[PATCH 5/5] d3d9/tests: Add test for clearing surfaces with different sizes.

[Józef Kucia]

Signed-off-by: Józef Kucia 
---
 dlls/d3d9/tests/visual.c | 110 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/dlls/d3d9/tests/visual.c b/dlls/d3d9/tests/visual.c
index 51229f2b8268..3db61db12c7e 100644
--- a/dlls/d3d9/tests/visual.c
+++ b/dlls/d3d9/tests/visual.c
@@ -1324,6 +1324,115 @@ done:
     DestroyWindow(window);
 }

+static void test_clear_different_size_surfaces(void)
+{
+    IDirect3DSurface9 *ds, *rt, *rt2;
+    struct surface_readback rb;
+    IDirect3DDevice9 *device;
+    D3DLOCKED_RECT lr;
+    unsigned int x, y;
+    D3DVIEWPORT9 vp;
+    IDirect3D9 *d3d;
+    D3DCAPS9 caps;
+    WORD *depth;
+    HWND window;
+    DWORD color;
+    HRESULT hr;
+
+    window = create_window();
+    d3d = Direct3DCreate9(D3D_SDK_VERSION);
+    ok(!!d3d, "Failed to create D3D object.\n");
+    if (!(device = create_device(d3d, window, window, TRUE)))
+    {
+        skip("Failed to create D3D device.\n");
+        goto done;
+    }
+
+    hr = IDirect3DDevice9_GetDeviceCaps(device, &caps);
+    ok(hr == D3D_OK, "Failed to get device caps, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_CreateRenderTarget(device, 1, 1, D3DFMT_A8R8G8B8,
+            D3DMULTISAMPLE_NONE, 0, TRUE, &rt, NULL);
+    ok(hr == D3D_OK, "Failed to create render target surface, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_CreateRenderTarget(device, 1, 2, D3DFMT_A8R8G8B8,
+            D3DMULTISAMPLE_NONE, 0, TRUE, &rt2, NULL);
+    ok(hr == D3D_OK, "Failed to create render target surface, hr %#x.\n", hr);
+
+    if (SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_A8R8G8B8, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, D3DFMT_D16_LOCKABLE)))
+    {
+        hr = IDirect3DDevice9_CreateDepthStencilSurface(device, 4, 4, D3DFMT_D16_LOCKABLE,
+                D3DMULTISAMPLE_NONE, 0, FALSE, &ds, NULL);
+        ok(hr == D3D_OK, "Failed to create depth surface, hr %#x.\n", hr);
+    }
+    else
+    {
+        skip("D3DFMT_D16_LOCKABLE is not supported.\n");
+        ds = NULL;
+    }
+
+    hr = IDirect3DDevice9_SetDepthStencilSurface(device, ds);
+    ok(hr == D3D_OK, "Failed to set depth stencil surface, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_SetRenderTarget(device, 0, rt);
+    ok(hr == D3D_OK, "Failed to set render target, hr %#x.\n", hr);
+    if (caps.NumSimultaneousRTs >= 2)
+    {
+        hr = IDirect3DDevice9_SetRenderTarget(device, 1, rt2);
+        ok(hr == D3D_OK, "Failed to set render target, hr %#x.\n", hr);
+    }
+
+    vp.X = 0;
+    vp.Y = 0;
+    vp.Width = 640;
+    vp.Height = 640;
+    vp.MinZ = 0.0f;
+    vp.MaxZ = 1.0f;
+    hr = IDirect3DDevice9_SetViewport(device, &vp);
+    ok(hr == D3D_OK, "Failed to set viewport, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xffff0000, 0.5f, 0);
+    ok(hr == D3D_OK, "Failed to clear, hr %#x.\n", hr);
+
+    get_rt_readback(rt, &rb);
+    color = get_readback_color(&rb, 0, 0);
+    ok(color == 0xffff0000, "Got color 0x%08x.\n", color);
+    release_surface_readback(&rb);
+
+    if (caps.NumSimultaneousRTs >= 2)
+    {
+        get_rt_readback(rt2, &rb);
+        for (y = 0; y < 2; ++y)
+        {
+            color = get_readback_color(&rb, 0, y);
+            ok(color == 0xffff0000, "Got color 0x%08x at %u.\n", color, y);
+        }
+        release_surface_readback(&rb);
+    }
+
+    if (ds)
+    {
+        hr = IDirect3DSurface9_LockRect(ds, &lr, NULL, D3DLOCK_READONLY);
+        ok(hr == D3D_OK, "Failed to lock rect, hr %#x.\n", hr);
+        for (y = 0; y < 4; ++y)
+        {
+            depth = (WORD *)((BYTE *)lr.pBits + y * lr.Pitch);
+            for (x = 0; x < 4; ++x)
+            {
+                ok(abs(depth[x] - 0x7fff) <= 2, "Got depth 0x%04x at %u, %u.\n", depth[x], x, y);
+            }
+        }
+        hr = IDirect3DSurface9_UnlockRect(ds);
+        ok(hr == D3D_OK, "Failed to unlock rect, hr %#x.\n", hr);
+        IDirect3DSurface9_Release(ds);
+    }
+
+    IDirect3DSurface9_Release(rt);
+    IDirect3DSurface9_Release(rt2);
+done:
+    IDirect3D9_Release(d3d);
+    DestroyWindow(window);
+}
+
 static void color_fill_test(void)
 {
     IDirect3DSurface9 *surface;
@@ -24420,6 +24529,7 @@ START_TEST(visual)
     lighting_test();
     test_specular_lighting();
     clear_test();
+    test_clear_different_size_surfaces();
     color_fill_test();
     fog_test();
     test_cube_wrap();