mirror of
https://github.com/comfyanonymous/ComfyUI.git
synced 2026-05-10 17:22:36 +08:00
cc3e622d9f
Sets the 'description' field on every subgraph blueprint node, which will show on the node preview and tooltip. Covers all 51 blueprint files under blueprints/.
588 lines
18 KiB
JSON
588 lines
18 KiB
JSON
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"#version 300 es\nprecision highp float;\n\nuniform sampler2D u_image0;\nuniform vec2 u_resolution;\nuniform float u_float0; // grain amount [0.0 \u2013 1.0] typical: 0.2\u20130.8\nuniform float u_float1; // grain size [0.3 \u2013 3.0] lower = finer grain\nuniform float u_float2; // color amount [0.0 \u2013 1.0] 0 = monochrome, 1 = RGB grain\nuniform float u_float3; // luminance bias [0.0 \u2013 1.0] 0 = uniform, 1 = shadows only\nuniform int u_int0; // noise mode [0 or 1] 0 = smooth, 1 = grainy\n\nin vec2 v_texCoord;\nlayout(location = 0) out vec4 fragColor0;\n\n// High-quality integer hash (pcg-like)\nuint pcg(uint v) {\n uint state = v * 747796405u + 2891336453u;\n uint word = ((state >> ((state >> 28u) + 4u)) ^ state) * 277803737u;\n return (word >> 22u) ^ word;\n}\n\n// 2D -> 1D hash input\nuint hash2d(uvec2 p) {\n return pcg(p.x + pcg(p.y));\n}\n\n// Hash to float [0, 1]\nfloat hashf(uvec2 p) {\n return float(hash2d(p)) / float(0xffffffffu);\n}\n\n// Hash to float with offset (for RGB channels)\nfloat hashf(uvec2 p, uint offset) {\n return float(pcg(hash2d(p) + offset)) / float(0xffffffffu);\n}\n\n// Convert uniform [0,1] to roughly Gaussian distribution\n// Using simple approximation: average of multiple samples\nfloat toGaussian(uvec2 p) {\n float sum = hashf(p, 0u) + hashf(p, 1u) + hashf(p, 2u) + hashf(p, 3u);\n return (sum - 2.0) * 0.7; // Centered, scaled\n}\n\nfloat toGaussian(uvec2 p, uint offset) {\n float sum = hashf(p, offset) + hashf(p, offset + 1u) \n + hashf(p, offset + 2u) + hashf(p, offset + 3u);\n return (sum - 2.0) * 0.7;\n}\n\n// Smooth noise with better interpolation\nfloat smoothNoise(vec2 p) {\n vec2 i = floor(p);\n vec2 f = fract(p);\n \n // Quintic interpolation (less banding than cubic)\n f = f * f * f * (f * (f * 6.0 - 15.0) + 10.0);\n \n uvec2 ui = uvec2(i);\n float a = toGaussian(ui);\n float b = toGaussian(ui + uvec2(1u, 0u));\n float c = toGaussian(ui + uvec2(0u, 1u));\n float d = toGaussian(ui + uvec2(1u, 1u));\n \n return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);\n}\n\nfloat smoothNoise(vec2 p, uint offset) {\n vec2 i = floor(p);\n vec2 f = fract(p);\n \n f = f * f * f * (f * (f * 6.0 - 15.0) + 10.0);\n \n uvec2 ui = uvec2(i);\n float a = toGaussian(ui, offset);\n float b = toGaussian(ui + uvec2(1u, 0u), offset);\n float c = toGaussian(ui + uvec2(0u, 1u), offset);\n float d = toGaussian(ui + uvec2(1u, 1u), offset);\n \n return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);\n}\n\nvoid main() {\n vec4 color = texture(u_image0, v_texCoord);\n \n // Luminance (Rec.709)\n float luma = dot(color.rgb, vec3(0.2126, 0.7152, 0.0722));\n \n // Grain UV (resolution-independent)\n vec2 grainUV = v_texCoord * u_resolution / max(u_float1, 0.01);\n uvec2 grainPixel = uvec2(grainUV);\n \n float g;\n vec3 grainRGB;\n \n if (u_int0 == 1) {\n // Grainy mode: pure hash noise (no interpolation = no banding)\n g = toGaussian(grainPixel);\n grainRGB = vec3(\n toGaussian(grainPixel, 100u),\n toGaussian(grainPixel, 200u),\n toGaussian(grainPixel, 300u)\n );\n } else {\n // Smooth mode: interpolated with quintic curve\n g = smoothNoise(grainUV);\n grainRGB = vec3(\n smoothNoise(grainUV, 100u),\n smoothNoise(grainUV, 200u),\n smoothNoise(grainUV, 300u)\n );\n }\n \n // Luminance weighting (less grain in highlights)\n float lumWeight = mix(1.0, 1.0 - luma, clamp(u_float3, 0.0, 1.0));\n \n // Strength\n float strength = u_float0 * 0.15;\n \n // Color vs monochrome grain\n vec3 grainColor = mix(vec3(g), grainRGB, clamp(u_float2, 0.0, 1.0));\n \n color.rgb += grainColor * strength * lumWeight;\n fragColor0 = vec4(clamp(color.rgb, 0.0, 1.0), color.a);\n}\n",
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|
|
{
|
|
"id": 27,
|
|
"origin_id": 18,
|
|
"origin_slot": 0,
|
|
"target_id": 15,
|
|
"target_slot": 3,
|
|
"type": "FLOAT"
|
|
},
|
|
{
|
|
"id": 28,
|
|
"origin_id": 19,
|
|
"origin_slot": 0,
|
|
"target_id": 15,
|
|
"target_slot": 4,
|
|
"type": "FLOAT"
|
|
},
|
|
{
|
|
"id": 29,
|
|
"origin_id": 20,
|
|
"origin_slot": 0,
|
|
"target_id": 15,
|
|
"target_slot": 5,
|
|
"type": "FLOAT"
|
|
},
|
|
{
|
|
"id": 30,
|
|
"origin_id": 21,
|
|
"origin_slot": 1,
|
|
"target_id": 15,
|
|
"target_slot": 7,
|
|
"type": "INT"
|
|
},
|
|
{
|
|
"id": 22,
|
|
"origin_id": -10,
|
|
"origin_slot": 0,
|
|
"target_id": 15,
|
|
"target_slot": 0,
|
|
"type": "IMAGE"
|
|
},
|
|
{
|
|
"id": 23,
|
|
"origin_id": 15,
|
|
"origin_slot": 0,
|
|
"target_id": -20,
|
|
"target_slot": 0,
|
|
"type": "IMAGE"
|
|
}
|
|
],
|
|
"extra": {
|
|
"workflowRendererVersion": "LG"
|
|
},
|
|
"category": "Image Tools/Color adjust",
|
|
"description": "Adds authentic film grain texture for a cinematic look."
|
|
}
|
|
]
|
|
}
|
|
} |