[PATCH] ddraw/tests: Add a test for the "GDI" surface.

Henri Verbeet hverbeet at codeweavers.com
Thu Jan 17 07:58:40 CST 2019


Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
 dlls/ddraw/tests/ddraw1.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++
 dlls/ddraw/tests/ddraw2.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++
 dlls/ddraw/tests/ddraw4.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++
 dlls/ddraw/tests/ddraw7.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 364 insertions(+)

diff --git a/dlls/ddraw/tests/ddraw1.c b/dlls/ddraw/tests/ddraw1.c
index d36120426f9..d52fc313c4b 100644
--- a/dlls/ddraw/tests/ddraw1.c
+++ b/dlls/ddraw/tests/ddraw1.c
@@ -12013,6 +12013,96 @@ static void test_killfocus(void)
     UnregisterClassA("ddraw_killfocus_wndproc_wc", GetModuleHandleA(NULL));
 }
 
+static void test_gdi_surface(void)
+{
+    IDirectDrawSurface *primary, *backbuffer, *gdi_surface;
+    DDSCAPS caps = {DDSCAPS_BACKBUFFER};
+    DDSURFACEDESC surface_desc;
+    IDirectDraw *ddraw;
+    ULONG refcount;
+    HWND window;
+    HRESULT hr;
+
+    window = create_window();
+    ddraw = create_ddraw();
+    ok(!!ddraw, "Failed to create a ddraw object.\n");
+    hr = IDirectDraw_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    /* Retrieving the GDI surface requires a primary surface to exist. */
+    gdi_surface = (void *)0xc0dec0de;
+    hr = IDirectDraw_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+    ok(!gdi_surface, "Got unexpected surface %p.\n", gdi_surface);
+
+    hr = IDirectDraw_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
+    hr = IDirectDraw_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    /* Flipping to the GDI surface requires the primary surface to be
+     * flippable. */
+    hr = IDirectDraw_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFLIPPABLE, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface_Release(primary);
+
+    hr = IDirectDraw_SetCooperativeLevel(ddraw, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
+    U5(surface_desc).dwBackBufferCount = 1;
+    hr = IDirectDraw_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface_GetAttachedSurface(primary, &caps, &backbuffer);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(backbuffer != primary, "Got unexpected backbuffer %p.\n", backbuffer);
+
+    hr = IDirectDraw_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    hr = IDirectDrawSurface_Flip(primary, NULL, DDFLIP_WAIT);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDraw_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    todo_wine ok(gdi_surface == backbuffer || broken(gdi_surface == primary),
+            "Got unexpected surface %p, expected %p.\n", gdi_surface, backbuffer);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    hr = IDirectDraw_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    hr = IDirectDraw_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface_Release(backbuffer);
+    IDirectDrawSurface_Release(primary);
+
+    refcount = IDirectDraw_Release(ddraw);
+    ok(!refcount, "%u references left.\n", refcount);
+    DestroyWindow(window);
+}
+
 START_TEST(ddraw1)
 {
     DDDEVICEIDENTIFIER identifier;
@@ -12119,4 +12209,5 @@ START_TEST(ddraw1)
     test_viewport();
     test_find_device();
     test_killfocus();
+    test_gdi_surface();
 }
diff --git a/dlls/ddraw/tests/ddraw2.c b/dlls/ddraw/tests/ddraw2.c
index 7cbfce056fd..bacc35d31d8 100644
--- a/dlls/ddraw/tests/ddraw2.c
+++ b/dlls/ddraw/tests/ddraw2.c
@@ -13314,6 +13314,96 @@ static void test_killfocus(void)
     UnregisterClassA("ddraw_killfocus_wndproc_wc", GetModuleHandleA(NULL));
 }
 
