restored radius setting to gaussian blur, fixes #702

2019-03-28 13:07:48 +11:00
parent 49093d0f5e
commit 1adca7f2cc
2 changed files with 5 additions and 5 deletions
@@ -4,7 +4,7 @@

 uniform sampler2D image;

-// uniform float radius;
+uniform float radius;
 uniform float sigma;
 uniform vec2 resolution;
 uniform bool horiz_blur;
@@ -22,13 +22,13 @@ float gaussian2(float x, float y, float sigma) {
 }

 void main(void) {
-	float rad = ceil(sigma);
+	float rad = ceil(radius);

 	float sum = 0.0;

 	vec4 color = vec4(0.0);

-	bool radius_is_zero = (rad == 0.0);
+	bool radius_is_zero = (rad == 0.0 || sigma == 0.0);

 	if (!radius_is_zero) {
 		for (float x=-rad+0.5;x<=rad;x+=2.0) {
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <effect name="Gaussian Blur" category="Blur">
-	<!-- <row name="Radius">
+	<row name="Radius">
 		<field type="double" min="0" default="10" id="radius"/>
-	</row> -->
+	</row>
 	<row name="Sigma">
 		<field type="double" min="0" default="5.5" id="sigma"/>
 	</row>