- /* GPU time drifts due to being relative times, not absolute and can be
- * affected by the gpu switch between processes.
- *
- * To attempt to compensate we resynchronise on frame end however there is
- * still noticeable drift within a single frame which we do not account for.
- */
- if (retrace::profilingCpuTimes || retrace::profilingGpuTimes) {
- int64_t cpuTime, gpuTime, error;
-
- getCurrentTimes(cpuTime, gpuTime);
- cpuTime = cpuTime - retrace::profiler.getBaseCpuTime();
- gpuTime = gpuTime - retrace::profiler.getBaseGpuTime();
- error = gpuTime - cpuTime * (1.0E9 / getTimeFrequency());
- std::cerr << "error = " << error << "\n";
-
- if (0) {
- retrace::profiler.setBaseGpuTime(retrace::profiler.getBaseGpuTime() + error);
- }
- }
-