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 "Common/Thread.hpp"
18#include "Common/Timer.hpp"
19
20namespace sw
21{
22 Profiler profiler;
23
24 Profiler::Profiler()
25 {
26 reset();
27 }
28
29 void Profiler::reset()
30 {
31 framesSec = 0;
32 framesTotal = 0;
33 FPS = 0;
34
35 #if PERF_PROFILE
36 for(int i = 0; i < PERF_TIMERS; i++)
37 {
38 cycles[i] = 0;
39 }
40
41 ropOperations = 0;
42 ropOperationsTotal = 0;
43 ropOperationsFrame = 0;
44
45 texOperations = 0;
46 texOperationsTotal = 0;
47 texOperationsFrame = 0;
48
49 compressedTex = 0;
50 compressedTexTotal = 0;
51 compressedTexFrame = 0;
52 #endif
53 }
54
55 void Profiler::nextFrame()
56 {
57 #if PERF_PROFILE
58 ropOperationsFrame = sw::atomicExchange(&ropOperations, 0);
59 texOperationsFrame = sw::atomicExchange(&texOperations, 0);
60 compressedTexFrame = sw::atomicExchange(&compressedTex, 0);
61
62 ropOperationsTotal += ropOperationsFrame;
63 texOperationsTotal += texOperationsFrame;
64 compressedTexTotal += compressedTexFrame;
65 #endif
66
67 static double fpsTime = sw::Timer::seconds();
68
69 double time = sw::Timer::seconds();
70 double delta = time - fpsTime;
71 framesSec++;
72
73 if(delta > 1.0)
74 {
75 FPS = framesSec / delta;
76
77 fpsTime = time;
78 framesTotal += framesSec;
79 framesSec = 0;
80 }
81 }
82}