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OS2DDRAW.CPP@ 8115

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Last change on this file since 8115 was 8115, checked in by sandervl, 23 years ago
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1	/* $Id: OS2DDRAW.CPP,v 1.34 2002-03-22 13:49:54 sandervl Exp $ */
2
3	/*
4	* DX Draw base class implementation
5	*
6	* Copyright 1998 Sander van Leeuwen
7	* Copyright 1999 Markus Montkowski
8	* Copyright 2000 Przemyslaw Dobrowolski
9	* Copyright 2001 Michal Necasek
10	*
11	* Project Odin Software License can be found in LICENSE.TXT
12	*
13	*/
14	#define _OS2WIN_H
15	#define FAR
16
17	#include <odin.h>
18	#include <winbase.h>
19	#include <stdlib.h>
20	#include <string.h>
21	#include <memory.h>
22
23	#define INITGUID
24	#include "os2ddraw.h"
25	#include "os2clipper.h"
26	#include "os2palette.h"
27	#include "os2surface.h"
28	#include <misc.h>
29	#include <string.h>
30	#include <winreg.h>
31	#include <winuser.h>
32	#include <winerror.h>
33	#include <options.h>
34	#include "cio2.h"
35	#include "os2util.h"
36	#include "os2fsdd.h"
37	// include with the videomodes we support
38	// better would be to get these modes from the card
39	// But for now we use standard VESA 2.0 modes with 70Hz
40	#include "os2ddrawmodes.h"
41	#include "os2DDWindow.h"
42	#include "os2palset.h"
43
44	#define KEY_DIRECT2 "\\Software\\Win32OS2\\Direct2"
45	#define KEY_DIRECT2DRAW "\\Software\\Win32OS2\\Direct2\\Draw"
46
47
48	BOOL bUseFSDD = FALSE;
49
50	FOURCC SupportedFourCCs[] = {FOURCC_SCRN,FOURCC_LUT8,FOURCC_R565,FOURCC_RGB3,FOURCC_RGB4};
51	//******************************************************************************
52	//******************************************************************************
53	OS2IDirectDraw::OS2IDirectDraw(GUID *lpGUID) :
54	Referenced(0), lastError(DD_OK),
55	pFrameBuffer(NULL), hwndClient(0), screenwidth(640),
56	screenheight(480), screenbpp(8),PrimaryExists(FALSE),pPrimSurf(NULL)
57
58	{
59	HKEY hkDirectDraw2;
60	DWORD dwVSize, dwVType;
61	ULONG rc;
62	FOURCC fccModes[100];
63
64	// Setup table for 3d devices
65	Vtbl3D.AddRef = D3DAddRef;
66	Vtbl3D.Release = D3DRelease;
67	Vtbl3D.QueryInterface = D3DQueryInterface;
68	Vtbl3D.Initialize = D3DInitialize;
69	Vtbl3D.EnumDevices = D3DEnumDevices;
70	Vtbl3D.CreateLight = D3DCreateLight;
71	Vtbl3D.CreateMaterial = D3DCreateMaterial;
72	Vtbl3D.CreateViewport = D3DCreateViewport;
73	Vtbl3D.FindDevice = D3DFindDevice;
74
75	// Org Interface
76	Vtbl.AddRef = DrawAddRef;
77	Vtbl.Release = DrawRelease;
78	Vtbl.QueryInterface = DrawQueryInterface;
79	Vtbl.Compact = DrawCompact;
80	Vtbl.CreateClipper = DrawCreateClipper;
81	Vtbl.CreatePalette = DrawCreatePalette;
82	Vtbl.CreateSurface = DrawCreateSurface;
83	Vtbl.DuplicateSurface = DrawDuplicateSurface;
84	Vtbl.EnumDisplayModes = DrawEnumDisplayModes;
85	Vtbl.EnumSurfaces = DrawEnumSurfaces;
86	Vtbl.FlipToGDISurface = DrawFlipToGDISurface;
87	Vtbl.GetCaps = DrawGetCaps;
88	Vtbl.GetDisplayMode = DrawGetDisplayMode;
89	Vtbl.GetFourCCCodes = DrawGetFourCCCodes;
90	Vtbl.GetGDISurface = DrawGetGDISurface;
91	Vtbl.GetMonitorFrequency = DrawGetMonitorFrequency;
92	Vtbl.GetScanLine = DrawGetScanLine;
93	Vtbl.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
94	Vtbl.Initialize = DrawInitialize;
95	Vtbl.RestoreDisplayMode = DrawRestoreDisplayMode;
96	Vtbl.SetCooperativeLevel = DrawSetCooperativeLevel;
97	Vtbl.SetDisplayMode = DrawSetDisplayMode;
98	Vtbl.WaitForVerticalBlank = DrawWaitForVerticalBlank;
99
100	// V2 Interface
101
102	Vtbl2.AddRef = DrawAddRef;
103	Vtbl2.Release = DrawRelease;
104	Vtbl2.QueryInterface = DrawQueryInterface;
105	Vtbl2.Compact = DrawCompact;
106	Vtbl2.CreateClipper = DrawCreateClipper;
107	Vtbl2.CreatePalette = DrawCreatePalette;
108	Vtbl2.CreateSurface = DrawCreateSurface;
109	Vtbl2.DuplicateSurface = DrawDuplicateSurface;
110	Vtbl2.EnumDisplayModes = DrawEnumDisplayModes;
111	Vtbl2.EnumSurfaces = DrawEnumSurfaces;
112	Vtbl2.FlipToGDISurface = DrawFlipToGDISurface;
113	Vtbl2.GetCaps = DrawGetCaps;
114	Vtbl2.GetDisplayMode = DrawGetDisplayMode;
115	Vtbl2.GetFourCCCodes = DrawGetFourCCCodes;
116	Vtbl2.GetGDISurface = DrawGetGDISurface;
117	Vtbl2.GetMonitorFrequency = DrawGetMonitorFrequency;
118	Vtbl2.GetScanLine = DrawGetScanLine;
119	Vtbl2.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
120	Vtbl2.Initialize = DrawInitialize;
121	Vtbl2.RestoreDisplayMode = DrawRestoreDisplayMode;
122	Vtbl2.SetCooperativeLevel = DrawSetCooperativeLevel;
123	Vtbl2.SetDisplayMode = DrawSetDisplayMode2;
124	Vtbl2.WaitForVerticalBlank = DrawWaitForVerticalBlank;
125	Vtbl2.GetAvailableVidMem = DrawGetAvailableVidMem;
126
127	// New V4 interface
128	Vtbl4.AddRef = DrawAddRef; // todo change to a DrawAddRef4 as handling this has changed
129	Vtbl4.Release = DrawRelease; // see above
130	Vtbl4.QueryInterface = DrawQueryInterface;
131	Vtbl4.Compact = DrawCompact;
132	Vtbl4.CreateClipper = DrawCreateClipper;
133	Vtbl4.CreatePalette = DrawCreatePalette;
134	Vtbl4.CreateSurface = DrawCreateSurface4;//
135	Vtbl4.DuplicateSurface = DrawDuplicateSurface4;//
136	Vtbl4.EnumDisplayModes = DrawEnumDisplayModes4;//
137	Vtbl4.EnumSurfaces = DrawEnumSurfaces4; //
138	Vtbl4.FlipToGDISurface = DrawFlipToGDISurface;
139	Vtbl4.GetCaps = DrawGetCaps;
140	Vtbl4.GetDisplayMode = DrawGetDisplayMode4;//
141	Vtbl4.GetFourCCCodes = DrawGetFourCCCodes;
142	Vtbl4.GetGDISurface = DrawGetGDISurface4;//
143	Vtbl4.GetMonitorFrequency = DrawGetMonitorFrequency;
144	Vtbl4.GetScanLine = DrawGetScanLine;
145	Vtbl4.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
146	Vtbl4.Initialize = DrawInitialize;
147	Vtbl4.RestoreDisplayMode = DrawRestoreDisplayMode;
148	Vtbl4.SetCooperativeLevel = DrawSetCooperativeLevel;
149	Vtbl4.SetDisplayMode = DrawSetDisplayMode2;
150	Vtbl4.WaitForVerticalBlank = DrawWaitForVerticalBlank;
151	Vtbl4.GetAvailableVidMem = DrawGetAvailableVidMem4;
152	Vtbl4.GetSurfaceFromDC = DrawGetSurfaceFromDC;
153	Vtbl4.RestoreAllSurfaces = DrawRestoreAllSurfaces;
154	Vtbl4.TestCooperativeLevel = DrawTestCooperativeLevel;
155	Vtbl4.GetDeviceIdentifier = DrawGetDeviceIdentifier;
156
157	if(lpGUID && *lpGUID == IID_IDirect3D)
158	{
159	dprintf(("DDRAW: D3D Interface -> using V4 Interface"));
160
161	lpVtbl = &Vtbl4;
162	}
163	else
164	{
165	if(lpGUID && *lpGUID == IID_IDirectDraw4)
166	{
167	dprintf(("DDRAW: V4 Interface\n"));
168	lpVtbl = &Vtbl4;
169	}
170	else
171	{
172	dprintf(("DDRAW: <V4 Interface\n"));
173	lpVtbl = (IDirectDraw4Vtbl *) &Vtbl;
174	}
175	}
176
177	lpVtbl2 = lpVtbl;
178
179	pdwUnknownData = (DWORD) malloc (255sizeof(DWORD));
180	for(int i= 0 ;i<255;i++)
181	pdwUnknownData[i] = 0;
182
183	rc = DiveOpen( &hDive,
184	FALSE,
185	&pFrameBuffer);
186	if(rc)
187	{
188	dprintf(("DDRAW: ERROR: DiveOpen returned %d\n", rc));
189	lastError = DDERR_GENERIC;
190	hDive = NULL;
191	}
192	else
193	{
194	dprintf(("DDRAW: DiveOpen OK Framebuufer at 0x%08X\n",pFrameBuffer));
195	}
196	memset( &dCaps,
197	0,
198	sizeof(DIVE_CAPS) );
199	dCaps.ulStructLen = sizeof(DIVE_CAPS);
200	dCaps.ulFormatLength = 100;
201	dCaps.pFormatData = &fccModes[0];
202
203	rc = DiveQueryCaps( &dCaps,
204	DIVE_BUFFER_SCREEN);
205
206	dprintf(("DDRAW: DiveQueryCaps rc=0x%08X\n",rc));
207
208	pdwUnknownData[235] = dCaps.ulHorizontalResolution;
209	pdwUnknownData[236] = dCaps.ulVerticalResolution;
210	pdwUnknownData[241] = dCaps.ulDepth;
211
212	screenwidth = dCaps.ulHorizontalResolution;
213	screenheight = dCaps.ulVerticalResolution;
214	screenbpp = dCaps.ulDepth;
215
216	// Shall we run in FS mode ?
