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292a5918f4
ComfyUI/blueprints/Image Blur.json
pythongosssss 292a5918f4 shader nit iteration
2026-01-31 16:03:47 -08:00

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{"revision": 0, "last_node_id": 8, "last_link_id": 0, "nodes": [{"id": 8, "type": "198632a3-ee76-4aab-9ce7-a69c624eaff9", "pos": [4470, -1840], "size": [210, 82], "flags": {}, "order": 3, "mode": 0, "inputs": [{"label": "image", "localized_name": "images.image0", "name": "images.image0", "type": "IMAGE", "link": null}], "outputs": [{"label": "blurred_image", "localized_name": "IMAGE0", "name": "IMAGE0", "type": "IMAGE", "links": []}], "properties": {"proxyWidgets": [["12", "choice"], ["10", "value"]]}, "widgets_values": [], "title": "Image Blur"}], "links": [], "version": 0.4, "definitions": {"subgraphs": [{"id": "198632a3-ee76-4aab-9ce7-a69c624eaff9", "version": 1, "state": {"lastGroupId": 0, "lastNodeId": 12, "lastLinkId": 11, "lastRerouteId": 0}, "revision": 0, "config": {}, "name": "Image Blur", "inputNode": {"id": -10, "bounding": [3540, -2445, 120, 60]}, "outputNode": {"id": -20, "bounding": [4620, -2445, 121.11666870117188, 60]}, "inputs": [{"id": "7ff2a402-6b11-45e8-a92a-7158d216520a", "name": "images.image0", "type": "IMAGE", "linkIds": [9], "localized_name": "images.image0", "label": "image", "pos": [3640, -2425]}], "outputs": [{"id": "80a8e19e-ffd9-44a5-90f2-710815a5b063", "name": "IMAGE0", "type": "IMAGE", "linkIds": [3], "localized_name": "IMAGE0", "label": "blurred_image", "pos": [4640, -2425]}], "widgets": [], "nodes": [{"id": 12, "type": "CustomCombo", "pos": [3720, -2620], "size": [270, 174], "flags": {}, "order": 0, "mode": 0, "inputs": [{"label": "blur_type", "localized_name": "choice", "name": "choice", "type": "COMBO", "widget": {"name": "choice"}, "link": null}], "outputs": [{"localized_name": "STRING", "name": "STRING", "type": "STRING", "links": null}, {"localized_name": "INDEX", "name": "INDEX", "type": "INT", "links": [11]}], "properties": {"Node name for S&R": "CustomCombo"}, "widgets_values": ["Gaussian", 0, "Gaussian", "Box", "Radial", ""]}, {"id": 10, "type": "PrimitiveFloat", "pos": [4020, -2780], "size": [270, 58], "flags": {}, "order": 1, "mode": 0, "inputs": [{"label": "strength", "localized_name": "value", "name": "value", "type": "FLOAT", "widget": {"name": "value"}, "link": null}], "outputs": [{"localized_name": "FLOAT", "name": "FLOAT", "type": "FLOAT", "links": [10]}], "properties": {"Node name for S&R": "PrimitiveFloat", "max": 100, "min": 0}, "widgets_values": [20]}, {"id": 1, "type": "GLSLShader", "pos": [4020, -2670], "size": [430, 212], "flags": {}, "order": 2, "mode": 0, "inputs": [{"label": "image0", "localized_name": "images.image0", "name": "images.image0", "type": "IMAGE", "link": 9}, {"label": "image1", "localized_name": "images.image1", "name": "images.image1", "shape": 7, "type": "IMAGE", "link": null}, {"label": "u_float0", "localized_name": "floats.u_float0", "name": "floats.u_float0", "shape": 7, "type": "FLOAT", "link": 10}, {"label": "u_float1", "localized_name": "floats.u_float1", "name": "floats.u_float1", "shape": 7, "type": "FLOAT", "link": null}, {"label": "u_int0", "localized_name": "ints.u_int0", "name": "ints.u_int0", "shape": 7, "type": "INT", "link": 11}, {"label": "u_int1", "localized_name": "ints.u_int1", "name": "ints.u_int1", "shape": 