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OS2DDRAW.CPP@ 6950

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Last change on this file since 6950 was 6950, checked in by sandervl, 24 years ago
updates for stretch blitting
File size: 76.2 KB

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1	/* $Id: OS2DDRAW.CPP,v 1.32 2001-10-05 12:33:09 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
15	#include <odin.h>
16	#include <stdlib.h>
17	#include <string.h>
18	#include <memory.h>
19
20	#define INITGUID
21	#include "os2ddraw.h"
22	#include "os2clipper.h"
23	#include "os2palette.h"
24	#include "os2surface.h"
25	#define _OS2WIN_H
26	#define FAR
27	#include <misc.h>
28	#include <string.h>
29	#include <winreg.h>
30	#include <winuser.h>
31	#include <winerror.h>
32	#include <options.h>
33	#include "cio2.h"
34	#include "os2util.h"
35	#include "os2fsdd.h"
36	// include with the videomodes we support
37	// better would be to get these modes from the card
38	// But for now we use standard VESA 2.0 modes with 70Hz
39	#include "os2ddrawmodes.h"
40	#include "os2DDWindow.h"
41	#include "os2palset.h"
42
43	#define KEY_DIRECT2 "\\Software\\Win32OS2\\Direct2"
44	#define KEY_DIRECT2DRAW "\\Software\\Win32OS2\\Direct2\\Draw"
45
46
47	BOOL bUseFSDD = FALSE;
48
49	FOURCC SupportedFourCCs[] = {FOURCC_SCRN,FOURCC_LUT8,FOURCC_R565,FOURCC_RGB3,FOURCC_RGB4};
50	//******************************************************************************
51	//******************************************************************************
52	OS2IDirectDraw::OS2IDirectDraw(GUID *lpGUID) :
53	Referenced(0), lastError(DD_OK),
54	pFrameBuffer(NULL), hwndClient(0), screenwidth(640),
55	screenheight(480), screenbpp(8),PrimaryExists(FALSE),pPrimSurf(NULL)
56
57	{
58	HKEY hkDirectDraw2;
59	DWORD dwVSize, dwVType;
60	ULONG rc;
61	FOURCC fccModes[100];
62
63	// Setup table for 3d devices
64	Vtbl3D.AddRef = D3DAddRef;
65	Vtbl3D.Release = D3DRelease;
66	Vtbl3D.QueryInterface = D3DQueryInterface;
67	Vtbl3D.Initialize = D3DInitialize;
68	Vtbl3D.EnumDevices = D3DEnumDevices;
69	Vtbl3D.CreateLight = D3DCreateLight;
70	Vtbl3D.CreateMaterial = D3DCreateMaterial;
71	Vtbl3D.CreateViewport = D3DCreateViewport;
72	Vtbl3D.FindDevice = D3DFindDevice;
73
74	// Org Interface
75	Vtbl.AddRef = DrawAddRef;
76	Vtbl.Release = DrawRelease;
77	Vtbl.QueryInterface = DrawQueryInterface;
78	Vtbl.Compact = DrawCompact;
79	Vtbl.CreateClipper = DrawCreateClipper;
80	Vtbl.CreatePalette = DrawCreatePalette;
81	Vtbl.CreateSurface = DrawCreateSurface;
82	Vtbl.DuplicateSurface = DrawDuplicateSurface;
83	Vtbl.EnumDisplayModes = DrawEnumDisplayModes;
84	Vtbl.EnumSurfaces = DrawEnumSurfaces;
85	Vtbl.FlipToGDISurface = DrawFlipToGDISurface;
86	Vtbl.GetCaps = DrawGetCaps;
87	Vtbl.GetDisplayMode = DrawGetDisplayMode;
88	Vtbl.GetFourCCCodes = DrawGetFourCCCodes;
89	Vtbl.GetGDISurface = DrawGetGDISurface;
90	Vtbl.GetMonitorFrequency = DrawGetMonitorFrequency;
91	Vtbl.GetScanLine = DrawGetScanLine;
92	Vtbl.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
93	Vtbl.Initialize = DrawInitialize;
94	Vtbl.RestoreDisplayMode = DrawRestoreDisplayMode;
95	Vtbl.SetCooperativeLevel = DrawSetCooperativeLevel;
96	Vtbl.SetDisplayMode = DrawSetDisplayMode;
97	Vtbl.WaitForVerticalBlank = DrawWaitForVerticalBlank;
98
99	// V2 Interface
100
101	Vtbl2.AddRef = DrawAddRef;
102	Vtbl2.Release = DrawRelease;
103	Vtbl2.QueryInterface = DrawQueryInterface;
104	Vtbl2.Compact = DrawCompact;
105	Vtbl2.CreateClipper = DrawCreateClipper;
106	Vtbl2.CreatePalette = DrawCreatePalette;
107	Vtbl2.CreateSurface = DrawCreateSurface;
108	Vtbl2.DuplicateSurface = DrawDuplicateSurface;
109	Vtbl2.EnumDisplayModes = DrawEnumDisplayModes;
110	Vtbl2.EnumSurfaces = DrawEnumSurfaces;
111	Vtbl2.FlipToGDISurface = DrawFlipToGDISurface;
112	Vtbl2.GetCaps = DrawGetCaps;
113	Vtbl2.GetDisplayMode = DrawGetDisplayMode;
114	Vtbl2.GetFourCCCodes = DrawGetFourCCCodes;
115	Vtbl2.GetGDISurface = DrawGetGDISurface;
116	Vtbl2.GetMonitorFrequency = DrawGetMonitorFrequency;
117	Vtbl2.GetScanLine = DrawGetScanLine;
118	Vtbl2.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
119	Vtbl2.Initialize = DrawInitialize;
120	Vtbl2.RestoreDisplayMode = DrawRestoreDisplayMode;
121	Vtbl2.SetCooperativeLevel = DrawSetCooperativeLevel;
122	Vtbl2.SetDisplayMode = DrawSetDisplayMode2;
123	Vtbl2.WaitForVerticalBlank = DrawWaitForVerticalBlank;
124	Vtbl2.GetAvailableVidMem = DrawGetAvailableVidMem;
125
126	// New V4 interface
127	Vtbl4.AddRef = DrawAddRef; // todo change to a DrawAddRef4 as handling this has changed
128	Vtbl4.Release = DrawRelease; // see above
129	Vtbl4.QueryInterface = DrawQueryInterface;
130	Vtbl4.Compact = DrawCompact;
131	Vtbl4.CreateClipper = DrawCreateClipper;
132	Vtbl4.CreatePalette = DrawCreatePalette;
133	Vtbl4.CreateSurface = DrawCreateSurface4;//
134	Vtbl4.DuplicateSurface = DrawDuplicateSurface4;//
135	Vtbl4.EnumDisplayModes = DrawEnumDisplayModes4;//
136	Vtbl4.EnumSurfaces = DrawEnumSurfaces4; //
137	Vtbl4.FlipToGDISurface = DrawFlipToGDISurface;
138	Vtbl4.GetCaps = DrawGetCaps;
139	Vtbl4.GetDisplayMode = DrawGetDisplayMode4;//
140	Vtbl4.GetFourCCCodes = DrawGetFourCCCodes;
141	Vtbl4.GetGDISurface = DrawGetGDISurface4;//
142	Vtbl4.GetMonitorFrequency = DrawGetMonitorFrequency;
143	Vtbl4.GetScanLine = DrawGetScanLine;
144	Vtbl4.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
145	Vtbl4.Initialize = DrawInitialize;
146	Vtbl4.RestoreDisplayMode = DrawRestoreDisplayMode;
147	Vtbl4.SetCooperativeLevel = DrawSetCooperativeLevel;
148	Vtbl4.SetDisplayMode = DrawSetDisplayMode2;
149	Vtbl4.WaitForVerticalBlank = DrawWaitForVerticalBlank;
150	Vtbl4.GetAvailableVidMem = DrawGetAvailableVidMem4;
151	Vtbl4.GetSurfaceFromDC = DrawGetSurfaceFromDC;
152	Vtbl4.RestoreAllSurfaces = DrawRestoreAllSurfaces;
153	Vtbl4.TestCooperativeLevel = DrawTestCooperativeLevel;
154	Vtbl4.GetDeviceIdentifier = DrawGetDeviceIdentifier;
155
156	if(lpGUID && *lpGUID == IID_IDirect3D)
157	{
158	dprintf(("DDRAW: D3D Interface -> using V4 Interface"));
159
160	lpVtbl = &Vtbl4;
161	}
162	else
163	{
164	if(lpGUID && *lpGUID == IID_IDirectDraw4)
165	{
166	dprintf(("DDRAW: V4 Interface\n"));
167	lpVtbl = &Vtbl4;
168	}
169	else
170	{
171	dprintf(("DDRAW: <V4 Interface\n"));
172	lpVtbl = (IDirectDraw4Vtbl *) &Vtbl;
173	}
174	}
175
176	lpVtbl2 = lpVtbl;
177
178	pdwUnknownData = (DWORD) malloc (255sizeof(DWORD));
179	for(int i= 0 ;i<255;i++)
180	pdwUnknownData[i] = 0;
181
182	rc = DiveOpen( &hDive,
183	FALSE,
184	&pFrameBuffer);
185	if(rc)
186	{
187	dprintf(("DDRAW: ERROR: DiveOpen returned %d\n", rc));
188	lastError = DDERR_GENERIC;
189	hDive = NULL;
190	}
191	else
192	{
193	dprintf(("DDRAW: DiveOpen OK Framebuufer at 0x%08X\n",pFrameBuffer));
194	}
195	memset( &dCaps,
196	0,
197	sizeof(DIVE_CAPS) );
198	dCaps.ulStructLen = sizeof(DIVE_CAPS);
199	dCaps.ulFormatLength = 100;
200	dCaps.pFormatData = &fccModes[0];
201
202	rc = DiveQueryCaps( &dCaps,
203	DIVE_BUFFER_SCREEN);
204
205	dprintf(("DDRAW: DiveQueryCaps rc=0x%08X\n",rc));
206
207	pdwUnknownData[235] = dCaps.ulHorizontalResolution;
208	pdwUnknownData[236] = dCaps.ulVerticalResolution;
209	pdwUnknownData[241] = dCaps.ulDepth;
210
211	screenwidth = dCaps.ulHorizontalResolution;
212	screenheight = dCaps.ulVerticalResolution;
213	screenbpp = dCaps.ulDepth;
214
215	// Shall we run in FS mode ?
