Clear the second texture stage explicitly

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402038

src/video/win32/SDL_d3drender.c

@@ -400,6 +400,11 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
                                           D3DTA_TEXTURE);
     IDirect3DDevice9_SetTextureStageState(data->device, 0, D3DTSS_ALPHAARG2,
                                           D3DTA_DIFFUSE);
+    /* Disable second texture stage, since we're done */
+    IDirect3DDevice9_SetTextureStageState(data->device, 1, D3DTSS_COLOROP,
+                                          D3DTOP_DISABLE);
+    IDirect3DDevice9_SetTextureStageState(data->device, 1, D3DTSS_ALPHAOP,
+                                          D3DTOP_DISABLE);
 
     return renderer;
 }