1 files changed, 9 insertions, 1 deletions
diff --git a/src/shader/text.fragment.glsl b/src/shader/text.fragment.glsl
index 8df552c171..d72d61dab1 100644
--- a/src/shader/text.fragment.glsl
+++ b/src/shader/text.fragment.glsl
@@ -1,5 +1,13 @@
+uniform sampler2D u_texture;
 uniform vec4 u_color;
+uniform float u_buffer;
+uniform float u_gamma;
+
+varying vec2 v_tex;
+varying float v_alpha;
 
 void main() {
-    gl_FragColor = u_color;
+    float dist = texture2D(u_texture, v_tex).a;
+    float alpha = smoothstep(u_buffer - u_gamma, u_buffer + u_gamma, dist) * v_alpha;
+    gl_FragColor = u_color * alpha;
 }