1 /*
2  * Copyright © 2021, Google Inc.
3  * Copyright (C) 2021, GlobalLogic Ukraine
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22  * IN THE SOFTWARE.
23  */
24 
25 #ifndef EGL_ANDROID_INCLUDED
26 #define EGL_ANDROID_INCLUDED
27 
28 #include <errno.h>
29 #include <stdbool.h>
30 #include <stdint.h>
31 
32 #include <GL/internal/dri_interface.h>
33 
34 #include "egl_dri2.h"
35 
36 #if ANDROID_API_LEVEL < 26
37 /* Shim layer to map ANativeWindow_* onto the legacy system internal APIs */
38 enum ANativeWindowQuery {
39    ANATIVEWINDOW_QUERY_MIN_UNDEQUEUED_BUFFERS = 3,
40    ANATIVEWINDOW_QUERY_DEFAULT_WIDTH = 6,
41    ANATIVEWINDOW_QUERY_DEFAULT_HEIGHT = 7,
42 };
43 
44 static inline void
ANativeWindow_acquire(struct ANativeWindow * window)45 ANativeWindow_acquire(struct ANativeWindow *window)
46 {
47    window->common.incRef(&window->common);
48 }
49 
50 static inline void
ANativeWindow_release(struct ANativeWindow * window)51 ANativeWindow_release(struct ANativeWindow *window)
52 {
53    window->common.decRef(&window->common);
54 }
55 
56 static inline int32_t
ANativeWindow_getFormat(struct ANativeWindow * window)57 ANativeWindow_getFormat(struct ANativeWindow *window)
58 {
59    int32_t format = 0;
60    int res = window->query(window, NATIVE_WINDOW_FORMAT, &format);
61    return res < 0 ? res : format;
62 }
63 
64 static inline int
ANativeWindow_dequeueBuffer(struct ANativeWindow * window,struct ANativeWindowBuffer ** buffer,int * fenceFd)65 ANativeWindow_dequeueBuffer(struct ANativeWindow *window,
66                             struct ANativeWindowBuffer **buffer,
67                             int *fenceFd)
68 {
69    return window->dequeueBuffer(window, buffer, fenceFd);
70 }
71 
72 static inline int
ANativeWindow_queueBuffer(struct ANativeWindow * window,struct ANativeWindowBuffer * buffer,int fenceFd)73 ANativeWindow_queueBuffer(struct ANativeWindow *window,
74                           struct ANativeWindowBuffer *buffer,
75                           int fenceFd)
76 {
77    return window->queueBuffer(window, buffer, fenceFd);
78 }
79 
80 static inline int
ANativeWindow_cancelBuffer(struct ANativeWindow * window,struct ANativeWindowBuffer * buffer,int fenceFd)81 ANativeWindow_cancelBuffer(struct ANativeWindow *window,
82                            struct ANativeWindowBuffer *buffer,
83                            int fenceFd)
84 {
85    return window->cancelBuffer(window, buffer, fenceFd);
86 }
87 
88 static inline int
ANativeWindow_setUsage(struct ANativeWindow * window,uint64_t usage)89 ANativeWindow_setUsage(struct ANativeWindow *window, uint64_t usage)
90 {
91    return native_window_set_usage(window, usage);
92 }
93 
94 static inline int
ANativeWindow_setSharedBufferMode(struct ANativeWindow * window,bool sharedBufferMode)95 ANativeWindow_setSharedBufferMode(struct ANativeWindow *window,
96                                   bool sharedBufferMode)
97 {
98    return native_window_set_shared_buffer_mode(window, sharedBufferMode);
99 }
100 
101 static inline int
ANativeWindow_setSwapInterval(struct ANativeWindow * window,int interval)102 ANativeWindow_setSwapInterval(struct ANativeWindow *window, int interval)
103 {
104    return window->setSwapInterval(window, interval);
105 }
106 
107 static inline int
ANativeWindow_query(const struct ANativeWindow * window,enum ANativeWindowQuery what,int * value)108 ANativeWindow_query(const struct ANativeWindow *window,
109                     enum ANativeWindowQuery what,
110                     int *value)
111 {
112    switch (what) {
113    case ANATIVEWINDOW_QUERY_MIN_UNDEQUEUED_BUFFERS:
114    case ANATIVEWINDOW_QUERY_DEFAULT_WIDTH:
115    case ANATIVEWINDOW_QUERY_DEFAULT_HEIGHT:
116       break;
117    default:
118       return -EINVAL;
119    }
120    return window->query(window, (int)what, value);
121 }
122 #endif // ANDROID_API_LEVEL < 26
123 
124 struct buffer_info {
125    int width;
126    int height;
127    uint32_t drm_fourcc;
128    int num_planes;
129    int fds[4];
130    uint64_t modifier;
131    int offsets[4];
132    int pitches[4];
133    enum __DRIYUVColorSpace yuv_color_space;
134    enum __DRISampleRange sample_range;
135    enum __DRIChromaSiting horizontal_siting;
136    enum __DRIChromaSiting vertical_siting;
137 };
138 
139 #ifdef USE_IMAPPER4_METADATA_API
140 #ifdef __cplusplus
141 extern "C" {
142 #endif
143 extern int
144 mapper_metadata_get_buffer_info(struct ANativeWindowBuffer *buf,
145                                 struct buffer_info *out_buf_info);
146 #ifdef __cplusplus
147 }
148 #endif
149 #else
150 static inline int
mapper_metadata_get_buffer_info(struct ANativeWindowBuffer * buf,struct buffer_info * out_buf_info)151 mapper_metadata_get_buffer_info(struct ANativeWindowBuffer *buf,
152                                 struct buffer_info *out_buf_info) {
153    return -ENOTSUP;
154 }
155 #endif /* USE_IMAPPER4_METADATA_API */
156 
157 #endif /* EGL_ANDROID_INCLUDED */
158