From 33ce17c3fa9041997b81c8e67562791e57b23f64 Mon Sep 17 00:00:00 2001
From: VNC <52937757+VNNCC@users.noreply.github.com>
Date: Fri, 29 Jan 2021 16:18:00 +0100
Subject: [PATCH] Set minimum width and height for texture description in
 motion blur

The calculation `motionVectorsWidth / tileSize` can return a result of 0.

Set minimum width and height to 1.
---
 Source/Engine/Renderer/MotionBlurPass.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Source/Engine/Renderer/MotionBlurPass.cpp b/Source/Engine/Renderer/MotionBlurPass.cpp
index 46b2ccd8f..065a9c53c 100644
--- a/Source/Engine/Renderer/MotionBlurPass.cpp
+++ b/Source/Engine/Renderer/MotionBlurPass.cpp
@@ -339,6 +339,13 @@ void MotionBlurPass::Render(RenderContext& renderContext, GPUTexture*& input, GP
     // Downscale motion vectors texture down to tileSize/tileSize (with max velocity calculation NxN kernel)
     rtDesc.Width = motionVectorsWidth / tileSize;
     rtDesc.Height = motionVectorsHeight / tileSize;
+    
+    if (rtDesc.Width < 1)
+        rtDesc.Width = 1;
+    
+    if (rtDesc.Height < 1)
+        rtDesc.Height = 1;
+
     auto vMaxBuffer = RenderTargetPool::Get(rtDesc);
     context->ResetRenderTarget();
     context->SetRenderTarget(vMaxBuffer->View());