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OS2SURFACE.CPP@ 913

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Last change on this file since 913 was 913, checked in by hugh, 26 years ago
Changess in basic implementation of the IDrectDraw class MS does assume 2 Vtables at the end and MS tools seam to use internal knownledge of the implmentation. DDCAPS is one butn thsi does work/start now.
File size: 173.3 KB

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1	#include <stdlib.h>
2	#include <string.h>
3	#include <memory.h>
4	#define mmioFOURCC( ch0, ch1, ch2, ch3 ) \
5	( (DWORD)(BYTE)(ch0) \| ( (DWORD)(BYTE)(ch1) << 8 ) \| \
6	( (DWORD)(BYTE)(ch2) << 16 ) \| ( (DWORD)(BYTE)(ch3) << 24 ) )
7	#include <fourcc.h>
8	#define INITGUID
9	#include "os2ddraw.h"
10	#include "os2clipper.h"
11	#include "os2palette.h"
12	#include "os2surface.h"
13	#include "rectangle.h"
14	#define _OS2WIN_H
15	#define FAR
16	#include "misc.h"
17	#include "asmutil.h"
18	#include <winerror.h>
19	#include <os2win.h>
20	#ifndef __WATCOMC__
21	#include <builtin.h>
22	#endif
23
24	extern FOURCC SupportedFourCCs[];
25	// ToDo: Move the following 2 defines in the right WINE headers.
26	BYTE DefaultPalette[] = { 0x00,0x00,0x00, // 0
27	0x80,0x00,0x00, // 1
28	0x00,0x80,0x00, // 2
29	0x80,0x80,0x00, // 3
30	0x00,0x00,0x80, // 4
31	0x80,0x00,0x80, // 5
32	0x00,0x80,0x80, // 6
33	0xC0,0xC0,0xC0, // 7
34	0xC0,0xDC,0xC0, // 8
35	0xA6,0xCA,0xF0, // 9
36	0x04,0x04,0x04, // 10
37	0x08,0x08,0x08, // 11
38	0x0C,0x0C,0x0C, // 12
39	0x11,0x11,0x11, // 13
40	0x16,0x16,0x16, // 14
41	0x1C,0x1C,0x1C, // 15
42	0x22,0x22,0x22, // 16
43	0x29,0x29,0x29, // 17
44	0x55,0x55,0x55, // 18
45	0x4D,0x4D,0x4D,
46	0x42,0x42,0x42,
47	0x39,0x39,0x39,
48	0x81,0x81,0x81,
49	0x81,0x00,0x00,
50	0x00,0x81,0x00,
51	0x81,0x81,0x00,
52	0x00,0x00,0x81,
53	0x81,0x00,0x81,
54	0x00,0x81,0x81,
55	0x33,0x00,0x00,
56	0x66,0x00,0x00,
57	0x99,0x00,0x00,
58	0xCC,0x00,0x00,
59	0x00,0x33,0x00,
60	0x33,0x33,0x00,
61	0x66,0x33,0x00,
62	0x99,0x33,0x00,
63	0xCC,0x33,0x00,
64	0xFF,0x33,0x00,
65	0x00,0x66,0x00,
66	0x33,0x66,0x00,
67	0x66,0x66,0x00,
68	0x99,0x66,0x00,
69	0xCC,0x66,0x00,
70	0xFF,0x66,0x00,
71	0x00,0x99,0x00,
72	0x33,0x99,0x00,
73	0x66,0x99,0x00,
74	0x99,0x99,0x00,
75	0xCC,0x99,0x00,
76	0xFF,0x99,0x00,
77	0x00,0xCC,0x00,
78	0x33,0xCC,0x00,
79	0x66,0xCC,0x00,
80	0x99,0xCC,0x00,
81	0xCC,0xCC,0x00,
82	0xFF,0xCC,0x00,
83	0x66,0xFF,0x00,
84	0x99,0xFF,0x00,
85	0xCC,0xFF,0x00,
86	0x00,0x00,0x33,
87	0x33,0x00,0x33,
88	0x66,0x00,0x33,
89	0x99,0x00,0x33,
90	0xCC,0x00,0x33,
91	0xFF,0x00,0x33,
92	0x00,0x33,0x33,
93	0x33,0x33,0x33,
94	0x66,0x33,0x33,
95	0x99,0x33,0x33,
96	0xCC,0x33,0x33,
97	0xFF,0x33,0x33,
98	0x00,0x66,0x33,
99	0x33,0x66,0x33,
100	0x66,0x66,0x33,
101	0x99,0x66,0x33,
102	0xCC,0x66,0x33,
103	0xFF,0x66,0x33,
104	0x00,0x99,0x33,
105	0x33,0x99,0x33,
106	0x66,0x99,0x33,
107	0x99,0x99,0x33,
108	0xCC,0x99,0x33,
109	0xFF,0x99,0x33,
110	0x00,0xCC,0x33,
111	0x33,0xCC,0x33,
112	0x66,0xCC,0x33,
113	0x99,0xCC,0x33,
114	0xCC,0xCC,0x33,
115	0xFF,0xCC,0x33,
116	0x33,0xFF,0x33,
117	0x66,0xFF,0x33,
118	0x99,0xFF,0x33,
119	0xCC,0xFF,0x33,
120	0xFF,0xFF,0x33,
121	0x00,0x00,0x66,
122	0x33,0x00,0x66,
123	0x66,0x00,0x66,
124	0x99,0x00,0x66,
125	0xCC,0x00,0x66,
126	0xFF,0x00,0x66,
127	0x00,0x33,0x66,
128	0x33,0x33,0x66,
129	0x66,0x33,0x66,
130	0x99,0x33,0x66,
131	0xCC,0x33,0x66,
132	0xFF,0x33,0x66,
133	0x00,0x66,0x66,
134	0x33,0x66,0x66,
135	0x66,0x66,0x66,
136	0x99,0x66,0x66,
137	0xCC,0x66,0x66,
138	0x00,0x99,0x66,
139	0x33,0x99,0x66,
140	0x66,0x99,0x66,
141	0x99,0x99,0x66,
142	0xCC,0x99,0x66,
143	0xFF,0x99,0x66,
144	0x00,0xCC,0x66,
145	0x33,0xCC,0x66,
146	0x99,0xCC,0x66,
147	0xCC,0xCC,0x66,
148	0xFF,0xCC,0x66,
149	0x00,0xFF,0x66,
150	0x33,0xFF,0x66,
151	0x99,0xFF,0x66,
152	0xCC,0xFF,0x66,
153	0xFF,0x00,0xCC,
154	0xCC,0x00,0xFF,
155	0x00,0x99,0x99,
156	0x99,0x33,0x99,
157	0x99,0x00,0x99,
158	0xCC,0x00,0x99,
159	0x00,0x00,0x99,
160	0x33,0x33,0x99,
161	0x66,0x00,0x99,
162	0xCC,0x33,0x99,
163	0xFF,0x00,0x99,
164	0x00,0x66,0x99,
165	0x33,0x33,0x99,
166	0x33,0x66,0x99,
167	0x66,0x33,0x99,
168	0x99,0x33,0x99,
169	0xCC,0x66,0x99,
170	0xFF,0x33,0x99,
171	0x33,0x99,0x99,
172	0x66,0x99,0x99,
173	0x99,0x99,0x99,
174	0xCC,0x99,0x99,
175	0xFF,0x99,0x99,
176	0x00,0xCC,0x99,
177	0x33,0xCC,0x99,
178	0x66,0xCC,0x66,
179	0x99,0xCC,0x99,
180	0xCC,0xCC,0x99,
181	0xFF,0xCC,0x99,
182	0x00,0xFF,0x99,
183	0x33,0xFF,0x99,
184	0x66,0xCC,0x99,
185	0x99,0xFF,0x99,
186	0xCC,0xFF,0x99,
187	0xFF,0xFF,0x99,
188	0x00,0x00,0xCC,
189	0x33,0x00,0x99,
190	0x66,0x00,0xCC,
191	0x99,0x00,0xCC,
192	0xCC,0x00,0xCC,
193	0x00,0x33,0x99,
194	0x33,0x33,0xCC,
195	0x66,0x33,0xCC,
196	0x99,0x33,0xCC,
197	0xCC,0x33,0xCC,
198	0xFF,0x33,0xCC,
199	0x00,0x66,0xCC,
200	0x33,0x66,0xCC,
201	0x66,0x66,0x99,
202	0x99,0x66,0xCC,
203	0xCC,0x66,0xCC,
204	0xFF,0x66,0x99,
205	0x00,0x99,0xCC,
206	0x33,0x99,0xCC,
207	0x66,0x99,0xCC,
208	0x99,0x99,0xCC,
209	0xCC,0x99,0xCC,
210	0xFF,0x99,0xCC,
211	0x00,0xCC,0xCC,
212	0x33,0xCC,0xCC,
213	0x66,0xCC,0xCC,
214	0x99,0xCC,0xCC,
215	0xCC,0xCC,0xCC,
216	0xFF,0xCC,0xCC,
217	0x00,0xFF,0xCC,
218	0x33,0xFF,0xCC,
219	0x66,0xFF,0x99,
220	0x99,0xFF,0xCC,
221	0xCC,0xFF,0xCC,
222	0xFF,0xFF,0xCC,
223	0x33,0x00,0xCC,
224	0x66,0x00,0xFF,
225	0x99,0x00,0xFF,
226	0x00,0x33,0xCC,
227	0x33,0x33,0xFF,
228	0x66,0x33,0xFF,
229	0x99,0x33,0xFF,
230	0xCC,0x33,0xFF,
231	0xFF,0x33,0xFF,
232	0x00,0x66,0xFF,
233	0x33,0x66,0xFF,
234	0x66,0x66,0xCC,
235	0x99,0x66,0xFF,
236	0xCC,0x66,0xFF,
237	0xFF,0x66,0xCC,
238	0x00,0x99,0xFF,
239	0x33,0x99,0xFF,
240	0x66,0x99,0xFF,
241	0x99,0x99,0xFF,
242	0xCC,0x99,0xFF,
243	0xFF,0x99,0xFF,
244	0x00,0xCC,0xFF,
245	0x33,0xCC,0xFF,
246	0x66,0xCC,0xFF,
247	0x99,0xCC,0xFF,
248	0xCC,0xCC,0xFF,
249	0xFF,0xCC,0xFF,
250	0x33,0xFF,0xFF,
251	0x66,0xFF,0xCC,
252	0x99,0xFF,0xFF,
