[PATCH 2/2] dxgi: Implement d3d12_swapchain_ResizeTarget().

[Conor McCarthy]

Signed-off-by: Conor McCarthy <cmccarthy at codeweavers.com>
---
 dlls/dxgi/swapchain.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/dlls/dxgi/swapchain.c b/dlls/dxgi/swapchain.c
index b060a30..86659d4 100644
--- a/dlls/dxgi/swapchain.c
+++ b/dlls/dxgi/swapchain.c
@@ -2286,9 +2286,24 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_ResizeBuffers(IDXGISwapChain3 *
 static HRESULT STDMETHODCALLTYPE d3d12_swapchain_ResizeTarget(IDXGISwapChain3 *iface,
         const DXGI_MODE_DESC *target_mode_desc)
 {
-    FIXME("iface %p, target_mode_desc %p stub!\n", iface, target_mode_desc);
+    struct DXGI_SWAP_CHAIN_DESC swap_chain_desc;
 
-    return E_NOTIMPL;
+    TRACE("iface %p, target_mode_desc %p.\n", iface, target_mode_desc);
+
+    if (!target_mode_desc)
+    {
+        WARN("Invalid pointer.\n");
+        return DXGI_ERROR_INVALID_CALL;
+    }
+
+    TRACE("Mode: %s.\n", debug_dxgi_mode(target_mode_desc));
+
+    if (target_mode_desc->Scaling)
+        FIXME("Ignoring scaling %#x.\n", target_mode_desc->Scaling);
+
+    d3d12_swapchain_GetDesc(iface, &swap_chain_desc);
+
+    return dxgi_resize_target((IDXGISwapChain1 *)iface, &swap_chain_desc, target_mode_desc);
 }
 
 static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetContainingOutput(IDXGISwapChain3 *iface,
-- 
2.21.0