216	if(ERROR_SUCCESS==RegOpenKeyA(HKEY_LOCAL_MACHINE,KEY_DIRECT2DRAW,&hkDirectDraw2))
217	{
218	dwVSize = 4;
219	dwVType = REG_DWORD;
220	if(ERROR_SUCCESS!=RegQueryValueExA(hkDirectDraw2,"Fullscreen",NULL,&dwVType,(LPBYTE)&bScale,&dwVSize))
221	bScale = FALSE;
222	}
223	else
224	bScale = FALSE;
225
226	rc = InitIO();
227
228	if(rc) // try to get IOPL for the thread
229	{
230	dprintf(("DDRAW: No IOPL"));
231	}
232	else
233	{
234	dprintf(("DDRAW: IOPL 3!"));
235	}
236
237
238	// Check to see if FS DDraw is enabled in ODIN.INI
239	if (PROFILE_GetOdinIniBool(ODINDDRAW_SECTION, "Fullscreen", FALSE)) {
240	rc = LoadPMIService();
241	dprintf(("DDRAW: LoadPMIService() rc=0x%08X",rc));
242
243	if (!rc) {
244	SetUpModeTable();
245
246	bUseFSDD = TRUE;
247	dprintf(("DDRAW: Fullscreen enabled",rc));
248	}
249	}
250	}
251	//******************************************************************************
252	//******************************************************************************
253	OS2IDirectDraw::~OS2IDirectDraw()
254	{
255	dprintf(("DDRAW: OS2IDirectDraw::~OS2IDirectDraw()"));
256
257	if (hDive)
258	DiveClose(hDive);
259
260	// Safety call in case the program did set the pal to all black
261	// so if the destructor gets called we might be able change this back
262	OS2ResetPhysPalette();
263
264	// FSDDRAW additions
265	// we need this in Full Screen, but don't do anything in windowed
266	// session.
267	if (bUseFSDD) {
268	RestorePM();
269	FreeModeTable();
270	}
271	}
272	//******************************************************************************
273	//******************************************************************************
274	FOURCC OS2IDirectDraw::GetScreenFourCC()
275	{
276	return SupportedFourCCs[screenbpp>>3];
277	}
278	//******************************************************************************
279	//******************************************************************************
280	HRESULT WIN32API DrawQueryInterface(THIS This, REFIID riid, LPVOID FAR * ppvObj)
281	{
282	OS2IDirectDraw me = (OS2IDirectDraw )This;
283
284	dprintf(("DDRAW: OS2IDirectDraw::QueryInterface %x %x %x", This, riid, ppvObj));
285
286	*ppvObj = NULL;
287
288	if(!IsEqualGUID(riid, CLSID_DirectDraw) &&
289	!IsEqualGUID(riid, IID_IDirectDraw) &&
290	!IsEqualGUID(riid, IID_IDirectDraw2) &&
291	!IsEqualGUID(riid, IID_IDirectDraw4) &&
292	!IsEqualGUID(riid, IID_IDirect3D))
293	// !IsEqualGUID(riid, IID_IUnknown))
294	return E_NOINTERFACE;
295
296	// ToDo Better way of returning differnent interfaces for same class
297	if(IsEqualGUID(riid, IID_IDirect3D))
298	{
299	me->lpVtbl3D = &me->Vtbl3D;
300	me->lpVtbl3D2 = me->lpVtbl3D;
301	me->pdwUnknownData3D = me->pdwUnknownData;
302	*ppvObj = (LPVOID)&me->lpVtbl3D;
303	DrawAddRef(This);
304	return DD_OK;
305	}
306	else
307	{
308	if(IsEqualGUID(riid, IID_IDirectDraw4))
309	{
310	dprintf(("DDRAW: IID_IDirectDraw4 Interface"));
311	me->lpVtbl = &me->Vtbl4;
312	}
313	else
314	{
315	if(IsEqualGUID(riid, IID_IDirectDraw2))
316	{
317	dprintf(("DDRAW: IID_IDirectDraw2 Interface"));
318	me->lpVtbl = (IDirectDraw4Vtbl *) &me->Vtbl2;
319	}
320	else
321	{
322	dprintf(("DDRAW: IID_IDirectDraw Interface"));
323	me->lpVtbl = (IDirectDraw4Vtbl *) &me->Vtbl;
324	}
325	}
326	}
327	me->lpVtbl2 = me->lpVtbl;
328	*ppvObj = This;
329	DrawAddRef(This);
330
331	return(DD_OK);
332	}
333	//******************************************************************************
334	//******************************************************************************
335	ULONG WIN32API DrawAddRef(THIS This)
336	{
337	OS2IDirectDraw me = (OS2IDirectDraw )This;
338
339	dprintf(("DDRAW: OS2IDirectDraw::AddRef %d", me->Referenced+1));
340
341	return ++me->Referenced;
342	}
343	//******************************************************************************
344	//******************************************************************************
345	ULONG WIN32API DrawRelease(THIS This)
346	{
347	OS2IDirectDraw me = (OS2IDirectDraw )This;
348	ULONG rc;
349
350	dprintf(("DDRAW: OS2IDirectDraw::Release %d", me->Referenced-1));
351	dprintf(("DDRAW: OS2IDirectDraw::%X", me));
352
353	if(me->Referenced)
354	{
355
356	me->Referenced--;
357	if(me->Referenced == 0)
358	{
359	delete(me);
360	rc = 0;
361	}
362	else
363	rc = me->Referenced;
364	}
365	else
366	rc = 0;
367
368	return rc;
369	}
370	//******************************************************************************
371	//******************************************************************************
372	HRESULT WIN32API DrawCompact(THIS)
373	{
374	dprintf(("DDRAW: Compact"));
375
376	return(DD_OK);
377	}
378	//******************************************************************************
379	//******************************************************************************
380	HRESULT WIN32API DrawCreateClipper(THIS This, DWORD, LPDIRECTDRAWCLIPPER FAR lplpDD, IUnknown FAR )
381	{
382	OS2IDirectDraw me = (OS2IDirectDraw )This;
383	OS2IDirectDrawClipper *newclip;
384	HRESULT rc;
385
386	newclip = new OS2IDirectDrawClipper(me);
387
388	dprintf(("DDRAW: CreateClipper"));
389
390	if(newclip == NULL)
391	{
392	rc = DDERR_OUTOFMEMORY;
393	}
394	else
395	{
396	newclip->Vtbl.AddRef((IDirectDrawClipper *)newclip);
397	rc = newclip->GetLastError();
398	if(rc != DD_OK)
399	{
400	*lplpDD = NULL;
401	delete newclip;
402	}
403	else
404	lplpDD = (IDirectDrawClipper )newclip;
405	}
406
407	return(rc);
408	}
409	//******************************************************************************
410	//******************************************************************************
411	HRESULT WIN32API DrawCreatePalette(THIS This, DWORD dwFlags,
412	LPPALETTEENTRY lpColorTable,
413	LPDIRECTDRAWPALETTE FAR *lplpDD,
414	IUnknown FAR *pUnkOuter)
415	{
416	OS2IDirectDraw me = (OS2IDirectDraw )This;
417	OS2IDirectDrawPalette *newpal;
418	HRESULT rc = DD_OK;
419	int palsize = 0;
420
421	if(dwFlags & DDPCAPS_8BITENTRIES)
422	{
423	// We Don't support Indexed palettes...
424
425	rc = DDERR_INVALIDPARAMS;
426	}
427
428	if(dwFlags & DDPCAPS_2BIT)
429	palsize = 4;
430	if(dwFlags & DDPCAPS_4BIT)
431	palsize = 16;
432	if(dwFlags & DDPCAPS_8BIT)
433	palsize = 256;
434	if(dwFlags & DDPCAPS_ALLOW256)
435	palsize = 256;
436
437	if(palsize == 0)
438	rc = DDERR_INVALIDPARAMS;
439
440	if(DD_OK == rc)
441	{
442	dprintf(("DDRAW: CreatePalette with %d colors", palsize));
443
444	newpal = new OS2IDirectDrawPalette((VOID*)me, palsize, lpColorTable, dwFlags);
445
446	if(newpal == NULL)
447	{
448	rc = DDERR_OUTOFMEMORY;
449	}
450	else
451	{
452	newpal->Vtbl.AddRef((IDirectDrawPalette *)newpal);
453	rc = newpal->GetLastError();
454
455	if(DD_OK != rc)
456	{
457	*lplpDD = NULL;
458	delete newpal;
459	}
460	else
461	lplpDD = (IDirectDrawPalette )newpal;
462	}
463	}
464
465	return(rc);
466	}
467	//******************************************************************************
468	//******************************************************************************
469	HRESULT WIN32API DrawCreateSurface(THIS This, LPDDSURFACEDESC lpDDSurfaceDesc,
470	LPDIRECTDRAWSURFACE FAR *lplpDD,
471	IUnknown FAR *pUnkOuter)
472	{
473	OS2IDirectDraw me = (OS2IDirectDraw )This;
474	OS2IDirectDrawSurface *newsurf;
475	HRESULT rc;
476
477	dprintf(("DDRAW: CreateSurface\n"));
478	dprintf(("DDRAW: dwSize %d\n", lpDDSurfaceDesc->dwSize));
479	dprintf(("DDRAW: dwFlags %X\n", lpDDSurfaceDesc->dwFlags));
480	dprintf(("DDRAW: dwHeight %d\n", lpDDSurfaceDesc->dwHeight));
481	dprintf(("DDRAW: dwWidth %d\n", lpDDSurfaceDesc->dwWidth));
482	dprintf(("DDRAW: lPitch %d\n", lpDDSurfaceDesc->lPitch));
483	dprintf(("DDRAW: dwBackBufferCount %d\n", lpDDSurfaceDesc->dwBackBufferCount));
484	dprintf(("DDRAW: dwMipMapCount %d\n", lpDDSurfaceDesc->dwMipMapCount));
485	dprintf(("DDRAW: dwAlphaBitDepth %d\n", lpDDSurfaceDesc->dwAlphaBitDepth));
486	dprintf(("DDRAW: ddsCaps.dwCaps %X\n", lpDDSurfaceDesc->ddsCaps.dwCaps));
487
488	newsurf = new OS2IDirectDrawSurface(me, (LPDDSURFACEDESC2)lpDDSurfaceDesc);
489	if(newsurf == NULL)
490	{
491	rc = DDERR_OUTOFMEMORY;
492	}
493	else
494	{
495	newsurf->Vtbl.AddRef((IDirectDrawSurface *)newsurf);
496	rc = newsurf->GetLastError();
497	if(rc != DD_OK)
498	{
499	dprintf(("DDRAW: Error createing Surface rc = %d\n\n", rc));
500	*lplpDD = NULL;
501	delete newsurf;
502	}
503	else
504	lplpDD = (IDirectDrawSurface )newsurf;
505
506	dprintf(("DDRAW: New Surface created at %08X\n\n", newsurf));
507	}
508
509	return(rc);
510	}
511	//******************************************************************************
512	//******************************************************************************
513	HRESULT WIN32API DrawCreateSurface4(THIS This, LPDDSURFACEDESC2 lpDDSurfaceDesc2,
514	LPDIRECTDRAWSURFACE4 FAR *lplpDD,
515	IUnknown FAR *pUnkOuter)
516	{
517	OS2IDirectDraw me = (OS2IDirectDraw )This;
518	OS2IDirectDrawSurface *newsurf;
519	HRESULT rc;
520
521	dprintf(("DDRAW: CreateSurface4\n"));
522	dprintf(("DDRAW: dwSize %d\n", lpDDSurfaceDesc2->dwSize));
