From b7e6e50dd239ffc9f8c440bd5fe9b43c8dd550d5 Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Wed, 24 Nov 2021 11:29:27 +0200
Subject: [macOS / iOS] Use non atomic operation to store facing bits on
 MoltenVK.

---
 servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl
index 8e33610ae2..e4628b2d5a 100644
--- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl
+++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl
@@ -1757,7 +1757,11 @@ void main() {
 			}
 		}
 
+#ifdef MOLTENVK_USED
+		imageStore(geom_facing_grid, grid_pos, uvec4(imageLoad(geom_facing_grid, grid_pos).r | facing_bits)); //store facing bits
+#else
 		imageAtomicOr(geom_facing_grid, grid_pos, facing_bits); //store facing bits
+#endif
 
 		if (length(emission) > 0.001) {
 			float lumas[6];
-- 
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