[PATCH] d3d9: Allow setting maximum frame latency parameter.

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
---
 dlls/d3d9/device.c       | 23 ++++++++++++++++++-----
 dlls/d3d9/tests/d3d9ex.c | 10 +++-------
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 2134257543..967a472a06 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -3762,21 +3762,34 @@ static HRESULT WINAPI d3d9_device_CheckResourceResidency(IDirect3DDevice9Ex *ifa
 
 static HRESULT WINAPI d3d9_device_SetMaximumFrameLatency(IDirect3DDevice9Ex *iface, UINT max_latency)
 {
+    struct d3d9_device *device = impl_from_IDirect3DDevice9Ex(iface);
+
     TRACE("iface %p, max_latency %u.\n", iface, max_latency);
 
-    if (max_latency)
-        FIXME("Ignoring max_latency %u.\n", max_latency);
+    if (max_latency > 30)
+        return D3DERR_INVALIDCALL;
+
+    wined3d_mutex_lock();
+    wined3d_device_set_max_frame_latency(device->wined3d_device, max_latency);
+    wined3d_mutex_unlock();
 
     return S_OK;
 }
 
 static HRESULT WINAPI d3d9_device_GetMaximumFrameLatency(IDirect3DDevice9Ex *iface, UINT *max_latency)
 {
-    FIXME("iface %p, max_latency %p stub!\n", iface, max_latency);
+    struct d3d9_device *device = impl_from_IDirect3DDevice9Ex(iface);
+    UINT latency;
 
-    *max_latency = 2;
+    TRACE("iface %p, max_latency %p.\n", iface, max_latency);
 
-    return E_NOTIMPL;
+    wined3d_mutex_lock();
+    latency = wined3d_device_get_max_frame_latency(device->wined3d_device);
+    wined3d_mutex_unlock();
+
+    *max_latency = latency;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI d3d9_device_CheckDeviceState(IDirect3DDevice9Ex *iface, HWND dst_window)
diff --git a/dlls/d3d9/tests/d3d9ex.c b/dlls/d3d9/tests/d3d9ex.c
index 7c36e6ee64..d210b8baed 100644
--- a/dlls/d3d9/tests/d3d9ex.c
+++ b/dlls/d3d9/tests/d3d9ex.c
@@ -4060,31 +4060,27 @@ static void test_frame_latency(void)
     }
 
     hr = IDirect3DDevice9Ex_GetMaximumFrameLatency(device, &latency);
-todo_wine {
     ok(SUCCEEDED(hr), "Failed to get max frame latency, hr %#x.\n", hr);
     ok(latency == 3, "Unexpected default max frame latency %u.\n", latency);
-}
+
     hr = IDirect3DDevice9Ex_SetMaximumFrameLatency(device, 1);
     ok(SUCCEEDED(hr), "Failed to set max frame latency, hr %#x.\n", hr);
 
     hr = IDirect3DDevice9Ex_GetMaximumFrameLatency(device, &latency);
-todo_wine {
     ok(SUCCEEDED(hr), "Failed to get max frame latency, hr %#x.\n", hr);
     ok(latency == 1, "Unexpected max frame latency %u.\n", latency);
-}
+
     hr = IDirect3DDevice9Ex_SetMaximumFrameLatency(device, 0);
     ok(SUCCEEDED(hr), "Failed to set max frame latency, hr %#x.\n", hr);
 
     hr = IDirect3DDevice9Ex_GetMaximumFrameLatency(device, &latency);
-todo_wine {
     ok(SUCCEEDED(hr), "Failed to get max frame latency, hr %#x.\n", hr);
     ok(latency == 3, "Unexpected default max frame latency %u.\n", latency);
-}
+
     hr = IDirect3DDevice9Ex_SetMaximumFrameLatency(device, 30);
     ok(SUCCEEDED(hr), "Failed to set max frame latency, hr %#x.\n", hr);
 
     hr = IDirect3DDevice9Ex_SetMaximumFrameLatency(device, 31);
-todo_wine
     ok(hr == D3DERR_INVALIDCALL, "Unexpected hr %#x.\n", hr);
 
     refcount = IDirect3DDevice9Ex_Release(device);
-- 
2.17.0