1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
|
#pragma once
#include <string>
#include <format>
#include "SharedValues.hpp"
inline static constexpr auto ROUNDED_SHADER_FUNC = [](const std::string colorVarName) -> std::string {
return R"#(
// shoutout me: I fixed this shader being a bit pixelated while watching hentai
highp vec2 pixCoord = vec2(gl_FragCoord);
pixCoord -= topLeft + fullSize * 0.5;
pixCoord *= vec2(lessThan(pixCoord, vec2(0.0))) * -2.0 + 1.0;
pixCoord -= fullSize * 0.5 - radius;
pixCoord += vec2(1.0, 1.0) / fullSize; // center the pix dont make it top-left
// smoothing constant for the edge: more = blurrier, but smoother
const float SMOOTHING_CONSTANT = )#" +
std::format("{:.7f}", SHADER_ROUNDED_SMOOTHING_FACTOR) + R"#(;
if (pixCoord.x + pixCoord.y > radius) {
float dist = length(pixCoord);
if (dist > radius + SMOOTHING_CONSTANT * 2.0)
discard;
if (dist > radius - SMOOTHING_CONSTANT * 2.0) {
float dist = length(pixCoord);
float normalized = 1.0 - smoothstep(0.0, 1.0, (dist - radius + SMOOTHING_CONSTANT) / (SMOOTHING_CONSTANT * 2.0));
)#" +
colorVarName + R"#( = )#" + colorVarName + R"#( * normalized;
}
}
)#";
};
inline const std::string QUADVERTSRC = R"#(
uniform mat3 proj;
uniform vec4 color;
attribute vec2 pos;
attribute vec2 texcoord;
attribute vec2 texcoordMatte;
varying vec4 v_color;
varying vec2 v_texcoord;
varying vec2 v_texcoordMatte;
void main() {
gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
v_color = color;
v_texcoord = texcoord;
v_texcoordMatte = texcoordMatte;
})#";
inline const std::string QUADFRAGSRC = R"#(
precision highp float;
varying vec4 v_color;
uniform vec2 topLeft;
uniform vec2 fullSize;
uniform float radius;
void main() {
vec4 pixColor = v_color;
if (radius > 0.0) {
)#" +
ROUNDED_SHADER_FUNC("pixColor") + R"#(
}
gl_FragColor = pixColor;
})#";
inline const std::string TEXVERTSRC = R"#(
uniform mat3 proj;
attribute vec2 pos;
attribute vec2 texcoord;
varying vec2 v_texcoord;
void main() {
gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
v_texcoord = texcoord;
})#";
inline const std::string TEXVERTSRC320 = R"#(#version 320 es
uniform mat3 proj;
in vec2 pos;
in vec2 texcoord;
out vec2 v_texcoord;
void main() {
gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
v_texcoord = texcoord;
})#";
inline const std::string TEXFRAGSRCRGBA = R"#(
precision highp float;
varying vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float alpha;
uniform vec2 topLeft;
uniform vec2 fullSize;
uniform float radius;
uniform int discardOpaque;
uniform int discardAlpha;
uniform float discardAlphaValue;
uniform int applyTint;
uniform vec3 tint;
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
if (discardOpaque == 1 && pixColor[3] * alpha == 1.0)
discard;
if (discardAlpha == 1 && pixColor[3] <= discardAlphaValue)
discard;
if (applyTint == 1) {
pixColor[0] = pixColor[0] * tint[0];
pixColor[1] = pixColor[1] * tint[1];
pixColor[2] = pixColor[2] * tint[2];
}
if (radius > 0.0) {
)#" +
ROUNDED_SHADER_FUNC("pixColor") + R"#(
}
gl_FragColor = pixColor * alpha;
})#";
inline const std::string TEXFRAGSRCRGBAPASSTHRU = R"#(
precision highp float;
varying vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
void main() {
gl_FragColor = texture2D(tex, v_texcoord);
})#";
inline const std::string TEXFRAGSRCRGBAMATTE = R"#(
precision highp float;
varying vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform sampler2D texMatte;
void main() {
gl_FragColor = texture2D(tex, v_texcoord) * texture2D(texMatte, v_texcoord)[0]; // I know it only uses R, but matte should be black/white anyways.
