citra/src/common/profiler_reporting.h
2015-06-28 00:36:54 +01:00

106 lines
2.7 KiB
C++

// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <vector>
#include "common/profiler.h"
#include "common/synchronized_wrapper.h"
namespace Common {
namespace Profiling {
struct TimingCategoryInfo {
static const unsigned int NO_PARENT = -1;
TimingCategory* category;
const char* name;
unsigned int parent;
};
struct ProfilingFrameResult {
/// Time since the last delivered frame
Duration interframe_time;
/// Time spent processing a frame, excluding VSync
Duration frame_time;
/// Total amount of time spent inside each category in this frame. Indexed by the category id
std::vector<Duration> time_per_category;
};
class ProfilingManager final {
public:
ProfilingManager();
unsigned int RegisterTimingCategory(TimingCategory* category, const char* name);
void SetTimingCategoryParent(unsigned int category, unsigned int parent);
const std::vector<TimingCategoryInfo>& GetTimingCategoriesInfo() const {
return timing_categories;
}
/// This should be called after swapping screen buffers.
void BeginFrame();
/// This should be called before swapping screen buffers.
void FinishFrame();
/// Get the timing results from the previous frame. This is updated when you call FinishFrame().
const ProfilingFrameResult& GetPreviousFrameResults() const {
return results;
}
private:
std::vector<TimingCategoryInfo> timing_categories;
Clock::time_point last_frame_end;
Clock::time_point this_frame_start;
ProfilingFrameResult results;
};
struct AggregatedDuration {
Duration avg, min, max;
};
struct AggregatedFrameResult {
/// Time since the last delivered frame
AggregatedDuration interframe_time;
/// Time spent processing a frame, excluding VSync
AggregatedDuration frame_time;
float fps;
/// Total amount of time spent inside each category in this frame. Indexed by the category id
std::vector<AggregatedDuration> time_per_category;
};
class TimingResultsAggregator final {
public:
TimingResultsAggregator(size_t window_size);
void Clear();
void SetNumberOfCategories(size_t n);
void AddFrame(const ProfilingFrameResult& frame_result);
AggregatedFrameResult GetAggregatedResults() const;
size_t max_window_size;
size_t window_size;
size_t cursor;
std::vector<Duration> interframe_times;
std::vector<Duration> frame_times;
std::vector<std::vector<Duration>> times_per_category;
};
ProfilingManager& GetProfilingManager();
SynchronizedRef<TimingResultsAggregator> GetTimingResultsAggregator();
} // namespace Profiling
} // namespace Common