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/**************************************************************************
*
* Copyright 2015 Alexander Trukhin
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
#pragma once
#include <memory>
#include <vector>
#include <map>
#include <string>
#include "glproc.hpp"
#include "metric_backend.hpp"
#include "glretrace.hpp"
#include "mmap_allocator.hpp"
#define NUM_MONITORS 1 // number of max used AMD_perfmon monitors
class Metric_AMD_perfmon : public Metric
{
private:
unsigned m_group, m_id;
MetricNumType m_nType;
std::string m_name;
bool m_precached;
void precache();
public:
Metric_AMD_perfmon(unsigned g, unsigned i) : m_group(g), m_id(i),
m_nType(CNT_NUM_UINT),
m_precached(false) {}
GLenum size();
unsigned id() override;
unsigned groupId() override;
std::string name() override;
std::string description() override;
MetricNumType numType() override;
MetricType type() override;
};
class MetricBackend_AMD_perfmon : public MetricBackend
{
private:
class DataCollector
{
private:
MmapAllocator<unsigned> alloc; // allocator
// deque with custom allocator
template <class T>
using mmapdeque = std::deque<T, MmapAllocator<T>>;
// data storage
mmapdeque<mmapdeque<unsigned*>> data;
unsigned curPass;
public:
DataCollector(MmapAllocator<char> &alloc)
: alloc(alloc), data(1, mmapdeque<unsigned*>(alloc), alloc),
curPass(0) {}
~DataCollector();
unsigned* newDataBuffer(unsigned event, size_t size);
void endPass();
unsigned* getDataBuffer(unsigned pass, unsigned event);
};
private:
bool supported; // extension support (checked initially and w/ context switch)
bool firstRound; // first profiling round (no need to free monitors)
bool perFrame; // profiling frames?
bool queryInProgress;
unsigned monitors[NUM_MONITORS]; // For cycling
unsigned curMonitor;
unsigned monitorEvent[NUM_MONITORS]; // Event saved in monitor
unsigned numPasses; // all passes
unsigned numFramePasses; // frame passes
unsigned curPass;
unsigned curEvent; // Currently evaluated event
// metrics selected for profiling boundaries (frames, draw calls)
std::vector<Metric_AMD_perfmon> metrics[2];
// metric sets for each pass
std::vector<std::vector<Metric_AMD_perfmon>> passes;
// metric offsets in data for each pass
std::vector<std::map<Metric_AMD_perfmon*, unsigned>> metricOffsets;
DataCollector collector; // data storage
// lookup table (metric name -> (gid, id))
static std::map<std::string, std::pair<unsigned, unsigned>> nameLookup;
MetricBackend_AMD_perfmon(glretrace::Context* context, MmapAllocator<char> &alloc);
MetricBackend_AMD_perfmon(MetricBackend_AMD_perfmon const&) = delete;
void operator=(MetricBackend_AMD_perfmon const&) = delete;
// test if given set of metrics can be sampled in one pass
bool testMetrics(std::vector<Metric_AMD_perfmon>* metrics);
void freeMonitor(unsigned monitor); // collect metrics data from the monitor
static void populateLookupGroups(unsigned group, int error, void* userData);
static void populateLookupMetrics(Metric* metric, int error, void* userData);
void generatePassesBoundary(QueryBoundary boundary);
public:
bool isSupported() override;
void enumGroups(enumGroupsCallback callback, void* userData = nullptr) override;
void enumMetrics(unsigned group, enumMetricsCallback callback,
void* userData = nullptr) override;
std::unique_ptr<Metric> getMetricById(unsigned groupId, unsigned metricId) override;
std::unique_ptr<Metric> getMetricByName(std::string metricName) override;
std::string getGroupName(unsigned group) override;
int enableMetric(Metric* metric, QueryBoundary pollingRule = QUERY_BOUNDARY_DRAWCALL) override;
unsigned generatePasses() override;
void beginPass() override;
void endPass() override;
void pausePass() override;
void continuePass() override;
void beginQuery(QueryBoundary boundary = QUERY_BOUNDARY_DRAWCALL) override;
void endQuery(QueryBoundary boundary = QUERY_BOUNDARY_DRAWCALL) override;
void enumDataQueryId(unsigned id, enumDataCallback callback,
QueryBoundary boundary,
void* userData = nullptr) override;
unsigned getNumPasses() override;
static MetricBackend_AMD_perfmon& getInstance(glretrace::Context* context,
MmapAllocator<char> &alloc);
};
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