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Merge pull request #499 from Swordfish90/old-burnin

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Reintroduce optional old burnin and improve highdpi support.
This commit is contained in:
Filippo Scognamiglio 2019-01-17 21:35:24 +01:00 committed by GitHub
commit 79773ba95c
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 195 additions and 20 deletions
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10
app/qml/ApplicationSettings.qml
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@ -33,6 +33,9 @@ QtObject{
readonly property real minimumFontScaling: 0.25
readonly property real maximumFontScaling: 2.50
readonly property real minBurnInFadeTime: 160
readonly property real maxBurnInFadeTime: 1600
// GENERAL SETTINGS ///////////////////////////////////////////////////////
property int x: 100
@ -52,7 +55,9 @@ QtObject{
property bool verbose: false
property real bloomQuality: 0.5
property real burnInQuality: 0.5
property bool useFastBurnIn: Qt.platform.os === "osx" ? false : true
onWindowScalingChanged: handleFontChanged();
@ -202,7 +207,8 @@ QtObject{
bloomQuality: bloomQuality,
burnInQuality: burnInQuality,
useCustomCommand: useCustomCommand,
customCommand: customCommand
customCommand: customCommand,
useFastBurnIn: useFastBurnIn
}
return stringify(settings);
}
@ -288,6 +294,8 @@ QtObject{
useCustomCommand = settings.useCustomCommand !== undefined ? settings.useCustomCommand : useCustomCommand
customCommand = settings.customCommand !== undefined ? settings.customCommand : customCommand
useFastBurnIn = settings.useFastBurnIn !== undefined ? settings.useFastBurnIn : useFastBurnIn;
}
function loadProfileString(profileString){

19
app/qml/BurnInEffect.qml
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@ -13,10 +13,12 @@ Loader {
property real delay: (1.0 / appSettings.fps) * 1000
property real burnIn: appSettings.burnIn
property real burnInFadeTime: 1 / Utils.lint(_minBurnInFadeTime, _maxBurnInFadeTime, burnIn)
property real _minBurnInFadeTime: 160
property real _maxBurnInFadeTime: 1600
property real _minBurnInFadeTime: appSettings.minBurnInFadeTime
property real _maxBurnInFadeTime: appSettings.maxBurnInFadeTime
active: appSettings.burnIn !== 0
active: appSettings.useFastBurnIn && appSettings.burnIn !== 0
anchors.fill: parent
function completelyUpdate() {
prevLastUpdate = lastUpdate;
@ -33,16 +35,6 @@ Loader {
sourceComponent: Item {
property alias source: burnInEffectSource
property int burnInScaling: scaleTexture * appSettings.burnInQuality
width: appSettings.lowResolutionFont
? kterminal.totalWidth * Math.max(1, burnInScaling)
: kterminal.totalWidth * scaleTexture * appSettings.burnInQuality
height: appSettings.lowResolutionFont
? kterminal.totalHeight * Math.max(1, burnInScaling)
: kterminal.totalHeight * scaleTexture * appSettings.burnInQuality
ShaderEffectSource {
id: burnInEffectSource
@ -88,7 +80,6 @@ Loader {
property real prevLastUpdate: burnInEffect.prevLastUpdate
anchors.fill: parent
blending: false
fragmentShader:

