summaryrefslogtreecommitdiff
path: root/src/renderergl1
diff options
context:
space:
mode:
authorZack Middleton <zturtleman@gmail.com>2015-07-04 19:17:58 -0500
committerTim Angus <tim@ngus.net>2016-04-07 11:02:29 +0100
commit00a83e798f7934962facba8e7864b215e1d94701 (patch)
treef060fbffb8fc20fabc2d9dd42ed8276bbf76ea70 /src/renderergl1
parentbb035728e23db00c7dfaecbdacf4e73aede43b2a (diff)
Apply greyscaling to fog blocks
Diffstat (limited to 'src/renderergl1')
-rw-r--r--src/renderergl1/tr_shader.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/renderergl1/tr_shader.c b/src/renderergl1/tr_shader.c
index 2a66afd0..34d6d64e 100644
--- a/src/renderergl1/tr_shader.c
+++ b/src/renderergl1/tr_shader.c
@@ -1569,6 +1569,23 @@ static qboolean ParseShader( char **text )
return qfalse;
}
+ if ( r_greyscale->integer )
+ {
+ float luminance;
+
+ luminance = LUMA( shader.fogParms.color[0], shader.fogParms.color[1], shader.fogParms.color[2] );
+ VectorSet( shader.fogParms.color, luminance, luminance, luminance );
+ }
+ else if ( r_greyscale->value )
+ {
+ float luminance;
+
+ luminance = LUMA( shader.fogParms.color[0], shader.fogParms.color[1], shader.fogParms.color[2] );
+ shader.fogParms.color[0] = LERP( shader.fogParms.color[0], luminance, r_greyscale->value );
+ shader.fogParms.color[1] = LERP( shader.fogParms.color[1], luminance, r_greyscale->value );
+ shader.fogParms.color[2] = LERP( shader.fogParms.color[2], luminance, r_greyscale->value );
+ }
+
token = COM_ParseExt( text, qfalse );
if ( !token[0] )
{