precision mediump float; /*{ "CATEGORIES": [ "Glitch", "Distortion" ], "CREDIT": "Gnomalab", "DESCRIPTION": "Glitch Control - Switchable Processing Order", "INPUTS": [ { "NAME": "inputImage", "TYPE": "image" }, { "DEFAULT": true, "LABEL": "Enable RGB", "NAME": "enable_rgb", "TYPE": "bool" }, { "DEFAULT": [ 0.5, 0.5 ], "LABEL": "Red Position", "NAME": "pos_r", "TYPE": "point2D" }, { "DEFAULT": [ 0.5, 0.5 ], "LABEL": "Green Position", "NAME": "pos_g", "TYPE": "point2D" }, { "DEFAULT": [ 0.5, 0.5 ], "LABEL": "Blue Position", "NAME": "pos_b", "TYPE": "point2D" }, { "DEFAULT": false, "LABEL": "Enable Displacement", "NAME": "enable_disp", "TYPE": "bool" }, { "DEFAULT": 0, "LABEL": "ORDER", "LABELS": [ "1: RGB > Displacement", "2: Displacement > RGB" ], "NAME": "processing_order", "TYPE": "long", "VALUES": [ 0, 1 ] }, { "DEFAULT": 0, "LABEL": "Mask Source", "LABELS": [ "Suma RGB", "Luminancia", "Matiz", "Saturacion", "Ligereza", "Crom. I", "Crom. Q", "Alfa" ], "NAME": "disp_mask_mode", "TYPE": "long", "VALUES": [ 0, 1, 2, 3, 4, 5, 6, 7 ] }, { "DEFAULT": 0.5, "LABEL": "Disp. Threshold", "MAX": 1, "MIN": 0, "NAME": "disp_threshold", "TYPE": "float" }, { "DEFAULT": 0.1, "LABEL": "Disp. Softness", "MAX": 0.5, "MIN": 0, "NAME": "disp_softness", "TYPE": "float" }, { "DEFAULT": false, "LABEL": "Invert Mask", "NAME": "disp_mask_invert", "TYPE": "bool" }, { "DEFAULT": 5, "LABEL": "Number of Copies", "MAX": 20, "MIN": 1, "NAME": "disp_copies", "TYPE": "float" }, { "DEFAULT": 15, "LABEL": "Displace Offset", "MAX": 100, "MIN": 0, "NAME": "disp_offset", "TYPE": "float" }, { "DEFAULT": 0, "LABEL": "Displace Angle", "MAX": 1, "MIN": 0, "NAME": "disp_angle", "TYPE": "float" }, { "DEFAULT": false, "LABEL": "Enable Stretch", "NAME": "enable_stretch", "TYPE": "bool" }, { "DEFAULT": 0, "LABEL": "Axis (0:H, 1:V)", "LABELS": [ "Horizontal", "Vertical" ], "NAME": "str_axis", "TYPE": "long", "VALUES": [ 0, 1 ] }, { "DEFAULT": false, "LABEL": "Invert Stretch", "NAME": "str_invert", "TYPE": "bool" }, { "DEFAULT": [ 0.5, 0.5 ], "LABEL": "Stretch Position", "NAME": "str_pos", "TYPE": "point2D" }, { "DEFAULT": false, "LABEL": "Enable Color Cycle", "NAME": "enable_cycle", "TYPE": "bool" }, { "DEFAULT": 0, "LABEL": "Red Amount", "MAX": 1, "MIN": 0, "NAME": "amt_r", "TYPE": "float" }, { "DEFAULT": 0, "LABEL": "Green Amount", "MAX": 1, "MIN": 0, "NAME": "amt_g", "TYPE": "float" }, { "DEFAULT": 0, "LABEL": "Blue Amount", "MAX": 1, "MIN": 0, "NAME": "amt_b", "TYPE": "float" } ], "ISFVSN": "2", "VSN": "1.0.0" } */ // --- UTILIDADES DE COLOR --- vec3 rgb2hls(vec3 c) { float minVal = min(min(c.r, c.g), c.b); float maxVal = max(max(c.r, c.g), c.b); float delta = maxVal - minVal; float l = (maxVal + minVal) / 2.0; float s = 0.0, h = 0.0; if (delta > 0.0) { s = l < 0.5 ? delta / (maxVal + minVal) : delta / (2.0 - maxVal - minVal); if (c.r == maxVal) h = (c.g - c.b) / delta + (c.g < c.b ? 