bool
davinciStretchBlit32( void *drv, void *dev, DFBRectangle *srect, DFBRectangle *drect )
{
DavinciDriverData *ddrv = drv;
DavinciDeviceData *ddev = dev;
DFBRegion clip = DFB_REGION_INIT_FROM_RECTANGLE( drect );
D_DEBUG_AT( Davinci_2D, "%s( %4d,%4d-%4dx%4d <- %4d,%4d-%4dx%4d )\n",
__FUNCTION__, DFB_RECTANGLE_VALS(drect), DFB_RECTANGLE_VALS(srect) );
if (!dfb_region_region_intersect( &clip, &ddev->clip ))
return true;
dfb_region_translate( &clip, -drect->x, -drect->y );
davinci_c64x_stretch_32__L( &ddrv->tasks,
ddev->dst_phys + ddev->dst_pitch * drect->y + ddev->dst_bpp * drect->x,
ddev->dst_pitch,
ddev->src_phys + ddev->src_pitch * srect->y + ddev->src_bpp * srect->x,
ddev->src_pitch,
drect->w, drect->h,
srect->w, srect->h,
&clip );
return true;
}
void
dfb_clip_blit_flipped_rotated( const DFBRegion *clip,
DFBRectangle *srect, DFBRectangle *drect, DFBSurfaceBlittingFlags flags )
{
DFBRegion dest = DFB_REGION_INIT_FROM_RECTANGLE( drect );
DFBRegion clipped = dest;
D_ASSERT( !(flags & (DSBLIT_ROTATE270 | DSBLIT_ROTATE180)) );
if (flags & DSBLIT_ROTATE90) {
D_ASSERT( srect->w == drect->h );
D_ASSERT( srect->h == drect->w );
}
else {
D_ASSERT( srect->w == drect->w );
D_ASSERT( srect->h == drect->h );
}
dfb_region_region_intersect( &clipped, clip );
dfb_rectangle_from_region( drect, &clipped );
switch (flags & (DSBLIT_FLIP_HORIZONTAL | DSBLIT_FLIP_VERTICAL | DSBLIT_ROTATE90)) {
case DSBLIT_NOFX:
srect->x += clipped.x1 - dest.x1;
srect->y += clipped.y1 - dest.y1;
break;
case DSBLIT_FLIP_HORIZONTAL:
srect->x += dest.x2 - clipped.x2;
srect->y += clipped.y1 - dest.y1;
break;
case DSBLIT_FLIP_VERTICAL:
srect->x += clipped.x1 - dest.x1;
srect->y += dest.y2 - clipped.y2;
break;
case DSBLIT_ROTATE90:
srect->x += dest.y2 - clipped.y2;
srect->y += clipped.x1 - dest.x1;
break;
case (DSBLIT_FLIP_HORIZONTAL | DSBLIT_FLIP_VERTICAL): // ROTATE180
srect->x += dest.x2 - clipped.x2;
srect->y += dest.y2 - clipped.y2;
break;
case (DSBLIT_ROTATE90 | DSBLIT_FLIP_VERTICAL | DSBLIT_FLIP_HORIZONTAL): // ROTATE270
srect->x += clipped.y1 - dest.y1;
srect->y += dest.x2 - clipped.x2;
break;
case (DSBLIT_ROTATE90 | DSBLIT_FLIP_HORIZONTAL):
srect->x += clipped.y1 - dest.y1;
srect->y += clipped.x1 - dest.x1;
break;
case (DSBLIT_ROTATE90 | DSBLIT_FLIP_VERTICAL):
srect->x += dest.y2 - clipped.y2;
srect->y += dest.x2 - clipped.x2;
break;
}
if (flags & DSBLIT_ROTATE90) {
srect->w = drect->h;
srect->h = drect->w;
}
else {
srect->w = drect->w;
srect->h = drect->h;
}
D_DEBUG_AT( Core_Clipping, " => %4d,%4d-%4dx%4d -> %4d,%4d-%4dx%4d\n",
DFB_RECTANGLE_VALS(srect), DFB_RECTANGLE_VALS(drect) );
}