217	if(ERROR_SUCCESS==RegOpenKeyA(HKEY_LOCAL_MACHINE,KEY_DIRECT2DRAW,&hkDirectDraw2))
218	{
219	dwVSize = 4;
220	dwVType = REG_DWORD;
221	if(ERROR_SUCCESS!=RegQueryValueExA(hkDirectDraw2,"Fullscreen",NULL,&dwVType,(LPBYTE)&bScale,&dwVSize))
222	bScale = FALSE;
223	}
224	else
225	bScale = FALSE;
226
227	// Check to see if FS DDraw is enabled in ODIN.INI
228	if (PROFILE_GetOdinIniBool(ODINDDRAW_SECTION, "Fullscreen", FALSE))
229	{
230	rc = InitIO();
231
232	if(rc) // try to get IOPL for the thread
233	{
234	dprintf(("DDRAW: No IOPL"));
235	}
236	else
237	{
238	dprintf(("DDRAW: IOPL 3!"));
239	}
240
241	rc = LoadPMIService();
242	dprintf(("DDRAW: LoadPMIService() rc=0x%08X",rc));
243
244	if (!rc) {
245	SetUpModeTable();
246
247	bUseFSDD = TRUE;
248	dprintf(("DDRAW: Fullscreen enabled",rc));
249	}
250	}
251	}
252	//******************************************************************************
253	//******************************************************************************
254	OS2IDirectDraw::~OS2IDirectDraw()
255	{
256	dprintf(("DDRAW: OS2IDirectDraw::~OS2IDirectDraw()"));
257
258	if (hDive)
259	DiveClose(hDive);
260
261	// Safety call in case the program did set the pal to all black
262	// so if the destructor gets called we might be able change this back
263	OS2ResetPhysPalette();
264
265	// FSDDRAW additions
266	// we need this in Full Screen, but don't do anything in windowed
267	// session.
268	if (bUseFSDD) {
269	RestorePM();
270	FreeModeTable();
271	}
272	}
273	//******************************************************************************
274	//******************************************************************************
275	FOURCC OS2IDirectDraw::GetScreenFourCC()
276	{
277	return SupportedFourCCs[screenbpp>>3];
278	}
279	//******************************************************************************
280	//******************************************************************************
281	HRESULT WIN32API DrawQueryInterface(THIS This, REFIID riid, LPVOID FAR * ppvObj)
282	{
283	OS2IDirectDraw me = (OS2IDirectDraw )This;
284
285	dprintf(("DDRAW: OS2IDirectDraw::QueryInterface %x %x %x", This, riid, ppvObj));
286
287	*ppvObj = NULL;
288
289	if(!IsEqualGUID(riid, CLSID_DirectDraw) &&
290	!IsEqualGUID(riid, IID_IDirectDraw) &&
291	!IsEqualGUID(riid, IID_IDirectDraw2) &&
292	!IsEqualGUID(riid, IID_IDirectDraw4) &&
293	!IsEqualGUID(riid, IID_IDirect3D))
294	// !IsEqualGUID(riid, IID_IUnknown))
295	return E_NOINTERFACE;
296
297	// ToDo Better way of returning differnent interfaces for same class
298	if(IsEqualGUID(riid, IID_IDirect3D))
299	{
300	me->lpVtbl3D = &me->Vtbl3D;
301	me->lpVtbl3D2 = me->lpVtbl3D;
302	me->pdwUnknownData3D = me->pdwUnknownData;
303	*ppvObj = (LPVOID)&me->lpVtbl3D;
304	DrawAddRef(This);
305	return DD_OK;
306	}
307	else
308	{
309	if(IsEqualGUID(riid, IID_IDirectDraw4))
310	{
311	dprintf(("DDRAW: IID_IDirectDraw4 Interface"));
312	me->lpVtbl = &me->Vtbl4;
313	}
314	else
315	{
316	if(IsEqualGUID(riid, IID_IDirectDraw2))
317	{
318	dprintf(("DDRAW: IID_IDirectDraw2 Interface"));
319	me->lpVtbl = (IDirectDraw4Vtbl *) &me->Vtbl2;
320	}
321	else
322	{
323	dprintf(("DDRAW: IID_IDirectDraw Interface"));
324	me->lpVtbl = (IDirectDraw4Vtbl *) &me->Vtbl;
325	}
326	}
327	}
328	me->lpVtbl2 = me->lpVtbl;
329	*ppvObj = This;
330	DrawAddRef(This);
331
332	return(DD_OK);
333	}
334	//******************************************************************************
335	//******************************************************************************
336	ULONG WIN32API DrawAddRef(THIS This)
337	{
338	OS2IDirectDraw me = (OS2IDirectDraw )This;
339
340	dprintf(("DDRAW: OS2IDirectDraw::AddRef %d", me->Referenced+1));
341
342	return ++me->Referenced;
343	}
344	//******************************************************************************
345	//******************************************************************************
346	ULONG WIN32API DrawRelease(THIS This)
347	{
348	OS2IDirectDraw me = (OS2IDirectDraw )This;
349	ULONG rc;
350
351	dprintf(("DDRAW: OS2IDirectDraw::Release %d", me->Referenced-1));
352	dprintf(("DDRAW: OS2IDirectDraw::%X", me));
353
354	if(me->Referenced)
355	{
356
357	me->Referenced--;
358	if(me->Referenced == 0)
359	{
360	delete(me);
361	rc = 0;
362	}
363	else
364	rc = me->Referenced;
365	}
366	else
367	rc = 0;
368
369	return rc;
370	}
371	//******************************************************************************
372	//******************************************************************************
373	HRESULT WIN32API DrawCompact(THIS)
374	{
375	dprintf(("DDRAW: Compact"));
376
377	return(DD_OK);
378	}
379	//******************************************************************************
380	//******************************************************************************
381	HRESULT WIN32API DrawCreateClipper(THIS This, DWORD, LPDIRECTDRAWCLIPPER FAR lplpDD, IUnknown FAR )
382	{
383	OS2IDirectDraw me = (OS2IDirectDraw )This;
384	OS2IDirectDrawClipper *newclip;
385	HRESULT rc;
386
387	newclip = new OS2IDirectDrawClipper(me);
388
389	dprintf(("DDRAW: CreateClipper"));
390
391	if(newclip == NULL)
392	{
393	rc = DDERR_OUTOFMEMORY;
394	}
395	else
396	{
397	newclip->Vtbl.AddRef((IDirectDrawClipper *)newclip);
398	rc = newclip->GetLastError();
399	if(rc != DD_OK)
400	{
401	*lplpDD = NULL;
402	delete newclip;
403	}
404	else
405	lplpDD = (IDirectDrawClipper )newclip;
406	}
407
408	return(rc);
409	}
410	//******************************************************************************
411	//******************************************************************************
412	HRESULT WIN32API DrawCreatePalette(THIS This, DWORD dwFlags,
413	LPPALETTEENTRY lpColorTable,
414	LPDIRECTDRAWPALETTE FAR *lplpDD,
415	IUnknown FAR *pUnkOuter)
416	{
417	OS2IDirectDraw me = (OS2IDirectDraw )This;
418	OS2IDirectDrawPalette *newpal;
419	HRESULT rc = DD_OK;
420	int palsize = 0;
421
422	if(dwFlags & DDPCAPS_8BITENTRIES)
423	{
424	// We Don't support Indexed palettes...
