gl renderer: Fix shadow shader

We need to take the alpha of the shadow color into account as well.

diff --git a/gsk/resources/glsl/shadow.fs.glsl b/gsk/resources/glsl/shadow.fs.glsl
index 3426ba35fc507ef9d8799688c2360de9f291dc50..f3535f13615f6d4a0903de18eaf0094be6df8fa1 100644 (file)
--- a/gsk/resources/glsl/shadow.fs.glsl
+++ b/gsk/resources/glsl/shadow.fs.glsl
@@ -7,7 +7,7 @@ void main() {
   // pre-multiply
   color.rgb *= color.a;
 
-  color = vec4(u_color.rgb * diffuse.a, diffuse.a);
+  color = vec4(u_color.rgb * diffuse.a, diffuse.a * color.a);
 
   setOutputColor(color);
 }