From 140d0df2b8a932fa9d94cbf1bf1337f3b722e471 Mon Sep 17 00:00:00 2001
From: Miguel Pozo <pragma37@gmail.com>
Date: Thu, 8 May 2025 20:23:56 +0200
Subject: [PATCH] Fix: EEVEE: Static Viewport Animation Render

Fix viewport animation renders where there has been no scene updates
between frames.
---
 source/blender/draw/engines/eevee/eevee_instance.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/blender/draw/engines/eevee/eevee_instance.cc b/source/blender/draw/engines/eevee/eevee_instance.cc
index 87a20564320..bd80eb5d607 100644
--- a/source/blender/draw/engines/eevee/eevee_instance.cc
+++ b/source/blender/draw/engines/eevee/eevee_instance.cc
@@ -682,9 +682,11 @@ void Instance::draw_viewport_image_render()
   if (skip_render_) {
     return;
   }
-  while (!sampling.finished_viewport()) {
+
+  do {
+    /* Render at least once to blit the finished image. */
     this->render_sample();
-  }
+  } while (!sampling.finished_viewport());
   velocity.step_swap();
 
   if (is_viewport_compositor_enabled) {