[vlc-devel] [PATCH] direct3d9: prefer hardware vertex processing when possible

[Jean-Baptiste Kempf]

For my curiosity, what's the difference?

On Wed, 18 Oct 2017, at 12:33, Steve Lhomme wrote:
> ---
>  modules/video_output/win32/direct3d9.c | 16 ++++++++++++----
>  1 file changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/modules/video_output/win32/direct3d9.c
> b/modules/video_output/win32/direct3d9.c
> index 0798ba3ff9..0c5fec2799 100644
> --- a/modules/video_output/win32/direct3d9.c
> +++ b/modules/video_output/win32/direct3d9.c
> @@ -900,22 +900,30 @@ static int Direct3D9Open(vout_display_t *vd,
> video_format_t *fmt)
>                  d3dai.VendorId, d3dai.DeviceId, d3dai.Revision );
>      }
>  
> +    DWORD creationFlags = D3DCREATE_MULTITHREADED;
> +    if ( (sys->d3dcaps.DevCaps & D3DDEVCAPS_DRAWPRIMTLVERTEX) &&
> +         (sys->d3dcaps.DevCaps & D3DDEVCAPS_HWRASTERIZATION) ) {
> +        creationFlags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
> +    } else if (sys->d3dcaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
> +        creationFlags |= D3DCREATE_MIXED_VERTEXPROCESSING;
> +    } else {
> +        creationFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
> +    }
> +
>      // Create the D3DDevice
>      HRESULT hr;
>      if (sys->use_d3d9ex) {
>          LPDIRECT3DDEVICE9EX d3ddevex;
>          hr = IDirect3D9Ex_CreateDeviceEx((LPDIRECT3D9EX)d3dobj,
>          AdapterToUse,
>                                           DeviceType, sys->sys.hvideownd,
> -                                        
> D3DCREATE_SOFTWARE_VERTEXPROCESSING|
> -                                         D3DCREATE_MULTITHREADED,
> +                                         creationFlags,
>                                           &sys->d3dpp, NULL, &d3ddevex);
>          sys->d3ddev = (LPDIRECT3DDEVICE9)d3ddevex;
>      } else {
>          LPDIRECT3DDEVICE9 d3ddev;
>          hr = IDirect3D9_CreateDevice(d3dobj, AdapterToUse,
>                                       DeviceType, sys->sys.hvideownd,
> -                                    
> D3DCREATE_SOFTWARE_VERTEXPROCESSING|
> -                                     D3DCREATE_MULTITHREADED,
> +                                     creationFlags,
>                                       &sys->d3dpp, &d3ddev);
>          sys->d3ddev = d3ddev;
>      }
> -- 
> 2.14.2
> 
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-- 
Jean-Baptiste Kempf -  President
+33 672 704 734