6.0 : 0.0); else if (c.g == maxVal) h = (c.b - c.r) / delta + 2.0; else h = (c.r - c.g) / delta + 4.0; h /= 6.0; } return vec3(h, l, s); } vec2 rgb2yiq(vec3 c) { return vec2(0.596 * c.r - 0.274 * c.g - 0.322 * c.b, 0.211 * c.r - 0.523 * c.g + 0.312 * c.b); } float getMaskValue(vec4 col) { if (disp_mask_mode == 0) return (col.r + col.g + col.b) / 3.0; if (disp_mask_mode == 1) return dot(col.rgb, vec3(0.299, 0.587, 0.114)); vec3 hls = rgb2hls(col.rgb); if (disp_mask_mode == 2) return hls.x; if (disp_mask_mode == 3) return hls.z; if (disp_mask_mode == 4) return hls.y; vec2 iq = rgb2yiq(col.rgb); if (disp_mask_mode == 5) return iq.x; if (disp_mask_mode == 6) return iq.y; return col.a; } // --- LOGICA CORE --- vec2 normPoint(vec2 p) { return (p.x > 1.0 || p.y > 1.0 || p.x < -1.0 || p.y < -1.0) ? p / RENDERSIZE : p; } vec2 applyStretch(vec2 uv) { if (!enable_stretch) return uv; vec2 s_pos = normPoint(str_pos); vec2 res = uv; if (str_axis == 0) { if (!str_invert) { if (uv.x > s_pos.x) res.x = s_pos.x; } else { if (uv.x < s_pos.x) res.x = s_pos.x; } } else { if (!str_invert) { if (uv.y > s_pos.y) res.y = s_pos.y; } else { if (uv.y < s_pos.y) res.y = s_pos.y; } } return res; } // Devuelve el color con RGB aplicado (sin desplazamiento) vec4 getRGBOnly(vec2 uv) { if (!enable_rgb) return IMG_NORM_PIXEL(inputImage, applyStretch(uv)); float scale = 0.15; vec2 r_off = (normPoint(pos_r) - 0.5) * scale; vec2 g_off = (normPoint(pos_g) - 0.5) * scale; vec2 b_off = (normPoint(pos_b) - 0.5) * scale; float r = IMG_NORM_PIXEL(inputImage, applyStretch(fract(uv + r_off))).r; float g = IMG_NORM_PIXEL(inputImage, applyStretch(fract(uv + g_off))).g; float b = IMG_NORM_PIXEL(inputImage, applyStretch(fract(uv + b_off))).b; return vec4(r, g, b, IMG_NORM_PIXEL(inputImage, applyStretch(uv)).a); } // Devuelve el color con Displacement aplicado (sin RGB) vec4 getDispOnly(vec2 uv) { vec2 pSize = 1.0 / RENDERSIZE; vec2 s_uv = applyStretch(uv); vec4 base = IMG_NORM_PIXEL(inputImage, s_uv); if (!enable_disp) return base; float mask = smoothstep(disp_threshold - disp_softness, disp_threshold + disp_softness, getMaskValue(base)); if (disp_mask_invert) mask = 1.0 - mask; if (mask <= 0.0) return base; vec2 dir = vec2(cos(disp_angle * 6.2831), sin(disp_angle * 6.2831)); vec4 acc = vec4(0.0); int copies = int(disp_copies); for (int i = 0; i < 20; ++i) { if (i >= copies) break; acc += IMG_NORM_PIXEL(inputImage, applyStretch(fract(uv - float(i) * disp_offset * dir * pSize))); } return mix(base, acc / max(1.0, float(copies)), mask); } void main() { vec2 uv = isf_FragNormCoord; vec4 finalCol; if (processing_order == 0) { // --- MODO 1: RGB -> DISP --- vec4 base = getRGBOnly(uv); float mask = smoothstep(disp_threshold - disp_softness, disp_threshold + disp_softness, getMaskValue(base)); if (disp_mask_invert) mask = 1.0 - mask; if (!enable_disp || mask <= 0.0) { finalCol = base; } else { vec2 dir = vec2(cos(disp_angle * 6.2831), sin(disp_angle * 6.2831)); vec4 acc = vec4(0.0); int copies = int(disp_copies); for (int i = 0; i < 20; ++i) { if (i >= copies) break; acc += getRGBOnly(fract(uv - float(i) * disp_offset * dir * (1.0/RENDERSIZE))); } finalCol = mix(base, acc / max(1.0, float(copies)), mask); } } else { // --- MODO 2: DISP -> RGB --- if (!enable_rgb) { finalCol = getDispOnly(uv); } else { float scale = 0.15; vec2 r_off = (normPoint(pos_r) - 0.5) * scale; vec2 g_off = (normPoint(pos_g) - 0.5) * scale; vec2 b_off = (normPoint(pos_b) - 0.5) * scale; finalCol.r = getDispOnly(fract(uv + r_off)).r; finalCol.g = getDispOnly(fract(uv + g_off)).g; finalCol.b = getDispOnly(fract(uv + b_off)).b; finalCol.a = getDispOnly(uv).a; } } if (enable_cycle) { finalCol.rgb = fract(finalCol.rgb + vec3(amt_r, amt_g, amt_b)); } gl_FragColor = finalCol; }

Gn Glitch Control.fs