1 /* 2 * Copyright (C) 2022 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 #pragma once 18 19 #include <cstdint> 20 #include <memory> 21 22 constexpr int kBufferMaxPlanes = 4; 23 24 enum class BufferColorSpace : int32_t { 25 kUndefined, 26 kItuRec601, 27 kItuRec709, 28 kItuRec2020, 29 }; 30 31 enum class BufferSampleRange : int32_t { 32 kUndefined, 33 kFullRange, 34 kLimitedRange, 35 }; 36 37 enum class BufferBlendMode : int32_t { 38 kUndefined, 39 kNone, 40 kPreMult, 41 kCoverage, 42 }; 43 44 class PrimeFdsSharedBase { 45 public: 46 virtual ~PrimeFdsSharedBase() = default; 47 }; 48 49 struct BufferInfo { 50 uint32_t width; 51 uint32_t height; 52 uint32_t format; /* DRM_FORMAT_* from drm_fourcc.h */ 53 uint32_t pitches[kBufferMaxPlanes]; 54 uint32_t offsets[kBufferMaxPlanes]; 55 /* sizes[] is used only by mapper@4 metadata getter for internal purposes */ 56 uint32_t sizes[kBufferMaxPlanes]; 57 int prime_fds[kBufferMaxPlanes]; 58 uint64_t modifiers[kBufferMaxPlanes]; 59 60 BufferColorSpace color_space; 61 BufferSampleRange sample_range; 62 BufferBlendMode blend_mode; 63 64 /* prime_fds field require valid file descriptors. While their lifecycle is 65 * managed elsewhere. The shared_ptr is used to ensure that the fds are not 66 * closed while the BufferInfo is still in use. */ 67 std::shared_ptr<PrimeFdsSharedBase> fds_shared; 68 }; 69