253	0xCC,0xFF,0xFF,
254	0xFF,0x66,0x66,
255	0x66,0xFF,0x66,
256	0xFF,0xFF,0x66,
257	0x66,0x66,0xFF,
258	0xFF,0x66,0xFF,
259	0x66,0xFF,0xFF,
260	0xC1,0xC1,0xC1,
261	0x5F,0x5F,0x5F,
262	0x77,0x77,0x77,
263	0x86,0x86,0x86,
264	0x96,0x96,0x96,
265	0xCB,0xCB,0xCB,
266	0xB2,0xB2,0xB2,
267	0xD7,0xD7,0xD7,
268	0xDD,0xDD,0xDD,
269	0xE3,0xE3,0xE3,
270	0xEA,0xEA,0xEA,
271	0xF1,0xF1,0xF1,
272	0xF8,0xF8,0xF8,
273	0xFF,0xFB,0xF0,
274	0xA0,0xA0,0xA4,
275	0x80,0x80,0x80,
276	0xFF,0x00,0x00,
277	0x00,0xFF,0x00,
278	0xFF,0xFF,0x00,
279	0x00,0x00,0xFF,
280	0xFF,0x00,0xFF,
281	// 0x00,0xFF,0xFF,
282	0xFF,0xFF,0xFF};
283
284	WORD wDefaultPalete16[256];
285	BOOL fPalInit=FALSE;
286
287	#define CBM_CREATEDIB 0x02L /* create DIB bitmap */
288	#define BI_BITFIELDS 0x03L
289	#ifdef DEBUG
290
291	// ******************************************************************************
292	// * internal helper functions from WINE
293	// *
294
295	static void _dump_DDBLTFX(DWORD flagmask) {
296	int i;
297	const struct {
298	DWORD mask;
299	char *name;
300	} flags[] = {
301	#define FE(x) { x, #x},
302	FE(DDBLTFX_ARITHSTRETCHY)
303	FE(DDBLTFX_MIRRORLEFTRIGHT)
304	FE(DDBLTFX_MIRRORUPDOWN)
305	FE(DDBLTFX_NOTEARING)
306	FE(DDBLTFX_ROTATE180)
307	FE(DDBLTFX_ROTATE270)
308	FE(DDBLTFX_ROTATE90)
309	FE(DDBLTFX_ZBUFFERRANGE)
310	FE(DDBLTFX_ZBUFFERBASEDEST)
311	};
312	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
313	if (flags[i].mask & flagmask) {
314	WriteLog("%s ",flags[i].name);
315	};
316	WriteLog("\n");
317
318	}
319
320	static void _dump_DDBLTFAST(DWORD flagmask) {
321	int i;
322	const struct {
323	DWORD mask;
324	char *name;
325	} flags[] = {
326	#define FE(x) { x, #x},
327	FE(DDBLTFAST_NOCOLORKEY)
328	FE(DDBLTFAST_SRCCOLORKEY)
329	FE(DDBLTFAST_DESTCOLORKEY)
330	FE(DDBLTFAST_WAIT)
331	};
332	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
333	if (flags[i].mask & flagmask)
334	WriteLog("%s ",flags[i].name);
335	WriteLog("\n");
336	}
337
338	static void _dump_DDBLT(DWORD flagmask) {
339	int i;
340	const struct {
341	DWORD mask;
342	char *name;
343	} flags[] = {
344	#define FE(x) { x, #x},
345	FE(DDBLT_ALPHADEST)
346	FE(DDBLT_ALPHADESTCONSTOVERRIDE)
347	FE(DDBLT_ALPHADESTNEG)
348	FE(DDBLT_ALPHADESTSURFACEOVERRIDE)
349	FE(DDBLT_ALPHAEDGEBLEND)
350	FE(DDBLT_ALPHASRC)
351	FE(DDBLT_ALPHASRCCONSTOVERRIDE)
352	FE(DDBLT_ALPHASRCNEG)
353	FE(DDBLT_ALPHASRCSURFACEOVERRIDE)
354	FE(DDBLT_ASYNC)
355	FE(DDBLT_COLORFILL)
356	FE(DDBLT_DDFX)
357	FE(DDBLT_DDROPS)
358	FE(DDBLT_KEYDEST)
359	FE(DDBLT_KEYDESTOVERRIDE)
360	FE(DDBLT_KEYSRC)
361	FE(DDBLT_KEYSRCOVERRIDE)
362	FE(DDBLT_ROP)
363	FE(DDBLT_ROTATIONANGLE)
364	FE(DDBLT_ZBUFFER)
365	FE(DDBLT_ZBUFFERDESTCONSTOVERRIDE)
366	FE(DDBLT_ZBUFFERDESTOVERRIDE)
367	FE(DDBLT_ZBUFFERSRCCONSTOVERRIDE)
368	FE(DDBLT_ZBUFFERSRCOVERRIDE)
369	FE(DDBLT_WAIT)
370	FE(DDBLT_DEPTHFILL)
371	};
372	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
373	if (flags[i].mask & flagmask)
374	WriteLog("%s ",flags[i].name);
375	WriteLog("\n");
376	}
377
378	static void _dump_DDSCAPS(DWORD flagmask) {
379	int i;
380	const struct {
381	DWORD mask;
382	char *name;
383	} flags[] = {
384	#define FE(x) { x, #x},
385	FE(DDSCAPS_RESERVED1)
386	FE(DDSCAPS_ALPHA)
387	FE(DDSCAPS_BACKBUFFER)
388	FE(DDSCAPS_COMPLEX)
389	FE(DDSCAPS_FLIP)
390	FE(DDSCAPS_FRONTBUFFER)
391	FE(DDSCAPS_OFFSCREENPLAIN)
392	FE(DDSCAPS_OVERLAY)
393	FE(DDSCAPS_PALETTE)
394	FE(DDSCAPS_PRIMARYSURFACE)
395	FE(DDSCAPS_PRIMARYSURFACELEFT)
396	FE(DDSCAPS_SYSTEMMEMORY)
397	FE(DDSCAPS_TEXTURE)
398	FE(DDSCAPS_3DDEVICE)
399	FE(DDSCAPS_VIDEOMEMORY)
400	FE(DDSCAPS_VISIBLE)
401	FE(DDSCAPS_WRITEONLY)
402	FE(DDSCAPS_ZBUFFER)
403	FE(DDSCAPS_OWNDC)
404	FE(DDSCAPS_LIVEVIDEO)
405	FE(DDSCAPS_HWCODEC)
406	FE(DDSCAPS_MODEX)
407	FE(DDSCAPS_MIPMAP)
408	FE(DDSCAPS_RESERVED2)
409	FE(DDSCAPS_ALLOCONLOAD)
410	FE(DDSCAPS_VIDEOPORT)
411	FE(DDSCAPS_LOCALVIDMEM)
412	FE(DDSCAPS_NONLOCALVIDMEM)
413	FE(DDSCAPS_STANDARDVGAMODE)
414	FE(DDSCAPS_OPTIMIZED)
415	};
416	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
417	if (flags[i].mask & flagmask)
418	WriteLog("%s ",flags[i].name);
419	WriteLog("\n");
420	}
421
422	static void _dump_DDSCAPS2(DWORD flagmask) {
423	int i;
424	const struct {
425	DWORD mask;
426	char *name;
427	} flags[] = {
428	#define FE(x) { x, #x},
429	FE(DDSCAPS2_HARDWAREDEINTERLACE)
430	FE(DDSCAPS2_HINTANTIALIASING)
431	FE(DDSCAPS2_HINTDYNAMIC)
432	FE(DDSCAPS2_HINTSTATIC)
433	FE(DDSCAPS2_OPAQUE)
434	FE(DDSCAPS2_TEXTUREMANAGE)
435	};
436	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
437	if (flags[i].mask & flagmask)
438	WriteLog("%s ",flags[i].name);
439	WriteLog("\n");
440	}
441
442
443	static void _dump_DDSD(DWORD flagmask) {
444	int i;
445	const struct {
446	DWORD mask;
447	char *name;
448	} flags[] = {
449	FE(DDSD_CAPS)
450	FE(DDSD_HEIGHT)
451	FE(DDSD_WIDTH)
452	FE(DDSD_PITCH)
453	FE(DDSD_BACKBUFFERCOUNT)
454	FE(DDSD_ZBUFFERBITDEPTH)
455	FE(DDSD_ALPHABITDEPTH)
456	FE(DDSD_PIXELFORMAT)
457	FE(DDSD_CKDESTOVERLAY)
458	FE(DDSD_CKDESTBLT)
459	FE(DDSD_CKSRCOVERLAY)
460	FE(DDSD_CKSRCBLT)
461	FE(DDSD_MIPMAPCOUNT)
462	FE(DDSD_REFRESHRATE)
463	FE(DDSD_LINEARSIZE)
464	FE(DDSD_LPSURFACE)
465	FE(DDSD_TEXTURESTAGE)
466	};
467	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
468	if (flags[i].mask & flagmask)
469	WriteLog("%s ",flags[i].name);
470	WriteLog("\n");
471	}
472
473	static void _dump_DDCOLORKEY(DWORD flagmask) {
474	int i;
475	const struct {
476	DWORD mask;
477	char *name;
478	} flags[] = {
479	#define FE(x) { x, #x},
480	FE(DDPF_ALPHAPIXELS)
481	FE(DDPF_ALPHA)
482	FE(DDPF_FOURCC)
483	FE(DDPF_PALETTEINDEXED4)
484	FE(DDPF_PALETTEINDEXEDTO8)
485	FE(DDPF_PALETTEINDEXED8)
486	FE(DDPF_RGB)
487	FE(DDPF_COMPRESSED)
488	FE(DDPF_RGBTOYUV)
489	FE(DDPF_YUV)
490	FE(DDPF_ZBUFFER)
491	FE(DDPF_PALETTEINDEXED1)
492	FE(DDPF_PALETTEINDEXED2)
493	FE(DDPF_ZPIXELS)
