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 #include "guest/hals/hwcomposer/common/drm_utils.h"
18 
19 #include <drm_fourcc.h>
20 #include <log/log.h>
21 #include <system/graphics.h>
22 
23 namespace cuttlefish {
24 
GetDrmFormatString(uint32_t drm_format)25 const char* GetDrmFormatString(uint32_t drm_format) {
26   switch (drm_format) {
27     case DRM_FORMAT_ABGR1555:
28       return "DRM_FORMAT_ABGR1555";
29     case DRM_FORMAT_ABGR2101010:
30       return "DRM_FORMAT_ABGR2101010";
31     case DRM_FORMAT_ABGR4444:
32       return "DRM_FORMAT_ABGR4444";
33     case DRM_FORMAT_ABGR8888:
34       return "DRM_FORMAT_ABGR8888";
35     case DRM_FORMAT_ARGB1555:
36       return "DRM_FORMAT_ARGB1555";
37     case DRM_FORMAT_ARGB2101010:
38       return "DRM_FORMAT_ARGB2101010";
39     case DRM_FORMAT_ARGB4444:
40       return "DRM_FORMAT_ARGB4444";
41     case DRM_FORMAT_ARGB8888:
42       return "DRM_FORMAT_ARGB8888";
43     case DRM_FORMAT_AYUV:
44       return "DRM_FORMAT_AYUV";
45     case DRM_FORMAT_BGR233:
46       return "DRM_FORMAT_BGR233";
47     case DRM_FORMAT_BGR565:
48       return "DRM_FORMAT_BGR565";
49     case DRM_FORMAT_BGR888:
50       return "DRM_FORMAT_BGR888";
51     case DRM_FORMAT_BGRA1010102:
52       return "DRM_FORMAT_BGRA1010102";
53     case DRM_FORMAT_BGRA4444:
54       return "DRM_FORMAT_BGRA4444";
55     case DRM_FORMAT_BGRA5551:
56       return "DRM_FORMAT_BGRA5551";
57     case DRM_FORMAT_BGRA8888:
58       return "DRM_FORMAT_BGRA8888";
59     case DRM_FORMAT_BGRX1010102:
60       return "DRM_FORMAT_BGRX1010102";
61     case DRM_FORMAT_BGRX4444:
62       return "DRM_FORMAT_BGRX4444";
63     case DRM_FORMAT_BGRX5551:
64       return "DRM_FORMAT_BGRX5551";
65     case DRM_FORMAT_BGRX8888:
66       return "DRM_FORMAT_BGRX8888";
67     case DRM_FORMAT_C8:
68       return "DRM_FORMAT_C8";
69     case DRM_FORMAT_GR88:
70       return "DRM_FORMAT_GR88";
71     case DRM_FORMAT_NV12:
72       return "DRM_FORMAT_NV12";
73     case DRM_FORMAT_NV21:
74       return "DRM_FORMAT_NV21";
75     case DRM_FORMAT_R8:
76       return "DRM_FORMAT_R8";
77     case DRM_FORMAT_RG88:
78       return "DRM_FORMAT_RG88";
79     case DRM_FORMAT_RGB332:
80       return "DRM_FORMAT_RGB332";
81     case DRM_FORMAT_RGB565:
82       return "DRM_FORMAT_RGB565";
83     case DRM_FORMAT_RGB888:
84       return "DRM_FORMAT_RGB888";
85     case DRM_FORMAT_RGBA1010102:
86       return "DRM_FORMAT_RGBA1010102";
87     case DRM_FORMAT_RGBA4444:
88       return "DRM_FORMAT_RGBA4444";
89     case DRM_FORMAT_RGBA5551:
90       return "DRM_FORMAT_RGBA5551";
91     case DRM_FORMAT_RGBA8888:
92       return "DRM_FORMAT_RGBA8888";
93     case DRM_FORMAT_RGBX1010102:
94       return "DRM_FORMAT_RGBX1010102";
95     case DRM_FORMAT_RGBX4444:
96       return "DRM_FORMAT_RGBX4444";