})#";
inline const std::string TEXFRAGSRCRGBX = R"#(
precision highp float;
varying vec2 v_texcoord;
uniform sampler2D tex;
uniform float alpha;
uniform vec2 topLeft;
uniform vec2 fullSize;
uniform float radius;
uniform int discardOpaque;
uniform int discardAlpha;
uniform int discardAlphaValue;
uniform int applyTint;
uniform vec3 tint;
void main() {
if (discardOpaque == 1 && alpha == 1.0)
discard;
vec4 pixColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0);
if (applyTint == 1) {
pixColor[0] = pixColor[0] * tint[0];
pixColor[1] = pixColor[1] * tint[1];
pixColor[2] = pixColor[2] * tint[2];
}
if (radius > 0.0) {
)#" +
ROUNDED_SHADER_FUNC("pixColor") + R"#(
}
gl_FragColor = pixColor * alpha;
})#";
inline const std::string FRAGBLUR1 = R"#(
#version 100
precision highp float;
varying highp vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float radius;
uniform vec2 halfpixel;
uniform int passes;
uniform float vibrancy;
uniform float vibrancy_darkness;
// see http://alienryderflex.com/hsp.html
const float Pr = 0.299;
const float Pg = 0.587;
const float Pb = 0.114;
// Y is "v" ( brightness ). X is "s" ( saturation )
// see https://www.desmos.com/3d/a88652b9a4
// Determines if high brightness or high saturation is more important
const float a = 0.93;
const float b = 0.11;
const float c = 0.66; // Determines the smoothness of the transition of unboosted to boosted colors
//
// http://www.flong.com/archive/texts/code/shapers_circ/
float doubleCircleSigmoid(float x, float a) {
a = clamp(a, 0.0, 1.0);
float y = .0;
if (x <= a) {
y = a - sqrt(a * a - x * x);
} else {
y = a + sqrt(pow(1. - a, 2.) - pow(x - 1., 2.));
}
return y;
}
vec3 rgb2hsl(vec3 col) {
float red = col.r;
float green = col.g;
float blue = col.b;
float minc = min(col.r, min(col.g, col.b));
float maxc = max(col.r, max(col.g, col.b));
float delta = maxc - minc;
float lum = (minc + maxc) * 0.5;
float sat = 0.0;
float hue = 0.0;
if (lum > 0.0 && lum < 1.0) {
float mul = (lum < 0.5) ? (lum) : (1.0 - lum);
sat = delta / (mul * 2.0);
}
if (delta > 0.0) {
vec3 maxcVec = vec3(maxc);
vec3 masks = vec3(equal(maxcVec, col)) * vec3(notEqual(maxcVec, vec3(green, blue, red)));
vec3 adds = vec3(0.0, 2.0, 4.0) + vec3(green - blue, blue - red, red - green) / delta;
hue += dot(adds, masks);
hue /= 6.0;
if (hue < 0.0)
hue += 1.0;
}
return vec3(hue, sat, lum);
}
vec3 hsl2rgb(vec3 col) {
const float onethird = 1.0 / 3.0;
const float twothird = 2.0 / 3.0;
const float rcpsixth = 6.0;
float hue = col.x;
float sat = col.y;
float lum = col.z;
vec3 xt = vec3(0.0);
if (hue < onethird) {
xt.r = rcpsixth * (onethird - hue);
xt.g = rcpsixth * hue;
xt.b = 0.0;
} else if (hue < twothird) {
xt.r = 0.0;
xt.g = rcpsixth * (twothird - hue);
xt.b = rcpsixth * (hue - onethird);
} else
xt = vec3(rcpsixth * (hue - twothird), 0.0, rcpsixth * (1.0 - hue));
xt = min(xt, 1.0);
float sat2 = 2.0 * sat;
float satinv = 1.0 - sat;
float luminv = 1.0 - lum;
float lum2m1 = (2.0 * lum) - 1.0;
vec3 ct = (sat2 * xt) + satinv;
vec3 rgb;
if (lum >= 0.5)
rgb = (luminv * ct) + lum2m1;
else
rgb = lum * ct;
return rgb;
}
void main() {
vec2 uv = v_texcoord * 2.0;
vec4 sum = texture2D(tex, uv) * 4.0;
sum += texture2D(tex, uv - halfpixel.xy * radius);
sum += texture2D(tex, uv + halfpixel.xy * radius);
sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius);
sum += texture2D(tex, uv - vec2(halfpixel.x, -halfpixel.y) * radius);
vec4 color = sum / 8.0;
if (vibrancy == 0.0) {
gl_FragColor = color;
} else {
// Invert it so that it correctly maps to the config setting
float vibrancy_darkness1 = 1.0 - vibrancy_darkness;
// Decrease the RGB components based on their perceived brightness, to prevent visually dark colors from overblowing the rest.
