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wined3d: Merge destination rectangle operations into a single block in IWineD3DBaseSurfaceImpl_Blt().

This commit is contained in:
Henri Verbeet 2010-05-20 09:12:21 +02:00 committed by Alexandre Julliard
parent 3884bb3bdc
commit e5c76f7396
1 changed files with 93 additions and 95 deletions
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188
dlls/wined3d/surface_base.c
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@ -1033,107 +1033,105 @@ HRESULT WINAPI IWineD3DBaseSurfaceImpl_Blt(IWineD3DSurface *iface, const RECT *D
memset(&xsrc, 0, sizeof(xsrc));
}
/* For the Destination rect, it can be out of bounds on the condition that a clipper
* is set for the given surface.
*/
if (!This->clipper && DestRect &&
((DestRect->bottom > This->currentDesc.Height)||(DestRect->bottom < 0) ||
(DestRect->top > This->currentDesc.Height)||(DestRect->top < 0) ||
(DestRect->left > This->currentDesc.Width) ||(DestRect->left < 0) ||
(DestRect->right > This->currentDesc.Width) ||(DestRect->right < 0) ||
(DestRect->right < DestRect->left) ||(DestRect->bottom < DestRect->top)))
{
WARN("Application gave us bad destination rectangle for Blt without a clipper set.\n");
return WINEDDERR_INVALIDRECT;
}
/* Now handle negative values in the rectangles. Warning: only supported
* for now in the 'simple' cases (ie not in any stretching / rotation
* cases). First, the case where nothing is to be done. */
if (DestRect && (DestRect->bottom <= 0 || DestRect->right <= 0
|| DestRect->top >= (int)This->currentDesc.Height
|| DestRect->left >= (int)This->currentDesc.Width))
{
TRACE("Nothing to be done.\n");
return WINED3D_OK;
}
if (DestRect)
{
xdst = *DestRect;
/* For the Destination rect, it can be out of bounds on the condition
* that a clipper is set for the given surface. */
if (!This->clipper && (DestRect->right < DestRect->left || DestRect->bottom < DestRect->top
|| DestRect->left > This->currentDesc.Width || DestRect->left < 0
|| DestRect->top > This->currentDesc.Height || DestRect->top < 0
|| DestRect->right > This->currentDesc.Width || DestRect->right < 0
|| DestRect->bottom > This->currentDesc.Height || DestRect->bottom < 0))
{
WARN("Application gave us bad destination rectangle for Blt without a clipper set.\n");
return WINEDDERR_INVALIDRECT;
}
if (DestRect->right <= 0 || DestRect->bottom <= 0
|| DestRect->left >= (int)This->currentDesc.Width
|| DestRect->top >= (int)This->currentDesc.Height)
{
TRACE("Nothing to be done.\n");
return WINED3D_OK;
}
if (!Src)
{
RECT full_rect;
full_rect.left = 0;
full_rect.top = 0;
full_rect.right = This->currentDesc.Width;
full_rect.bottom = This->currentDesc.Height;
IntersectRect(&xdst, &full_rect, DestRect);
}
else
{
BOOL clip_horiz, clip_vert;
xdst = *DestRect;
clip_horiz = xdst.left < 0 || xdst.right > (int)This->currentDesc.Width;
clip_vert = xdst.top < 0 || xdst.bottom > (int)This->currentDesc.Height;
if (clip_vert || clip_horiz)
{
/* Now check if this is a special case or not... */
if ((Flags & WINEDDBLT_DDFX)
|| (clip_horiz && xdst.right - xdst.left != xsrc.right - xsrc.left)
|| (clip_vert && xdst.bottom - xdst.top != xsrc.bottom - xsrc.top))