494	};
495	for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
496	if (flags[i].mask & flagmask)
497	WriteLog("%s ",flags[i].name);
498	WriteLog("\n");
499	}
500
501	static void _dump_pixelformat(LPDDPIXELFORMAT pf) {
502	_dump_DDCOLORKEY(pf->dwFlags);
503	WriteLog("dwFourCC : %ld\n", pf->dwFourCC);
504	WriteLog("RBG bit cbout : %ld\n", pf->dwRGBBitCount);
505	WriteLog("Masks : R %08lx G %08lx B %08lx A %08lx\n",
506	pf->dwRBitMask, pf->dwGBitMask, pf->dwBBitMask, pf->dwRGBAlphaBitMask);
507	}
508
509	// End of Internal Helpers
510	#endif
511
512	//******************************************************************************
513	//******************************************************************************
514	OS2IDirectDrawSurface::OS2IDirectDrawSurface(OS2IDirectDraw *lpDirectDraw,
515	LPDDSURFACEDESC2 lpDDSurfaceDesc, BOOL Implicit, BOOL Mainchain) :
516	Referenced(0), lastError(DD_OK),
517	diveBufNr(-1), lpClipper(NULL),
518	lpPalette(NULL), lpDraw(NULL),
519	fLocked(FALSE), hdcImage(NULL),
520	hbmImage(NULL),
521	pFrameBuffer(NULL),Updated(FALSE),
522	fOverlayValid(FALSE),
523	BackBuffer(NULL),FrontBuffer(NULL)
524
525	{
526	ULONG rc;
527	DWORD i;
528	DIVE_CAPS dCaps;
529	DDSURFACEDESC2 ComplexSurfaceDesc;
530	OS2IDirectDrawSurface *AttachedSurface;
531	OS2IDirectDrawSurface *MipMapSurface;
532
533	lpVtbl = &Vtbl;
534	Vtbl.AddRef = SurfAddRef;
535	Vtbl.Release = SurfRelease;
536	Vtbl.QueryInterface = SurfQueryInterface;
537	Vtbl.AddAttachedSurface = SurfAddAttachedSurface4;
538	Vtbl.AddOverlayDirtyRect = SurfAddOverlayDirtyRect;
539	Vtbl.Blt = SurfBlt4;
540	Vtbl.BltBatch = SurfBltBatch;
541	Vtbl.BltFast = SurfBltFast4;
542	Vtbl.DeleteAttachedSurface = SurfDeleteAttachedSurface4;
543	Vtbl.EnumAttachedSurfaces = SurfEnumAttachedSurfaces4;
544	Vtbl.EnumOverlayZOrders = SurfEnumOverlayZOrders4;
545	Vtbl.Flip = SurfFlip4;
546	Vtbl.GetAttachedSurface = SurfGetAttachedSurface4;
547	Vtbl.GetBltStatus = SurfGetBltStatus;
548	Vtbl.GetCaps = SurfGetCaps4;
549	Vtbl.GetClipper = SurfGetClipper;
550	Vtbl.GetColorKey = SurfGetColorKey;
551	Vtbl.GetDC = SurfGetDC;
552	Vtbl.GetFlipStatus = SurfGetFlipStatus;
553	Vtbl.GetOverlayPosition = SurfGetOverlayPosition;
554	Vtbl.GetPalette = SurfGetPalette;
555	Vtbl.GetPixelFormat = SurfGetPixelFormat;
556	Vtbl.GetSurfaceDesc = SurfGetSurfaceDesc4;
557	Vtbl.Initialize = SurfInitialize4;
558	Vtbl.IsLost = SurfIsLost;
559	Vtbl.Lock = SurfLock4;
560	Vtbl.ReleaseDC = SurfReleaseDC;
561	Vtbl.Restore = SurfRestore;
562	Vtbl.SetClipper = SurfSetClipper;
563	Vtbl.SetColorKey = SurfSetColorKey;
564	Vtbl.SetOverlayPosition = SurfSetOverlayPosition;
565	Vtbl.SetPalette = SurfSetPalette;
566	Vtbl.Unlock = SurfUnlock4;
567	Vtbl.UpdateOverlay = SurfUpdateOverlay4;
568	Vtbl.UpdateOverlayDisplay = SurfUpdateOverlayDisplay;
569	Vtbl.UpdateOverlayZOrder = SurfUpdateOverlayZOrder4;
570	Vtbl.GetDDInterface = SurfGetDDInterface;
571	Vtbl.PageLock = SurfPageLock;
572	Vtbl.PageUnlock = SurfPageUnlock;
573	Vtbl.SetSurfaceDesc = SurfSetSurfaceDesc4;
574	Vtbl.SetPrivateData = SurfSetPrivateData;
575	Vtbl.GetPrivateData = SurfGetPrivateData;
576	Vtbl.FreePrivateData = SurfFreePrivateData;
577	Vtbl.ChangeUniquenessValue = SurfChangeUniquenessValue;
578	Vtbl.GetUniquenessValue = SurfGetUniquenessValue;
579	lpDraw = lpDirectDraw;
580	lpDraw->Vtbl.AddRef(lpDraw);
581
582	ImplicitSurface = Implicit;
583
584	hDive = lpDirectDraw->GetDiveInstance();
585	hDiveCC = lpDirectDraw->GetCCDiveInstance();
586	surfaceType = DDSCAPS_OFFSCREENPLAIN;
587	memcpy((char )&DDSurfaceDesc, (char )lpDDSurfaceDesc, sizeof(DDSURFACEDESC2));
588
589	if(lpDraw->dCaps.ulDepth != 15)
590	{
591	if(lpDraw->dCaps.ulDepth >= 8)
592	dwBytesPPDive = lpDraw->dCaps.ulDepth >> 3;
593	else
594	dwBytesPPDive = 1; // not sure if this is the case
595	}
596	else
597	dwBytesPPDive = 2; // 2 bytes for 15Bit
598
599	// Setting up Cursors for handling attached Surfaces
600
601	DPA_SurfaceMipMaps = DPA_Create(8);
602	if(NULL==DPA_SurfaceMipMaps)
603	{
604	#ifdef DEBUG
605	WriteLog("Internal : Error creating DPA for MipMaps\n");
606	#endif
607	lastError = DDERR_OUTOFMEMORY ;
608	return;
609	}
610
611	DPA_SurfaceAttached = DPA_Create(8);
612	if(NULL==DPA_SurfaceAttached)
613	{
614	#ifdef DEBUG
615	WriteLog("Internal : Error creating DPA for attached surfaces\n");
616	#endif
617	lastError = DDERR_OUTOFMEMORY ;
618	return;
619	}
620
621	DPA_LockedRects = DPA_Create(8);
622	if(NULL==DPA_LockedRects)
623	{
624	#ifdef DEBUG
625	WriteLog("Internal : Error creating DPA for Locked Rectangles\n");
626	#endif
627	lastError = DDERR_OUTOFMEMORY ;
628	return;
629	}
630
631	DPA_SurfacePrivateData = DPA_Create(8);
632	if(NULL==DPA_SurfacePrivateData)
633	{
634	#ifdef DEBUG
635	WriteLog("Internal : Error creating DPA for priva surface Data\n");
636	#endif
637	lastError = DDERR_OUTOFMEMORY ;
638	return;
639	}
640
641	if( lpDDSurfaceDesc->dwFlags & DDSD_CAPS )
642	{
643	// First check if we want to create a primary surface while the ddraw object already has one
644	surfaceType = lpDDSurfaceDesc->ddsCaps.dwCaps;
645
646	if( surfaceType & DDSCAPS_PRIMARYSURFACE)
647	{
648	#ifdef DEBUG
649	WriteLog("Primary surface!\n");
650	#endif
651
652	if( lpDraw->HasPrimarySurface())
653	{
654	#ifdef DEBUG
655	WriteLog("Primary surface already exits!\n");
656	#endif
657	lastError = DDERR_PRIMARYSURFACEALREADYEXISTS;
658	return;
659	}
660
661	if( (lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT) \|\|
662	(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH) \|\|
663	(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)
664	)
665	{
666	// Dx doc says passing width,height etc. for primary surface in not permitted!!
667	WriteLog("Invalid parameters\n\n");
668	lastError = DDERR_INVALIDPARAMS;
669	return;
670	}
671
