windowscodecs: Return fail for unsupported format in DdsDecoder_Initialize().

dlls/windowscodecs/ddsformat.c

@@ -626,10 +626,26 @@ static HRESULT WINAPI DdsDecoder_Initialize(IWICBitmapDecoder *iface, IStream *p
                                             WICDecodeOptions cacheOptions)
 {
     DdsDecoder *This = impl_from_IWICBitmapDecoder(iface);
+    HRESULT hr;
 
     TRACE("(%p,%p,%x)\n", iface, pIStream, cacheOptions);
 
-    return IWICWineDecoder_Initialize(&This->IWICWineDecoder_iface, pIStream, cacheOptions);
+    EnterCriticalSection(&This->lock);
+
+    hr = IWICWineDecoder_Initialize(&This->IWICWineDecoder_iface, pIStream, cacheOptions);
+    if (FAILED(hr)) goto end;
+
+    if (!This->info.compressed || This->info.dimension == WICDdsTextureCube) {
+        IStream_Release(pIStream);
+        This->stream = NULL;
+        This->initialized = FALSE;
+        hr = WINCODEC_ERR_BADHEADER;
+    }
+
+end:
+    LeaveCriticalSection(&This->lock);
+
+    return hr;
 }
 
 static HRESULT WINAPI DdsDecoder_GetContainerFormat(IWICBitmapDecoder *iface,

dlls/windowscodecs/tests/ddsformat.c

@@ -237,7 +237,6 @@ static HRESULT init_decoder(IWICBitmapDecoder *decoder, IWICStream *stream, HRES
     if (index == -1) {
         ok(hr == S_OK, "Decoder initialize failed, hr %#x\n", hr);
     } else {
-        todo_wine_if(wine_init)
         ok(hr == expected, "Test %u: Expected hr %#x, got %#x\n", index, expected, hr);
     }
 
@@ -251,10 +250,8 @@ static HRESULT init_decoder(IWICBitmapDecoder *decoder, IWICStream *stream, HRES
         if (hr == S_OK) {
             hr = IWICWineDecoder_Initialize(wine_decoder, (IStream*)stream, WICDecodeMetadataCacheOnDemand);
             if (index == -1)  {
-                todo_wine
                 ok(hr == S_OK, "Initialize failed, hr %#x\n", hr);
             } else {
-                todo_wine
                 ok(hr == S_OK, "Test %u: Initialize failed, hr %#x\n", index, hr);
             }