39
app/qml/PreprocessedTerminal.qml
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@ -33,6 +33,7 @@ Item{
property ShaderEffectSource mainSource: kterminalSource
property BurnInEffect burnInEffect: burnInEffect
property SlowBurnIn slowBurnInEffect: slowBurnInEffect
property real fontWidth: 1.0
property real screenScaling: 1.0
property real scaleTexture: 1.0
@ -70,12 +71,23 @@ Item{
QMLTermWidget {
id: kterminal
property int textureResolutionScale: appSettings.lowResolutionFont ? devicePixelRatio : 1
property int margin: appSettings.margin / screenScaling
property int totalWidth: Math.floor(parent.width / (screenScaling * fontWidth))
property int totalHeight: Math.floor(parent.height / screenScaling)
width: totalWidth - 2 * margin
height: totalHeight - 2 * margin
property int rawWidth: totalWidth - 2 * margin
property int rawHeight: totalHeight - 2 * margin
textureSize: Qt.size(width / textureResolutionScale, height / textureResolutionScale)
width: ensureMultiple(rawWidth, devicePixelRatio)
height: ensureMultiple(rawHeight, devicePixelRatio)
/** Ensure size is a multiple of factor. This is needed for pixel perfect scaling on highdpi screens. */
function ensureMultiple(size, factor) {
return Math.round(size / factor) * factor;
}
colorScheme: "cool-retro-term"
@ -227,7 +239,26 @@ Item{
sourceRect: Qt.rect(-kterminal.margin, -kterminal.margin, kterminal.totalWidth, kterminal.totalHeight)
}
BurnInEffect {
id: burnInEffect
Item {
id: burnInContainer
property int burnInScaling: scaleTexture * appSettings.burnInQuality
width: Math.round(appSettings.lowResolutionFont
? kterminal.totalWidth * Math.max(1, burnInScaling)
: kterminal.totalWidth * scaleTexture * appSettings.burnInQuality)
height: Math.round(appSettings.lowResolutionFont
? kterminal.totalHeight * Math.max(1, burnInScaling)
: kterminal.totalHeight * scaleTexture * appSettings.burnInQuality)
BurnInEffect {
id: burnInEffect
}
SlowBurnIn {
id: slowBurnInEffect
}
}
}

6
app/qml/SettingsAdvancedTab.qml
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@ -133,6 +133,12 @@ Tab{
}
}
SizedLabel{text: Math.round(burnInSlider.value * 100) + "%"}
CheckBox{
Layout.columnSpan: 2
text: qsTr("Burnin optimization (Might display timing artifacts)")
checked: appSettings.useFastBurnIn
onCheckedChanged: appSettings.useFastBurnIn = checked
}
}
}
}

17
app/qml/ShaderTerminal.qml
View File

@ -24,6 +24,7 @@ import QtGraphicalEffects 1.0
import "utils.js" as Utils
Item {
property SlowBurnIn slowBurnInEffect
property ShaderEffectSource source
property BurnInEffect burnInEffect
property ShaderEffectSource bloomSource
@ -56,9 +57,16 @@ Item {
property real horizontalSync: appSettings.horizontalSync
property real horizontalSyncStrength: Utils.lint(0.05, 0.35, horizontalSync)
property real glowingLine: appSettings.glowingLine * 0.2
property real burnIn: appSettings.burnIn
// Fast burnin properties
property real burnIn: appSettings.useFastBurnIn ? appSettings.burnIn : 0
property real burnInLastUpdate: burnInEffect.lastUpdate
property real burnInTime: burnInEffect.burnInFadeTime
// Slow burnin properties
property real slowBurnIn: appSettings.useFastBurnIn ? 0 : appSettings.burnIn
property ShaderEffectSource slowBurnInSource: slowBurnInEffect.source
property real jitter: appSettings.jitter
property size jitterDisplacement: Qt.size(0.007 * jitter, 0.002 * jitter)
property real shadowLength: 0.25 * screenCurvature * Utils.lint(0.50, 1.5, ambientLight)
@ -162,6 +170,8 @@ Item {
uniform sampler2D burnInSource;
uniform highp float burnInLastUpdate;
uniform highp float burnInTime;" : "") +
(slowBurnIn !== 0 ? "
uniform sampler2D slowBurnInSource;" : "") +
(staticNoise !== 0 ? "
uniform highp float staticNoise;" : "") +
(((staticNoise !== 0 || jitter !== 0)
@ -292,6 +302,11 @@ Item {
txt_color = max(txt_color, convertWithChroma(burnInColor));"
: "") +
(slowBurnIn !== 0 ? "
vec4 txt_blur = texture2D(slowBurnInSource, staticCoords);
txt_color = max(txt_color, convertWithChroma(txt_blur.rgb * txt_blur.a));
" : "") +
"txt_color += fontColor.rgb * vec3(color);" +
"vec3 finalColor = txt_color;" +

