X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.frag;h=bc84516437685727301a7f512f0f9aba911cd724;hp=c7e1d6143785f2a5a484aadb7f955544945ebb6e;hb=75c27c449aabb27ed0b028b57b20d70005a6e447;hpb=2b4a7d868112b4995bf6699f5b3aa68e9ec2b308

diff --git a/vignette_effect.frag b/vignette_effect.frag
index c7e1d61..bc84516 100644
--- a/vignette_effect.frag
+++ b/vignette_effect.frag
@@ -1,14 +1,15 @@
 // A simple, circular vignette, with a cos² falloff.
 	
 uniform float PREFIX(inv_radius);
-varying vec2 PREFIX(normalized_pos);
+uniform vec2 PREFIX(aspect_correction);
 
 vec4 FUNCNAME(vec2 tc) {
 	vec4 x = LAST_INPUT(tc);
 
 	const float pihalf = 0.5 * 3.14159265358979324;
 
-	float dist = (length(PREFIX(normalized_pos)) - PREFIX(inner_radius)) * PREFIX(inv_radius);
+	vec2 normalized_pos = (tc - PREFIX(center)) * PREFIX(aspect_correction);
+	float dist = (length(normalized_pos) - PREFIX(inner_radius)) * PREFIX(inv_radius);
 	float linear_falloff = clamp(dist, 0.0, 1.0) * pihalf;
 	float falloff = cos(linear_falloff) * cos(linear_falloff);
 	x.rgb *= vec3(falloff);