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Add debayering support for all bayer CFAs

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This commit is contained in:
Yassine Oudjana
2022-01-17 17:05:51 +04:00
parent c16dbf6810
commit 212e75ed3c
6 changed files with 65 additions and 14 deletions
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10
data/debayer.frag
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@@ -44,9 +44,15 @@ main()
texture2D(texture, bottom_right_uv).r);
#endif
// Assume BGGR for now. Currently this just takes 3 of the four samples
// for each pixel, there's room here to do some better debayering.
#if defined(CFA_BGGR)
vec3 color = vec3(samples.w, (samples.y + samples.z) / 2.0, samples.x);
#elif defined(CFA_GBRG)
vec3 color = vec3(samples.z, (samples.x + samples.w) / 2.0, samples.y);
#elif defined(CFA_GRBG)
vec3 color = vec3(samples.y, (samples.x + samples.w) / 2.0, samples.z);
#else
vec3 color = vec3(samples.x, (samples.y + samples.z) / 2.0, samples.w);
#endif
// Some crude blacklevel correction to make the preview a bit nicer, this
// should be an uniform