1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.display; 18 19 /** 20 * @hide 21 */ 22 public final class DisplayedContentSamplingAttributes { 23 private int mPixelFormat; 24 private int mDataspace; 25 private int mComponentMask; 26 27 /* Creates the attributes reported by the display hardware about what capabilities 28 * are present. 29 * 30 * NOTE: the format and ds constants must match the values from graphics/common/x.x/types.hal 31 * @param format the format that the display hardware samples in. 32 * @param ds the dataspace in use when sampling. 33 * @param componentMask a mask of which of the format components are supported. 34 */ DisplayedContentSamplingAttributes(int format, int ds, int componentMask)35 public DisplayedContentSamplingAttributes(int format, int ds, int componentMask) { 36 mPixelFormat = format; 37 mDataspace = ds; 38 mComponentMask = componentMask; 39 } 40 41 /* Returns the pixel format that the display hardware uses when sampling. 42 * 43 * NOTE: the returned constant matches the values from graphics/common/x.x/types.hal 44 * @return the format that the samples were collected in. 45 */ getPixelFormat()46 public int getPixelFormat() { 47 return mPixelFormat; 48 } 49 50 /* Returns the dataspace that the display hardware uses when sampling. 51 * 52 * NOTE: the returned constant matches the values from graphics/common/x.x/types.hal 53 * @return the dataspace that the samples were collected in. 54 */ getDataspace()55 public int getDataspace() { 56 return mDataspace; 57 } 58 59 /* Returns a mask of which components can be collected by the sampling engine. 60 * 61 * @return a mask of the components which are supported by the engine. The lowest 62 * bit corresponds to the lowest component (ie, 0x1 corresponds to A for RGBA). 63 */ getComponentMask()64 public int getComponentMask() { 65 return mComponentMask; 66 } 67 } 68