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{"version":3,"file":"Prepare.mjs","sources":["../src/Prepare.ts"],"sourcesContent":["import { BaseTexture, extensions, ExtensionType } from '@pixi/core';\nimport { Graphics } from '@pixi/graphics';\nimport { BasePrepare } from './BasePrepare';\n\nimport type { ExtensionMetadata, IRenderer, ISystem, Renderer } from '@pixi/core';\nimport type { IDisplayObjectExtended } from './BasePrepare';\n\n/**\n * Built-in hook to upload PIXI.Texture objects to the GPU.\n * @private\n * @param renderer - instance of the webgl renderer\n * @param item - Item to check\n * @returns If item was uploaded.\n */\nfunction uploadBaseTextures(renderer: IRenderer | BasePrepare, item: IDisplayObjectExtended | BaseTexture): boolean\n{\n if (item instanceof BaseTexture)\n {\n // if the texture already has a GL texture, then the texture has been prepared or rendered\n // before now. If the texture changed, then the changer should be calling texture.update() which\n // reuploads the texture without need for preparing it again\n if (!item._glTextures[(renderer as Renderer).CONTEXT_UID])\n {\n (renderer as Renderer).texture.bind(item);\n }\n\n return true;\n }\n\n return false;\n}\n\n/**\n * Built-in hook to upload PIXI.Graphics to the GPU.\n * @private\n * @param renderer - instance of the webgl renderer\n * @param item - Item to check\n * @returns If item was uploaded.\n */\nfunction uploadGraphics(renderer: IRenderer | BasePrepare, item: IDisplayObjectExtended): boolean\n{\n if (!(item instanceof Graphics))\n {\n return false;\n }\n\n const { geometry } = item;\n\n // update dirty graphics to get batches\n item.finishPoly();\n geometry.updateBatches();\n\n const { batches } = geometry;\n\n // upload all textures found in styles\n for (let i = 0; i < batches.length; i++)\n {\n const { texture } = batches[i].style;\n\n if (texture)\n {\n uploadBaseTextures(renderer, texture.baseTexture);\n }\n }\n\n // if its not batchable - update vao for particular shader\n if (!geometry.batchable)\n {\n (renderer as Renderer).geometry.bind(geometry, (item as any)._resolveDirectShader((renderer as Renderer)));\n }\n\n return true;\n}\n\n/**\n * Built-in hook to find graphics.\n * @private\n * @param item - Display object to check\n * @param queue - Collection of items to upload\n * @returns if a PIXI.Graphics object was found.\n */\nfunction findGraphics(item: IDisplayObjectExtended, queue: Array<any>): boolean\n{\n if (item instanceof Graphics)\n {\n queue.push(item);\n\n return true;\n }\n\n return false;\n}\n\n/**\n * The prepare plugin provides renderer-specific plugins for pre-rendering DisplayObjects. These plugins are useful for\n * asynchronously preparing and uploading to the GPU assets, textures, graphics waiting to be displayed.\n *\n * Do not instantiate this plugin directly. It is available from the `renderer.prepare` property.\n * @example\n * import { Application, Graphics } from 'pixi.js';\n *\n * // Create a new application (prepare will be auto-added to renderer)\n * const app = new Application();\n * document.body.appendChild(app.view);\n *\n * // Don't start rendering right away\n * app.stop();\n *\n * // Create a display object\n * const rect = new Graphics()\n * .beginFill(0x00ff00)\n * .drawRect(40, 40, 200, 200);\n *\n * // Add to the stage\n * app.stage.addChild(rect);\n *\n * // Don't start rendering until the graphic is uploaded to the GPU\n * app.renderer.prepare.upload(app.stage, () => {\n * app.start();\n * });\n * @memberof PIXI\n */\nexport class Prepare extends BasePrepare implements ISystem\n{\n /** @ignore */\n static extension: ExtensionMetadata = {\n name: 'prepare',\n type: ExtensionType.RendererSystem,\n };\n\n /**\n * @param {PIXI.Renderer} renderer - A reference to the current renderer\n */\n constructor(renderer: Renderer)\n {\n super(renderer);\n\n this.upload
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