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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WEBGL_QUERY_H_
#define WEBGL_QUERY_H_
#include "WebGLObjectModel.h"
#include "nsThreadUtils.h"
namespace mozilla {
namespace webgl {
class AvailabilityRunnable;
} // namespace webgl
class WebGLQuery final : public WebGLContextBoundObject {
friend class webgl::AvailabilityRunnable;
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLQuery, override)
public:
const GLuint mGLName;
private:
GLenum mTarget;
RefPtr<WebGLQuery>* mActiveSlot;
bool mCanBeAvailable = false; // Track whether the event loop has spun
////
public:
GLenum Target() const { return mTarget; }
bool IsActive() const { return bool(mActiveSlot); }
////
explicit WebGLQuery(WebGLContext* webgl);
private:
~WebGLQuery() override;
public:
////
void BeginQuery(GLenum target, RefPtr<WebGLQuery>& slot);
void EndQuery();
Maybe<double> GetQueryParameter(GLenum pname) const;
void QueryCounter();
};
} // namespace mozilla
#endif // WEBGL_QUERY_H_
|