425
426	rc = DDERR_INVALIDPARAMS;
427	}
428
429	if(dwFlags & DDPCAPS_2BIT)
430	palsize = 4;
431	if(dwFlags & DDPCAPS_4BIT)
432	palsize = 16;
433	if(dwFlags & DDPCAPS_8BIT)
434	palsize = 256;
435	if(dwFlags & DDPCAPS_ALLOW256)
436	palsize = 256;
437
438	if(palsize == 0)
439	rc = DDERR_INVALIDPARAMS;
440
441	if(DD_OK == rc)
442	{
443	dprintf(("DDRAW: CreatePalette with %d colors", palsize));
444
445	newpal = new OS2IDirectDrawPalette((VOID*)me, palsize, lpColorTable, dwFlags);
446
447	if(newpal == NULL)
448	{
449	rc = DDERR_OUTOFMEMORY;
450	}
451	else
452	{
453	newpal->Vtbl.AddRef((IDirectDrawPalette *)newpal);
454	rc = newpal->GetLastError();
455
456	if(DD_OK != rc)
457	{
458	*lplpDD = NULL;
459	delete newpal;
460	}
461	else
462	lplpDD = (IDirectDrawPalette )newpal;
463	}
464	}
465
466	return(rc);
467	}
468	//******************************************************************************
469	//******************************************************************************
470	HRESULT WIN32API DrawCreateSurface(THIS This, LPDDSURFACEDESC lpDDSurfaceDesc,
471	LPDIRECTDRAWSURFACE FAR *lplpDD,
472	IUnknown FAR *pUnkOuter)
473	{
474	OS2IDirectDraw me = (OS2IDirectDraw )This;
475	OS2IDirectDrawSurface *newsurf;
476	HRESULT rc;
477
478	dprintf(("DDRAW: CreateSurface\n"));
479	dprintf(("DDRAW: dwSize %d\n", lpDDSurfaceDesc->dwSize));
480	dprintf(("DDRAW: dwFlags %X\n", lpDDSurfaceDesc->dwFlags));
481	dprintf(("DDRAW: dwHeight %d\n", lpDDSurfaceDesc->dwHeight));
482	dprintf(("DDRAW: dwWidth %d\n", lpDDSurfaceDesc->dwWidth));
483	dprintf(("DDRAW: lPitch %d\n", lpDDSurfaceDesc->lPitch));
484	dprintf(("DDRAW: dwBackBufferCount %d\n", lpDDSurfaceDesc->dwBackBufferCount));
485	dprintf(("DDRAW: dwMipMapCount %d\n", lpDDSurfaceDesc->dwMipMapCount));
486	dprintf(("DDRAW: dwAlphaBitDepth %d\n", lpDDSurfaceDesc->dwAlphaBitDepth));
487	dprintf(("DDRAW: ddsCaps.dwCaps %X\n", lpDDSurfaceDesc->ddsCaps.dwCaps));
488
489	newsurf = new OS2IDirectDrawSurface(me, (LPDDSURFACEDESC2)lpDDSurfaceDesc);
490	if(newsurf == NULL)
491	{
492	rc = DDERR_OUTOFMEMORY;
493	}
494	else
495	{
496	newsurf->Vtbl.AddRef((IDirectDrawSurface *)newsurf);
497	rc = newsurf->GetLastError();
498	if(rc != DD_OK)
499	{
500	dprintf(("DDRAW: Error createing Surface rc = %d\n\n", rc));
501	*lplpDD = NULL;
502	delete newsurf;
503	}
504	else
505	lplpDD = (IDirectDrawSurface )newsurf;
506
507	dprintf(("DDRAW: New Surface created at %08X\n\n", newsurf));
508	}
509
510	return(rc);
511	}
512	//******************************************************************************
513	//******************************************************************************
514	HRESULT WIN32API DrawCreateSurface4(THIS This, LPDDSURFACEDESC2 lpDDSurfaceDesc2,
515	LPDIRECTDRAWSURFACE4 FAR *lplpDD,
516	IUnknown FAR *pUnkOuter)
517	{
518	OS2IDirectDraw me = (OS2IDirectDraw )This;
519	OS2IDirectDrawSurface *newsurf;
520	HRESULT rc;
521
522	dprintf(("DDRAW: CreateSurface4\n"));
523	dprintf(("DDRAW: dwSize %d\n", lpDDSurfaceDesc2->dwSize));
524	dprintf(("DDRAW: dwHeight %d\n", lpDDSurfaceDesc2->dwHeight));
525	dprintf(("DDRAW: dwWidth %d\n", lpDDSurfaceDesc2->dwWidth));
526	dprintf(("DDRAW: lPitch %d\n", lpDDSurfaceDesc2->lPitch));
527	dprintf(("DDRAW: dwBackBufferCount %d\n", lpDDSurfaceDesc2->dwBackBufferCount));
528	dprintf(("DDRAW: dwMipMapCount %d\n", lpDDSurfaceDesc2->dwMipMapCount));
529	dprintf(("DDRAW: dwAlphaBitDepth %d\n", lpDDSurfaceDesc2->dwAlphaBitDepth));
530	dprintf(("DDRAW: ddsCaps.dwCaps %X\n", lpDDSurfaceDesc2->ddsCaps.dwCaps));
531
532	newsurf = new OS2IDirectDrawSurface(me, lpDDSurfaceDesc2);
533
534	if(newsurf == NULL)
535	{
536	rc = DDERR_OUTOFMEMORY;
537	}
538	else
539	{
540	newsurf->Vtbl.AddRef((IDirectDrawSurface *)newsurf);
541	rc = newsurf->GetLastError();
542	if(rc != DD_OK)
543	{
544	dprintf(("DDRAW: Error createing Surface\n\n"));
545	*lplpDD = NULL;
546
547	delete newsurf;
548	}
549	else
550	lplpDD = (IDirectDrawSurface4 )newsurf;
551
552	dprintf(("DDRAW: New Surface created at %08X\n\n", newsurf));
553	}
554
555	return(rc);
556	}
557	//******************************************************************************
558	//******************************************************************************
559	HRESULT WIN32API DrawDuplicateSurface(THIS, LPDIRECTDRAWSURFACE, LPDIRECTDRAWSURFACE FAR * )
560	{
561	dprintf(("DDRAW: DuplicateSurface NIY\n"));
562
563	return(DD_OK);
564	}
565	//******************************************************************************
566	//******************************************************************************
567	HRESULT WIN32API DrawDuplicateSurface4(THIS, LPDIRECTDRAWSURFACE4, LPDIRECTDRAWSURFACE4 FAR * )
568	{
569	dprintf(("DDRAW: DuplicateSurface4 NIY\n"));
570
571	return(DD_OK);
572	}
573	//******************************************************************************
574	//******************************************************************************
575	HRESULT WIN32API DrawEnumDisplayModes( THIS This,
576	DWORD dwFlags,
577	LPDDSURFACEDESC lpDDSurfaceDesc,
578	LPVOID lpContext,
579	LPDDENUMMODESCALLBACK lpDDEnumModesCallback)
580	{
581	int iMode = 0;
582	DDSURFACEDESC DDSurfAct;
583	BOOL fCallAgain;
584	OS2IDirectDraw me = (OS2IDirectDraw )This;
585
586	dprintf(("DDRAW: EnumDisplayModes\n"));
587
588	// Check for Pointer to callback function
589	if (NULL == lpDDEnumModesCallback)
590	{
591	dprintf(("DDRAW: EnumDisplayModes : Error NO EnumFunction passed in\n"));
592
593	return(DDERR_GENERIC);
594	}
595
596
597	// Setting up the surface
598	// During enum we report resolution and bitdepth, maybe we should
599	// also report back : Caps and Pitch
600	memset(&DDSurfAct,0,sizeof(DDSURFACEDESC));
601	DDSurfAct.dwSize = sizeof(DDSURFACEDESC);
602	DDSurfAct.dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT ;
603	// Only report the bitdepth hope this is ok this way, we must set the BitMask fields
604
605	DDSurfAct.ddpfPixelFormat.dwSize = sizeof (DDPIXELFORMAT);
606	DDSurfAct.ddpfPixelFormat.dwFlags = DDPF_RGB;
607	// Check if we use DIVE or Voodoo
608	if(me->lpVtbl != (IDirectDraw4Vtbl *) &(me->Vtbl3D))
609	{
610	// DIVE modes
611
612	dprintf(("DDRAW: EnumDisplayModes : DIVE modes\n"));
613
614	// Enumerate all modes ?
615	if (NULL==lpDDSurfaceDesc)
616	{
617	// Check if we shall report 320x200 mode
618
619	dprintf(("DDRAW: EnumDisplayModes : ALL modes\n"));
620
621	if(dwFlags && DDEDM_STANDARDVGAMODES)
622	{
623	dprintf(("DDRAW: EnumDisplayModes : STANDARDVGAMODES\n"));
624
625	DDSurfAct.dwHeight = ModesDive[0].iYRes;
626	DDSurfAct.dwWidth = ModesDive[0].iXRes;
627	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
628	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8 ;
629	if(!lpDDEnumModesCallback(&DDSurfAct,lpContext))
630	{
631	dprintf(("DDRAW: EnumDisplayModes : Enum done\n"));
632	return (DD_OK);
633	}
634	}
635	// Don't know the flag for Mode X so we skip reporting it
636
637	// Now report all our modes
638	iMode = 2;
639	fCallAgain = TRUE;
640	do
641	{
642	// if the mode fits in the current resolution report it
643	// Change this if we support Fullscreen later !!!
644
645	if(ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)
646	{
647	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
648	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
649	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
650	switch(ModesDive[iMode].iBits)
651	{
652	case 8:
653	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
654	break;
655	case 16:
656	// VESA uses 565 encoding in 16 bit modes
657	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
658	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
659	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
660	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
661	break;
662	case 24:
663	// VESA uses per default RGB4
664	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
665	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
666	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
667	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
668	break;
669	default:
670	break;
671	}
672	dprintf( ("EnumDisplayModes : Enum Mode %dx%d @ %d\n",
673	DDSurfAct.dwHeight,
674	DDSurfAct.dwWidth,
675	DDSurfAct.ddpfPixelFormat.dwRGBBitCount));
676	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
677	dprintf( ("EnumDisplayModes : Callback returned with %d\n",
678	fCallAgain));
679	}
680	iMode++;
681	}
682	while( (iMode < NUM_MODES_DIVE) &&
683	(ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
684	(TRUE==fCallAgain) );
685	}
686	else
687	{
688	// No, so filter modes with lpDDSurfaceDesc
689
690	// Return Error if the program want to use other than the 3 supported values
691	// for filtering
692
693	if (lpDDSurfaceDesc->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
694	return(DDERR_INVALIDPARAMS);
695
696	iMode = 0;
697	if( (dwFlags && DDEDM_STANDARDVGAMODES) &&
698	(
699	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
700	(ModesDive[iMode].iXRes==lpDDSurfaceDesc->dwWidth)
701	)\|\|(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
702	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
703	(ModesDive[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
704	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
705	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
706	(ModesDive[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
707	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
708	)
709	)
710	{
711	DDSurfAct.dwHeight = ModesDive[0].iYRes;
712	DDSurfAct.dwWidth = ModesDive[0].iXRes;
713	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
714	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
715	if(!lpDDEnumModesCallback(&DDSurfAct,lpContext))
716	{
717	return (DD_OK);
718	}
719	}
720	// Don't know the flag for Mode X so we skip reporting it
721
722	// Now report all our modes
723	iMode = 2;
724	fCallAgain = TRUE;
725	do
726	{
727	// if the mode fits in the current resolution and the filter applies report it
728	// Change this if we support Fullscreen later !!!
729	if( (ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)&&
730	(
731	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
732	(ModesDive[iMode].iXRes==lpDDSurfaceDesc->dwWidth))\|\|
733	(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
734	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
735	(ModesDive[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
736	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
737	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
738	(ModesDive[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
739	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
740	)
741	)
742	{
743	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
744	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
745	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
746	switch(ModesDive[iMode].iBits)
747	{
748	case 8:
749	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
750	break;
751	case 16:
752	// VESA uses 565 encoding in 16 bit modes
753	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
754	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
755	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
756	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
757	break;
758	case 24:
759	// VESA uses per default RGB4
760	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
761	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
762	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
763	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
764	break;
765	default:
766	break;
767	}
768
769	dprintf(("Call lpDDEnumModesCallback with mode (%d,%d) bps %d", DDSurfAct.dwWidth, DDSurfAct.dwHeight, ModesDive[iMode].iBits));
770	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
771	}
772	iMode++;
773	}
774	while((ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
775	(iMode < NUM_MODES_DIVE) && (TRUE==fCallAgain));
776
777	}
778	}
779	else
780	{
781
782	// VOODOO modes
783
784	// Enumerate all modes ?
