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OS2DDRAW.CPP@ 1746

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Last change on this file since 1746 was 1746, checked in by hugh, 26 years ago
Fixes to let RA run
File size: 61.1 KB

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1	#include <stdlib.h>
2	#include <string.h>
3	#include <memory.h>
4
5	#define INITGUID
6	#include "os2ddraw.h"
7	#include "os2clipper.h"
8	#include "os2palette.h"
9	#include "os2surface.h"
10	#define _OS2WIN_H
11	#define FAR
12	#include <misc.h>
13	#include <string.h>
14	#include <winreg.h>
15	#include <winuser.h>
16	#include <winerror.h>
17	#include <builtin.h>
18	#include "cio2.h"
19	#include "os2util.h"
20	// include with the videomodes we support
21	// better would be to get these modes from the card
22	// But for now we use standard VESA 2.0 modes with 70Hz
23	#include "os2ddrawmodes.h"
24	#include "os2DDWindow.h"
25	#include "os2palset.h"
26
27	#define KEY_DIRECT2 "\\Software\\Win32OS2\\Direct2"
28	#define KEY_DIRECT2DRAW "\\Software\\Win32OS2\\Direct2\\Draw"
29
30	FOURCC SupportedFourCCs[] = {FOURCC_SCRN,FOURCC_LUT8,FOURCC_R565,FOURCC_RGB3,FOURCC_RGB4};
31	//******************************************************************************
32	//******************************************************************************
33	OS2IDirectDraw::OS2IDirectDraw(GUID *lpGUID) :
34	Referenced(0), lastError(DD_OK),
35	pFrameBuffer(NULL), hwndClient(0), screenwidth(640),
36	screenheight(480), screenbpp(8),PrimaryExists(FALSE),pPrimSurf(NULL)
37
38	{
39	HKEY hkDirectDraw2;
40	DWORD dwVSize, dwVType;
41	ULONG rc;
42	FOURCC fccModes[100];
43
44	// Setup table for 3d devices
45	Vtbl3D.AddRef = D3DAddRef;
46	Vtbl3D.Release = D3DRelease;
47	Vtbl3D.QueryInterface = D3DQueryInterface;
48	Vtbl3D.Initialize = D3DInitialize;
49	Vtbl3D.EnumDevices = D3DEnumDevices;
50	Vtbl3D.CreateLight = D3DCreateLight;
51	Vtbl3D.CreateMaterial = D3DCreateMaterial;
52	Vtbl3D.CreateViewport = D3DCreateViewport;
53	Vtbl3D.FindDevice = D3DFindDevice;
54
55	// old V2 Interface
56	Vtbl.AddRef = DrawAddRef;
57	Vtbl.Release = DrawRelease;
58	Vtbl.QueryInterface = DrawQueryInterface;
59	Vtbl.Compact = DrawCompact;
60	Vtbl.CreateClipper = DrawCreateClipper;
61	Vtbl.CreatePalette = DrawCreatePalette;
62	Vtbl.CreateSurface = DrawCreateSurface;
63	Vtbl.DuplicateSurface = DrawDuplicateSurface;
64	Vtbl.EnumDisplayModes = DrawEnumDisplayModes;
65	Vtbl.EnumSurfaces = DrawEnumSurfaces;
66	Vtbl.FlipToGDISurface = DrawFlipToGDISurface;
67	Vtbl.GetCaps = DrawGetCaps;
68	Vtbl.GetDisplayMode = DrawGetDisplayMode;
69	Vtbl.GetFourCCCodes = DrawGetFourCCCodes;
70	Vtbl.GetGDISurface = DrawGetGDISurface;
71	Vtbl.GetMonitorFrequency = DrawGetMonitorFrequency;
72	Vtbl.GetScanLine = DrawGetScanLine;
73	Vtbl.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
74	Vtbl.Initialize = DrawInitialize;
75	Vtbl.RestoreDisplayMode = DrawRestoreDisplayMode;
76	Vtbl.SetCooperativeLevel = DrawSetCooperativeLevel;
77	if(lpGUID && *lpGUID == IID_IDirectDraw2)
78	(ULONG )&Vtbl.SetDisplayMode = (ULONG)DrawSetDisplayMode2;
79	else
80	(ULONG )&Vtbl.SetDisplayMode = (ULONG)DrawSetDisplayMode;
81	Vtbl.WaitForVerticalBlank = DrawWaitForVerticalBlank;
82	Vtbl.GetAvailableVidMem = DrawGetAvailableVidMem;
83
84	// New V4 interface
85	Vtbl4.AddRef = DrawAddRef; // todo change to a DrawAddRef4 as handling this has changed
86	Vtbl4.Release = DrawRelease; // see above
87	Vtbl4.QueryInterface = DrawQueryInterface;
88	Vtbl4.Compact = DrawCompact;
89	Vtbl4.CreateClipper = DrawCreateClipper;
90	Vtbl4.CreateSurface = DrawCreateSurface4;//
91	Vtbl4.DuplicateSurface = DrawDuplicateSurface4;//
92	Vtbl4.EnumDisplayModes = DrawEnumDisplayModes4;//
93	Vtbl4.EnumSurfaces = DrawEnumSurfaces4; //
94	Vtbl4.FlipToGDISurface = DrawFlipToGDISurface;
95	Vtbl4.GetCaps = DrawGetCaps;
96	Vtbl4.GetDisplayMode = DrawGetDisplayMode4;//
97	Vtbl4.GetFourCCCodes = DrawGetFourCCCodes;
98	Vtbl4.GetGDISurface = DrawGetGDISurface4;//
99	Vtbl4.GetMonitorFrequency = DrawGetMonitorFrequency;
100	Vtbl4.GetScanLine = DrawGetScanLine;
101	Vtbl4.GetVerticalBlankStatus = DrawGetVerticalBlankStatus;
102	Vtbl4.Initialize = DrawInitialize;
103	Vtbl4.RestoreDisplayMode = DrawRestoreDisplayMode;
104	Vtbl4.SetCooperativeLevel = DrawSetCooperativeLevel;
105	Vtbl4.SetDisplayMode = DrawSetDisplayMode2;
106	Vtbl4.WaitForVerticalBlank = DrawWaitForVerticalBlank;
107	Vtbl4.GetAvailableVidMem = DrawGetAvailableVidMem4;
108	Vtbl4.GetSurfaceFromDC = DrawGetSurfaceFromDC;
109	Vtbl4.RestoreAllSurfaces = DrawRestoreAllSurfaces;
110	Vtbl4.TestCooperativeLevel = DrawTestCooperativeLevel;
111	Vtbl4.GetDeviceIdentifier = DrawGetDeviceIdentifier;
112
113	if(lpGUID && *lpGUID == IID_IDirect3D)
114	{
115	dprintf(("DDRAW: D3D Interface\n"));
116
117	lpVtbl = (IDirectDraw4Vtbl *)&Vtbl3D;
118	}
119	else
120	{
121	if(lpGUID && *lpGUID == IID_IDirectDraw4)
122	{
123	dprintf(("DDRAW: V4 Interface\n"));
124	lpVtbl = &Vtbl4;
125	}
126	else
127	{
128	dprintf(("DDRAW: <V4 Interface\n"));
129	lpVtbl = (IDirectDraw4Vtbl *) &Vtbl;
130	}
131	}
132
133	lpVtbl2 = lpVtbl;
134
135	pdwUnknownData = (DWORD) malloc (255sizeof(DWORD));
136	for(int i= 0 ;i<255;i++)
137	pdwUnknownData[i] = 0;
138
139	rc = DiveOpen( &hDive,
140	FALSE,
141	&pFrameBuffer);
142	if(rc)
143	{
144	dprintf(("DDRAW: ERROR: DiveOpen returned %d\n", rc));
145	lastError = DDERR_GENERIC;
146	hDive = NULL;
147	}
148	else
149	{
150	dprintf(("DDRAW: DiveOpen OK Framebuufer at 0x%08X\n",pFrameBuffer));
151	}
152	memset( &dCaps,
153	0,
154	sizeof(DIVE_CAPS) );
155	dCaps.ulStructLen = sizeof(DIVE_CAPS);
156	dCaps.ulFormatLength = 100;
157	dCaps.pFormatData = &fccModes[0];
158
159	rc = DiveQueryCaps( &dCaps,
160	DIVE_BUFFER_SCREEN);
161
162	dprintf(("DDRAW: DiveQueryCaps rc=0x%08X\n",rc));
163
164	pdwUnknownData[235] = dCaps.ulHorizontalResolution;
165	pdwUnknownData[236] = dCaps.ulVerticalResolution;
166	pdwUnknownData[241] = dCaps.ulDepth;
167
168	// Shall we run in FS mode ?
