diff options
| author | Chris Robinson <[email protected]> | 2017-09-22 05:42:04 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2017-09-22 05:42:04 -0700 |
| commit | 369f52a0d76e1be1407441ca0bb67343cffa95f3 (patch) | |
| tree | ab40abba1c463603f9401a7dc08cf207379b9794 /docs | |
| parent | 9007b7735519b049668ccd0c787ef52a00934386 (diff) | |
Add an option to ignore the app's speed of sound for reverb decay
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/env-vars.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/env-vars.txt b/docs/env-vars.txt index b2268643..a973ee81 100644 --- a/docs/env-vars.txt +++ b/docs/env-vars.txt @@ -79,3 +79,13 @@ which some applications make use of to protect against partial updates. In an attempt to standardize on that behavior, OpenAL Soft has changed those methods accordingly. Setting this to "ignore" restores the previous no-op behavior for applications that interact poorly with the new behavior. + +__ALSOFT_REVERB_IGNORES_SOUND_SPEED +Older versions of OpenAL Soft ignored the app-specified speed of sound when +calculating distance-related reverb decays and always assumed the default +343.3m/s. Now, both of the AL_SPEED_OF_SOUND and AL_METERS_PER_UNIT properties +are taken into account for speed of sound adjustments to have an appropriate +affect on the reverb decay. Consequently, applications that use reverb but +don't set these properties properly may find the reverb decay too strong. +Setting this to "true" or "1" will revert to the old behavior for those apps +and assume the default speed of sound for reverb. |