HDR

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HDR stands for High Dynamic Range. Instead of using 8 bit values per channel, HDR uses 16 or even 32 bit values, to allow for a much greater range of colours.

The games Half-Life 2: Lost Coast and Day of Defeat: Source introduce HDR into Source. Counter-Strike: Source also supports HDR.

See Also

• HDR Lighting Basics
• HDR Lighting Settings
• HDR Skybox Creation
• env_tonemap_controller

Links

• Wikipedia:High dynamic range rendering
• Wikipedia:High dynamic range imaging
• Real-Time High Dynamic Range Image-Based Lighting - demonstration for DirectX 9.0 graphics cards.