Wine/wined3d/clipper.c

af062818b47340eef15700d2f0211576ba3506eevboxsync/* IWineD3DClipper implementation
af062818b47340eef15700d2f0211576ba3506eevboxsync *
af062818b47340eef15700d2f0211576ba3506eevboxsync * Copyright 2000 (c) Marcus Meissner
af062818b47340eef15700d2f0211576ba3506eevboxsync * Copyright 2000 (c) TransGaming Technologies Inc.
af062818b47340eef15700d2f0211576ba3506eevboxsync * Copyright 2006 (c) Stefan Dösinger
af062818b47340eef15700d2f0211576ba3506eevboxsync *
af062818b47340eef15700d2f0211576ba3506eevboxsync * This library is free software; you can redistribute it and/or
af062818b47340eef15700d2f0211576ba3506eevboxsync * modify it under the terms of the GNU Lesser General Public
af062818b47340eef15700d2f0211576ba3506eevboxsync * License as published by the Free Software Foundation; either
af062818b47340eef15700d2f0211576ba3506eevboxsync * version 2.1 of the License, or (at your option) any later version.
af062818b47340eef15700d2f0211576ba3506eevboxsync *
af062818b47340eef15700d2f0211576ba3506eevboxsync * This library is distributed in the hope that it will be useful,
af062818b47340eef15700d2f0211576ba3506eevboxsync * but WITHOUT ANY WARRANTY; without even the implied warranty of
af062818b47340eef15700d2f0211576ba3506eevboxsync * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
af062818b47340eef15700d2f0211576ba3506eevboxsync * Lesser General Public License for more details.
af062818b47340eef15700d2f0211576ba3506eevboxsync *
af062818b47340eef15700d2f0211576ba3506eevboxsync * You should have received a copy of the GNU Lesser General Public
af062818b47340eef15700d2f0211576ba3506eevboxsync * License along with this library; if not, write to the Free Software
af062818b47340eef15700d2f0211576ba3506eevboxsync * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
af062818b47340eef15700d2f0211576ba3506eevboxsync */
af062818b47340eef15700d2f0211576ba3506eevboxsync
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync/*
4b9d6701570cb98fd36e209314239d104ec584d3vboxsync * Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
4b9d6701570cb98fd36e209314239d104ec584d3vboxsync * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync * the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync * a choice of LGPL license versions is made available with the language indicating
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync * that LGPLv2 or any later version may be used, or where a choice of which version
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync * of the LGPL is applied is otherwise unspecified.
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync */
b955672b950093ff7416d1269dd4d3b69983bd8fvboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync#include "config.h"
af062818b47340eef15700d2f0211576ba3506eevboxsync#include <stdio.h>
af062818b47340eef15700d2f0211576ba3506eevboxsync#ifdef HAVE_FLOAT_H
af062818b47340eef15700d2f0211576ba3506eevboxsync# include <float.h>
af062818b47340eef15700d2f0211576ba3506eevboxsync#endif
af062818b47340eef15700d2f0211576ba3506eevboxsync#include "wined3d_private.h"
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncWINE_DEFAULT_DEBUG_CHANNEL(d3d);
af062818b47340eef15700d2f0211576ba3506eevboxsync
5112e32d7072e280613921c982a6672f2c859cf3vboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_QueryInterface(IWineD3DClipper *iface, REFIID riid, void **object)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
5112e32d7072e280613921c982a6672f2c859cf3vboxsync    TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), object);
af062818b47340eef15700d2f0211576ba3506eevboxsync
5112e32d7072e280613921c982a6672f2c859cf3vboxsync    if (IsEqualGUID(riid, &IID_IWineD3DClipper)
5112e32d7072e280613921c982a6672f2c859cf3vboxsync            || IsEqualGUID(riid, &IID_IWineD3DBase)
5112e32d7072e280613921c982a6672f2c859cf3vboxsync            || IsEqualGUID(riid, &IID_IUnknown))
af062818b47340eef15700d2f0211576ba3506eevboxsync    {
5112e32d7072e280613921c982a6672f2c859cf3vboxsync        IUnknown_AddRef(iface);
5112e32d7072e280613921c982a6672f2c859cf3vboxsync        *object = iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync        return S_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync    }
5112e32d7072e280613921c982a6672f2c859cf3vboxsync
5112e32d7072e280613921c982a6672f2c859cf3vboxsync    WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
5112e32d7072e280613921c982a6672f2c859cf3vboxsync
5112e32d7072e280613921c982a6672f2c859cf3vboxsync    *object = NULL;
