diff --git a/dlls/ddraw/tests/ddraw2.c b/dlls/ddraw/tests/ddraw2.c
index bf0cfef0b1a..cc48c2ae356 100644
--- a/dlls/ddraw/tests/ddraw2.c
+++ b/dlls/ddraw/tests/ddraw2.c
@@ -929,6 +929,14 @@ static void test_coop_level_d3d_state(void)
     HWND window;
     HRESULT hr;
 
+    static D3DLVERTEX quad[] =
+    {
+        {{-1.0f}, {-1.0f}, {0.0f}, 0, {0x800000ff}},
+        {{-1.0f}, { 1.0f}, {0.0f}, 0, {0x800000ff}},
+        {{ 1.0f}, {-1.0f}, {0.0f}, 0, {0x800000ff}},
+        {{ 1.0f}, { 1.0f}, {0.0f}, 0, {0x800000ff}},
+    };
+
     window = create_window();
     ddraw = create_ddraw();
     ok(!!ddraw, "Failed to create a ddraw object.\n");
@@ -944,6 +952,11 @@ static void test_coop_level_d3d_state(void)
     viewport = create_viewport(device, 0, 0, 640, 480);
     viewport_set_background(device, viewport, background);
 
+    hr = IDirect3DDevice2_SetRenderState(device, D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice2_SetRenderState(device, D3DRENDERSTATE_DESTBLEND, D3DBLEND_DESTALPHA);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
     hr = IDirect3DDevice2_GetRenderTarget(device, &rt);
     ok(SUCCEEDED(hr), "Failed to get render target, hr %#x.\n", hr);
     hr = IDirect3DDevice2_GetRenderState(device, D3DRENDERSTATE_ZENABLE, &value);
@@ -984,12 +997,23 @@ static void test_coop_level_d3d_state(void)
     hr = IDirect3DDevice2_GetRenderState(device, D3DRENDERSTATE_ALPHABLENDENABLE, &value);
     ok(SUCCEEDED(hr), "Failed to get render state, hr %#x.\n", hr);
     ok(!!value, "Got unexpected alpha blend enable state %#x.\n", value);
-    hr = IDirect3DViewport2_Clear(viewport, 1, &clear_rect, D3DCLEAR_TARGET);
+    hr = IDirect3DViewport2_Clear(viewport, 1, &clear_rect, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER);
     ok(SUCCEEDED(hr), "Failed to clear viewport, hr %#x.\n", hr);
     color = get_surface_color(rt, 320, 240);
     ok(compare_color(color, 0x0000ff00, 1) || broken(compare_color(color, 0x00000000, 1)),
             "Got unexpected color 0x%08x.\n", color);
 
+    hr = IDirect3DDevice2_SetCurrentViewport(device, viewport);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice2_BeginScene(device);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice2_DrawPrimitive(device, D3DPT_TRIANGLESTRIP, D3DVT_LVERTEX, quad, ARRAY_SIZE(quad), 0);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice2_EndScene(device);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    color = get_surface_color(rt, 320, 240);
+    todo_wine ok(compare_color(color, 0x0000ff80, 1), "Got unexpected color 0x%08x.\n", color);
+
     destroy_viewport(device, viewport);
     destroy_material(background);
     IDirectDrawSurface_Release(surface);
diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c
index e3146ca45d0..5cdc74e50f9 100644
--- a/dlls/ddraw/tests/ddraw4.c
+++ b/dlls/ddraw/tests/ddraw4.c
@@ -1117,6 +1117,19 @@ static void test_coop_level_d3d_state(void)
     HWND window;
     HRESULT hr;
 
+    static struct
+    {
+        struct vec3 position;
+        DWORD diffuse;
+    }
+    quad[] =
+    {
+        {{-1.0f, -1.0f, 0.0f}, 0x800000ff},
+        {{-1.0f,  1.0f, 0.0f}, 0x800000ff},
+        {{ 1.0f, -1.0f, 0.0f}, 0x800000ff},
+        {{ 1.0f,  1.0f, 0.0f}, 0x800000ff},
+    };
+
     window = create_window();
     if (!(device = create_device(window, DDSCL_NORMAL)))
     {
@@ -1127,6 +1140,11 @@ static void test_coop_level_d3d_state(void)
 
     viewport = create_viewport(device, 0, 0, 640, 480);
 