672	// Check if OS/2 is running in the requested colormode
673
674	diveBufNr = DIVE_BUFFER_SCREEN;
675	if( lpDraw->dCaps.ulDepth == lpDraw->GetScreenBpp() )
676	{
677	WriteLog("DirectScreenAccess possible\n");
678
679	// Yes so direct access to framebuffer is possible
680
681	pFrameBuffer = lpDraw->GetFrameBuffer();
682	pDiveBuffer = pFrameBuffer;
683	dwPitchDB = lpDraw->dCaps.ulScanLineBytes;
684	dwPitchFB = dwPitchDB;
685	DDSurfaceDesc.lPitch = dwPitchDB;
686	}
687	else
688	{
689	// No so we create a virtual framebuffer which the program can access
690	// and blit to the real framebuffer on Unlock to do color conversion
691
692	WriteLog( "Need Color conversation %d => %d Bit\n",
693	lpDraw->GetScreenBpp(),
694	lpDraw->dCaps.ulDepth
695	);
696
697	dwPitchFB = (lpDraw->GetScreenWidth() * lpDraw->GetScreenBpp() +7) & ~7;
698	DDSurfaceDesc.lPitch = dwPitchFB;
699
700	// 24 byte more to enable alignment and speed up blitting
701
702	pFBreal = (char)malloc( lpDraw->GetScreenHeight() dwPitchFB + 24);
703	pFrameBuffer = (char*)(((int)pFBreal + 7) & ~7); // align to QWORD
704
705	// DiveBuffer points to real framebuffer
706	dwPitchDB = lpDraw->dCaps.ulScanLineBytes;
707	pDiveBuffer = lpDraw->GetFrameBuffer();
708
709	}
710
711	// Update passed in and local Surface description
712
713	#ifdef DEBUG
714	WriteLog("Setting up Surface\n");
715	#endif
716	DDSurfaceDesc.dwFlags \|= DDSD_WIDTH \| DDSD_HEIGHT \|
717	DDSD_PITCH \| DDSD_LPSURFACE \|
718	DDSD_PIXELFORMAT;
719	DDSurfaceDesc.dwHeight = lpDraw->GetScreenHeight();
720	DDSurfaceDesc.dwWidth = lpDraw->GetScreenWidth();
721	DDSurfaceDesc.lpSurface = pFrameBuffer;
722	lpDDSurfaceDesc->dwFlags = DDSurfaceDesc.dwFlags;
723	lpDDSurfaceDesc->dwHeight = DDSurfaceDesc.dwHeight;
724	lpDDSurfaceDesc->dwWidth = DDSurfaceDesc.dwWidth;
725	lpDDSurfaceDesc->lpSurface = pFrameBuffer;
726	lpDDSurfaceDesc->lPitch = DDSurfaceDesc.lPitch;
727
728	lpDDSurfaceDesc->ddsCaps.dwCaps \|= DDSCAPS_VISIBLE;
729	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_VISIBLE;
730	lpDraw->SetPrimarySurface(TRUE);
731	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
732	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
733	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = lpDraw->GetScreenBpp();
734	DDSurfaceDesc.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
735	DDSurfaceDesc.ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
736	DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount = lpDraw->GetScreenBpp();
737
738	switch(DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
739	{
740	case 4:
741	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
742	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
743	break;
744	case 8:
745	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
746	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
747	break;
748	case 16:
749	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
750	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
751	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
752	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
753	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
754	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x0000F800;
755	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x000007E0;
756	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x0000001F;
757	break;
758	case 24:
759	case 32:
760	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
761	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
762	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
763	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
764	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
765	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
766	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
767	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x000000FF;
768	break;
769	default:
770	// Remove the Pixelformat flag
771	lpDDSurfaceDesc->dwFlags &= ~DDSD_PIXELFORMAT;
772	DDSurfaceDesc.dwFlags &= ~DDSD_PIXELFORMAT;
773	#ifdef DEBUG
774	WriteLog("Unexpected BitDepth : %d\n",lpDraw->GetScreenBpp());
775	#endif
776	break;
777	} // end switch
778
779	#ifdef DEBUG
780	WriteLog("Surface set up, checking other Caps\n");
781	#endif
782
783	if( DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_COMPLEX)
784	{
785	#ifdef DEBUG
786	WriteLog("Complex Surface\n");
787	#endif
788
789	if(lpDDSurfaceDesc->dwFlags & DDSD_BACKBUFFERCOUNT)
790	{
791	#ifdef DEBUG
792	WriteLog("Backbuffer # = %d\n",lpDDSurfaceDesc->dwBackBufferCount);
793	#endif
794	memset( &ComplexSurfaceDesc,
795	0,
796	sizeof(DDSURFACEDESC2));
797
798	ComplexSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
799	ComplexSurfaceDesc.dwFlags = DDSD_CAPS \|
800	DDSD_WIDTH \|
801	DDSD_HEIGHT \|
802	DDSD_PIXELFORMAT;
803	ComplexSurfaceDesc.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER \| DDSCAPS_FLIP;
804	ComplexSurfaceDesc.dwHeight = DDSurfaceDesc.dwHeight;
805	ComplexSurfaceDesc.dwWidth = DDSurfaceDesc.dwWidth;
806	ComplexSurfaceDesc.ddpfPixelFormat.dwFlags = DDSurfaceDesc.ddpfPixelFormat.dwFlags;
807	ComplexSurfaceDesc.ddpfPixelFormat.dwRBitMask = DDSurfaceDesc.ddpfPixelFormat.dwRBitMask;
808	ComplexSurfaceDesc.ddpfPixelFormat.dwGBitMask = DDSurfaceDesc.ddpfPixelFormat.dwGBitMask;
809	ComplexSurfaceDesc.ddpfPixelFormat.dwBBitMask = DDSurfaceDesc.ddpfPixelFormat.dwBBitMask;
810	ComplexSurfaceDesc.ddpfPixelFormat.dwRGBBitCount = DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
811
812	if(lpDDSurfaceDesc->dwBackBufferCount>1)
813	{
814	ComplexSurfaceDesc.dwFlags \|=DDSD_BACKBUFFERCOUNT;
815	ComplexSurfaceDesc.dwBackBufferCount = lpDDSurfaceDesc->dwBackBufferCount -1;
816	ComplexSurfaceDesc.ddsCaps.dwCaps\|= DDSCAPS_COMPLEX;
817	}
818
819	BackBuffer = new OS2IDirectDrawSurface(lpDraw, &ComplexSurfaceDesc, TRUE, TRUE);