523	dprintf(("DDRAW: dwHeight %d\n", lpDDSurfaceDesc2->dwHeight));
524	dprintf(("DDRAW: dwWidth %d\n", lpDDSurfaceDesc2->dwWidth));
525	dprintf(("DDRAW: lPitch %d\n", lpDDSurfaceDesc2->lPitch));
526	dprintf(("DDRAW: dwBackBufferCount %d\n", lpDDSurfaceDesc2->dwBackBufferCount));
527	dprintf(("DDRAW: dwMipMapCount %d\n", lpDDSurfaceDesc2->dwMipMapCount));
528	dprintf(("DDRAW: dwAlphaBitDepth %d\n", lpDDSurfaceDesc2->dwAlphaBitDepth));
529	dprintf(("DDRAW: ddsCaps.dwCaps %X\n", lpDDSurfaceDesc2->ddsCaps.dwCaps));
530
531	newsurf = new OS2IDirectDrawSurface(me, lpDDSurfaceDesc2);
532
533	if(newsurf == NULL)
534	{
535	rc = DDERR_OUTOFMEMORY;
536	}
537	else
538	{
539	newsurf->Vtbl.AddRef((IDirectDrawSurface *)newsurf);
540	rc = newsurf->GetLastError();
541	if(rc != DD_OK)
542	{
543	dprintf(("DDRAW: Error createing Surface\n\n"));
544	*lplpDD = NULL;
545
546	delete newsurf;
547	}
548	else
549	lplpDD = (IDirectDrawSurface4 )newsurf;
550
551	dprintf(("DDRAW: New Surface created at %08X\n\n", newsurf));
552	}
553
554	return(rc);
555	}
556	//******************************************************************************
557	//******************************************************************************
558	HRESULT WIN32API DrawDuplicateSurface(THIS, LPDIRECTDRAWSURFACE, LPDIRECTDRAWSURFACE FAR * )
559	{
560	dprintf(("DDRAW: DuplicateSurface NIY\n"));
561
562	return(DD_OK);
563	}
564	//******************************************************************************
565	//******************************************************************************
566	HRESULT WIN32API DrawDuplicateSurface4(THIS, LPDIRECTDRAWSURFACE4, LPDIRECTDRAWSURFACE4 FAR * )
567	{
568	dprintf(("DDRAW: DuplicateSurface4 NIY\n"));
569
570	return(DD_OK);
571	}
572	//******************************************************************************
573	//******************************************************************************
574	HRESULT WIN32API DrawEnumDisplayModes( THIS This,
575	DWORD dwFlags,
576	LPDDSURFACEDESC lpDDSurfaceDesc,
577	LPVOID lpContext,
578	LPDDENUMMODESCALLBACK lpDDEnumModesCallback)
579	{
580	int iMode = 0;
581	DDSURFACEDESC DDSurfAct;
582	BOOL fCallAgain;
583	OS2IDirectDraw me = (OS2IDirectDraw )This;
584
585	dprintf(("DDRAW: EnumDisplayModes\n"));
586
587	// Check for Pointer to callback function
588	if (NULL == lpDDEnumModesCallback)
589	{
590	dprintf(("DDRAW: EnumDisplayModes : Error NO EnumFunction passed in\n"));
591
592	return(DDERR_GENERIC);
593	}
594
595
596	// Setting up the surface
597	// During enum we report resolution and bitdepth, maybe we should
598	// also report back : Caps and Pitch
599	memset(&DDSurfAct,0,sizeof(DDSURFACEDESC));
600	DDSurfAct.dwSize = sizeof(DDSURFACEDESC);
601	DDSurfAct.dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT ;
602	// Only report the bitdepth hope this is ok this way, we must set the BitMask fields
603
604	DDSurfAct.ddpfPixelFormat.dwSize = sizeof (DDPIXELFORMAT);
605	DDSurfAct.ddpfPixelFormat.dwFlags = DDPF_RGB;
606	// Check if we use DIVE or Voodoo
607	if(me->lpVtbl != (IDirectDraw4Vtbl *) &(me->Vtbl3D))
608	{
609	// DIVE modes
610
611	dprintf(("DDRAW: EnumDisplayModes : DIVE modes\n"));
612
613	// Enumerate all modes ?
614	if (NULL==lpDDSurfaceDesc)
615	{
616	// Check if we shall report 320x200 mode
617
618	dprintf(("DDRAW: EnumDisplayModes : ALL modes\n"));
619
620	if(dwFlags && DDEDM_STANDARDVGAMODES)
621	{
622	dprintf(("DDRAW: EnumDisplayModes : STANDARDVGAMODES\n"));
623
624	DDSurfAct.dwHeight = ModesDive[0].iYRes;
625	DDSurfAct.dwWidth = ModesDive[0].iXRes;
626	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
627	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8 ;
628	if(!lpDDEnumModesCallback(&DDSurfAct,lpContext))
629	{
630	dprintf(("DDRAW: EnumDisplayModes : Enum done\n"));
631	return (DD_OK);
632	}
633	}
634	// Don't know the flag for Mode X so we skip reporting it
635
636	// Now report all our modes
637	iMode = 2;
638	fCallAgain = TRUE;
639	do
640	{
641	// if the mode fits in the current resolution report it
642	// Change this if we support Fullscreen later !!!
643
644	if(ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)
645	{
646	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
647	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
648	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
649	switch(ModesDive[iMode].iBits)
650	{
651	case 8:
652	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
653	break;
654	case 16:
655	// VESA uses 565 encoding in 16 bit modes
656	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
657	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
658	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
659	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
660	break;
661	case 24:
662	// VESA uses per default RGB4
663	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
664	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
665	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
666	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
667	break;
668	default:
669	break;
670	}
671	dprintf( ("EnumDisplayModes : Enum Mode %dx%d @ %d\n",
672	DDSurfAct.dwHeight,
673	DDSurfAct.dwWidth,
674	DDSurfAct.ddpfPixelFormat.dwRGBBitCount));
675	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
676	dprintf( ("EnumDisplayModes : Callback returned with %d\n",
677	fCallAgain));
678	}
679	iMode++;
680	}
681	while( (iMode < NUM_MODES_DIVE) &&
682	(ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
683	(TRUE==fCallAgain) );
684	}
685	else
686	{
687	// No, so filter modes with lpDDSurfaceDesc
688
689	// Return Error if the program want to use other than the 3 supported values
690	// for filtering
691
692	if (lpDDSurfaceDesc->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
693	return(DDERR_INVALIDPARAMS);
694
695	iMode = 0;
696	if( (dwFlags && DDEDM_STANDARDVGAMODES) &&
697	(
698	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
699	(ModesDive[iMode].iXRes==lpDDSurfaceDesc->dwWidth)
700	)\|\|(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
701	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
702	(ModesDive[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
703	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
704	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
705	(ModesDive[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
706	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
707	)
708	)
709	{
710	DDSurfAct.dwHeight = ModesDive[0].iYRes;
711	DDSurfAct.dwWidth = ModesDive[0].iXRes;
712	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
713	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
714	if(!lpDDEnumModesCallback(&DDSurfAct,lpContext))
715	{
716	return (DD_OK);
717	}
718	}
719	// Don't know the flag for Mode X so we skip reporting it
720
721	// Now report all our modes
722	iMode = 2;
723	fCallAgain = TRUE;
724	do
725	{
726	// if the mode fits in the current resolution and the filter applies report it
727	// Change this if we support Fullscreen later !!!
728	if( (ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)&&
729	(
730	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
731	(ModesDive[iMode].iXRes==lpDDSurfaceDesc->dwWidth))\|\|
732	(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
733	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
734	(ModesDive[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
735	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
736	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
737	(ModesDive[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
738	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
739	)
740	)
741	{
742	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
743	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
744	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
745	switch(ModesDive[iMode].iBits)
746	{
747	case 8:
748	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
749	break;
750	case 16:
751	// VESA uses 565 encoding in 16 bit modes
752	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
753	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
754	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
755	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
756	break;
757	case 24:
758	// VESA uses per default RGB4
759	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
760	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
761	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
762	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
763	break;
764	default:
765	break;
766	}
767
768	dprintf(("Call lpDDEnumModesCallback with mode (%d,%d) bps %d", DDSurfAct.dwWidth, DDSurfAct.dwHeight, ModesDive[iMode].iBits));
769	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
770	}
771	iMode++;
772	}
773	while((ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
774	(iMode < NUM_MODES_DIVE) && (TRUE==fCallAgain));
775
776	}
777	}
778	else
779	{
780
781	// VOODOO modes
782
783	// Enumerate all modes ?
