1 files changed, 33 insertions, 0 deletions
diff --git a/libhwc2.1/libdevice/HistogramController.h b/libhwc2.1/libdevice/HistogramController.h
new file mode 100644
index 0000000..a895bdd
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+++ b/libhwc2.1/libdevice/HistogramController.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "HistogramDevice.h"
+
+class HistogramController : public HistogramDevice {
+public:
+    HistogramController(ExynosDisplay* display) : HistogramDevice(display, 4, {3}) {}
+    virtual void initPlatformHistogramCapability() override;
+// TODO: b/295990513 - Remove the if defined after kernel prebuilts are merged.
+#if defined(EXYNOS_HISTOGRAM_CHANNEL_REQUEST)
+    virtual int createHistogramDrmConfigLocked(const ChannelInfo& channel,
+                                               std::shared_ptr<void>& configPtr,
+                                               size_t& length) const override
+            REQUIRES(channel.channelInfoMutex);
+    virtual int parseDrmEvent(void* event, uint8_t& channelId, char16_t*& buffer) const override;
+#endif
+};