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joshuaelm
2025-02-07 17:04:43 -06:00
parent 33fd7ddf72
commit 8eec81c7f4
2249 changed files with 75331 additions and 685 deletions
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modules/wallpaper-engine/effects/vhs/previewvhs/shaders/effects/vhs.frag Normal file
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// [COMBO] {"material":"ui_editor_properties_blend_mode","combo":"BLENDMODE","type":"imageblending","default":12}
// [COMBO] {"material":"ui_editor_properties_greyscale","combo":"GREYSCALE","type":"options","default":0}
// [COMBO] {"material":"ui_editor_properties_artifacts_negated","combo":"INVERTARTIFACTS","type":"options","default":1}
#include "common.h"
#include "common_blending.h"
varying vec4 v_TexCoord;
varying vec4 v_TexCoordGlitch;
varying vec4 v_TexCoordNoise;
varying vec4 v_TexCoordVHSNoise;
uniform sampler2D g_Texture0; // {"material":"ui_editor_properties_framebuffer","hidden":true}
uniform sampler2D g_Texture1; // {"material":"ui_editor_properties_noise","default":"util/noise"}
uniform sampler2D g_Texture2; // {"material":"ui_editor_properties_opacity_mask","mode":"opacitymask","default":"util/white","combo":"MASK"}
uniform float g_Time;
uniform float g_NoiseAlpha; // {"material":"strength","label":"ui_editor_properties_alpha","default":1.0,"range":[0.0, 2.0]}
uniform float g_DistortionStrength; // {"material":"distortionstrength","label":"ui_editor_properties_distortion_strength","default":1.0,"range":[0.0, 2.0]}
uniform float g_DistortionSpeed; // {"material":"distortionspeed","label":"ui_editor_properties_distortion_speed","default":1,"range":[0.0, 2.0]}
uniform float g_DistortionWidth; // {"material":"distortionwidth","label":"ui_editor_properties_distortion_width","default":1.0,"range":[0.0, 2.0]}
uniform float g_ArtifactsScale; // {"material":"artifacts","label":"ui_editor_properties_artifacts","default":1.5,"range":[0.0, 3.0]}
void main() {
float dblend = sin(g_Time);
dblend = sign(dblend) * pow(abs(max(0.00001, dblend)), 4.0);
vec2 distortion = vec2(dblend *
g_DistortionStrength * 0.02 *
smoothstep(0.01 * g_DistortionWidth, 0.0, abs(frac(g_Time * g_DistortionSpeed) - v_TexCoord.y)),
0.0);
distortion *= g_NoiseAlpha;
vec4 orig = texSample2D(g_Texture0, v_TexCoord.xy + distortion);
vec4 albedo;
albedo.ga = orig.ga;
albedo.r = texSample2D(g_Texture0, v_TexCoordGlitch.xy + distortion).r;
albedo.b = texSample2D(g_Texture0, v_TexCoordGlitch.zw + distortion).b;
vec3 noise = texSample2D(g_Texture1, v_TexCoordNoise.xy).rgb;
vec3 noise2 = texSample2D(g_Texture1, v_TexCoordNoise.zw).gbr;
#if GREYSCALE == 1
noise = CAST3(greyscale(noise));
noise2 = CAST3(greyscale(noise2));
#endif
noise = saturate(noise * noise2);
float blend = 0.1;
#if MASK == 1
blend *= texSample2D(g_Texture2, v_TexCoord.zw).r;
#endif
albedo.rgb = ApplyBlending(BLENDMODE, albedo.rgb, noise, blend);
albedo.rgb = BlendOpacity(albedo.rgb, smoothstep(0.7, 1.0, noise), BlendLinearDodge, blend);
vec2 vhsNoise = texSample2D(g_Texture1, v_TexCoordVHSNoise.xy).rg;
vec2 vhsNoise2 = texSample2D(g_Texture1, v_TexCoordVHSNoise.zw).rg;
float artifactLimiter = pow(g_ArtifactsScale, 0.2);
float artifactsAlpha = step(0.9, vhsNoise.x * artifactLimiter) * step(0.9, vhsNoise2.x * artifactLimiter) * vhsNoise.y * vhsNoise2.y;
#if INVERTARTIFACTS
albedo.rgb = mix(albedo.rgb, CAST3(1.0 - albedo.rgb), artifactsAlpha);
#else
albedo.rgb += CAST3(artifactsAlpha);
#endif
gl_FragColor = mix(orig, albedo, g_NoiseAlpha);
}