From e124b34b24854966480d82b4743983ae030810da Mon Sep 17 00:00:00 2001
From: GaborFarkas <raandal73@gmail.com>
Date: Mon, 10 Oct 2016 17:19:25 +0200
Subject: [PATCH] Correctly draw polygons with transparent border

---
 src/ol/render/webgl/linestringreplay/index.js |  2 +-
 src/ol/render/webgl/replay.js                 | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/ol/render/webgl/linestringreplay/index.js b/src/ol/render/webgl/linestringreplay/index.js
index 70c694ece6..a9472ba727 100644
--- a/src/ol/render/webgl/linestringreplay/index.js
+++ b/src/ol/render/webgl/linestringreplay/index.js
@@ -495,6 +495,7 @@ ol.render.webgl.LineStringReplay.prototype.drawReplay = function(gl, context, sk
     gl.enable(gl.DEPTH_TEST);
     gl.depthMask(true);
     gl.depthFunc(gl.NOTEQUAL);
+    gl.clear(gl.DEPTH_BUFFER_BIT);
   }
 
   if (!ol.obj.isEmpty(skippedFeaturesHash)) {
@@ -515,7 +516,6 @@ ol.render.webgl.LineStringReplay.prototype.drawReplay = function(gl, context, sk
     }
   }
   if (!hitDetection) {
-    gl.clear(gl.DEPTH_BUFFER_BIT);
     gl.disable(gl.DEPTH_TEST);
     //Restore GL parameters.
     gl.depthMask(tmpDepthMask);
diff --git a/src/ol/render/webgl/replay.js b/src/ol/render/webgl/replay.js
index 71b228388c..2044856682 100644
--- a/src/ol/render/webgl/replay.js
+++ b/src/ol/render/webgl/replay.js
@@ -252,6 +252,13 @@ ol.render.webgl.Replay.prototype.replay = function(context,
     featureCallback, oneByOne, opt_hitExtent) {
   var gl = context.getGL();
 
+  if (this.lineStringReplay) {
+    this.lineStringReplay.replay(context,
+        center, resolution, rotation, size, pixelRatio,
+        opacity, skippedFeaturesHash,
+        featureCallback, oneByOne, opt_hitExtent);
+  }
+
   // bind the vertices buffer
   ol.DEBUG && console.assert(this.verticesBuffer,
       'verticesBuffer must not be null');
@@ -299,13 +306,6 @@ ol.render.webgl.Replay.prototype.replay = function(context,
   // disable the vertex attrib arrays
   this.shutDownProgram_(gl, locations);
 
-  if (this.lineStringReplay) {
-    this.lineStringReplay.replay(context,
-        center, resolution, rotation, size, pixelRatio,
-        opacity, skippedFeaturesHash,
-        featureCallback, oneByOne, opt_hitExtent);
-  }
-
   return result;
 };