+static void test_gdi_surface(void)
+{
+    IDirectDrawSurface *primary, *backbuffer, *gdi_surface;
+    DDSCAPS caps = {DDSCAPS_BACKBUFFER};
+    DDSURFACEDESC surface_desc;
+    IDirectDraw2 *ddraw;
+    ULONG refcount;
+    HWND window;
+    HRESULT hr;
+
+    window = create_window();
+    ddraw = create_ddraw();
+    ok(!!ddraw, "Failed to create a ddraw object.\n");
+    hr = IDirectDraw2_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    /* Retrieving the GDI surface requires a primary surface to exist. */
+    gdi_surface = (void *)0xc0dec0de;
+    hr = IDirectDraw2_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+    ok(!gdi_surface, "Got unexpected surface %p.\n", gdi_surface);
+
+    hr = IDirectDraw2_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
+    hr = IDirectDraw2_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw2_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    /* Flipping to the GDI surface requires the primary surface to be
+     * flippable. */
+    hr = IDirectDraw2_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFLIPPABLE, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface_Release(primary);
+
+    hr = IDirectDraw2_SetCooperativeLevel(ddraw, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
+    U5(surface_desc).dwBackBufferCount = 1;
+    hr = IDirectDraw2_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface_GetAttachedSurface(primary, &caps, &backbuffer);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(backbuffer != primary, "Got unexpected backbuffer %p.\n", backbuffer);
+
+    hr = IDirectDraw2_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    hr = IDirectDrawSurface_Flip(primary, NULL, DDFLIP_WAIT);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDraw2_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    todo_wine ok(gdi_surface == backbuffer || broken(gdi_surface == primary),
+            "Got unexpected surface %p, expected %p.\n", gdi_surface, backbuffer);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    hr = IDirectDraw2_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw2_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface_Release(gdi_surface);
+
+    hr = IDirectDraw2_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface_Release(backbuffer);
+    IDirectDrawSurface_Release(primary);
+
+    refcount = IDirectDraw2_Release(ddraw);
+    ok(!refcount, "%u references left.\n", refcount);
+    DestroyWindow(window);
+}
+
 START_TEST(ddraw2)
 {
     DDDEVICEIDENTIFIER identifier;
@@ -13428,4 +13518,5 @@ START_TEST(ddraw2)
     test_viewport();
     test_find_device();
     test_killfocus();
+    test_gdi_surface();
 }
diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c
index 9b47c2bd3ca..0066bf770f9 100644
--- a/dlls/ddraw/tests/ddraw4.c
+++ b/dlls/ddraw/tests/ddraw4.c
@@ -15519,6 +15519,96 @@ static void test_sysmem_draw(void)
     DestroyWindow(window);
 }
 
+static void test_gdi_surface(void)
+{
+    IDirectDrawSurface4 *primary, *backbuffer, *gdi_surface;
+    DDSCAPS2 caps = {DDSCAPS_BACKBUFFER, 0, 0, {0}};
+    DDSURFACEDESC2 surface_desc;
+    IDirectDraw4 *ddraw;
+    ULONG refcount;
+    HWND window;
+    HRESULT hr;
+
+    window = create_window();
+    ddraw = create_ddraw();
+    ok(!!ddraw, "Failed to create a ddraw object.\n");
+    hr = IDirectDraw4_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    /* Retrieving the GDI surface requires a primary surface to exist. */
+    gdi_surface = (void *)0xc0dec0de;
+    hr = IDirectDraw4_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+    ok(!gdi_surface, "Got unexpected surface %p.\n", gdi_surface);
+
+    hr = IDirectDraw4_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
+    hr = IDirectDraw4_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw4_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface4_Release(gdi_surface);
+
+    /* Flipping to the GDI surface requires the primary surface to be
+     * flippable. */
+    hr = IDirectDraw4_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFLIPPABLE, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface4_Release(primary);
+
+    hr = IDirectDraw4_SetCooperativeLevel(ddraw, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
+    U5(surface_desc).dwBackBufferCount = 1;
+    hr = IDirectDraw4_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface4_GetAttachedSurface(primary, &caps, &backbuffer);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(backbuffer != primary, "Got unexpected backbuffer %p.\n", backbuffer);
+
+    hr = IDirectDraw4_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface4_Release(gdi_surface);
+
+    hr = IDirectDrawSurface4_Flip(primary, NULL, DDFLIP_WAIT);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDraw4_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    todo_wine ok(gdi_surface == backbuffer || broken(gdi_surface == primary),
+            "Got unexpected surface %p, expected %p.\n", gdi_surface, backbuffer);
+    IDirectDrawSurface4_Release(gdi_surface);
+
+    hr = IDirectDraw4_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw4_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface4_Release(gdi_surface);
+
+    hr = IDirectDraw4_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface4_Release(backbuffer);
+    IDirectDrawSurface4_Release(primary);
+
+    refcount = IDirectDraw4_Release(ddraw);
+    ok(!refcount, "%u references left.\n", refcount);
+    DestroyWindow(window);
+}
+
 START_TEST(ddraw4)
 {
     DDDEVICEIDENTIFIER identifier;
@@ -15648,4 +15738,5 @@ START_TEST(ddraw4)
     test_find_device();
     test_killfocus();
     test_sysmem_draw();
+    test_gdi_surface();
 }
diff --git a/dlls/ddraw/tests/ddraw7.c b/dlls/ddraw/tests/ddraw7.c
index fbc27376a53..1f57420250e 100644
--- a/dlls/ddraw/tests/ddraw7.c
+++ b/dlls/ddraw/tests/ddraw7.c
@@ -15227,6 +15227,96 @@ static void test_sysmem_draw(void)
     DestroyWindow(window);
 }
 
