1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* This file is part of Owl.
*
* Copyright © 2019-2021 Sergey Bugaev <bugaevc@gmail.com>
*
* Owl is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* Owl is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with Owl. If not, see <http://www.gnu.org/licenses/>.
*/
#import "OwlFeatures.h"
#ifdef OWL_PLATFORM_APPLE
#import "OwlZowlIOSurfaceV1.h"
#import "owl-iosurface-unstable-v1.h"
#import "owl-iosurface-unstable-v1-mig.h"
#import "OwlMIG.h"
#import "OwlIOSurfaceBuffer.h"
@implementation OwlZowlIOSurfaceV1
static NSMutableArray *instances;
+ (void) initialize {
if (instances == nil) {
instances = [[NSMutableArray alloc] init];
}
}
static void iosurface_destroy_handler(
struct wl_client *client,
struct wl_resource *resource
) {
wl_resource_destroy(resource);
}
static void iosurface_destroy(struct wl_resource *resource) {
OwlZowlIOSurfaceV1 *self = wl_resource_get_user_data(resource);
[self release];
}
static void iosurface_create_buffer_handler(
struct wl_client *client,
struct wl_resource *resource,
uint32_t id
) {
OwlZowlIOSurfaceV1 *self = wl_resource_get_user_data(resource);
struct wl_resource *buffer_resource = wl_resource_create(
client,
&wl_buffer_interface,
1,
id
);
[[[OwlIOSurfaceBuffer alloc] initWithResource: buffer_resource
surfacePort: self->_surfacePort] release];
}
static const struct zowl_iosurface_v1_interface iosurface_impl = {
.create_buffer = iosurface_create_buffer_handler,
.destroy = iosurface_destroy_handler
};
- (id) initWithResource: (struct wl_resource *) resource {
[instances addObject: self];
_resource = resource;
wl_resource_set_implementation(
resource,
&iosurface_impl,
[self retain],
iosurface_destroy
);
// Create the receiver port and serve owl_iosurface_v1 on it.
mach_port_allocate(
mach_task_self(),
MACH_PORT_RIGHT_RECEIVE,
&_receiverPort
);
[OwlMIG serveOnPort: _receiverPort
usingCallback: owl_iosurface_v1_server
maxSize: 100];
return self;
}
- (void) dealloc {
mach_port_deallocate(mach_task_self(), _receiverPort);
if (MACH_PORT_VALID (_surfacePort)) {
mach_port_deallocate(mach_task_self(), _surfacePort);
}
[instances removeObject: self];
[super dealloc];
}
- (mach_port_t) receiverPort {
return _receiverPort;
}
+ (OwlZowlIOSurfaceV1 *) surfaceByReceiverPort: (mach_port_t) port {
for (OwlZowlIOSurfaceV1 *surface in instances) {
if (surface->_receiverPort == port) {
return surface;
}
}
return nil;
}
kern_return_t owl_iosurface_v1_server_set_surface_port(
mach_port_t receiver_port,
mach_port_t iosurface_port
) {
OwlZowlIOSurfaceV1 *surface = [OwlZowlIOSurfaceV1 surfaceByReceiverPort: receiver_port];
if (surface == nil) {
NSLog(@"Failed to find the surface the receiver port belongs to");
return KERN_INVALID_ARGUMENT;
}
surface->_surfacePort = iosurface_port;
return KERN_SUCCESS;
}
@end
#endif /* OWL_PLATFORM_APPLE */
|
