wined3d: Add a separate function for palette initialization.

dlls/wined3d/device.c

@@ -1360,35 +1360,27 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreatePalette(IWineD3DDevice *iface, DW
     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
     IWineD3DPaletteImpl *object;
     HRESULT hr;
-    TRACE("(%p)->(%x, %p, %p, %p)\n", This, Flags, PalEnt, Palette, Parent);
 
-    /* Create the new object */
-    object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IWineD3DPaletteImpl));
-    if(!object) {
-        ERR("Out of memory when allocating memory for a IWineD3DPalette implementation\n");
-        return E_OUTOFMEMORY;
-    }
+    TRACE("iface %p, flags %#x, entries %p, palette %p, parent %p.\n",
+            iface, Flags, PalEnt, Palette, Parent);
 
-    object->lpVtbl = &IWineD3DPalette_Vtbl;
-    object->ref = 1;
-    object->Flags = Flags;
-    object->parent = Parent;
-    object->device = This;
-    object->palNumEntries = IWineD3DPaletteImpl_Size(Flags);
-    object->hpal = CreatePalette((const LOGPALETTE*)&(object->palVersion));
-
-    if(!object->hpal) {
-        HeapFree( GetProcessHeap(), 0, object);
+    object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
+    if (!object)
+    {
+        ERR("Failed to allocate palette memory.\n");
         return E_OUTOFMEMORY;
     }
 
-    hr = IWineD3DPalette_SetEntries((IWineD3DPalette *) object, 0, 0, IWineD3DPaletteImpl_Size(Flags), PalEnt);
-    if(FAILED(hr)) {
-        IWineD3DPalette_Release((IWineD3DPalette *) object);
+    hr = wined3d_palette_init(object, This, Flags, PalEnt, Parent);
+    if (FAILED(hr))
+    {
+        WARN("Failed to initialize palette, hr %#x.\n", hr);
+        HeapFree(GetProcessHeap(), 0, object);
         return hr;
     }
 
-    *Palette = (IWineD3DPalette *) object;
+    TRACE("Created palette %p.\n", object);
+    *Palette = (IWineD3DPalette *)object;
 
     return WINED3D_OK;
 }

dlls/wined3d/palette.c

@@ -74,7 +74,8 @@ static ULONG  WINAPI IWineD3DPaletteImpl_Release(IWineD3DPalette *iface) {
 }
 
 /* Not called from the vtable */
-DWORD IWineD3DPaletteImpl_Size(DWORD dwFlags) {
+static DWORD IWineD3DPaletteImpl_Size(DWORD dwFlags)
+{
     switch (dwFlags & SIZE_BITS) {
         case WINEDDPCAPS_1BIT: return 2;
         case WINEDDPCAPS_2BIT: return 4;
@@ -183,7 +184,7 @@ static HRESULT  WINAPI IWineD3DPaletteImpl_GetParent(IWineD3DPalette *iface, IUn
     return WINED3D_OK;
 }
 
-const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
+static const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
 {
     /*** IUnknown ***/
     IWineD3DPaletteImpl_QueryInterface,
@@ -195,3 +196,33 @@ const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
     IWineD3DPaletteImpl_GetCaps,
     IWineD3DPaletteImpl_SetEntries
 };
+
+HRESULT wined3d_palette_init(IWineD3DPaletteImpl *palette, IWineD3DDeviceImpl *device,
+        DWORD flags, const PALETTEENTRY *entries, IUnknown *parent)
+{
+    HRESULT hr;
+
+    palette->lpVtbl = &IWineD3DPalette_Vtbl;
+    palette->ref = 1;
+    palette->parent = parent;
+    palette->device = device;
+    palette->Flags = flags;
+
+    palette->palNumEntries = IWineD3DPaletteImpl_Size(flags);
+    palette->hpal = CreatePalette((const LOGPALETTE *)&palette->palVersion);
+    if (!palette->hpal)
+    {
+        WARN("Failed to create palette.\n");
+        return E_FAIL;
+    }
+
+    hr = IWineD3DPalette_SetEntries((IWineD3DPalette *)palette, 0, 0, IWineD3DPaletteImpl_Size(flags), entries);
+    if (FAILED(hr))
+    {
+        WARN("Failed to set palette entries, hr %#x.\n", hr);
+        DeleteObject(palette->hpal);
+        return hr;
+    }
+
+    return WINED3D_OK;
+}

dlls/wined3d/wined3d_private.h

@@ -2966,8 +2966,8 @@ struct IWineD3DPaletteImpl {
     DWORD                      Flags;
 };
 
-extern const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl DECLSPEC_HIDDEN;
-DWORD IWineD3DPaletteImpl_Size(DWORD dwFlags) DECLSPEC_HIDDEN;
+HRESULT wined3d_palette_init(IWineD3DPaletteImpl *palette, IWineD3DDeviceImpl *device,
+        DWORD flags, const PALETTEENTRY *entries, IUnknown *parent) DECLSPEC_HIDDEN;
 
 /* DirectDraw utility functions */
 extern WINED3DFORMAT pixelformat_for_depth(DWORD depth) DECLSPEC_HIDDEN;