ATI Radeon HD 2000 programming guide

Short Description
The ATI RadeonT HD 2000 series is a major upgrade to AMD’s graphics product line. ….. ATI Radeon HD 2000 it could potentially waste one scalar unit for …

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Copyright . 2007 Advanced Micro Devices Inc. ATI, the ATI logo, CrossFire, Radeon
and The Ultimate Visual Experience are trademarks of Advanced Micro Devices, Inc.
ATI Radeon. HD 2000 programming guide
Emil Persson
AMD Graphics Products Group
emil.persson@amd.com
Introduction
The ATI Radeon. HD 2000 series is a major upgrade to AMD’s graphics product line. It is based on a
new architecture and was built with full hardware support for the Direct3D?10 API. This guide goes
through the performance characteristics of this new chip and aims to help developers achieve the best
possible performance.
What’s new?
The most significant difference between the ATI Radeon HD 2000 and earlier hardware generations is
that it adds full support for Microsoft’s Direct3D 10 API. The ATI Radeon HD 2000 is built on a new
architecture and has many performance enhancements under the hood that changes its performance
characteristics compared to earlier generations. One important such enhancement is that the shader core
now is fully unified, meaning that the vertex shader, geometry shader and the pixel shader all share the
same shader resources. The hardware automatically schedules work onto the shader pipelines to…