vec3 hsl = rgb2hsl(color.rgb);
// Calculate perceived brightness, as not boost visually dark colors like deep blue as much as equally saturated yellow
float perceivedBrightness = doubleCircleSigmoid(sqrt(color.r * color.r * Pr + color.g * color.g * Pg + color.b * color.b * Pb), 0.8 * vibrancy_darkness1);
float b1 = b * vibrancy_darkness1;
float boostBase = hsl[1] > 0.0 ? smoothstep(b1 - c * 0.5, b1 + c * 0.5, 1.0 - (pow(1.0 - hsl[1] * cos(a), 2.0) + pow(1.0 - perceivedBrightness * sin(a), 2.0))) : 0.0;
float saturation = clamp(hsl[1] + (boostBase * vibrancy) / float(passes), 0.0, 1.0);
vec3 newColor = hsl2rgb(vec3(hsl[0], saturation, hsl[2]));
gl_FragColor = vec4(newColor, color[3]);
}
}
)#";
inline const std::string FRAGBLUR2 = R"#(
#version 100
precision highp float;
varying highp vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float radius;
uniform vec2 halfpixel;
void main() {
vec2 uv = v_texcoord / 2.0;
vec4 sum = texture2D(tex, uv + vec2(-halfpixel.x * 2.0, 0.0) * radius);
sum += texture2D(tex, uv + vec2(-halfpixel.x, halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, uv + vec2(0.0, halfpixel.y * 2.0) * radius);
sum += texture2D(tex, uv + vec2(halfpixel.x, halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, uv + vec2(halfpixel.x * 2.0, 0.0) * radius);
sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius) * 2.0;
sum += texture2D(tex, uv + vec2(0.0, -halfpixel.y * 2.0) * radius);
sum += texture2D(tex, uv + vec2(-halfpixel.x, -halfpixel.y) * radius) * 2.0;
gl_FragColor = sum / 12.0;
}
)#";
inline const std::string FRAGBLURPREPARE = R"#(
precision highp float;
varying vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float contrast;
uniform float brightness;
float gain(float x, float k) {
float a = 0.5 * pow(2.0 * ((x < 0.5) ? x : 1.0 - x), k);
return (x < 0.5) ? a : 1.0 - a;
}
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
// contrast
if (contrast != 1.0) {
pixColor.r = gain(pixColor.r, contrast);
pixColor.g = gain(pixColor.g, contrast);
pixColor.b = gain(pixColor.b, contrast);
}
// brightness
if (brightness > 1.0) {
pixColor.rgb *= brightness;
}
gl_FragColor = pixColor;
}
)#";
inline const std::string FRAGBLURFINISH = R"#(
precision highp float;
varying vec2 v_texcoord; // is in 0-1
uniform sampler2D tex;
uniform float noise;
uniform float brightness;
float hash(vec2 p) {
vec3 p3 = fract(vec3(p.xyx) * 1689.1984);
p3 += dot(p3, p3.yzx + 33.33);
return fract((p3.x + p3.y) * p3.z);
}
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
// noise
float noiseHash = hash(v_texcoord);
float noiseAmount = (mod(noiseHash, 1.0) - 0.5);
pixColor.rgb += noiseAmount * noise;
// brightness
if (brightness < 1.0) {
pixColor.rgb *= brightness;
}
gl_FragColor = pixColor;
}
)#";
inline const std::string TEXFRAGSRCEXT = R"#(
#extension GL_OES_EGL_image_external : require
precision highp float;
varying vec2 v_texcoord;
uniform samplerExternalOES texture0;
uniform float alpha;
uniform vec2 topLeft;
uniform vec2 fullSize;
uniform float radius;
uniform int discardOpaque;
uniform int discardAlpha;
uniform int discardAlphaValue;
uniform int applyTint;
uniform vec3 tint;
void main() {
vec4 pixColor = texture2D(texture0, v_texcoord);
if (discardOpaque == 1 && pixColor[3] * alpha == 1.0)
discard;
if (applyTint == 1) {
pixColor[0] = pixColor[0] * tint[0];
pixColor[1] = pixColor[1] * tint[1];
pixColor[2] = pixColor[2] * tint[2];
}
if (radius > 0.0) {
)#" +
ROUNDED_SHADER_FUNC("pixColor") + R"#(
}
gl_FragColor = pixColor * alpha;
}
)#";
static const std::string FRAGGLITCH = R"#(
precision highp float;
varying vec2 v_texcoord;
uniform sampler2D tex;
uniform float time; // quirk: time is set to 0 at the beginning, should be around 10 when crash.
