{"record":{"id":"2648302536f0cc5b","repo":"pixijs/pixijs","slug":"rendertargetsystem-pop-no-previous-binding-to-r","errorCode":null,"errorMessage":"[RenderTargetSystem] pop: no previous binding to restore (unbalanced pop)","messagePattern":"\\[RenderTargetSystem\\] pop: no previous binding to restore \\(unbalanced pop\\)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/rendering/renderers/shared/renderTarget/RenderTargetSystem.ts","lineNumber":810,"sourceCode":"            flipY: options.flipY,\n        });\n\n        return renderTarget;\n    }\n\n    /**\n     * Pops the current render target and restores the previous binding.\n     * @returns the render target that was restored\n     */\n    public pop(): RenderTarget\n    {\n        this._renderTargetStack.pop();\n\n        const previous = this._renderTargetStack[this._renderTargetStack.length - 1];\n\n        if (!previous)\n        {\n            throw new Error('[RenderTargetSystem] pop: no previous binding to restore (unbalanced pop)');\n        }\n\n        return this.bind(previous);\n    }\n\n    /**\n     * Gets the render target from the provide render surface. Eg if its a texture,\n     * it will return the render target for the texture.\n     * If its a render target, it will return the same render target.\n     * @param renderSurface - the render surface to get the render target for\n     * @returns the render target for the render surface\n     */\n    public getRenderTarget(renderSurface: RenderSurface): RenderTarget\n    {\n        if (((renderSurface as Texture).isTexture))\n        {\n            renderSurface = (renderSurface as Texture).source;\n        }","sourceCodeStart":792,"sourceCodeEnd":828,"githubUrl":"https://github.com/pixijs/pixijs/blob/4b141e3ced7255b39c2114b6bca03421a37b2363/src/rendering/renderers/shared/renderTarget/RenderTargetSystem.ts#L792-L828","documentation":"Thrown by RenderTargetSystem.pop() when, after popping the current binding, the stack is empty — meaning pop was called more times than bind/push. The system must always be able to restore a previous binding; an unbalanced pop indicates a mismatched push/pop pair in render flow.","triggerScenarios":"Calling renderTargetSystem.pop() without a preceding push/bind, or calling pop() twice for a single push(). Often surfaces in custom render passes or filters that manage their own target stack.","commonSituations":"Early-return paths that skip a push but still execute pop; exception handling that unwinds past a pop; copy-pasting render-pass code that omits the matching push.","solutions":["Ensure every pop() corresponds to exactly one prior push()/bind() in the same scope — use try/finally to guarantee pop runs once per push.","Track push/pop depth in a wrapper or assertion in dev builds to catch imbalance early.","Avoid calling pop() in error/early-exit branches unless the matching push already ran."],"exampleFix":"// before\nrenderTargetSystem.push(surface);\ndoWork();\nif (error) return; // skips pop -> later pop throws\nrenderTargetSystem.pop();\n// after\nrenderTargetSystem.push(surface);\ntry { doWork(); }\nfinally { renderTargetSystem.pop(); }","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"renderTargetSystem.push(surface);\ntry { doWork(); }\nfinally { if (renderTargetSystem.renderTarget) renderTargetSystem.pop(); }","preventionTips":["Always wrap push/pop in try/finally so pop runs exactly once per push.","Add dev-mode assertions tracking stack depth to detect imbalance early."],"tags":["render-target","stack","lifecycle","push-pop"],"backgroundTag":null,"analyzedSha":"4b141e3ced7255b39c2114b6bca03421a37b2363","analyzedAt":"2026-08-12T17:27:29.507Z","schemaVersion":2},"datasetVersion":"2026-08-12T18:17:37.767Z"}