40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
import { ExtensionType } from '../../../../extensions/Extensions.mjs';
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"use strict";
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class GpuShaderSystem {
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constructor() {
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this._gpuProgramData = /* @__PURE__ */ Object.create(null);
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}
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contextChange(gpu) {
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this._gpu = gpu;
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this.maxTextures = gpu.device.limits.maxSampledTexturesPerShaderStage;
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}
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getProgramData(program) {
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return this._gpuProgramData[program._layoutKey] || this._createGPUProgramData(program);
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}
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_createGPUProgramData(program) {
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const device = this._gpu.device;
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const bindGroups = program.gpuLayout.map((group) => device.createBindGroupLayout({ entries: group }));
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const pipelineLayoutDesc = { bindGroupLayouts: bindGroups };
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this._gpuProgramData[program._layoutKey] = {
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bindGroups,
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pipeline: device.createPipelineLayout(pipelineLayoutDesc)
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};
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return this._gpuProgramData[program._layoutKey];
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}
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destroy() {
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this._gpu = null;
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this._gpuProgramData = null;
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}
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}
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/** @ignore */
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GpuShaderSystem.extension = {
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type: [
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ExtensionType.WebGPUSystem
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],
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name: "shader"
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};
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export { GpuShaderSystem };
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//# sourceMappingURL=GpuShaderSystem.mjs.map
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