uniform float distort;
uniform vec2 screenSize;
float rand(float co) {
return fract(sin(dot(vec2(co, co), vec2(12.9898, 78.233))) * 43758.5453);
}
float rand(vec2 co) {
return fract(sin(dot(co, vec2(12.9898, 78.233))) * 43758.5453);
}
float noise(vec2 point) {
vec2 floored = floor(point);
vec2 fractal = fract(point);
fractal = fractal * fractal * (3.0 - 2.0 * fractal);
float mixed = mix(
mix(rand(floored), rand(floored + vec2(1.0, 0.0)), fractal.x),
mix(rand(floored + vec2(0.0,1.0)), rand(floored + vec2(1.0,1.0)), fractal.x), fractal.y);
return mixed * mixed;
}
void main() {
float ABERR_OFFSET = 4.0 * (distort / 5.5) * time;
float TEAR_AMOUNT = 9000.0 * (1.0 - (distort / 5.5));
float TEAR_BANDS = 108.0 / 2.0 * (distort / 5.5) * 2.0;
float MELT_AMOUNT = (distort * 8.0) / screenSize.y;
float NOISE = abs(mod(noise(v_texcoord) * distort * time * 2.771, 1.0)) * time / 10.0;
if (time < 2.0)
NOISE = 0.0;
float offset = (mod(rand(floor(v_texcoord.y * TEAR_BANDS)) * 318.772 * time, 20.0) - 10.0) / TEAR_AMOUNT;
vec2 blockOffset = vec2(((abs(mod(rand(floor(v_texcoord.x * 37.162)) * 721.43, 100.0))) - 50.0) / 200000.0 * pow(time, 3.0),
((abs(mod(rand(floor(v_texcoord.y * 45.882)) * 733.923, 100.0))) - 50.0) / 200000.0 * pow(time, 3.0));
if (time < 3.0)
blockOffset = vec2(0,0);
float meltSeed = abs(mod(rand(floor(v_texcoord.x * screenSize.x * 17.719)) * 281.882, 1.0));
if (meltSeed < 0.8) {
meltSeed = 0.0;
} else {
meltSeed *= 25.0 * NOISE;
}
float meltAmount = MELT_AMOUNT * meltSeed;
vec2 pixCoord = vec2(v_texcoord.x + offset + NOISE * 3.0 / screenSize.x + blockOffset.x, v_texcoord.y - meltAmount + 0.02 * NOISE / screenSize.x + NOISE * 3.0 / screenSize.y + blockOffset.y);
vec4 pixColor = texture2D(tex, pixCoord);
vec4 pixColorLeft = texture2D(tex, pixCoord + vec2(ABERR_OFFSET / screenSize.x, 0));
vec4 pixColorRight = texture2D(tex, pixCoord + vec2(-ABERR_OFFSET / screenSize.x, 0));
pixColor[0] = pixColorLeft[0];
pixColor[2] = pixColorRight[2];
pixColor[0] += distort / 90.0;
gl_FragColor = pixColor;
}
)#";
|