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 19 namespace sw { 20 21 Profiler profiler; 22 Profiler()23Profiler::Profiler() 24 { 25 reset(); 26 } 27 reset()28void Profiler::reset() 29 { 30 framesSec = 0; 31 framesTotal = 0; 32 FPS = 0; 33 } 34 nextFrame()35void 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 53 } // namespace sw