7, "type": "INT", "link": null}, {"localized_name": "fragment_shader", "name": "fragment_shader", "type": "STRING", "widget": {"name": "fragment_shader"}, "link": null}, {"localized_name": "size_mode", "name": "size_mode", "type": "COMFY_DYNAMICCOMBO_V3", "widget": {"name": "size_mode"}, "link": null}], "outputs": [{"localized_name": "IMAGE0", "name": "IMAGE0", "type": "IMAGE", "links": [3]}, {"localized_name": "IMAGE1", "name": "IMAGE1", "type": "IMAGE", "links": []}, {"localized_name": "IMAGE2", "name": "IMAGE2", "type": "IMAGE", "links": []}, {"localized_name": "IMAGE3", "name": "IMAGE3", "type": "IMAGE", "links": []}], "properties": {"Node name for S&R": "GLSLShader"}, "widgets_values": ["#version 300 es\nprecision highp float;\n\n// Blur type constants\nconst int BLUR_GAUSSIAN = 0;\nconst int BLUR_BOX = 1;\nconst int BLUR_RADIAL = 2;\n\nconst float GOLDEN_ANGLE = 2.39996323;\nconst int MAX_SAMPLES = 48;\n\n// Radial blur config\nconst int RADIAL_SAMPLES = 12;\nconst float RADIAL_STRENGTH = 0.0003;\n\nuniform sampler2D u_image0;\nuniform vec2 u_resolution;\nuniform int u_int0; // Blur type (BLUR_GAUSSIAN, BLUR_BOX, BLUR_RADIAL)\nuniform float u_float0; // Blur radius/amount\n\nin vec2 v_texCoord;\nlayout(location = 0) out vec4 fragColor0;\n\nfloat gaussian(float distSq, float sigma) {\n return exp(-distSq / (2.0 * sigma * sigma));\n}\n\nvoid main() {\n vec2 texelSize = 1.0 / u_resolution;\n float radius = max(u_float0, 0.0);\n\n // Radial (angular) blur with incremental rotation\n if (u_int0 == BLUR_RADIAL) {\n vec2 center = vec2(0.5);\n vec2 dir = v_texCoord - center;\n float dist = length(dir);\n\n if (dist < 1e-4) {\n fragColor0 = texture(u_image0, v_texCoord);\n return;\n }\n\n vec4 sum = vec4(0.0);\n float totalWeight = 0.0;\n float angleStep = radius * RADIAL_STRENGTH;\n\n dir /= dist;\n\n float cosStep = cos(angleStep);\n float sinStep = sin(angleStep);\n\n float negAngle = -float(RADIAL_SAMPLES) * angleStep;\n vec2 rotDir = vec2(\n dir.x * cos(negAngle) - dir.y * sin(negAngle),\n dir.x * sin(negAngle) + dir.y * cos(negAngle)\n );\n\n for (int i = -RADIAL_SAMPLES; i <= RADIAL_SAMPLES; i++) {\n vec2 uv = center + rotDir * dist;\n float w = 1.0 - abs(float(i)) / float(RADIAL_SAMPLES);\n sum += texture(u_image0, uv) * w;\n totalWeight += w;\n\n rotDir = vec2(\n rotDir.x * cosStep - rotDir.y * sinStep,\n rotDir.x * sinStep + rotDir.y * cosStep\n );\n }\n\n fragColor0 = sum / max(totalWeight, 0.001);\n return;\n }\n\n if (radius < 0.5) {\n fragColor0 = texture(u_image0, v_texCoord);\n return;\n }\n\n float sigma = radius / 3.0;\n\n vec4 color = vec4(0.0);\n float totalWeight = 0.0;\n\n float centerWeight = (u_int0 == BLUR_GAUSSIAN) ? gaussian(0.0, sigma) : 1.0;\n color += texture(u_image0, v_texCoord) * centerWeight;\n totalWeight += centerWeight;\n\n for (int i = 1; i < MAX_SAMPLES; i++) {\n float t = float(i) / float(MAX_SAMPLES - 1);\n float r = t * radius;\n float angle = float(i) * GOLDEN_ANGLE;\n\n vec2 offset = vec2(cos(angle), sin(angle)) * r * texelSize;\n vec4 sampleColor = texture(u_image0, v_texCoord + offset);\n\n float weight;\n if (u_int0 == BLUR_GAUSSIAN) {\n float distSq = r * r;\n weight = gaussian(distSq, sigma);\n } else {\n // Box blur: uniform weight within radius\n weight = 1.0;\n }\n\n color += sampleColor * weight;\n totalWeight += weight;\n }\n\n fragColor0 = color / max(totalWeight, 0.001);\n}\n", "from_input"]}], "groups": [], "links": [{"id": 10, "origin_id": 10, "origin_slot": 0, "target_id": 1, "target_slot": 2, "type": "FLOAT"}, {"id": 11, "origin_id": 12, "origin_slot": 1, "target_id": 1, "target_slot": 4, "type": "INT"}, {"id": 9, "origin_id": -10, "origin_slot": 0, "target_id": 1, "target_slot": 0, "type": "IMAGE"}, {"id": 3, "origin_id": 1, "origin_slot": 0, "target_id": -20, "target_slot": 0, "type": "IMAGE"}], "extra": {"workflowRendererVersion": "LG"}}]}}
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