1// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include "Config.hpp"
16
17#include "System/Timer.hpp"
18
19namespace sw
20{
21 Profiler profiler;
22
23 Profiler::Profiler()
24 {
25 reset();
26 }
27
28 void Profiler::reset()
29 {
30 framesSec = 0;
31 framesTotal = 0;
32 FPS = 0;
33 }
34
35 void Profiler::nextFrame()
36 {
37 static double fpsTime = sw::Timer::seconds();
38
39 double time = sw::Timer::seconds();
40 double delta = time - fpsTime;
41 framesSec++;
42
43 if(delta > 1.0)
44 {
45 FPS = framesSec / delta;
46
47 fpsTime = time;
48 framesTotal += framesSec;
49 framesSec = 0;
50 }
51 }
52}