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 5000 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.
Requirements:
· Windows Vista or above operating system
· ATI Radeon HD 5000 Series graphics processor,
· ATI Catalyst 9.9 or higher software
· dual- or quad-core CPU
· 2GB of RAM.
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