From bf13f76deaeafa87cf90704d3b5b01cd95476ebf Mon Sep 17 00:00:00 2001
From: Ben Doherty <bendoherty@google.com>
Date: Mon, 18 May 2020 13:17:37 -0700
Subject: [PATCH] Fix, Metal validation error with SSR and post-processing
 turned off (#2550)

---
 filament/backend/src/metal/MetalHandles.mm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/filament/backend/src/metal/MetalHandles.mm b/filament/backend/src/metal/MetalHandles.mm
index 6808ed5d0f..73264f2208 100644
--- a/filament/backend/src/metal/MetalHandles.mm
+++ b/filament/backend/src/metal/MetalHandles.mm
@@ -49,6 +49,8 @@ static inline MTLTextureUsage getMetalTextureUsage(TextureUsage usage) {
 
 MetalSwapChain::MetalSwapChain(id<MTLDevice> device, CAMetalLayer* nativeWindow)
         : layer(nativeWindow) {
+    // Needed so we can use the SwapChain as a blit source.
+    nativeWindow.framebufferOnly = NO;
     layer.device = device;
 }