{
WARN("Out of screen rectangle in special case. Not handled right now.\n");
return WINED3D_OK;
}
if (clip_horiz)
{
if (xdst.left < 0)
{
xsrc.left -= xdst.left;
xdst.left = 0;
}
if (xdst.right > This->currentDesc.Width)
{
xsrc.right -= (xdst.right - (int)This->currentDesc.Width);
xdst.right = (int)This->currentDesc.Width;
}
}
if (clip_vert)
{
if (xdst.top < 0)
{
xsrc.top -= xdst.top;
xdst.top = 0;
}
if (xdst.bottom > This->currentDesc.Height)
{
xsrc.bottom -= (xdst.bottom - (int)This->currentDesc.Height);
xdst.bottom = (int)This->currentDesc.Height;
}
}
/* And check if after clipping something is still to be done... */
if ((xdst.right <= 0) || (xdst.bottom <= 0)
|| (xdst.left >= (int)This->currentDesc.Width)
|| (xdst.top >= (int)This->currentDesc.Height)
|| (xsrc.right <= 0) || (xsrc.bottom <= 0)
|| (xsrc.left >= (int) Src->currentDesc.Width)
|| (xsrc.top >= (int)Src->currentDesc.Height))
{
TRACE("Nothing to be done after clipping.\n");
return WINED3D_OK;
}
}
}
}
else
{
xdst.top = 0;
xdst.left = 0;
xdst.top = 0;
xdst.right = This->currentDesc.Width;
xdst.bottom = This->currentDesc.Height;
xdst.left = 0;
xdst.right = This->currentDesc.Width;
}
/* The easy case : the source-less blits.... */
if (Src == NULL && DestRect)
{
RECT full_rect;
RECT temp_rect; /* No idea if intersect rect can be the same as one of the source rect */
full_rect.left = 0;
full_rect.top = 0;
full_rect.right = This->currentDesc.Width;
full_rect.bottom = This->currentDesc.Height;
IntersectRect(&temp_rect, &full_rect, DestRect);
xdst = temp_rect;
}
else if (DestRect)
{
/* Only handle clipping on the destination rectangle */
int clip_horiz = (DestRect->left < 0) || (DestRect->right > (int) This->currentDesc.Width );
int clip_vert = (DestRect->top < 0) || (DestRect->bottom > (int) This->currentDesc.Height);
if (clip_vert || clip_horiz)
{
/* Now check if this is a special case or not... */
if ((((DestRect->bottom - DestRect->top ) != (xsrc.bottom - xsrc.top )) && clip_vert ) ||
(((DestRect->right - DestRect->left) != (xsrc.right - xsrc.left)) && clip_horiz) ||
(Flags & WINEDDBLT_DDFX))
{
WARN("Out of screen rectangle in special case. Not handled right now.\n");
return WINED3D_OK;
}
if (clip_horiz)
{
if (DestRect->left < 0) { xsrc.left -= DestRect->left; xdst.left = 0; }
if (DestRect->right > This->currentDesc.Width)
{
xsrc.right -= (DestRect->right - (int) This->currentDesc.Width);
xdst.right = (int) This->currentDesc.Width;
}
}
if (clip_vert)
{
if (DestRect->top < 0)
{
xsrc.top -= DestRect->top;
xdst.top = 0;
}
if (DestRect->bottom > This->currentDesc.Height)
{
xsrc.bottom -= (DestRect->bottom - (int) This->currentDesc.Height);
xdst.bottom = (int) This->currentDesc.Height;
}
}
/* And check if after clipping something is still to be done... */
if ((xdst.bottom <= 0) || (xdst.right <= 0) ||
(xdst.top >= (int) This->currentDesc.Height) ||
(xdst.left >= (int) This->currentDesc.Width) ||
(xsrc.bottom <= 0) || (xsrc.right <= 0) ||
(xsrc.top >= (int) Src->currentDesc.Height) ||
(xsrc.left >= (int) Src->currentDesc.Width))
{
TRACE("Nothing to be done after clipping !\n");
return WINED3D_OK;
}
}
}
if (Src == This)