using palette in Direct3D (Direct9)

[cossack5]

I have some large project written in directdraw. But I want to port it to Direct9.

Everythying is OK, except the colors on the screen. I don't know how to use palette in D3D (SetPaletteEntries and SetCurrentTexturePalette function).

Here is my code of creating d3d and device

  if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
       return E_FAIL;
   D3DPRESENT_PARAMETERS d3dpp;
   ZeroMemory( &d3dpp, sizeof( d3dpp ) );
   d3dpp.Windowed = TRUE;
   d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.Flags=D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
   d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
d3dpp.BackBufferCount=1;
d3dpp.hDeviceWindow=hWnd;
     if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,hWnd,D3DCREATE_HARDWARE_VERTEXPROCESSING,&d3dpp,&g_pd3dDevice ) ) )
     {
       return E_FAIL;
     }
HRESULT hr=g_pd3dDevice->CreateOffscreenPlainSurface(width,height,D3DFMT_L8,D3DPOOL_DEFAULT,&g_p2DSurface,NULL);

As you see, I create surface using D3DFMT_L8 format (my game uses 8-bit format and palette in DirectDraw). The rest of 8 bit formats in D3D doesn't work - if i choose D3DFMT_P8 i get the black screen with nothing more, A8 - the same as D3DFMT_P8.

Then I get pointer to the screen using this function:

bool LockScreen() // lock screen running Direct3D 9
{
if (!g_p2DSurface) return false;
D3DLOCKED_RECT rectLock;
long dderr=g_p2DSurface->LockRect(&rectLock,NULL,D3DLOCK_NOSYSLOCK|D3DLOCK_DONOTWAIT);
if (dderr!=D3D_OK) return false;
RSCRSizeX=rectLock.Pitch;
RealScreenPtr=rectLock.pBits;
return true;
};

I'm trying to use palette like this:

PALETTEENRY GPal[256];
// here we load palette from file
	 if (g_pd3dDevice->SetPaletteEntries(16384,&GPal[0])!=D3D_OK) return false;
 else{
if (g_pd3dDevice->SetCurrentTexturePalette(16384)!=D3D_OK)
                      return false;
		   };

But that code does nothing. Where have I made a mistake?

 

When i'm going to expose all the images to the screen i call this function:

void EndRender()
{
if (g_p2DSurface) 
{
    IDirect3DSurface9* pBackbuffer;
g_pd3dDevice->GetBackBuffer(0,0,D3DBACKBUFFER_TYPE_MONO,&pBackbuffer);
g_pd3dDevice->StretchRect(g_p2DSurface,NULL,pBackbuffer,NULL,D3DTEXF_POINT);
     g_pd3dDevice->EndScene(); // works without it
   g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
};
};

So the problem is that I get the grey images (though in DirectDraw with palette loaded and applied to the surface they are fine). What am I doing wrong?

Any help will be appreciated.

Edited June 25, 2012 by cossack5