noteuclid/minitracing
1
0
Fork 0
Code Issues 5 Pull Requests Actions Packages Projects Releases Wiki Activity

Extract tone mapping into function

Browse Source
This commit is contained in:
numzero 2024-12-29 21:36:04 +03:00
parent 6f6673ea1f
commit 8c97ccad18
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/bin/minitracer/present.wgsl
View File

@ -19,9 +19,13 @@ fn on_vertex(in: Vertex) -> Varying {
@fragment @fragment
fn on_fragment(in: Varying) -> @location(0) vec4f { fn on_fragment(in: Varying) -> @location(0) vec4f {
let hdr = textureSample(tex, smp, in.tex).xyz; let pixel = textureSample(tex, smp, in.tex);
return vec4(rational_tone_map(pixel.xyz), 1.0);
}
fn rational_tone_map(hdr: vec3<f32>) -> vec3<f32> {
let luminosity = dot(hdr, vec3(0.2126, 0.7152, 0.0722)); let luminosity = dot(hdr, vec3(0.2126, 0.7152, 0.0722));
let color = hdr / luminosity; let color = hdr / luminosity;
let luma = luminosity / (luminosity + 1.0); let luma = luminosity / (luminosity + 1.0);
return vec4(luma * color, 1.0); return luma * color;
} }