From 46320c6238ab6acfecbb09b9da0fe2321625bb9b Mon Sep 17 00:00:00 2001
From: Aaron Hill <aa1ronham@gmail.com>
Date: Sat, 28 Oct 2023 20:18:52 -0400
Subject: [PATCH] wgpu: Round down Context3D sample count to nearest power of 2
 (#13762)

---
 render/wgpu/src/context3d/mod.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/render/wgpu/src/context3d/mod.rs b/render/wgpu/src/context3d/mod.rs
index 54645612645a..4e8a96c7377a 100644
--- a/render/wgpu/src/context3d/mod.rs
+++ b/render/wgpu/src/context3d/mod.rs
@@ -545,6 +545,12 @@ impl Context3D for WgpuContext3D {
                 if sample_count == 0 {
                     sample_count = 1;
                 }
+                let next_pot = sample_count.next_power_of_two();
+                if sample_count != next_pot {
+                    // Round down to nearest power of 2
+                    sample_count = next_pot / 2;
+                }
+
                 let texture_label = create_debug_label!("Render target texture");
                 let format = wgpu::TextureFormat::Rgba8Unorm;