[PATCH] d3dx9/test: magic isn't part of the dds structure

[Alistair Leslie-Hughes]

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
---
 dlls/d3dx9_36/tests/surface.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/dlls/d3dx9_36/tests/surface.c b/dlls/d3dx9_36/tests/surface.c
index 183086f..5a20658 100644
--- a/dlls/d3dx9_36/tests/surface.c
+++ b/dlls/d3dx9_36/tests/surface.c
@@ -200,7 +200,6 @@ struct dds_pixel_format
 
 struct dds_header
 {
-    DWORD magic;
     DWORD size;
     DWORD flags;
     DWORD height;
@@ -222,7 +221,6 @@ static void fill_dds_header(struct dds_header *header)
 {
     memset(header, 0, sizeof(*header));
 
-    header->magic = MAKEFOURCC('D','D','S',' ');
     header->size = sizeof(*header);
     header->flags = DDS_CAPS | DDS_WIDTH | DDS_HEIGHT | DDS_PIXELFORMAT;
     header->height = 4;
@@ -250,10 +248,12 @@ static void check_dds_pixel_format_(unsigned int line,
     D3DXIMAGE_INFO info;
     struct
     {
+        DWORD magic;
         struct dds_header header;
         BYTE data[256];
     } dds;
 
+    dds.magic = MAKEFOURCC('D','D','S',' ');
     fill_dds_header(&dds.header);
     dds.header.pixel_format.flags = flags;
     dds.header.pixel_format.fourcc = fourcc;
@@ -281,6 +281,7 @@ static void test_dds_header_handling(void)
     D3DXIMAGE_INFO info;
     struct
     {
+        DWORD magic;
         struct dds_header header;
         BYTE data[4096 * 1024];
     } *dds;
@@ -399,9 +400,10 @@ static void test_dds_header_handling(void)
 
     for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++)
     {
-        DWORD file_size = sizeof(dds->header) + tests[i].pixel_data_size;
+        DWORD file_size = sizeof(dds->magic) + sizeof(dds->header) + tests[i].pixel_data_size;
         assert(file_size <= sizeof(*dds));
 
+        dds->magic = MAKEFOURCC('D','D','S',' ');
         fill_dds_header(&dds->header);
         dds->header.flags |= tests[i].flags;
         dds->header.width = tests[i].width;
@@ -1235,6 +1237,7 @@ static void test_D3DXSaveSurfaceToFileInMemory(IDirect3DDevice9 *device)
     ID3DXBuffer *buffer;
     IDirect3DSurface9 *surface;
     struct dds_header *header;
+    BYTE *data;
 
     hr = IDirect3DDevice9_CreateOffscreenPlainSurface(device, 4, 4, D3DFMT_A8R8G8B8, D3DPOOL_SCRATCH, &surface, NULL);
     if (FAILED(hr)) {
@@ -1257,9 +1260,10 @@ static void test_D3DXSaveSurfaceToFileInMemory(IDirect3DDevice9 *device)
     todo_wine ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
     if (SUCCEEDED(hr))
     {
-        header = ID3DXBuffer_GetBufferPointer(buffer);
+        data = ID3DXBuffer_GetBufferPointer(buffer);
+        header = (struct dds_header *)(data + sizeof(DWORD));
 
-        ok(header->magic == MAKEFOURCC('D','D','S',' '), "Invalid DDS signature.\n");
+        ok( *(DWORD*)data == MAKEFOURCC('D','D','S',' '), "Invalid DDS signature.\n");
         ok(header->size == 124, "Invalid DDS size %u.\n", header->size);
         ok(!header->height, "Got unexpected height %u.\n", header->height);
         ok(!header->width, "Got unexpected width %u.\n", header->width);
@@ -1274,9 +1278,10 @@ static void test_D3DXSaveSurfaceToFileInMemory(IDirect3DDevice9 *device)
 
     hr = D3DXSaveSurfaceToFileInMemory(&buffer, D3DXIFF_DDS, surface, NULL, NULL);
     ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
-    header = ID3DXBuffer_GetBufferPointer(buffer);
 
-    ok(header->magic == MAKEFOURCC('D','D','S',' '), "Invalid DDS signature.\n");
+    data = ID3DXBuffer_GetBufferPointer(buffer);
+    header = (struct dds_header *)(data + sizeof(DWORD));
+    ok( *(DWORD*)data == MAKEFOURCC('D','D','S',' '), "Invalid DDS signature.\n");
     ok(header->size == 124, "Invalid DDS size %u.\n", header->size);
     ok(header->height == 4, "Got unexpected height %u.\n", header->height);
     ok(header->width == 4, "Got unexpected width %u.\n", header->width);
-- 
2.6.4