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BltFast: Honor lPitch, Lock/Unlock surfaces (xlib needs unlock to draw).

This commit is contained in:
Marcus Meissner 1998-11-22 13:28:48 +00:00 committed by Alexandre Julliard
parent 9650864743
commit fa434ffaf2
1 changed files with 11 additions and 4 deletions
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15
graphics/ddraw.c
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@ -679,21 +679,28 @@ static HRESULT WINAPI Xlib_IDirectDrawSurface3_Blt(
static HRESULT WINAPI IDirectDrawSurface3_BltFast(
LPDIRECTDRAWSURFACE3 this,DWORD dstx,DWORD dsty,LPDIRECTDRAWSURFACE3 src,LPRECT32 rsrc,DWORD trans
) {
int i,bpp;
int i,bpp;
DDSURFACEDESC ddesc,sdesc;
if (TRACE_ON(ddraw)) {
FIXME(ddraw,"(%p)->(%ld,%ld,%p,%p,%08lx),stub!\n",
TRACE(ddraw,"(%p)->(%ld,%ld,%p,%p,%08lx)\n",
this,dstx,dsty,src,rsrc,trans
);
TRACE(ddraw," trans:");_dump_DDBLTFAST(trans);fprintf(stderr,"\n");
TRACE(ddraw," srcrect: %dx%d-%dx%d\n",rsrc->left,rsrc->top,rsrc->right,rsrc->bottom);
}
/* We need to lock the surfaces, or we won't get refreshes when done */
src ->lpvtbl->fnLock(src, NULL,&sdesc,0,0);
this->lpvtbl->fnLock(this,NULL,&ddesc,0,0);
bpp = this->s.ddraw->d.depth/8;
for (i=0;i<rsrc->bottom-rsrc->top;i++) {
memcpy( this->s.surface+((i+dsty)*this->s.width*bpp)+dstx*bpp,
src->s.surface +(rsrc->top+i)*src->s.width*bpp+rsrc->left*bpp,
memcpy( ddesc.y.lpSurface+(dsty +i)*ddesc.lPitch+dstx*bpp,
sdesc.y.lpSurface+(rsrc->top+i)*sdesc.lPitch+rsrc->left*bpp,
(rsrc->right-rsrc->left)*bpp
);
}
this->lpvtbl->fnUnlock(this,ddesc.y.lpSurface);
src ->lpvtbl->fnUnlock(src,sdesc.y.lpSurface);
return 0;
}