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Add crt-resswitch-glitch-koko

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kokoko3k 2024-01-06 15:58:45 +01:00
parent 995f327638
commit e059ed300d
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crt/crt-resswitch-glitch-koko.slangp Normal file
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shaders = 1
shader0 = shaders/crt-resswitch-glitch-koko.slang
scale_type0 = source
scale_0 = 1.0
wrap_mode0 = "clamp_to_border"

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crt/shaders/crt-resswitch-glitch-koko.slang Normal file
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#version 450
///////////////////////////// GPL LICENSE NOTICE /////////////////////////////
//
// crt-resswitch-glitch-koko
// Copyright (C) 2024 Antonio Orefice <kokoko3k@gmail.com>
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3 of the License, or any later version.
//
////////////////////////////////////////////////////////////////////////////////
layout(std140, set = 0, binding = 0) uniform UBO {
mat4 MVP;
vec4 SourceSize;
vec4 OriginalHistorySize1;
vec4 OriginalHistorySize2;
vec4 OriginalHistorySize3;
vec4 OriginalHistorySize4;
vec4 OriginalHistorySize5;
float RESSWITCH_ENABLE;
float RESSWITCH_GLITCH_TRESHOLD;
float RESSWITCH_GLITCH_BAR;
float RESSWITCH_GLITCH_SHAKE_MAX;
} global;
#pragma parameter RESSWITCH_ENABLE "★ Resolution switch glitch enable? ==>" 1.0 0.0 1.0 1.0
#pragma parameter RESSWITCH_GLITCH_TRESHOLD " Glitch if vertical resolution changes at least by" 50.0 1.0 1000.0 5.0
#pragma parameter RESSWITCH_GLITCH_BAR " Bright glitch bars strength" 0.2 0.0 1.0 0.01
#pragma parameter RESSWITCH_GLITCH_SHAKE_MAX " Screen shake amplitude" 0.2 0.0 1.0 0.01
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
layout(location = 1) out float vSwitchres_show_bar;
void main() {
gl_Position = global.MVP * Position;
vTexCoord = TexCoord * 1.0001;
vSwitchres_show_bar = 0.0;
if (global.RESSWITCH_ENABLE > 0.5 ) {
if (abs(global.SourceSize.y - global.OriginalHistorySize1.y) > global.RESSWITCH_GLITCH_TRESHOLD) {
//first frame
vSwitchres_show_bar = global.RESSWITCH_GLITCH_BAR;
vTexCoord.y += global.RESSWITCH_GLITCH_SHAKE_MAX * +1.0 ;
}
else if (abs(global.SourceSize.y - global.OriginalHistorySize2.y) > global.RESSWITCH_GLITCH_TRESHOLD) {
vSwitchres_show_bar = global.RESSWITCH_GLITCH_BAR;
vTexCoord.y += global.RESSWITCH_GLITCH_SHAKE_MAX * -1.0;
}
else if (abs(global.SourceSize.y - global.OriginalHistorySize3.y) > global.RESSWITCH_GLITCH_TRESHOLD) {
vSwitchres_show_bar = global.RESSWITCH_GLITCH_BAR;
vTexCoord.y += global.RESSWITCH_GLITCH_SHAKE_MAX * +0.5;
}
else if (abs(global.SourceSize.y - global.OriginalHistorySize4.y) > global.RESSWITCH_GLITCH_TRESHOLD) {
vSwitchres_show_bar = global.RESSWITCH_GLITCH_BAR;
vTexCoord.y += global.RESSWITCH_GLITCH_SHAKE_MAX * -0.5;
}
else if (abs(global.SourceSize.y - global.OriginalHistorySize5.y) > global.RESSWITCH_GLITCH_TRESHOLD) {
//last frame
vTexCoord.y += global.RESSWITCH_GLITCH_SHAKE_MAX * +0.25;
vSwitchres_show_bar = global.RESSWITCH_GLITCH_BAR;
}
}
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 1) in float vSwitchres_show_bar;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 1) uniform sampler2D Source;
#define _3kPI 3.141592653589793
void main() {
float switchresglitch = 0.0;
if (vTexCoord.y < 0.0 ||vTexCoord.y > 1.0 )
switchresglitch = sin( vTexCoord.y * _3kPI * (2/global.RESSWITCH_GLITCH_SHAKE_MAX) ) * vSwitchres_show_bar;
FragColor = texture(Source, vTexCoord) + switchresglitch;
}