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Rewrote the WebGPU bloom pass based on the classic Unreal solution of blurring and combining the levels of an image pyramid. Fixed the regl bloom pass to use the downscaled blurred mipmap levels to build the first pyramid.

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Rezmason
2021-11-14 22:01:56 -08:00
parent f907c1c91b
commit b0a4acdfdb
8 changed files with 170 additions and 78 deletions
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2
js/regl/bloomPass.js
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@@ -103,7 +103,7 @@ export default ({ regl, config }, inputs) => {
const highPassFBO = highPassPyramid[i];
const hBlurFBO = hBlurPyramid[i];
const vBlurFBO = vBlurPyramid[i];
highPass({ fbo: highPassFBO, frag: highPassFrag.text(), tex: inputs.primary });
highPass({ fbo: highPassFBO, frag: highPassFrag.text(), tex: i === 0 ? inputs.primary : highPassPyramid[i - 1] });
blur({ fbo: hBlurFBO, frag: blurFrag.text(), tex: highPassFBO, direction: [1, 0] });
blur({ fbo: vBlurFBO, frag: blurFrag.text(), tex: hBlurFBO, direction: [0, 1] });
}