{"record":{"id":"b06a90a5fa70504b","repo":"remotion-dev/remotion","slug":"failed-to-create-webgl-program-b06a90","errorCode":null,"errorMessage":"Failed to create WebGL program","messagePattern":"Failed to create WebGL program","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/effects/src/vignette.ts","lineNumber":290,"sourceCode":"\tgl.shaderSource(shader, source);\n\tgl.compileShader(shader);\n\tif (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {\n\t\tconst log = gl.getShaderInfoLog(shader);\n\t\tgl.deleteShader(shader);\n\t\tthrow new Error(`Vignette shader compile failed: ${log ?? '(no log)'}`);\n\t}\n\n\treturn shader;\n};\n\nconst linkProgram = (\n\tgl: WebGL2RenderingContext,\n\tvs: WebGLShader,\n\tfs: WebGLShader,\n): WebGLProgram => {\n\tconst program = gl.createProgram();\n\tif (!program) {\n\t\tthrow new Error('Failed to create WebGL program');\n\t}\n\n\tgl.attachShader(program, vs);\n\tgl.attachShader(program, fs);\n\tgl.linkProgram(program);\n\tif (!gl.getProgramParameter(program, gl.LINK_STATUS)) {\n\t\tconst log = gl.getProgramInfoLog(program);\n\t\tgl.deleteProgram(program);\n\t\tthrow new Error(`Vignette program link failed: ${log ?? '(no log)'}`);\n\t}\n\n\treturn program;\n};\n\nconst createProgram = (\n\tgl: WebGL2RenderingContext,\n\tvertexSource: string,\n\tfragmentSource: string,","sourceCodeStart":272,"sourceCodeEnd":308,"githubUrl":"https://github.com/remotion-dev/remotion/blob/78fe4bb3fdb5a2cd68724393d63cb223db333fa7/packages/effects/src/vignette.ts#L272-L308","documentation":"Thrown by vignette's linkProgram when gl.createProgram() returns null. A null program object means WebGL refused the allocation on context loss or object-limit exhaustion. Vignette links its compiled shaders into this program, so it cannot continue without one.","triggerScenarios":"createProgram calls linkProgram after both shaders compile; gl.createProgram() returns null because the context is lost or the program-object budget is reached.","commonSituations":"Context loss with many concurrent effects; driver/GPU object caps; headless Chrome under memory pressure.","solutions":["Reload to reset the WebGL2 context.","Lower concurrent WebGL effect count.","Confirm hardware-accelerated WebGL2 and update drivers.","Free effects on offscreen/unmounted sequences."],"exampleFix":"// before\nconst effect = vignette({amount: 0.6});\n\n// after\nconst effect = (() => {\n  try { return vignette({amount: 0.6}); } catch { return null; }\n})();","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"let effect = null;\ntry {\n  effect = vignette({amount: 0.6});\n} catch (err) {\n  console.warn('vignette program alloc failed, skipping effect', err);\n}","preventionTips":["Dispose offscreen WebGL effects to free program objects.","Handle 'webglcontextlost'/'webglcontextrestored' and re-create effects.","Limit concurrent effects to avoid program-object caps.","Render on hardware with adequate GL resources."],"tags":["webgl2","gpu-memory","context-loss","vignette"],"backgroundTag":null,"analyzedSha":"78fe4bb3fdb5a2cd68724393d63cb223db333fa7","analyzedAt":"2026-08-12T17:18:50.444Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}