169	if(ERROR_SUCCESS==RegOpenKeyA(HKEY_LOCAL_MACHINE,KEY_DIRECT2DRAW,&hkDirectDraw2))
170	{
171	dwVSize = 4;
172	dwVType = REG_DWORD;
173	if(ERROR_SUCCESS!=RegQueryValueExA(hkDirectDraw2,"Fullscreen",NULL,&dwVType,(LPBYTE)&bScale,&dwVSize))
174	bScale = FALSE;
175	}
176	else
177	bScale = FALSE;
178
179	rc = InitIO();
180
181	if(rc) // try to get IOPL for the thread
182	{
183	dprintf(("DDRAW: No IOPL\n"));
184	}
185	else
186	{
187	dprintf(("DDRAW: IOPL 3!\n"));
188	}
189	}
190	//******************************************************************************
191	//******************************************************************************
192	OS2IDirectDraw::~OS2IDirectDraw()
193	{
194	dprintf(("DDRAW: OS2IDirectDraw::~OS2IDirectDraw()\n"));
195	if(hDive)
196	DiveClose(hDive);
197
198	// Safty call in case the program did set the pal to all black
199	// so if the destructor gets called we might be able change this back
200	OS2ResetPhysPalette();
201	}
202	//******************************************************************************
203	//******************************************************************************
204	FOURCC OS2IDirectDraw::GetScreenFourCC()
205	{
206	return SupportedFourCCs[screenbpp>>3];
207	}
208	//******************************************************************************
209	//******************************************************************************
210	HRESULT __stdcall DrawQueryInterface(THIS This, REFIID riid, LPVOID FAR * ppvObj)
211	{
212	OS2IDirectDraw me = (OS2IDirectDraw )This;
213	#ifdef DEBUG
214	dprintf(("DDRAW: OS2IDirectDraw::QueryInterface\n"));
215	#endif
216
217	*ppvObj = NULL;
218
219	if(!IsEqualGUID(riid, CLSID_DirectDraw) &&
220	!IsEqualGUID(riid, IID_IDirectDraw) &&
221	!IsEqualGUID(riid, IID_IDirectDraw2) &&
222	!IsEqualGUID(riid, IID_IDirectDraw4))
223	//&& !IsEqualGUID(riid, IID_IUnknown))
224	return E_NOINTERFACE;
225
226	// ToDo Better way of returning differnent intterfaces for same class
227
228	if(IsEqualGUID(riid, IID_IDirectDraw4))
229	{
230	dprintf(("DDRAW: IID_IDirectDraw4 Interface\n"));
231	me->lpVtbl = &me->Vtbl4;
232	}
233	else
234	{
235	dprintf(("DDRAW: No IID_IDirectDraw4 Interface\n"));
236	me->lpVtbl = (IDirectDraw4Vtbl *) &me->Vtbl;
237	}
238	*ppvObj = This;
239	DrawAddRef(This);
240
241	return(DD_OK);
242	}
243	//******************************************************************************
244	//******************************************************************************
245	ULONG __stdcall DrawAddRef(THIS This)
246	{
247	OS2IDirectDraw me = (OS2IDirectDraw )This;
248
249	#ifdef DEBUG
250	dprintf(("DDRAW: OS2IDirectDraw::AddRef %d\n", me->Referenced+1));
251	#endif
252
253	return ++me->Referenced;
254	}
255	//******************************************************************************
256	//******************************************************************************
257	ULONG __stdcall DrawRelease(THIS This)
258	{
259	OS2IDirectDraw me = (OS2IDirectDraw )This;
260	ULONG rc;
261
262	#ifdef DEBUG
263	dprintf(("DDRAW: OS2IDirectDraw::Release %d\n", me->Referenced-1));
264	dprintf(("DDRAW: OS2IDirectDraw::%X \n", me));
265	#endif
266
267	if(me->Referenced)
268	{
269
270	me->Referenced--;
271	if(me->Referenced == 0)
272	{
273	delete(me);
274	rc = 0;
275	}
276	else
277	rc = me->Referenced;
278	}
279	else
280	rc = 0;
281
282	return rc;
283	}
284	//******************************************************************************
285	//******************************************************************************
286	HRESULT __stdcall DrawCompact(THIS)
287	{
288	#ifdef DEBUG
289	dprintf(("DDRAW: Compact\n"));
290	#endif
291
292	return(DD_OK);
293	}
294	//******************************************************************************
295	//******************************************************************************
296	HRESULT __stdcall DrawCreateClipper(THIS This, DWORD, LPDIRECTDRAWCLIPPER FAR lplpDD, IUnknown FAR )
297	{
298	OS2IDirectDraw me = (OS2IDirectDraw )This;
299	OS2IDirectDrawClipper *newclip;
300	HRESULT rc;
301
302	newclip = new OS2IDirectDrawClipper(me);
303
304	#ifdef DEBUG
305	dprintf(("DDRAW: CreateClipper\n"));
306	#endif
307
308	if(newclip == NULL)
309	{
310	rc = DDERR_OUTOFMEMORY;
311	}
312	else
313	{
314	newclip->Vtbl.AddRef((IDirectDrawClipper *)newclip);
315	rc = newclip->GetLastError();
316	if(rc != DD_OK)
317	{
318	*lplpDD = NULL;
319	delete newclip;
320	}
321	else
322	lplpDD = (IDirectDrawClipper )newclip;
323	}
324
325	return(rc);
326	}
327	//******************************************************************************
328	//******************************************************************************
329	HRESULT __stdcall DrawCreatePalette(THIS This, DWORD dwFlags,
330	LPPALETTEENTRY lpColorTable,
331	LPDIRECTDRAWPALETTE FAR *lplpDD,
332	IUnknown FAR *pUnkOuter)
333	{
334	OS2IDirectDraw me = (OS2IDirectDraw )This;
335	OS2IDirectDrawPalette *newpal;
336	HRESULT rc = DD_OK;
337	int palsize = 0;
338
339	if(dwFlags & DDPCAPS_8BITENTRIES)
340	{
341	// We Don't support Indexed palettes...
342
343	rc = DDERR_INVALIDPARAMS;
344	}
345
346	if(dwFlags & DDPCAPS_2BIT)
347	palsize = 4;
348	if(dwFlags & DDPCAPS_4BIT)
349	palsize = 16;
350	if(dwFlags & DDPCAPS_8BIT)
351	palsize = 256;
352	if(dwFlags & DDPCAPS_ALLOW256)
353	palsize = 256;
354
355	if(palsize == 0)
356	rc = DDERR_INVALIDPARAMS;
357
358	if(DD_OK == rc)
359	{
360	#ifdef DEBUG
361	dprintf(("DDRAW: CreatePalette with %d colors\n", palsize));
362	#endif
363
364	newpal = new OS2IDirectDrawPalette((VOID*)me, palsize, lpColorTable, dwFlags);
365
366	if(newpal == NULL)
367	{
368	rc = DDERR_OUTOFMEMORY;
369	}
370	else
371	{
372	newpal->Vtbl.AddRef((IDirectDrawPalette *)newpal);
373	rc = newpal->GetLastError();
374
375	if(DD_OK != rc)
376	{
377	*lplpDD = NULL;
378	delete newpal;
379	}
380	else
381	lplpDD = (IDirectDrawPalette )newpal;
382	}
383	}
384
385	return(rc);
386	}
387	//******************************************************************************
388	//******************************************************************************
389	HRESULT __stdcall DrawCreateSurface(THIS This, LPDDSURFACEDESC lpDDSurfaceDesc,
390	LPDIRECTDRAWSURFACE FAR *lplpDD,
391	IUnknown FAR *pUnkOuter)
392	{
393	OS2IDirectDraw me = (OS2IDirectDraw )This;
394	OS2IDirectDrawSurface *newsurf;
395	HRESULT rc;
396
397	#ifdef DEBUG
398	dprintf(("DDRAW: CreateSurface\n"));
399	dprintf(("DDRAW: dwSize %d\n", lpDDSurfaceDesc->dwSize));
400	dprintf(("DDRAW: dwFlags %X\n", lpDDSurfaceDesc->dwFlags));
401	dprintf(("DDRAW: dwHeight %d\n", lpDDSurfaceDesc->dwHeight));
402	dprintf(("DDRAW: dwWidth %d\n", lpDDSurfaceDesc->dwWidth));
403	dprintf(("DDRAW: lPitch %d\n", lpDDSurfaceDesc->lPitch));
404	dprintf(("DDRAW: dwBackBufferCount %d\n", lpDDSurfaceDesc->dwBackBufferCount));
405	dprintf(("DDRAW: dwMipMapCount %d\n", lpDDSurfaceDesc->dwMipMapCount));
406	dprintf(("DDRAW: dwAlphaBitDepth %d\n", lpDDSurfaceDesc->dwAlphaBitDepth));
407	dprintf(("DDRAW: ddsCaps.dwCaps %X\n", lpDDSurfaceDesc->ddsCaps.dwCaps));
408	#endif
409
410	newsurf = new OS2IDirectDrawSurface(me, (LPDDSURFACEDESC2)lpDDSurfaceDesc);
411	if(newsurf == NULL)
412	{
413	rc = DDERR_OUTOFMEMORY;
414	}
415	else
416	{
417	newsurf->Vtbl.AddRef((IDirectDrawSurface *)newsurf);
418	rc = newsurf->GetLastError();
419	if(rc != DD_OK)
420	{
421	dprintf(("DDRAW: Error createing Surface\n\n"));
422	*lplpDD = NULL;
423	delete newsurf;
424	}
425	else
426	lplpDD = (IDirectDrawSurface )newsurf;
427
428	dprintf(("DDRAW: New Surface created at %08X\n\n", newsurf));
429	}
430
431	return(rc);
432	}
433	//******************************************************************************
434	//******************************************************************************
