d3d8/tests: Port test_checkdevicemultisampletype() from d3d9.

dlls/d3d8/tests/device.c

@@ -790,6 +790,61 @@ cleanup:
     DestroyWindow(window);
 }
 
+static void test_checkdevicemultisampletype(void)
+{
+    IDirect3D8 *d3d;
+    HWND window;
+    HRESULT hr;
+
+    window = CreateWindowA("d3d8_test_wc", "d3d8_test", WS_OVERLAPPEDWINDOW,
+            0, 0, 640, 480, NULL, NULL, NULL, NULL);
+    ok(!!window, "Failed to create a window.\n");
+    d3d = Direct3DCreate8(D3D_SDK_VERSION);
+    ok(!!d3d, "Failed to create a D3D object.\n");
+
+    if (IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_X8R8G8B8, TRUE, D3DMULTISAMPLE_2_SAMPLES) == D3DERR_NOTAVAILABLE)
+    {
+        skip("Multisampling not supported for D3DFMT_X8R8G8B8, skipping test.\n");
+        goto cleanup;
+    }
+
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_UNKNOWN, TRUE, D3DMULTISAMPLE_NONE);
+    ok(hr == D3DERR_INVALIDCALL, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            65536, TRUE, D3DMULTISAMPLE_NONE);
+    todo_wine ok(SUCCEEDED(hr), "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_X8R8G8B8, TRUE, D3DMULTISAMPLE_NONE);
+    ok(SUCCEEDED(hr), "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_X8R8G8B8, FALSE, D3DMULTISAMPLE_NONE);
+    ok(SUCCEEDED(hr), "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_X8R8G8B8, TRUE, D3DMULTISAMPLE_2_SAMPLES);
+    ok(SUCCEEDED(hr), "Got unexpected hr %#x.\n", hr);
+
+    /* We assume D3DMULTISAMPLE_15_SAMPLES is never supported in practice. */
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_X8R8G8B8, TRUE, D3DMULTISAMPLE_15_SAMPLES);
+    ok(hr == D3DERR_NOTAVAILABLE, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_X8R8G8B8, TRUE, 65536);
+    ok(hr == D3DERR_INVALIDCALL, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3D8_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_DXT5, TRUE, D3DMULTISAMPLE_2_SAMPLES);
+    ok(hr == D3DERR_NOTAVAILABLE, "Got unexpected hr %#x.\n", hr);
+
+cleanup:
+    IDirect3D8_Release(d3d);
+    DestroyWindow(window);
+}
+
 static void test_cursor(void)
 {
     HMODULE user32_handle = GetModuleHandleA("user32.dll");
@@ -7786,6 +7841,7 @@ START_TEST(device)
     test_swapchain();
     test_refcount();
     test_mipmap_levels();
+    test_checkdevicemultisampletype();
     test_cursor();
     test_cursor_pos();
     test_states();