TileLayer: use shared_ptr for FrameSpec vector (#6171)

* 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
master
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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@ -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

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@ -18,17 +18,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#include "mapblock_mesh.h"
#include "light.h"
#include "mapblock.h"
#include "map.h"
#include "profiler.h"
#include "nodedef.h"
#include "mesh.h"
#include "minimap.h"
#include "content_mapblock.h"
#include "noise.h"
#include "shader.h"
#include "settings.h"
#include "util/directiontables.h"
#include "client/renderingengine.h"
@ -602,7 +597,8 @@ static void makeFastFace(const TileSpec &tile, u16 li0, u16 li1, u16 li2, u16 li
if (layer->texture_id == 0)
continue;
dest.push_back(FastFace());
// equivalent to dest.push_back(FastFace()) but faster
dest.emplace_back();
FastFace& face = *dest.rbegin();
for (u8 i = 0; i < 4; i++) {
@ -1126,7 +1122,7 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
m_animation_frame_offsets[std::pair<u8, u32>(layer, i)] = 0;
}
// Replace tile texture with the first animation frame
p.layer.texture = p.layer.frames[0].texture;
p.layer.texture = (*p.layer.frames)[0].texture;
}
if (!m_enable_shaders) {
@ -1314,7 +1310,7 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
scene::IMeshBuffer *buf = m_mesh[i->first.first]->
getMeshBuffer(i->first.second);
const FrameSpec &animation_frame = tile.frames[frame];
const FrameSpec &animation_frame = (*tile.frames)[frame];
buf->getMaterial().setTexture(0, animation_frame.texture);
if (m_enable_shaders) {
if (animation_frame.normal_texture) {

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@ -637,7 +637,10 @@ void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileLayer *tile,
tile->material_flags &= ~MATERIAL_FLAG_ANIMATION;
} else {
std::ostringstream os(std::ios::binary);
tile->frames.resize(frame_count);
if (!tile->frames) {
tile->frames = std::make_shared<std::vector<FrameSpec>>();
}
tile->frames->resize(frame_count);
for (int i = 0; i < frame_count; i++) {
@ -652,7 +655,7 @@ void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileLayer *tile,
if (tile->normal_texture)
frame.normal_texture = tsrc->getNormalTexture(os.str());
frame.flags_texture = tile->flags_texture;
tile->frames[i] = frame;
(*tile->frames)[i] = frame;
}
}
}

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@ -631,7 +631,7 @@ void ParticleManager::addNodeParticle(IGameDef* gamedef,
// Only use first frame of animated texture
if (tile.material_flags & MATERIAL_FLAG_ANIMATION)
texture = tile.frames[0].texture;
texture = (*tile.frames)[0].texture;
else
texture = tile.texture;

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@ -593,7 +593,7 @@ void postProcessNodeMesh(scene::SMesh *mesh, const ContentFeatures &f,
material.MaterialType = *mattype;
}
if (layer->animation_frame_count > 1) {
FrameSpec animation_frame = layer->frames[0];
const FrameSpec &animation_frame = (*layer->frames)[0];
material.setTexture(0, animation_frame.texture);
} else {
material.setTexture(0, layer->texture);
@ -601,7 +601,7 @@ void postProcessNodeMesh(scene::SMesh *mesh, const ContentFeatures &f,
if (use_shaders) {
if (layer->normal_texture) {
if (layer->animation_frame_count > 1) {
FrameSpec animation_frame = layer->frames[0];
const FrameSpec &animation_frame = (*layer->frames)[0];
material.setTexture(1, animation_frame.normal_texture);
} else
material.setTexture(1, layer->normal_texture);