eu07/maszyna
16
0
Fork 0
mirror of https://github.com/MaSzyna-EU07/maszyna.git synced 2026-07-21 18:19:19 +02:00
Code Issues 123 Wiki Activity

texture garbage collection, removed fixed binding with world camera in world render, cap on minimal volume held by reservoirs

Browse Source
This commit is contained in:
tmj-fstate
2017-07-02 21:24:29 +02:00
parent 534a49b636
commit d3b812ee9f
13 changed files with 301 additions and 199 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
ResourceManager.h
View File

@@ -7,14 +7,11 @@ obtain one at
http://mozilla.org/MPL/2.0/.
*/
#ifndef RESOURCEMANAGER_H
#define RESOURCEMANAGER_H 1
#pragma once
/*
#include <vector>
#include <algorithm>
#pragma hdrstop
class Resource
{
@@ -57,5 +54,63 @@ class ResourceManager
static Resources _resources;
};
*/
#endif
template <class Container_>
class garbage_collector {
public:
// constructor:
garbage_collector( Container_ &Container, int const Secondstolive, int const Sweepsize, std::string const Resourcename = "resource" ) :
m_container( Container ),
m_unusedresourcetimetolive { std::chrono::seconds( Secondstolive ) },
m_unusedresourcesweepsize( Sweepsize ),
m_resourcename( Resourcename )
{}
// methods:
// performs resource sweep. returns: number of released resources
int
sweep() {
m_resourcetimestamp = std::chrono::steady_clock::now();
// garbage collection sweep is limited to a number of records per call, to reduce impact on framerate
auto const sweeplastindex =
std::min(
m_resourcesweepindex + m_unusedresourcesweepsize,
m_container.size() );
auto const blanktimestamp { std::chrono::steady_clock::time_point() };
int releasecount{ 0 };
for( auto resourceindex = m_resourcesweepindex; resourceindex < sweeplastindex; ++resourceindex ) {
if( ( m_container[ resourceindex ].second != blanktimestamp )
&& ( m_resourcetimestamp - m_container[ resourceindex ].second > m_unusedresourcetimetolive ) ) {
m_container[ resourceindex ].first->release();
m_container[ resourceindex ].second = blanktimestamp;
++releasecount;
}
}
/*
if( releasecount ) {
WriteLog( "Resource garbage sweep released " + std::to_string( releasecount ) + " " + ( releasecount == 1 ? m_resourcename : m_resourcename + "s" ) );
}
*/
m_resourcesweepindex = (
m_resourcesweepindex + m_unusedresourcesweepsize >= m_container.size() ?
0 : // if the next sweep chunk is beyond actual data, so start anew
m_resourcesweepindex + m_unusedresourcesweepsize );
return releasecount; }
std::chrono::steady_clock::time_point
timestamp() const {
return m_resourcetimestamp; }
private:
// members:
std::chrono::nanoseconds const m_unusedresourcetimetolive;
typename Container_::size_type const m_unusedresourcesweepsize;
std::string const m_resourcename;
typename Container_ &m_container;
typename Container_::size_type m_resourcesweepindex { 0 };
std::chrono::steady_clock::time_point m_resourcetimestamp { std::chrono::steady_clock::now() };
};