Merge pull request #26 from PeculiarVentures/pclines-safari-bugfix

Fix Safari sub-pixel requesting in pcLines transform operation
PeculiarVentures · Oct 13, 2018 · ba4cb52 · ba4cb52
2 parents edc597a + 9e49d31
commit ba4cb52
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+# [Unreleased]
+### Fixed
+- PCLines operation extra lines bug on Safari (part of https://github.com/PeculiarVentures/GammaCV/issues/25)
+
 ## [0.3.0] - 2018-08-29
 ### Added
 - Export internal PCLines functions:

diff --git a/lib/ops/pclines/transform.glsl b/lib/ops/pclines/transform.glsl
@@ -103,7 +103,7 @@ float getValue(float i, float lx, float ly, vec4 side) {
   }
 
   if (xx > 0.0 && xx < uWidth && yy > 0.0 && yy < uHeight) {
-    float a = pickScalarValue_tSrc(yy, xx);
+    float a = pickScalarValue_tSrc(floor(yy), floor(xx));
 
     if (a > 0.0) {
       return 1.0;