pixi.js/lib/rendering/renderers/gpu/GpuUniformBatchPipe.mjs.map

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{"version":3,"file":"GpuUniformBatchPipe.mjs","sources":["../../../../src/rendering/renderers/gpu/GpuUniformBatchPipe.ts"],"sourcesContent":["import { ExtensionType } from '../../../extensions/Extensions';\nimport { Buffer } from '../shared/buffer/Buffer';\nimport { BufferResource } from '../shared/buffer/BufferResource';\nimport { BufferUsage } from '../shared/buffer/const';\nimport { UboBatch } from './buffer/UboBatch';\nimport { BindGroup } from './shader/BindGroup';\n\nimport type { UniformGroup } from '../shared/shader/UniformGroup';\nimport type { WebGPURenderer } from './WebGPURenderer';\n\nconst minUniformOffsetAlignment = 128;// 256 / 2;\n\n/** @internal */\nexport class GpuUniformBatchPipe\n{\n    /** @ignore */\n    public static extension = {\n        type: [\n            ExtensionType.WebGPUPipes,\n        ],\n        name: 'uniformBatch',\n    } as const;\n\n    private _renderer: WebGPURenderer;\n\n    private _bindGroupHash: Record<number, BindGroup> = Object.create(null);\n    private readonly _batchBuffer: UboBatch;\n\n    // number of buffers..\n    private _buffers: Buffer[] = [];\n\n    private _bindGroups: BindGroup[] = [];\n    private _bufferResources: BufferResource[] = [];\n\n    constructor(renderer: WebGPURenderer)\n    {\n        this._renderer = renderer;\n\n        this._batchBuffer = new UboBatch({ minUniformOffsetAlignment });\n\n        const totalBuffers = (256 / minUniformOffsetAlignment);\n\n        for (let i = 0; i < totalBuffers; i++)\n        {\n            let usage = BufferUsage.UNIFORM | BufferUsage.COPY_DST;\n\n            if (i === 0) usage |= BufferUsage.COPY_SRC;\n\n            this._buffers.push(new Buffer({\n                data: this._batchBuffer.data,\n                usage\n            }));\n        }\n    }\n\n    public renderEnd()\n    {\n        this._uploadBindGroups();\n        this._resetBindGroups();\n    }\n\n    private _resetBindGroups()\n    {\n        this._bindGroupHash = Object.create(null);\n        this._batchBuffer.clear();\n    }\n\n    // just works for single bind groups for now\n    public getUniformBindGroup(group: UniformGroup<any>, duplicate: boolean): BindGroup\n    {\n        if (!duplicate && this._bindGroupHash[group.uid])\n        {\n            return this._bindGroupHash[group.uid];\n        }\n\n        this._renderer.ubo.ensureUniformGroup(group);\n\n        const data = group.buffer.data as Float32Array;\n\n        const offset = this._batchBuffer.addEmptyGroup(data.length);\n\n        this._renderer.ubo.syncUniformGroup(group, this._batchBuffer.data, offset / 4);\n\n        this._bindGroupHash[group.uid] = this._getBindGroup(offset / minUniformOffsetAlignment);\n\n        return this._bindGroupHash[group.uid];\n    }\n\n    public getUboResource(group: UniformGroup<any>): BufferResource\n    {\n        this._renderer.ubo.updateUniformGroup(group);\n\n        const data = group.buffer.data as Float32Array;\n\n        const offset = this._batchBuffer.addGroup(data);\n\n        return this._getBufferResource(offset / minUniformOffsetAlignment);\n    }\n\n    public getArrayBindGroup(data: Float32Array): BindGroup\n    {\n        const offset = this._batchBuffer.addGroup(data);\n\n        return this._getBindGroup(offset / minUniformOffsetAlignment);\n    }\n\n    public getArrayBufferResource(data: Float32Array): BufferResource\n    {\n        const offset = this._batchBuffer.addGroup(data);\n\n        const index = offset / minUniformOffsetAlignment;\n\n        return this._getBufferResource(index);\n    }\n\n    private _getBufferResource(index: number): BufferResource\n    {\n        if (!this._bufferResources[index])\n        {\n            const buffer = this._buffers[index % 2];\n\n            this._bufferResources[index] = new BufferResource({\n                buffer,\n                offset: ((index / 2) | 0) * 256,\n                size: minUniformOffsetAlignment\n            });\n        }\n\n        return this._bufferResources[index];\n    }\n\n    private _getBindGroup(index: number): BindGroup\n    {\n        if (!this._bindGroups[index])\n        {\n            // even!\n            const bindGroup = new BindGroup({\n                0: this._getBufferResource(index),\n            });\n\n            this._bindGroups[index] = bindGroup;\n        }\n\n        return this._bindGroups[index];\n    }\n\n    private _uploadBindGroups()\n    {\n        const bufferSystem = this._renderer.buffer;\n\n        const firstBuffer = this._buffers[0];\n\n        firstBuffer.update(this._batchBuffer.byteIndex);\n\n        bufferSystem.updateBuffer(firstBuffer);\n\n        const commandEncoder = this._renderer.gpu.device.createCommandEncoder();\n\n        for (let i = 1; i < this._buffers.length; i++)\n        {\n            const buffer = this._buffers[i];\n\n            commandEncoder.copyBufferToBuffer(\n                bufferSystem.getGPUBuffer(firstBuffer),\n                minUniformOffsetAlignment,\n                bufferSystem.getGPUBuffer(buffer),\n                0,\n                this._batchBuffer.byteIndex\n            );\n        }\n\n        // TODO make a system that will que up all commands in to one array?\n        this._renderer.gpu.device.queue.submit([commandEncoder.finish()]);\n    }\n\n    public destroy()\n    {\n        for (let i = 0; i < this._bindGroups.length; i++)\n        {\n            this._bindGroups[i]?.destroy();\n        }\n\n        this._bindGroups = null;\n        this._bindGroupHash = null;\n\n        for (let i = 0; i < this._buffers.length; i++)\n        {\n            this._buffers[i].destroy();\n        }\n        this._buffers = null;\n\n        for (let i = 0; i < this._bufferResources.length; i++)\n        {\n            this._bufferResources[i].destroy();\n        }\n\n        this._bufferResources = null;\n\n        this._batchBuffer.destroy();\n\n        this._renderer = null;\n    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