784	if (NULL==lpDDSurfaceDesc)
785	{
786
787	// report all our modes
788	iMode = 0;
789	fCallAgain = TRUE;
790	do
791	{
792	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
793	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
794	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
795
796	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
797	iMode++;
798	}
799	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
800	}
801	else
802	{
803	// No, so filter modes with lpDDSurfaceDesc
804
805	// Return Error if the program want to use other than the 3 supported values
806	// for filtering
807
808	if (lpDDSurfaceDesc->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
809	{
810	return(DDERR_INVALIDPARAMS);
811	}
812
813	iMode = 2;
814	fCallAgain = TRUE;
815	// All reported mode are 16bit
816	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
817	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
818	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
819	do
820	{
821	// if the mode fits the filter applies report it
822	if(
823	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
824	(ModesVoodoo[iMode].iXRes==lpDDSurfaceDesc->dwWidth))\|\|
825	(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
826	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
827	(ModesVoodoo[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
828	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
829	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
830	(ModesVoodoo[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
831	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
832	)
833	{
834	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
835	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
836	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
837
838	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
839	}
840	iMode++;
841	}
842	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
843
844	}
845
846	}
847	return(DD_OK);
848	}
849	//******************************************************************************
850	//******************************************************************************
851	HRESULT WIN32API DrawEnumDisplayModes4(THIS This, DWORD dwFlags, LPDDSURFACEDESC2 lpDDSurfaceDesc2,
852	LPVOID lpContext, LPDDENUMMODESCALLBACK2 lpDDEnumModesCallback2)
853	{
854	int iMode = 0;
855	DDSURFACEDESC2 DDSurfAct;
856	BOOL fCallAgain;
857	OS2IDirectDraw me = (OS2IDirectDraw )This;
858
859	dprintf(("DDRAW: EnumDisplayModes4"));
860
861	// Check for Pointer to callback function
862	if (NULL == lpDDEnumModesCallback2)
863	{
864	dprintf(("DDRAW: EnumDisplayModes4 : Error NO EnumFunction passed in\n"));
865
866	return(DDERR_GENERIC);
867	}
868
869
870	// Setting up the surface
871	// During enum we report resolution and bitdepth, maybe we should
872	// also report back : Caps and Pitch
873	memset(&DDSurfAct,0,sizeof(DDSURFACEDESC2));
874	DDSurfAct.dwSize = sizeof(DDSURFACEDESC2);
875	DDSurfAct.dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT ;
876	// Only report the bitdepth hope this is ok this way, we must set the BitMask fields
877
878	DDSurfAct.ddpfPixelFormat.dwSize = sizeof (DDPIXELFORMAT);
879	DDSurfAct.ddpfPixelFormat.dwFlags = DDPF_RGB;
880
881	// Check if we use DIVE or Voodoo
882	if(me->lpVtbl != (IDirectDraw4Vtbl *) &(me->Vtbl3D))
883	{
884	// DIVE modes
885
886	dprintf(("DDRAW: EnumDisplayModes : DIVE modes\n"));
887
888	// Enumerate all modes ?
889	if (NULL==lpDDSurfaceDesc2)
890	{
891	// Check if we shall report 320x200 mode
892
893	dprintf(("DDRAW: EnumDisplayModes : ALL modes\n"));
894
895	if(dwFlags && DDEDM_STANDARDVGAMODES)
896	{
897	dprintf(("DDRAW: EnumDisplayModes : STANDARDVGAMODES\n"));
898
899	DDSurfAct.dwHeight = ModesDive[0].iYRes;
900	DDSurfAct.dwWidth = ModesDive[0].iXRes;
901	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
902	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8 ;
903	if(!lpDDEnumModesCallback2(&DDSurfAct,lpContext))
904	{
905	dprintf(("DDRAW: EnumDisplayModes : Enum done\n"));
906	return (DD_OK);
907	}
908	}
909	// Don't know the flag for Mode X so we skip reporting it
910
911	// Now report all our modes
912	iMode = 2;
913	fCallAgain = TRUE;
914	do
915	{
916	// if the mode fits in the current resolution report it
917	// Change this if we support Fullscreen later !!!
918
919	if(ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)
920	{
921	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
922	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
923	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
924	switch(ModesDive[iMode].iBits)
925	{
926	case 8:
927	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
928	break;
929	case 16:
930	// VESA uses 565 encoding in 16 bit modes
931	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
932	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
933	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
934	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
935	break;
936	case 24:
937	// VESA uses per default RGB4
938	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
939	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
940	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
941	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
942	break;
943	default:
944	break;
945	}
946	dprintf( ("EnumDisplayModes : Enum Mode %dx%d @ %d\n",
947	DDSurfAct.dwHeight,
948	DDSurfAct.dwWidth,
949	DDSurfAct.ddpfPixelFormat.dwRGBBitCount));
950	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
951	dprintf( ("EnumDisplayModes : Callback returned with %d\n",
952	fCallAgain));
953	}
954	iMode++;
955	}
956	while( (iMode < NUM_MODES_DIVE) &&
957	(ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
958	(TRUE==fCallAgain) );
959	}
960	else
961	{
962	// No, so filter modes with lpDDSurfaceDesc2
963
964	// Return Error if the program want to use other than the 3 supported values
965	// for filtering
966
967	if (lpDDSurfaceDesc2->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
968	return(DDERR_INVALIDPARAMS);
969
970	iMode = 0;
971	if( (dwFlags && DDEDM_STANDARDVGAMODES) &&
972	(
973	(((lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)&&
974	(ModesDive[iMode].iXRes==lpDDSurfaceDesc2->dwWidth)
975	)\|\|(!(lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)))&&
976	(((lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)&&
977	(ModesDive[iMode].iYRes==lpDDSurfaceDesc2->dwHeight))\|\|
978	(!(lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)))&&
979	(((lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT) &&
980	(ModesDive[iMode].iBits==lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount))\|\|
981	(!(lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT)))
982	)
983	)
984	{
985	DDSurfAct.dwHeight = ModesDive[0].iYRes;
986	DDSurfAct.dwWidth = ModesDive[0].iXRes;
987	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
988	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
989	if(!lpDDEnumModesCallback2(&DDSurfAct,lpContext))
990	{
991	return (DD_OK);
992	}
993	}
994	// Don't know the flag for Mode X so we skip reporting it
995
996	// Now report all our modes
997	iMode = 2;
998	fCallAgain = TRUE;
999	do
1000	{
1001	// if the mode fits in the current resolution and the filter applies report it
1002	// Change this if we support Fullscreen later !!!
1003	if( (ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)&&
1004	(
1005	(((lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)&&
1006	(ModesDive[iMode].iXRes==lpDDSurfaceDesc2->dwWidth))\|\|
1007	(!(lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)))&&
1008	(((lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)&&
1009	(ModesDive[iMode].iYRes==lpDDSurfaceDesc2->dwHeight))\|\|
1010	(!(lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)))&&
1011	(((lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT) &&
1012	(ModesDive[iMode].iBits==lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount))\|\|
1013	(!(lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT)))
1014	)
1015	)
1016	{
1017	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
1018	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
1019	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
1020	switch(ModesDive[iMode].iBits)
1021	{
1022	case 8:
1023	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
1024	break;
1025	case 16:
1026	// VESA uses 565 encoding in 16 bit modes
1027	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
1028	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
1029	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
1030	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
1031	break;
1032	case 24:
1033	// VESA uses per default RGB4
1034	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
1035	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1036	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1037	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
1038	break;
1039	default:
1040	break;
1041	}
1042
1043	dprintf(("Call lpDDEnumModesCallback with mode (%d,%d) bps %d", DDSurfAct.dwWidth, DDSurfAct.dwHeight, ModesDive[iMode].iBits));
1044	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
1045	}
1046	iMode++;
1047	}
1048	while((ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
1049	(iMode < NUM_MODES_DIVE) && (TRUE==fCallAgain));
1050
1051	}
1052	}
1053	else
1054	{
1055
1056	// VOODOO modes
1057
1058	// Enumerate all modes ?
1059	if (NULL==lpDDSurfaceDesc2)
1060	{
1061
1062	// report all our modes
1063	iMode = 0;
1064	fCallAgain = TRUE;
1065	do
1066	{
1067	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
1068	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
1069	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
1070
1071	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
1072	iMode++;
1073	}
1074	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
1075	}
1076	else
1077	{
1078	// No, so filter modes with lpDDSurfaceDesc2
1079
1080	// Return Error if the program want to use other than the 3 supported values
1081	// for filtering
1082
1083	if (lpDDSurfaceDesc2->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
1084	{
1085	return(DDERR_INVALIDPARAMS);
1086	}
1087
1088	iMode = 2;
1089	fCallAgain = TRUE;
1090	// All reported mode are 16bit
1091	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
1092	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
1093	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
1094	do
1095	{
1096	// if the mode fits the filter applies report it
1097	if(
1098	(((lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)&&
1099	(ModesVoodoo[iMode].iXRes==lpDDSurfaceDesc2->dwWidth))\|\|
1100	(!(lpDDSurfaceDesc2->dwFlags & DDSD_WIDTH)))&&
1101	(((lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)&&
1102	(ModesVoodoo[iMode].iYRes==lpDDSurfaceDesc2->dwHeight))\|\|
1103	(!(lpDDSurfaceDesc2->dwFlags & DDSD_HEIGHT)))&&
1104	(((lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT) &&
1105	(ModesVoodoo[iMode].iBits==lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount))\|\|
1106	(!(lpDDSurfaceDesc2->dwFlags & DDSD_PIXELFORMAT)))
1107	)
1108	{
1109	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
1110	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
1111	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
1112
1113	fCallAgain = lpDDEnumModesCallback2(&DDSurfAct,lpContext);
1114	}
1115	iMode++;
1116	}
1117	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
1118
1119	}
1120
1121	}
1122	return(DD_OK);
1123	}
1124
1125	//******************************************************************************
1126	//******************************************************************************
1127	HRESULT WIN32API DrawEnumSurfaces(THIS, DWORD, LPDDSURFACEDESC, LPVOID,LPDDENUMSURFACESCALLBACK )
1128	{
1129	dprintf(("DDRAW: EnumSurfaces NIY\n"));
1130
1131	return(DD_OK);
1132	}
1133
1134	//******************************************************************************
1135	//******************************************************************************
1136	HRESULT WIN32API DrawEnumSurfaces4(THIS, DWORD, LPDDSURFACEDESC2, LPVOID,LPDDENUMSURFACESCALLBACK2 )
1137	{
1138	dprintf(("DDRAW: EnumSurfaces4 NIY\n"));
1139
1140	return(DD_OK);
1141	}
1142
1143	//******************************************************************************
1144	//******************************************************************************
1145	HRESULT WIN32API DrawFlipToGDISurface(THIS)
1146	{
1147	dprintf(("DDRAW: FlipToGDISurface NIY\n"));
1148
1149	return(DD_OK);
1150	}
1151
1152	//******************************************************************************
1153	//******************************************************************************
1154	HRESULT WIN32API DrawGetCaps(THIS This, LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDHELCaps)
1155	{
1156	DWORD dwSize;
1157	OS2IDirectDraw me = (OS2IDirectDraw )This;
1158
1159	dprintf(("DDRAW: DDGetCaps %x %x %x", This, lpDDDriverCaps, lpDDHELCaps));
1160
1161	if( (NULL==lpDDDriverCaps) && (NULL==lpDDHELCaps) )
1162	return(DDERR_INVALIDPARAMS);
1163
1164	if(NULL!=lpDDDriverCaps)
1165	{
1166	// Caller want Driver Caps
1167
1168	dprintf(("DDRAW: Driver\n"));
1169
1170	if( (sizeof(DDCAPS)!=lpDDDriverCaps->dwSize) &&
1171	(sizeof(DDCAPS_DX5)!=lpDDDriverCaps->dwSize) &&
1172	(sizeof(DDCAPS_DX3)!=lpDDDriverCaps->dwSize) )
1173	{
1174	dprintf( ("Size %d Not supported ",
1175	lpDDDriverCaps->dwSize));
1176	return(DDERR_INVALIDPARAMS);
1177	}
1178	// Clear structure so we only have to set the supported flags
1179
1180	dwSize = lpDDDriverCaps->dwSize;
1181	memset( lpDDDriverCaps,
1182	0,
1183	lpDDDriverCaps->dwSize);
1184
1185
1186	// Reset the size
1187	lpDDDriverCaps->dwSize = dwSize;
