1 /* 2 * Copyright (C) 2020 Arm Limited. 3 * SPDX-License-Identifier: Apache-2.0 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package arm.graphics; 19 20 /** 21 * Used by IAllocator/IMapper (gralloc) to describe Arm compression strategies 22 */ 23 @VintfStability 24 @Backing(type="long") 25 enum Compression { 26 /** 27 * Arm Framebuffer Compression. For details query the buffer's DRM Modifier using the metadata type 28 * aidl::android::hardware::graphics::common::StandardMetadataType::PIXEL_FORMAT_MODIFIER 29 */ 30 AFBC = 0, 31 } 32