andras/fleeting-garden
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Add resizing

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This commit is contained in:
Andras Schmelczer 2023-05-01 18:12:25 +01:00
commit 058d6014b7
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GPG key ID: FC8F2C3D3D1A718C
18 changed files with 254 additions and 138 deletions
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6
src/pipelines/diffusion/diffuse.wgsl
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@ -40,9 +40,9 @@ fn fragment(@location(0) uv: vec2<f32>) -> @location(0) vec4<f32> {
current += change / 4;
let decayed = vec4(
current.rgb,
current.a
) - vec4(vec3(settings.decayRateTrails), settings.decayRateBrush) * state.deltaTime;
current.rgb * settings.decayRateTrails,
current.a * settings.decayRateBrush
);
return clamp(decayed, vec4(0), vec4(1));
}

8
src/pipelines/diffusion/diffusion-pipeline.ts
View file

@ -10,7 +10,7 @@ export class DiffusionPipeline {
private readonly bindGroupLayout: GPUBindGroupLayout;
private readonly pipeline: GPURenderPipeline;
private readonly uniforms: GPUBuffer;
private readonly quadVertexBuffer: GPUBuffer;
private readonly vertexBuffer: GPUBuffer;
private readonly noise: GPUTextureView;
private bindGroup?: GPUBindGroup;
@ -25,7 +25,7 @@ export class DiffusionPipeline {
);
const { buffer, vertex } = setUpFullScreenQuad(device);
this.quadVertexBuffer = buffer;
this.vertexBuffer = buffer;
this.pipeline = device.createRenderPipeline({
layout: device.createPipelineLayout({
@ -90,7 +90,7 @@ export class DiffusionPipeline {
const passEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
passEncoder.setPipeline(this.pipeline);
passEncoder.setVertexBuffer(0, this.quadVertexBuffer);
passEncoder.setVertexBuffer(0, this.vertexBuffer);
this.commonState.execute(passEncoder);
passEncoder.setBindGroup(1, this.bindGroup);
passEncoder.draw(4, 1);
@ -127,7 +127,7 @@ export class DiffusionPipeline {
}
public destroy() {
this.quadVertexBuffer.destroy();
this.vertexBuffer.destroy();
this.uniforms.destroy();
}