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Code Issues Releases Wiki Activity

Unload burnin effect when not in use.

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This commit is contained in:
Filippo Scognamiglio 2018-11-08 18:21:33 +01:00
parent 92e82c203f
commit 2ec21f5eba
1 changed files with 89 additions and 79 deletions
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42
app/qml/BurnInEffect.qml
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@ -2,10 +2,10 @@ import QtQuick 2.0
import "utils.js" as Utils
Item {
Loader {
id: burnInEffect
readonly property alias source: burnInEffectSource
property ShaderEffectSource source: item ? item.source : null
property real lastUpdate: 0
property real prevLastUpdate: 0
@ -16,10 +16,12 @@ Item {
property real _minBurnInFadeTime: 160
property real _maxBurnInFadeTime: 1600
active: appSettings.burnIn !== 0
function completelyUpdate() {
prevLastUpdate = lastUpdate;
lastUpdate = timeManager.time;
burnInEffectSource.scheduleUpdate();
item.source.scheduleUpdate();
}
function restartBlurSource(){
@ -28,9 +30,24 @@ Item {
completelyUpdate()
}
sourceComponent: Item {
property alias source: burnInEffectSource
property int burnInScaling: scaleTexture * appSettings.burnInQuality
width: appSettings.lowResolutionFont
? kterminal.width * Math.max(1, burnInScaling)
: kterminal.width * scaleTexture * appSettings.burnInQuality
height: appSettings.lowResolutionFont
? kterminal.height * Math.max(1, burnInScaling)
: kterminal.height * scaleTexture * appSettings.burnInQuality
ShaderEffectSource {
id: burnInEffectSource
anchors.fill: parent
sourceItem: burnInShaderEffect
live: false
recursive: true
@ -63,21 +80,13 @@ Item {
ShaderEffect {
id: burnInShaderEffect
property int burnInScaling: scaleTexture * appSettings.burnInQuality
width: appSettings.lowResolutionFont
? kterminal.width * Math.max(1, burnInScaling)
: kterminal.width * scaleTexture * appSettings.burnInQuality
height: appSettings.lowResolutionFont
? kterminal.height * Math.max(1, burnInScaling)
: kterminal.height * scaleTexture * appSettings.burnInQuality
property variant txt_source: kterminalSource
property variant burnInSource: burnInEffectSource
property real burnInTime: burnInFadeTime
property alias lastUpdate: burnInEffect.lastUpdate
property alias prevLastUpdate: burnInEffect.prevLastUpdate
property real lastUpdate: burnInEffect.lastUpdate
property real prevLastUpdate: burnInEffect.prevLastUpdate
anchors.fill: parent
blending: false
@ -105,7 +114,7 @@ Item {
"void main() {
vec2 coords = qt_TexCoord0;
vec3 txtColor = texture2D(txt_source, coords).rgb * 0.70;
vec3 txtColor = texture2D(txt_source, coords).rgb * 0.5;
vec4 accColor = texture2D(burnInSource, coords);
float prevMask = accColor.a;
@ -123,4 +132,5 @@ Item {
onStatusChanged: if (log) console.log(log) //Print warning messages
}
}
}