[PATCH v2 2/2] d3dcompiler: Implement D3DWriteBlobToFile().

[Matteo Bruni]

From: Nikolay Sivov <nsivov at codeweavers.com>

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
---
v2: Rebase on top of the previous patch, tweak TRACE().

 dlls/d3dcompiler_43/blob.c       | 25 ++++++++++++++++++++++---
 dlls/d3dcompiler_43/tests/blob.c | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 3 deletions(-)

diff --git a/dlls/d3dcompiler_43/blob.c b/dlls/d3dcompiler_43/blob.c
index 5cc49fe5699..ee23893576d 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 %#x.\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 9369fcd97f5..400d5940bf7 100644
--- a/dlls/d3dcompiler_43/tests/blob.c
+++ b/dlls/d3dcompiler_43/tests/blob.c
@@ -859,6 +859,37 @@ static void test_D3DReadFileToBlob(void)
     DeleteFileW(filename);
     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 = D3DCreateBlob(16, &blob);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = D3DWriteBlobToFile(blob, filename, FALSE);
+    ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_EXISTS), "Unexpected hr %#x.\n", hr);
+
+    hr = D3DWriteBlobToFile(blob, filename, TRUE);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    DeleteFileW(filename);
+
+    hr = D3DWriteBlobToFile(blob, filename, FALSE);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = D3DWriteBlobToFile(blob, filename, FALSE);
+    ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_EXISTS), "Unexpected hr %#x.\n", hr);
+
+    DeleteFileW(filename);
+
+    ID3D10Blob_Release(blob);
+}
 #endif
 #endif
 
@@ -870,6 +901,7 @@ START_TEST(blob)
     test_get_blob_part2();
 #if D3D_COMPILER_VERSION >= 46
     test_D3DReadFileToBlob();
+    test_D3DWriteBlobToFile();
 #endif
 #endif
 }
-- 
2.34.1