785	if (NULL==lpDDSurfaceDesc)
786	{
787
788	// report all our modes
789	iMode = 0;
790	fCallAgain = TRUE;
791	do
792	{
793	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
794	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
795	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
796
797	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
798	iMode++;
799	}
800	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
801	}
802	else
803	{
804	// No, so filter modes with lpDDSurfaceDesc
805
806	// Return Error if the program want to use other than the 3 supported values
807	// for filtering
808
809	if (lpDDSurfaceDesc->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
810	{
811	return(DDERR_INVALIDPARAMS);
812	}
813
814	iMode = 2;
815	fCallAgain = TRUE;
816	// All reported mode are 16bit
817	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
818	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
819	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
820	do
821	{
822	// if the mode fits the filter applies report it
823	if(
824	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
825	(ModesVoodoo[iMode].iXRes==lpDDSurfaceDesc->dwWidth))\|\|
826	(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
827	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
828	(ModesVoodoo[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
829	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
830	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
831	(ModesVoodoo[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
832	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
833	)
834	{
835	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
836	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
837	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
838
839	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
840	}
841	iMode++;
842	}
843	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
844
845	}
846
847	}
848	return(DD_OK);
849	}
850	//******************************************************************************
851	//******************************************************************************
852	HRESULT WIN32API DrawEnumDisplayModes4(THIS This, DWORD dwFlags, LPDDSURFACEDESC2 lpDDSurfaceDesc2,
853	LPVOID lpContext, LPDDENUMMODESCALLBACK2 lpDDEnumModesCallback2)
854	{
855	int iMode = 0;
856	DDSURFACEDESC2 DDSurfAct;
857	BOOL fCallAgain;
858	OS2IDirectDraw me = (OS2IDirectDraw )This;
859
860	dprintf(("DDRAW: EnumDisplayModes4"));
861
862	// Check for Pointer to callback function
863	if (NULL == lpDDEnumModesCallback2)
864	{
865	dprintf(("DDRAW: EnumDisplayModes4 : Error NO EnumFunction passed in\n"));
866
867	return(DDERR_GENERIC);
868	}
869
870
871	// Setting up the surface
872	// During enum we report resolution and bitdepth, maybe we should
873	// also report back : Caps and Pitch
874	memset(&DDSurfAct,0,sizeof(DDSURFACEDESC2));
875	DDSurfAct.dwSize = sizeof(DDSURFACEDESC2);
876	DDSurfAct.dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT ;
877	// Only report the bitdepth hope this is ok this way, we must set the BitMask fields
878
879	DDSurfAct.ddpfPixelFormat.dwSize = sizeof (DDPIXELFORMAT);
880	DDSurfAct.ddpfPixelFormat.dwFlags = DDPF_RGB;
881
882	// Check if we use DIVE or Voodoo
883	if(me->lpVtbl != (IDirectDraw4Vtbl *) &(me->Vtbl3D))
884	{
885	// DIVE modes
886
887	dprintf(("DDRAW: EnumDisplayModes : DIVE modes\n"));
888
889	// Enumerate all modes ?
890	if (NULL==lpDDSurfaceDesc2)
891	{
892	// Check if we shall report 320x200 mode
893
894	dprintf(("DDRAW: EnumDisplayModes : ALL modes\n"));
895
896	if(dwFlags && DDEDM_STANDARDVGAMODES)
897	{
898	dprintf(("DDRAW: EnumDisplayModes : STANDARDVGAMODES\n"));
899
900	DDSurfAct.dwHeight = ModesDive[0].iYRes;
901	DDSurfAct.dwWidth = ModesDive[0].iXRes;
902	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
903	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8 ;
904	if(!lpDDEnumModesCallback2(&DDSurfAct,lpContext))
905	{
906	dprintf(("DDRAW: EnumDisplayModes : Enum done\n"));
907	return (DD_OK);
908	}
909	}
910	// Don't know the flag for Mode X so we skip reporting it
911
912	// Now report all our modes
913	iMode = 2;
914	fCallAgain = TRUE;
915	do
916	{
917	// if the mode fits in the current resolution report it
918	// Change this if we support Fullscreen later !!!
919
920	if(ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)
921	{
922	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
923	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
924	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
925	switch(ModesDive[iMode].iBits)
926	{
927	case 8:
928	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
929	break;
930	case 16:
931	// VESA uses 565 encoding in 16 bit modes
932	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
933	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
934	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
935	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
936	break;
937	case 24:
938	// VESA uses per default RGB4
939	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
940	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
941	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
942	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
943	break;
944	default:
945	break;
946	}
947	dprintf( ("EnumDisplayModes : Enum Mode %dx%d @ %d\n",
948	DDSurfAct.dwHeight,
949	DDSurfAct.dwWidth,
950	DDSurfAct.ddpfPixelFormat.dwRGBBitCount));
951	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
952	dprintf( ("EnumDisplayModes : Callback returned with %d\n",
953	fCallAgain));
954	}
955	iMode++;
956	}
957	while( (iMode < NUM_MODES_DIVE) &&
958	(ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
959	(TRUE==fCallAgain) );
960	}
961	else
962	{
963	// No, so filter modes with lpDDSurfaceDesc2
964
965	// Return Error if the program want to use other than the 3 supported values
966	// for filtering
967
968	if (lpDDSurfaceDesc2->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
969	return(DDERR_INVALIDPARAMS);
970
971	iMode = 0;
972	if( (dwFlags && DDEDM_STANDARDVGAMODES) &&
973	(
974	(((lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)&&
975	(ModesDive[iMode].iXRes==lpDDSurfaceDesc2->dwWidth)
976	)\|\|(!(lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)))&&
977	(((lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)&&
978	(ModesDive[iMode].iYRes==lpDDSurfaceDesc2->dwHeight))\|\|
979	(!(lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)))&&
980	(((lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT) &&
981	(ModesDive[iMode].iBits==lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount))\|\|
982	(!(lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT)))
983	)
984	)
985	{
986	DDSurfAct.dwHeight = ModesDive[0].iYRes;
987	DDSurfAct.dwWidth = ModesDive[0].iXRes;
988	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
989	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
990	if(!lpDDEnumModesCallback2(&DDSurfAct,lpContext))
991	{
992	return (DD_OK);
993	}
994	}
995	// Don't know the flag for Mode X so we skip reporting it
996
997	// Now report all our modes
998	iMode = 2;
999	fCallAgain = TRUE;
1000	do
1001	{
1002	// if the mode fits in the current resolution and the filter applies report it
1003	// Change this if we support Fullscreen later !!!
1004	if( (ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)&&
1005	(
1006	(((lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)&&
1007	(ModesDive[iMode].iXRes==lpDDSurfaceDesc2->dwWidth))\|\|
1008	(!(lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)))&&
1009	(((lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)&&
1010	(ModesDive[iMode].iYRes==lpDDSurfaceDesc2->dwHeight))\|\|
1011	(!(lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)))&&
1012	(((lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT) &&
1013	(ModesDive[iMode].iBits==lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount))\|\|
1014	(!(lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT)))
1015	)
1016	)
1017	{
1018	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
1019	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
1020	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
1021	switch(ModesDive[iMode].iBits)
1022	{
1023	case 8:
1024	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
1025	break;
1026	case 16:
1027	// VESA uses 565 encoding in 16 bit modes
1028	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
1029	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
1030	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
1031	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
1032	break;
1033	case 24:
1034	// VESA uses per default RGB4
1035	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
1036	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1037	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1038	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
1039	break;
1040	default:
1041	break;
1042	}
1043
1044	dprintf(("Call lpDDEnumModesCallback with mode (%d,%d) bps %d", DDSurfAct.dwWidth, DDSurfAct.dwHeight, ModesDive[iMode].iBits));
1045	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
1046	}
1047	iMode++;
1048	}
1049	while((ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
1050	(iMode < NUM_MODES_DIVE) && (TRUE==fCallAgain));
1051
1052	}
1053	}
1054	else
1055	{
1056
1057	// VOODOO modes
1058
1059	// Enumerate all modes ?
1060	if (NULL==lpDDSurfaceDesc2)
1061	{
1062
1063	// report all our modes
1064	iMode = 0;
1065	fCallAgain = TRUE;
1066	do
1067	{
1068	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
1069	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
1070	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
1071
1072	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
1073	iMode++;
1074	}
1075	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
1076	}
1077	else
1078	{
1079	// No, so filter modes with lpDDSurfaceDesc2
1080
1081	// Return Error if the program want to use other than the 3 supported values
1082	// for filtering
1083
1084	if (lpDDSurfaceDesc2->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
1085	{
1086	return(DDERR_INVALIDPARAMS);
1087	}
1088
1089	iMode = 2;
1090	fCallAgain = TRUE;
1091	// All reported mode are 16bit
1092	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
1093	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
1094	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
1095	do
1096	{
1097	// if the mode fits the filter applies report it
1098	if(
1099	(((lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)&&
1100	(ModesVoodoo[iMode].iXRes==lpDDSurfaceDesc2->dwWidth))\|\|
1101	(!(lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)))&&
1102	(((lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)&&
1103	(ModesVoodoo[iMode].iYRes==lpDDSurfaceDesc2->dwHeight))\|\|
1104	(!(lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)))&&
1105	(((lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT) &&
1106	(ModesVoodoo[iMode].iBits==lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount))\|\|
1107	(!(lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT)))
1108	)
1109	{
1110	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
1111	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
1112	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
1113
1114	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
1115	}
1116	iMode++;
1117	}
1118	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
1119
1120	}
1121
1122	}
1123	return(DD_OK);
1124	}
1125
1126	//******************************************************************************
1127	//******************************************************************************
1128	HRESULT WIN32API DrawEnumSurfaces(THIS, DWORD, LPDDSURFACEDESC, LPVOID,LPDDENUMSURFACESCALLBACK )
1129	{
1130	dprintf(("DDRAW: EnumSurfaces NIY\n"));
1131
1132	return(DD_OK);
1133	}
1134
1135	//******************************************************************************
1136	//******************************************************************************
1137	HRESULT WIN32API DrawEnumSurfaces4(THIS, DWORD, LPDDSURFACEDESC2, LPVOID,LPDDENUMSURFACESCALLBACK2 )
1138	{
1139	dprintf(("DDRAW: EnumSurfaces4 NIY\n"));
1140
1141	return(DD_OK);
1142	}
1143
1144	//******************************************************************************
1145	//******************************************************************************
1146	HRESULT WIN32API DrawFlipToGDISurface(THIS)
1147	{
1148	dprintf(("DDRAW: FlipToGDISurface NIY\n"));
1149
1150	return(DD_OK);
1151	}
1152
1153	//******************************************************************************
1154	//******************************************************************************
1155	HRESULT WIN32API DrawGetCaps(THIS This, LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDHELCaps)
1156	{
1157	DWORD dwSize;
1158	OS2IDirectDraw me = (OS2IDirectDraw )This;
1159
1160	dprintf(("DDRAW: DDGetCaps %x %x %x", This, lpDDDriverCaps, lpDDHELCaps));
1161
1162	if( (NULL==lpDDDriverCaps) && (NULL==lpDDHELCaps) )
1163	return(DDERR_INVALIDPARAMS);
1164
1165	if(NULL!=lpDDDriverCaps)
1166	{
1167	// Caller want Driver Caps
1168
1169	dprintf(("DDRAW: Driver\n"));
1170
1171	if( (sizeof(DDCAPS)!=lpDDDriverCaps->dwSize) &&
1172	(sizeof(DDCAPS_DX5)!=lpDDDriverCaps->dwSize) &&
1173	(sizeof(DDCAPS_DX3)!=lpDDDriverCaps->dwSize) )
1174	{
1175	dprintf( ("Size %d Not supported ",
1176	lpDDDriverCaps->dwSize));
1177	return(DDERR_INVALIDPARAMS);
1178	}
1179	// Clear structure so we only have to set the supported flags
1180
1181	dwSize = lpDDDriverCaps->dwSize;
1182	memset( lpDDDriverCaps,
1183	0,
1184	lpDDDriverCaps->dwSize);
1185
1186
1187	// Reset the size
1188	lpDDDriverCaps->dwSize = dwSize;