1188
1189	// Now report the CAPs back which we support
1190	lpDDDriverCaps->dwCaps = DDCAPS_BLT \| // We do blitting
1191	DDCAPS_BLTSTRETCH \|
1192	DDCAPS_BLTCOLORFILL \| // We do colorfills
1193	DDCAPS_BLTDEPTHFILL \|
1194	DDCAPS_COLORKEY \| // We support Colorkeying
1195	DDCAPS_COLORKEYHWASSIST \| // But we (may) use the CPU
1196	DDCAPS_GDI \| // Maybe check if we are on Voodoo ?
1197	DDCAPS_PALETTEVSYNC \| // Got VSync
1198	// DDCAPS_READSCANLINE \|
1199	DDCAPS_BLTFOURCC;
1200
1201	lpDDDriverCaps->dwCaps2 = DDCAPS2_CERTIFIED \| // Who cares so say yes
1202	DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1203	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1204	DDCAPS2_NONLOCALVIDMEM \| // All surfaces are in memory
1205	DDCAPS2_WIDESURFACES; // Any size you want!
1206
1207	lpDDDriverCaps->dwCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1208
1209	lpDDDriverCaps->dwFXCaps = DDFXCAPS_BLTMIRRORUPDOWN \|
1210	DDFXCAPS_BLTMIRRORLEFTRIGHT; // DIVE supports this, do we also ?
1211	// Maybe later add stretching support?
1212
1213	lpDDDriverCaps->dwPalCaps = DDPCAPS_8BIT \| // Only 8 Bits pals
1214	DDPCAPS_ALLOW256 \| // But all 256 colors
1215	DDPCAPS_VSYNC \| // Vsync yet
1216	DDPCAPS_PRIMARYSURFACE; //
1217	lpDDDriverCaps->dwVidMemTotal = me->dCaps.ulApertureSize; // total video memory
1218	lpDDDriverCaps->dwVidMemFree = me->dCaps.ulApertureSize; // total free video memory
1219	lpDDDriverCaps->dwNumFourCCCodes = MAX_FOURCC_CODES; // number of supported FOURCC codes
1220	/*
1221	ToDo: must finde out ow the array is used for this
1222	lpDDDriverCaps->dwRops[DD_ROP_SPACE] = SRCCOPY \|
1223	BLACKNESS \|
1224	WHITENESS; // Raster OPs implemented
1225	*/
1226	lpDDDriverCaps->dwSVBCaps = DDCAPS_BLT \| // We do blitting
1227	DDCAPS_BLTCOLORFILL \| // We do colorfills
1228	DDCAPS_COLORKEY \| // We support Colorkeying
1229	DDCAPS_COLORKEYHWASSIST;
1230	lpDDDriverCaps->dwSVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1231	lpDDDriverCaps->dwSVBFXCaps = DDCAPS_BLT \| // We do blitting
1232	DDCAPS_BLTCOLORFILL \| // We do colorfills
1233	DDCAPS_COLORKEY \| // We support Colorkeying
1234	DDCAPS_COLORKEYHWASSIST;
1235	/*
1236	ToDo: must finde out ow the array is used for this
1237	lpDDDriverCaps->dwSVBRops[DD_ROP_SPACE] = SRCCOPY \|
1238	BLACKNESS \|
1239	WHITENESS; // Raster OPs implemented
1240	*/
1241	lpDDDriverCaps->dwVSBCaps = DDCAPS_BLT \| // We do blitting
1242	DDCAPS_BLTCOLORFILL \| // We do colorfills
1243	DDCAPS_COLORKEY \| // We support Colorkeying
1244	DDCAPS_COLORKEYHWASSIST;
1245	lpDDDriverCaps->dwVSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1246	lpDDDriverCaps->dwVSBFXCaps = DDCAPS_BLT \| // We do blitting
1247	DDCAPS_BLTCOLORFILL \| // We do colorfills
1248	DDCAPS_COLORKEY \| // We support Colorkeying
1249	DDCAPS_COLORKEYHWASSIST;
1250	/*
1251	ToDo: must finde out ow the array is used for this
1252	lpDDDriverCaps->dwVSBRops[DD_ROP_SPACE] = SRCCOPY \|
1253	BLACKNESS \|
1254	WHITENESS; // Raster OPs implemented
1255	*/
1256	lpDDDriverCaps->dwSSBCaps = DDCAPS_BLT \| // We do blitting
1257	DDCAPS_BLTCOLORFILL \| // We do colorfills
1258	DDCAPS_COLORKEY \| // We support Colorkeying
1259	DDCAPS_COLORKEYHWASSIST;
1260	lpDDDriverCaps->dwSSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1261	lpDDDriverCaps->dwSSBFXCaps = DDCAPS_BLT \| // We do blitting
1262	DDCAPS_BLTCOLORFILL \| // We do colorfills
1263	DDCAPS_COLORKEY \| // We support Colorkeying
1264	DDCAPS_COLORKEYHWASSIST;
1265	/*
1266	ToDo: must finde out ow the array is used for this
1267	lpDDDriverCaps->dwSSBRops[SRCCOPY] = 1;
1268	lpDDDriverCaps->dwSSBRops[BLACKNESS] = 1;
1269	lpDDDriverCaps->dwSSBRops[WHITENESS] = 1; // Raster OPs implemented
1270	*/
1271	// These are ony in >DX5
1272	if(dwSize>sizeof(DDCAPS_DX3))
1273	{
1274	lpDDDriverCaps->dwSVBCaps2 = //DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1275	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1276	DDCAPS2_WIDESURFACES; // Any size you want!
1277	lpDDDriverCaps->dwNLVBCaps = DDCAPS_BLT \| // We do blitting
1278	DDCAPS_BLTCOLORFILL \| // We do colorfills
1279	DDCAPS_COLORKEY \| // We support Colorkeying
1280	DDCAPS_COLORKEYHWASSIST;
1281	lpDDDriverCaps->dwNLVBCaps2 = //DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1282	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1283	DDCAPS2_WIDESURFACES; // Any size you want!
1284	lpDDDriverCaps->dwNLVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1285	lpDDDriverCaps->dwNLVBFXCaps = DDCAPS_BLT \| // We do blitting
1286	DDCAPS_BLTCOLORFILL \| // We do colorfills
1287	DDCAPS_COLORKEY \| // We support Colorkeying
1288	DDCAPS_COLORKEYHWASSIST;
1289	lpDDDriverCaps->dwNLVBRops[DD_ROP_SPACE];// ToDo: Again the array ...
1290
1291	// General Surface caps only in DX6
1292	if(dwSize>sizeof(DDCAPS_DX5))
1293	{
1294	lpDDDriverCaps->ddsCaps.dwCaps = DDSCAPS_ALPHA \| DDSCAPS_BACKBUFFER \|
1295	DDSCAPS_COMPLEX \| DDSCAPS_FLIP \|
1296	DDSCAPS_FRONTBUFFER \| DDSCAPS_LOCALVIDMEM \|
1297	DDSCAPS_NONLOCALVIDMEM \| DDSCAPS_OFFSCREENPLAIN \|
1298	// DDSCAPS_OVERLAY \|
1299	DDSCAPS_PALETTE \| DDSCAPS_PRIMARYSURFACE \|
1300	DDSCAPS_SYSTEMMEMORY \|DDSCAPS_VIDEOMEMORY \|
1301	DDSCAPS_VISIBLE;
1302
1303	#ifdef USE_OPENGL
1304	lpDDDriverCaps->dwCaps \|= DDCAPS_3D \| DDCAPS_ZBLTS;
1305	// ToDO find and put the value for DDCAPS2_NO2DDURING3DSCENE in ddraw.h
1306	// lpDDDriverCaps->dwCaps2 \|= DDCAPS2_NO2DDURING3DSCENE;
1307	lpDDDriverCaps->ddsCaps.dwCaps \|= DDSCAPS_3DDEVICE \| DDSCAPS_MIPMAP \|
1308	DDSCAPS_TEXTURE \| DDSCAPS_ZBUFFER;
1309	#endif
1310	}
1311	}
1312
1313
1314	}
1315
1316	if(NULL!=lpDDHELCaps)
1317	{
1318	// Caller wants HEL Caps
1319	dprintf(("DDRAW: CHEL\n"));
1320
1321	//SvL: PowerDVD uses size 316
1322	if( (sizeof(DDCAPS) != lpDDHELCaps->dwSize) &&
1323	(sizeof(DDCAPS_DX5) != lpDDHELCaps->dwSize) &&
1324	(sizeof(DDCAPS_DX3) != lpDDHELCaps->dwSize) )
1325	{
1326	dprintf( ("Size %d Not supported ",
1327	lpDDHELCaps->dwSize));
1328	return(DDERR_INVALIDPARAMS);
1329	}
1330	// Clear structure so we only have to set the supported flags
1331
1332	dwSize = lpDDHELCaps->dwSize;
1333	memset( lpDDHELCaps,
1334	0,
1335	lpDDHELCaps->dwSize);
1336
1337	// Reset the size
1338	lpDDHELCaps->dwSize = dwSize;
1339
1340	// Now report the CAPs back which we support
1341	lpDDHELCaps->dwCaps = DDCAPS_BLT \| // We do blitting
1342	DDCAPS_BLTCOLORFILL \| // We do colorfills
1343	DDCAPS_COLORKEY \| // We support Colorkeying
1344	//SvL: This is the emulation layer; no hw support here
1345	// DDCAPS_COLORKEYHWASSIST \| // But we (may) use the CPU
1346	DDCAPS_GDI \| // Maybe check if we are on Voodoo ?
1347	DDCAPS_PALETTEVSYNC \| // Got VSync
1348	DDCAPS_BLTFOURCC;
1349
1350	lpDDHELCaps->dwCaps2 = DDCAPS2_CERTIFIED \| // Who cares so say yes
1351	DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1352	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1353	DDCAPS2_NONLOCALVIDMEM \| // All surfaces are in memory
1354	DDCAPS2_WIDESURFACES; // Any size you want!
1355
1356	lpDDHELCaps->dwCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1357
1358	lpDDHELCaps->dwFXCaps = DDFXCAPS_BLTMIRRORUPDOWN \|
1359	DDFXCAPS_BLTMIRRORLEFTRIGHT; // DIVE supports this, do we also ?
1360	// Maybe later add stretching support?
