From 31ebccd248410cd8abe6174404319fc6ab7bcab4 Mon Sep 17 00:00:00 2001
From: brunoherbelin <bruno.herbelin@gmail.com>
Date: Sat, 10 Oct 2020 10:48:39 +0200
Subject: [PATCH] Hack to prevent font oversampling for low-memory graphics
 card.

---
 ImGuiToolkit.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ImGuiToolkit.cpp b/ImGuiToolkit.cpp
index 7975ed2..77f24d6 100644
--- a/ImGuiToolkit.cpp
+++ b/ImGuiToolkit.cpp
@@ -751,6 +751,8 @@ void ImGuiToolkit::SetFont(ImGuiToolkit::font_style style, const std::string &tt
     ImFontConfig font_config;
     fontname.copy(font_config.Name, 40);    
     font_config.FontDataOwnedByAtlas = false; // data will be copied in font atlas
+    if ( max * max < 16777216 )  // hack: try to avoid font textures too larges by disabling oversamplig
+        oversample = 1;
     font_config.OversampleH = CLAMP( oversample, 1, 5 );
     font_config.OversampleV = CLAMP( oversample, 1, 5 );