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Z buffer setting

Started by kevlur Feb 3, 2004 at 6:13 PM 2 replies 350+ views

Original Post

Feb 3, 2004 at 6:13 PM

Hi, could someone show me the steps to set up Zbuffer with Direct3D9, i know only these two things:

...
...
hr=g_d3d_device->Clear(0,  
                       NULL, 
                       D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,   
                       0x00000000,
                       1.0f,  
                       0);
...
...
g_d3d_device->SetRenderState(D3DRS_ZENABLE,D3DZB_TRUE);
...
...

but when i run the program the screen is all black... (and with Zbuffer deactivated all works fine(but without Zbuffer

)) Thanks Kev

RenderTarget

Feb 3, 2004 at 6:33 PM

Are you creating the depth buffer when you create the device?

What are your viewport settings?

I like pie.

kevlur

Author

kevlur

Feb 3, 2004 at 6:49 PM

These are the device setting up and initialization


HRESULT dhInitDevice(IDirect3D9 *p_d3d,bool p_fullscreen,HWND p_window,
					 DWORD p_width,DWORD p_height,D3DFORMAT p_format,
					 D3DFORMAT p_depth,IDirect3DDevice9 **p_device,
					 D3DPRESENT_PARAMETERS *p_pp){

   HRESULT hr;

   ZeroMemory(p_pp,sizeof(D3DPRESENT_PARAMETERS));
   
   
   p_pp->BackBufferCount= 1;  
   p_pp->MultiSampleType=D3DMULTISAMPLE_NONE; 
   p_pp->MultiSampleQuality=0; 
   p_pp->SwapEffect     = D3DSWAPEFFECT_DISCARD; 
   p_pp->hDeviceWindow  = p_window;  
   p_pp->Flags=0;  
   p_pp->FullScreen_RefreshRateInHz=D3DPRESENT_RATE_DEFAULT; 
   p_pp->PresentationInterval=D3DPRESENT_INTERVAL_IMMEDIATE; 
   p_pp->BackBufferFormat  = p_format; 

   if(p_depth==D3DFMT_UNKNOWN){
      p_pp->EnableAutoDepthStencil=FALSE;
   }else{
      p_pp->EnableAutoDepthStencil=TRUE;
   }

   p_pp->AutoDepthStencilFormat=p_depth; 

   if(p_fullscreen){
      p_pp->Windowed          = FALSE;
      p_pp->BackBufferWidth   = p_width;
      p_pp->BackBufferHeight  = p_height;
   }else{
      p_pp->Windowed          = TRUE;
   }
   
   hr=p_d3d->CreateDevice(D3DADAPTER_DEFAULT, 
                        
                        D3DDEVTYPE_HAL,
                        
                        p_window,
                        
                        D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                        
                        p_pp,
                        
                        p_device);
   

   return hr;
}

How to create the depth buffer?

kevlur

Author

kevlur

Feb 3, 2004 at 7:18 PM

Ok, it was the depth buffer, now i create it and works fine with Zbuffer

Thanks

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