QDistanceFieldMaterial: Use a smaller Z offset

The previous Z offset was too large because it sometimes caused the text
to be placed on top of objects it was supposed to be under.

Change-Id: I99bde5a93ea8c6443b1195d818075cebf3d082a4
Reviewed-by: Mike Krus <mike.krus@kdab.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/extras/shaders/gl3/distancefieldtext.frag b/src/extras/shaders/gl3/distancefieldtext.frag
index 8e0684adc..998fa6e79 100644
--- a/src/extras/shaders/gl3/distancefieldtext.frag
+++ b/src/extras/shaders/gl3/distancefieldtext.frag
@@ -35,5 +35,5 @@ void main()
 
     float distVal = texture(distanceFieldTexture, texCoord).r;
     fragColor = vec4(color.rgb, color.a * smoothstep(minAlpha, maxAlpha, distVal));
-    gl_FragDepth = gl_FragCoord.z - zValue * 0.00001;
+    gl_FragDepth = gl_FragCoord.z - zValue * 0.000001;
 }