From 353d963c774bcde3330b612f0526871900ccde52 Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Sun, 2 Feb 2025 19:00:26 +0900
Subject: [PATCH] d3d12mipgen: Respect requested mip levels

Don't waste GPU power by generating more levels than requested

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8394>
---
 .../gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12mipgen.cpp     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12mipgen.cpp b/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12mipgen.cpp
index 939fcb029f..c9cd8ec9ad 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12mipgen.cpp
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12mipgen.cpp
@@ -429,8 +429,10 @@ gst_d3d12_mip_gen_execute_full (GstD3D12MipGen * gen, ID3D12Resource * resource,
 
   auto priv = gen->priv;
 
-  if (!gst_d3d12_mip_gen_execute_internal (gen, resource, fence_data, cl, 0))
+  if (!gst_d3d12_mip_gen_execute_internal (gen,
+          resource, fence_data, cl, mip_levels)) {
     return FALSE;
+  }
 
   priv->barriers.resize (0);
   for (size_t i = 1; i < priv->resource_states.size (); i++) {