820
821	if (BackBuffer->GetLastError()==DD_OK)
822	{
823	WriteLog("created backbuffer");
824	// Our Primary Buffer is also the frontbuffer of a flipchain
825	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER \| DDSCAPS_FLIP;
826	lpDDSurfaceDesc->ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER \| DDSCAPS_FLIP;
827	BackBuffer->SetFrontBuffer(this);
828	}
829	else
830	{
831	WriteLog("Error creating backbuffer");
832	}
833	}
834	else
835	{
836	#ifdef DEBUG
837	WriteLog("Unsupported Complex Surface\n");
838	_dump_DDSCAPS(lpDDSurfaceDesc->dwFlags);
839	#endif
840	lastError = DDERR_OUTOFMEMORY;
841	return;
842	} //endif Backbuffer
843	} // endif DDSCAPS_COMPLEX
844
845	width = DDSurfaceDesc.dwWidth;
846	height = DDSurfaceDesc.dwHeight;
847
848	lpDraw->pPrimSurf = this;
849
850	lastError = DD_OK;
851	return;
852	} // endif DDSCAPS_PRIMARYSURFACE
853
854	//
855	// ToDo : Do better calulation of Bitmap Size to support the compressed Bitmaps in Dx6
856	//
857
858	if( (DDSurfaceDesc.dwFlags & DDSD_HEIGHT) &&
859	(DDSurfaceDesc.dwFlags & DDSD_WIDTH)
860	)
861
862	{
863	DWORD dwBpp;
864	DWORD dwCaps;
865	WriteLog( " Requested Size %dx%d\n",
866	DDSurfaceDesc.dwWidth,
867	DDSurfaceDesc.dwHeight);
868
869	if(DDSurfaceDesc.dwFlags & DDSD_PIXELFORMAT) // Pixelformat passed in ?
870	{
871	WriteLog(" Pixelformat requested :");
872	// YES use it
873	if(DDSurfaceDesc.ddpfPixelFormat.dwFlags & DDPF_RGB)
874	{
875	dwBpp = DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
876	}
877	else
878	{
879	if(DDSurfaceDesc.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8)
880	dwBpp = 8;
881	if(DDSurfaceDesc.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED4)
882	dwBpp = 4;
883	}
884	}
885	else
886	{
887	WriteLog(" Use Screen Format :");
888	dwBpp = lpDraw->GetScreenBpp(); // No use Screenformat
889	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
890	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
891	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = dwBpp;
892	DDSurfaceDesc.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
893	DDSurfaceDesc.ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
894	DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount = dwBpp;
895	switch(DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
896	{
897	case 4:
898	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
899	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
900	break;
901	case 8:
902	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
903	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
904	break;
905	case 16:
906	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
907	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
908	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
909	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
910	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
911	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x0000F800;
912	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x000007E0;
913	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x0000001F;
914	break;
915	case 24:
916	case 32:
917	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
918	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
919	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
920	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
921	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
922	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
923	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
924	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x000000FF;
925	break;
926	default:
927	// Remove the Pixelformat flag
928	lpDDSurfaceDesc->dwFlags &= ~DDSD_PIXELFORMAT;
929	DDSurfaceDesc.dwFlags &= ~DDSD_PIXELFORMAT;
930	#ifdef DEBUG
931	WriteLog("Unexpected BitDepth : %d\n",lpDraw->GetScreenBpp());
932	#endif
933	break;
934	} // end switch
935
936	}
937
938	WriteLog("%d Bits\n",dwBpp);
939
940	// three possible situaltions
941	// 1. User supplied pointer to surface -> use it
942	// 2. Delayed allocation of a texture -> don't alloc
943	// 3. Normal allocation
944	// After this check for complex flag.
945
946	dwCaps = DDSurfaceDesc.ddsCaps.dwCaps;
947
948	if(DDSurfaceDesc.dwFlags & DDSD_LPSURFACE)
949	{
950	// 1.
951
952	WriteLog(" Usersupplied Surface\n");
953
954	if(NULL==DDSurfaceDesc.lpSurface)
955	{
956	// pointer is NULL! Stupid user ;)
957	lastError = DDERR_INVALIDPARAMS;
958	return;
959	}
960
961	// User allocated the Buffer for the surface so we don't have to
962
963	Updated = TRUE; // Set Flag to indicate User supplied buffer so we don't free it
964
965	// As we allready copied the surface description we are done if the # of colors
966	// of the surface is the same then the screen
967
968	pFrameBuffer = (char*)DDSurfaceDesc.lpSurface;
969	diveBufNr = -1;
970	dwPitchFB = DDSurfaceDesc.lPitch;
971
972	if( lpDraw->dCaps.ulDepth == dwBpp )
973	{
974	// Yes No Colorconversion is needed so point to the same buffer
975	dwPitchDB = dwPitchFB;
976	pDiveBuffer = pFrameBuffer;
977	}
978	else
979	{
980	// No so we must create the Divebuffer to do the color conversion
981	// and blit to the real framebuffer on Unlock to do color conversion
982
983	dwPitchDB = (lpDDSurfaceDesc->dwWidth * dwBytesPPDive +7) & ~7;
984
985	// 24 byte more to enable alignment and speed up blitting
986
987	pDBreal = (char)malloc( lpDDSurfaceDesc->dwHeight dwPitchDB + 24);
988	pDiveBuffer = (char*)(((int)pDBreal + 7) & ~7); // align to QWORD
989
990	// Not sure if that is ok but we need this for translation
991	// I hope no game uses YUV or such a crap
992
993	DDSurfaceDesc.ddpfPixelFormat.dwFourCC = SupportedFourCCs[dwBpp>>3];
994	}
995
996	}
997	else
998	{
999
1000	if(dwCaps & DDSCAPS_ALLOCONLOAD)
1001	{
1002	// 2.
