diff options
Diffstat (limited to 'display/com/google/hardware/pixel/display/IDisplay.aidl')
| -rw-r--r-- | display/com/google/hardware/pixel/display/IDisplay.aidl | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/display/com/google/hardware/pixel/display/IDisplay.aidl b/display/com/google/hardware/pixel/display/IDisplay.aidl index e06db5c..b242b65 100644 --- a/display/com/google/hardware/pixel/display/IDisplay.aidl +++ b/display/com/google/hardware/pixel/display/IDisplay.aidl @@ -1,5 +1,5 @@ /* - * Copyright (C) 2021 The Android Open Source Project + * Copyright (C) 2022 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. @@ -15,10 +15,15 @@ */ package com.google.hardware.pixel.display; - +import com.google.hardware.pixel.display.HistogramErrorCode; import com.google.hardware.pixel.display.HbmState; import com.google.hardware.pixel.display.LbeState; +import com.google.hardware.pixel.display.Weight; +import com.google.hardware.pixel.display.HistogramPos; +import com.google.hardware.pixel.display.PanelCalibrationStatus; +import com.google.hardware.pixel.display.Priority; import android.hardware.common.NativeHandle; +import android.hardware.graphics.common.Rect; @VintfStability interface IDisplay { @@ -127,4 +132,45 @@ interface IDisplay { * @return errno if there was a problem with the request, zero if successful */ int setRefreshRateThrottle(in int delayMs); + + /** + * Collects the luma histograms of the content displayed on screen. + * + * + * @param roi input from client, is the regions of interest in the frames that + * should be sampled to collect the luma values of the roi + * The sample represents the most-recently posted frames + * @param weight input from client, the weights for red(weight_r), green(weight_g) + * and blue(weight_b) colors, which is used in luma calculation formula. + * The formula: + * luma = weight_r * red + weight_g * green + weight_b * blue + * The weight_r + weight_g + weight_b = 1024 + * @param pos histogram sample position, could be PRE_DQE or POST_DQE + * @param priority input from client, is the priority of the call. + * Priority is a num with two values {normal, priority} + * @param histogrambuffer output from histogram server, is a 256 * 16 bits buffer to store the + * luma counts return by the histogram hardware + * @return error NONE = 0 upon success. Otherwise + * BAD_ROI = 1 when roi passed in is not in correct format + * BAD_WEIGHT = 2 when weight passed in is not in correct format + * BAD_POSITION = 3 when the histogram sampling position is incorrect + * BAD_PRIORITY = 4 when the priority input is not in correct format + * ENABLE_HIST_ERROR = 5 when enable histgoram property error + * DISABLE_HIST_ERROR = 6 when disable histgoram property error + * BAD_HIST_DATA = 7 when there is error to collect histogram data + * DRM_PLAYING = 8 when there is DRM content playing, + * for content protection, no histogram data sampled + * DISPLAY_POWEROFF = 9 when the display is power off, + * no histogram data is sampled + */ + HistogramErrorCode histogramSample(in Rect roi, in Weight weight, in HistogramPos pos, + in Priority pri, out char[] histogrambuffer); + + /** + * Get the panel calibration status. + * + * @return status of panel calibration. + */ + PanelCalibrationStatus getPanelCalibrationStatus(); + } |