blob: 78777aa4750e289cd792523567fc0af2285baf6d (
plain)
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
|
#pragma once
#include <mbgl/actor/actor.hpp>
#include <mbgl/actor/mailbox.hpp>
#include <mbgl/actor/scheduler.hpp>
#include <mbgl/renderer/renderer.hpp>
#include <functional>
#include <memory>
#include <mutex>
#include <queue>
#include <utility>
namespace mbgl {
namespace android {
class AndroidGLThread : public Scheduler {
public:
using InvalidateCallback = std::function<void ()>;
template <class... Args>
AndroidGLThread(InvalidateCallback callback_, Args&&... args)
: renderer(std::make_unique<Renderer>(std::forward<Args>(args)...))
, mailbox(std::make_shared<Mailbox>(*this))
, callback(callback_)
, rendererRef(*renderer, mailbox) {
}
~AndroidGLThread() override = default;
ActorRef<Renderer> actor() const {
return rendererRef;
}
void schedule(std::weak_ptr<Mailbox> scheduled) override {
{
std::lock_guard<std::mutex> lock(mutex);
queue.push(scheduled);
}
// Invalidate so we get processing time later
callback();
}
// Only safe on the GL Thread
void process() {
std::unique_lock<std::mutex> lock(mutex);
if (queue.empty()) {
return;
}
auto scheduled = queue.front();
queue.pop();
lock.unlock();
Mailbox::maybeReceive(scheduled);
}
// Only safe to access on the GL Thread
std::unique_ptr<Renderer> renderer;
private:
std::mutex mutex;
std::queue<std::weak_ptr<Mailbox>> queue;
std::shared_ptr<Mailbox> mailbox;
InvalidateCallback callback;
ActorRef<Renderer> rendererRef;
};
} // namespace android
} // namespace mbgl
|