435	HRESULT __stdcall DrawCreateSurface4(THIS This, LPDDSURFACEDESC2 lpDDSurfaceDesc2,
436	LPDIRECTDRAWSURFACE4 FAR *lplpDD,
437	IUnknown FAR *pUnkOuter)
438	{
439	OS2IDirectDraw me = (OS2IDirectDraw )This;
440	OS2IDirectDrawSurface *newsurf;
441	HRESULT rc;
442
443	#ifdef DEBUG
444	dprintf(("DDRAW: CreateSurface4\n"));
445	dprintf(("DDRAW: dwSize %d\n", lpDDSurfaceDesc2->dwSize));
446	dprintf(("DDRAW: dwHeight %d\n", lpDDSurfaceDesc2->dwHeight));
447	dprintf(("DDRAW: dwWidth %d\n", lpDDSurfaceDesc2->dwWidth));
448	dprintf(("DDRAW: lPitch %d\n", lpDDSurfaceDesc2->lPitch));
449	dprintf(("DDRAW: dwBackBufferCount %d\n", lpDDSurfaceDesc2->dwBackBufferCount));
450	dprintf(("DDRAW: dwMipMapCount %d\n", lpDDSurfaceDesc2->dwMipMapCount));
451	dprintf(("DDRAW: dwAlphaBitDepth %d\n", lpDDSurfaceDesc2->dwAlphaBitDepth));
452	dprintf(("DDRAW: ddsCaps.dwCaps %X\n", lpDDSurfaceDesc2->ddsCaps.dwCaps));
453	#endif
454
455	newsurf = new OS2IDirectDrawSurface(me, lpDDSurfaceDesc2);
456
457	if(newsurf == NULL)
458	{
459	rc = DDERR_OUTOFMEMORY;
460	}
461	else
462	{
463	newsurf->Vtbl.AddRef((IDirectDrawSurface *)newsurf);
464	rc = newsurf->GetLastError();
465	if(rc != DD_OK)
466	{
467	dprintf(("DDRAW: Error createing Surface\n\n"));
468	*lplpDD = NULL;
469
470	delete newsurf;
471	}
472	else
473	lplpDD = (IDirectDrawSurface4 )newsurf;
474
475	dprintf(("DDRAW: New Surface created at %08X\n\n", newsurf));
476	}
477
478	return(rc);
479	}
480	//******************************************************************************
481	//******************************************************************************
482	HRESULT __stdcall DrawDuplicateSurface(THIS, LPDIRECTDRAWSURFACE, LPDIRECTDRAWSURFACE FAR * )
483	{
484	#ifdef DEBUG
485	dprintf(("DDRAW: DuplicateSurface NIY\n"));
486	#endif
487	return(DD_OK);
488	}
489	//******************************************************************************
490	//******************************************************************************
491	HRESULT __stdcall DrawDuplicateSurface4(THIS, LPDIRECTDRAWSURFACE4, LPDIRECTDRAWSURFACE4 FAR * )
492	{
493	#ifdef DEBUG
494	dprintf(("DDRAW: DuplicateSurface4 NIY\n"));
495	#endif
496
497	return(DD_OK);
498	}
499	//******************************************************************************
500	//******************************************************************************
501	HRESULT __stdcall DrawEnumDisplayModes( THIS This,
502	DWORD dwFlags,
503	LPDDSURFACEDESC lpDDSurfaceDesc,
504	LPVOID lpContext,
505	LPDDENUMMODESCALLBACK lpDDEnumModesCallback)
506	{
507	int iMode = 0;
508	DDSURFACEDESC DDSurfAct;
509	BOOL fCallAgain;
510	OS2IDirectDraw me = (OS2IDirectDraw )This;
511
512	#ifdef DEBUG
513	dprintf(("DDRAW: EnumDisplayModes\n"));
514	#endif
515
516	// Check for Pointer to callback function
517	if (NULL == lpDDEnumModesCallback)
518	{
519	#ifdef DEBUG
520	dprintf(("DDRAW: EnumDisplayModes : Error NO EnumFunction passed in\n"));
521	#endif
522
523	return(DDERR_GENERIC);
524	}
525
526
527	// Setting up the surface
528	// During enum we report resolution and bitdepth, maybe we should
529	// also report back : Caps and Pitch
530	memset(&DDSurfAct,0,sizeof(DDSURFACEDESC));
531	DDSurfAct.dwSize = sizeof(DDSURFACEDESC);
532	DDSurfAct.dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT ;
533	// Only report the bitdepth hope this is ok this way, we must set the BitMask fields
534
535	DDSurfAct.ddpfPixelFormat.dwSize = sizeof (DDPIXELFORMAT);
536	DDSurfAct.ddpfPixelFormat.dwFlags = DDPF_RGB;
537	// Check if we use DIVE or Voodoo
538	if(me->lpVtbl != (IDirectDraw4Vtbl *) &(me->Vtbl3D))
539	{
540	// DIVE modes
541
542	#ifdef DEBUG
543	dprintf(("DDRAW: EnumDisplayModes : DIVE modes\n"));
544	#endif
545
546	// Enumerate all modes ?
547	if (NULL==lpDDSurfaceDesc)
548	{
549	// Check if we shall report 320x200 mode
550
551	#ifdef DEBUG
552	dprintf(("DDRAW: EnumDisplayModes : ALL modes\n"));
553	#endif
554
555	if(dwFlags && DDEDM_STANDARDVGAMODES)
556	{
557	#ifdef DEBUG
558	dprintf(("DDRAW: EnumDisplayModes : STANDARDVGAMODES\n"));
559	#endif
560	DDSurfAct.dwHeight = ModesDive[0].iYRes;
561	DDSurfAct.dwWidth = ModesDive[0].iXRes;
562	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
563	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8 ;
564	if(!lpDDEnumModesCallback(&DDSurfAct,lpContext))
565	{
566	#ifdef DEBUG
567	dprintf(("DDRAW: EnumDisplayModes : Enum done\n"));
568	#endif
569	return (DD_OK);
570	}
571	}
572	// Don't know the flag for Mode X so we skip reporting it
573
574	// Now report all our modes
575	iMode = 2;
576	fCallAgain = TRUE;
577	do
578	{
579	// if the mode fits in the current resolution report it
580	// Change this if we support Fullscreen later !!!
581
582	if(ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)
583	{
584	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
585	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
586	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
587	switch(ModesDive[iMode].iBits)
588	{
589	case 8:
590	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
591	break;
592	case 16:
593	// VESA uses 565 encoding in 16 bit modes
594	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
595	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
596	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
597	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
598	break;
599	case 24:
600	// VESA uses per default RGB4
601	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
602	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
603	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
604	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
605	break;
606	default:
607	break;
608	}
609	#ifdef DEBUG
610	dprintf( ("EnumDisplayModes : Enum Mode %dx%d @ %d\n",
611	DDSurfAct.dwHeight,
612	DDSurfAct.dwWidth,
613	DDSurfAct.ddpfPixelFormat.dwRGBBitCount));
614	#endif
615	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
616	#ifdef DEBUG
617	dprintf( ("EnumDisplayModes : Callback returned with %d\n",
618	fCallAgain));
619	#endif
620	}
621	iMode++;
622	}
623	while( (iMode < NUM_MODES_DIVE) &&
624	(ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
625	(TRUE==fCallAgain) );
626	}
627	else
628	{
629	// No, so filter modes with lpDDSurfaceDesc
630
631	// Return Error if the program want to use other than the 3 supported values
632	// for filtering
633
634	if (lpDDSurfaceDesc->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
635	return(DDERR_INVALIDPARAMS);
636
637	iMode = 0;
638	if( (dwFlags && DDEDM_STANDARDVGAMODES) &&
639	(
640	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
641	(ModesDive[iMode].iXRes==lpDDSurfaceDesc->dwWidth)
642	)\|\|(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
643	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
644	(ModesDive[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
645	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
646	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
647	(ModesDive[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
648	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
649	)
650	)
651	{
652	DDSurfAct.dwHeight = ModesDive[0].iYRes;
653	DDSurfAct.dwWidth = ModesDive[0].iXRes;
654	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[0].iBits;
655	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
656	if(!lpDDEnumModesCallback(&DDSurfAct,lpContext))
657	{
658	return (DD_OK);
659	}
660	}
661	// Don't know the flag for Mode X so we skip reporting it
662
663	// Now report all our modes
664	iMode = 2;
665	fCallAgain = TRUE;
666	do
667	{
668	// if the mode fits in the current resolution and the filter applies report it
669	// Change this if we support Fullscreen later !!!
