\n \n {error && (\n \n {error}\n

\n )}\n \n );\n}\n\n// Rest of the code remains the same as in the previous implementation\nfunction App() {\n const [shaders, setShaders] = useState([]);\n const [username, setUsername] = useState(\"\");\n const [vertexShader, setVertexShader] = useState(\"\");\n const [fragmentShader, setFragmentShader] = useState(\"\");\n\n useEffect(() => {\n fetchShaders();\n }, []);\n\n const fetchShaders = async () => {\n const response = await fetch(\"/shaders\");\n const data = await response.json();\n setShaders(data);\n };\n\n const handleSubmit = async (e) => {\n e.preventDefault();\n const response = await fetch(\"/submit-shader\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({\n username,\n vertexShader: vertexShader || null,\n fragmentShader,\n }),\n });\n\n if (response.ok) {\n fetchShaders();\n setUsername(\"\");\n setVertexShader(\"\");\n setFragmentShader(\"\");\n }\n };\n\n return (\n

🎨 Shader Gallery

\n \n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\nif (typeof document !== \"undefined\") { client(); }\n\nexport default async function server(request: Request): Promise {\n const { sqlite } = await import(\"https://esm.town/v/stevekrouse/sqlite\");\n const KEY = new URL(import.meta.url).pathname.split(\"/\").at(-1);\n const SCHEMA_VERSION = 2; // Increment schema version to create new table\n\n await sqlite.execute(\n `CREATE TABLE IF NOT EXISTS ${KEY}_shaders_${SCHEMA_VERSION} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n username TEXT NOT NULL,\n vertexShader TEXT,\n fragmentShader TEXT NOT NULL,\n timestamp TEXT DEFAULT CURRENT_TIMESTAMP\n )`\n );\n\n if (request.method === \"POST\" && new URL(request.url).pathname === \"/submit-shader\") {\n const { username, vertexShader, fragmentShader } = await request.json();\n await sqlite.execute(\n `\n INSERT INTO ${KEY}_shaders_${SCHEMA_VERSION} \n (username, vertexShader, fragmentShader) \n VALUES (?, ?, ?)\n `,\n [username, vertexShader, fragmentShader],\n );\n return new Response(JSON.stringify({ success: true }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"GET\" && new URL(request.url).pathname === \"/shaders\") {\n const result = await sqlite.execute(`\n SELECT username, vertexShader, fragmentShader \n FROM ${KEY}_shaders_${SCHEMA_VERSION} \n ORDER BY timestamp DESC \n LIMIT 20\n `);\n return new Response(JSON.stringify(result.rows), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n return new Response(\n `\n \n \n Shader Gallery\n \n \n \n

