Download » AMD DirectX 11 Techdemo Mecha

The Mecha demo shows the results of a new approach to rendering semi-transparent objects without pre-sorting, known as order-independent transparency (OIT). It is made possible by the ATI Radeon™ HD 5800 Series of graphics processors and the new features of Microsoft® DirectX® 11 technology.

Blending is an order-dependent operation that requires sorting objects before rendering them.

Atomic operations and append buffers make it possible to construct per-pixel fragment lists and sort them on the GPU. The results are a significant increase in speed and accuracy over those possible with traditional techniques.

The Mecha demo requires Windows 7® operating system, an ATI Radeon™ HD 5800 Series graphics processor, ATI Catalyst™ 9.9 or higher software, a dual- or quad-core CPU, and 2GB of RAM.