gdi32/tests: Add D3DKMTOpenAdapterFromHdc tests.

dlls/gdi32/tests/driver.c

@@ -35,6 +35,7 @@ static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y'
 
 static NTSTATUS (WINAPI *pD3DKMTCloseAdapter)(const D3DKMT_CLOSEADAPTER *);
 static NTSTATUS (WINAPI *pD3DKMTOpenAdapterFromGdiDisplayName)(D3DKMT_OPENADAPTERFROMGDIDISPLAYNAME *);
+static NTSTATUS (WINAPI *pD3DKMTOpenAdapterFromHdc)(D3DKMT_OPENADAPTERFROMHDC *);
 
 static void test_D3DKMTOpenAdapterFromGdiDisplayName(void)
 {
@@ -90,12 +91,82 @@ static void test_D3DKMTOpenAdapterFromGdiDisplayName(void)
     }
 }
 
+static void test_D3DKMTOpenAdapterFromHdc(void)
+{
+    DISPLAY_DEVICEW display_device = {sizeof(display_device)};
+    D3DKMT_OPENADAPTERFROMHDC open_adapter_hdc_desc;
+    D3DKMT_CLOSEADAPTER close_adapter_desc;
+    INT adapter_count = 0;
+    NTSTATUS status;
+    HDC hdc;
+    DWORD i;
+
+    if (!pD3DKMTOpenAdapterFromHdc || pD3DKMTOpenAdapterFromHdc(NULL) == STATUS_PROCEDURE_NOT_FOUND)
+    {
+        skip("D3DKMTOpenAdapterFromHdc() is unavailable.\n");
+        return;
+    }
+
+    /* Invalid parameters */
+    status = pD3DKMTOpenAdapterFromHdc(NULL);
+    todo_wine ok(status == STATUS_INVALID_PARAMETER, "Got unexpected return code %#x.\n", status);
+
+    memset(&open_adapter_hdc_desc, 0, sizeof(open_adapter_hdc_desc));
+    status = pD3DKMTOpenAdapterFromHdc(&open_adapter_hdc_desc);
+    todo_wine ok(status == STATUS_INVALID_PARAMETER, "Got unexpected return code %#x.\n", status);
+
+    /* Open adapter */
+    for (i = 0; EnumDisplayDevicesW(NULL, i, &display_device, 0); ++i)
+    {
+        if (!(display_device.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP))
+            continue;
+
+        adapter_count++;
+
+        hdc = CreateDCW(0, display_device.DeviceName, 0, NULL);
+        open_adapter_hdc_desc.hDc = hdc;
+        status = pD3DKMTOpenAdapterFromHdc(&open_adapter_hdc_desc);
+        todo_wine ok(status == STATUS_SUCCESS, "Got unexpected return code %#x.\n", status);
+        todo_wine ok(open_adapter_hdc_desc.hAdapter, "Expect not null.\n");
+        if (display_device.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
+            ok(open_adapter_hdc_desc.VidPnSourceId == 0, "Got unexpected value %#x.\n",
+               open_adapter_hdc_desc.VidPnSourceId);
+        else
+            todo_wine ok(open_adapter_hdc_desc.VidPnSourceId, "Got unexpected value %#x.\n",
+                         open_adapter_hdc_desc.VidPnSourceId);
+        DeleteDC(hdc);
+
+        if (status == STATUS_SUCCESS)
+        {
+            close_adapter_desc.hAdapter = open_adapter_hdc_desc.hAdapter;
+            status = pD3DKMTCloseAdapter(&close_adapter_desc);
+            ok(status == STATUS_SUCCESS, "Got unexpected return code %#x.\n", status);
+        }
+    }
+
+    /* HDC covering more than two adapters is invalid for D3DKMTOpenAdapterFromHdc */
+    hdc = GetDC(0);
+    open_adapter_hdc_desc.hDc = hdc;
+    status = pD3DKMTOpenAdapterFromHdc(&open_adapter_hdc_desc);
+    ReleaseDC(0, hdc);
+    todo_wine ok(status == (adapter_count > 1 ? STATUS_INVALID_PARAMETER : STATUS_SUCCESS),
+                 "Got unexpected return code %#x.\n", status);
+    if (status == STATUS_SUCCESS)
+    {
+        close_adapter_desc.hAdapter = open_adapter_hdc_desc.hAdapter;
+        status = pD3DKMTCloseAdapter(&close_adapter_desc);
+        ok(status == STATUS_SUCCESS, "Got unexpected return code %#x.\n", status);
+    }
+}
+
 START_TEST(driver)
 {
     HMODULE gdi32 = GetModuleHandleA("gdi32.dll");
 
     pD3DKMTCloseAdapter = (void *)GetProcAddress(gdi32, "D3DKMTCloseAdapter");
     pD3DKMTOpenAdapterFromGdiDisplayName = (void *)GetProcAddress(gdi32, "D3DKMTOpenAdapterFromGdiDisplayName");
+    pD3DKMTOpenAdapterFromHdc = (void *)GetProcAddress(gdi32, "D3DKMTOpenAdapterFromHdc");
 
     test_D3DKMTOpenAdapterFromGdiDisplayName();
+    test_D3DKMTOpenAdapterFromHdc();
 }