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\n\tWed, 17 Dec 2025 02:01:50 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tMilan Zamazal ,\n\tKieran Bingham ","Subject":"[PATCH v9 07/26] libcamera: shaders: Extend bayer shaders to support\n\tswapping R and B on output","Date":"Wed, 17 Dec 2025 10:01:19 +0000","Message-ID":"<20251217100138.82525-8-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251217100138.82525-1-bryan.odonoghue@linaro.org>","References":"<20251217100138.82525-1-bryan.odonoghue@linaro.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"We can easily facilitate swapping R and B on output. Pivot on an\nenvironment define for this purpose.\n\nReviewed-by: Milan Zamazal \nAcked-by: Kieran Bingham \nSigned-off-by: Bryan O'Donoghue \n---\n src/libcamera/shaders/bayer_1x_packed.frag | 4 ++++\n src/libcamera/shaders/bayer_unpacked.frag | 6 +++++-\n 2 files changed, 9 insertions(+), 1 deletion(-)","diff":"diff --git a/src/libcamera/shaders/bayer_1x_packed.frag b/src/libcamera/shaders/bayer_1x_packed.frag\nindex 171a928c2..db8c2a0b3 100644\n--- a/src/libcamera/shaders/bayer_1x_packed.frag\n+++ b/src/libcamera/shaders/bayer_1x_packed.frag\n@@ -257,5 +257,9 @@ void main(void)\n \trgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]);\n \trgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]);\n \n+#if defined (SWAP_BLUE)\n+\tgl_FragColor = vec4(rgb.bgr, 1.0);\n+#else\n \tgl_FragColor = vec4(rgb, 1.0);\n+#endif\n }\ndiff --git a/src/libcamera/shaders/bayer_unpacked.frag b/src/libcamera/shaders/bayer_unpacked.frag\nindex c41d72f4f..06d80f3dd 100644\n--- a/src/libcamera/shaders/bayer_unpacked.frag\n+++ b/src/libcamera/shaders/bayer_unpacked.frag\n@@ -152,5 +152,9 @@ void main(void) {\n rgb.g = (rin * ccm[1][0]) + (gin * ccm[1][1]) + (bin * ccm[1][2]);\n rgb.b = (rin * ccm[2][0]) + (gin * ccm[2][1]) + (bin * ccm[2][2]);\n \n- gl_FragColor.rgb = rgb;\n+#if defined (SWAP_BLUE)\n+ gl_FragColor = vec4(rgb.bgr, 1.0);\n+#else\n+ gl_FragColor = vec4(rgb, 1.0);\n+#endif\n }\n","prefixes":["v9","07/26"]}