+    hr = IDirect3DDevice3_SetRenderState(device, D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice3_SetRenderState(device, D3DRENDERSTATE_DESTBLEND, D3DBLEND_DESTALPHA);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
     hr = IDirect3DDevice3_GetRenderTarget(device, &rt);
     ok(SUCCEEDED(hr), "Failed to get render target, hr %#x.\n", hr);
     hr = IDirect3DDevice3_GetRenderState(device, D3DRENDERSTATE_ZENABLE, &value);
@@ -1164,11 +1182,23 @@ static void test_coop_level_d3d_state(void)
     hr = IDirect3DDevice3_GetRenderState(device, D3DRENDERSTATE_ALPHABLENDENABLE, &value);
     ok(SUCCEEDED(hr), "Failed to get render state, hr %#x.\n", hr);
     ok(!!value, "Got unexpected alpha blend enable state %#x.\n", value);
-    hr = IDirect3DViewport3_Clear2(viewport, 1, &clear_rect, D3DCLEAR_TARGET, 0xff00ff00, 0.0f, 0);
+    hr = IDirect3DViewport3_Clear2(viewport, 1, &clear_rect, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xff00ff00, 1.0f, 0);
     ok(SUCCEEDED(hr), "Failed to clear viewport, hr %#x.\n", hr);
     color = get_surface_color(rt, 320, 240);
     ok(compare_color(color, 0x0000ff00, 1), "Got unexpected color 0x%08x.\n", color);
 
+    hr = IDirect3DDevice3_SetCurrentViewport(device, viewport);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice3_BeginScene(device);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice3_DrawPrimitive(device, D3DPT_TRIANGLESTRIP,
+            D3DFVF_XYZ | D3DFVF_DIFFUSE, quad, ARRAY_SIZE(quad), 0);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice3_EndScene(device);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    color = get_surface_color(rt, 320, 240);
+    todo_wine ok(compare_color(color, 0x0000ff80, 1), "Got unexpected color 0x%08x.\n", color);
+
     destroy_viewport(device, viewport);
     IDirectDrawSurface4_Release(surface);
     IDirectDrawSurface4_Release(rt);
diff --git a/dlls/ddraw/tests/ddraw7.c b/dlls/ddraw/tests/ddraw7.c
index 2cd3b516f14..5f4d1a166dd 100644
--- a/dlls/ddraw/tests/ddraw7.c
+++ b/dlls/ddraw/tests/ddraw7.c
@@ -1002,6 +1002,19 @@ static void test_coop_level_d3d_state(void)
     HWND window;
     HRESULT hr;
 
+    static struct
+    {
+        struct vec3 position;
+        DWORD diffuse;
+    }
+    quad[] =
+    {
+        {{-1.0f, -1.0f, 0.1f}, 0x800000ff},
+        {{-1.0f,  1.0f, 0.1f}, 0x800000ff},
+        {{ 1.0f, -1.0f, 0.1f}, 0x800000ff},
+        {{ 1.0f,  1.0f, 0.1f}, 0x800000ff},
+    };
+
     window = create_window();
     if (!(device = create_device(window, DDSCL_NORMAL)))
     {
@@ -1010,6 +1023,13 @@ static void test_coop_level_d3d_state(void)
         return;
     }
 
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_LIGHTING, FALSE);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice7_SetRenderState(device, D3DRENDERSTATE_DESTBLEND, D3DBLEND_DESTALPHA);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+
     hr = IDirect3DDevice7_GetRenderTarget(device, &rt);
     ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
     hr = IDirect3DDevice7_GetRenderState(device, D3DRENDERSTATE_ZENABLE, &value);
@@ -1066,11 +1086,21 @@ static void test_coop_level_d3d_state(void)
     hr = IDirect3DDevice7_GetRenderState(device, D3DRENDERSTATE_ALPHABLENDENABLE, &value);
     ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
     ok(!!value, "Got unexpected alpha blend enable state %#x.\n", value);
-    hr = IDirect3DDevice7_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xff00ff00, 0.0f, 0);
+    hr = IDirect3DDevice7_Clear(device, 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xff00ff00, 1.0f, 0);
     ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
     color = get_surface_color(rt, 320, 240);
     ok(compare_color(color, 0x0000ff00, 1), "Got unexpected color 0x%08x.\n", color);
 
+    hr = IDirect3DDevice7_BeginScene(device);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice7_DrawPrimitive(device, D3DPT_TRIANGLESTRIP,
+            D3DFVF_XYZ | D3DFVF_DIFFUSE, quad, ARRAY_SIZE(quad), 0);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice7_EndScene(device);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    color = get_surface_color(rt, 320, 240);
+    todo_wine ok(compare_color(color, 0x0000ff80, 1), "Got unexpected color 0x%08x.\n", color);
+
     IDirectDrawSurface7_Release(surface);
     IDirectDrawSurface7_Release(rt);
     IDirect3DDevice7_Release(device);