ATI Catalyst Drivers 9.12 XP

# New Features

* ATI Catalyst™ support for DirectCompute 10.1
This release of ATI Catalyst™ provides full support for DirectCompute 10.1 for the ATI Radeon™ HD 4800 Series, ATI Radeon™ HD 4700 Series for both single card and ATI CrossFireX™ supported configurations.

* OpenGL 3.2 extension support

- Support for OpenGL Shading Language 1.50
- BGRA vertex component ordering (GL_ARB_vertex_array_bgra)
- Drawing commands allowing modification of the base vertex index (GL_ARB_draw_elements_base_vertex)
- Shader fragment coordinate convention control (GL_ARB_fragment_coord_conventions)
- Provoking vertex control (GL_ARB_provoking_vertex)
- Seamless cube map filtering (GL_ARB_seamless_cube_map)
- Multisampled textures and texture samplers for specific sample locations (GL_ARB_texture_multisample)
- Fragment depth clamping (GL_ARB_depth_clamp)
- Geometry shaders (GL_ARB_geometry_shader4)
- Fence sync objects (GL_ARB_sync)
- transform_feedback2
- texture_cubemap_array

# Performance Improvements

* The following performance gains are noticed with this release of Catalyst™ 9.12:
- 3DMark Vantage – overall performance improves as much as 9% on ATI Radeon HD 5800 and ATI Radeon HD 5700 series products. GT1 – Jane Nash performance improves as much as 15% and FT4 – GPU Cloth improves up to 15%
- S.T.A.L.K.E.R. – Call of Pripyat – Performance improves as much as 6% on single card configurations

# All Systems

* Confirmation dialog box is now displayed when extending the display through Catalyst Control Center
* Catalyst Control Center: all supported resolutions are now displayed in the Desktop Properties panel
* A confirmation dialog is now displayed when setting up an Eyefinity group

# Windows XP

* Tom Clancy's HAWX: VPU recover no longer occurs in some CrossFire configurations
* In some Clone Mode configuration with Windows XP, stretched desktop is now functional