From bed612a848b19b685bc2a27ccb37a362e1537418 Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Thu, 27 Jan 2022 21:12:44 -0800
Subject: [PATCH] fix case where no workgroups are dispatched

---
 src/SpriteBatch.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SpriteBatch.cs b/src/SpriteBatch.cs
index 6d82a0c..4cf983e 100644
--- a/src/SpriteBatch.cs
+++ b/src/SpriteBatch.cs
@@ -148,7 +148,7 @@ namespace MoonWorksComputeSpriteBatch
             {
                 VertexCount = VertexCount
             });
-            commandBuffer.DispatchCompute(VertexCount / 256, 1, 1, offset);
+            commandBuffer.DispatchCompute(System.Math.Max(1, VertexCount / 256), 1, 1, offset);
 
             commandBuffer.BeginRenderPass(renderPass, framebuffer, renderArea, Vector4.Zero);
             commandBuffer.BindGraphicsPipeline(graphicsPipeline);