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Ported all the post processing regl passes to WebGPU. Fixed the CORS stuff in loadTexture. Renamed createRenderTargetTexture to makePassFBO, to conform with the regl project. Added make1DTexture, which stripePass uses.

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Rezmason
2021-11-06 05:03:16 -07:00
parent 230847e5b8
commit 89b9f4e363
13 changed files with 785 additions and 30 deletions
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30
shaders/wgsl/imagePass.wgsl Normal file
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[[group(0), binding(0)]] var linearSampler : sampler;
[[group(0), binding(1)]] var tex : texture_2d<f32>;
[[group(0), binding(2)]] var bloomTex : texture_2d<f32>;
[[group(0), binding(3)]] var backgroundTex : texture_2d<f32>;
struct VertOutput {
[[builtin(position)]] Position : vec4<f32>;
[[location(0)]] uv : vec2<f32>;
};
[[stage(vertex)]] fn vertMain([[builtin(vertex_index)]] index : u32) -> VertOutput {
var uv = vec2<f32>(f32(index % 2u), f32((index + 1u) % 6u / 3u));
var position = vec4<f32>(uv * 2.0 - 1.0, 1.0, 1.0);
return VertOutput(position, uv);
}
[[stage(fragment)]] fn fragMain(input : VertOutput) -> [[location(0)]] vec4<f32> {
var uv = input.uv;
uv.y = 1.0 - uv.y;
var bgColor = textureSample( backgroundTex, linearSampler, uv ).rgb;
// Combine the texture and bloom, then blow it out to reveal more of the image
var brightness = min(1.0, textureSample( tex, linearSampler, uv ).r * 2.0);
brightness = brightness + textureSample( bloomTex, linearSampler, uv ).r;
brightness = pow(brightness, 1.5);
return vec4<f32>(bgColor * brightness, 1.0);
}