d3dx9/tests: Add tests for D3DXSaveSurfaceToFile.

dlls/d3dx9_36/tests/surface.c

@@ -917,6 +917,89 @@ static void test_D3DXCreateVolumeTexture(IDirect3DDevice9 *device)
     }
 }
 
+static void test_D3DXSaveSurfaceToFile(IDirect3DDevice9 *device)
+{
+    HRESULT hr;
+    IDirect3DSurface9 *surface;
+    RECT rect;
+    D3DLOCKED_RECT lock_rect;
+    D3DXIMAGE_INFO image_info;
+    const BYTE pixels[] = { 0xff, 0x00, 0x00, 0x00, 0xff, 0x00,
+                            0x00, 0x00, 0xff, 0x00, 0x00, 0xff };
+    DWORD pitch = sizeof(pixels) / 2;
+
+    hr = IDirect3DDevice9_CreateOffscreenPlainSurface(device, 2, 2, D3DFMT_R8G8B8, D3DPOOL_SCRATCH, &surface, NULL);
+    if (FAILED(hr)) {
+       skip("Couldn't create surface\n");
+       return;
+    }
+
+    SetRect(&rect, 0, 0, 2, 2);
+    hr = D3DXLoadSurfaceFromMemory(surface, NULL, NULL, pixels, D3DFMT_R8G8B8, pitch, NULL, &rect, D3DX_FILTER_NONE, 0);
+    if (SUCCEEDED(hr)) {
+        hr = D3DXSaveSurfaceToFileA("saved_surface.bmp", D3DXIFF_BMP, surface, NULL, NULL);
+        ok(hr == D3D_OK, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3D_OK);
+
+        hr = D3DXLoadSurfaceFromFileA(surface, NULL, NULL, "saved_surface.bmp", NULL, D3DX_FILTER_NONE, 0, &image_info);
+        ok(hr == D3D_OK, "Couldn't load saved surface %#x\n", hr);
+        if (FAILED(hr)) goto next_tests;
+
+        ok(image_info.Width == 2, "Wrong width %u\n", image_info.Width);
+        ok(image_info.Height == 2, "Wrong height %u\n", image_info.Height);
+        ok(image_info.Format == D3DFMT_R8G8B8, "Wrong format %#x\n", image_info.Format);
+        ok(image_info.ImageFileFormat == D3DXIFF_BMP, "Wrong file format %u\n", image_info.ImageFileFormat);
+
+        hr = IDirect3DSurface9_LockRect(surface, &lock_rect, NULL, D3DLOCK_READONLY);
+        ok(hr == D3D_OK, "Couldn't lock surface %#x\n", hr);
+        if (FAILED(hr)) goto next_tests;
+
+        ok(!memcmp(lock_rect.pBits, pixels, pitch), "Pixel data mismatch in first row\n");
+        ok(!memcmp((BYTE *)lock_rect.pBits + lock_rect.Pitch, pixels + pitch, pitch), "Pixel data mismatch in second row\n");
+
+        IDirect3DSurface9_UnlockRect(surface);
+    } else skip("Couldn't fill surface\n");
+
+next_tests:
+    hr = D3DXSaveSurfaceToFileA(NULL, D3DXIFF_BMP, surface, NULL, NULL);
+    ok(hr == D3DERR_INVALIDCALL, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
+
+    /* PPM and TGA are supported, even though MSDN claims they aren't */
+    todo_wine {
+    hr = D3DXSaveSurfaceToFileA("saved_surface.ppm", D3DXIFF_PPM, surface, NULL, NULL);
+    ok(hr == D3D_OK, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3D_OK);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.tga", D3DXIFF_TGA, surface, NULL, NULL);
+    ok(hr == D3D_OK, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3D_OK);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.dds", D3DXIFF_DDS, surface, NULL, NULL);
+    ok(hr == D3D_OK, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3D_OK);
+    }
+
+    hr = D3DXSaveSurfaceToFileA("saved_surface", D3DXIFF_PFM + 1, surface, NULL, NULL);
+    ok(hr == D3DERR_INVALIDCALL, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
+
+    SetRect(&rect, 0, 0, 4, 4);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.bmp", D3DXIFF_BMP, surface, NULL, &rect);
+    ok(hr == D3DERR_INVALIDCALL, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
+    SetRect(&rect, 2, 0, 1, 4);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.bmp", D3DXIFF_BMP, surface, NULL, &rect);
+    ok(hr == D3DERR_INVALIDCALL, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
+    SetRect(&rect, 0, 2, 4, 1);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.bmp", D3DXIFF_BMP, surface, NULL, &rect);
+    ok(hr == D3DERR_INVALIDCALL, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
+    SetRect(&rect, -1, -1, 2, 2);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.bmp", D3DXIFF_BMP, surface, NULL, &rect);
+    ok(hr == D3DERR_INVALIDCALL, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3DERR_INVALIDCALL);
+    SetRect(&rect, 0, 0, 0, 0);
+    hr = D3DXSaveSurfaceToFileA("saved_surface.bmp", D3DXIFF_BMP, surface, NULL, &rect);
+    ok(hr == D3D_OK, "D3DXSaveSurfaceToFileA returned %#x, expected %#x\n", hr, D3D_OK);
+
+    DeleteFileA("saved_surface.bmp");
+    DeleteFileA("saved_surface.ppm");
+    DeleteFileA("saved_surface.tga");
+    DeleteFileA("saved_surface.dds");
+
+    IDirect3DSurface9_Release(surface);
+}
+
 START_TEST(surface)
 {
     HWND wnd;
@@ -952,6 +1035,7 @@ START_TEST(surface)
     test_D3DXLoadSurface(device);
     test_D3DXCreateCubeTexture(device);
     test_D3DXCreateVolumeTexture(device);
+    test_D3DXSaveSurfaceToFile(device);
 
     check_release((IUnknown*)device, 0);
     check_release((IUnknown*)d3d, 0);