HDR Bloom Tonemap
The HDR bloom tonemap effect provides two features:
- Adjust the gamma and exposure of the high-dynamic range rendered content to achieve the image quality you want.
- Apply an adjustable bloom effect to very bright areas (like the sun glinting off a car).
In the image below, the effect is applied in the right picture.
|Gamma||Affects the non-linear curve of the lighting. Higher values increase the exposure of mid tones, lightening the image (and decreasing the contrast). A value of |
|Exposure||A linear multiplier on the lighting, brightening, or darkening the image overall. A value of |
|Bloom threshold||Lighting greater than this value blooms. A value of |
|Bloom falloff||Adjusts the amount of bloom. Lower values result in stronger bloom effect; higher values make the effect more subtle.|
To disable bloom and use only the tone mapping, set Bloom falloff to a sufficiently high value, like
Available under certain Qt licenses.
Find out more.