pixi.js/lib/rendering/mask/stencil/StencilMaskPipe.mjs.map

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{"version":3,"file":"StencilMaskPipe.mjs","sources":["../../../../src/rendering/mask/stencil/StencilMaskPipe.ts"],"sourcesContent":["import { ExtensionType } from '../../../extensions/Extensions';\nimport { CLEAR } from '../../renderers/gl/const';\nimport { STENCIL_MODES } from '../../renderers/shared/state/const';\n\nimport type { Container } from '../../../scene/container/Container';\nimport type { Effect } from '../../../scene/container/Effect';\nimport type { WebGLRenderer } from '../../renderers/gl/WebGLRenderer';\nimport type { WebGPURenderer } from '../../renderers/gpu/WebGPURenderer';\nimport type { InstructionSet } from '../../renderers/shared/instructions/InstructionSet';\nimport type { InstructionPipe } from '../../renderers/shared/instructions/RenderPipe';\nimport type { Renderable } from '../../renderers/shared/Renderable';\nimport type { Renderer } from '../../renderers/types';\nimport type { StencilMask } from './StencilMask';\nimport type { StencilMaskInstruction } from './StencilMaskTypes';\n\n/** @internal */\nexport class StencilMaskPipe implements InstructionPipe<StencilMaskInstruction>\n{\n    public static extension = {\n        type: [\n            ExtensionType.WebGLPipes,\n            ExtensionType.WebGPUPipes,\n        ],\n        name: 'stencilMask',\n    } as const;\n\n    private _renderer: Renderer;\n\n    // used when building and also when executing..\n    private _maskStackHash: Record<number, number> = {};\n\n    private _maskHash = new WeakMap<StencilMask, {\n        instructionsStart: number,\n        instructionsLength: number,\n    }>();\n\n    constructor(renderer: Renderer)\n    {\n        this._renderer = renderer;\n    }\n\n    public push(mask: Effect, _container: Container, instructionSet: InstructionSet): void\n    {\n        const effect = mask as StencilMask;\n\n        const renderer = this._renderer;\n\n        renderer.renderPipes.batch.break(instructionSet);\n\n        renderer.renderPipes.blendMode.setBlendMode(effect.mask as Renderable, 'none', instructionSet);\n\n        instructionSet.add({\n            renderPipeId: 'stencilMask',\n            action: 'pushMaskBegin',\n            mask,\n            inverse: _container._maskOptions.inverse,\n            canBundle: false,\n        } as StencilMaskInstruction);\n\n        const maskContainer = effect.mask;\n\n        maskContainer.includeInBuild = true;\n\n        if (!this._maskHash.has(effect))\n        {\n            this._maskHash.set(effect, {\n                instructionsStart: 0,\n                instructionsLength: 0,\n            });\n        }\n\n        const maskData = this._maskHash.get(effect);\n\n        maskData.instructionsStart = instructionSet.instructionSize;\n\n        maskContainer.collectRenderables(\n            instructionSet,\n            renderer,\n            null\n        );\n\n        maskContainer.includeInBuild = false;\n\n        renderer.renderPipes.batch.break(instructionSet);\n\n        instructionSet.add({\n            renderPipeId: 'stencilMask',\n            action: 'pushMaskEnd',\n            mask,\n            inverse: _container._maskOptions.inverse,\n            canBundle: false,\n        } as StencilMaskInstruction);\n\n        const instructionsLength = instructionSet.instructionSize - maskData.instructionsStart - 1;\n\n        maskData.instructionsLength = instructionsLength;\n\n        const renderTargetUid = renderer.renderTarget.renderTarget.uid;\n\n        this._maskStackHash[renderTargetUid] ??= 0;\n    }\n\n    public pop(mask: Effect, _container: Container, instructionSet: InstructionSet): void\n    {\n        const effect = mask as StencilMask;\n\n        const renderer = this._renderer;\n\n        // stencil is stored based on current render target..\n        renderer.renderPipes.batch.break(instructionSet);\n        renderer.renderPipes.blendMode.setBlendMode(effect.mask as Renderable, 'none', instructionSet);\n\n        instructionSet.add({\n            renderPipeId: 'stencilMask',\n            action: 'popMaskBegin',\n            inverse: _container._maskOptions.inverse,\n            canBundle: false,\n        } as StencilMaskInstruction);\n\n        const maskData = this._maskHash.get(mask as StencilMask);\n\n        for (let i = 0; i < maskData.instructionsLength; i++)\n        {\n            // eslint-disable-next-line max-len\n            instructionSet.instructions[instructionSet.instructionSize++] = instructionSet.instructions[maskData.instructionsStart++];\n        }\n\n        instructionSet.add({\n            renderPipeId: 'stencilMask',\n            action: 'popMaskEnd',\n            canBundle: false,\n        });\n    }\n\n    public execute(instruction: StencilMaskInstruction)\n    {\n        const renderer = this._renderer;\n\n        const gpuRenderer = renderer as WebGLRenderer | WebGPURenderer;\n        const renderTargetUid = renderer.renderTarget.renderTarget.uid;\n\n        let maskStackIndex = this._maskStackHash[renderTargetUid] ??= 0;\n\n        if (instruction.action === 'pushMaskBegin')\n        {\n            // we create the depth and stencil buffers JIT\n            // as no point allocating the memory if we don't use it\n            gpuRenderer.renderTarget.ensureDepthStencil();\n\n            gpuRenderer.stencil.setStencilMode(STENCIL_MODES.RENDERING_MASK_ADD, maskStackIndex);\n\n            maskStackIndex++;\n\n            gpuRenderer.colorMask.setMask(0);\n        }\n        else if (instruction.action === 'pushMaskEnd')\n        {\n            if (instruction.inverse)\n            {\n                gpuRenderer.stencil.setStencilMode(STENCIL_MODES.INVERSE_MASK_ACTIVE, maskStackIndex);\n            }\n            else\n            {\n                gpuRenderer.stencil.setStencilMode(STENCIL_MODES.MASK_ACTIVE, maskStackIndex);\n            }\n\n            gpuRenderer.colorMask.setMask(0xF);\n        }\n        else if (instruction.action === 'popMaskBegin')\n        {\n            gpuRenderer.colorMask.setMask(0);\n\n            if (maskStackIndex !== 0)\n            {\n                gpuRenderer.stencil.setStencilMode(STENCIL_MODES.RENDERING_MASK_REMOVE, maskStackIndex);\n            }\n            else\n            {\n                gpuRenderer.renderTarget.clear(null, CLEAR.STENCIL);\n                gpuRenderer.stencil.setStencilMode(STENCIL_MODES.DISABLED, maskStackIndex);\n            }\n\n            maskStackIndex--;\n        }\n        else if (instruction.action === 'popMaskEnd')\n        {\n            if (instruction.inverse)\n            {\n                gpuRenderer.stencil.setStencilMode(STENCIL_MODES.INVERSE_MASK_ACTIVE, maskStackIndex);\n            }\n            else\n            {\n                gpuRenderer.stencil.setStencilMode(STENCIL_MODES.MASK_ACTIVE, maskStackIndex);\n            }\n\n            gpuRenderer.colorMask.setMask(0xF);\n        }\n\n        this._maskStackHash[renderTargetUid] = maskStackIndex;\n    }\n\n    public destroy()\n    {\n        this._renderer = null;\n        this._maskStackHash = null;\n        this._maskHash = null;\n    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