diff --git a/dlls/d3dcompiler_43/Makefile.in b/dlls/d3dcompiler_43/Makefile.in
index 2510af47af2..806cb08567a 100644
--- a/dlls/d3dcompiler_43/Makefile.in
+++ b/dlls/d3dcompiler_43/Makefile.in
@@ -4,8 +4,10 @@ SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 MODULE    = d3dcompiler_43.dll
 IMPORTLIB = d3dcompiler
+IMPORTS   = dxguid uuid
 
 C_SRCS = \
+	blob.c \
 	d3dcompiler_43_main.c
 
 RC_SRCS = version.rc
diff --git a/dlls/d3dcompiler_43/blob.c b/dlls/d3dcompiler_43/blob.c
new file mode 100644
index 00000000000..e5d11e58adb
--- /dev/null
+++ b/dlls/d3dcompiler_43/blob.c
@@ -0,0 +1,117 @@
+/*
+ * Direct3D blob file
+ *
+ * Copyright 2010 Rico Schüller
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ */
+
+#include "config.h"
+#include "wine/port.h"
+
+#include "d3dcompiler_private.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(d3dcompiler);
+
+/* IUnknown methods */
+
+static HRESULT STDMETHODCALLTYPE d3dcompiler_blob_QueryInterface(ID3DBlob *iface, REFIID riid, void **object)
+{
+    TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
+
+    if (IsEqualGUID(riid, &IID_ID3D10Blob)
+            || IsEqualGUID(riid, &IID_IUnknown))
+    {
+        IUnknown_AddRef(iface);
+        *object = iface;
+        return S_OK;
+    }
+
+    WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
+
+    *object = NULL;
+    return E_NOINTERFACE;
+}
+
+static ULONG STDMETHODCALLTYPE d3dcompiler_blob_AddRef(ID3DBlob *iface)
+{
+    struct d3dcompiler_blob *blob = (struct d3dcompiler_blob *)iface;
+    ULONG refcount = InterlockedIncrement(&blob->refcount);
+
+    TRACE("%p increasing refcount to %u\n", blob, refcount);
+
+    return refcount;
+}
+
+static ULONG STDMETHODCALLTYPE d3dcompiler_blob_Release(ID3DBlob *iface)
+{
+    struct d3dcompiler_blob *blob = (struct d3dcompiler_blob *)iface;
+    ULONG refcount = InterlockedDecrement(&blob->refcount);
+
+    TRACE("%p decreasing refcount to %u\n", blob, refcount);
+
+    if (!refcount)
+    {
+        HeapFree(GetProcessHeap(), 0, blob->data);
+        HeapFree(GetProcessHeap(), 0, blob);
+    }
+
+    return refcount;
+}
+
+/* ID3DBlob methods */
+
+static void * STDMETHODCALLTYPE d3dcompiler_blob_GetBufferPointer(ID3DBlob *iface)
+{
+    FIXME("iface %p stub!\n", iface);
+
+    return NULL;
+}
+
+static SIZE_T STDMETHODCALLTYPE d3dcompiler_blob_GetBufferSize(ID3DBlob *iface)
+{
+    FIXME("iface %p stub!\n", iface);
+
+    return 0;
+}
+
+const struct ID3D10BlobVtbl d3dcompiler_blob_vtbl =
+{
+    /* IUnknown methods */
+    d3dcompiler_blob_QueryInterface,
+    d3dcompiler_blob_AddRef,
+    d3dcompiler_blob_Release,
+    /* ID3DBlob methods */
+    d3dcompiler_blob_GetBufferPointer,
+    d3dcompiler_blob_GetBufferSize,
+};
+
+HRESULT d3dcompiler_blob_init(struct d3dcompiler_blob *blob, SIZE_T data_size)
+{
+    blob->vtbl = &d3dcompiler_blob_vtbl;
+    blob->refcount = 1;
+    blob->size = data_size;
+
+    blob->data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, data_size);
+    if (!blob->data)
+    {
+        ERR("Failed to allocate D3D blob data memory\n");
+        return E_OUTOFMEMORY;
+    }
+
+    return S_OK;
+}
diff --git a/dlls/d3dcompiler_43/d3dcompiler_43.spec b/dlls/d3dcompiler_43/d3dcompiler_43.spec
index ab6e1d78ae3..13c13a68095 100644
--- a/dlls/d3dcompiler_43/d3dcompiler_43.spec
+++ b/dlls/d3dcompiler_43/d3dcompiler_43.spec
@@ -2,7 +2,7 @@
 @ stub DebugSetMute
 @ stub D3DCompile
 @ stub D3DCompressShaders
-@ stub D3DCreateBlob
+@ stdcall D3DCreateBlob(long ptr)
 @ stub D3DDecompressShaders
 @ stub D3DDisassemble10Effect
 @ stub D3DDisassemble
diff --git a/dlls/d3dcompiler_43/d3dcompiler_43_main.c b/dlls/d3dcompiler_43/d3dcompiler_43_main.c
index cdf69b7ce4c..fa331b9bb29 100644
--- a/dlls/d3dcompiler_43/d3dcompiler_43_main.c
+++ b/dlls/d3dcompiler_43/d3dcompiler_43_main.c
@@ -27,6 +27,8 @@
 #include "winbase.h"
 #include "wine/debug.h"
 