97     case DRM_FORMAT_RGBX5551:
98       return "DRM_FORMAT_RGBX5551";
99     case DRM_FORMAT_RGBX8888:
100       return "DRM_FORMAT_RGBX8888";
101     case DRM_FORMAT_UYVY:
102       return "DRM_FORMAT_UYVY";
103     case DRM_FORMAT_VYUY:
104       return "DRM_FORMAT_VYUY";
105     case DRM_FORMAT_XBGR1555:
106       return "DRM_FORMAT_XBGR1555";
107     case DRM_FORMAT_XBGR2101010:
108       return "DRM_FORMAT_XBGR2101010";
109     case DRM_FORMAT_XBGR4444:
110       return "DRM_FORMAT_XBGR4444";
111     case DRM_FORMAT_XBGR8888:
112       return "DRM_FORMAT_XBGR8888";
113     case DRM_FORMAT_XRGB1555:
114       return "DRM_FORMAT_XRGB1555";
115     case DRM_FORMAT_XRGB2101010:
116       return "DRM_FORMAT_XRGB2101010";
117     case DRM_FORMAT_XRGB4444:
118       return "DRM_FORMAT_XRGB4444";
119     case DRM_FORMAT_XRGB8888:
120       return "DRM_FORMAT_XRGB8888";
121     case DRM_FORMAT_YUYV:
122       return "DRM_FORMAT_YUYV";
123     case DRM_FORMAT_YVU420:
124       return "DRM_FORMAT_YVU420";
125     case DRM_FORMAT_YVYU:
126       return "DRM_FORMAT_YVYU";
127   }
128   return "Unknown";
129 }
130 
GetDrmFormatBytesPerPixel(uint32_t drm_format)131 int GetDrmFormatBytesPerPixel(uint32_t drm_format) {
132   switch (drm_format) {
133     case DRM_FORMAT_ABGR8888:
134     case DRM_FORMAT_ARGB8888:
135     case DRM_FORMAT_XBGR8888:
136       return 4;
137     case DRM_FORMAT_BGR888:
138       return 3;
139     case DRM_FORMAT_RGB565:
140     case DRM_FORMAT_YVU420:
141 #ifdef GRALLOC_MODULE_API_VERSION_0_2
142     case DRM_FORMAT_FLEX_YCbCr_420_888:
143 #endif
144       return 2;
145     case DRM_FORMAT_R8:
146       return 1;
147   }
148   ALOGE("%s: format size unknown %d(%s)", __FUNCTION__, drm_format,
149         GetDrmFormatString(drm_format));
150   return 8;
151 }
152 
GetDrmFormatFromHalFormat(int hal_format)153 int GetDrmFormatFromHalFormat(int hal_format) {
154   switch (hal_format) {
155     case HAL_PIXEL_FORMAT_RGBA_FP16:
156       return DRM_FORMAT_ABGR16161616F;
157     case HAL_PIXEL_FORMAT_RGBA_8888:
158       return DRM_FORMAT_ABGR8888;
159     case HAL_PIXEL_FORMAT_RGBX_8888:
160       return DRM_FORMAT_XBGR8888;
161     case HAL_PIXEL_FORMAT_BGRA_8888:
162       return DRM_FORMAT_ARGB8888;
163     case HAL_PIXEL_FORMAT_RGB_888:
164       return DRM_FORMAT_BGR888;
165     case HAL_PIXEL_FORMAT_RGB_565:
166       return DRM_FORMAT_BGR565;
167     case HAL_PIXEL_FORMAT_YV12:
168       return DRM_FORMAT_YVU420;
169     case HAL_PIXEL_FORMAT_YCbCr_420_888:
170       return DRM_FORMAT_YVU420;
171     case HAL_PIXEL_FORMAT_BLOB:
172       return DRM_FORMAT_R8;
173     default:
174       break;
175   }
176   ALOGE("%s unhandled hal format: %d", __FUNCTION__, hal_format);
177   return 0;
178 }
179 
180 }  // namespace cvd
181