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https://github.com/Swordfish90/cool-retro-term.git
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Adding burn-in rasterization fix to new burn-in shader
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0625ca4f15
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@ -78,6 +78,8 @@ Loader {
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property real burnInTime: burnInFadeTime
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property real lastUpdate: burnInEffect.lastUpdate
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property real prevLastUpdate: burnInEffect.prevLastUpdate
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property int rasterization: appSettings.rasterization
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property size virtual_resolution: Qt.size(kterminal.totalWidth, kterminal.totalHeight)
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anchors.fill: parent
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blending: false
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@ -97,12 +99,33 @@ Loader {
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uniform highp float lastUpdate;
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uniform highp float prevLastUpdate;" +
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uniform highp float prevLastUpdate;
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uniform highp vec2 virtual_resolution;" +
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"float rgb2grey(vec3 v){
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return dot(v, vec3(0.21, 0.72, 0.04));
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}" +
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"highp float getScanlineIntensity(vec2 coords) {
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float result = 1.0;" +
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(appSettings.rasterization != appSettings.no_rasterization ?
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"float val = 0.0;
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vec2 rasterizationCoords = fract(coords * virtual_resolution);
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val += smoothstep(0.0, 0.5, rasterizationCoords.y);
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val -= smoothstep(0.5, 1.0, rasterizationCoords.y);
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result *= mix(0.5, 1.0, val);" : "") +
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(appSettings.rasterization == appSettings.pixel_rasterization ?
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"val = 0.0;
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val += smoothstep(0.0, 0.5, rasterizationCoords.x);
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val -= smoothstep(0.5, 1.0, rasterizationCoords.x);
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result *= mix(0.5, 1.0, val);" : "") + "
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return result;
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}" +
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"void main() {
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vec2 coords = qt_TexCoord0;
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@ -111,7 +134,7 @@ Loader {
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float prevMask = accColor.a;
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float currMask = rgb2grey(txtColor);
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txtColor *= getScanlineIntensity(coords);
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highp float blurDecay = clamp((lastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0);
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blurDecay = max(0.0, blurDecay - prevMask);
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vec3 blurColor = accColor.rgb - vec3(blurDecay);
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