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Upgrade also 15bpp to 16bpp surfaces.

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Lionel Ulmer 2000-09-13 00:00:26 +00:00 committed by Alexandre Julliard
parent 3489997573
commit 48455b369a
1 changed files with 16 additions and 13 deletions
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29
dlls/ddraw/ddraw/main.c
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@ -549,19 +549,22 @@ HRESULT common_off_screen_CreateSurface(
}
bpp = GET_BPP(lpdsf->s.surface_desc);
if (bpp != PFGET_BPP(This->d->directdraw_pixelformat)) {
/* When the application is requesting a 24 bpp surface and the Direct Draw bpp
is set to 32, we 'upgrade' the requested bpp to 32 to make the blit faster
from off-screen surface to visible surfaces.
With this, Windows Media Player works in 32 bpp mode.
Lionel */
if ((bpp == 3) && (PFGET_BPP(This->d->directdraw_pixelformat) == 4)) {
TRACE("Warning: 'upgrading' requested 24 bpp format to 32 bpp for efficiencies reasons\n");
TRACE(" some applications may have problems with it.\n");
bpp = PFGET_BPP(This->d->directdraw_pixelformat);
lpdsf->s.surface_desc.ddpfPixelFormat = This->d->directdraw_pixelformat;
}
/* When the application is requesting a 24 bpp surface and the Direct Draw bpp
is set to 32, we 'upgrade' the requested bpp to 32 to make the blit faster
from off-screen surface to visible surfaces.
This can also happen with 15 / 16 bpp.
With this, Windows Media Player works in 32 bpp mode.
Lionel
*/
if (((bpp == 3) && (PFGET_BPP(This->d->directdraw_pixelformat) == 4)) ||
((bpp == 2) && (PFGET_BPP(This->d->directdraw_pixelformat) == 2) &&
(lpdsf->s.surface_desc.ddpfPixelFormat.u1.dwRBitMask != This->d->directdraw_pixelformat.u1.dwRBitMask))) {
TRACE("Warning: 'upgrading' requested pixel format to screen pixel format for blit efficiency\n");
TRACE(" some applications may have problems with it.\n");
bpp = PFGET_BPP(This->d->directdraw_pixelformat);
lpdsf->s.surface_desc.ddpfPixelFormat = This->d->directdraw_pixelformat;
}
}