From bf7df8516991cf4d544cbc22e66692e25be24b73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ri=C4=8Dardas=20Barkauskas?= <rbarkauskas@codeweavers.com>
Date: Mon, 22 Aug 2011 15:46:41 +0300
Subject: [PATCH] ddraw: Do not create implicit depth buffer.

---
 dlls/ddraw/ddraw.c     | 50 ++++--------------------------------------
 dlls/ddraw/tests/d3d.c | 12 ++++++++++
 2 files changed, 16 insertions(+), 46 deletions(-)

diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index fc0dd93002a..d1754ec1152 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -2939,8 +2939,8 @@ static HRESULT ddraw_attach_d3d_device(IDirectDrawImpl *ddraw, IDirectDrawSurfac
     localParameters.SwapEffect = WINED3DSWAPEFFECT_COPY;
     localParameters.hDeviceWindow = window;
     localParameters.Windowed = !(ddraw->cooperative_level & DDSCL_FULLSCREEN);
-    localParameters.EnableAutoDepthStencil = TRUE;
-    localParameters.AutoDepthStencilFormat = WINED3DFMT_D16_UNORM;
+    localParameters.EnableAutoDepthStencil = FALSE;
+    localParameters.AutoDepthStencilFormat = WINED3DFMT_UNKNOWN;
     localParameters.Flags = 0;
     localParameters.FullScreen_RefreshRateInHz = WINED3DPRESENT_RATE_DEFAULT;
     localParameters.PresentationInterval = WINED3DPRESENT_INTERVAL_DEFAULT;
@@ -5923,50 +5923,8 @@ static HRESULT CDECL device_parent_create_depth_stencil(struct wined3d_device_pa
         UINT width, UINT height, enum wined3d_format_id format, WINED3DMULTISAMPLE_TYPE multisample_type,
         DWORD multisample_quality, BOOL discard, struct wined3d_surface **surface)
 {
-    struct IDirectDrawImpl *ddraw = ddraw_from_device_parent(device_parent);
-    IDirectDrawSurface7 *ddraw7;
-    IDirectDrawSurfaceImpl *ddraw_surface;
-    DDSURFACEDESC2 ddsd;
-    HRESULT hr;
-
-    TRACE("device_parent %p, width %u, height %u, format %#x, multisample_type %#x,\n"
-            "\tmultisample_quality %u, discard %u, surface %p.\n",
-            device_parent, width, height, format, multisample_type, multisample_quality, discard, surface);
-
-    *surface = NULL;
-
-    /* Create a DirectDraw surface */
-    memset(&ddsd, 0, sizeof(ddsd));
-    ddsd.dwSize = sizeof(ddsd);
-    ddsd.u4.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
-    ddsd.dwFlags = DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
-    ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
-    ddsd.dwHeight = height;
-    ddsd.dwWidth = width;
-    if (format)
-    {
-        PixelFormat_WineD3DtoDD(&ddsd.u4.ddpfPixelFormat, format);
-    }
-    else
-    {
-        ddsd.dwFlags ^= DDSD_PIXELFORMAT;
-    }
-
-    ddraw->depthstencil = TRUE;
-    hr = IDirectDraw7_CreateSurface(&ddraw->IDirectDraw7_iface, &ddsd, &ddraw7, NULL);
-    ddraw->depthstencil = FALSE;
-    if (FAILED(hr))
-    {
-        WARN("Failed to create depth/stencil surface, hr %#x.\n", hr);
-        return hr;
-    }
-
-    ddraw_surface = impl_from_IDirectDrawSurface7(ddraw7);
-    *surface = ddraw_surface->wined3d_surface;
-    wined3d_surface_incref(*surface);
-    IDirectDrawSurface7_Release(&ddraw_surface->IDirectDrawSurface7_iface);
-
-    return D3D_OK;
+    ERR("DirectDraw doesn't have and shoudn't try creating implicit depth buffers.\n");
+    return E_NOTIMPL;
 }
 
 static HRESULT CDECL device_parent_create_volume(struct wined3d_device_parent *device_parent,
diff --git a/dlls/ddraw/tests/d3d.c b/dlls/ddraw/tests/d3d.c
index 685ed45afac..8946d485563 100644
--- a/dlls/ddraw/tests/d3d.c
+++ b/dlls/ddraw/tests/d3d.c
@@ -100,11 +100,19 @@ static ULONG getRefcount(IUnknown *iface)
     return IUnknown_Release(iface);
 }
 
+static HRESULT WINAPI SurfaceCounter(IDirectDrawSurface7 *surface, DDSURFACEDESC2 *desc, void *context)
+{
+    UINT *num = context;
+    (*num)++;
+    IDirectDrawSurface_Release(surface);
+    return DDENUMRET_OK;
+}
 
 static BOOL CreateDirect3D(void)
 {
     HRESULT rc;
     DDSURFACEDESC2 ddsd;
+    UINT num;
 
     rc = pDirectDrawCreateEx(NULL, (void**)&lpDD,
         &IID_IDirectDraw7, NULL);
@@ -131,6 +139,10 @@ static BOOL CreateDirect3D(void)
     if (FAILED(rc))
         return FALSE;
 
+    num = 0;
+    IDirectDraw7_EnumSurfaces(lpDD, DDENUMSURFACES_ALL | DDENUMSURFACES_DOESEXIST, NULL, &num, SurfaceCounter);
+    ok(num == 1, "Has %d surfaces, expected 1\n", num);
+
     memset(&ddsd, 0, sizeof(ddsd));
     ddsd.dwSize = sizeof(ddsd);
     ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;