46 lines
798 B
JavaScript
46 lines
798 B
JavaScript
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import WebGPUBinding from './WebGPUBinding.js';
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import { getFloatLength } from './WebGPUBufferUtils.js';
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import { GPUBindingType } from './constants.js';
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class WebGPUUniformBuffer extends WebGPUBinding {
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constructor( name, buffer = null ) {
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super( name );
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this.bytesPerElement = Float32Array.BYTES_PER_ELEMENT;
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this.type = GPUBindingType.UniformBuffer;
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this.visibility = GPUShaderStage.VERTEX;
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this.usage = GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST;
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this.buffer = buffer;
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this.bufferGPU = null; // set by the renderer
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}
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getByteLength() {
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return getFloatLength( this.buffer.byteLength );
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}
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getBuffer() {
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return this.buffer;
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}
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update() {
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return true;
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}
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}
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WebGPUUniformBuffer.prototype.isUniformBuffer = true;
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export default WebGPUUniformBuffer;
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