1189
1190	// Now report the CAPs back which we support
1191	lpDDDriverCaps->dwCaps = DDCAPS_BLT \| // We do blitting
1192	DDCAPS_BLTSTRETCH \|
1193	DDCAPS_BLTCOLORFILL \| // We do colorfills
1194	DDCAPS_BLTDEPTHFILL \|
1195	DDCAPS_COLORKEY \| // We support Colorkeying
1196	DDCAPS_COLORKEYHWASSIST \| // But we (may) use the CPU
1197	DDCAPS_GDI \| // Maybe check if we are on Voodoo ?
1198	DDCAPS_PALETTEVSYNC \| // Got VSync
1199	// DDCAPS_READSCANLINE \|
1200	DDCAPS_BLTFOURCC;
1201
1202	lpDDDriverCaps->dwCaps2 = DDCAPS2_CERTIFIED \| // Who cares so say yes
1203	DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1204	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1205	DDCAPS2_NONLOCALVIDMEM \| // All surfaces are in memory
1206	DDCAPS2_WIDESURFACES; // Any size you want!
1207
1208	lpDDDriverCaps->dwCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1209
1210	lpDDDriverCaps->dwFXCaps = DDFXCAPS_BLTMIRRORUPDOWN \|
1211	DDFXCAPS_BLTMIRRORLEFTRIGHT; // DIVE supports this, do we also ?
1212	// Maybe later add stretching support?
1213
1214	lpDDDriverCaps->dwPalCaps = DDPCAPS_8BIT \| // Only 8 Bits pals
1215	DDPCAPS_ALLOW256 \| // But all 256 colors
1216	DDPCAPS_VSYNC \| // Vsync yet
1217	DDPCAPS_PRIMARYSURFACE; //
1218	lpDDDriverCaps->dwVidMemTotal = me->dCaps.ulApertureSize; // total video memory
1219	lpDDDriverCaps->dwVidMemFree = me->dCaps.ulApertureSize; // total free video memory
1220	lpDDDriverCaps->dwNumFourCCCodes = MAX_FOURCC_CODES; // number of supported FOURCC codes
1221	/*
1222	ToDo: must finde out ow the array is used for this
1223	lpDDDriverCaps->dwRops[DD_ROP_SPACE] = SRCCOPY \|
1224	BLACKNESS \|
1225	WHITENESS; // Raster OPs implemented
1226	*/
1227	lpDDDriverCaps->dwSVBCaps = DDCAPS_BLT \| // We do blitting
1228	DDCAPS_BLTCOLORFILL \| // We do colorfills
1229	DDCAPS_COLORKEY \| // We support Colorkeying
1230	DDCAPS_COLORKEYHWASSIST;
1231	lpDDDriverCaps->dwSVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1232	lpDDDriverCaps->dwSVBFXCaps = DDCAPS_BLT \| // We do blitting
1233	DDCAPS_BLTCOLORFILL \| // We do colorfills
1234	DDCAPS_COLORKEY \| // We support Colorkeying
1235	DDCAPS_COLORKEYHWASSIST;
1236	/*
1237	ToDo: must finde out ow the array is used for this
1238	lpDDDriverCaps->dwSVBRops[DD_ROP_SPACE] = SRCCOPY \|
1239	BLACKNESS \|
1240	WHITENESS; // Raster OPs implemented
1241	*/
1242	lpDDDriverCaps->dwVSBCaps = DDCAPS_BLT \| // We do blitting
1243	DDCAPS_BLTCOLORFILL \| // We do colorfills
1244	DDCAPS_COLORKEY \| // We support Colorkeying
1245	DDCAPS_COLORKEYHWASSIST;
1246	lpDDDriverCaps->dwVSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1247	lpDDDriverCaps->dwVSBFXCaps = DDCAPS_BLT \| // We do blitting
1248	DDCAPS_BLTCOLORFILL \| // We do colorfills
1249	DDCAPS_COLORKEY \| // We support Colorkeying
1250	DDCAPS_COLORKEYHWASSIST;
1251	/*
1252	ToDo: must finde out ow the array is used for this
1253	lpDDDriverCaps->dwVSBRops[DD_ROP_SPACE] = SRCCOPY \|
1254	BLACKNESS \|
1255	WHITENESS; // Raster OPs implemented
1256	*/
1257	lpDDDriverCaps->dwSSBCaps = DDCAPS_BLT \| // We do blitting
1258	DDCAPS_BLTCOLORFILL \| // We do colorfills
1259	DDCAPS_COLORKEY \| // We support Colorkeying
1260	DDCAPS_COLORKEYHWASSIST;
1261	lpDDDriverCaps->dwSSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1262	lpDDDriverCaps->dwSSBFXCaps = DDCAPS_BLT \| // We do blitting
1263	DDCAPS_BLTCOLORFILL \| // We do colorfills
1264	DDCAPS_COLORKEY \| // We support Colorkeying
1265	DDCAPS_COLORKEYHWASSIST;
1266	/*
1267	ToDo: must finde out ow the array is used for this
1268	lpDDDriverCaps->dwSSBRops[SRCCOPY] = 1;
1269	lpDDDriverCaps->dwSSBRops[BLACKNESS] = 1;
1270	lpDDDriverCaps->dwSSBRops[WHITENESS] = 1; // Raster OPs implemented
1271	*/
1272	// These are ony in >DX5
1273	if(dwSize>sizeof(DDCAPS_DX3))
1274	{
1275	lpDDDriverCaps->dwSVBCaps2 = //DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1276	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1277	DDCAPS2_WIDESURFACES; // Any size you want!
1278	lpDDDriverCaps->dwNLVBCaps = DDCAPS_BLT \| // We do blitting
1279	DDCAPS_BLTCOLORFILL \| // We do colorfills
1280	DDCAPS_COLORKEY \| // We support Colorkeying
1281	DDCAPS_COLORKEYHWASSIST;
1282	lpDDDriverCaps->dwNLVBCaps2 = //DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1283	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1284	DDCAPS2_WIDESURFACES; // Any size you want!
1285	lpDDDriverCaps->dwNLVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1286	lpDDDriverCaps->dwNLVBFXCaps = DDCAPS_BLT \| // We do blitting
1287	DDCAPS_BLTCOLORFILL \| // We do colorfills
1288	DDCAPS_COLORKEY \| // We support Colorkeying
1289	DDCAPS_COLORKEYHWASSIST;
1290	lpDDDriverCaps->dwNLVBRops[DD_ROP_SPACE];// ToDo: Again the array ...
1291
1292	// General Surface caps only in DX6
1293	if(dwSize>sizeof(DDCAPS_DX5))
1294	{
1295	lpDDDriverCaps->ddsCaps.dwCaps = DDSCAPS_ALPHA \| DDSCAPS_BACKBUFFER \|
1296	DDSCAPS_COMPLEX \| DDSCAPS_FLIP \|
1297	DDSCAPS_FRONTBUFFER \| DDSCAPS_LOCALVIDMEM \|
1298	DDSCAPS_NONLOCALVIDMEM \| DDSCAPS_OFFSCREENPLAIN \|
1299	// DDSCAPS_OVERLAY \|
1300	DDSCAPS_PALETTE \| DDSCAPS_PRIMARYSURFACE \|
1301	DDSCAPS_SYSTEMMEMORY \|DDSCAPS_VIDEOMEMORY \|
1302	DDSCAPS_VISIBLE;
1303
1304	#ifdef USE_OPENGL
1305	lpDDDriverCaps->dwCaps \|= DDCAPS_3D \| DDCAPS_ZBLTS;
1306	// ToDO find and put the value for DDCAPS2_NO2DDURING3DSCENE in ddraw.h
1307	// lpDDDriverCaps->dwCaps2 \|= DDCAPS2_NO2DDURING3DSCENE;
1308	lpDDDriverCaps->ddsCaps.dwCaps \|= DDSCAPS_3DDEVICE \| DDSCAPS_MIPMAP \|
1309	DDSCAPS_TEXTURE \| DDSCAPS_ZBUFFER;
1310	#endif
1311	}
1312	}
1313
1314
1315	}
1316
1317	if(NULL!=lpDDHELCaps)
1318	{
1319	// Caller wants HEL Caps
1320	dprintf(("DDRAW: CHEL\n"));
1321
1322	//SvL: PowerDVD uses size 316
1323	if( (sizeof(DDCAPS) != lpDDHELCaps->dwSize) &&
1324	(sizeof(DDCAPS_DX5) != lpDDHELCaps->dwSize) &&
1325	(sizeof(DDCAPS_DX3) != lpDDHELCaps->dwSize) )
1326	{
1327	dprintf( ("Size %d Not supported ",
1328	lpDDHELCaps->dwSize));
1329	return(DDERR_INVALIDPARAMS);
1330	}
1331	// Clear structure so we only have to set the supported flags
1332
1333	dwSize = lpDDHELCaps->dwSize;
1334	memset( lpDDHELCaps,
1335	0,
1336	lpDDHELCaps->dwSize);
1337
1338	// Reset the size
1339	lpDDHELCaps->dwSize = dwSize;
1340
1341	// Now report the CAPs back which we support
1342	lpDDHELCaps->dwCaps = DDCAPS_BLT \| // We do blitting
1343	DDCAPS_BLTCOLORFILL \| // We do colorfills
1344	DDCAPS_COLORKEY \| // We support Colorkeying
1345	//SvL: This is the emulation layer; no hw support here
1346	// DDCAPS_COLORKEYHWASSIST \| // But we (may) use the CPU
1347	DDCAPS_GDI \| // Maybe check if we are on Voodoo ?
1348	DDCAPS_PALETTEVSYNC \| // Got VSync
1349	DDCAPS_BLTFOURCC;
1350
1351	lpDDHELCaps->dwCaps2 = DDCAPS2_CERTIFIED \| // Who cares so say yes
1352	DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1353	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1354	DDCAPS2_NONLOCALVIDMEM \| // All surfaces are in memory
1355	DDCAPS2_WIDESURFACES; // Any size you want!
1356
1357	lpDDHELCaps->dwCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1358
1359	lpDDHELCaps->dwFXCaps = DDFXCAPS_BLTMIRRORUPDOWN \|
1360	DDFXCAPS_BLTMIRRORLEFTRIGHT; // DIVE supports this, do we also ?
1361	// Maybe later add stretching support?
