CalcSurfaceExtents: MAX_SURFACE_TEXTURE_SIZE limit increased from 256…

… to 512
rehlds · Sep 24, 2024 · b29740c · b29740c
1 parent 7073363
commit b29740c
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/rehlds/engine/model.cpp b/rehlds/engine/model.cpp
@@ -891,7 +891,7 @@ void CalcSurfaceExtents(msurface_t *s)
 
 		s->texturemins[i] = bmins[i] * 16;
 		s->extents[i] = (bmaxs[i] - bmins[i]) * 16;
-		if (!(tex->flags & TEX_SPECIAL) && s->extents[i] > 256)
+		if (!(tex->flags & TEX_SPECIAL) && s->extents[i] > MAX_SURFACE_TEXTURE_SIZE)
 			Sys_Error("%s: Bad surface extents", __func__);
 	}
 }

diff --git a/rehlds/public/rehlds/model.h b/rehlds/public/rehlds/model.h
@@ -144,6 +144,13 @@ struct msurface_s
 	// surface generation data
 	struct surfcache_s *cachespots[MIPLEVELS];
 
+	// Maximum s/t texture size on the surface
+#if defined(GLQUAKE) || defined(SWDS)
+	#define MAX_SURFACE_TEXTURE_SIZE 512
+#else
+	#define MAX_SURFACE_TEXTURE_SIZE 256 // Software rendering is limited to 256
+#endif
+
 	short			texturemins[2]; // smallest s/t position on the surface.
 	short			extents[2];		// ?? s/t texture size, 1..256 for all non-sky surfaces