diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 7c13d4abd4b..e82f9644e3b 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -1913,7 +1913,7 @@ static HRESULT WINAPI ddraw7_GetAvailableVidMem(IDirectDraw7 *iface, DDSCAPS2 *c
         wined3d_mutex_unlock();
         return hr;
     }
-    framebuffer_size = wined3d_calculate_format_pitch(ddraw->wined3d, WINED3DADAPTER_DEFAULT,
+    framebuffer_size = wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
             mode.format_id, mode.width);
     framebuffer_size *= mode.height;
 
diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index 627963232e4..85c1ef4966b 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -6265,7 +6265,7 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
             }
 
             if ((desc->dwFlags & DDSD_LINEARSIZE)
-                    && desc->u1.dwLinearSize < wined3d_calculate_format_pitch(ddraw->wined3d, WINED3DADAPTER_DEFAULT,
+                    && desc->u1.dwLinearSize < wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
                             wined3d_desc.format, wined3d_desc.width) * ((desc->dwHeight + 3) / 4))
             {
                 WARN("Invalid linear size %u specified.\n", desc->u1.dwLinearSize);
@@ -6282,7 +6282,7 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
                 return DDERR_INVALIDPARAMS;
             }
 
-            if (desc->u1.lPitch < wined3d_calculate_format_pitch(ddraw->wined3d, WINED3DADAPTER_DEFAULT,
+            if (desc->u1.lPitch < wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
                     wined3d_desc.format, wined3d_desc.width) || desc->u1.lPitch & 3)
             {
                 WARN("Invalid pitch %u specified.\n", desc->u1.lPitch);
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index d026c6a49ef..8f8933801a9 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -1738,19 +1738,13 @@ HRESULT CDECL wined3d_check_device_format(const struct wined3d *wined3d,
     return WINED3D_OK;
 }
 
-UINT CDECL wined3d_calculate_format_pitch(const struct wined3d *wined3d, UINT adapter_idx,
-        enum wined3d_format_id format_id, UINT width)
+unsigned int CDECL wined3d_calculate_format_pitch(const struct wined3d_adapter *adapter,
+        enum wined3d_format_id format_id, unsigned int width)
 {
-    const struct wined3d_adapter *adapter;
     unsigned int row_pitch, slice_pitch;
 
-    TRACE("wined3d %p, adapter_idx %u, format_id %s, width %u.\n",
-            wined3d, adapter_idx, debug_d3dformat(format_id), width);
+    TRACE("adapter %p, format_id %s, width %u.\n", adapter, debug_d3dformat(format_id), width);
 
-    if (adapter_idx >= wined3d->adapter_count)
-        return ~0u;
-
-    adapter = wined3d->adapters[adapter_idx];
     wined3d_format_calculate_pitch(wined3d_get_format(adapter, format_id, 0),
             1, width, 1, &row_pitch, &slice_pitch);
 
diff --git a/dlls/wined3d/wined3d.spec b/dlls/wined3d/wined3d.spec
index 3e511c6c2e1..a25accc2371 100644
--- a/dlls/wined3d/wined3d.spec
+++ b/dlls/wined3d/wined3d.spec
@@ -1,7 +1,7 @@
 @ stdcall wined3d_mutex_lock()
 @ stdcall wined3d_mutex_unlock()
 
-@ cdecl wined3d_calculate_format_pitch(ptr long long long)
+@ cdecl wined3d_calculate_format_pitch(ptr long long)
 @ cdecl wined3d_check_depth_stencil_match(ptr long long long long)
 @ cdecl wined3d_check_device_format(ptr ptr long long long long long long)
 @ cdecl wined3d_check_device_format_conversion(ptr long long long)
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index 035268be7a0..d6a9a079d7a 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -2247,8 +2247,8 @@ typedef HRESULT (CDECL *wined3d_device_reset_cb)(struct wined3d_resource *resour
 void __stdcall wined3d_mutex_lock(void);
 void __stdcall wined3d_mutex_unlock(void);
 
-UINT __cdecl wined3d_calculate_format_pitch(const struct wined3d *wined3d, UINT adapter_idx,
-        enum wined3d_format_id format_id, UINT width);
+unsigned int __cdecl wined3d_calculate_format_pitch(const struct wined3d_adapter *adapter,
+        enum wined3d_format_id format_id, unsigned int width);
 HRESULT __cdecl wined3d_check_depth_stencil_match(const struct wined3d_adapter *adapter,
         enum wined3d_device_type device_type, enum wined3d_format_id adapter_format_id,
         enum wined3d_format_id render_target_format_id, enum wined3d_format_id depth_stencil_format_id);