\n \n \n \n \n `,\n {\n headers: { \"Content-Type\": \"text/html\" },\n },\n );\n}\n\nconst css = `\nbody {\n font-family: system-ui, sans-serif;\n line-height: 1.6;\n max-width: 800px;\n margin: 0 auto;\n padding: 20px;\n}\n\nform {\n display: flex;\n flex-direction: column;\n gap: 10px;\n margin-bottom: 20px;\n}\n\ninput, textarea {\n padding: 10px;\n border: 1px solid #ddd;\n border-radius: 4px;\n}\n\ntextarea {\n min-height: 100px;\n}\n\nbutton {\n background-color: #007bff;\n color: white;\n border: none;\n padding: 10px;\n border-radius: 4px;\n cursor: pointer;\n}\n\nbutton:hover {\n background-color: #0056b3;\n}\n`;","label","children",[69],"contentHash","a677ed29587b59ea1c6d5a0238820d5435222feee2352cc0ac6b0f819f8f8654","077748a0-0bff-11f0-ba5e-569c3dd06744","67eb7902-0bfc-11f0-b9f1-569c3dd06744",["D",1743185041820],16,"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { createRoot } from \"https://esm.sh/react-dom@18.2.0/client\";\nimport React, { useCallback, useEffect, useRef, useState } from \"https://esm.sh/react@18.2.0\";\n\nfunction ShaderRenderer({ vertexShader, fragmentShader, animated = false, width = \"100%\", height = \"200px\" }) {\n const canvasRef = useRef(null);\n const [error, setError] = useState(null);\n const animationRef = useRef(null);\n const programRef = useRef(null);\n const glRef = useRef(null);\n\n // Default shaders with explicit precision\n const defaultVertexShader = `#version 300 es\nprecision mediump float;\nlayout(location=0) in vec2 position;\nlayout(location=1) in vec2 texcoord;\nout vec2 v_texcoord;\nvoid main() {\n v_texcoord = texcoord;\n gl_Position = vec4(position, 0.0, 1.0);\n}`;\n\n const defaultFragmentShader = `#version 300 es\nprecision mediump float;\nin vec2 v_texcoord;\nout vec4 fragColor;\nvoid main() {\n fragColor = vec4(v_texcoord.x, v_texcoord.y, 0.5, 1.0);\n}`;\n\n useEffect(() => {\n const canvas = canvasRef.current;\n if (!canvas) return;\n\n // Reset error state\n setError(null);\n\n // Ensure canvas is the right size\n canvas.width = canvas.clientWidth || 250;\n canvas.height = canvas.clientHeight || 200;\n\n const gl = canvas.getContext(\"webgl2\", {\n antialias: true,\n alpha: true,\n powerPreference: \"high-performance\",\n });\n\n if (!gl) {\n setError(\"Unable to get WebGL2 context\");\n return;\n }\n\n const compileShader = (type, source) => {\n if (!source) {\n console.error(\"No shader source provided\");\n return null;\n }\n\n // Ensure precision is specified if not already in the shader\n if (!source.includes(\"precision\")) {\n const precisionPrefix = type === gl.VERTEX_SHADER\n ? \"precision mediump float;\\n\"\n : \"precision mediump float;\\n\";\n source = source.replace(\"#version 300 es\", `#version 300 es\\n${precisionPrefix}`);\n }\n\n const shader = gl.createShader(type);\n if (!shader) {\n console.error(\"Failed to create shader\");\n return null;\n }\n\n gl.shaderSource(shader, source);\n gl.compileShader(shader);\n\n if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {\n const errorLog = gl.getShaderInfoLog(shader);\n console.error(`Shader compilation error: ${errorLog}`);\n setError(`Shader compilation error: ${errorLog}`);\n gl.deleteShader(shader);\n return null;\n }\n\n return shader;\n };\n\n const createProgram = (vs, fs) => {\n // Use default shaders if not provided\n const vertSource = vs || defaultVertexShader;\n const fragSource = fs || defaultFragmentShader;\n\n // Compile shaders\n const vert = compileShader(gl.VERTEX_SHADER, vertSource);\n const frag = compileShader(gl.FRAGMENT_SHADER, fragSource);\n\n // Check if both shaders compiled successfully\n if (!vert || !frag) {\n console.error(\"Shader compilation failed\");\n if (vert) gl.deleteShader(vert);\n if (frag) gl.deleteShader(frag);\n return null;\n }\n\n // Create and link program\n const program = gl.createProgram();\n if (!program) {\n console.error(\"Failed to create WebGL program\");\n gl.deleteShader(vert);\n gl.deleteShader(frag);\n return null;\n }\n\n gl.attachShader(program, vert);\n gl.attachShader(program, frag);\n gl.linkProgram(program);\n\n // Check link status\n if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {\n const errorLog = gl.getProgramInfoLog(program);\n console.error(`Program linking error: ${errorLog}`);\n setError(`Program linking error: ${errorLog}`);\n gl.deleteProgram(program);\n gl.deleteShader(vert);\n gl.deleteShader(frag);\n return null;\n }\n\n // Clean up shaders after linking\n gl.detachShader(program, vert);\n gl.detachShader(program, frag);\n gl.deleteShader(vert);\n gl.deleteShader(frag);\n\n return program;\n };\n\n // Clear canvas\n gl.viewport(0, 0, canvas.width, canvas.height);\n gl.clearColor(0.0, 0.0, 0.0, 1.0);\n gl.clear(gl.COLOR_BUFFER_BIT);\n\n // Render logic\n const program = createProgram(vertexShader, fragmentShader);\n\n if (!program) {\n console.error(\"Failed to create shader program\");\n return;\n }\n\n gl.useProgram(program);\n\n // Create vertex buffer\n const positionBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);\n gl.bufferData(\n gl.ARRAY_BUFFER,\n new Float32Array([\n -1.0,\n -1.0,\n 1.0,\n -1.0,\n -1.0,\n 1.0,\n 1.0,\n 1.0,\n ]),\n gl.STATIC_DRAW,\n );\n\n // Create texture coordinate buffer\n const texCoordBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);\n gl.bufferData(\n gl.ARRAY_BUFFER,\n new Float32Array([\n 0.0,\n 0.0,\n 1.0,\n 0.0,\n 0.0,\n 1.0,\n 1.0,\n 1.0,\n ]),\n gl.STATIC_DRAW,\n );\n\n // Position attribute\n const positionAttributeLocation = gl.getAttribLocation(program, \"position\");\n gl.enableVertexAttribArray(positionAttributeLocation);\n gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);\n gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);\n\n // Texture coordinate attribute\n const texCoordAttributeLocation = gl.getAttribLocation(program, \"texcoord\");\n gl.enableVertexAttribArray(texCoordAttributeLocation);\n gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);\n gl.vertexAttribPointer(texCoordAttributeLocation, 2, gl.FLOAT, false, 0, 0);\n\n // Draw\n gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);\n }, [vertexShader, fragmentShader]);\n\n return (\n

