From 865783efd31e5841e8fe978704639697cdad2e83 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torstein=20H=C3=B8nsi?= <torstein@highsoft.com>
Date: Tue, 18 Apr 2017 13:25:18 +0200
Subject: [PATCH] Fixed #6580, blending in boost caused barely visible markers
 in scatter charts.

---
 js/modules/boost.src.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/js/modules/boost.src.js b/js/modules/boost.src.js
index f19e7ebff32..71d7b5e121a 100644
--- a/js/modules/boost.src.js
+++ b/js/modules/boost.src.js
@@ -1037,7 +1037,7 @@ function GLRenderer(postRenderCallback) {
 	/*
 	 * Clear the depth and color buffer
 	 */
-	function clear() {
+	function clear() {		
 		gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
 	}
 
@@ -1660,8 +1660,9 @@ function GLRenderer(postRenderCallback) {
 				gl.blendEquation(gl.FUNC_MIN);
 			
 			} else {
-				gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);//, gl.ONE, gl.ZERO);
-				gl.blendEquation(gl.FUNC_ADD);
+				//gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);//, gl.ONE, gl.ZERO);
+				//gl.blendEquation(gl.FUNC_ADD);
+				gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
 			}
 
 			shader.reset();		
@@ -1819,7 +1820,7 @@ function GLRenderer(postRenderCallback) {
 		circleTexture.width = 512;
 		circleTexture.height = 512;
 
-		circleCtx.fillStyle = '#FFF';
+		circleCtx.fillStyle = '#FFF';		
 		circleCtx.beginPath();
 		circleCtx.arc(256, 256, 256, 0, 2 * Math.PI);
 		circleCtx.fill();