1 files changed, 54 insertions, 0 deletions
diff --git a/display/com/google/hardware/pixel/display/HistogramCapability.aidl b/display/com/google/hardware/pixel/display/HistogramCapability.aidl
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+++ b/display/com/google/hardware/pixel/display/HistogramCapability.aidl
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+/*
+ * 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.
+ */
+
+package com.google.hardware.pixel.display;
+import com.google.hardware.pixel.display.HistogramSamplePos;
+
+@VintfStability
+parcelable HistogramCapability {
+    /**
+     * supportMultiChannel is true means the server supports multi channels
+     * histogram request, the client should use queryHistogram API. Otherwise,
+     * the client need to use the legacy histogramSample API.
+     */
+    boolean supportMultiChannel;
+
+    /**
+     * channelCount represents the number of available histogram channels for
+     * the client which would be less than the number of histogram hardware
+     * channels when driver reserves the histogram channel internally.
+     */
+    int channelCount;
+
+    /**
+     * fullResolutionWidth represents the x component of the full resolution.
+     * The roi should be calculated based on the full resolution.
+     * Constraints: HistogramConfig.roi.right <= fullResolutionWidth
+     */
+    int fullResolutionWidth;
+
+    /**
+     * fullResolutionHeight represents the y component of the full resolution.
+     * The roi should be calculated based on the full resolution.
+     * Constraints: HistogramConfig.roi.bottom <= fullResolutionHeight
+     */
+    int fullResolutionHeight;
+
+    /**
+     * supportSamplePosList lists the supported histogram sample position.
+     */
+    HistogramSamplePos[] supportSamplePosList;
+}