From f278e4138cbd4ba04f0cab99fe3b1407fa573b34 Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Fri, 8 Mar 2024 14:56:32 +0100
Subject: [PATCH] Fix #118016: OpenImageDenoise not using GPU for CPU + GPU
 render

Thanks to Alaska for pointing out the cause of the problem.
---
 intern/cycles/integrator/denoiser_oidn_gpu.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/intern/cycles/integrator/denoiser_oidn_gpu.cpp b/intern/cycles/integrator/denoiser_oidn_gpu.cpp
index 69a1b818525..bc54c3d7edc 100644
--- a/intern/cycles/integrator/denoiser_oidn_gpu.cpp
+++ b/intern/cycles/integrator/denoiser_oidn_gpu.cpp
@@ -30,6 +30,14 @@ CCL_NAMESPACE_BEGIN
 
 bool OIDNDenoiserGPU::is_device_supported(const DeviceInfo &device)
 {
+  if (device.type == DEVICE_MULTI) {
+    for (const DeviceInfo &multi_device : device.multi_devices) {
+      if (multi_device.type != DEVICE_CPU && is_device_supported(multi_device)) {
+        return true;
+      }
+    }
+  }
+
   int device_type = OIDN_DEVICE_TYPE_DEFAULT;
   switch (device.type) {
 #  ifdef OIDN_DEVICE_SYCL