1003
1004	WriteLog(" Alloc on Load Texture?!\n");
1005
1006	dwCaps &= ~DDSCAPS_ALLOCONLOAD; // remove flag
1007
1008	// only allow this flag for textures
1009	if(!dwCaps & DDSCAPS_TEXTURE)
1010	{
1011	lastError = DDERR_INVALIDPARAMS;
1012	return;
1013	}
1014
1015	dwCaps &= ~DDSCAPS_TEXTURE; // remove flag
1016	pFrameBuffer = NULL;
1017	pDiveBuffer = NULL;
1018
1019	// This surface isn't allocated yet, but when the texture is loaded
1020	#ifdef DEBUG
1021	WriteLog("Warning : Delayed memory allocation on request\n");
1022	#endif
1023	DDSurfaceDesc.lpSurface = NULL;
1024	lpDDSurfaceDesc->lpSurface = NULL;
1025	}
1026	else
1027	{
1028	// 3.
1029
1030	WriteLog(" Alloc now!\n");
1031
1032	lpDDSurfaceDesc->dwFlags \|= DDSD_PITCH\|DDSD_LPSURFACE;
1033	DDSurfaceDesc.dwFlags = lpDDSurfaceDesc->dwFlags;
1034
1035	dwPitchFB = lpDDSurfaceDesc->dwWidth * (dwBpp<8?1:dwBpp/8);
1036	dwPitchFB = (dwPitchFB +7) & ~7; // Align on QWords
1037	DDSurfaceDesc.lPitch = dwPitchFB;
1038	lpDDSurfaceDesc->lPitch = dwPitchFB;
1039
1040	#ifdef DEBUG
1041	if(dwBpp<8)
1042	{
1043	WriteLog("1 or 4 Bit Surface encountered may not work !");
1044	}
1045	#endif
1046
1047
1048	// 24 byte more to enable alignment and speed up blitting
1049
1050	pFBreal = (char)malloc( lpDDSurfaceDesc->dwHeight dwPitchFB + 24);
1051
1052	if(NULL==pFBreal)
1053	{
1054	lastError = DDERR_OUTOFMEMORY;
1055	return;
1056	}
1057
1058	pFrameBuffer = (char*)(((int)pFBreal + 7) & ~7); // align to QWORD
1059
1060	WriteLog( " Framebuffer @ %08X QWAligned @ %08X with a Pitch of %d\n",
1061	pFBreal, pFrameBuffer, dwPitchFB);
1062
1063	lpDDSurfaceDesc->lpSurface = pFrameBuffer;
1064	DDSurfaceDesc.lpSurface = pFrameBuffer;
1065
1066
1067	if( (lpDraw->dCaps.ulDepth ) == dwBpp )
1068	{
1069	WriteLog(" No CC_Buffer needed\n");
1070	// Yes => No Colorconversion is needed so point to the same buffer
1071	pDiveBuffer = pFrameBuffer;
1072	}
1073	else
1074	{
1075	WriteLog(" Alloc CCBuf ");
1076	dwPitchDB = (lpDDSurfaceDesc->dwWidth * (lpDraw->dCaps.ulDepth/8) +7) & ~7;
1077	if(Mainchain)
1078	{
1079	WriteLog("with DIVE\n");
1080	// This surface is part of flipchain with the primary surface use dive to assoc memory
1081	pDiveBuffer = (char)malloc( lpDDSurfaceDesc->dwHeight
1082	dwPitchDB);
1083	diveBufNr = 0;
1084	rc = DiveAllocImageBuffer( hDive,
1085	&diveBufNr,
1086	lpDraw->dCaps.fccColorEncoding,
1087	lpDDSurfaceDesc->dwWidth,
1088	lpDDSurfaceDesc->dwHeight,
1089	dwPitchDB,
1090	(PBYTE)pDiveBuffer);
1091	WriteLog("rc = 0x%08X\n",rc);
1092	}
1093	else
1094	{
1095	WriteLog( "with malloc (%dx%d) Pitch %d ",
1096	lpDDSurfaceDesc->dwHeight,
1097	lpDDSurfaceDesc->dwWidth,
1098	dwPitchDB);
1099	// No so we must create the Divebuffer to do the colortranslation
1100	// and blit to the real framebuffer on Unlock to do color conversion
1101	pDiveBuffer = (char)malloc( lpDDSurfaceDesc->dwHeight
1102	dwPitchDB);
1103	}
1104	WriteLog( " @ %08X\n", pDiveBuffer);
1105	}
1106
1107	} // end of 3rd case
1108	} // End of alloc surfaces
1109
1110	width = DDSurfaceDesc.dwWidth;
1111	height = DDSurfaceDesc.dwHeight;
1112
1113	if( dwCaps & DDSCAPS_COMPLEX)
1114	{
1115	// remove the flag
1116	dwCaps &= ~DDSCAPS_COMPLEX;
1117	#ifdef DEBUG
1118	WriteLog("Complex Surface\n");
1119	#endif
1120
1121	if(lpDDSurfaceDesc->dwFlags & DDSD_BACKBUFFERCOUNT)
1122	{
1123	lpDDSurfaceDesc->dwFlags &= ~DDSD_BACKBUFFERCOUNT;
1124	#ifdef DEBUG
1125	WriteLog("Backbuffer # = %d\n",lpDDSurfaceDesc->dwBackBufferCount);
1126	#endif
1127	memcpy(&ComplexSurfaceDesc,lpDDSurfaceDesc,sizeof(DDSURFACEDESC2));
1128	ComplexSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP; // set flip
1129	ComplexSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_BACKBUFFER; // remove backbuffer
1130
1131	if(ComplexSurfaceDesc.dwBackBufferCount>1)
1132	{
1133	ComplexSurfaceDesc.dwBackBufferCount--;
1134	}
1135	else
1136	{
1137	ComplexSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
1138	ComplexSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_COMPLEX;
1139	}
1140
1141	BackBuffer = new OS2IDirectDrawSurface(lpDraw, &ComplexSurfaceDesc, TRUE, Mainchain);
1142	if (BackBuffer->GetLastError()==DD_OK)
1143	{
1144	DDSurfaceDesc.dwFlags \|= DDSCAPS_FLIP;
1145	BackBuffer->SetFrontBuffer(this);
1146	}
1147
1148	}
1149
1150	// MipMap Surfaces are handled here
1151	if( (lpDDSurfaceDesc->dwFlags & DDSD_MIPMAPCOUNT) &&
1152	(dwCaps & DDSCAPS_TEXTURE) &&
1153	(dwCaps & DDSCAPS_MIPMAP) )
1154	{
1155	dwCaps &= ~ (DDSCAPS_TEXTURE \| DDSCAPS_MIPMAP);
1156
1157	lpDDSurfaceDesc->dwFlags &= ~DDSD_MIPMAPCOUNT;
1158	#ifdef DEBUG
1159	WriteLog("Mipmpa # = %d\n",lpDDSurfaceDesc->dwMipMapCount);
1160	#endif
1161	memcpy(&ComplexSurfaceDesc,lpDDSurfaceDesc,sizeof(DDSURFACEDESC2));
1162	ComplexSurfaceDesc.dwMipMapCount = 0;
1163
1164	for(int i =0; i < lpDDSurfaceDesc->dwMipMapCount; i++)
1165	{
1166	#ifdef DEBUG
1167	WriteLog("Creating MipMap %d\n",i);
1168	#endif
1169	// Mpmaps shirnk by 2
1170	ComplexSurfaceDesc.dwWidth /= 2;
1171	ComplexSurfaceDesc.dwHeight /= 2;
1172
1173	MipMapSurface = new OS2IDirectDrawSurface(lpDraw, &ComplexSurfaceDesc, TRUE);
1174
1175	DPA_InsertPtr( DPA_SurfaceMipMaps,
1176	DPA_GetPtrCount(DPA_SurfaceMipMaps),
1177	MipMapSurface);
1178
1179	if(MipMapSurface->GetLastError() != DD_OK)
1180	{
1181	lastError = MipMapSurface->GetLastError();
1182	#ifdef DEBUG
1183	WriteLog("Attached surface creation returned error %d\n",lastError);
1184	#endif
1185	return;
1186	} // Endif Errorcheck
1187	} //End for(i =0; i < lpDDSurfaceDesc->dwMipMapCount; i++)
1188	} // End of MipMaps
1189
1190	#ifdef DEBUG
1191	if(lpDDSurfaceDesc->dwFlags)
1192	WriteLog("Unsupported Complex Surface\n");
1193	#endif
1194	} // Endif DDSCAPS_COMPLEX
1195	}
1196	else
1197	{
1198	lastError = DDERR_INVALIDPARAMS;