\n \n {error && (\n \n {error}\n

🎨 Shader Gallery

\n \n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\nif (typeof document !== \"undefined\") { client(); }\n\nexport default async function server(request: Request): Promise {\n const { sqlite } = await import(\"https://esm.town/v/stevekrouse/sqlite\");\n const KEY = new URL(import.meta.url).pathname.split(\"/\").at(-1);\n const SCHEMA_VERSION = 2; // Increment schema version to create new table\n\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS ${KEY}_shaders_${SCHEMA_VERSION} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n username TEXT NOT NULL,\n vertexShader TEXT,\n fragmentShader TEXT NOT NULL,\n timestamp TEXT DEFAULT CURRENT_TIMESTAMP\n )\n `);\n\n if (request.method === \"POST\" && new URL(request.url).pathname === \"/submit-shader\") {\n const { username, vertexShader, fragmentShader } = await request.json();\n await sqlite.execute(\n `\n INSERT INTO ${KEY}_shaders_${SCHEMA_VERSION} \n (username, vertexShader, fragmentShader) \n VALUES (?, ?, ?)\n `,\n [username, vertexShader, fragmentShader],\n );\n return new Response(JSON.stringify({ success: true }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"GET\" && new URL(request.url).pathname === \"/shaders\") {\n const result = await sqlite.execute(`\n SELECT username, vertexShader, fragmentShader \n FROM ${KEY}_shaders_${SCHEMA_VERSION} \n ORDER BY timestamp DESC \n LIMIT 20\n `);\n return new Response(JSON.stringify(result.rows), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n return new Response(\n `\n \n \n Shader Gallery\n \n \n \n

