From a9920c886f2272078d53af0cc51718b395f791d2 Mon Sep 17 00:00:00 2001
From: Brandon DeRosier <bdero@google.com>
Date: Thu, 30 Mar 2023 12:17:44 -0700
Subject: [PATCH] [Impeller] Always create at least one RenderPass if the clear
 color has been overridden

---
 impeller/entity/entity_pass.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/impeller/entity/entity_pass.cc b/impeller/entity/entity_pass.cc
index f78ae074b9809..e022bb60215bf 100644
--- a/impeller/entity/entity_pass.cc
+++ b/impeller/entity/entity_pass.cc
@@ -478,6 +478,15 @@ bool EntityPass::OnRender(ContentContext& renderer,
     return false;
   }
 
+  if (!(clear_color_ == Color::BlackTransparent())) {
+    // Force the pass context to create at least one new pass if the clear color
+    // is present. The `EndPass` first ensures that the clear color will get
+    // applied even if this EntityPass is getting collapsed into the parent
+    // pass.
+    pass_context.EndPass();
+    pass_context.GetRenderPass(pass_depth);
+  }
+
   auto render_element = [&stencil_depth_floor, &pass_context, &pass_depth,
                          &renderer, &stencil_coverage_stack,
                          &global_pass_position](Entity& element_entity) {