mirror of
https://github.com/comfyanonymous/ComfyUI.git
synced 2026-05-10 09:12:31 +08:00
8bf520295e
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/.
616 lines
16 KiB
JSON
616 lines
16 KiB
JSON
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"#version 300 es\nprecision highp float;\n\nuniform sampler2D u_image0;\nuniform sampler2D u_curve0; // RGB master curve (256x1 LUT)\nuniform sampler2D u_curve1; // Red channel curve\nuniform sampler2D u_curve2; // Green channel curve\nuniform sampler2D u_curve3; // Blue channel curve\n\nin vec2 v_texCoord;\nlayout(location = 0) out vec4 fragColor0;\n\n// GIMP-compatible curve lookup with manual linear interpolation.\n// Matches gimp_curve_map_value_inline() from gimpcurve-map.c:\n// index = value * (n_samples - 1)\n// f = fract(index)\n// result = (1-f) * samples[floor] + f * samples[ceil]\n//\n// Uses texelFetch (NEAREST) to avoid GPU half-texel offset issues\n// that occur with texture() + GL_LINEAR on small 256x1 LUTs.\nfloat applyCurve(sampler2D curve, float value) {\n value = clamp(value, 0.0, 1.0);\n\n float pos = value * 255.0;\n int lo = int(floor(pos));\n int hi = min(lo + 1, 255);\n float f = pos - float(lo);\n\n float a = texelFetch(curve, ivec2(lo, 0), 0).r;\n float b = texelFetch(curve, ivec2(hi, 0), 0).r;\n\n return a + f * (b - a);\n}\n\nvoid main() {\n vec4 color = texture(u_image0, v_texCoord);\n\n // GIMP order: per-channel curves first, then RGB master curve.\n // See gimp_curve_map_pixels() default case in gimpcurve-map.c:\n // dest = colors_curve( channel_curve( src ) )\n float tmp_r = applyCurve(u_curve1, color.r);\n float tmp_g = applyCurve(u_curve2, color.g);\n float tmp_b = applyCurve(u_curve3, color.b);\n color.r = applyCurve(u_curve0, tmp_r);\n color.g = applyCurve(u_curve0, tmp_g);\n color.b = applyCurve(u_curve0, tmp_b);\n\n fragColor0 = vec4(color.rgb, color.a);\n}\n",
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"origin_slot": 3,
|
|
"target_id": 6,
|
|
"target_slot": 1,
|
|
"type": "HISTOGRAM"
|
|
},
|
|
{
|
|
"id": 38,
|
|
"origin_id": 9,
|
|
"origin_slot": 4,
|
|
"target_id": 7,
|
|
"target_slot": 1,
|
|
"type": "HISTOGRAM"
|
|
}
|
|
],
|
|
"extra": {
|
|
"workflowRendererVersion": "LG"
|
|
},
|
|
"category": "Image Tools/Color adjust",
|
|
"description": "Fine-tune image tone and color using curve adjustments per channel."
|
|
}
|
|
]
|
|
}
|
|
} |