1199	}
1200	} // Endif DDCAPS is valid
1201	else
1202	{
1203	WriteLog("CAPS not valid\n");
1204	lastError = DDERR_INVALIDPARAMS;
1205	}
1206	#ifdef DEBUG
1207	WriteLog("Buf %X Screen Caps (%d,%d), bitcount %d\n\n", this, lpDraw->GetScreenHeight(), lpDraw->GetScreenWidth(),
1208	lpDraw->dCaps.ulDepth);
1209	if(DD_OK!=lastError)
1210	{
1211	WriteLog("Some Error Check Flags\n");
1212	_dump_DDSCAPS(lpDDSurfaceDesc->dwFlags);
1213	}
1214	#endif
1215	}
1216	//******************************************************************************
1217	//******************************************************************************
1218	HRESULT OS2IDirectDrawSurface::ColorFill(LPRECT lpDestRect,DWORD dwFillColor)
1219	{
1220
1221	int i,j, FillWidth, FillHeight;
1222	char pLine, pFillPos;
1223
1224	DWORD *pColor, dwColor,y;
1225	DWORD *pPal24;
1226	WORD *pPal16;
1227	#ifdef DEBUG
1228	WriteLog("ColorFill with %08X\n", dwFillColor);
1229	#endif
1230
1231	if(NULL!=lpDestRect)
1232	{
1233	#ifdef DEBUG
1234	WriteLog("Fill only Rect(%d,%d)(%d,%d)\n", lpDestRect->left, lpDestRect->top,
1235	lpDestRect->right, lpDestRect->bottom);
1236	#endif
1237	FillWidth = lpDestRect->right - lpDestRect->left;
1238	FillHeight = lpDestRect->bottom - lpDestRect->top -1;
1239	pLine = pDiveBuffer +
1240	(lpDestRect->top*dwPitchDB) +
1241	(lpDestRect->left*dwBytesPPDive);
1242	}
1243	else
1244	{
1245	WriteLog("Fill all at addr ");
1246	FillWidth = width;
1247	FillHeight = height -1;
1248	pLine = pDiveBuffer;
1249	}
1250	WriteLog("0x%08X (%d/%d) at\n", pLine,FillWidth,FillHeight);
1251
1252	if(pDiveBuffer!=pFrameBuffer)
1253	{
1254	if( (NULL== lpDraw->pPrimSurf) \|\|
1255	(NULL== ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette) )
1256	{
1257	if(!fPalInit)
1258	{
1259	for(DWORD i=0;i<256;i++)
1260	{
1261	wDefaultPalete16[i] = (DefaultPalette[i*3+2]>>3) +
1262	((DefaultPalette[i*3+1]>>2) <<5) +
1263	((DefaultPalette[i*3]>>3) << 11);
1264	WriteLog( " # %d : RGB=%02X/%02X/%02X => %04X\n",
1265	i,
1266	DefaultPalette[i*3],
1267	DefaultPalette[i*3+1],
1268	DefaultPalette[i*3+2],
1269	wDefaultPalete16[i]);
1270	// aPal24[i] = (lpColorTable[i].peBlue <<8) +
1271	// (lpColorTable[i].peGreen<<16) +
1272	// (lpColorTable[i].peRed<<24);
1273	}
1274	fPalInit = TRUE;
1275	}
1276	pPal16 = &wDefaultPalete16[0];
1277	}
1278	else
1279	{
1280	pPal16 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal16;
1281	pPal24 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal24;
1282	}
1283	}
1284
1285	switch(dwBytesPPDive)
1286	{
1287	case 1:
1288	WriteLog("8 Bit\n");
1289	dwColor = (dwFillColor<<24) + (dwFillColor<<16) +
1290	(dwFillColor<<8) + (dwFillColor);
1291	for(i=0,pColor = (DWORD*)pLine;i<(FillWidth/4);i++)
1292	pColor[i] = dwColor;
1293	if(FillWidth % 4)
1294	{
1295	pFillPos = (char*) (&pColor[i-1]);
1296	for(i=0;i<FillWidth % 4;i++)
1297	pFillPos[i] = (UCHAR) dwColor;
1298	}
1299	break;
1300	case 2:
1301	WriteLog("16 Bit\n");
1302	if(pDiveBuffer!=pFrameBuffer)
1303	{
1304	if(8==lpDraw->GetScreenBpp())
1305	dwFillColor = pPal16[dwFillColor];
1306	}
1307	dwColor = (dwFillColor<<16) + (dwFillColor);
1308	WriteLog("Fill with 0x%08X\n",dwColor);
1309	for(i=0,pColor = (DWORD*)pLine;i<(FillWidth/2);i++)
1310	pColor[i] = dwColor;
1311	if(FillWidth % 2)
1312	{
1313	pFillPos = (char*)(&pColor[i-1]);
1314	((USHORT)pFillPos) = (USHORT)dwColor;
1315	}
1316	break;
1317	case 3:
1318	WriteLog("24 Bit\n");
1319
1320	dwColor = (dwFillColor<<8);
1321	for(i=0 ; i<FillWidth ; i++)
1322	{
1323	char* pColor = (char)pLine+(i3);
1324	*pColor = dwColor;
1325	}
1326	break;
1327	case 4:
1328	WriteLog("32 Bit\n");
1329	dwColor = dwFillColor;
1330	for(i=0,pColor = (DWORD*)pLine;i<FillWidth;i++)
1331	pColor[i] = dwColor;
1332	break;
1333	default:
1334	#ifdef DEBUG
1335	WriteLog("Unexpected Bitdepth\n");
1336	#endif
1337	return DDERR_GENERIC;
1338	} // end switch(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
1339
1340
1341	pFillPos = pLine + dwPitchDB;
1342	FillWidth = FillWidth*dwBytesPPDive;;
1343	for( y=0;y<FillHeight;y++,pFillPos+=dwPitchDB)
1344	{
1345	#ifdef USE_ASM
1346	// ToDo get the loop into an asm function as well to speed up filling
1347	// maybe remove the creation of the first fill line in an all asm
1348	// function and use MMX regs to set 8 bytes
1349	MemFlip(pFillPos,pLine,FillWidth);
1350	#else
1351	memcpy(pFillPos,pLine,FillWidth);
1352	#endif
1353	}
1354
1355	return(DD_OK);
1356
1357	#if 0 // rest of old code for resuse/move to a function to get closest syscolor
1358	// for colorconversion modes color fills
1359	else
1360	{
1361	// Yeah! Color conversion needed ;)
1362	#ifdef DEBUG
1363	WriteLog("Color converion ! Urks, may not work \n");
1364	#endif
1365
1366	switch(dest->lpDraw->dCaps.ulDepth)
1367	{
1368	case 8: // 256 Mode bad thing as programm wants to run in a higher mode might look ugly
1369	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,&SysPal[1]);
1370	pLogPal->palVersion = 0;
1371	pLogPal->palNumEntries = 256;
1372
1373	hPal = CreatePalette(pLogPal);
1374	if(hPal!=NULL)
1375	{
1376	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==16)
1377	{
1378	ulColor = ((lpDDBltFx->dwFillColor & 0x0000001F) <<3) +
1379	((lpDDBltFx->dwFillColor & 0x000007E0) <<5) +
1380	((lpDDBltFx->dwFillColor & 0x0000F800) <<8);
1381	}
1382	else
1383	ulColor = lpDDBltFx->dwFillColor;
1384
1385	ulColor = GetNearestPaletteIndex(hPal,ulColor);
1386	ulColor = (ulColor & 0x000000FF) + ((ulColor & 0x000000FF) << 8) +
1387	((ulColor & 0x000000FF) << 16) + ((ulColor & 0x000000FF) << 24);
1388	}
1389	else
1390	{
1391	#ifdef DEBUG
1392	WriteLog("Error creating Palette default to 0");
1393	#endif
1394	ulColor = 0;
1395	}
1396	for(i=0,(char*)pColor = ScanLine;i<(FillWidth/4)+1;i++)
