1 /*
2 * Copyright (C) 2021 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 <xf86drmMode.h>
20
21 #include <functional>
22 #include <memory>
23
24 template <typename T>
25 using DUniquePtr = std::unique_ptr<T, std::function<void(T *)>>;
26
27 using DrmModeAtomicReqUnique = DUniquePtr<drmModeAtomicReq>;
MakeDrmModeAtomicReqUnique()28 auto inline MakeDrmModeAtomicReqUnique() {
29 return DrmModeAtomicReqUnique(drmModeAtomicAlloc(), [](drmModeAtomicReq *it) {
30 drmModeAtomicFree(it);
31 });
32 };
33
34 using DrmModeConnectorUnique = DUniquePtr<drmModeConnector>;
MakeDrmModeConnectorUnique(int fd,uint32_t connector_id)35 auto inline MakeDrmModeConnectorUnique(int fd, uint32_t connector_id) {
36 return DrmModeConnectorUnique(drmModeGetConnector(fd, connector_id),
37 [](drmModeConnector *it) {
38 drmModeFreeConnector(it);
39 });
40 }
41
42 using DrmModeCrtcUnique = DUniquePtr<drmModeCrtc>;
MakeDrmModeCrtcUnique(int fd,uint32_t crtc_id)43 auto inline MakeDrmModeCrtcUnique(int fd, uint32_t crtc_id) {
44 return DrmModeCrtcUnique(drmModeGetCrtc(fd, crtc_id),
45 [](drmModeCrtc *it) { drmModeFreeCrtc(it); });
46 }
47
48 using DrmModeEncoderUnique = DUniquePtr<drmModeEncoder>;
MakeDrmModeEncoderUnique(int fd,uint32_t encoder_id)49 auto inline MakeDrmModeEncoderUnique(int fd, uint32_t encoder_id) {
50 return DrmModeEncoderUnique(drmModeGetEncoder(fd, encoder_id),
51 [](drmModeEncoder *it) {
52 drmModeFreeEncoder(it);
53 });
54 }
55
56 using DrmModePlaneUnique = DUniquePtr<drmModePlane>;
MakeDrmModePlaneUnique(int fd,uint32_t plane_id)57 auto inline MakeDrmModePlaneUnique(int fd, uint32_t plane_id) {
58 return DrmModePlaneUnique(drmModeGetPlane(fd, plane_id),
59 [](drmModePlane *it) { drmModeFreePlane(it); });
60 }
61
62 using DrmModePlaneResUnique = DUniquePtr<drmModePlaneRes>;
MakeDrmModePlaneResUnique(int fd)63 auto inline MakeDrmModePlaneResUnique(int fd) {
64 return DrmModePlaneResUnique(drmModeGetPlaneResources(fd),
65 [](drmModePlaneRes *it) {
66 drmModeFreePlaneResources(it);
67 });
68 }
69
70 using DrmModeUserPropertyBlobUnique = DUniquePtr<uint32_t /*id*/>;
71
72 using DrmModePropertyBlobUnique = DUniquePtr<drmModePropertyBlobRes>;
MakeDrmModePropertyBlobUnique(int fd,uint32_t blob_id)73 auto inline MakeDrmModePropertyBlobUnique(int fd, uint32_t blob_id) {
74 return DrmModePropertyBlobUnique(drmModeGetPropertyBlob(fd, blob_id),
75 [](drmModePropertyBlobRes *it) {
76 drmModeFreePropertyBlob(it);
77 });
78 }
79
80 using DrmModeResUnique = DUniquePtr<drmModeRes>;
MakeDrmModeResUnique(int fd)81 auto inline MakeDrmModeResUnique(int fd) {
82 return DrmModeResUnique(drmModeGetResources(fd),
83 [](drmModeRes *it) { drmModeFreeResources(it); });
84 }
85