From 783f92c018afb5ea5e18e75897d3a96577623b64 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 16 Apr 2024 11:13:44 +0200
Subject: libcamera: software_isp: Add Debayer base class

Add a base class for debayer implementations. This is intended to be
suitable for both GPU (or otherwise) accelerated debayer implementations
as well as CPU based debayering.

Doxygen documentation by Dennis Bonke.

Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s
Tested-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Co-developed-by: Dennis Bonke <admin@dennisbonke.com>
Signed-off-by: Dennis Bonke <admin@dennisbonke.com>
Co-developed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 .../internal/software_isp/debayer_params.h         | 25 ++++++++++++++++++++++
 .../libcamera/internal/software_isp/meson.build    |  1 +
 2 files changed, 26 insertions(+)
 create mode 100644 include/libcamera/internal/software_isp/debayer_params.h

(limited to 'include')

diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h
new file mode 100644
index 00000000..c818ca3a
--- /dev/null
+++ b/include/libcamera/internal/software_isp/debayer_params.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2023, Red Hat Inc.
+ *
+ * Authors:
+ * Hans de Goede <hdegoede@redhat.com>
+ *
+ * debayer_params.h - DebayerParams header
+ */
+
+#pragma once
+
+namespace libcamera {
+
+struct DebayerParams {
+	static constexpr unsigned int kGain10 = 256;
+
+	unsigned int gainR;
+	unsigned int gainG;
+	unsigned int gainB;
+
+	float gamma;
+};
+
+} /* namespace libcamera */
diff --git a/include/libcamera/internal/software_isp/meson.build b/include/libcamera/internal/software_isp/meson.build
index 66c9c3fb..a620e16d 100644
--- a/include/libcamera/internal/software_isp/meson.build
+++ b/include/libcamera/internal/software_isp/meson.build
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: CC0-1.0
 
 libcamera_internal_headers += files([
+    'debayer_params.h',
     'swisp_stats.h',
 ])
-- 
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