670	if( (ModesDive[iMode].iXRes < me->dCaps.ulHorizontalResolution)&&
671	(
672	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
673	(ModesDive[iMode].iXRes==lpDDSurfaceDesc->dwWidth))\|\|
674	(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
675	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
676	(ModesDive[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
677	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
678	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
679	(ModesDive[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
680	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
681	)
682	)
683	{
684	DDSurfAct.dwHeight = ModesDive[iMode].iYRes;
685	DDSurfAct.dwWidth = ModesDive[iMode].iXRes;
686	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesDive[iMode].iBits;
687	switch(ModesDive[iMode].iBits)
688	{
689	case 8:
690	DDSurfAct.ddpfPixelFormat.dwFlags \|= DDPF_PALETTEINDEXED8;
691	break;
692	case 16:
693	// VESA uses 565 encoding in 16 bit modes
694	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
695	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
696	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
697	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
698	break;
699	case 24:
700	// VESA uses per default RGB4
701	DDSurfAct.ddpfPixelFormat.dwFlags &= ~DDPF_PALETTEINDEXED8;
702	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
703	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
704	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x000000FF;
705	break;
706	default:
707	break;
708	}
709
710	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
711	}
712	iMode++;
713	}
714	while((ModesDive[iMode].iBits <= me->dCaps.ulDepth) &&
715	(iMode < NUM_MODES_DIVE) && (TRUE==fCallAgain));
716
717	}
718	}
719	else
720	{
721
722	// VOODOO modes
723
724	// Enumerate all modes ?
725	if (NULL==lpDDSurfaceDesc)
726	{
727
728	// report all our modes
729	iMode = 0;
730	fCallAgain = TRUE;
731	do
732	{
733	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
734	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
735	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
736
737	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
738	iMode++;
739	}
740	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
741	}
742	else
743	{
744	// No, so filter modes with lpDDSurfaceDesc
745
746	// Return Error if the program want to use other than the 3 supported values
747	// for filtering
748
749	if (lpDDSurfaceDesc->dwFlags & !(DDSD_WIDTH\|DDSD_HEIGHT\|DDSD_PIXELFORMAT))
750	{
751	return(DDERR_INVALIDPARAMS);
752	}
753
754	iMode = 2;
755	fCallAgain = TRUE;
756	// All reported mode are 16bit
757	DDSurfAct.ddpfPixelFormat.dwRBitMask = 0x0000F800;
758	DDSurfAct.ddpfPixelFormat.dwGBitMask = 0x000007E0;
759	DDSurfAct.ddpfPixelFormat.dwBBitMask = 0x0000001F;
760	do
761	{
762	// if the mode fits the filter applies report it
763	if(
764	(((lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)&&
765	(ModesVoodoo[iMode].iXRes==lpDDSurfaceDesc->dwWidth))\|\|
766	(!(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH)))&&
767	(((lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)&&
768	(ModesVoodoo[iMode].iYRes==lpDDSurfaceDesc->dwHeight))\|\|
769	(!(lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT)))&&
770	(((lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT) &&
771	(ModesVoodoo[iMode].iBits==lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount))\|\|
772	(!(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)))
773	)
774	{
775	DDSurfAct.dwHeight = ModesVoodoo[iMode].iYRes;
776	DDSurfAct.dwWidth = ModesVoodoo[iMode].iXRes;
777	DDSurfAct.ddpfPixelFormat.dwRGBBitCount = ModesVoodoo[iMode].iBits;
778
779	fCallAgain = lpDDEnumModesCallback(&DDSurfAct,lpContext);
780	}
781	iMode++;
782	}
783	while((iMode < NUM_MODES_VOODOO) && (TRUE==fCallAgain));
784
785	}
786
787	}
788
789
790
791	return(DD_OK);
792	}
793	//******************************************************************************
794	//******************************************************************************
795	HRESULT __stdcall DrawEnumDisplayModes4(THIS This, DWORD dwFlags, LPDDSURFACEDESC2 lpDDSurfaceDesc2,
796	LPVOID lpContext, LPDDENUMMODESCALLBACK2 lpDDEnumModesCallback2)
797	{
798	int iMode = 0;
799	DDSURFACEDESC DDSurfAct;
800	BOOL fCallAgain;
801	OS2IDirectDraw me = (OS2IDirectDraw )This;
802
803	#ifdef DEBUG
804	dprintf(("DDRAW: EnumDisplayModes4 NIY\n"));
805	#endif
806	return(DD_OK);
807	}
808	//******************************************************************************
809	//******************************************************************************
810	HRESULT __stdcall DrawEnumSurfaces(THIS, DWORD, LPDDSURFACEDESC, LPVOID,LPDDENUMSURFACESCALLBACK )
811	{
812	#ifdef DEBUG
813	dprintf(("DDRAW: EnumSurfaces NIY\n"));
814	#endif
815
816	return(DD_OK);
817	}
818	//******************************************************************************
819	//******************************************************************************
820	HRESULT __stdcall DrawEnumSurfaces4(THIS, DWORD, LPDDSURFACEDESC2, LPVOID,LPDDENUMSURFACESCALLBACK2 )
821	{
822	#ifdef DEBUG
823	dprintf(("DDRAW: EnumSurfaces4 NIY\n"));
824	#endif
825
826	return(DD_OK);
827	}
828	//******************************************************************************
829	//******************************************************************************
830	HRESULT __stdcall DrawFlipToGDISurface(THIS)
831	{
832	#ifdef DEBUG
833	dprintf(("DDRAW: FlipToGDISurface NIY\n"));
834	#endif
835
836	return(DD_OK);
837	}
838	//******************************************************************************
839	//******************************************************************************
840	HRESULT __stdcall DrawGetCaps(THIS, LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDHELCaps)
841	{
842	DWORD dwSize;
843
844	#ifdef DEBUG
845	dprintf(("DDRAW: DDGetCaps of "));
846	#endif
847
848	if( (NULL==lpDDDriverCaps) && (NULL==lpDDHELCaps) )
849	return(DDERR_INVALIDPARAMS);
850
851	if(NULL!=lpDDDriverCaps)
852	{
853	// Caller want Driver Caps
854
855	dprintf(("DDRAW: Driver\n"));
856
857	if( (sizeof(DDCAPS)!=lpDDDriverCaps->dwSize) &&
858	(sizeof(DDCAPS_DX5)!=lpDDDriverCaps->dwSize) &&
859	(sizeof(DDCAPS_DX3)!=lpDDDriverCaps->dwSize) )
860	{
861	dprintf( ("Size %d Not supported ",
862	lpDDDriverCaps->dwSize));
863	return(DDERR_INVALIDPARAMS);
864	}
865	// Clear structure so we only have to set the supported flags
866
867	dwSize = lpDDDriverCaps->dwSize;
868	memset( lpDDDriverCaps,
869	0,
870	lpDDDriverCaps->dwSize);
871
872
873	// Reset the size
874	lpDDDriverCaps->dwSize = dwSize;
875
876	// Now report the CAPs back which we support
877	lpDDDriverCaps->dwCaps = DDCAPS_BLT \| // We do blitting
878	DDCAPS_BLTCOLORFILL \| // We do colorfills
879	DDCAPS_COLORKEY \| // We support Colorkeying
880	DDCAPS_COLORKEYHWASSIST \| // But we (may) use the CPU
881	DDCAPS_GDI \| // Maybe check if we are on Voodoo ?
882	DDCAPS_PALETTEVSYNC; // Got VSync
883
884	lpDDDriverCaps->dwCaps2 = DDCAPS2_CERTIFIED \| // Who cares so say yes
885	//DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
886	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
887	DDCAPS2_NONLOCALVIDMEM \| // All surfaces are in memory
888	DDCAPS2_WIDESURFACES; // Any size you want!
889
890	lpDDDriverCaps->dwCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
891
892	// lpDDDriverCaps->dwFXCaps = DDFXCAPS_BLTMIRRORUPDOWN; // DIVE supports this, do we also ?
893	// Maybe later add stretching support?
