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app: specify a lower tolerance for babl

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Permitting the use of LUT based functions for gamma conversions in float32.
This commit is contained in:
Øyvind Kolås 2012-04-01 03:09:20 +01:00 committed by Michael Natterer
parent 609e2d8cda
commit 1b64710e66
1 changed files with 8 additions and 0 deletions
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8
app/gegl/gimp-gegl.c
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@ -98,6 +98,14 @@ gimp_gegl_init (Gimp *gimp)
"cache-size", (gint) MIN (config->tile_cache_size, G_MAXINT), "cache-size", (gint) MIN (config->tile_cache_size, G_MAXINT),
NULL); NULL);
/* turn down the precision of babl - permitting use of lookup tables for
* gamma conversions, this precision is anyways high enough for both 8bit
* and 16bit operation
*/
g_object_set (gegl_config (),
"babl-tolerance", 0.00001,
NULL);
g_signal_connect (config, "notify::tile-cache-size", g_signal_connect (config, "notify::tile-cache-size",
G_CALLBACK (gimp_gegl_notify_tile_cache_size), G_CALLBACK (gimp_gegl_notify_tile_cache_size),
NULL); NULL);