Undefined (Win32) Externals

[Loopback]

On 2011-06-13 03:54, Loopback wrote:
> On 2011-06-13 01:53, Andrej Mitrovic wrote:
>> Well most API functions stay the same for a long time on Windows.
>> Examples compiled in 1998 for Windows 98 will compile in 2011 for
>> Windows 7, and they will both run fine. At least the simple ones will.
>> The bindings /might/ be missing some new vista/win7 function
>> prototypes but I'm not sure if that's true or not. And if you use
>> vista/win7 features exclusively, you can say goodbye to compatibility
>> with pre-vista systems (if you care about that).
>>
>> I'm not sure why your example is not compiling for you, it does for me:
>>
>> import std.c.windows.windows;
>>
>> extern (Windows)
>> {
>> int GWL_USERDATA;
>> LONG SetWindowLong(HWND, int, LONG);
>> LONG GetWindowLong(HWND, int);
>> }
>>
>> void main()
>> {
>> }
>>
>> But try replacing the prototypes with this (notice the A at the end):
>> LONG SetWindowLongA(HWND, int, LONG);
>> LONG GetWindowLongA(HWND, int);
>>
>> Which DMD version are you running?
> Replacing them with their ASCII variants worked flawlessly! Though
> GWL_USERDATA is apparently undefined (0). To solve this I had to declare
> the variable explicitly:
>
> const int GWL_USERDATA = -21;
>
> About the WindowsAPI binding, is it fully functional for D2, since it
> seems to have been inactive for so long?
>
> Even though I've solved this error (Set-/GetWindowLong) I've got stuck
> with another error (this might be off topic, perhaps a new thread?)
> related to DirectX. At the moment I'm using the DDirectX9 binding (at
> dsource.org). So far it's been working perfectly fine, everything
> compiles and no linker errors, but I do have problems with creating the
> Direct3D9 Device.
>
> The reason I am asking this here (and not in a forum related to DirectX)
> is because there are no debug outputs, even with the DirectX debug DLLs,
> I guess this is related to the D debugger or the wrapper?
>
> To get to the problem, in my code, I set up a Win32 Window like this:
>
> // Window Properties
> WNDCLASSA wnd;
>
> // Setup The Properties
> wnd.style = CS_HREDRAW | CS_VREDRAW;
> wnd.lpfnWndProc = &WindowProc;
> wnd.hInstance = hInstance;
> wnd.lpszClassName = "CWindow";
>
> // Register Class
> RegisterClassA(&wnd);
>
> // Create Window
> m_hWnd = CreateWindowA("CWindow", "Win32&DirectX Test",
> WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 800, 600, null, null,
> hInstance, null);
>
> // Used for static WindowProc
> SetWindowLongA(m_hWnd, GWL_USERDATA, cast(LONG)(cast(void*) this));
>
> // Show & Update The Window
> ShowWindow(m_hWnd, SW_SHOW);
> UpdateWindow(m_hWnd);
>
> After this, I set up the direct3d environment with this code:
>
> // Create Direct3D Interface
> m_d3d = Direct3DCreate9(D3D_SDK_VERSION); // <--- This is successful
>
> // Present Parameters
> D3DPRESENT_PARAMETERS d3dpp = {0};
>
> // Setup the options
> d3dpp.Windowed = true;
> d3dpp.SwapEffect = D3DSWAPEFFECT.D3DSWAPEFFECT_DISCARD;
> d3dpp.hDeviceWindow = m_hWnd;
>
> // Create Direct3D Device
> HRESULT hr = m_d3d.CreateDevice(D3DADAPTER_DEFAULT,
> D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING,
> &d3dpp, &m_d3dDevice);
>
> if(FAILED(hr)) MessageBoxA(null, "Failurreeeee", "Majs", MB_ICONERROR);
>
> The HRESULT from CreateDevice always returns the following:
>
> HRESULT: 0x8876086c (2289436780)
> Name: D3DERR_INVALIDCALL
> Description: Invalid call
> Severity code: Failed
> Facility Code: FACILITY_D3D (2166)
> Error Code: 0x086c (2156)
>
> I've googled this a lot with no avail, and since my code is so small,
> I'm afraid it's related to D or the DirectX Wrapper. I've tried to play
> a bit with the d3dpresent parameters without success...
>
> Once again, I'm sorry if it's inconvenient to post this here, although
> this seems like the most appropriate place.
>
> (if worth noticing, I'm using DMD Version 2.052 and the wrapper is D1)
I've found a solution to the problem, though not the reason. Would be
great if someone could explain. However, using only this code:

d3dpp.Windowed = true;
d3dpp.SwapEffect = D3DSWAPEFFECT.D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = m_hWnd;

The CreateDevice functions throws an D3DERR_INVALIDCALL error. To avoid
this, you have to specify every single parameter individually, etc.

This code worked flawlessly for me (Windowed Mode):

D3DPRESENT_PARAMETERS d3dpp = {0, 0, D3DFMT_UNKNOWN, 1, 
D3DMULTISAMPLE_NONE, 0, D3DSWAPEFFECT_DISCARD, m_hWnd, TRUE, FALSE, 0, 
0, 0, 0 };

No what I am wondering is this; how come this works but not the other 
code snippet? These are more or less equal except that I don't use the
initializer construct for one of the snippets.