QIDISlicer1.0.0

resources/shaders/ES/dashed_lines.fs

@@ -0,0 +1,20 @@
+#version 100
+
+precision highp float;
+
+// see as reference: https://stackoverflow.com/questions/52928678/dashed-line-in-opengl3
+
+uniform float dash_size;
+uniform float gap_size;
+uniform vec4 uniform_color;
+
+varying float coord_s;
+
+void main()
+{
+	float inv_stride = 1.0 / (dash_size + gap_size);
+    if (gap_size > 0.0 && fract(coord_s * inv_stride) > dash_size * inv_stride)
+        discard;
+		
+	gl_FragColor = uniform_color;
+}