From 316ab639502d6c119c35009b619b05456995f12d Mon Sep 17 00:00:00 2001
From: Tobias Markus <tobbi.bugs@googlemail.com>
Date: Sun, 17 Oct 2021 00:53:26 +0200
Subject: [PATCH] Reserve space for vectors before drawing

#1301 #1851
---
 src/video/gl/gl_painter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/gl/gl_painter.cpp b/src/video/gl/gl_painter.cpp
index 5bdeb4cee61..7614cacb2ba 100644
--- a/src/video/gl/gl_painter.cpp
+++ b/src/video/gl/gl_painter.cpp
@@ -77,6 +77,10 @@ GLPainter::draw_texture(const TextureRequest& request)
 
   std::vector<float> vertices;
   std::vector<float> uvs;
+
+  vertices.reserve(request.srcrects.size() * 12);
+  uvs.reserve(request.srcrects.size() * 12);
+
   for (size_t i = 0; i < request.srcrects.size(); ++i)
   {
     const float left = request.dstrects[i].get_left();