+static void test_gdi_surface(void)
+{
+    IDirectDrawSurface7 *primary, *backbuffer, *gdi_surface;
+    DDSCAPS2 caps = {DDSCAPS_BACKBUFFER, 0, 0, {0}};
+    DDSURFACEDESC2 surface_desc;
+    IDirectDraw7 *ddraw;
+    ULONG refcount;
+    HWND window;
+    HRESULT hr;
+
+    window = create_window();
+    ddraw = create_ddraw();
+    ok(!!ddraw, "Failed to create a ddraw object.\n");
+    hr = IDirectDraw7_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    /* Retrieving the GDI surface requires a primary surface to exist. */
+    gdi_surface = (void *)0xc0dec0de;
+    hr = IDirectDraw7_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+    ok(!gdi_surface, "Got unexpected surface %p.\n", gdi_surface);
+
+    hr = IDirectDraw7_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFOUND, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
+    hr = IDirectDraw7_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw7_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface7_Release(gdi_surface);
+
+    /* Flipping to the GDI surface requires the primary surface to be
+     * flippable. */
+    hr = IDirectDraw7_FlipToGDISurface(ddraw);
+    todo_wine ok(hr == DDERR_NOTFLIPPABLE, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface7_Release(primary);
+
+    hr = IDirectDraw7_SetCooperativeLevel(ddraw, window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    memset(&surface_desc, 0, sizeof(surface_desc));
+    surface_desc.dwSize = sizeof(surface_desc);
+    surface_desc.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
+    surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
+    U5(surface_desc).dwBackBufferCount = 1;
+    hr = IDirectDraw7_CreateSurface(ddraw, &surface_desc, &primary, NULL);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface7_GetAttachedSurface(primary, &caps, &backbuffer);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(backbuffer != primary, "Got unexpected backbuffer %p.\n", backbuffer);
+
+    hr = IDirectDraw7_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface7_Release(gdi_surface);
+
+    hr = IDirectDrawSurface7_Flip(primary, NULL, DDFLIP_WAIT);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDraw7_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    todo_wine ok(gdi_surface == backbuffer || broken(gdi_surface == primary),
+            "Got unexpected surface %p, expected %p.\n", gdi_surface, backbuffer);
+    IDirectDrawSurface7_Release(gdi_surface);
+
+    hr = IDirectDraw7_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirectDraw7_GetGDISurface(ddraw, &gdi_surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    ok(gdi_surface == primary, "Got unexpected surface %p, expected %p.\n", gdi_surface, primary);
+    IDirectDrawSurface7_Release(gdi_surface);
+
+    hr = IDirectDraw7_FlipToGDISurface(ddraw);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
+    IDirectDrawSurface7_Release(backbuffer);
+    IDirectDrawSurface7_Release(primary);
+
+    refcount = IDirectDraw7_Release(ddraw);
+    ok(!refcount, "%u references left.\n", refcount);
+    DestroyWindow(window);
+}
+
 START_TEST(ddraw7)
 {
     DDDEVICEIDENTIFIER2 identifier;
@@ -15367,4 +15457,5 @@ START_TEST(ddraw7)
     test_color_vertex();
     test_killfocus();
     test_sysmem_draw();
+    test_gdi_surface();
 }
-- 
2.11.0




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