5112e32d7072e280613921c982a6672f2c859cf3vboxsync    return E_NOINTERFACE;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic ULONG WINAPI IWineD3DClipperImpl_AddRef(IWineD3DClipper *iface )
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync    ULONG ref = InterlockedIncrement(&This->ref);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    return ref;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic ULONG WINAPI IWineD3DClipperImpl_Release(IWineD3DClipper *iface)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync    ULONG ref = InterlockedDecrement(&This->ref);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    if (ref == 0)
af062818b47340eef15700d2f0211576ba3506eevboxsync    {
af062818b47340eef15700d2f0211576ba3506eevboxsync        HeapFree(GetProcessHeap(), 0, This);
af062818b47340eef15700d2f0211576ba3506eevboxsync        return 0;
af062818b47340eef15700d2f0211576ba3506eevboxsync    }
af062818b47340eef15700d2f0211576ba3506eevboxsync    else return ref;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_GetParent(IWineD3DClipper *iface, IUnknown **Parent)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("(%p)->(%p)\n", This, Parent);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    *Parent = This->Parent;
af062818b47340eef15700d2f0211576ba3506eevboxsync    IUnknown_AddRef(*Parent);
af062818b47340eef15700d2f0211576ba3506eevboxsync    return WINED3D_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_SetHwnd(IWineD3DClipper *iface, DWORD Flags, HWND hWnd)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("(%p)->(0x%08x,%p)\n", This, Flags, hWnd);
af062818b47340eef15700d2f0211576ba3506eevboxsync    if( Flags )
af062818b47340eef15700d2f0211576ba3506eevboxsync    {
af062818b47340eef15700d2f0211576ba3506eevboxsync        FIXME("Flags = 0x%08x, not supported.\n",Flags);
af062818b47340eef15700d2f0211576ba3506eevboxsync        return WINED3DERR_INVALIDCALL;
af062818b47340eef15700d2f0211576ba3506eevboxsync    }
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    This->hWnd = hWnd;
af062818b47340eef15700d2f0211576ba3506eevboxsync    return WINED3D_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_GetClipList(IWineD3DClipper *iface, const RECT *Rect,
af062818b47340eef15700d2f0211576ba3506eevboxsync        RGNDATA *ClipList, DWORD *Size)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("(%p,%p,%p,%p)\n", This, Rect, ClipList, Size);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    if (This->hWnd)
af062818b47340eef15700d2f0211576ba3506eevboxsync    {
af062818b47340eef15700d2f0211576ba3506eevboxsync        HDC hDC = GetDCEx(This->hWnd, NULL, DCX_WINDOW);
af062818b47340eef15700d2f0211576ba3506eevboxsync        if (hDC)
af062818b47340eef15700d2f0211576ba3506eevboxsync        {
af062818b47340eef15700d2f0211576ba3506eevboxsync            HRGN hRgn = CreateRectRgn(0,0,0,0);
af062818b47340eef15700d2f0211576ba3506eevboxsync            if (GetRandomRgn(hDC, hRgn, SYSRGN))
af062818b47340eef15700d2f0211576ba3506eevboxsync            {
af062818b47340eef15700d2f0211576ba3506eevboxsync                if (GetVersion() & 0x80000000)
af062818b47340eef15700d2f0211576ba3506eevboxsync                {
af062818b47340eef15700d2f0211576ba3506eevboxsync                    /* map region to screen coordinates */
af062818b47340eef15700d2f0211576ba3506eevboxsync                    POINT org;
af062818b47340eef15700d2f0211576ba3506eevboxsync                    GetDCOrgEx( hDC, &org );
af062818b47340eef15700d2f0211576ba3506eevboxsync                    OffsetRgn( hRgn, org.x, org.y );
af062818b47340eef15700d2f0211576ba3506eevboxsync                }
af062818b47340eef15700d2f0211576ba3506eevboxsync                if (Rect)
af062818b47340eef15700d2f0211576ba3506eevboxsync                {
af062818b47340eef15700d2f0211576ba3506eevboxsync                    HRGN hRgnClip = CreateRectRgn(Rect->left, Rect->top,
af062818b47340eef15700d2f0211576ba3506eevboxsync                        Rect->right, Rect->bottom);
af062818b47340eef15700d2f0211576ba3506eevboxsync                    CombineRgn(hRgn, hRgn, hRgnClip, RGN_AND);
af062818b47340eef15700d2f0211576ba3506eevboxsync                    DeleteObject(hRgnClip);
af062818b47340eef15700d2f0211576ba3506eevboxsync                }
af062818b47340eef15700d2f0211576ba3506eevboxsync                *Size = GetRegionData(hRgn, *Size, ClipList);
af062818b47340eef15700d2f0211576ba3506eevboxsync            }
