pixi.js/lib/scene/graphics/shared/GraphicsContextSystem.mjs.map

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{"version":3,"file":"GraphicsContextSystem.mjs","sources":["../../../../src/scene/graphics/shared/GraphicsContextSystem.ts"],"sourcesContent":["import { ExtensionType } from '../../../extensions/Extensions';\nimport { getTextureBatchBindGroup } from '../../../rendering/batcher/gpu/getTextureBatchBindGroup';\nimport { type BatcherOptions } from '../../../rendering/batcher/shared/Batcher';\nimport { DefaultBatcher } from '../../../rendering/batcher/shared/DefaultBatcher';\nimport { InstructionSet } from '../../../rendering/renderers/shared/instructions/InstructionSet';\nimport { GCManagedHash } from '../../../utils/data/GCManagedHash';\nimport { deprecation, v8_3_4 } from '../../../utils/logging/deprecation';\nimport { BigPool } from '../../../utils/pool/PoolGroup';\nimport { type GPUData } from '../../view/ViewContainer';\nimport { buildContextBatches } from './utils/buildContextBatches';\n\nimport type { System } from '../../../rendering/renderers/shared/system/System';\nimport type { Renderer } from '../../../rendering/renderers/types';\nimport type { BatchableGraphics } from './BatchableGraphics';\nimport type { GraphicsContext } from './GraphicsContext';\n\ninterface GeometryData\n{\n    vertices: number[];\n    uvs: number[];\n    indices: number[];\n}\n\n/**\n * A class that holds batchable graphics data for a GraphicsContext.\n * @category rendering\n * @ignore\n */\nexport class GpuGraphicsContext implements GPUData\n{\n    public isBatchable: boolean;\n    public context: GraphicsContext;\n\n    public batches: BatchableGraphics[] = [];\n    public geometryData: GeometryData = {\n        vertices: [],\n        uvs: [],\n        indices: [],\n    };\n    public graphicsData: GraphicsContextRenderData;\n\n    public reset()\n    {\n        if (this.batches)\n        {\n            this.batches.forEach((batch) =>\n            {\n                BigPool.return(batch);\n            });\n        }\n        if (this.graphicsData)\n        {\n            BigPool.return(this.graphicsData);\n        }\n\n        this.isBatchable = false;\n        this.context = null;\n\n        this.batches.length = 0;\n        this.geometryData.indices.length = 0;\n        this.geometryData.vertices.length = 0;\n        this.geometryData.uvs.length = 0;\n\n        this.graphicsData = null;\n    }\n\n    public destroy()\n    {\n        this.reset();\n        this.batches = null;\n        this.geometryData = null;\n    }\n}\n\n/**\n * A class that holds the render data for a GraphicsContext.\n * @category rendering\n * @ignore\n */\nexport class GraphicsContextRenderData\n{\n    public batcher: DefaultBatcher;\n    public instructions = new InstructionSet();\n\n    public init(options: BatcherOptions)\n    {\n        const maxTextures = options.maxTextures;\n\n        this.batcher ? this.batcher._updateMaxTextures(maxTextures) : this.batcher = new DefaultBatcher({ maxTextures });\n        this.instructions.reset();\n    }\n\n    /**\n     * @deprecated since version 8.0.0\n     * Use `batcher.geometry` instead.\n     * @see {Batcher#geometry}\n     */\n    get geometry()\n    {\n        // #if _DEBUG\n        deprecation(v8_3_4, 'GraphicsContextRenderData#geometry is deprecated, please use batcher.geometry instead.');\n        // #endif\n\n        return this.batcher.geometry;\n    }\n\n    public destroy()\n    {\n        this.batcher.destroy();\n        this.instructions.destroy();\n\n        this.batcher = null;\n        this.instructions = null;\n    }\n}\n\n/**\n * Options for the GraphicsContextSystem.\n * @category rendering\n * @advanced\n */\nexport interface GraphicsContextSystemOptions\n{\n    /** A value from 0 to 1 that controls the smoothness of bezier curves (the higher the smoother) */\n    bezierSmoothness?: number;\n}\n\n/**\n * A system that manages the rendering of GraphicsContexts.\n * @category rendering\n * @advanced\n */\nexport class GraphicsContextSystem implements System<GraphicsContextSystemOptions>\n{\n    /** @ignore */\n    public static extension = {\n        type: [\n            ExtensionType.WebGLSystem,\n            ExtensionType.WebGPUSystem,\n            ExtensionType.CanvasSystem,\n        ],\n        name: 'graphicsContext'\n    } as const;\n\n    /** The default options for the GraphicsContextSystem. */\n    public static readonly defaultOptions: GraphicsContextSystemOptions = {\n        /**\n         * A value from 0 to 1 that controls the smoothness of bezier curves (the higher the smoother)\n         * @default 0.5\n         */\n        bezierSmoothness: 0.5,\n    };\n\n    private readonly _renderer: Renderer;\n    private readonly _managedContexts: GCManagedHash<GraphicsContext>;\n\n    constructor(renderer: Renderer)\n    {\n        this._renderer = renderer;\n        this._managedContexts = new GCManagedHash({ renderer, type: 'resource', name: 'graphicsContext' });\n    }\n\n    /**\n     * Runner init called, update the default options\n     * @ignore\n     */\n    public init(options?: GraphicsContextSystemOptions)\n    {\n        GraphicsContextSystem.defaultOptions.bezierSmoothness = options?.bezierSmoothness\n            ?? GraphicsContextSystem.defaultOptions.bezierSmoothness;\n    }\n\n    /**\n     * Returns the render data for a given GraphicsContext.