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TileLayer: use shared_ptr for FrameSpec vector (#6171)

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* TileLayer: use shared_ptr for vector framespec
This reduce memory copy of TileLayer from (4 to 16) * FrameSpec where FrameSpec = (sizeof(int) + 3 * sizeof(ptr)) to int + sizeof(ptr)

Callgrind difference

Before: https://lut.im/RGkiJqQb8T/LeQIEXpAuRzfl7gd.png
After: https://lut.im/bcqmwee1xu/cTwtptY5tRuS9lp0.png

* Fix one push_back to use vector::emplace_back & optimize inclusions
This commit is contained in:
Loïc Blot 2017-07-26 20:12:48 +02:00 • committed by GitHub
parent 9a17b65f26
commit 3e50850260
5 changed files with 14 additions and 14 deletions
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3
src/client/tile.h
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@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <string>
#include <vector>
#include <SMaterial.h>
#include <memory>
#include "util/numeric.h"
class IGameDef;
@ -284,7 +285,7 @@ struct TileLayer
//! If true, the tile has its own color.
bool has_color = false;
std::vector<FrameSpec> frames;
std::shared_ptr<std::vector<FrameSpec>> frames = nullptr;
/*!
* The color of the tile, or if the tile does not own