1 files changed, 77 insertions, 0 deletions
diff --git a/src/ipa/simple/ipa_context.h b/src/ipa/simple/ipa_context.h
new file mode 100644
index 00000000..4af51306
--- /dev/null
+++ b/src/ipa/simple/ipa_context.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024 Red Hat, Inc.
+ *
+ * Simple pipeline IPA Context
+ */
+
+#pragma once
+
+#include <array>
+#include <optional>
+#include <stdint.h>
+
+#include <libcamera/controls.h>
+
+#include <libipa/fc_queue.h>
+
+namespace libcamera {
+
+namespace ipa::soft {
+
+struct IPASessionConfiguration {
+	float gamma;
+	struct {
+		int32_t exposureMin, exposureMax;
+		double againMin, againMax, againMinStep;
+	} agc;
+	struct {
+		std::optional<uint8_t> level;
+	} black;
+};
+
+struct IPAActiveState {
+	struct {
+		uint8_t level;
+	} blc;
+
+	struct {
+		double red;
+		double green;
+		double blue;
+	} gains;
+
+	static constexpr unsigned int kGammaLookupSize = 1024;
+	struct {
+		std::array<double, kGammaLookupSize> gammaTable;
+		uint8_t blackLevel;
+		double contrast;
+	} gamma;
+	struct {
+		/* 0..2 range, 1.0 = normal */
+		std::optional<double> contrast;
+	} knobs;
+};
+
+struct IPAFrameContext : public FrameContext {
+	struct {
+		int32_t exposure;
+		double gain;
+	} sensor;
+};
+
+struct IPAContext {
+	IPAContext(unsigned int frameContextSize)
+		: frameContexts(frameContextSize)
+	{
+	}
+
+	IPASessionConfiguration configuration;
+	IPAActiveState activeState;
+	FCQueue<IPAFrameContext> frameContexts;
+	ControlInfoMap::Map ctrlMap;
+};
+
+} /* namespace ipa::soft */
+
+} /* namespace libcamera */