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libcamera: shaders: Extend bayer shaders to support swapping R and B on output

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We can easily facilitate swapping R and B on output. Pivot on an
environment define for this purpose.

Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Robert Mader <robert.mader@collabora.com>
Tested-by: Hans de Goede <johannes.goede@oss.qualcomm.com> # ThinkPad T14s gen 6 (arm64) ov02c10 + X1c gen 12 ov08x40
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> # Lenovo X13s
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Bryan O'Donoghue
2026-01-06 17:00:43 +00:00
committed by Kieran Bingham
parent a4e82c950b
commit 58823cbf68
2 changed files with 9 additions and 1 deletions
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4
src/libcamera/shaders/bayer_1x_packed.frag
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@@ -257,5 +257,9 @@ void main(void)
rgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]);
rgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]);
#if defined (SWAP_BLUE)
gl_FragColor = vec4(rgb.bgr, 1.0);
#else
gl_FragColor = vec4(rgb, 1.0);
#endif
}

6
src/libcamera/shaders/bayer_unpacked.frag
View File

@@ -152,5 +152,9 @@ void main(void) {
rgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]);
rgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]);
gl_FragColor.rgb = rgb;
#if defined (SWAP_BLUE)
gl_FragColor = vec4(rgb.bgr, 1.0);
#else
gl_FragColor = vec4(rgb, 1.0);
#endif
}