1 files changed, 9 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
index 56a149523e..a6406bdc12 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
@@ -29,10 +29,18 @@ uniform sampler2D diffuseMap;
 
 varying vec3 vary_normal;
 
+uniform float minimum_alpha;
+uniform float maximum_alpha;
+
 void main() 
 {
 	vec4 col = texture2D(diffuseMap, gl_TexCoord[0].xy);
-	gl_FragData[0] = vec4(gl_Color.rgb*col.rgb, col.a <= 0.5 ? 0.0 : 0.005);
+	if (col.a < minimum_alpha || col.a > maximum_alpha)
+	{
+		discard;
+	}
+
+	gl_FragData[0] = vec4(gl_Color.rgb*col.rgb, 0.0);
 	gl_FragData[1] = vec4(0,0,0,0);
 	vec3 nvn = normalize(vary_normal);
 	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);