1362
1363	lpDDHELCaps->dwPalCaps = DDPCAPS_8BIT \| // Only 8 Bits pals
1364	DDPCAPS_ALLOW256 \| // But all 256 colors
1365	DDPCAPS_VSYNC \| // Vsync yet
1366	DDPCAPS_PRIMARYSURFACE;
1367
1368	//Video memory for emulation layer must be 0 (verified in NT)
1369	lpDDHELCaps->dwVidMemTotal = 0; // total video memory
1370	lpDDHELCaps->dwVidMemFree = 0; // total free video memory
1371
1372	lpDDHELCaps->dwNumFourCCCodes = MAX_FOURCC_CODES; // number of supported FOURCC codes
1373	lpDDHELCaps->dwRops[DD_ROP_SPACE]; // supported raster ops
1374	lpDDHELCaps->dwSVBCaps = DDCAPS_BLT \| // We do blitting
1375	DDCAPS_BLTCOLORFILL \| // We do colorfills
1376	DDCAPS_COLORKEY \| // We support Colorkeying
1377	DDCAPS_COLORKEYHWASSIST;
1378	lpDDHELCaps->dwSVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1379	lpDDHELCaps->dwSVBFXCaps; // .
1380	lpDDHELCaps->dwSVBRops[DD_ROP_SPACE]; // .
1381	lpDDHELCaps->dwVSBCaps = DDCAPS_BLT \| // We do blitting
1382	DDCAPS_BLTCOLORFILL \| // We do colorfills
1383	DDCAPS_COLORKEY \| // We support Colorkeying
1384	DDCAPS_COLORKEYHWASSIST;
1385	lpDDHELCaps->dwVSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1386	lpDDHELCaps->dwVSBFXCaps; // .
1387	lpDDHELCaps->dwVSBRops[DD_ROP_SPACE]; // .
1388	lpDDHELCaps->dwSSBCaps = DDCAPS_BLT \| // We do blitting
1389	DDCAPS_BLTCOLORFILL \| // We do colorfills
1390	DDCAPS_COLORKEY \| // We support Colorkeying
1391	DDCAPS_COLORKEYHWASSIST;
1392	lpDDHELCaps->dwSSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1393	lpDDHELCaps->dwSSBFXCaps; // .
1394	lpDDHELCaps->dwSSBRops[DD_ROP_SPACE]; // .
1395	// These are ony in >DX5
1396	if(dwSize>sizeof(DDCAPS_DX3))
1397	{
1398	lpDDHELCaps->dwSVBCaps2 = DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1399	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1400	DDCAPS2_WIDESURFACES; // Any size you want!
1401	lpDDHELCaps->dwNLVBCaps = DDCAPS_BLT \| // We do blitting
1402	DDCAPS_BLTCOLORFILL \| // We do colorfills
1403	DDCAPS_COLORKEY \| // We support Colorkeying
1404	DDCAPS_COLORKEYHWASSIST;
1405	lpDDHELCaps->dwNLVBCaps2 = DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1406	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1407	DDCAPS2_WIDESURFACES; // Any size you want!
1408	lpDDHELCaps->dwNLVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1409	lpDDHELCaps->dwNLVBFXCaps; // .
1410	lpDDHELCaps->dwNLVBRops[DD_ROP_SPACE];// .
1411	}
1412
1413	}
1414
1415	return(DD_OK);
1416	}
1417	//******************************************************************************
1418	//******************************************************************************
1419	HRESULT WIN32API DrawGetDisplayMode(THIS This, LPDDSURFACEDESC lpDDSurfaceDesc)
1420	{
1421	OS2IDirectDraw me = (OS2IDirectDraw )This;
1422
1423	dprintf(("DDRAW: GetDisplayMode %x %x", This, lpDDSurfaceDesc));
1424
1425	// Check Parameter
1426	if(NULL==lpDDSurfaceDesc)
1427	return(DDERR_INVALIDPARAMS);
1428
1429	if(sizeof(DDSURFACEDESC)!=lpDDSurfaceDesc->dwSize)
1430	return(DDERR_INVALIDPARAMS);
1431
1432	// We report back the DIVE caps. maybe we should set up a local DDSURFACEDESC
1433	// for the object so we can change the values when we switch modes (or say so)
1434	// as a program may use this function to check the values after a mode change
1435	// An other reason to to so is Voodoo supports maybe more functions
1436
1437	// Tell what we report
1438	lpDDSurfaceDesc->dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT;
1439	lpDDSurfaceDesc->dwHeight = me->dCaps.ulHorizontalResolution;
1440	lpDDSurfaceDesc->dwWidth = me->dCaps.ulVerticalResolution;
1441	// Set the PixelFormat
1442	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
1443
1444	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = me->dCaps.fccColorEncoding;
1445	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = me->dCaps.ulDepth;
1446	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBAlphaBitMask = 0; // No Alpha support
1447	switch(me->dCaps.ulDepth)
1448	{
1449	case 4:
1450	// Assume that no one will run OS/2 PM with less then 16 colors and try
1451	// to start a DirectX program ;)
1452	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED4;
1453	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0;
1454	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0;
1455	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0;
1456	break;
1457	case 8:
1458	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED8 \|
1459	DDPF_FOURCC;
1460	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0;
1461	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0;
1462	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0;
1463	break;
1464	case 15:
1465	case 16:
1466	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = 16; // No sure about 15Bit modes
1467	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1468	if (FOURCC_R555 == me->dCaps.fccColorEncoding)
1469	{
1470	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00007C00;
1471	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000003E0;
1472	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1473	}
1474	else
1475	{
1476	if(FOURCC_R565 == me->dCaps.fccColorEncoding)
1477	{
1478	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1479	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
1480	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1481	}
1482	else
1483	{
1484	// R664
1485	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1486	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000003F0;
1487	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000000F;
1488	}
1489	}
1490	break;
1491	case 24:
1492	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1493	if(FOURCC_RGB3 == me->dCaps.fccColorEncoding)
1494	{
1495	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1496	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1497	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1498	}
1499	else
1500	{
1501	// BGR3
1502	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1503	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1504	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1505	}
1506	break;
1507	case 32:
1508	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1509	if(FOURCC_RGB4 == me->dCaps.fccColorEncoding)
1510	{
1511	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1512	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1513	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1514	}
1515	else
1516	{
1517	// BGR4
1518	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1519	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1520	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1521	}
1522	break;
1523	default:
1524	dprintf(("DDRAW: Unsupported mode\n"));
1525	return(DDERR_UNSUPPORTEDMODE);
1526	}
1527
1528	return(DD_OK);
1529	}
1530	//******************************************************************************
1531	//******************************************************************************
1532	HRESULT WIN32API DrawGetDisplayMode4(THIS This, LPDDSURFACEDESC2 lpDDSurfaceDesc2)
1533	{
1534	OS2IDirectDraw me = (OS2IDirectDraw )This;
1535
1536	dprintf(("DDRAW: GetDisplayMode4 %x %x", This, lpDDSurfaceDesc2));
1537
1538	// Check Parameter
1539	if(NULL==lpDDSurfaceDesc2)
1540	return(DDERR_INVALIDPARAMS);
1541
1542	if(sizeof(DDSURFACEDESC)!=lpDDSurfaceDesc2->dwSize)
1543	return(DDERR_INVALIDPARAMS);
1544
1545	// We report back the DIVE caps. maybe we should set up a local DDSURFACEDESC
1546	// for the object so we can change the values when we switch modes (or say so)
1547	// as a program may use this function to check the values after a mode change
1548	// An other reason to to so is Voodoo supports maybe more functions
1549
1550	// Tell what we report
1551	lpDDSurfaceDesc2->dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT;
1552	lpDDSurfaceDesc2->dwHeight = me->dCaps.ulHorizontalResolution;
1553	lpDDSurfaceDesc2->dwWidth = me->dCaps.ulVerticalResolution;
1554	// Set the PixelFormat
1555	lpDDSurfaceDesc2->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
1556
1557	lpDDSurfaceDesc2->ddpfPixelFormat.dwFourCC = me->dCaps.fccColorEncoding;
1558	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount = me->dCaps.ulDepth;
1559	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBAlphaBitMask = 0; // No Alpha support
1560	switch(me->dCaps.ulDepth)
1561	{
1562	case 4:
1563	// Assume that no one will run OS/2 PM with less then 16 colors and try
1564	// to start a DirectX program ;)
1565	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED4;
1566	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0;
1567	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0;
1568	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0;
1569	break;
