wine/dlls/wined3d/clipper.c

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/* IWineD3DClipper implementation
*
* Copyright 2000 (c) Marcus Meissner
* Copyright 2000 (c) TransGaming Technologies Inc.
* Copyright 2006 (c) Stefan D<EFBFBD>singer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdio.h>
#ifdef HAVE_FLOAT_H
# include <float.h>
#endif
#include "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d);
static HRESULT WINAPI IWineD3DClipperImpl_QueryInterface(IWineD3DClipper *iface, REFIID riid, void **Obj)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
TRACE("(%p)->(%p,%p)\n", This, riid, Obj);
if (IsEqualGUID(&IID_IUnknown, riid)
|| IsEqualGUID(&IID_IWineD3DClipper, riid))
{
*Obj = iface;
IWineD3DClipper_AddRef(iface);
return S_OK;
}
else
{
return E_NOINTERFACE;
}
}
static ULONG WINAPI IWineD3DClipperImpl_AddRef(IWineD3DClipper *iface )
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
return ref;
}
static ULONG WINAPI IWineD3DClipperImpl_Release(IWineD3DClipper *iface)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
if (ref == 0)
{
HeapFree(GetProcessHeap(), 0, This);
return 0;
}
else return ref;
}
static HRESULT WINAPI IWineD3DClipperImpl_GetParent(IWineD3DClipper *iface, IUnknown **Parent)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
TRACE("(%p)->(%p)\n", This, Parent);
*Parent = This->Parent;
IUnknown_AddRef(*Parent);
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DClipperImpl_SetHwnd(IWineD3DClipper *iface, DWORD Flags, HWND hWnd)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
TRACE("(%p)->(0x%08x,%p)\n", This, Flags, hWnd);
if( Flags )
{
FIXME("Flags = 0x%08x, not supported.\n",Flags);
return WINED3DERR_INVALIDCALL;
}
This->hWnd = hWnd;
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DClipperImpl_GetClipList(IWineD3DClipper *iface, RECT *Rect, RGNDATA *ClipList, DWORD *Size)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
TRACE("(%p,%p,%p,%p)\n", This, Rect, ClipList, Size);
if (This->hWnd)
{
HDC hDC = GetDCEx(This->hWnd, NULL, DCX_WINDOW);
if (hDC)
{
HRGN hRgn = CreateRectRgn(0,0,0,0);
if (GetRandomRgn(hDC, hRgn, SYSRGN))
{
if (GetVersion() & 0x80000000)
{
/* map region to screen coordinates */
POINT org;
GetDCOrgEx( hDC, &org );
OffsetRgn( hRgn, org.x, org.y );
}
if (Rect)
{
HRGN hRgnClip = CreateRectRgn(Rect->left, Rect->top,
Rect->right, Rect->bottom);
CombineRgn(hRgn, hRgn, hRgnClip, RGN_AND);
DeleteObject(hRgnClip);
}
*Size = GetRegionData(hRgn, *Size, ClipList);
}
DeleteObject(hRgn);
ReleaseDC(This->hWnd, hDC);
}
return WINED3D_OK;
}
else
{
static int warned = 0;
if (warned++ < 10)
FIXME("(%p,%p,%p,%p),stub!\n",This,Rect,ClipList,Size);
if (Size) *Size=0;
return WINEDDERR_NOCLIPLIST;
}
}
static HRESULT WINAPI IWineD3DClipperImpl_SetClipList(IWineD3DClipper *iface, RGNDATA *rgn, DWORD Flags)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
static int warned = 0;
if (warned++ < 10 || rgn == NULL)
FIXME("(%p,%p,%d),stub!\n",This,rgn,Flags);
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DClipperImpl_GetHwnd(IWineD3DClipper *iface, HWND *hwnd)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
TRACE("(%p)->(%p)\n", This, hwnd);
*hwnd = This->hWnd;
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DClipperImpl_IsClipListChanged(IWineD3DClipper *iface, BOOL *changed)
{
IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
FIXME("(%p)->(%p),stub!\n",This,changed);
/* XXX What is safest? */
*changed = FALSE;
return WINED3D_OK;
}
static const IWineD3DClipperVtbl IWineD3DClipper_Vtbl =
{
IWineD3DClipperImpl_QueryInterface,
IWineD3DClipperImpl_AddRef,
IWineD3DClipperImpl_Release,
IWineD3DClipperImpl_GetParent,
IWineD3DClipperImpl_GetClipList,
IWineD3DClipperImpl_GetHwnd,
IWineD3DClipperImpl_IsClipListChanged,
IWineD3DClipperImpl_SetClipList,
IWineD3DClipperImpl_SetHwnd
};
IWineD3DClipper* WINAPI WineDirect3DCreateClipper(IUnknown *Parent)
{
IWineD3DClipperImpl *obj;
TRACE("Creating clipper, parent %p\n", Parent);
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*obj));
if(!obj)
{
ERR("Out of memory when trying to allocate a WineD3D Clipper\n");
return NULL;
}
obj->lpVtbl = &IWineD3DClipper_Vtbl;
obj->Parent = Parent;
IWineD3DClipper_AddRef((IWineD3DClipper *)obj);
return (IWineD3DClipper *) obj;
}