1361
1362	lpDDHELCaps->dwPalCaps = DDPCAPS_8BIT \| // Only 8 Bits pals
1363	DDPCAPS_ALLOW256 \| // But all 256 colors
1364	DDPCAPS_VSYNC \| // Vsync yet
1365	DDPCAPS_PRIMARYSURFACE;
1366
1367	//Video memory for emulation layer must be 0 (verified in NT)
1368	lpDDHELCaps->dwVidMemTotal = 0; // total video memory
1369	lpDDHELCaps->dwVidMemFree = 0; // total free video memory
1370
1371	lpDDHELCaps->dwNumFourCCCodes = MAX_FOURCC_CODES; // number of supported FOURCC codes
1372	lpDDHELCaps->dwRops[DD_ROP_SPACE]; // supported raster ops
1373	lpDDHELCaps->dwSVBCaps = DDCAPS_BLT \| // We do blitting
1374	DDCAPS_BLTCOLORFILL \| // We do colorfills
1375	DDCAPS_COLORKEY \| // We support Colorkeying
1376	DDCAPS_COLORKEYHWASSIST;
1377	lpDDHELCaps->dwSVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1378	lpDDHELCaps->dwSVBFXCaps; // .
1379	lpDDHELCaps->dwSVBRops[DD_ROP_SPACE]; // .
1380	lpDDHELCaps->dwVSBCaps = DDCAPS_BLT \| // We do blitting
1381	DDCAPS_BLTCOLORFILL \| // We do colorfills
1382	DDCAPS_COLORKEY \| // We support Colorkeying
1383	DDCAPS_COLORKEYHWASSIST;
1384	lpDDHELCaps->dwVSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1385	lpDDHELCaps->dwVSBFXCaps; // .
1386	lpDDHELCaps->dwVSBRops[DD_ROP_SPACE]; // .
1387	lpDDHELCaps->dwSSBCaps = DDCAPS_BLT \| // We do blitting
1388	DDCAPS_BLTCOLORFILL \| // We do colorfills
1389	DDCAPS_COLORKEY \| // We support Colorkeying
1390	DDCAPS_COLORKEYHWASSIST;
1391	lpDDHELCaps->dwSSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1392	lpDDHELCaps->dwSSBFXCaps; // .
1393	lpDDHELCaps->dwSSBRops[DD_ROP_SPACE]; // .
1394	// These are ony in >DX5
1395	if(dwSize>sizeof(DDCAPS_DX3))
1396	{
1397	lpDDHELCaps->dwSVBCaps2 = DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1398	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1399	DDCAPS2_WIDESURFACES; // Any size you want!
1400	lpDDHELCaps->dwNLVBCaps = DDCAPS_BLT \| // We do blitting
1401	DDCAPS_BLTCOLORFILL \| // We do colorfills
1402	DDCAPS_COLORKEY \| // We support Colorkeying
1403	DDCAPS_COLORKEYHWASSIST;
1404	lpDDHELCaps->dwNLVBCaps2 = DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1405	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1406	DDCAPS2_WIDESURFACES; // Any size you want!
1407	lpDDHELCaps->dwNLVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1408	lpDDHELCaps->dwNLVBFXCaps; // .
1409	lpDDHELCaps->dwNLVBRops[DD_ROP_SPACE];// .
1410	}
1411
1412	}
1413
1414	return(DD_OK);
1415	}
1416	//******************************************************************************
1417	//******************************************************************************
1418	HRESULT WIN32API DrawGetDisplayMode(THIS This, LPDDSURFACEDESC lpDDSurfaceDesc)
1419	{
1420	OS2IDirectDraw me = (OS2IDirectDraw )This;
1421
1422	dprintf(("DDRAW: GetDisplayMode %x %x", This, lpDDSurfaceDesc));
1423
1424	// Check Parameter
1425	if(NULL==lpDDSurfaceDesc)
1426	return(DDERR_INVALIDPARAMS);
1427
1428	if(sizeof(DDSURFACEDESC)!=lpDDSurfaceDesc->dwSize)
1429	return(DDERR_INVALIDPARAMS);
1430
1431	// We report back the DIVE caps. maybe we should set up a local DDSURFACEDESC
1432	// for the object so we can change the values when we switch modes (or say so)
1433	// as a program may use this function to check the values after a mode change
1434	// An other reason to to so is Voodoo supports maybe more functions
1435
1436	// Tell what we report
1437	lpDDSurfaceDesc->dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT;
1438	lpDDSurfaceDesc->dwHeight = me->dCaps.ulHorizontalResolution;
1439	lpDDSurfaceDesc->dwWidth = me->dCaps.ulVerticalResolution;
1440	// Set the PixelFormat
1441	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
1442
1443	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = me->dCaps.fccColorEncoding;
1444	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = me->dCaps.ulDepth;
1445	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBAlphaBitMask = 0; // No Alpha support
1446	switch(me->dCaps.ulDepth)
1447	{
1448	case 4:
1449	// Assume that no one will run OS/2 PM with less then 16 colors and try
1450	// to start a DirectX program ;)
1451	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED4;
1452	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0;
1453	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0;
1454	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0;
1455	break;
1456	case 8:
1457	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED8 \|
1458	DDPF_FOURCC;
1459	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0;
1460	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0;
1461	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0;
1462	break;
1463	case 15:
1464	case 16:
1465	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = 16; // No sure about 15Bit modes
1466	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1467	if (FOURCC_R555 == me->dCaps.fccColorEncoding)
1468	{
1469	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00007C00;
1470	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000003E0;
1471	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1472	}
1473	else
1474	{
1475	if(FOURCC_R565 == me->dCaps.fccColorEncoding)
1476	{
1477	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1478	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
1479	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1480	}
1481	else
1482	{
1483	// R664
1484	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1485	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000003F0;
1486	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000000F;
1487	}
1488	}
1489	break;
1490	case 24:
1491	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1492	if(FOURCC_RGB3 == me->dCaps.fccColorEncoding)
1493	{
1494	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1495	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1496	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1497	}
1498	else
1499	{
1500	// BGR3
1501	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1502	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1503	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1504	}
1505	break;
1506	case 32:
1507	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1508	if(FOURCC_RGB4 == me->dCaps.fccColorEncoding)
1509	{
1510	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1511	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1512	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1513	}
1514	else
1515	{
1516	// BGR4
1517	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1518	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1519	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1520	}
1521	break;
1522	default:
1523	dprintf(("DDRAW: Unsupported mode\n"));
1524	return(DDERR_UNSUPPORTEDMODE);
1525	}
1526
1527	return(DD_OK);
1528	}
1529	//******************************************************************************
1530	//******************************************************************************
1531	HRESULT WIN32API DrawGetDisplayMode4(THIS This, LPDDSURFACEDESC2 lpDDSurfaceDesc2)
1532	{
1533	OS2IDirectDraw me = (OS2IDirectDraw )This;
1534
1535	dprintf(("DDRAW: GetDisplayMode4 %x %x", This, lpDDSurfaceDesc2));
1536
1537	// Check Parameter
1538	if(NULL==lpDDSurfaceDesc2)
1539	return(DDERR_INVALIDPARAMS);
1540
1541	if(sizeof(DDSURFACEDESC)!=lpDDSurfaceDesc2->dwSize)
1542	return(DDERR_INVALIDPARAMS);
1543
1544	// We report back the DIVE caps. maybe we should set up a local DDSURFACEDESC
1545	// for the object so we can change the values when we switch modes (or say so)
1546	// as a program may use this function to check the values after a mode change
1547	// An other reason to to so is Voodoo supports maybe more functions
1548
1549	// Tell what we report
1550	lpDDSurfaceDesc2->dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT;
1551	lpDDSurfaceDesc2->dwHeight = me->dCaps.ulHorizontalResolution;
1552	lpDDSurfaceDesc2->dwWidth = me->dCaps.ulVerticalResolution;
1553	// Set the PixelFormat
1554	lpDDSurfaceDesc2->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
1555
1556	lpDDSurfaceDesc2->ddpfPixelFormat.dwFourCC = me->dCaps.fccColorEncoding;
1557	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount = me->dCaps.ulDepth;
1558	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBAlphaBitMask = 0; // No Alpha support
1559	switch(me->dCaps.ulDepth)
1560	{
1561	case 4:
1562	// Assume that no one will run OS/2 PM with less then 16 colors and try
1563	// to start a DirectX program ;)
1564	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED4;
1565	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0;
1566	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0;
1567	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0;
1568	break;
