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
|
/* -*- Mode: C++; tab-width: 20; 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 mozilla_layers_FrameUniformityData_h_
#define mozilla_layers_FrameUniformityData_h_
#include "ipc/IPCMessageUtils.h"
#include "js/TypeDecls.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
namespace layers {
class Layer;
class FrameUniformityData {
friend struct IPC::ParamTraits<FrameUniformityData>;
public:
bool ToJS(JS::MutableHandleValue aOutValue, JSContext* aContext);
// Contains the calculated frame uniformities
std::map<uintptr_t,float> mUniformities;
};
struct LayerTransforms {
LayerTransforms() {}
gfx::Point GetAverage();
gfx::Point GetStdDev();
// 60 fps * 5 seconds worth of data
AutoTArray<gfx::Point, 300> mTransforms;
};
class LayerTransformRecorder {
public:
LayerTransformRecorder() {}
~LayerTransformRecorder();
void RecordTransform(Layer* aLayer, const gfx::Point& aTransform);
void Reset();
void EndTest(FrameUniformityData* aOutData);
private:
float CalculateFrameUniformity(uintptr_t aLayer);
LayerTransforms* GetLayerTransforms(uintptr_t aLayer);
std::map<uintptr_t,LayerTransforms*> mFrameTransforms;
};
} // namespace layers
} // namespace mozilla
namespace IPC {
template<>
struct ParamTraits<mozilla::layers::FrameUniformityData>
{
typedef mozilla::layers::FrameUniformityData paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.mUniformities);
}
static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
{
return ParamTraitsStd<std::map<uintptr_t,float>>::Read(aMsg, aIter, &aResult->mUniformities);
}
};
} // namespace IPC
#endif // mozilla_layers_FrameUniformityData_h_
|
