xref: /aosp_15_r20/external/drm_hwcomposer/bufferinfo/legacy/BufferInfoMaliMediatek.cpp (revision 0a9764fe0a15e71ebbeb85e87e10990c23aab47f)
1 /*
2  * Copyright (C) 2020 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 #define LOG_TAG "drmhwc"
18 
19 #include "BufferInfoMaliMediatek.h"
20 
21 #include <hardware/gralloc.h>
22 #include <stdatomic.h>
23 #include <xf86drm.h>
24 #include <xf86drmMode.h>
25 
26 #include <cinttypes>
27 
28 #include "gralloc_priv.h"
29 #include "utils/log.h"
30 
31 namespace android {
32 
33 LEGACY_BUFFER_INFO_GETTER(BufferInfoMaliMediatek);
34 
GetBoInfo(buffer_handle_t handle)35 auto BufferInfoMaliMediatek::GetBoInfo(buffer_handle_t handle)
36     -> std::optional<BufferInfo> {
37   const auto *hnd = (private_handle_t const *)handle;
38   if (!hnd)
39     return {};
40 
41   const uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
42   if (fmt == DRM_FORMAT_INVALID)
43     return {};
44 
45   BufferInfo bi{};
46 
47   bi.width = hnd->width;
48   bi.height = hnd->height;
49   bi.format = fmt;
50   bi.prime_fds[0] = hnd->share_fd;
51   bi.pitches[0] = hnd->byte_stride;
52   bi.offsets[0] = 0;
53 
54   return bi;
55 }
56 
57 }  // namespace android
58