1570	case 8:
1571	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED8 \|
1572	DDPF_FOURCC;
1573	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0;
1574	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0;
1575	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0;
1576	break;
1577	case 15:
1578	case 16:
1579	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount = 16; // No sure about 15Bit modes
1580	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1581	if (FOURCC_R555 == me->dCaps.ulDepth)
1582	{
1583	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00007C00;
1584	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000003E0;
1585	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1586	}
1587	else
1588	{
1589	if(FOURCC_R565 == me->dCaps.fccColorEncoding)
1590	{
1591	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1592	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000007E0;
1593	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1594	}
1595	else
1596	{
1597	// R664
1598	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1599	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000003F0;
1600	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000000F;
1601	}
1602	}
1603	break;
1604	case 24:
1605	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1606	if(FOURCC_RGB3 == me->dCaps.fccColorEncoding)
1607	{
1608	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1609	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1610	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1611	}
1612	else
1613	{
1614	// BGR3
1615	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1616	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1617	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1618	}
1619	break;
1620	case 32:
1621	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1622	if(FOURCC_RGB4 == me->dCaps.fccColorEncoding)
1623	{
1624	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1625	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1626	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1627	}
1628	else
1629	{
1630	// BGR4
1631	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1632	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1633	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1634	}
1635	break;
1636	default:
1637	dprintf(("DDRAW: Unsupported mode\n"));
1638	return(DDERR_UNSUPPORTEDMODE);
1639	}
1640
1641	return(DD_OK);
1642	}
1643	//******************************************************************************
1644	//******************************************************************************
1645	HRESULT WIN32API DrawGetFourCCCodes(THIS This, LPDWORD lpNumCodes, LPDWORD lpCodes)
1646	{
1647	// DWORD dwFCC[MAX_FOURCC_CODES] = {FOURCC_LUT8,FOURCC_R565,FOURCC_RGB3,FOURCC_YUY2};
1648	DWORD dwFCC[MAX_FOURCC_CODES] = {FOURCC_LUT8,FOURCC_R565,FOURCC_R555,FOURCC_RGB3};
1649
1650	dprintf(("DDRAW: GetFourCCCodes %x %x %x", This, lpNumCodes, lpCodes));
1651
1652	if(NULL==lpNumCodes)
1653	return(DDERR_INVALIDPARAMS);
1654
1655	if(NULL==lpCodes)
1656	{
1657	*lpNumCodes = MAX_FOURCC_CODES; // LUT8, R565, RGB3 are the FourCC we support for now
1658	}
1659	else
1660	{
1661	for(int i=0;(i<MAX_FOURCC_CODES)&&(i<*lpNumCodes);i++)
1662	{
1663	*lpCodes = dwFCC[i];
1664	lpCodes++;
1665	}
1666	*lpNumCodes = MAX_FOURCC_CODES;
1667	}
1668	return(DD_OK);
1669	}
1670	//******************************************************************************
1671	//******************************************************************************
1672	HRESULT WIN32API DrawGetGDISurface(THIS, LPDIRECTDRAWSURFACE FAR *)
1673	{
1674	dprintf(("DDRAW: GetGDISurface NYI\n"));
1675
1676	return(DD_OK);
1677	}
1678	//******************************************************************************
1679	//******************************************************************************
1680	HRESULT WIN32API DrawGetGDISurface4(THIS, LPDIRECTDRAWSURFACE4 FAR *)
1681	{
1682	dprintf(("DDRAW: GetGDISurface NYI\n"));
1683
1684	return(DD_OK);
1685	}
1686	//******************************************************************************
1687	//******************************************************************************
1688	HRESULT WIN32API DrawGetMonitorFrequency(THIS This, LPDWORD lpdwFreq)
1689	{
1690	ULONG ulTime1, ulTime2;
1691	DWORD dwFlags = DDWAITVB_BLOCKBEGIN;
1692	dprintf(("DDRAW: GetMonitorFrequency\n"));
1693	if(NULL==lpdwFreq)
1694	return(DDERR_INVALIDPARAMS);
1695
1696
1697
1698	if(DD_OK==DrawWaitForVerticalBlank(This, dwFlags, 0))
1699	{
1700	ulTime1 = GetTickCount();
1701	// Timer has an accuracy of 4 ms so call it al least 4 times
1702	DrawWaitForVerticalBlank(This, dwFlags, 0);
1703	DrawWaitForVerticalBlank(This, dwFlags, 0);
1704	DrawWaitForVerticalBlank(This, dwFlags, 0);
1705	DrawWaitForVerticalBlank(This, dwFlags, 0);
1706	ulTime2 = GetTickCount();
1707	ulTime2 -= ulTime1;
1708	if(ulTime2) // paranoid check to avoid DIV0
1709	*lpdwFreq = 4000 / ulTime2;
1710	else
1711	*lpdwFreq = 70;
1712	}
1713	else
1714	{
1715	// Assume 70 Hz maybe better return DDERR_UNSUPPORTED if this function isn't mandatory
1716	*lpdwFreq = 70;
1717	}
1718
1719
1720
1721	return(DD_OK);
1722	}
1723	//******************************************************************************
1724	//******************************************************************************
1725	HRESULT WIN32API DrawGetScanLine(THIS, LPDWORD lpdwLine)
1726	{
1727	// BOOL bVertBlank;
1728	dprintf(("DDRAW: GetScanLine\n"));
1729	// ToDO find a way to get this position, so for now simply return DDERR_UNSUPPORTED
1730	// as we indicated in DDCAPS we don't support this.
1731
1732	return(DDERR_UNSUPPORTED);
1733
1734	//the following code could be used if we implement this
1735	/*
1736	if(NULL==lpdwLine)
1737	return(DDERR_INVALIDPARAMS);
1738	DrawGetVertcalBlackStatus(This,&bVertBlank);
1739	if(bVertBlank)
1740	return (DDERR_VERTICALBLANKINPROGRESS);
1741	*lpdwLine = GetLine(); // GetLine would be the function which gets us the line
1742	return(DD_OK);
1743	*/
1744	}
1745	//******************************************************************************
1746	//******************************************************************************
1747	HRESULT WIN32API DrawGetVerticalBlankStatus(THIS , LPBOOL lpbIsInVB)
1748	{
1749	// int rc;
1750	dprintf(("DDRAW: GetVerticalBlankStatus\n"));
1751	if(NULL==lpbIsInVB)
1752	return(DDERR_INVALIDPARAMS);
1753
1754	#if 0
1755	rc = io_init1();
1756
1757
1758	if(0==rc) // try to get IOPL for the thread
1759	{
1760	*lpbIsInVB = (c_inb1(0x3da)&0x08)!=0;
1761
1762	io_exit1(); // reset IOPL
1763
1764	return(DD_OK);
1765	}
1766	#else
1767	lpbIsInVB = ! (lpbIsInVB);
1768	#endif
1769	return(DDERR_UNSUPPORTED);
1770	}
1771	//******************************************************************************
1772	//******************************************************************************
1773	HRESULT WIN32API DrawInitialize(THIS, GUID FAR *)
1774	{
1775	dprintf(("DDRAW: Initialize\n"));
1776
1777	return(DD_OK);
1778	}
1779	//******************************************************************************
1780	//******************************************************************************
1781	HRESULT WIN32API DrawRestoreDisplayMode(THIS This)
1782	{
1783	OS2IDirectDraw me = (OS2IDirectDraw )This;
1784
1785	dprintf(("DDRAW: RestoreDisplayMode"));
1786
1787	// FSDDRAW additions
1788	ULONG ulModeInd;
1789	/* restore previous screen mode */
1790	if ((bUseFSDD) && (me->bInFullScreen))
1791	{
1792	SetSVGAMode(me->oldwidth, me->oldheight, me->oldbpp, 0xFF, &ulModeInd, NULL);
1793	RestorePM();
1794	/* restore DIVE caps entries */
1795	me->dCaps.ulScanLineBytes = me->oldscanlines;
1796	me->dCaps.ulHorizontalResolution = me->oldwidth;
1797	me->dCaps.ulVerticalResolution = me->oldheight;
1798	me->dCaps.ulDepth = me->oldbpp;
1799	}
1800
1801	return(DD_OK);
1802	}
1803	//******************************************************************************
1804	//******************************************************************************
1805	HRESULT WIN32API DrawSetCooperativeLevel(THIS This, HWND hwndClient, DWORD dwFlags)
1806	{
1807	OS2IDirectDraw me = (OS2IDirectDraw )This;
1808
1809	dprintf(("DDRAW: SetCooperativeLevel: hwnd %X, Flags %X\n", hwndClient, dwFlags));
1810	me->dwCoopMode = dwFlags;
1811	if(!(DDSCL_NORMAL & dwFlags))
1812	{
1813	// client window req. for all none DDSCL_NORMAL modes
1814	if(NULL==hwndClient)
1815	return(DDERR_INVALIDPARAMS);
1816	}
1817	me->hwndClient = hwndClient;
1818	#if 0
1819	OS2DDSubclassWindow(hwndClient);
1820	#endif
1821	return(DD_OK);
1822	}
1823	//******************************************************************************
1824	//Backwards compatibility, what's that??
