Merge pull request #1138 from olive-editor/BrimsonBhin-patch-1

Gaussian Blur: Use straight multiply
2020-04-29 04:52:22 +10:00
parent 366945fd29 0703a5851b
commit e7e895739b
1 changed files with 1 additions and 1 deletions
@@ -29,7 +29,7 @@ out vec4 fragColor;
 // Double gaussian formula, actually used in the code below
 // Should be faster than the single gaussian above since it doesn't need sqrt()
 float gaussian2(float x, float y, float sigma) {
-    return (1.0/(pow(sigma, 2.0)*2.0*M_PI))*exp(-0.5*((pow(x, 2.0) + pow(y, 2.0))/pow(sigma, 2.0)));
+    return (1.0/((sigma*sigma)*2.0*M_PI))*exp(-0.5*(((x*x) + (y*y))/(sigma*sigma)));
 }

 void main(void) {