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{"version":3,"file":"RenderGroupSystem.mjs","sources":["../../../src/scene/container/RenderGroupSystem.ts"],"sourcesContent":["import { ExtensionType } from '../../extensions/Extensions';\nimport { Matrix } from '../../maths/matrix/Matrix';\nimport { buildInstructions } from './utils/buildInstructions';\nimport { clearList } from './utils/clearList';\nimport { collectRenderGroups } from './utils/collectRenderGroups';\nimport { executeInstructions } from './utils/executeInstructions';\nimport { updateRenderGroupTransforms } from './utils/updateRenderGroupTransforms';\nimport { validateRenderables } from './utils/validateRenderables';\n\nimport type { WebGPURenderer } from '../../rendering/renderers/gpu/WebGPURenderer';\nimport type { System } from '../../rendering/renderers/shared/system/System';\nimport type { Renderer } from '../../rendering/renderers/types';\nimport type { Container } from './Container';\nimport type { RenderGroup } from './RenderGroup';\n\nconst tempMatrix = new Matrix();\n\n/**\n * The view system manages the main canvas that is attached to the DOM.\n * This main role is to deal with how the holding the view reference and dealing with how it is resized.\n * @memberof rendering\n */\nexport class RenderGroupSystem implements System\n{\n /** @ignore */\n public static extension = {\n type: [\n ExtensionType.WebGLSystem,\n ExtensionType.WebGPUSystem,\n ExtensionType.CanvasSystem,\n ],\n name: 'renderGroup',\n } as const;\n\n private readonly _renderer: Renderer;\n\n constructor(renderer: Renderer)\n {\n this._renderer = renderer;\n }\n\n protected render({ container, transform }: {container: Container, transform: Matrix}): void\n {\n container.isRenderGroup = true;\n\n const parent = container.parent;\n const renderGroupParent = container.renderGroup.renderGroupParent;\n\n container.parent = null;\n container.renderGroup.renderGroupParent = null;\n\n const renderer = this._renderer;\n\n // collect all the renderGroups in the scene and then render them one by one..\n const renderGroups = collectRenderGroups(container.renderGroup, []);\n\n let originalLocalTransform: Matrix = tempMatrix;\n\n if (transform)\n {\n originalLocalTransform = originalLocalTransform.copyFrom(container.renderGroup.localTransform);\n container.renderGroup.localTransform.copyFrom(transform);\n }\n\n const renderPipes = (renderer as WebGPURenderer).renderPipes;\n\n for (let i = 0; i < renderGroups.length; i++)\n {\n const renderGroup = renderGroups[i];\n\n renderGroup.runOnRender();\n\n renderGroup.instructionSet.renderPipes = renderPipes;\n\n if (!renderGroup.structureDidChange)\n {\n // phase 1 - validate all the renderables\n validateRenderables(renderGroup, renderPipes);\n }\n else\n {\n clearList(renderGroup.childrenRenderablesToUpdate.list, 0);\n }\n\n // phase 2 - update all the transforms\n // including updating the renderables..\n updateRenderGroupTransforms(renderGroup);\n\n if (renderGroup.structureDidChange)\n {\n renderGroup.structureDidChange = false;\n\n // build the renderables\n buildInstructions(renderGroup, renderer);\n }\n else\n {\n // update remaining renderables\n updateRenderables(renderGroup);\n }\n\n // reset the renderables to update\n renderGroup.childrenRenderablesToUpdate.index = 0;\n\n // upload all the things!\n renderer.renderPipes.batch.upload(renderGroup.instructionSet);\n }\n\n renderer.globalUniforms.start({\n worldTransformMatrix: transform ? 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