1569	case 8:
1570	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED8 \|
1571	DDPF_FOURCC;
1572	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0;
1573	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0;
1574	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0;
1575	break;
1576	case 15:
1577	case 16:
1578	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount = 16; // No sure about 15Bit modes
1579	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1580	if (FOURCC_R555 == me->dCaps.ulDepth)
1581	{
1582	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00007C00;
1583	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000003E0;
1584	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1585	}
1586	else
1587	{
1588	if(FOURCC_R565 == me->dCaps.fccColorEncoding)
1589	{
1590	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1591	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000007E0;
1592	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1593	}
1594	else
1595	{
1596	// R664
1597	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1598	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000003F0;
1599	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000000F;
1600	}
1601	}
1602	break;
1603	case 24:
1604	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1605	if(FOURCC_RGB3 == me->dCaps.fccColorEncoding)
1606	{
1607	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1608	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1609	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1610	}
1611	else
1612	{
1613	// BGR3
1614	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1615	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1616	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1617	}
1618	break;
1619	case 32:
1620	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1621	if(FOURCC_RGB4 == me->dCaps.fccColorEncoding)
1622	{
1623	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1624	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1625	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1626	}
1627	else
1628	{
1629	// BGR4
1630	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1631	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1632	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1633	}
1634	break;
1635	default:
1636	dprintf(("DDRAW: Unsupported mode\n"));
1637	return(DDERR_UNSUPPORTEDMODE);
1638	}
1639
1640	return(DD_OK);
1641	}
1642	//******************************************************************************
1643	//******************************************************************************
1644	HRESULT WIN32API DrawGetFourCCCodes(THIS This, LPDWORD lpNumCodes, LPDWORD lpCodes)
1645	{
1646	// DWORD dwFCC[MAX_FOURCC_CODES] = {FOURCC_LUT8,FOURCC_R565,FOURCC_RGB3,FOURCC_YUY2};
1647	DWORD dwFCC[MAX_FOURCC_CODES] = {FOURCC_LUT8,FOURCC_R565,FOURCC_R555,FOURCC_RGB3};
1648
1649	dprintf(("DDRAW: GetFourCCCodes %x %x %x", This, lpNumCodes, lpCodes));
1650
1651	if(NULL==lpNumCodes)
1652	return(DDERR_INVALIDPARAMS);
1653
1654	if(NULL==lpCodes)
1655	{
1656	*lpNumCodes = MAX_FOURCC_CODES; // LUT8, R565, RGB3 are the FourCC we support for now
1657	}
1658	else
1659	{
1660	for(int i=0;(i<MAX_FOURCC_CODES)&&(i<*lpNumCodes);i++)
1661	{
1662	*lpCodes = dwFCC[i];
1663	lpCodes++;
1664	}
1665	*lpNumCodes = MAX_FOURCC_CODES;
1666	}
1667	return(DD_OK);
1668	}
1669	//******************************************************************************
1670	//******************************************************************************
1671	HRESULT WIN32API DrawGetGDISurface(THIS, LPDIRECTDRAWSURFACE FAR *)
1672	{
1673	dprintf(("DDRAW: GetGDISurface NYI\n"));
1674
1675	return(DD_OK);
1676	}
1677	//******************************************************************************
1678	//******************************************************************************
1679	HRESULT WIN32API DrawGetGDISurface4(THIS, LPDIRECTDRAWSURFACE4 FAR *)
1680	{
1681	dprintf(("DDRAW: GetGDISurface NYI\n"));
1682
1683	return(DD_OK);
1684	}
1685	//******************************************************************************
1686	//******************************************************************************
1687	HRESULT WIN32API DrawGetMonitorFrequency(THIS This, LPDWORD lpdwFreq)
1688	{
1689	ULONG ulTime1, ulTime2;
1690	DWORD dwFlags = DDWAITVB_BLOCKBEGIN;
1691	dprintf(("DDRAW: GetMonitorFrequency\n"));
1692	if(NULL==lpdwFreq)
1693	return(DDERR_INVALIDPARAMS);
1694
1695
1696
1697	if(DD_OK==DrawWaitForVerticalBlank(This, dwFlags, 0))
1698	{
1699	ulTime1 = GetTickCount();
1700	// Timer has an accuracy of 4 ms so call it al least 4 times
1701	DrawWaitForVerticalBlank(This, dwFlags, 0);
1702	DrawWaitForVerticalBlank(This, dwFlags, 0);
1703	DrawWaitForVerticalBlank(This, dwFlags, 0);
1704	DrawWaitForVerticalBlank(This, dwFlags, 0);
1705	ulTime2 = GetTickCount();
1706	ulTime2 -= ulTime1;
1707	if(ulTime2) // paranoid check to avoid DIV0
1708	*lpdwFreq = 4000 / ulTime2;
1709	else
1710	*lpdwFreq = 70;
1711	}
1712	else
1713	{
1714	// Assume 70 Hz maybe better return DDERR_UNSUPPORTED if this function isn't mandatory
1715	*lpdwFreq = 70;
1716	}
1717
1718
1719
1720	return(DD_OK);
1721	}
1722	//******************************************************************************
1723	//******************************************************************************
1724	HRESULT WIN32API DrawGetScanLine(THIS, LPDWORD lpdwLine)
1725	{
1726	// BOOL bVertBlank;
1727	dprintf(("DDRAW: GetScanLine\n"));
1728	// ToDO find a way to get this position, so for now simply return DDERR_UNSUPPORTED
1729	// as we indicated in DDCAPS we don't support this.
1730
1731	return(DDERR_UNSUPPORTED);
1732
1733	//the following code could be used if we implement this
1734	/*
1735	if(NULL==lpdwLine)
1736	return(DDERR_INVALIDPARAMS);
1737	DrawGetVertcalBlackStatus(This,&bVertBlank);
1738	if(bVertBlank)
1739	return (DDERR_VERTICALBLANKINPROGRESS);
1740	*lpdwLine = GetLine(); // GetLine would be the function which gets us the line
1741	return(DD_OK);
1742	*/
1743	}
1744	//******************************************************************************
1745	//******************************************************************************
1746	HRESULT WIN32API DrawGetVerticalBlankStatus(THIS , LPBOOL lpbIsInVB)
1747	{
1748	// int rc;
1749	dprintf(("DDRAW: GetVerticalBlankStatus\n"));
1750	if(NULL==lpbIsInVB)
1751	return(DDERR_INVALIDPARAMS);
1752
1753	#if 0
1754	rc = io_init1();
1755
1756
1757	if(0==rc) // try to get IOPL for the thread
1758	{
1759	*lpbIsInVB = (c_inb1(0x3da)&0x08)!=0;
1760
1761	io_exit1(); // reset IOPL
1762
1763	return(DD_OK);
1764	}
1765	#else
1766	lpbIsInVB = ! (lpbIsInVB);
1767	#endif
1768	return(DDERR_UNSUPPORTED);
1769	}
1770	//******************************************************************************
1771	//******************************************************************************
1772	HRESULT WIN32API DrawInitialize(THIS, GUID FAR *)
1773	{
1774	dprintf(("DDRAW: Initialize\n"));
1775
1776	return(DD_OK);
1777	}
1778	//******************************************************************************
1779	//******************************************************************************
1780	HRESULT WIN32API DrawRestoreDisplayMode(THIS This)
1781	{
1782	OS2IDirectDraw me = (OS2IDirectDraw )This;
1783
1784	dprintf(("DDRAW: RestoreDisplayMode"));
1785
1786	// FSDDRAW additions
1787	ULONG ulModeInd;
1788	/* restore previous screen mode */
1789	if ((bUseFSDD) && (me->bInFullScreen))
1790	{
1791	SetSVGAMode(me->oldwidth, me->oldheight, me->oldbpp, 0xFF, &ulModeInd, NULL);
1792	RestorePM();
1793	/* restore DIVE caps entries */
1794	me->dCaps.ulScanLineBytes = me->oldscanlines;
1795	me->dCaps.ulHorizontalResolution = me->oldwidth;
1796	me->dCaps.ulVerticalResolution = me->oldheight;
1797	me->dCaps.ulDepth = me->oldbpp;
1798	}
1799
1800	return(DD_OK);
1801	}
1802	//******************************************************************************
1803	//******************************************************************************
1804	HRESULT WIN32API DrawSetCooperativeLevel(THIS This, HWND hwndClient, DWORD dwFlags)
1805	{
1806	OS2IDirectDraw me = (OS2IDirectDraw )This;
1807
1808	dprintf(("DDRAW: SetCooperativeLevel: hwnd %X, Flags %X\n", hwndClient, dwFlags));
1809	me->dwCoopMode = dwFlags;
1810	if(!(DDSCL_NORMAL & dwFlags))
1811	{
1812	// client window req. for all none DDSCL_NORMAL modes
1813	if(NULL==hwndClient)
1814	return(DDERR_INVALIDPARAMS);
1815	}
1816	me->hwndClient = hwndClient;
1817	#if 0
1818	OS2DDSubclassWindow(hwndClient);
1819	#endif
1820	return(DD_OK);
1821	}
1822	//******************************************************************************
1823	//Backwards compatibility, what's that??