+#include "d3dcompiler_private.h"
+
 WINE_DEFAULT_DEBUG_CHANNEL(d3dcompiler);
 
 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, LPVOID reserved)
@@ -43,3 +45,38 @@ BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, LPVOID reserved)
     }
     return TRUE;
 }
+
+HRESULT WINAPI D3DCreateBlob(SIZE_T data_size, ID3DBlob **blob)
+{
+    struct d3dcompiler_blob *object;
+    HRESULT hr;
+
+    TRACE("data_size %lu, blob %p\n", data_size, blob);
+
+    if (!blob)
+    {
+        WARN("Invalid blob specified.\n");
+        return D3DERR_INVALIDCALL;
+    }
+
+    object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
+    if (!object)
+    {
+        ERR("Failed to allocate D3D blob object memory\n");
+        return E_OUTOFMEMORY;
+    }
+
+    hr = d3dcompiler_blob_init(object, data_size);
+    if (FAILED(hr))
+    {
+        WARN("Failed to initialize blob, hr %#x.\n", hr);
+        HeapFree(GetProcessHeap(), 0, object);
+        return hr;
+    }
+
+    *blob = (ID3DBlob *)object;
+
+    TRACE("Created ID3DBlob %p\n", object);
+
+    return S_OK;
+}
diff --git a/dlls/d3dcompiler_43/d3dcompiler_private.h b/dlls/d3dcompiler_43/d3dcompiler_private.h
new file mode 100644
index 00000000000..0c7cba1dab2
--- /dev/null
+++ b/dlls/d3dcompiler_43/d3dcompiler_private.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010 Rico Schüller
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef __WINE_D3DCOMPILER_PRIVATE_H
+#define __WINE_D3DCOMPILER_PRIVATE_H
+
+#include <stdarg.h>
+
+#define COBJMACROS
+#include "windef.h"
+#include "winbase.h"
+#include "objbase.h"
+
+#include "d3dcompiler.h"
+
+/*
+ * This doesn't belong here, but for some functions it is possible to return that value,
+ * see http://msdn.microsoft.com/en-us/library/bb205278%28v=VS.85%29.aspx
+ * The original definition is in D3DX10core.h.
+ */
+#define D3DERR_INVALIDCALL 0x8876086c
+
+/* ID3DBlob */
+struct d3dcompiler_blob
+{
+    const struct ID3D10BlobVtbl *vtbl;
+    LONG refcount;
+
+    SIZE_T size;
+    void *data;
+};
+
+HRESULT d3dcompiler_blob_init(struct d3dcompiler_blob *blob, SIZE_T data_size) DECLSPEC_HIDDEN;
+
+#endif /* __WINE_D3DCOMPILER_PRIVATE_H */