[PATCH 09/15] dxgi: Implement d3d12_swapchain_SetMaximumFrameLatency().

[Henri Verbeet]

From: Philip Rebohle <philip.rebohle at tu-dortmund.de>

Signed-off-by: Philip Rebohle <philip.rebohle at tu-dortmund.de>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
This supersedes patch 183593.
Change the other FIXME to WARN as well.

 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 c13868fdc2d..8e0f2b2239b 100644
--- a/dlls/dxgi/swapchain.c
+++ b/dlls/dxgi/swapchain.c
@@ -2608,9 +2608,24 @@ static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetSourceSize(IDXGISwapChain3 *
 
 static HRESULT STDMETHODCALLTYPE d3d12_swapchain_SetMaximumFrameLatency(IDXGISwapChain3 *iface, UINT max_latency)
 {
-    FIXME("iface %p, max_latency %u stub!\n", iface, max_latency);
+    struct d3d12_swapchain *swapchain = d3d12_swapchain_from_IDXGISwapChain3(iface);
 
-    return E_NOTIMPL;
+    TRACE("iface %p, max_latency %u.\n", iface, max_latency);
+
+    if (!(swapchain->desc.Flags & DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT))
+    {
+        WARN("DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT not set for swap chain %p.\n", iface);
+        return DXGI_ERROR_INVALID_CALL;
+    }
+
+    if (!max_latency)
+    {
+        WARN("Invalid maximum frame latency %u.\n", max_latency);
+        return DXGI_ERROR_INVALID_CALL;
+    }
+
+    swapchain->frame_latency = max_latency;
+    return S_OK;
 }
 
 static HRESULT STDMETHODCALLTYPE d3d12_swapchain_GetMaximumFrameLatency(IDXGISwapChain3 *iface, UINT *max_latency)
-- 
2.20.1