-copy attribute mapping works with CUDA and Warp kernel writes. It supports GPU update workflows including synchronization handling and efficient repeated map/unmap operations.

To safely map and update a GPU attribute with zero-copy access, validate attribute mappability, tensor layout, synchronization lifecycle, and API-specific mapping constraints before performing direct kernel writes.

Limitations of zero-copy GPU buffer mapping include strict requirements for validating attribute mappability, tensor layout compatibility, and synchronization lifecycle. Violating API-specific mapping constraints during repeated map/unmap operations causes memory corruption.