[PATCH 2/5] d3d11/tests: Test creating and rendering to a swapchain on the desktop window.

[Zebediah Figura]

From: Zebediah Figura

Signed-off-by: Zebediah Figura 
---
 dlls/d3d11/tests/d3d11.c | 43 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/dlls/d3d11/tests/d3d11.c b/dlls/d3d11/tests/d3d11.c
index e8c2f649f80b..ad7060412c8e 100644
--- a/dlls/d3d11/tests/d3d11.c
+++ b/dlls/d3d11/tests/d3d11.c
@@ -29290,6 +29290,47 @@ static void test_standard_pattern(void)
     release_test_context(&test_context);
 }

+static void test_desktop_window(void)
+{
+    ID3D11RenderTargetView *backbuffer_rtv;
+    ID3D11DeviceContext *context;
+    ID3D11Texture2D *backbuffer;
+    IDXGISwapChain *swapchain;
+    ID3D11Device *device;
+    ULONG refcount;
+    HRESULT hr;
+
+    static const float red[] = {1.0f, 0.0f, 0.0f, 1.0f};
+
+    if (!(device = create_device(NULL)))
+    {
+        skip("Failed to create device.\n");
+        return;
+    }
+
+    swapchain = create_swapchain(device, GetDesktopWindow(), NULL);
+    hr = IDXGISwapChain_GetBuffer(swapchain, 0, &IID_ID3D11Texture2D, (void **)&backbuffer);
+    ok(SUCCEEDED(hr), "Failed to get buffer, hr %#x.\n", hr);
+
+    hr = ID3D11Device_CreateRenderTargetView(device, (ID3D11Resource *)backbuffer, NULL, &backbuffer_rtv);
+    ok(SUCCEEDED(hr), "Failed to create rendertarget view, hr %#x.\n", hr);
+
+    ID3D11Device_GetImmediateContext(device, &context);
+
+    ID3D11DeviceContext_ClearRenderTargetView(context, backbuffer_rtv, red);
+    check_texture_color(backbuffer, 0xff0000ff, 1);
+
+    hr = IDXGISwapChain_Present(swapchain, 0, 0);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+
+    ID3D11RenderTargetView_Release(backbuffer_rtv);
+    ID3D11Texture2D_Release(backbuffer);
+    IDXGISwapChain_Release(swapchain);
+    ID3D11DeviceContext_Release(context);
+    refcount = ID3D11Device_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+}
+
 START_TEST(d3d11)
 {
     unsigned int argc, i;
@@ -29449,5 +29490,7 @@ START_TEST(d3d11)
     queue_test(test_render_a8);
     queue_test(test_standard_pattern);

+    test_desktop_window();
+
     run_queued_tests();
 }