\n     * @param context - The GraphicsContext to get the render data for.\n     * @internal\n     */\n    public getContextRenderData(context: GraphicsContext): GraphicsContextRenderData\n    {\n        return context._gpuData[this._renderer.uid].graphicsData || this._initContextRenderData(context);\n    }\n\n    /**\n     * Updates the GPU context for a given GraphicsContext.\n     * If the context is dirty, it will rebuild the batches and geometry data.\n     * @param context - The GraphicsContext to update.\n     * @returns The updated GpuGraphicsContext.\n     * @internal\n     */\n    public updateGpuContext(context: GraphicsContext)\n    {\n        const hasContext = !!context._gpuData[this._renderer.uid];\n        const gpuContext: GpuGraphicsContext = context._gpuData[this._renderer.uid] || this._initContext(context);\n\n        if (context.dirty || !hasContext)\n        {\n            if (hasContext)\n            {\n                gpuContext.reset();\n            }\n\n            buildContextBatches(context, gpuContext);\n\n            const batchMode = context.batchMode;\n\n            if (context.customShader || batchMode === 'no-batch')\n            {\n                gpuContext.isBatchable = false;\n            }\n            else if (batchMode === 'auto')\n            {\n                gpuContext.isBatchable = (gpuContext.geometryData.vertices.length < 400);\n            }\n            else\n            {\n                gpuContext.isBatchable = true;\n            }\n\n            context.dirty = false;\n        }\n\n        return gpuContext;\n    }\n\n    /**\n     * Returns the GpuGraphicsContext for a given GraphicsContext.\n     * If it does not exist, it will initialize a new one.\n     * @param context - The GraphicsContext to get the GpuGraphicsContext for.\n     * @returns The GpuGraphicsContext for the given GraphicsContext.\n     * @internal\n     */\n    public getGpuContext(context: GraphicsContext): GpuGraphicsContext\n    {\n        return context._gpuData[this._renderer.uid] || this._initContext(context);\n    }\n\n    private _initContextRenderData(context: GraphicsContext): GraphicsContextRenderData\n    {\n        const graphicsData: GraphicsContextRenderData = BigPool.get(GraphicsContextRenderData, {\n            maxTextures: this._renderer.limits.maxBatchableTextures,\n        });\n\n        const gpuContext = context._gpuData[this._renderer.uid];\n        const { batches, geometryData } = gpuContext;\n\n        gpuContext.graphicsData = graphicsData;\n\n        const vertexSize = geometryData.vertices.length;\n        const indexSize = geometryData.indices.length;\n\n        for (let i = 0; i < batches.length; i++)\n        {\n            batches[i].applyTransform = false;\n        }\n\n        const batcher = graphicsData.batcher;\n\n        // TODO we can pool buffers here eventually..\n        batcher.ensureAttributeBuffer(vertexSize);\n        batcher.ensureIndexBuffer(indexSize);\n\n        batcher.begin();\n\n        for (let i = 0; i < batches.length; i++)\n        {\n            const batch = batches[i];\n\n            batcher.add(batch);\n        }\n\n        batcher.finish(graphicsData.instructions);\n\n        const geometry = batcher.geometry;\n\n        // not to self - this works as we are assigning the batchers array buffer\n        // once its up loaded - this buffer is then put back in the pool to be reused.\n        // this mean we don't have to creating new Batchers for each graphics items\n        geometry.indexBuffer.setDataWithSize(batcher.indexBuffer, batcher.indexSize, true);\n        geometry.buffers[0].setDataWithSize(batcher.attributeBuffer.float32View, batcher.attributeSize, true);\n\n        const drawBatches = batcher.batches;\n\n        for (let i = 0; i < drawBatches.length; i++)\n        {\n            const batch = drawBatches[i];\n\n            batch.bindGroup = getTextureBatchBindGroup(\n                batch.textures.textures,\n                batch.textures.count,\n                this._renderer.limits.maxBatchableTextures\n            );\n        }\n\n        return graphicsData;\n    }\n\n    private _initContext(context: GraphicsContext): GpuGraphicsContext\n    {\n        const gpuContext = new GpuGraphicsContext();\n\n        gpuContext.context = context;\n\n        context._gpuData[this._renderer.uid] = gpuContext;\n\n        this._managedContexts.add(context);\n\n        return gpuContext;\n    }\n\n    public destroy()\n    {\n        this._managedContexts.destroy();\n        (this._renderer as null) = null;\n    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