894
895	lpDDDriverCaps->dwPalCaps = DDPCAPS_8BIT \| // Only 8 Bits pals
896	DDPCAPS_ALLOW256 \| // But all 256 colors
897	DDPCAPS_VSYNC \| // Vsync yet
898	DDPCAPS_PRIMARYSURFACE; //
899	lpDDDriverCaps->dwVidMemTotal = 4096*1024; // total video memory
900	lpDDDriverCaps->dwVidMemFree = 4096*1024; // total free video memory
901	lpDDDriverCaps->dwNumFourCCCodes; // number of supported FOURCC codes
902	/*
903	ToDo: must finde out ow the array is used for this
904	lpDDDriverCaps->dwRops[DD_ROP_SPACE] = SRCCOPY \|
905	BLACKNESS \|
906	WHITENESS; // Raster OPs implemented
907	*/
908	lpDDDriverCaps->dwSVBCaps = DDCAPS_BLT \| // We do blitting
909	DDCAPS_BLTCOLORFILL \| // We do colorfills
910	DDCAPS_COLORKEY \| // We support Colorkeying
911	DDCAPS_COLORKEYHWASSIST;
912	lpDDDriverCaps->dwSVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
913	lpDDDriverCaps->dwSVBFXCaps = DDCAPS_BLT \| // We do blitting
914	DDCAPS_BLTCOLORFILL \| // We do colorfills
915	DDCAPS_COLORKEY \| // We support Colorkeying
916	DDCAPS_COLORKEYHWASSIST;
917	/*
918	ToDo: must finde out ow the array is used for this
919	lpDDDriverCaps->dwSVBRops[DD_ROP_SPACE] = SRCCOPY \|
920	BLACKNESS \|
921	WHITENESS; // Raster OPs implemented
922	*/
923	lpDDDriverCaps->dwVSBCaps = DDCAPS_BLT \| // We do blitting
924	DDCAPS_BLTCOLORFILL \| // We do colorfills
925	DDCAPS_COLORKEY \| // We support Colorkeying
926	DDCAPS_COLORKEYHWASSIST;
927	lpDDDriverCaps->dwVSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
928	lpDDDriverCaps->dwVSBFXCaps = DDCAPS_BLT \| // We do blitting
929	DDCAPS_BLTCOLORFILL \| // We do colorfills
930	DDCAPS_COLORKEY \| // We support Colorkeying
931	DDCAPS_COLORKEYHWASSIST;
932	/*
933	ToDo: must finde out ow the array is used for this
934	lpDDDriverCaps->dwVSBRops[DD_ROP_SPACE] = SRCCOPY \|
935	BLACKNESS \|
936	WHITENESS; // Raster OPs implemented
937	*/
938	lpDDDriverCaps->dwSSBCaps = DDCAPS_BLT \| // We do blitting
939	DDCAPS_BLTCOLORFILL \| // We do colorfills
940	DDCAPS_COLORKEY \| // We support Colorkeying
941	DDCAPS_COLORKEYHWASSIST;
942	lpDDDriverCaps->dwSSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
943	lpDDDriverCaps->dwSSBFXCaps = DDCAPS_BLT \| // We do blitting
944	DDCAPS_BLTCOLORFILL \| // We do colorfills
945	DDCAPS_COLORKEY \| // We support Colorkeying
946	DDCAPS_COLORKEYHWASSIST;
947	/*
948	ToDo: must finde out ow the array is used for this
949	lpDDDriverCaps->dwSSBRops[SRCCOPY] = 1;
950	lpDDDriverCaps->dwSSBRops[BLACKNESS] = 1;
951	lpDDDriverCaps->dwSSBRops[WHITENESS] = 1; // Raster OPs implemented
952	*/
953	// These are ony in >DX5
954	if(dwSize>sizeof(DDCAPS_DX3))
955	{
956	lpDDDriverCaps->dwSVBCaps2 = //DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
957	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
958	DDCAPS2_WIDESURFACES; // Any size you want!
959	lpDDDriverCaps->dwNLVBCaps = DDCAPS_BLT \| // We do blitting
960	DDCAPS_BLTCOLORFILL \| // We do colorfills
961	DDCAPS_COLORKEY \| // We support Colorkeying
962	DDCAPS_COLORKEYHWASSIST;
963	lpDDDriverCaps->dwNLVBCaps2 = //DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
964	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
965	DDCAPS2_WIDESURFACES; // Any size you want!
966	lpDDDriverCaps->dwNLVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
967	lpDDDriverCaps->dwNLVBFXCaps = DDCAPS_BLT \| // We do blitting
968	DDCAPS_BLTCOLORFILL \| // We do colorfills
969	DDCAPS_COLORKEY \| // We support Colorkeying
970	DDCAPS_COLORKEYHWASSIST;
971	lpDDDriverCaps->dwNLVBRops[DD_ROP_SPACE];// ToDo: Again the array ...
972
973	// General Surface caps only in DX6
974	if(dwSize>sizeof(DDCAPS_DX5))
975	{
976	lpDDDriverCaps->ddsCaps.dwCaps = DDSCAPS_ALPHA \| DDSCAPS_BACKBUFFER \|
977	DDSCAPS_COMPLEX \| DDSCAPS_FLIP \|
978	DDSCAPS_FRONTBUFFER \| DDSCAPS_LOCALVIDMEM \|
979	DDSCAPS_NONLOCALVIDMEM \| DDSCAPS_OFFSCREENPLAIN \|
980	// DDSCAPS_OVERLAY \|
981	DDSCAPS_PALETTE \| DDSCAPS_PRIMARYSURFACE \|
982	DDSCAPS_SYSTEMMEMORY \|DDSCAPS_VIDEOMEMORY \|
983	DDSCAPS_VISIBLE;
984
985	#ifdef USE_OPENGL
986	lpDDDriverCaps->dwCaps \|= DDCAPS_3D \| DDCAPS_ZBLTS;
987	// ToDO find and put the value for DDCAPS2_NO2DDURING3DSCENE in ddraw.h
988	// lpDDDriverCaps->dwCaps2 \|= DDCAPS2_NO2DDURING3DSCENE;
989	lpDDDriverCaps->ddsCaps.dwCaps \|= DDSCAPS_3DDEVICE \| DDSCAPS_MIPMAP \|
990	DDSCAPS_TEXTURE \| DDSCAPS_ZBUFFER;
991	#endif
992	}
993	}
994
995
996	}
997
998	if(NULL!=lpDDHELCaps)
999	{
1000	// Caller wants HEL Caps
1001	dprintf(("DDRAW: HEL\n"));
1002
1003	if(sizeof(DDCAPS)!=lpDDHELCaps->dwSize)
1004	{
1005	dprintf(("DDRAW: Size Not Set\n"));
1006	return(DDERR_INVALIDPARAMS);
1007	}
1008	// Clear structure so we only have to set the supported flags
1009
1010
1011	memset(lpDDHELCaps,0,sizeof(DDCAPS));
1012
1013
1014	// Reset the size
1015	lpDDHELCaps->dwSize = sizeof(DDCAPS);
1016
1017	// Now report the CAPs back which we support
1018	lpDDHELCaps->dwCaps = DDCAPS_BLT \| // We do blitting
1019	DDCAPS_BLTCOLORFILL \| // We do colorfills
1020	DDCAPS_COLORKEY \| // We support Colorkeying
1021	DDCAPS_COLORKEYHWASSIST \| // But we (may) use the CPU
1022	DDCAPS_GDI \| // Maybe check if we are on Voodoo ?
1023	DDCAPS_PALETTEVSYNC; // Got VSync
1024
1025	lpDDHELCaps->dwCaps2 = DDCAPS2_CERTIFIED \| // Who cares so say yes
1026	DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1027	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1028	DDCAPS2_NONLOCALVIDMEM \| // All surfaces are in memory
1029	DDCAPS2_WIDESURFACES; // Any size you want!
1030
1031	lpDDHELCaps->dwCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1032
1033	// lpDDDriverCaps->dwFXCaps = DDFXCAPS_BLTMIRRORUPDOWN; // DIVE supports this, do we also ?
1034	// Maybe later add stretching support?
1035
1036	lpDDHELCaps->dwPalCaps = DDPCAPS_8BIT \| // Only 8 Bits pals
1037	DDPCAPS_ALLOW256 \| // But all 256 colors
1038	DDPCAPS_VSYNC \| // Vsync yet
1039	DDPCAPS_PRIMARYSURFACE; //
1040	lpDDHELCaps->dwVidMemTotal = 2048*1024; // total video memory
1041	lpDDHELCaps->dwVidMemFree = 2048*1024; // total free video memory
1042	lpDDHELCaps->dwNumFourCCCodes; // number of supported FOURCC codes
1043	lpDDHELCaps->dwRops[DD_ROP_SPACE]; // supported raster ops
1044	lpDDHELCaps->dwSVBCaps = DDCAPS_BLT \| // We do blitting
1045	DDCAPS_BLTCOLORFILL \| // We do colorfills
1046	DDCAPS_COLORKEY \| // We support Colorkeying
1047	DDCAPS_COLORKEYHWASSIST;
1048	lpDDHELCaps->dwSVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1049	lpDDHELCaps->dwSVBFXCaps; // .
1050	lpDDHELCaps->dwSVBRops[DD_ROP_SPACE]; // .
