Adaptive Outline

Minecraft 版本： 1.16 1.16.1 1.16.2 1.16.3 1.16.4 1.16.5 1.17 1.17.1 1.18 1.18.1 1.18.2 1.19 1.19.1 1.19.2 1.19.3 1.19.4 1.20 1.20.1 1.20.2 1.20.3 1.20.4 1.20.5 1.20.6 1.21 1.21.1 1.21.2 1.21.3 1.21.4 1.21.5 1.21.6 1.21.7 1.21.8 1.21.9 1.21.10 1.21.11

平台： iris optifine

标签： cartoon vanilla-like

This is a vanilla shader with a stroke.

The stroke brightens the light areas and darkens the dark areas.

шейдер изменём только в final.fsh

#version 330 compatibility

uniform sampler2D colortex0; 
uniform sampler2D depthtex0; 

in vec2 texcoord;
layout(location = 0) out vec4 color;

void main() {
    vec2 texel = 1.0 / vec2(textureSize(colortex0, 0));
    vec4 scene = texture(colortex0, texcoord);

    float d_center = 1.0 - textureLod(depthtex0, texcoord, 0.0).r;

    vec2 offsets[2] = vec2[](
        vec2(texel.x, 0),
        vec2(texel.x * 3.0, 0)
    );

    float gradients[4];

    for(int i = 0; i < 2; i++) {
        float d_right = 1.0 - textureLod(depthtex0, texcoord + offsets[i], 0.0).r;
        float d_left  = 1.0 - textureLod(depthtex0, texcoord - offsets[i], 0.0).r;

        gradients[i] = abs(d_right - d_left) / (offsets[i].x * 2.0);

        vec2 vertical_offset = vec2(0, offsets[i].x);
        float d_up    = 1.0 - textureLod(depthtex0, texcoord + vertical_offset, 0.0).r;
        float d_down  = 1.0 - textureLod(depthtex0, texcoord - vertical_offset, 0.0).r;

        gradients[i + 2] = abs(d_up - d_down) / (vertical_offset.y * 2.0);
    }

    float gradient_ratio_h = gradients[0] / (gradients[1] + 0.0001);
    float gradient_ratio_v = gradients[2] / (gradients[3] + 0.0001);

    bool is_real_edge_h = gradient_ratio_h > 2.0;
    bool is_real_edge_v = gradient_ratio_v > 2.0;

    float edge = 0.0;

    if(is_real_edge_h || is_real_edge_v) {
        float max_gradient = max(gradients[0], gradients[2]);
        edge = max_gradient * 500.0;
    }

    float depth_precision = 0.001 + d_center * 0.01;
    if(edge < depth_precision * 100.0) {
        edge = 0.0;
    }

    float threshold = 0.15;

    if(edge > threshold && (is_real_edge_h || is_real_edge_v)) {
        float edge_strength = clamp((edge - threshold) * 2.0, 0.0, 1.0);

        vec4 color_up = texture(colortex0, texcoord + vec2(0, texel.y));
        vec4 color_down = texture(colortex0, texcoord - vec2(0, texel.y));
        vec4 color_left = texture(colortex0, texcoord - vec2(texel.x, 0));
        vec4 color_right = texture(colortex0, texcoord + vec2(texel.x, 0));

        vec4 avg_color = (color_up + color_down + color_left + color_right) * 0.25;

        float neighbor_brightness = dot(avg_color.rgb, vec3(0.299, 0.587, 0.114));

        float brightness_factor;

        if(neighbor_brightness > 0.35) { // here we change the change threshold
            brightness_factor = 1.0 + edge_strength * 0.2; // we're changing it here brightens
        } else {
            brightness_factor = 1.0 - edge_strength * 0.2; // we're changing it here darkens
        }

        color.rgb = scene.rgb * brightness_factor;
        color.a = scene.a;

    } else {
        color = scene;
    }
}