122
app/qml/SlowBurnIn.qml Normal file
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@ -0,0 +1,122 @@
import QtQuick 2.0
import "utils.js" as Utils
Loader {
property ShaderEffectSource source: item ? item.source : null
active: !appSettings.useFastBurnIn && appSettings.burnIn !== 0
anchors.fill: parent
sourceComponent: Item {
property alias source: burnInSourceEffect
property int burnInScaling: scaleTexture * appSettings.burnInQuality
ShaderEffectSource {
property bool updateBurnIn: false
property real burnIn: appSettings.burnIn
property real fps: appSettings.fps !== 0 ? appSettings.fps : 60
property real burnInFadeTime: Utils.lint(minBurnInFadeTime, maxBurnInFadeTime, burnIn)
property real burnInCoefficient: 1000 / (fps * burnInFadeTime)
property real minBurnInFadeTime: appSettings.minBurnInFadeTime
property real maxBurnInFadeTime: appSettings.maxBurnInFadeTime
id: burnInSourceEffect
anchors.fill: parent
sourceItem: burnInEffect
recursive: true
live: false
hideSource: true
wrapMode: kterminalSource.wrapMode
visible: false
function restartBlurSource(){
livetimer.restart();
}
// This updates the burnin synched with the timer.
Connections {
target: burnInSourceEffect.updateBurnIn ? timeManager : null
ignoreUnknownSignals: false
onTimeChanged: {
burnInSourceEffect.scheduleUpdate();
}
}
Timer{
id: livetimer
// The interval assumes 60 fps. This is the time needed burnout a white pixel.
// We multiply 1.1 to have a little bit of margin over the theoretical value.
// This solution is not extremely clean, but it's probably the best to avoid measuring fps.
interval: burnInSourceEffect.burnInFadeTime * 1.1
running: true
onTriggered: burnInSourceEffect.updateBurnIn = false;
}
Connections{
target: kterminal
onImagePainted:{
burnInSourceEffect.scheduleUpdate();
burnInSourceEffect.updateBurnIn = true;
livetimer.restart();
}
}
// Restart blurred source settings change.
Connections{
target: appSettings
onBurnInChanged: burnInSourceEffect.restartBlurSource();
onTerminalFontChanged: burnInSourceEffect.restartBlurSource();
onRasterizationChanged: burnInSourceEffect.restartBlurSource();
onBurnInQualityChanged: burnInSourceEffect.restartBlurSource();
}
Connections {
target: kterminalScrollbar
onOpacityChanged: burnInSourceEffect.restartBlurSource();
}
ShaderEffect {
id: burnInEffect
property variant txt_source: kterminalSource
property variant blurredSource: burnInSourceEffect
property real burnInCoefficient: burnInSourceEffect.burnInCoefficient
anchors.fill: parent
blending: false
fragmentShader:
"#ifdef GL_ES
precision mediump float;
#endif\n" +
"uniform lowp float qt_Opacity;" +
"uniform lowp sampler2D txt_source;" +
"varying highp vec2 qt_TexCoord0;
uniform lowp sampler2D blurredSource;
uniform highp float burnInCoefficient;" +
"float max3(vec3 v) {
return max (max (v.x, v.y), v.z);
}" +
"void main() {" +
"vec2 coords = qt_TexCoord0;" +
"vec3 origColor = texture2D(txt_source, coords).rgb;" +
"vec3 blur_color = texture2D(blurredSource, coords).rgb - vec3(burnInCoefficient);" +
"vec3 color = min(origColor + blur_color, max(origColor, blur_color));" +
"gl_FragColor = vec4(color, max3(color - origColor));" +
"}"
onStatusChanged: if (log) console.log(log) //Print warning messages
}
}
}
}

1
app/qml/TerminalContainer.qml
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@ -12,6 +12,7 @@ ShaderTerminal {
source: terminal.mainSource
burnInEffect: terminal.burnInEffect
slowBurnInEffect: terminal.slowBurnInEffect
virtual_resolution: terminal.virtualResolution
TimeManager{

1
app/qml/resources.qrc
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@ -43,5 +43,6 @@
<file>BurnInEffect.qml</file>
<file>fonts/modern-terminus/TerminusTTF-4.46.0.ttf</file>
<file>NewTerminalFrame.qml</file>
<file>SlowBurnIn.qml</file>
</qresource>
</RCC>