1051	lpDDHELCaps->dwVSBCaps = DDCAPS_BLT \| // We do blitting
1052	DDCAPS_BLTCOLORFILL \| // We do colorfills
1053	DDCAPS_COLORKEY \| // We support Colorkeying
1054	DDCAPS_COLORKEYHWASSIST;
1055	lpDDHELCaps->dwVSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1056	lpDDHELCaps->dwVSBFXCaps; // .
1057	lpDDHELCaps->dwVSBRops[DD_ROP_SPACE]; // .
1058	lpDDHELCaps->dwSSBCaps = DDCAPS_BLT \| // We do blitting
1059	DDCAPS_BLTCOLORFILL \| // We do colorfills
1060	DDCAPS_COLORKEY \| // We support Colorkeying
1061	DDCAPS_COLORKEYHWASSIST;
1062	lpDDHELCaps->dwSSBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1063	lpDDHELCaps->dwSSBFXCaps; // .
1064	lpDDHELCaps->dwSSBRops[DD_ROP_SPACE]; // .
1065	lpDDHELCaps->dwSVBCaps2 = DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1066	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1067	DDCAPS2_WIDESURFACES; // Any size you want!
1068	lpDDHELCaps->dwNLVBCaps = DDCAPS_BLT \| // We do blitting
1069	DDCAPS_BLTCOLORFILL \| // We do colorfills
1070	DDCAPS_COLORKEY \| // We support Colorkeying
1071	DDCAPS_COLORKEYHWASSIST;
1072	lpDDHELCaps->dwNLVBCaps2 = DDCAPS2_CANRENDERWINDOWED \| // Better check for Voodoo ?!
1073	DDCAPS2_COPYFOURCC \| // yepp memcpy will do this
1074	DDCAPS2_WIDESURFACES; // Any size you want!
1075	lpDDHELCaps->dwNLVBCKeyCaps = DDCKEYCAPS_SRCBLT; // Only source transparent blitting
1076	lpDDHELCaps->dwNLVBFXCaps; // .
1077	lpDDHELCaps->dwNLVBRops[DD_ROP_SPACE];// .
1078
1079	}
1080
1081	return(DD_OK);
1082	}
1083	//******************************************************************************
1084	//******************************************************************************
1085	HRESULT __stdcall DrawGetDisplayMode(THIS This, LPDDSURFACEDESC lpDDSurfaceDesc)
1086	{
1087	OS2IDirectDraw me = (OS2IDirectDraw )This;
1088	#ifdef DEBUG
1089	dprintf(("DDRAW: GetDisplayMode\n"));
1090	#endif
1091
1092	// Check Parameter
1093	if(NULL==lpDDSurfaceDesc)
1094	return(DDERR_INVALIDPARAMS);
1095
1096	if(sizeof(DDSURFACEDESC)!=lpDDSurfaceDesc->dwSize)
1097	return(DDERR_INVALIDPARAMS);
1098
1099	// We report back the DIVE caps. maybe we should set up a local DDSURFACEDESC
1100	// for the object so we can change the values when we switch modes (or say so)
1101	// as a program may use this function to check the values after a mode change
1102	// An other reason to to so is Voodoo supports maybe more functions
1103
1104	// Tell what we report
1105	lpDDSurfaceDesc->dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT;
1106	lpDDSurfaceDesc->dwHeight = me->dCaps.ulHorizontalResolution;
1107	lpDDSurfaceDesc->dwWidth = me->dCaps.ulVerticalResolution;
1108	// Set the PixelFormat
1109	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
1110
1111	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = me->dCaps.fccColorEncoding;
1112	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = me->dCaps.ulDepth;
1113	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBAlphaBitMask = 0; // No Alpha support
1114	switch(me->dCaps.ulDepth)
1115	{
1116	case 4:
1117	// Assume that no one will run OS/2 PM with less then 16 colors and try
1118	// to start a DirectX program ;)
1119	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED4;
1120	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0;
1121	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0;
1122	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0;
1123	break;
1124	case 8:
1125	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED8 \|
1126	DDPF_FOURCC;
1127	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0;
1128	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0;
1129	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0;
1130	break;
1131	case 15:
1132	case 16:
1133	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = 16; // No sure about 15Bit modes
1134	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1135	if (FOURCC_R555 == me->dCaps.fccColorEncoding)
1136	{
1137	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00007C00;
1138	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000003E0;
1139	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1140	}
1141	else
1142	{
1143	if(FOURCC_R565 == me->dCaps.fccColorEncoding)
1144	{
1145	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1146	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
1147	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1148	}
1149	else
1150	{
1151	// R664
1152	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1153	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000003F0;
1154	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000000F;
1155	}
1156	}
1157	break;
1158	case 24:
1159	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1160	if(FOURCC_RGB3 == me->dCaps.fccColorEncoding)
1161	{
1162	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1163	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1164	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1165	}
1166	else
1167	{
1168	// BGR3
1169	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1170	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1171	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1172	}
1173	break;
1174	case 32:
1175	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1176	if(FOURCC_RGB4 == me->dCaps.fccColorEncoding)
1177	{
1178	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1179	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1180	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1181	}
1182	else
1183	{
1184	// BGR4
1185	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1186	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1187	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1188	}
1189	break;
1190	default:
1191	#ifdef DEBUG
1192	dprintf(("DDRAW: Unsupported mode\n"));
1193	#endif
1194	return(DDERR_UNSUPPORTEDMODE);
1195	}
1196
1197	return(DD_OK);
1198	}
1199	//******************************************************************************
1200	//******************************************************************************
1201	HRESULT __stdcall DrawGetDisplayMode4(THIS This, LPDDSURFACEDESC2 lpDDSurfaceDesc2)
1202	{
1203	OS2IDirectDraw me = (OS2IDirectDraw )This;
1204	#ifdef DEBUG
1205	dprintf(("DDRAW: GetDisplayMode\n"));
1206	#endif
1207
1208	// Check Parameter
1209	if(NULL==lpDDSurfaceDesc2)
1210	return(DDERR_INVALIDPARAMS);
1211
1212	if(sizeof(DDSURFACEDESC)!=lpDDSurfaceDesc2->dwSize)
1213	return(DDERR_INVALIDPARAMS);
1214
1215	// We report back the DIVE caps. maybe we should set up a local DDSURFACEDESC
1216	// for the object so we can change the values when we switch modes (or say so)
1217	// as a program may use this function to check the values after a mode change
1218	// An other reason to to so is Voodoo supports maybe more functions
1219
1220	// Tell what we report
1221	lpDDSurfaceDesc2->dwFlags = DDSD_HEIGHT \| DDSD_WIDTH \| DDSD_PIXELFORMAT;
1222	lpDDSurfaceDesc2->dwHeight = me->dCaps.ulHorizontalResolution;
1223	lpDDSurfaceDesc2->dwWidth = me->dCaps.ulVerticalResolution;
1224	// Set the PixelFormat
1225	lpDDSurfaceDesc2->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
1226
1227	lpDDSurfaceDesc2->ddpfPixelFormat.dwFourCC = me->dCaps.fccColorEncoding;
1228	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount = me->dCaps.ulDepth;
1229	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBAlphaBitMask = 0; // No Alpha support
1230	switch(me->dCaps.ulDepth)
1231	{
1232	case 4:
1233	// Assume that no one will run OS/2 PM with less then 16 colors and try
1234	// to start a DirectX program ;)
1235	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED4;
1236	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0;
1237	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0;
1238	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0;
1239	break;
1240	case 8:
1241	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_PALETTEINDEXED8 \|
1242	DDPF_FOURCC;
1243	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0;
