From 726e4616db128b11e3b12403210298f5b00a59da Mon Sep 17 00:00:00 2001
From: Denis Pauk <pauk.denis@gmail.com>
Date: Sun, 22 Dec 2024 00:53:22 +0200
Subject: [PATCH] renders: dynamic allocate buffer in *_MarkLeaves

---
 src/client/refresh/gl1/gl1_surf.c |  9 ++++++++-
 src/client/refresh/gl3/gl3_surf.c | 17 +++++++++++++----
 src/client/refresh/gl4/gl4_surf.c | 17 +++++++++++++----
 src/client/refresh/vk/vk_surf.c   |  9 ++++++++-
 4 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/src/client/refresh/gl1/gl1_surf.c b/src/client/refresh/gl1/gl1_surf.c
index 6437b253..0ab484c6 100644
--- a/src/client/refresh/gl1/gl1_surf.c
+++ b/src/client/refresh/gl1/gl1_surf.c
@@ -1242,7 +1242,7 @@ void
 R_MarkLeaves(void)
 {
 	const byte *vis;
-	YQ2_ALIGNAS_TYPE(int) byte fatvis[MAX_MAP_LEAFS / 8];
+	byte *fatvis = NULL;
 	mnode_t *node;
 	int i;
 	mleaf_t *leaf;
@@ -1289,6 +1289,7 @@ R_MarkLeaves(void)
 	{
 		int c;
 
+		fatvis = malloc(((r_worldmodel->numleafs + 31) / 32) * sizeof(int));
 		memcpy(fatvis, vis, (r_worldmodel->numleafs + 7) / 8);
 		vis = Mod_ClusterPVS(r_viewcluster2, r_worldmodel);
 		c = (r_worldmodel->numleafs + 31) / 32;
@@ -1331,4 +1332,10 @@ R_MarkLeaves(void)
 			while (node);
 		}
 	}
+
+	/* clean combined buffer */
+	if (fatvis)
+	{
+		free(fatvis);
+	}
 }
diff --git a/src/client/refresh/gl3/gl3_surf.c b/src/client/refresh/gl3/gl3_surf.c
index 4e602efe..6200d0ed 100644
--- a/src/client/refresh/gl3/gl3_surf.c
+++ b/src/client/refresh/gl3/gl3_surf.c
@@ -797,11 +797,10 @@ void
 GL3_MarkLeaves(void)
 {
 	const byte *vis;
-	YQ2_ALIGNAS_TYPE(int) byte fatvis[MAX_MAP_LEAFS / 8];
+	byte *fatvis = NULL;
 	mnode_t *node;
-	int i, c;
+	int i;
 	mleaf_t *leaf;
-	int cluster;
 
 	if ((gl3_oldviewcluster == gl3_viewcluster) &&
 		(gl3_oldviewcluster2 == gl3_viewcluster2) &&
@@ -843,6 +842,9 @@ GL3_MarkLeaves(void)
 	/* may have to combine two clusters because of solid water boundaries */
 	if (gl3_viewcluster2 != gl3_viewcluster)
 	{
+		int c;
+
+		fatvis = malloc(((gl3_worldmodel->numleafs + 31) / 32) * sizeof(int));
 		memcpy(fatvis, vis, (gl3_worldmodel->numleafs + 7) / 8);
 		vis = GL3_Mod_ClusterPVS(gl3_viewcluster2, gl3_worldmodel);
 		c = (gl3_worldmodel->numleafs + 31) / 32;
@@ -859,6 +861,8 @@ GL3_MarkLeaves(void)
 		 i < gl3_worldmodel->numleafs;
 		 i++, leaf++)
 	{
+		int cluster;
+
 		cluster = leaf->cluster;
 
 		if (cluster == -1)
@@ -883,5 +887,10 @@ GL3_MarkLeaves(void)
 			while (node);
 		}
 	}
-}
 
+	/* clean combined buffer */
+	if (fatvis)
+	{
+		free(fatvis);
+	}
+}
diff --git a/src/client/refresh/gl4/gl4_surf.c b/src/client/refresh/gl4/gl4_surf.c
index 618c1235..60d95ec4 100644
--- a/src/client/refresh/gl4/gl4_surf.c
+++ b/src/client/refresh/gl4/gl4_surf.c
@@ -794,11 +794,10 @@ void
 GL4_MarkLeaves(void)
 {
 	const byte *vis;
-	YQ2_ALIGNAS_TYPE(int) byte fatvis[MAX_MAP_LEAFS / 8];
+	byte *fatvis = NULL;
 	mnode_t *node;
-	int i, c;
+	int i;
 	mleaf_t *leaf;
-	int cluster;
 
 	if ((gl4_oldviewcluster == gl4_viewcluster) &&
 		(gl4_oldviewcluster2 == gl4_viewcluster2) &&
@@ -840,6 +839,9 @@ GL4_MarkLeaves(void)
 	/* may have to combine two clusters because of solid water boundaries */
 	if (gl4_viewcluster2 != gl4_viewcluster)
 	{
+		int c;
+
+		fatvis = malloc(((gl4_worldmodel->numleafs + 31) / 32) * sizeof(int));
 		memcpy(fatvis, vis, (gl4_worldmodel->numleafs + 7) / 8);
 		vis = GL4_Mod_ClusterPVS(gl4_viewcluster2, gl4_worldmodel);
 		c = (gl4_worldmodel->numleafs + 31) / 32;
@@ -856,6 +858,8 @@ GL4_MarkLeaves(void)
 		 i < gl4_worldmodel->numleafs;
 		 i++, leaf++)
 	{
+		int cluster;
+
 		cluster = leaf->cluster;
 
 		if (cluster == -1)
@@ -880,5 +884,10 @@ GL4_MarkLeaves(void)
 			while (node);
 		}
 	}
-}
 
+	/* clean combined buffer */
+	if (fatvis)
+	{
+		free(fatvis);
+	}
+}
diff --git a/src/client/refresh/vk/vk_surf.c b/src/client/refresh/vk/vk_surf.c
index af9a7825..9ca390c2 100644
--- a/src/client/refresh/vk/vk_surf.c
+++ b/src/client/refresh/vk/vk_surf.c
@@ -811,7 +811,7 @@ void
 R_MarkLeaves(void)
 {
 	const byte *vis;
-	YQ2_ALIGNAS_TYPE(int) byte fatvis[MAX_MAP_LEAFS / 8];
+	byte *fatvis = NULL;
 	mnode_t *node;
 	int i;
 	mleaf_t *leaf;
@@ -858,6 +858,7 @@ R_MarkLeaves(void)
 	{
 		int c;
 
+		fatvis = malloc(((r_worldmodel->numleafs + 31) / 32) * sizeof(int));
 		memcpy(fatvis, vis, (r_worldmodel->numleafs + 7) / 8);
 		vis = Mod_ClusterPVS(r_viewcluster2, r_worldmodel);
 		c = (r_worldmodel->numleafs + 31) / 32;
@@ -900,4 +901,10 @@ R_MarkLeaves(void)
 			while (node);
 		}
 	}
+
+	/* clean combined buffer */
+	if (fatvis)
+	{
+		free(fatvis);
+	}
 }