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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 "hwc-bufferinfo-imagination"
18 
19 #include "BufferInfoImagination.h"
20 
21 #include <log/log.h>
22 #include <xf86drm.h>
23 
24 #include "img_gralloc1_public.h"
25 
26 namespace android {
27 
28 LEGACY_BUFFER_INFO_GETTER(BufferInfoImagination);
29 
ConvertBoInfo(buffer_handle_t handle,hwc_drm_bo_t * bo)30 int BufferInfoImagination::ConvertBoInfo(buffer_handle_t handle,
31                                          hwc_drm_bo_t *bo) {
32   IMG_native_handle_t *hnd = (IMG_native_handle_t *)handle;
33   if (!hnd)
34     return -EINVAL;
35 
36   /* Extra bits are responsible for buffer compression and memory layout */
37   if (hnd->iFormat & ~0x10f) {
38     ALOGV("Special buffer formats are not supported");
39     return -EINVAL;
40   }
41 
42   bo->width = hnd->iWidth;
43   bo->height = hnd->iHeight;
44   bo->usage = hnd->usage;
45   bo->prime_fds[0] = hnd->fd[0];
46   bo->pitches[0] = ALIGN(hnd->iWidth, HW_ALIGN) * hnd->uiBpp >> 3;
47   bo->hal_format = hnd->iFormat;
48 
49   switch (hnd->iFormat) {
50 #ifdef HAL_PIXEL_FORMAT_BGRX_8888
51     case HAL_PIXEL_FORMAT_BGRX_8888:
52       bo->format = DRM_FORMAT_XRGB8888;
53       break;
54 #endif
55     default:
56       bo->format = ConvertHalFormatToDrm(hnd->iFormat & 0xf);
57       if (bo->format == DRM_FORMAT_INVALID) {
58         ALOGV("Cannot convert hal format to drm format %u", hnd->iFormat);
59         return -EINVAL;
60       }
61   }
62 
63   return 0;
64 }
65 
66 }  // namespace android
67