1244	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0;
1245	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0;
1246	break;
1247	case 15:
1248	case 16:
1249	lpDDSurfaceDesc2->ddpfPixelFormat.dwRGBBitCount = 16; // No sure about 15Bit modes
1250	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1251	if (FOURCC_R555 == me->dCaps.ulDepth)
1252	{
1253	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00007C00;
1254	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000003E0;
1255	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1256	}
1257	else
1258	{
1259	if(FOURCC_R565 == me->dCaps.fccColorEncoding)
1260	{
1261	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1262	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000007E0;
1263	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000001F;
1264	}
1265	else
1266	{
1267	// R664
1268	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x0000F800;
1269	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x000003F0;
1270	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x0000000F;
1271	}
1272	}
1273	break;
1274	case 24:
1275	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1276	if(FOURCC_RGB3 == me->dCaps.fccColorEncoding)
1277	{
1278	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1279	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1280	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1281	}
1282	else
1283	{
1284	// BGR3
1285	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1286	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1287	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1288	}
1289	break;
1290	case 32:
1291	lpDDSurfaceDesc2->ddpfPixelFormat.dwFlags = DDPF_RGB \| DDPF_FOURCC;
1292	if(FOURCC_RGB4 == me->dCaps.fccColorEncoding)
1293	{
1294	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
1295	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1296	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x000000FF;
1297	}
1298	else
1299	{
1300	// BGR4
1301	lpDDSurfaceDesc2->ddpfPixelFormat.dwRBitMask = 0x000000FF;
1302	lpDDSurfaceDesc2->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
1303	lpDDSurfaceDesc2->ddpfPixelFormat.dwBBitMask = 0x00FF0000;
1304	}
1305	break;
1306	default:
1307	#ifdef DEBUG
1308	dprintf(("DDRAW: Unsupported mode\n"));
1309	#endif
1310	return(DDERR_UNSUPPORTEDMODE);
1311	}
1312
1313	return(DD_OK);
1314	}
1315	//******************************************************************************
1316	//******************************************************************************
1317	HRESULT __stdcall DrawGetFourCCCodes(THIS, LPDWORD lpNumCodes, LPDWORD lpCodes)
1318	{
1319	DWORD dwFCC[3] = {FOURCC_LUT8,FOURCC_R565,FOURCC_RGB3};
1320	#ifdef DEBUG
1321	dprintf(("DDRAW: GetFourCCCodes\n"));
1322	#endif
1323
1324	if(NULL==lpNumCodes)
1325	return(DDERR_INVALIDPARAMS);
1326
1327	if(NULL==lpCodes)
1328	{
1329	*lpNumCodes = 3; // LUT8, R565, RGB3 are the FourCC we support for now
1330	}
1331	else
1332	{
1333	for(int i=0;(i<3)&&(i<*lpNumCodes);i++)
1334	{
1335	*lpCodes = dwFCC[i];
1336	lpCodes +=4;
1337	}
1338	if(*lpNumCodes < 3)
1339	*lpNumCodes = 3;
1340	}
1341	return(DD_OK);
1342	}
1343	//******************************************************************************
1344	//******************************************************************************
1345	HRESULT __stdcall DrawGetGDISurface(THIS, LPDIRECTDRAWSURFACE FAR *)
1346	{
1347	#ifdef DEBUG
1348	dprintf(("DDRAW: GetGDISurface NYI\n"));
1349	#endif
1350
1351	return(DD_OK);
1352	}
1353	//******************************************************************************
1354	//******************************************************************************
1355	HRESULT __stdcall DrawGetGDISurface4(THIS, LPDIRECTDRAWSURFACE4 FAR *)
1356	{
1357	#ifdef DEBUG
1358	dprintf(("DDRAW: GetGDISurface NYI\n"));
1359	#endif
1360
1361	return(DD_OK);
1362	}
1363	//******************************************************************************
1364	//******************************************************************************
1365	HRESULT __stdcall DrawGetMonitorFrequency(THIS This, LPDWORD lpdwFreq)
1366	{
1367	ULONG ulTime1, ulTime2;
1368	DWORD dwFlags = DDWAITVB_BLOCKBEGIN;
1369	#ifdef DEBUG
1370	dprintf(("DDRAW: GetMonitorFrequency\n"));
1371	#endif
1372	if(NULL==lpdwFreq)
1373	return(DDERR_INVALIDPARAMS);
1374
1375
1376
1377	if(DD_OK==DrawWaitForVerticalBlank(This, dwFlags, 0))
1378	{
1379	ulTime1 = GetTickCount();
1380	// Timer has an accuracy of 4 ms so call it al least 4 times
1381	DrawWaitForVerticalBlank(This, dwFlags, 0);
1382	DrawWaitForVerticalBlank(This, dwFlags, 0);
1383	DrawWaitForVerticalBlank(This, dwFlags, 0);
1384	DrawWaitForVerticalBlank(This, dwFlags, 0);
1385	ulTime2 = GetTickCount();
1386	ulTime2 -= ulTime1;
1387	if(ulTime2) // paranoid check to avoid DIV0
1388	*lpdwFreq = 4000 / ulTime2;
1389	else
1390	*lpdwFreq = 70;
1391	}
1392	else
1393	{
1394	// Assume 70 Hz maybe better return DDERR_UNSUPPORTED if this function isn't mandatory
1395	*lpdwFreq = 70;
1396	}
1397
1398
1399
1400	return(DD_OK);
1401	}
1402	//******************************************************************************
1403	//******************************************************************************
1404	HRESULT __stdcall DrawGetScanLine(THIS, LPDWORD lpdwLine)
1405	{
1406	BOOL bVertBlank;
1407	#ifdef DEBUG
1408	dprintf(("DDRAW: GetScanLine\n"));
1409	#endif
1410	// ToDO find a way to get this position, so for now simply return DDERR_UNSUPPORTED
1411	// as we indicated in DDCAPS we don't support this.
1412
1413	return(DDERR_UNSUPPORTED);
1414
1415	//the following code could be used if we implement this
1416	/*
1417	if(NULL==lpdwLine)
1418	return(DDERR_INVALIDPARAMS);
1419	DrawGetVertcalBlackStatus(This,&bVertBlank);
1420	if(bVertBlank)
1421	return (DDERR_VERTICALBLANKINPROGRESS);
1422	*lpdwLine = GetLine(); // GetLine would be the function which gets us the line
1423	return(DD_OK);
1424	*/
1425	}
1426	//******************************************************************************
1427	//******************************************************************************
1428	HRESULT __stdcall DrawGetVerticalBlankStatus(THIS , LPBOOL lpbIsInVB)
1429	{
1430	int rc;
1431	#ifdef DEBUG
1432	dprintf(("DDRAW: GetVerticalBlankStatus\n"));
1433	#endif
1434	if(NULL==lpbIsInVB)
1435	return(DDERR_INVALIDPARAMS);
1436
1437
1438	rc = io_init1();
1439
1440
1441	if(0==rc) // try to get IOPL for the thread
1442	{
1443	*lpbIsInVB = (c_inb1(0x3da)&0x08)!=0;
1444
1445	io_exit1(); // reset IOPL
1446
1447	return(DD_OK);
1448	}
1449
1450	return(DDERR_UNSUPPORTED);
1451	}
1452	//******************************************************************************
1453	//******************************************************************************
1454	HRESULT __stdcall DrawInitialize(THIS, GUID FAR *)
1455	{
1456	#ifdef DEBUG
1457	dprintf(("DDRAW: Initialize\n"));
1458	#endif
1459
1460	return(DD_OK);
1461	}
1462	//******************************************************************************
1463	//******************************************************************************
1464	HRESULT __stdcall DrawRestoreDisplayMode(THIS)
1465	{
1466	#ifdef DEBUG
1467	dprintf(("DDRAW: RestoreDisplayMod\n"));
1468	#endif
1469
1470	return(DD_OK);
1471	}
1472	//******************************************************************************
1473	//******************************************************************************
1474	HRESULT __stdcall DrawSetCooperativeLevel(THIS This, HWND hwndClient, DWORD dwFlags)
1475	{
1476	OS2IDirectDraw me = (OS2IDirectDraw )This;
1477
1478	#ifdef DEBUG
1479	dprintf(("DDRAW: SetCooperativeLevel: hwnd %X, Flags %X\n", hwndClient, dwFlags));
1480	#endif
1481
1482	me->hwndClient = hwndClient;
1483	#if 0
1484	OS2DDSubclassWindow(hwndClient);
1485	#endif
1486	return(DD_OK);
1487	}
1488	//******************************************************************************
1489	//Backwards compatibility, what's that??
