1 /*
2 * Copyright (C) 2015 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 #include "DrmMode.h"
18
19 #include <cstring>
20
21 #include "DrmDevice.h"
22
23 namespace android {
24
DrmMode(drmModeModeInfoPtr m)25 DrmMode::DrmMode(drmModeModeInfoPtr m) : mode_(*m){};
26
operator ==(const drmModeModeInfo & m) const27 bool DrmMode::operator==(const drmModeModeInfo &m) const {
28 return memcmp(&m, &mode_, offsetof(drmModeModeInfo, name)) == 0;
29 }
30
SameSize(const DrmMode & mode) const31 bool DrmMode::SameSize(const DrmMode &mode) const {
32 return (mode_.vdisplay == mode.mode_.vdisplay) &&
33 (mode_.hdisplay == mode.mode_.hdisplay);
34 }
35
CreateModeBlob(const DrmDevice & drm)36 auto DrmMode::CreateModeBlob(const DrmDevice &drm)
37 -> DrmModeUserPropertyBlobUnique {
38 struct drm_mode_modeinfo drm_mode = {};
39 /* drm_mode_modeinfo and drmModeModeInfo should be identical
40 * At least libdrm does the same memcpy in drmModeAttachMode();
41 */
42 memcpy(&drm_mode, &mode_, sizeof(struct drm_mode_modeinfo));
43
44 return drm.RegisterUserPropertyBlob(&drm_mode,
45 sizeof(struct drm_mode_modeinfo));
46 }
47
48 } // namespace android
49