d3d8/tests: Test rhw depth clip with z enabled but no depth buffer set.

dlls/d3d8/tests/visual.c

@@ -4070,6 +4070,8 @@ static void zenable_test(void)
     HRESULT hr;
     UINT x, y;
     UINT i, j;
+    UINT test;
+    IDirect3DSurface8 *ds, *rt;
 
     static const struct
     {
@@ -4094,12 +4096,41 @@ static void zenable_test(void)
         goto done;
     }
 
+    hr = IDirect3DDevice8_GetDepthStencilSurface(device, &ds);
+    ok(SUCCEEDED(hr), "Failed to get depth stencil surface, hr %#x.\n", hr);
+    hr = IDirect3DDevice8_GetRenderTarget(device, &rt);
+    ok(SUCCEEDED(hr), "Failed to get render target surface, hr %#x.\n", hr);
+
+    for (test = 0; test < 2; ++test)
+    {
+        /* The Windows 8 testbot (WARP) appears to clip with
+         * ZENABLE = D3DZB_TRUE and no depth buffer set. */
+        static const D3DCOLOR expected_broken[] =
+        {
+            0x00ff0000, 0x0000ff00, 0x0000ff00, 0x00ff0000,
+            0x00ff0000, 0x0000ff00, 0x0000ff00, 0x00ff0000,
+            0x00ff0000, 0x0000ff00, 0x0000ff00, 0x00ff0000,
+            0x00ff0000, 0x0000ff00, 0x0000ff00, 0x00ff0000,
+        };
+
+        if (!test)
+        {
+            hr = IDirect3DDevice8_SetRenderTarget(device, rt, NULL);
+            ok(SUCCEEDED(hr), "Failed to set depth stencil surface, hr %#x.\n", hr);
+        }
+        else
+        {
             hr = IDirect3DDevice8_SetRenderState(device, D3DRS_ZENABLE, D3DZB_FALSE);
             ok(SUCCEEDED(hr), "Failed to disable z-buffering, hr %#x.\n", hr);
+            hr = IDirect3DDevice8_SetRenderTarget(device, rt, ds);
+            ok(SUCCEEDED(hr), "Failed to set depth stencil surface, hr %#x.\n", hr);
+            hr = IDirect3DDevice8_Clear(device, 0, NULL, D3DCLEAR_ZBUFFER, 0x00000000, 0.0f, 0);
+            ok(SUCCEEDED(hr), "Failed to clear render target, hr %#x.\n", hr);
+        }
         hr = IDirect3DDevice8_SetVertexShader(device, D3DFVF_XYZRHW | D3DFVF_DIFFUSE);
         ok(SUCCEEDED(hr), "Failed to set FVF, hr %#x.\n", hr);
 
-    hr = IDirect3DDevice8_Clear(device, 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xffff0000, 0.0f, 0);
+        hr = IDirect3DDevice8_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffff0000, 0.0f, 0);
         ok(SUCCEEDED(hr), "Failed to clear render target, hr %#x.\n", hr);
         hr = IDirect3DDevice8_BeginScene(device);
         ok(SUCCEEDED(hr), "Failed to begin scene, hr %#x.\n", hr);
@@ -4115,13 +4146,18 @@ static void zenable_test(void)
                 x = 80 * ((2 * j) + 1);
                 y = 60 * ((2 * i) + 1);
                 color = getPixelColor(device, x, y);
-            ok(color_match(color, 0x0000ff00, 1),
+                ok(color_match(color, 0x0000ff00, 1)
+                        || broken(color_match(color, expected_broken[i * 4 + j], 1) && !test),
                         "Expected color 0x0000ff00 at %u, %u, got 0x%08x.\n", x, y, color);
             }
         }
 
         hr = IDirect3DDevice8_Present(device, NULL, NULL, NULL, NULL);
         ok(SUCCEEDED(hr), "Failed to present backbuffer, hr %#x.\n", hr);
+    }
+
+    IDirect3DSurface8_Release(ds);
+    IDirect3DSurface8_Release(rt);
 
     hr = IDirect3DDevice8_GetDeviceCaps(device, &caps);
     ok(SUCCEEDED(hr), "Failed to get device caps, hr %#x.\n", hr);