From a6cfdf9fdd72279d5dc45ff80b2ee608f035d92d Mon Sep 17 00:00:00 2001
From: Alexander Rose <alexander.rose@weirdbyte.de>
Date: Wed, 21 Nov 2018 00:29:57 -0800
Subject: [PATCH] fix shader marking issue
---
src/mol-gl/shader/chunks/apply-marker-color.glsl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mol-gl/shader/chunks/apply-marker-color.glsl b/src/mol-gl/shader/chunks/apply-marker-color.glsl
index daa93f04d..327ba74bb 100644
--- a/src/mol-gl/shader/chunks/apply-marker-color.glsl
+++ b/src/mol-gl/shader/chunks/apply-marker-color.glsl
@@ -1,6 +1,6 @@
// only mark elements with an alpha above the picking threshold
if (uAlpha >= uPickingAlphaThreshold) {
- float marker = vMarker * 255.0;
+ float marker = floor(vMarker * 255.0 + 0.5); // rounding required to work on some cards on win
if (marker > 0.1) {
if (intMod(marker, 2.0) > 0.1) {
gl_FragColor.rgb = mix(uHighlightColor, gl_FragColor.rgb, 0.3);
--
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