{"record":{"id":"54bf6a0f12c6496d","repo":"remotion-dev/remotion","slug":"failed-to-create-webgl-texture-54bf6a","errorCode":null,"errorMessage":"Failed to create WebGL texture","messagePattern":"Failed to create WebGL texture","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"critical","filePath":"packages/effects/src/blur/blur-runtime.ts","lineNumber":99,"sourceCode":"\tconst program = linkProgram(gl, vs, fs);\n\tgl.deleteShader(vs);\n\tgl.deleteShader(fs);\n\treturn program;\n};\n\nconst getBlurUniforms = (\n\tgl: WebGL2RenderingContext,\n\tprogram: WebGLProgram,\n): BlurState['horizontal'] => ({\n\tuRadius: gl.getUniformLocation(program, 'uRadius'),\n\tuTexelSize: gl.getUniformLocation(program, 'uTexelSize'),\n\tuSource: gl.getUniformLocation(program, 'uSource'),\n});\n\nconst createRgbaTexture = (gl: WebGL2RenderingContext): WebGLTexture => {\n\tconst texture = gl.createTexture();\n\tif (!texture) {\n\t\tthrow new Error('Failed to create WebGL texture');\n\t}\n\n\tgl.bindTexture(gl.TEXTURE_2D, texture);\n\tgl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);\n\tgl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);\n\tgl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n\tgl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n\tgl.bindTexture(gl.TEXTURE_2D, null);\n\treturn texture;\n};\n\nexport const setupBlur = (target: HTMLCanvasElement): BlurState => {\n\tconst gl = target.getContext('webgl2', {\n\t\tpremultipliedAlpha: true,\n\t\talpha: true,\n\t\tpreserveDrawingBuffer: true,\n\t});\n\tif (!gl) {","sourceCodeStart":81,"sourceCodeEnd":117,"githubUrl":"https://github.com/remotion-dev/remotion/blob/78fe4bb3fdb5a2cd68724393d63cb223db333fa7/packages/effects/src/blur/blur-runtime.ts#L81-L117","documentation":"Thrown by `createRgbaTexture` in the blur runtime when `gl.createTexture()` returns `null`. Blur needs two RGBA textures (source + intermediate), so texture exhaustion is more likely than single-texture effects. A null handle is an environmental/resource failure.","triggerScenarios":"Fires at line 98-99 from `setupBlur` -> `createRgbaTexture(gl)`, called twice (textureSource and textureIntermediate).","commonSituations":"Many live blur effects holding intermediate textures; large frame dimensions inflating texture memory; context loss; constrained software renderer.","solutions":["Call `cleanupBlur` to release textures when a blur effect is no longer needed.","Reduce concurrently active blur effects or lower frame resolution.","Check `gl.isContextLost()` and reinitialize on restore.","Verify hardware-accelerated WebGL2 and update drivers."],"exampleFix":"// before: leak states\nsetupBlur(canvas);\n\n// after: clean up\ncleanupBlur(state);","handlingStrategy":"try-catch","validationCode":"if (gl.isContextLost()) { /* skip setupBlur */ }","typeGuard":null,"tryCatchPattern":"try {\n  const state = setupBlur(canvas);\n} catch (err) {\n  if (/Failed to create WebGL texture/.test(err.message)) {\n    // reduce effects or await restore, then retry\n  } else { throw err; }\n}","preventionTips":["Call cleanupBlur to release both blur textures when done.","Handle webglcontextlost/restored.","Lower frame resolution or reduce concurrent blur effects."],"tags":["webgl2","texture","blur","gpu-memory","resource-exhaustion"],"backgroundTag":null,"analyzedSha":"78fe4bb3fdb5a2cd68724393d63cb223db333fa7","analyzedAt":"2026-08-12T17:18:50.444Z","schemaVersion":2},"datasetVersion":"2026-08-12T18:17:37.767Z"}