From 71a9bf976ab678a0a17a6722f35f6b6f1f892290 Mon Sep 17 00:00:00 2001
From: Daniel Scharrer <daniel@constexpr.org>
Date: Tue, 11 Jan 2022 22:48:51 +0100
Subject: [PATCH] ArxGame: Disable color keying for particles that don't need
 it

Fixes: issue #1595 (for fog, fire smoke, water and lava)
---
 CHANGELOG            | 4 ++++
 src/core/ArxGame.cpp | 8 ++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index ec1290c3a5..0788eb7af7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -38,6 +38,10 @@ Debugging:
 
 * Added a new entity visibility debug HUD under F11
 
+Performance:
+
+* Fixed excessively slow performance with "Crisp" alpha cutout antialiasing (bug #1595)
+
 ################################################################################
 
 = Arx Libertatis 1.2 "Mega Mega Mega"  (2021-07-13) =
diff --git a/src/core/ArxGame.cpp b/src/core/ArxGame.cpp
index 3ff2710455..5eb93b5a8c 100644
--- a/src/core/ArxGame.cpp
+++ b/src/core/ArxGame.cpp
@@ -520,14 +520,14 @@ static void LoadSysTextures() {
 
 	spellDataInit();
 
-	enviro = TextureContainer::LoadUI("graph/particles/enviro");
+	enviro = TextureContainer::LoadUI("graph/particles/enviro", TextureContainer::NoColorKey);
 	
 	ARX_INTERFACE_DrawNumberInit();
 	initLightFlares();
 	ombrignon = TextureContainer::LoadUI("graph/particles/ombrignon");
-	TC_fire = TextureContainer::LoadUI("graph/particles/fire");
-	TC_fire2 = TextureContainer::LoadUI("graph/particles/fire2");
-	TC_smoke = TextureContainer::LoadUI("graph/particles/smoke");
+	TC_fire = TextureContainer::LoadUI("graph/particles/fire", TextureContainer::NoColorKey);
+	TC_fire2 = TextureContainer::LoadUI("graph/particles/fire2", TextureContainer::NoColorKey);
+	TC_smoke = TextureContainer::LoadUI("graph/particles/smoke", TextureContainer::NoColorKey);
 	Boom = TextureContainer::LoadUI("graph/particles/boom");
 	arx_logo_tc = TextureContainer::LoadUI("graph/interface/icons/arx_logo_32");