Commit 10d2a937 authored by Henri Verbeet's avatar Henri Verbeet Committed by Alexandre Julliard

ddraw: Add support for clipped blits.

parent e6fb4537
......@@ -1270,6 +1270,125 @@ static HRESULT WINAPI ddraw_surface1_Flip(IDirectDrawSurface *iface, IDirectDraw
dst_impl ? &dst_impl->IDirectDrawSurface7_iface : NULL, flags);
}
static HRESULT ddraw_surface_blt_clipped(IDirectDrawSurfaceImpl *dst_surface, const RECT *dst_rect_in,
IDirectDrawSurfaceImpl *src_surface, const RECT *src_rect_in, DWORD flags,
const WINEDDBLTFX *fx, WINED3DTEXTUREFILTERTYPE filter)
{
struct wined3d_surface *wined3d_src_surface = src_surface ? src_surface->wined3d_surface : NULL;
RECT src_rect, dst_rect;
float scale_x, scale_y;
const RECT *clip_rect;
UINT clip_list_size;
RGNDATA *clip_list;
HRESULT hr = DD_OK;
UINT i;
if (!dst_surface->clipper)
{
if (src_surface && src_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
hr = ddraw_surface_update_frontbuffer(src_surface, src_rect_in, TRUE);
if (SUCCEEDED(hr))
hr = wined3d_surface_blt(dst_surface->wined3d_surface, dst_rect_in,
wined3d_src_surface, src_rect_in, flags, fx, filter);
if (SUCCEEDED(hr) && (dst_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER))
hr = ddraw_surface_update_frontbuffer(dst_surface, dst_rect_in, FALSE);
return hr;
}
if (!dst_rect_in)
{
dst_rect.left = 0;
dst_rect.top = 0;
dst_rect.right = dst_surface->surface_desc.dwWidth;
dst_rect.bottom = dst_surface->surface_desc.dwHeight;
}
else
{
dst_rect = *dst_rect_in;
}
if (IsRectEmpty(&dst_rect))
return DDERR_INVALIDRECT;
if (src_surface)
{
if (!src_rect_in)
{
src_rect.left = 0;
src_rect.top = 0;
src_rect.right = src_surface->surface_desc.dwWidth;
src_rect.bottom = src_surface->surface_desc.dwHeight;
}
else
{
src_rect = *src_rect_in;
}
if (IsRectEmpty(&src_rect))
return DDERR_INVALIDRECT;
}
else
{
SetRect(&src_rect, 0, 0, 0, 0);
}
scale_x = (float)(src_rect.right - src_rect.left) / (float)(dst_rect.right - dst_rect.left);
scale_y = (float)(src_rect.bottom - src_rect.top) / (float)(dst_rect.bottom - dst_rect.top);
if (FAILED(hr = IDirectDrawClipper_GetClipList(&dst_surface->clipper->IDirectDrawClipper_iface,
&dst_rect, NULL, &clip_list_size)))
{
WARN("Failed to get clip list size, hr %#x.\n", hr);
return hr;
}
if (!(clip_list = HeapAlloc(GetProcessHeap(), 0, clip_list_size)))
{
WARN("Failed to allocate clip list.\n");
return E_OUTOFMEMORY;
}
if (FAILED(hr = IDirectDrawClipper_GetClipList(&dst_surface->clipper->IDirectDrawClipper_iface,
&dst_rect, clip_list, &clip_list_size)))
{
WARN("Failed to get clip list, hr %#x.\n", hr);
return hr;
}
clip_rect = (RECT *)clip_list->Buffer;
for (i = 0; i < clip_list->rdh.nCount; ++i)
{
RECT src_rect_clipped = src_rect;
if (src_surface)
{
src_rect_clipped.left += (clip_rect[i].left - dst_rect.left) * scale_x;
src_rect_clipped.top += (clip_rect[i].top - dst_rect.top) * scale_y;
src_rect_clipped.right -= (dst_rect.right - clip_rect[i].right) * scale_x;
src_rect_clipped.bottom -= (dst_rect.bottom - clip_rect[i].bottom) * scale_y;
if (src_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
{
if (FAILED(hr = ddraw_surface_update_frontbuffer(src_surface, &src_rect_clipped, TRUE)))
break;
}
}
if (FAILED(hr = wined3d_surface_blt(dst_surface->wined3d_surface, &clip_rect[i],
wined3d_src_surface, &src_rect_clipped, flags, fx, filter)))
break;
if (dst_surface->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
{
if (FAILED(hr = ddraw_surface_update_frontbuffer(dst_surface, &clip_rect[i], FALSE)))
break;
}
}
return hr;
}
/*****************************************************************************
* IDirectDrawSurface7::Blt
*
......@@ -1322,13 +1441,8 @@ static HRESULT WINAPI ddraw_surface7_Blt(IDirectDrawSurface7 *iface, RECT *DestR
* does, copy the struct, and replace the ddraw surfaces with the wined3d
* surfaces. So far no blitting operations using surfaces in the bltfx
* struct are supported anyway. */
if (Src && Src->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
hr = ddraw_surface_update_frontbuffer(Src, SrcRect, TRUE);
if (SUCCEEDED(hr))
hr = wined3d_surface_blt(This->wined3d_surface, DestRect, Src ? Src->wined3d_surface : NULL,
SrcRect, Flags, (WINEDDBLTFX *)DDBltFx, WINED3DTEXF_LINEAR);
if (SUCCEEDED(hr) && (This->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER))
hr = ddraw_surface_update_frontbuffer(This, DestRect, FALSE);
hr = ddraw_surface_blt_clipped(This, DestRect, Src, SrcRect,
Flags, (WINEDDBLTFX *)DDBltFx, WINED3DTEXF_LINEAR);
wined3d_mutex_unlock();
switch(hr)
......@@ -3756,13 +3870,7 @@ static HRESULT WINAPI ddraw_surface7_BltFast(IDirectDrawSurface7 *iface, DWORD d
flags |= WINEDDBLT_DONOTWAIT;
wined3d_mutex_lock();
if (src->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
hr = ddraw_surface_update_frontbuffer(src, rsrc, TRUE);
if (SUCCEEDED(hr))
hr = wined3d_surface_blt(This->wined3d_surface, &dst_rect,
src->wined3d_surface, rsrc, flags, NULL, WINED3DTEXF_POINT);
if (SUCCEEDED(hr) && (This->surface_desc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER))
hr = ddraw_surface_update_frontbuffer(This, &dst_rect, FALSE);
hr = ddraw_surface_blt_clipped(This, &dst_rect, src, rsrc, flags, NULL, WINED3DTEXF_POINT);
wined3d_mutex_unlock();
switch(hr)
......
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