seeseemelk/cool-retro-term
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Optimizations: motion blur is better, and quality is now customizable. Default value is 50%. which is again a good compromise.

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Filippo Scognamiglio
2014-12-15 02:35:13 +01:00
parent 37317136ed
commit 26d5c56cd0
5 changed files with 49 additions and 14 deletions
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21
app/qml/PreprocessedTerminal.qml
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@@ -28,7 +28,8 @@ Item{
property size virtualResolution: Qt.size(kterminal.width, kterminal.height)
property alias mainTerminal: kterminal
property ShaderEffectSource mainSource: mBlur !== 0 ? blurredSourceLoader.item : kterminalSource
property ShaderEffectSource mainSource: kterminalSource
property ShaderEffectSource blurredSource: blurredSourceLoader.item
property real scaleTexture: 1.0
property alias title: ksession.title
@@ -41,9 +42,9 @@ Item{
//The blur effect has to take into account the framerate
property real mBlur: appSettings.motion_blur
property real motionBlurCoefficient: (_maxBlurCoefficient * mBlur + _minBlurCoefficient * (1 - mBlur))
property real motionBlurCoefficient: (_maxBlurCoefficient * Math.sqrt(mBlur) + _minBlurCoefficient * (1 - Math.sqrt(mBlur)))
property real _minBlurCoefficient: 0.70
property real _maxBlurCoefficient: 0.90
property real _maxBlurCoefficient: 0.95
property size terminalSize: kterminal.terminalSize
property size fontMetrics: kterminal.fontMetrics
@@ -241,8 +242,8 @@ Item{
Loader{
id: blurredTerminalLoader
width: kterminalSource.textureSize.width
height: kterminalSource.textureSize.height
width: kterminal.width * scaleTexture * appSettings.blur_quality
height: kterminal.height * scaleTexture * appSettings.blur_quality
active: mBlur !== 0
asynchronous: true
@@ -268,13 +269,11 @@ Item{
"void main() {" +
"vec2 coords = qt_TexCoord0;" +
"vec3 color = texture2D(txt_source, coords).rgb * 256.0;" +
"vec3 origColor = texture2D(txt_source, coords).rgb;" +
"vec3 blur_color = texture2D(blurredSource, coords).rgb * (1.0 - blurCoefficient);" +
"vec3 color = min(origColor + blur_color, max(origColor, blur_color));" +
"vec3 blur_color = texture2D(blurredSource, coords).rgb * 256.0;" +
"blur_color = blur_color - blur_color * blurCoefficient;" +
"color = step(vec3(1.0), color) * color + step(color, vec3(1.0)) * blur_color;" +
"gl_FragColor = vec4(floor(color) / 256.0, 1.0);" +
"gl_FragColor = vec4(color, step(0.004, rgb2grey(color - origColor)));" +
"}"
onStatusChanged: if (log) console.log(log) //Print warning messages