From 3fbac33ee8d6c66656c13ee19aa3f33787eb4a50 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Tue, 21 Mar 2023 13:18:16 +0900
Subject: [PATCH] [gl] Free alias model cache memory when clearing models

Like sw, gl uses the cache for alias models and thus needs to free the
cache memory when unloading the model.
---
 libs/models/alias/gl_model_alias.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libs/models/alias/gl_model_alias.c b/libs/models/alias/gl_model_alias.c
index 5abc7e4d5..4dee2b98e 100644
--- a/libs/models/alias/gl_model_alias.c
+++ b/libs/models/alias/gl_model_alias.c
@@ -52,6 +52,14 @@
 
 #include "compat.h"
 
+static void
+gl_alias_clear (model_t *m, void *data)
+{
+	m->needload = true;
+
+	Cache_Free (&m->cache);
+}
+
 static void
 gl_Mod_LoadSkin (mod_alias_ctx_t *alias_ctx, byte *texels,
 				 int snum, int gnum, maliasskindesc_t *skindesc)
@@ -124,6 +132,8 @@ gl_Mod_FinalizeAliasModel (mod_alias_ctx_t *alias_ctx)
 		header->mdl.scale_origin[2] -= (22 + 8);
 		VectorScale (header->mdl.scale, 2, header->mdl.scale);
 	}
+
+	alias_ctx->mod->clear = gl_alias_clear;
 }
 
 static void