af062818b47340eef15700d2f0211576ba3506eevboxsync            DeleteObject(hRgn);
af062818b47340eef15700d2f0211576ba3506eevboxsync            ReleaseDC(This->hWnd, hDC);
af062818b47340eef15700d2f0211576ba3506eevboxsync        }
af062818b47340eef15700d2f0211576ba3506eevboxsync        return WINED3D_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync    }
af062818b47340eef15700d2f0211576ba3506eevboxsync    else
af062818b47340eef15700d2f0211576ba3506eevboxsync    {
af062818b47340eef15700d2f0211576ba3506eevboxsync        static int warned = 0;
af062818b47340eef15700d2f0211576ba3506eevboxsync        if (warned++ < 10)
af062818b47340eef15700d2f0211576ba3506eevboxsync            FIXME("(%p,%p,%p,%p),stub!\n",This,Rect,ClipList,Size);
af062818b47340eef15700d2f0211576ba3506eevboxsync        if (Size) *Size=0;
af062818b47340eef15700d2f0211576ba3506eevboxsync        return WINEDDERR_NOCLIPLIST;
af062818b47340eef15700d2f0211576ba3506eevboxsync    }
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_SetClipList(IWineD3DClipper *iface, const RGNDATA *rgn, DWORD Flags)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    static int warned = 0;
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    if (warned++ < 10 || rgn == NULL)
5112e32d7072e280613921c982a6672f2c859cf3vboxsync        FIXME("iface %p, region %p, flags %#x stub!\n", iface, rgn, Flags);
5112e32d7072e280613921c982a6672f2c859cf3vboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    return WINED3D_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_GetHwnd(IWineD3DClipper *iface, HWND *hwnd)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *This = (IWineD3DClipperImpl *)iface;
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("(%p)->(%p)\n", This, hwnd);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    *hwnd = This->hWnd;
af062818b47340eef15700d2f0211576ba3506eevboxsync    return WINED3D_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic HRESULT WINAPI IWineD3DClipperImpl_IsClipListChanged(IWineD3DClipper *iface, BOOL *changed)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
5112e32d7072e280613921c982a6672f2c859cf3vboxsync    FIXME("iface %p, changed %p stub!\n", iface, changed);
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    /* XXX What is safest? */
af062818b47340eef15700d2f0211576ba3506eevboxsync    *changed = FALSE;
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    return WINED3D_OK;
af062818b47340eef15700d2f0211576ba3506eevboxsync}
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncstatic const IWineD3DClipperVtbl IWineD3DClipper_Vtbl =
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_QueryInterface,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_AddRef,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_Release,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_GetParent,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_GetClipList,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_GetHwnd,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_IsClipListChanged,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_SetClipList,
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl_SetHwnd
af062818b47340eef15700d2f0211576ba3506eevboxsync};
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsyncIWineD3DClipper* WINAPI WineDirect3DCreateClipper(IUnknown *Parent)
af062818b47340eef15700d2f0211576ba3506eevboxsync{
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipperImpl *obj;
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    TRACE("Creating clipper, parent %p\n", Parent);
af062818b47340eef15700d2f0211576ba3506eevboxsync    obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*obj));
af062818b47340eef15700d2f0211576ba3506eevboxsync    if(!obj)
af062818b47340eef15700d2f0211576ba3506eevboxsync    {
af062818b47340eef15700d2f0211576ba3506eevboxsync        ERR("Out of memory when trying to allocate a WineD3D Clipper\n");
af062818b47340eef15700d2f0211576ba3506eevboxsync        return NULL;
af062818b47340eef15700d2f0211576ba3506eevboxsync    }
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    obj->lpVtbl = &IWineD3DClipper_Vtbl;
af062818b47340eef15700d2f0211576ba3506eevboxsync    obj->Parent = Parent;
af062818b47340eef15700d2f0211576ba3506eevboxsync
af062818b47340eef15700d2f0211576ba3506eevboxsync    IWineD3DClipper_AddRef((IWineD3DClipper *)obj);
af062818b47340eef15700d2f0211576ba3506eevboxsync    return (IWineD3DClipper *) obj;
af062818b47340eef15700d2f0211576ba3506eevboxsync}