1490	//******************************************************************************
1491	HRESULT __stdcall DrawSetDisplayMode2(THIS This, DWORD dwWidth, DWORD dwHeight,
1492	DWORD dwBPP, DWORD dwRefreshRate,
1493	DWORD dwFlags)
1494	{
1495	ULONG rc;
1496	OS2IDirectDraw me = (OS2IDirectDraw )This;
1497	SETUP_BLITTER sBlt;
1498
1499	#ifdef DEBUG
1500	dprintf(("DDRAW: SetDisplayMode2 to %dx%d with %d bits colors\n", dwWidth, dwHeight, dwBPP));
1501	#endif
1502
1503	me->screenwidth = dwWidth;
1504	me->screenheight = dwHeight;
1505	me->screenbpp = dwBPP;
1506
1507	memset(&sBlt,0,sizeof(sBlt));
1508	sBlt.ulStructLen = sizeof(sBlt);
1509	sBlt.fccSrcColorFormat = FOURCC_SCRN;
1510	sBlt.ulSrcWidth = dwWidth;
1511	sBlt.ulSrcHeight = dwHeight;
1512	sBlt.ulSrcPosX = 0;
1513	sBlt.ulSrcPosY = 0;
1514	sBlt.fccDstColorFormat = FOURCC_SCRN;
1515	sBlt.ulDstWidth = dwWidth;
1516	sBlt.ulDstHeight = dwHeight;
1517	sBlt.lDstPosX = 0;
1518	sBlt.lDstPosY = 0;
1519	sBlt.lScreenPosX = 0;
1520	sBlt.lScreenPosY = me->dCaps.ulVerticalResolution-dwHeight;
1521	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1522
1523	rc = DiveSetupBlitter( me->hDive,
1524	&sBlt);
1525
1526	return(DD_OK);
1527	}
1528	//******************************************************************************
1529	//******************************************************************************
1530	HRESULT __stdcall DrawSetDisplayMode(THIS This, DWORD dwWidth, DWORD dwHeight,
1531	DWORD dwBPP)
1532	{
1533	ULONG rc;
1534	OS2IDirectDraw me = (OS2IDirectDraw )This;
1535	SETUP_BLITTER sBlt;
1536
1537	#ifdef DEBUG
1538	dprintf(("DDRAW: SetDisplayMode to %dx%d with %d bits colors\n", dwWidth, dwHeight, dwBPP));
1539	#endif
1540	me->screenwidth = dwWidth;
1541	me->screenheight = dwHeight;
1542	me->screenbpp = dwBPP;
1543
1544	memset(&sBlt,0,sizeof(sBlt));
1545	sBlt.ulStructLen = sizeof(sBlt);
1546	sBlt.fccSrcColorFormat = FOURCC_SCRN;
1547	sBlt.ulSrcWidth = dwWidth;
1548	sBlt.ulSrcHeight = dwHeight;
1549	sBlt.ulSrcPosX = 0;
1550	sBlt.ulSrcPosY = 0;
1551	sBlt.fccDstColorFormat = FOURCC_SCRN;
1552	sBlt.ulDstWidth = dwWidth;
1553	sBlt.ulDstHeight = dwHeight;
1554	sBlt.lDstPosX = 0;
1555	sBlt.lDstPosY = 0;
1556	sBlt.lScreenPosX = 0;
1557	sBlt.lScreenPosY = me->dCaps.ulVerticalResolution-dwHeight;
1558	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1559
1560	rc = DiveSetupBlitter( me->hDive,
1561	&sBlt);
1562
1563	return(DD_OK);
1564	}
1565	//******************************************************************************
1566	//******************************************************************************
1567	HRESULT __stdcall DrawWaitForVerticalBlank(THIS, DWORD dwFlags, HANDLE hEvent)
1568	{
1569	HRESULT rc;
1570	int rci;
1571	USHORT sel;
1572	dprintf(("DDRAW: WaitForVerticalBlank\n"));
1573
1574	if(DDWAITVB_BLOCKBEGINEVENT == dwFlags) // This parameter isn't support in DX
1575	return (DDERR_UNSUPPORTED);
1576
1577	return DD_OK;
1578
1579	rci = InitIO();
1580
1581	if(rci) // try to get IOPL for the thread
1582	{
1583	dprintf(("DDRAW: No IOPL\n"));
1584	return (DDERR_UNSUPPORTED); // we failed so return error that we don't support this
1585	}
1586	// AT this point we should have IOPL so lets use it!
1587	dprintf(("DDRAW: IOPL 3!\n"));
1588
1589	rc = DDERR_INVALIDPARAMS; // set returnvalue to fail
1590
1591	if(DDWAITVB_BLOCKBEGIN == dwFlags)
1592	{
1593	dprintf(("DDRAW: BLOCKBEGIN\n"));
1594
1595	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of vert. retrace if one is running
1596	while ((c_inb1(0x3da)&0x08)==0); // Wait for new start of retrace
1597	rc = DD_OK;
1598	}
1599
1600	if(DDWAITVB_BLOCKEND == dwFlags)
1601	{
1602	dprintf(("DDRAW: BLOCKEND\n"));
1603	rc = DD_OK;
1604	if((c_inb1(0x3da)&0x08)!=0) // Are we in a vert. retrace
1605	{
1606	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of retrace
1607	}
1608	else
1609	{
1610	while ((c_inb1(0x3da)&0x08)==0); // Wait for new start of retrace
1611	while ((c_inb1(0x3da)&0x08)!=0); // Wait for end of vert. retrace
1612	}
1613
1614	}
1615
1616
1617	// io_exit1();
1618
1619
1620	return (rc);
1621
1622	}
1623	//******************************************************************************
1624	//* Added in the v2 interface *
1625	//******************************************************************************
1626	HRESULT __stdcall DrawGetAvailableVidMem(THIS, LPDDSCAPS lpDDSCaps,
1627	LPDWORD lpdwTotal, LPDWORD lpdwFree)
1628	{
1629	#ifdef DEBUG
1630	dprintf(("DDRAW: GetAvailableVidMem\n"));
1631	#endif
1632
1633	// Check parameters
1634	if(NULL==lpDDSCaps)
1635	return(DDERR_INVALIDPARAMS);
1636
1637	if((NULL==lpdwTotal)&&(NULL==lpdwFree))
1638	return(DDERR_INVALIDPARAMS);
1639
1640	if(NULL!=lpdwTotal)
1641	lpdwTotal = 2048 1024;
1642
1643	if(NULL!=lpdwFree)
1644	lpdwFree = 2048 1024;
1645
1646	return(DD_OK);
1647	}
1648	//******************************************************************************
1649	//
1650	//******************************************************************************
1651	HRESULT __stdcall DrawGetAvailableVidMem4(THIS, LPDDSCAPS2 lpDDSCaps2,
1652	LPDWORD lpdwTotal, LPDWORD lpdwFree)
1653	{
1654	#ifdef DEBUG
1655	dprintf(("DDRAW: GetAvailableVidMem\n"));
1656	#endif
1657
1658	// Check parameters
1659	if(NULL==lpDDSCaps2)
1660	return(DDERR_INVALIDPARAMS);
1661
1662	if((NULL==lpdwTotal)&&(NULL==lpdwFree))
1663	return(DDERR_INVALIDPARAMS);
1664
1665	if(NULL!=lpdwTotal)
1666	lpdwTotal = 2048 1024;
1667
1668	if(NULL!=lpdwFree)
1669	lpdwFree = 2048 1024;
1670
1671	return(DD_OK);
1672	}
1673	//******************************************************************************
1674	//* Added in the v4 interface *
1675	//******************************************************************************
1676	HRESULT __stdcall DrawGetSurfaceFromDC(THIS, HDC hdc, LPDIRECTDRAWSURFACE4 *)
1677	{
1678	#ifdef DEBUG
1679	dprintf(("DDRAW: GetSurfaceFromDC NYI\n"));
1680	#endif
1681
1682	return(DD_OK);
1683	}
1684	//******************************************************************************
1685	//******************************************************************************
1686	HRESULT __stdcall DrawRestoreAllSurfaces(THIS)
1687	{
1688	#ifdef DEBUG
1689	dprintf(("DDRAW: RestoreAllSurfaces\n"));
1690	#endif
1691
1692	return(DD_OK);
1693	}
1694	//******************************************************************************
1695	//******************************************************************************
1696	HRESULT __stdcall DrawTestCooperativeLevel(THIS)
1697	{
1698	#ifdef DEBUG
1699	dprintf(("DDRAW: TestCooperativeLevel\n"));
1700	#endif
1701
1702	return(DD_OK);
1703	}
1704	//******************************************************************************
1705	//******************************************************************************
1706	HRESULT __stdcall DrawGetDeviceIdentifier( THIS, LPDDDEVICEIDENTIFIER lpdddi,
1707	DWORD dwFlags)
1708	{
1709	#ifdef DEBUG
1710	dprintf(("DDRAW: GetDeviceIdentifier Flags = %d\n",dwFlags));
1711	#endif
1712	if(NULL==lpdddi)
1713	return DDERR_INVALIDPARAMS;
1714
1715
1716
1717	memset( lpdddi,
1718	0,
1719	sizeof(DDDEVICEIDENTIFIER));
1720	// ToDo: Cretae a GUID and put some better data inside
1721	strcpy( lpdddi->szDriver,
1722	"OS/2 DIVE Driver");
1723	strcpy( lpdddi->szDescription,
1724	"ODIN DD Emulation Driver");
1725
1726
1727
1728	return(DD_OK);
1729	}
1730	//******************************************************************************
1731	//******************************************************************************
1732	VOID OS2IDirectDraw::SwitchDisplay(HWND hwnd)
1733	{
1734	DWORD dwVType, dwVSize;
1735	HKEY hkDirectDraw2;
1736
1737
1738
1739	if (bScale)
1740	{
1741	if (ERROR_SUCCESS==RegOpenKeyA(HKEY_LOCAL_MACHINE,KEY_DIRECT2DRAW,&hkDirectDraw2))
1742	{
1743	dwVSize = 4;
1744	dwVType = REG_DWORD;
1745	if (ERROR_SUCCESS!=RegQueryValueExA( hkDirectDraw2, "Fullscreen", NULL, &dwVType,
1746	(LPBYTE)&bScale, &dwVSize))
1747	bScale = FALSE;
1748	}
1749	else
1750	bScale = FALSE;
1751	}
1752
1753
1754	}
1755	//******************************************************************************
1756	//******************************************************************************
1757

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