first commit

passes/RowFFTPass.js

@@ -0,0 +1,50 @@
+import { RenderPass }	from "/framework/RenderPass.js";
+
+import Shader			from "/framework/WebGpu.js";
+
+
+export class RowFFTPass extends RenderPass {
+
+	async create( ) {
+
+		this.shader				= new Shader( this.device );
+
+		await this.shader.setup( "shaders/fft_row.wgsl" );
+
+		const oceanBlock		= this.pipeline.getBlockByName( "ocean" );
+
+		const spectrumPass		= oceanBlock.getPass( "Spectrum" );
+
+		const spectrumReal		= spectrumPass.shader.getBuffer( "spectrumReal" );
+
+		const spectrumImag		= spectrumPass.shader.getBuffer( "spectrumImag" );
+
+		await this.shader.setBuffer( "inputReal", spectrumReal );
+
+		await this.shader.setBuffer( "inputImag", spectrumImag );
+
+		this.shader.setVariable( "outputReal", this.pipeline.memory.rowReal );
+
+		this.shader.setVariable( "outputImag", this.pipeline.memory.rowImag );
+
+		this.shader.setVariable( "params", this.pipeline.memory.computeParams );
+
+	}
+
+
+	bindBuffers( ) {
+
+		this.shader.setVariable( "params", this.pipeline.memory.computeParams );
+
+	}
+
+
+	async execute( ) {
+
+		const groups				= this.pipeline.gridSize;
+
+		await this.shader.execute( groups, 1, 1 );
+
+	}
+
+}