1824	//******************************************************************************
1825	HRESULT WIN32API DrawSetDisplayMode2(THIS This, DWORD dwWidth, DWORD dwHeight,
1826	DWORD dwBPP, DWORD dwRefreshRate,
1827	DWORD dwFlags)
1828	{
1829	ULONG rc;
1830	OS2IDirectDraw me = (OS2IDirectDraw )This;
1831	SETUP_BLITTER sBlt;
1832
1833	dprintf(("DDRAW: SetDisplayMode2 to %dx%d with %d bits colors\n", dwWidth, dwHeight, dwBPP));
1834
1835	me->screenwidth = dwWidth;
1836	me->screenheight = dwHeight;
1837	me->screenbpp = dwBPP;
1838
1839	if(me->dwCoopMode & DDSCL_FULLSCREEN)
1840	{
1841	// FSDDRAW additions
1842	ULONG ulModeInd;
1843
1844	SetWindowPos(me->hwndClient, HWND_TOP,0,0,dwWidth,dwHeight,0);
1845	SetCursorPos(dwWidth / 2, dwHeight / 2);
1846
1847	if ((bUseFSDD) && (ModeInSVGAModeTable(dwWidth,dwHeight,dwBPP)))
1848	{
1849	KillPM();
1850
1851	rc = SetSVGAMode(dwWidth, dwHeight, dwBPP, 0xFF, &ulModeInd, NULL);
1852
1853	if (!rc) // When mode switched successfully
1854	{
1855	/* save old screen values */
1856	me->bInFullScreen=TRUE;
1857	me->oldwidth = me->dCaps.ulHorizontalResolution;
1858	me->oldheight = me->dCaps.ulVerticalResolution;
1859	me->oldscanlines = me->dCaps.ulScanLineBytes;
1860	me->oldbpp = me->dCaps.ulDepth;
1861
1862	/* now 'fix' some DIVE caps entries */
1863	me->dCaps.ulScanLineBytes = dwWidth * (dwBPP >> 3); /* FIX: use real value */
1864	me->dCaps.ulHorizontalResolution = dwWidth;
1865	me->dCaps.ulVerticalResolution = dwHeight;
1866	me->dCaps.ulDepth = dwBPP;
1867	}
1868	else
1869	// Display must be return to PM Session
1870	RestorePM();
1871	}
1872	}
1873
1874	memset(&sBlt,0,sizeof(sBlt));
1875	sBlt.ulStructLen = sizeof(sBlt);
1876	sBlt.fccSrcColorFormat = FOURCC_SCRN;
1877	sBlt.ulSrcWidth = dwWidth;
1878	sBlt.ulSrcHeight = dwHeight;
1879	sBlt.ulSrcPosX = 0;
1880	sBlt.ulSrcPosY = 0;
1881	sBlt.fccDstColorFormat = FOURCC_SCRN;
1882	sBlt.ulDstWidth = dwWidth;
1883	sBlt.ulDstHeight = dwHeight;
1884	sBlt.lDstPosX = 0;
1885	sBlt.lDstPosY = 0;
1886	sBlt.lScreenPosX = 0;
1887	sBlt.lScreenPosY = me->dCaps.ulVerticalResolution-dwHeight;
1888	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1889
1890	rc = DiveSetupBlitter( me->hDive,
1891	&sBlt);
1892	dprintf((" DiveSetupBlitter rc=%d",rc));
1893
1894	return(DD_OK);
1895	}
1896	//******************************************************************************
1897	//******************************************************************************
1898	HRESULT WIN32API DrawSetDisplayMode(THIS This, DWORD dwWidth, DWORD dwHeight,
1899	DWORD dwBPP)
1900	{
1901	ULONG rc;
1902	OS2IDirectDraw me = (OS2IDirectDraw )This;
1903	SETUP_BLITTER sBlt;
1904
1905	dprintf(("DDRAW: SetDisplayMode to %dx%d with %d bits colors\n", dwWidth, dwHeight, dwBPP));
1906
1907	me->screenwidth = dwWidth;
1908	me->screenheight = dwHeight;
1909	me->screenbpp = dwBPP;
1910
1911	if(me->dwCoopMode & DDSCL_FULLSCREEN)
1912	{
1913	// FSDDRAW additions
1914	ULONG ulModeInd;
1915
1916	SetWindowPos(me->hwndClient, HWND_TOP,0,0,dwWidth,dwHeight,0);
1917	SetCursorPos(dwWidth / 2, dwHeight / 2);
1918
1919	if ((bUseFSDD) && (ModeInSVGAModeTable(dwWidth,dwHeight,dwBPP)))
1920	{
1921	KillPM();
1922
1923	rc = SetSVGAMode(dwWidth, dwHeight, dwBPP, 0xFF, &ulModeInd, NULL);
1924
1925	if (!rc) // When mode switched successfully
1926	{
1927	/* save old screen values */
1928	me->bInFullScreen=TRUE;
1929	me->oldwidth = me->dCaps.ulHorizontalResolution;
1930	me->oldheight = me->dCaps.ulVerticalResolution;
1931	me->oldscanlines = me->dCaps.ulScanLineBytes;
1932	me->oldbpp = me->dCaps.ulDepth;
1933
1934	/* now 'fix' some DIVE caps entries */
1935	me->dCaps.ulScanLineBytes = dwWidth * (dwBPP >> 3); /* FIX: use real value */
1936	me->dCaps.ulHorizontalResolution = dwWidth;
1937	me->dCaps.ulVerticalResolution = dwHeight;
1938	me->dCaps.ulDepth = dwBPP;
1939	}
1940	else
1941	// Display must be return to PM Session
1942	RestorePM();
1943	}
1944	}
1945
1946	memset(&sBlt,0,sizeof(sBlt));
1947	sBlt.ulStructLen = sizeof(sBlt);
1948	sBlt.fccSrcColorFormat = FOURCC_SCRN;
1949	sBlt.ulSrcWidth = dwWidth;
1950	sBlt.ulSrcHeight = dwHeight;
1951	sBlt.ulSrcPosX = 0;
1952	sBlt.ulSrcPosY = 0;
1953	sBlt.fccDstColorFormat = FOURCC_SCRN;
1954	sBlt.ulDstWidth = dwWidth;
1955	sBlt.ulDstHeight = dwHeight;
1956	sBlt.lDstPosX = 0;
1957	sBlt.lDstPosY = 0;
1958	sBlt.lScreenPosX = 0;
1959	sBlt.lScreenPosY = me->dCaps.ulVerticalResolution-dwHeight;
1960	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1961
1962	rc = DiveSetupBlitter( me->hDive,
1963	&sBlt);
1964	dprintf((" DiveSetupBlitter rc=%d",rc));
1965
1966	return(DD_OK);
1967	}
1968	//******************************************************************************
1969	//******************************************************************************
1970	HRESULT WIN32API DrawWaitForVerticalBlank(THIS, DWORD dwFlags, HANDLE hEvent)
1971	{
1972	// HRESULT rc;
1973	// int rci;
1974	// USHORT sel;
1975	dprintf(("DDRAW: WaitForVerticalBlank\n"));
1976
1977	if(DDWAITVB_BLOCKBEGINEVENT == dwFlags) // This parameter isn't support in DX
1978	return (DDERR_UNSUPPORTED);
1979
1980	return DD_OK;
1981
1982	#if 0
1983	rci = InitIO();
1984
1985	if(rci) // try to get IOPL for the thread
1986	{
1987	dprintf(("DDRAW: No IOPL\n"));
1988	return (DDERR_UNSUPPORTED); // we failed so return error that we don't support this
1989	}
1990	// AT this point we should have IOPL so lets use it!
1991	dprintf(("DDRAW: IOPL 3!\n"));
1992
1993	rc = DDERR_INVALIDPARAMS; // set returnvalue to fail
1994
1995	if(DDWAITVB_BLOCKBEGIN == dwFlags)
1996	{
1997	dprintf(("DDRAW: BLOCKBEGIN\n"));
1998
1999	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of vert. retrace if one is running
2000	while ((c_inb1(0x3da)&0x08)==0); // Wait for new start of retrace
2001	rc = DD_OK;
2002	}
2003
2004	if(DDWAITVB_BLOCKEND == dwFlags)
2005	{
2006	dprintf(("DDRAW: BLOCKEND\n"));
2007	rc = DD_OK;
2008	if((c_inb1(0x3da)&0x08)!=0) // Are we in a vert. retrace
2009	{
2010	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of retrace
2011	}
2012	else
2013	{
2014	while ((c_inb1(0x3da)&0x08)==0); // Wait for new start of retrace
2015	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of vert. retrace
2016	}
2017
2018	}
2019
2020
2021	// io_exit1();
2022
2023
2024	return (rc);
2025	#endif
2026	}
2027
2028	//******************************************************************************
2029	//* Added in the v2 interface *
2030	//******************************************************************************
2031	HRESULT WIN32API DrawGetAvailableVidMem(THIS, LPDDSCAPS lpDDSCaps,
2032	LPDWORD lpdwTotal, LPDWORD lpdwFree)
2033	{
2034	dprintf(("DDRAW: GetAvailableVidMem\n"));
2035
2036	// Check parameters
2037	if(NULL==lpDDSCaps)
2038	return(DDERR_INVALIDPARAMS);
2039
2040	if((NULL==lpdwTotal)&&(NULL==lpdwFree))
2041	return(DDERR_INVALIDPARAMS);
2042
2043	if(NULL!=lpdwTotal)
2044	lpdwTotal = 2048 1024;
2045
2046	if(NULL!=lpdwFree)
2047	lpdwFree = 2048 1024;
2048
2049	return(DD_OK);
2050	}
2051	//******************************************************************************
2052	//
2053	//******************************************************************************
2054	HRESULT WIN32API DrawGetAvailableVidMem4(THIS, LPDDSCAPS2 lpDDSCaps2,
2055	LPDWORD lpdwTotal, LPDWORD lpdwFree)
2056	{
2057	dprintf(("DDRAW: GetAvailableVidMem\n"));
2058
2059	// Check parameters
2060	if(NULL==lpDDSCaps2)
2061	return(DDERR_INVALIDPARAMS);
2062
2063	if((NULL==lpdwTotal)&&(NULL==lpdwFree))
2064	return(DDERR_INVALIDPARAMS);
2065
2066	if(NULL!=lpdwTotal)
2067	lpdwTotal = 2048 1024;
2068
2069	if(NULL!=lpdwFree)
2070	lpdwFree = 2048 1024;
2071
2072	return(DD_OK);
2073	}
2074	//******************************************************************************
2075	//* Added in the v4 interface *
2076	//******************************************************************************
2077	HRESULT WIN32API DrawGetSurfaceFromDC(THIS, HDC hdc, LPDIRECTDRAWSURFACE4 *)
2078	{
2079	dprintf(("DDRAW: GetSurfaceFromDC NYI\n"));
2080
2081	return(DD_OK);
2082	}
2083	//******************************************************************************
2084	//******************************************************************************
2085	HRESULT WIN32API DrawRestoreAllSurfaces(THIS)
2086	{
2087	dprintf(("DDRAW: RestoreAllSurfaces\n"));
2088
2089	return(DD_OK);
2090	}
2091	//******************************************************************************
2092	//******************************************************************************
2093	HRESULT WIN32API DrawTestCooperativeLevel(THIS)
2094	{
2095	dprintf(("DDRAW: TestCooperativeLevel\n"));
2096
2097	return(DD_OK);
2098	}
2099	//******************************************************************************
2100	//******************************************************************************
2101	HRESULT WIN32API DrawGetDeviceIdentifier( THIS, LPDDDEVICEIDENTIFIER lpdddi,
2102	DWORD dwFlags)
2103	{
2104	dprintf(("DDRAW: GetDeviceIdentifier Flags = %d\n",dwFlags));
2105	if(NULL==lpdddi)
2106	return DDERR_INVALIDPARAMS;
2107
2108
2109
2110	memset( lpdddi,
2111	0,
2112	sizeof(DDDEVICEIDENTIFIER));
2113	// ToDo: Cretae a GUID and put some better data inside
2114	strcpy( lpdddi->szDriver,
2115	"OS/2 DIVE Driver");
2116	strcpy( lpdddi->szDescription,
2117	"ODIN DD Emulation Driver");
2118
2119
2120
2121	return(DD_OK);
2122	}
2123	//******************************************************************************
2124	//******************************************************************************
2125	VOID OS2IDirectDraw::SwitchDisplay(HWND hwnd)
2126	{
2127	DWORD dwVType, dwVSize;
2128	HKEY hkDirectDraw2;
2129
2130
2131
2132	if (bScale)
2133	{
2134	if (ERROR_SUCCESS==RegOpenKeyA(HKEY_LOCAL_MACHINE,KEY_DIRECT2DRAW,&hkDirectDraw2))
2135	{
2136	dwVSize = 4;
2137	dwVType = REG_DWORD;
2138	if (ERROR_SUCCESS!=RegQueryValueExA( hkDirectDraw2, "Fullscreen", NULL, &dwVType,
2139	(LPBYTE)&bScale, &dwVSize))
2140	bScale = FALSE;
2141	}
2142	else
2143	bScale = FALSE;
2144	}
2145
2146
2147	}
2148	//******************************************************************************
2149	//******************************************************************************
2150

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