[PATCH] d3dcompiler: Implement D3DWriteBlobToFile().

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov 
---
 dlls/d3dcompiler_43/blob.c       | 25 ++++++++++++++++++++---
 dlls/d3dcompiler_43/tests/blob.c | 35 ++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/dlls/d3dcompiler_43/blob.c b/dlls/d3dcompiler_43/blob.c
index 5cc49fe5699..f220eeb6962 100644
--- a/dlls/d3dcompiler_43/blob.c
+++ b/dlls/d3dcompiler_43/blob.c
@@ -514,9 +514,28 @@ HRESULT WINAPI D3DReadFileToBlob(const WCHAR *filename, ID3DBlob **contents)
     return S_OK;
 }

-HRESULT WINAPI D3DWriteBlobToFile(ID3DBlob* blob, const WCHAR *filename, BOOL overwrite)
+HRESULT WINAPI D3DWriteBlobToFile(ID3DBlob *blob, const WCHAR *filename, BOOL overwrite)
 {
-    FIXME("blob %p, filename %s, overwrite %d\n", blob, debugstr_w(filename), overwrite);
+    DWORD written_size;
+    SIZE_T data_size;
+    HANDLE file;
+    BOOL ret;
+
+    TRACE("blob %p, filename %s, overwrite %d.\n", blob, debugstr_w(filename), overwrite);
+
+    file = CreateFileW(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL, overwrite ? CREATE_ALWAYS : CREATE_NEW,
+            FILE_ATTRIBUTE_NORMAL, NULL);
+    if (file == INVALID_HANDLE_VALUE)
+        return HRESULT_FROM_WIN32(GetLastError());

-    return E_NOTIMPL;
+    data_size = ID3D10Blob_GetBufferSize(blob);
+    ret = WriteFile(file, ID3D10Blob_GetBufferPointer(blob), data_size, &written_size, NULL);
+    CloseHandle(file);
+    if (!ret || data_size != written_size)
+    {
+        WARN("Failed to write blob contents.\n");
+        return E_FAIL;
+    }
+
+    return S_OK;
 }
diff --git a/dlls/d3dcompiler_43/tests/blob.c b/dlls/d3dcompiler_43/tests/blob.c
index 3e1a3aa3da3..b59611f7eb6 100644
--- a/dlls/d3dcompiler_43/tests/blob.c
+++ b/dlls/d3dcompiler_43/tests/blob.c
@@ -36,6 +36,7 @@
 static HRESULT (WINAPI *pD3DCreateBlob)(SIZE_T, ID3DBlob **);
 static HRESULT (WINAPI *pD3DGetBlobPart)(const void *, SIZE_T, D3D_BLOB_PART, UINT, ID3DBlob **);
 static HRESULT (WINAPI *pD3DReadFileToBlob)(const WCHAR *, ID3DBlob **);
+static HRESULT (WINAPI *pD3DWriteBlobToFile)(ID3DBlob *blob, const WCHAR *filename, BOOL overwrite);
 static HRESULT (WINAPI *pD3DStripShader)(const void *, SIZE_T, UINT, ID3DBlob **);

#define MAKE_TAG(ch0, ch1, ch2, ch3) \
@@ -761,6 +762,8 @@ static BOOL load_d3dcompiler_47(void)
         return FALSE;

pD3DReadFileToBlob = (void *)GetProcAddress(module, "D3DReadFileToBlob");
+    pD3DWriteBlobToFile = (void *)GetProcAddress(module, "D3DWriteBlobToFile");
+    pD3DCreateBlob = (void *)GetProcAddress(module, "D3DCreateBlob");
     return TRUE;
 }

@@ -862,6 +865,37 @@ static void test_D3DReadFileToBlob(void)
     ID3D10Blob_Release(blob);
 }

+static void test_D3DWriteBlobToFile(void)
+{
+    WCHAR temp_dir[MAX_PATH], filename[MAX_PATH];
+    ID3DBlob *blob;
+    HRESULT hr;
+
+    GetTempPathW(ARRAY_SIZE(temp_dir), temp_dir);
+    GetTempFileNameW(temp_dir, NULL, 0, filename);
+
+    hr = pD3DCreateBlob(16, &blob);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = pD3DWriteBlobToFile(blob, filename, FALSE);
+    ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_EXISTS), "Unexpected hr %#x.\n", hr);
+
+    hr = pD3DWriteBlobToFile(blob, filename, TRUE);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    DeleteFileW(filename);
+
+    hr = pD3DWriteBlobToFile(blob, filename, FALSE);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = pD3DWriteBlobToFile(blob, filename, FALSE);
+    ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_EXISTS), "Unexpected hr %#x.\n", hr);
+
+    DeleteFileW(filename);
+
+    ID3D10Blob_Release(blob);
+}
+
 START_TEST(blob)
 {
     if (load_d3dcompiler_43())
@@ -878,6 +912,7 @@ START_TEST(blob)
     if (load_d3dcompiler_47())
     {
         test_D3DReadFileToBlob();
+        test_D3DWriteBlobToFile();
     }
     else
     {