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Code Issues Releases Wiki Activity

Change mask value to use greyscale color instead of max channel.

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Filippo Scognamiglio
2018-11-12 23:43:37 +01:00
parent af8edc72f4
commit 9df470acfc
1 changed files with 3 additions and 3 deletions
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6
app/qml/BurnInEffect.qml
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@@ -107,8 +107,8 @@ Loader {
uniform highp float prevLastUpdate;" + uniform highp float prevLastUpdate;" +
"float max3(vec3 v) { "float rgb2grey(vec3 v){
return max (max (v.x, v.y), v.z); return dot(v, vec3(0.21, 0.72, 0.04));
}" + }" +
"void main() { "void main() {
@@ -118,7 +118,7 @@ Loader {
vec4 accColor = texture2D(burnInSource, coords); vec4 accColor = texture2D(burnInSource, coords);
float prevMask = accColor.a; float prevMask = accColor.a;
float currMask = max3(txtColor); float currMask = rgb2grey(txtColor);
highp float blurDecay = clamp((lastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0); highp float blurDecay = clamp((lastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0);
blurDecay = max(0.0, blurDecay - prevMask); blurDecay = max(0.0, blurDecay - prevMask);