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Examples/DeferredShading: Improve bloom quality

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This commit is contained in:
Jérôme Leclercq
2021-12-12 23:04:05 +01:00
parent f64e16f7d8
commit 31c71e542e
6 changed files with 250 additions and 114 deletions
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32
bin/resources/gaussian_blur.nzsl
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@@ -12,10 +12,18 @@ struct ViewerData
eyePosition: vec3<f32>
}
[layout(std140)]
struct BlurData
{
direction: vec2<f32>,
sizeFactor: f32
}
external
{
[set(0), binding(0)] viewerData: uniform<ViewerData>,
[set(0), binding(1)] colorTexture: sampler2D<f32>,
[set(0), binding(2)] blurData: uniform<BlurData>
}
struct FragIn
@@ -30,7 +38,7 @@ struct FragOut
struct VertIn
{
[location(0)] pos: vec3<f32>
[location(0)] pos: vec2<f32>
}
struct VertOut
@@ -41,26 +49,16 @@ struct VertOut
[entry(frag)]
fn main(input: FragIn) -> FragOut
{
let invTargetSize = viewerData.invRenderTargetSize * 10.0;
let invTargetSize = viewerData.invRenderTargetSize * blurData.sizeFactor;
let fragcoord = input.fragcoord.xy * invTargetSize;
let color = colorTexture.Sample(fragcoord).rgb * 0.2270270270;
let filter = vec2<f32>(1.0, 0.0);
color += colorTexture.Sample(fragcoord + filter * 1.3846153846 * invTargetSize).rgb * 0.3162162162;
color += colorTexture.Sample(fragcoord - filter * 1.3846153846 * invTargetSize).rgb * 0.3162162162;
color += colorTexture.Sample(fragcoord + blurData.direction * 1.3846153846 * invTargetSize).rgb * 0.3162162162;
color += colorTexture.Sample(fragcoord - blurData.direction * 1.3846153846 * invTargetSize).rgb * 0.3162162162;
color += colorTexture.Sample(fragcoord + filter * 3.2307692308 * invTargetSize).rgb * 0.0702702703;
color += colorTexture.Sample(fragcoord - filter * 3.2307692308 * invTargetSize).rgb * 0.0702702703;
filter = vec2<f32>(0.0, 1.0);
color += colorTexture.Sample(fragcoord + filter * 1.3846153846 * invTargetSize).rgb * 0.3162162162;
color += colorTexture.Sample(fragcoord - filter * 1.3846153846 * invTargetSize).rgb * 0.3162162162;
color += colorTexture.Sample(fragcoord + filter * 3.2307692308 * invTargetSize).rgb * 0.0702702703;
color += colorTexture.Sample(fragcoord - filter * 3.2307692308 * invTargetSize).rgb * 0.0702702703;
color += colorTexture.Sample(fragcoord + blurData.direction * 3.2307692308 * invTargetSize).rgb * 0.0702702703;
color += colorTexture.Sample(fragcoord - blurData.direction * 3.2307692308 * invTargetSize).rgb * 0.0702702703;
let output: FragOut;
output.color = vec4<f32>(color, 1.0);
@@ -72,7 +70,7 @@ fn main(input: FragIn) -> FragOut
fn main(input: VertIn) -> VertOut
{
let output: VertOut;
output.position = vec4<f32>(input.pos, 1.0);
output.position = vec4<f32>(input.pos, 0.0, 1.0);
return output;
}