1825	//******************************************************************************
1826	HRESULT WIN32API DrawSetDisplayMode2(THIS This, DWORD dwWidth, DWORD dwHeight,
1827	DWORD dwBPP, DWORD dwRefreshRate,
1828	DWORD dwFlags)
1829	{
1830	ULONG rc;
1831	OS2IDirectDraw me = (OS2IDirectDraw )This;
1832	SETUP_BLITTER sBlt;
1833
1834	dprintf(("DDRAW: SetDisplayMode2 to %dx%d with %d bits colors\n", dwWidth, dwHeight, dwBPP));
1835
1836	me->screenwidth = dwWidth;
1837	me->screenheight = dwHeight;
1838	me->screenbpp = dwBPP;
1839
1840	if(me->dwCoopMode & DDSCL_FULLSCREEN)
1841	{
1842	// FSDDRAW additions
1843	ULONG ulModeInd;
1844
1845	SetWindowPos(me->hwndClient, HWND_TOP,0,0,dwWidth,dwHeight,0);
1846	SetCursorPos(dwWidth / 2, dwHeight / 2);
1847
1848	if ((bUseFSDD) && (ModeInSVGAModeTable(dwWidth,dwHeight,dwBPP)))
1849	{
1850	KillPM();
1851
1852	rc = SetSVGAMode(dwWidth, dwHeight, dwBPP, 0xFF, &ulModeInd, NULL);
1853
1854	if (!rc) // When mode switched successfully
1855	{
1856	/* save old screen values */
1857	me->bInFullScreen=TRUE;
1858	me->oldwidth = me->dCaps.ulHorizontalResolution;
1859	me->oldheight = me->dCaps.ulVerticalResolution;
1860	me->oldscanlines = me->dCaps.ulScanLineBytes;
1861	me->oldbpp = me->dCaps.ulDepth;
1862
1863	/* now 'fix' some DIVE caps entries */
1864	me->dCaps.ulScanLineBytes = dwWidth * (dwBPP >> 3); /* FIX: use real value */
1865	me->dCaps.ulHorizontalResolution = dwWidth;
1866	me->dCaps.ulVerticalResolution = dwHeight;
1867	me->dCaps.ulDepth = dwBPP;
1868	}
1869	else
1870	// Display must be return to PM Session
1871	RestorePM();
1872	}
1873	}
1874
1875	memset(&sBlt,0,sizeof(sBlt));
1876	sBlt.ulStructLen = sizeof(sBlt);
1877	sBlt.fccSrcColorFormat = FOURCC_SCRN;
1878	sBlt.ulSrcWidth = dwWidth;
1879	sBlt.ulSrcHeight = dwHeight;
1880	sBlt.ulSrcPosX = 0;
1881	sBlt.ulSrcPosY = 0;
1882	sBlt.fccDstColorFormat = FOURCC_SCRN;
1883	sBlt.ulDstWidth = dwWidth;
1884	sBlt.ulDstHeight = dwHeight;
1885	sBlt.lDstPosX = 0;
1886	sBlt.lDstPosY = 0;
1887	sBlt.lScreenPosX = 0;
1888	sBlt.lScreenPosY = me->dCaps.ulVerticalResolution-dwHeight;
1889	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1890
1891	rc = DiveSetupBlitter( me->hDive,
1892	&sBlt);
1893	dprintf((" DiveSetupBlitter rc=%d",rc));
1894
1895	return(DD_OK);
1896	}
1897	//******************************************************************************
1898	//******************************************************************************
1899	HRESULT WIN32API DrawSetDisplayMode(THIS This, DWORD dwWidth, DWORD dwHeight,
1900	DWORD dwBPP)
1901	{
1902	ULONG rc;
1903	OS2IDirectDraw me = (OS2IDirectDraw )This;
1904	SETUP_BLITTER sBlt;
1905
1906	dprintf(("DDRAW: SetDisplayMode to %dx%d with %d bits colors\n", dwWidth, dwHeight, dwBPP));
1907
1908	me->screenwidth = dwWidth;
1909	me->screenheight = dwHeight;
1910	me->screenbpp = dwBPP;
1911
1912	if(me->dwCoopMode & DDSCL_FULLSCREEN)
1913	{
1914	// FSDDRAW additions
1915	ULONG ulModeInd;
1916
1917	SetWindowPos(me->hwndClient, HWND_TOP,0,0,dwWidth,dwHeight,0);
1918	SetCursorPos(dwWidth / 2, dwHeight / 2);
1919
1920	if ((bUseFSDD) && (ModeInSVGAModeTable(dwWidth,dwHeight,dwBPP)))
1921	{
1922	KillPM();
1923
1924	rc = SetSVGAMode(dwWidth, dwHeight, dwBPP, 0xFF, &ulModeInd, NULL);
1925
1926	if (!rc) // When mode switched successfully
1927	{
1928	/* save old screen values */
1929	me->bInFullScreen=TRUE;
1930	me->oldwidth = me->dCaps.ulHorizontalResolution;
1931	me->oldheight = me->dCaps.ulVerticalResolution;
1932	me->oldscanlines = me->dCaps.ulScanLineBytes;
1933	me->oldbpp = me->dCaps.ulDepth;
1934
1935	/* now 'fix' some DIVE caps entries */
1936	me->dCaps.ulScanLineBytes = dwWidth * (dwBPP >> 3); /* FIX: use real value */
1937	me->dCaps.ulHorizontalResolution = dwWidth;
1938	me->dCaps.ulVerticalResolution = dwHeight;
1939	me->dCaps.ulDepth = dwBPP;
1940	}
1941	else
1942	// Display must be return to PM Session
1943	RestorePM();
1944	}
1945	}
1946
1947	memset(&sBlt,0,sizeof(sBlt));
1948	sBlt.ulStructLen = sizeof(sBlt);
1949	sBlt.fccSrcColorFormat = FOURCC_SCRN;
1950	sBlt.ulSrcWidth = dwWidth;
1951	sBlt.ulSrcHeight = dwHeight;
1952	sBlt.ulSrcPosX = 0;
1953	sBlt.ulSrcPosY = 0;
1954	sBlt.fccDstColorFormat = FOURCC_SCRN;
1955	sBlt.ulDstWidth = dwWidth;
1956	sBlt.ulDstHeight = dwHeight;
1957	sBlt.lDstPosX = 0;
1958	sBlt.lDstPosY = 0;
1959	sBlt.lScreenPosX = 0;
1960	sBlt.lScreenPosY = me->dCaps.ulVerticalResolution-dwHeight;
1961	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1962
1963	rc = DiveSetupBlitter( me->hDive,
1964	&sBlt);
1965	dprintf((" DiveSetupBlitter rc=%d",rc));
1966
1967	return(DD_OK);
1968	}
1969	//******************************************************************************
1970	//******************************************************************************
1971	HRESULT WIN32API DrawWaitForVerticalBlank(THIS, DWORD dwFlags, HANDLE hEvent)
1972	{
1973	// HRESULT rc;
1974	// int rci;
1975	// USHORT sel;
1976	dprintf(("DDRAW: WaitForVerticalBlank\n"));
1977
1978	if(DDWAITVB_BLOCKBEGINEVENT == dwFlags) // This parameter isn't support in DX
1979	return (DDERR_UNSUPPORTED);
1980
1981	return DD_OK;
1982
1983	#if 0
1984	rci = InitIO();
1985
1986	if(rci) // try to get IOPL for the thread
1987	{
1988	dprintf(("DDRAW: No IOPL\n"));
1989	return (DDERR_UNSUPPORTED); // we failed so return error that we don't support this
1990	}
1991	// AT this point we should have IOPL so lets use it!
1992	dprintf(("DDRAW: IOPL 3!\n"));
1993
1994	rc = DDERR_INVALIDPARAMS; // set returnvalue to fail
1995
1996	if(DDWAITVB_BLOCKBEGIN == dwFlags)
1997	{
1998	dprintf(("DDRAW: BLOCKBEGIN\n"));
1999
2000	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of vert. retrace if one is running
2001	while ((c_inb1(0x3da)&0x08)==0); // Wait for new start of retrace
2002	rc = DD_OK;
2003	}
2004
2005	if(DDWAITVB_BLOCKEND == dwFlags)
2006	{
2007	dprintf(("DDRAW: BLOCKEND\n"));
2008	rc = DD_OK;
2009	if((c_inb1(0x3da)&0x08)!=0) // Are we in a vert. retrace
2010	{
2011	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of retrace
2012	}
2013	else
2014	{
2015	while ((c_inb1(0x3da)&0x08)==0); // Wait for new start of retrace
2016	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of vert. retrace
2017	}
2018
2019	}
2020
2021
2022	// io_exit1();
2023
2024
2025	return (rc);
2026	#endif
2027	}
2028
2029	//******************************************************************************
2030	//* Added in the v2 interface *
2031	//******************************************************************************
2032	HRESULT WIN32API DrawGetAvailableVidMem(THIS, LPDDSCAPS lpDDSCaps,
2033	LPDWORD lpdwTotal, LPDWORD lpdwFree)
2034	{
2035	dprintf(("DDRAW: GetAvailableVidMem\n"));
2036
2037	// Check parameters
2038	if(NULL==lpDDSCaps)
2039	return(DDERR_INVALIDPARAMS);
2040
2041	if((NULL==lpdwTotal)&&(NULL==lpdwFree))
2042	return(DDERR_INVALIDPARAMS);
2043
2044	if(NULL!=lpdwTotal)
2045	lpdwTotal = 2048 1024;
2046
2047	if(NULL!=lpdwFree)
2048	lpdwFree = 2048 1024;
2049
2050	return(DD_OK);
2051	}
2052	//******************************************************************************
2053	//
2054	//******************************************************************************
2055	HRESULT WIN32API DrawGetAvailableVidMem4(THIS, LPDDSCAPS2 lpDDSCaps2,
2056	LPDWORD lpdwTotal, LPDWORD lpdwFree)
2057	{
2058	dprintf(("DDRAW: GetAvailableVidMem\n"));
2059
2060	// Check parameters
2061	if(NULL==lpDDSCaps2)
2062	return(DDERR_INVALIDPARAMS);
2063
2064	if((NULL==lpdwTotal)&&(NULL==lpdwFree))
2065	return(DDERR_INVALIDPARAMS);
2066
2067	if(NULL!=lpdwTotal)
2068	lpdwTotal = 2048 1024;
2069
2070	if(NULL!=lpdwFree)
2071	lpdwFree = 2048 1024;
2072
2073	return(DD_OK);
2074	}
2075	//******************************************************************************
2076	//* Added in the v4 interface *
2077	//******************************************************************************
2078	HRESULT WIN32API DrawGetSurfaceFromDC(THIS, HDC hdc, LPDIRECTDRAWSURFACE4 *)
2079	{
2080	dprintf(("DDRAW: GetSurfaceFromDC NYI\n"));
2081
2082	return(DD_OK);
2083	}
2084	//******************************************************************************
2085	//******************************************************************************
2086	HRESULT WIN32API DrawRestoreAllSurfaces(THIS)
2087	{
2088	dprintf(("DDRAW: RestoreAllSurfaces\n"));
2089
2090	return(DD_OK);
2091	}
2092	//******************************************************************************
2093	//******************************************************************************
2094	HRESULT WIN32API DrawTestCooperativeLevel(THIS)
2095	{
2096	dprintf(("DDRAW: TestCooperativeLevel\n"));
2097
2098	return(DD_OK);
2099	}
2100	//******************************************************************************
2101	//******************************************************************************
2102	HRESULT WIN32API DrawGetDeviceIdentifier( THIS, LPDDDEVICEIDENTIFIER lpdddi,
2103	DWORD dwFlags)
2104	{
2105	dprintf(("DDRAW: GetDeviceIdentifier Flags = %d\n",dwFlags));
2106	if(NULL==lpdddi)
2107	return DDERR_INVALIDPARAMS;
2108
2109
2110
2111	memset( lpdddi,
2112	0,
2113	sizeof(DDDEVICEIDENTIFIER));
2114	// ToDo: Cretae a GUID and put some better data inside
2115	strcpy( lpdddi->szDriver,
2116	"OS/2 DIVE Driver");
2117	strcpy( lpdddi->szDescription,
2118	"ODIN DD Emulation Driver");
2119
2120
2121
2122	return(DD_OK);
2123	}
2124	//******************************************************************************
2125	//******************************************************************************
2126	VOID OS2IDirectDraw::SwitchDisplay(HWND hwnd)
2127	{
2128	DWORD dwVType, dwVSize;
2129	HKEY hkDirectDraw2;
2130
2131
2132
2133	if (bScale)
2134	{
2135	if (ERROR_SUCCESS==RegOpenKeyA(HKEY_LOCAL_MACHINE,KEY_DIRECT2DRAW,&hkDirectDraw2))
2136	{
2137	dwVSize = 4;
2138	dwVType = REG_DWORD;
2139	if (ERROR_SUCCESS!=RegQueryValueExA( hkDirectDraw2, "Fullscreen", NULL, &dwVType,
2140	(LPBYTE)&bScale, &dwVSize))
2141	bScale = FALSE;
2142	}
2143	else
2144	bScale = FALSE;
2145	}
2146
2147
2148	}
2149	//******************************************************************************
2150	//******************************************************************************
2151

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