Yeah, though the 7800GTX is a great card
Look for a card when searching, that has CineFX 4.0 on it if its a Geforce card.
This will tell you that it supports HDR
If its a lower version of CineFX then it won't
I don't know how to check for ATI cards (the format used), though I don't even think they can support it yet.
Am I right?
and if they do, what do they call the archiecture (like Nvidia uses CineFX for advanced settings)?
"NVIDIA® CineFX™ 4.0 Shading Architecture
• Vertex Shaders
° Support for Microsoft DirectX 9.0 Vertex Shader 3.0
° Displacement mapping
° Geometry instancing
° Infinite length vertex programs
• Pixel Shaders
° Support for DirectX 9.0 Pixel Shader 3.0
° Full pixel branching support
° Support for Multiple Render Targets (MRTs)
° Infinite length pixel programs
• Next-Generation Texture Engine
° Accelerated texture access
° Up to 16 textures per rendering pass
° Support for 16-bit floating point format and 32-bit floating point format
° Support for non-power of two textures
° Support for sRGB texture format for gamma textures
° DirectX and S3TC texture compression
• Full 128-bit studio-quality floating point precision through the entire rendering pipeline with native hardware support for 32bpp, 64bpp, and 128bpp rendering modes"
The 128-bit floating point is what gives it HDR functionality by the way as one with this can have much better control over colour and brightness of pixels without messing any other pixels up which it isn't meant to do, and a lower floating point would do (32bpp for example) which would cause leakage in brightness.