\n \n \n \n \n `,\n {\n headers: { \"Content-Type\": \"text/html\" },\n },\n );\n}\n\nconst css = `\nbody {\n font-family: system-ui, sans-serif;\n line-height: 1.6;\n max-width: 800px;\n margin: 0 auto;\n padding: 20px;\n}\n\nform {\n display: flex;\n flex-direction: column;\n gap: 10px;\n margin-bottom: 20px;\n}\n\ninput, textarea {\n padding: 10px;\n border: 1px solid #ddd;\n border-radius: 4px;\n}\n\ntextarea {\n min-height: 100px;\n}\n\nbutton {\n background-color: #007bff;\n color: white;\n border: none;\n padding: 10px;\n border-radius: 4px;\n cursor: pointer;\n}\n\nbutton:hover {\n background-color: #0056b3;\n}\n`;",[69],"c80090e841147dd79f1bf9a9be41888903f56a3fe9f2c22b311c89c66bdda47a",["D",1743183788218],"legacyEnvVars","httpPrivacy","description","imageUrl","userId","387c2a1a-af32-4662-ba80-cb97133b520c","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_11":12,"_134":130},"org",{"_11":12,"_128":-5,"_129":130,"_103":104,"_131":132,"_133":49},"branch","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvdXBsb2FkZWQvaW1nXzJzR3VCb2xOR0loZEIwRWg5cnlVZUt4ajlpQiJ9","tier","pro","canRestrictVals","profileImageUrl","","adoptOrgId",{"_32":40,"_13":14,"_34":177,"_47":-5,"_99":49,"_50":51,"_100":51,"_101":-5,"_102":-5,"_103":104,"_105":92,"_106":26,"_107":-5,"_108":94,"_109":22,"_53":54,"_110":-5,"_111":-5,"_112":-5,"_113":-5,"_114":115,"_116":115,"_117":118,"_119":118,"_120":118,"_121":115,"_122":115,"_123":178,"_125":179,"_127":180,"_48":49},"tree",[174],"files",[174],"counts",{"_163":22,"_164":165,"_166":22,"_167":168,"_169":170},"contents",[160],"file","upstreamProject","upstreamBranch",{"_32":33,"_34":158,"_36":159,"_13":38,"_39":40,"_41":42,"_43":-5,"_44":-5,"_45":46,"_47":-5,"_48":49,"_50":51,"_52":12,"_53":54,"_55":14},"emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},["D",1743183788218],["D",1743185041820],{"_32":74,"_13":69,"_75":76,"_77":-5,"_78":57,"_79":56,"_80":26,"_34":161,"_41":20,"_82":83,"_84":85,"_63":49,"_86":-5,"_68":162},["D",1743185227505],[69],"pulls","branches",2,"forks","envVars",{"_171":22,"_173":22},"connections",{"_171":22,"_172":22},"count","unfilledCount","emptyCount",{"_32":74,"_13":69,"_75":76,"_77":-5,"_78":57,"_79":56,"_80":26,"_34":81,"_41":20,"_82":83,"_84":85,"_63":49,"_86":-5,"_87":175,"_68":176},[],[69],["D",1743183788218],{"_11":12,"_134":130},{"_11":12,"_128":-5,"_129":130,"_103":104,"_131":132,"_133":49},{"_41":56,"_13":16,"_32":57,"_39":40,"_43":33,"_44":42,"_58":51,"_59":40,"_60":54,"_55":14,"_52":12},"ctx",{"_123":-5,"_155":214,"_215":216,"_217":218,"_219":49,"_220":49,"_221":49,"_222":26,"_223":-5,"_224":-7,"_225":-7,"_226":22,"_227":49,"_228":49,"_229":-5,"_230":49,"_231":49,"_232":49,"_233":-5},"ENV",{"_185":186,"_187":188,"_189":38,"_190":191,"_192":193,"_194":195,"_196":197,"_198":199,"_200":201,"_202":203,"_204":205,"_206":207,"_208":209,"_210":211,"_212":213},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","c73f21da490985bff19c279eb0e09db24d688e4f","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

🎨 Shader Gallery

{shader.username}'s Shader

🎨 Shader Gallery

{shader.username}'s Shader

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Mergeopen-townieintomain

Hindex.ts+4-4