1397	*(pColor+i) = ulColor;
1398	break;
1399	case 16:
1400	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==8)
1401	{
1402	if(lpDDBltFx->dwFillColor > 255)
1403	return DDERR_INVALIDPARAMS;
1404
1405	if(dest->lpPalette!=NULL)
1406	dest->lpPalette->lpVtbl->GetEntries(dest->lpPalette,0,0,256,(LPPALETTEENTRY)&SysPal);
1407	else
1408	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,(PPALETTEENTRY)&SysPal);
1409
1410	SysPal[lpDDBltFx->dwFillColor].peBlue >>3;
1411	SysPal[lpDDBltFx->dwFillColor].peGreen >>2;
1412	SysPal[lpDDBltFx->dwFillColor].peRed >>3;
1413	ulColor = ULONG(SysPal[lpDDBltFx->dwFillColor].peRed) << 11 +
1414	ULONG(SysPal[lpDDBltFx->dwFillColor].peGreen) << 5 +
1415	ULONG(SysPal[lpDDBltFx->dwFillColor].peBlue);
1416	}
1417	else
1418	{
1419	ulColor = (lpDDBltFx->dwFillColor & 0x000000FF)>>3 +
1420	(((lpDDBltFx->dwFillColor & 0x0000FF00)>>5) & 0x000007E0) +
1421	(((lpDDBltFx->dwFillColor & 0x00FF0000)>>8) & 0x0000F800);
1422	}
1423	ulColor += ulColor << 16;
1424	for(i=0,(char*)pColor = ScanLine;i<(FillWidth/2)+1;i++)
1425	*(pColor+i) = ulColor;
1426	break;
1427	case 24:
1428	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==8)
1429	{
1430	if(lpDDBltFx->dwFillColor > 255)
1431	return DDERR_INVALIDPARAMS;
1432
1433	if(dest->lpPalette!=NULL)
1434	dest->lpPalette->lpVtbl->GetEntries(dest->lpPalette,0,0,256,(LPPALETTEENTRY)&SysPal);
1435	else
1436	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,(PPALETTEENTRY)&SysPal);
1437
1438	ulColor = ULONG(SysPal[lpDDBltFx->dwFillColor].peRed) <<24 +
1439	ULONG(SysPal[lpDDBltFx->dwFillColor].peGreen) <<16 +
1440	ULONG(SysPal[lpDDBltFx->dwFillColor].peBlue) <<8;
1441	}
1442	else
1443	{
1444	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==16)
1445	{
1446	ulColor = ((lpDDBltFx->dwFillColor & 0x0000001F) <<11) +
1447	((lpDDBltFx->dwFillColor & 0x000007E0) <<13) +
1448	((lpDDBltFx->dwFillColor & 0x0000F800) <<18);
1449	}
1450	else
1451	ulColor = lpDDBltFx->dwFillColor << 8 ;
1452	}
1453
1454	for(i=0;i<FillWidth;i++)
1455	{
1456	char* pColor = (char)Scanline+(i3);
1457	*pColor = ulColor;
1458	}
1459	break;
1460	case 32:
1461	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==8)
1462	{
1463	if(lpDDBltFx->dwFillColor > 255)
1464	return DDERR_INVALIDPARAMS;
1465
1466	if(dest->lpPalette!=NULL)
1467	dest->lpPalette->lpVtbl->GetEntries(dest->lpPalette,0,0,256,(LPPALETTEENTRY)&SysPal);
1468	else
1469	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,(PPALETTEENTRY)&SysPal);
1470
1471	ulColor = ULONG(SysPal[lpDDBltFx->dwFillColor].peRed) <<16 +
1472	ULONG(SysPal[lpDDBltFx->dwFillColor].peGreen) <<8 +
1473	ULONG(SysPal[lpDDBltFx->dwFillColor].peBlue);
1474	}
1475	else
1476	{
1477	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==16)
1478	{
1479	ulColor = ((lpDDBltFx->dwFillColor & 0x0000001F) <<3) +
1480	((lpDDBltFx->dwFillColor & 0x000007E0) <<5) +
1481	((lpDDBltFx->dwFillColor & 0x0000F800) <<8);
1482	}
1483	else
1484	ulColor = lpDDBltFx->dwFillColor & 0x00FFFFFF;
1485	}
1486
1487	for(i=0,(char*)pColor = ScanLine;i<(FillWidth/4);i++)
1488	*(pColor+i) = ulColor;
1489	break;
1490	default:
1491	#ifdef DEBUG
1492	WriteLog("Unexpected Bitdepth\n");
1493	#endif
1494	return DDERR_GENERIC;
1495	} // end switch (dest->lpDraw->dCaps.ulDepth)
1496	}// end of Scanline setup
1497	#endif
1498
1499	}
1500	//******************************************************************************
1501	//******************************************************************************
1502	void OS2IDirectDrawSurface::ColorConversion(LPRECT lpRect)
1503	{
1504	char pSrc,pDst,pSLine,pDLine;
1505	DWORD CCwidth,CCheight,x,y;
1506	DWORD *pPal24;
1507	WORD *pPal16;
1508
1509	if( (NULL== lpDraw->pPrimSurf) \|\|
1510	(NULL== ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette) )
1511	{
1512	if(!fPalInit)
1513	{
1514	for(DWORD i=0;i<256;i++)
1515	{
1516	wDefaultPalete16[i] = (DefaultPalette[i*3+2]>>3) +
1517	((DefaultPalette[i*3+1]>>2) <<5) +
1518	((DefaultPalette[i*3]>>3) << 11);
1519	WriteLog( " # %d : RGB=%02X/%02X/%02X => %04X\n",
1520	i,
1521	DefaultPalette[i*3],
1522	DefaultPalette[i*3+1],
1523	DefaultPalette[i*3+2],
1524	wDefaultPalete16[i]);
1525	// aPal24[i] = (lpColorTable[i].peBlue <<8) +
1526	// (lpColorTable[i].peGreen<<16) +
1527	// (lpColorTable[i].peRed<<24);
1528	}
1529	fPalInit = TRUE;
1530	}
1531	pPal16 = &wDefaultPalete16[0];
1532	}
1533	else
1534	{
1535	pPal16 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal16;
1536	pPal24 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal24;
1537	}
1538
1539	if(NULL==lpRect)
1540	{
1541	pSrc = pFrameBuffer;
1542	pDst = pDiveBuffer;
1543	CCwidth = width;
1544	CCheight = height;
1545	}
1546	else
1547	{
1548	// ToDo: Check why the top/bottom values come in swaped here
1549	// for now simply reverse them with the following 3 lines
1550	y = lpRect->top;
1551	lpRect->top = lpRect->bottom;
1552	lpRect->bottom = y;
1553	// end of hack
1554	pSrc = pFrameBuffer +
1555	(lpRect->top * dwPitchFB) +
1556	(lpRect->left* (lpDraw->dCaps.ulDepth/8));
1557	pDst = pDiveBuffer +
1558	(lpRect->top * dwPitchDB) +
1559	(lpRect->left* dwBytesPPDive);
1560	CCwidth = lpRect->right - lpRect->left;
1561	CCheight = lpRect->bottom - lpRect->top;
1562
1563	}
1564
1565	WriteLog( "H: %d W: %d\n SRC @ %08X\n DST @ %08X\n",
1566	CCheight, CCwidth, pSrc,pDst);
1567
1568	pSLine = pSrc;
1569	pDLine = pDst;
1570
1571	switch(lpDraw->dCaps.ulDepth)
1572	{
1573	case 8:
1574	WriteLog(" 8Bit target CC not implemented\n");
1575	break;
1576	case 15:
1577	WriteLog(" 15 Bit not implemented using 16bit might look ugly\n");
1578	case 16:
1579	if(8==lpDraw->GetScreenBpp())
1580	{
1581	WriteLog("8->16Bit CC\n");
1582	for(y=0;CCheight;CCheight--,y++)
1583	{
1584	for(x=0;x<width;x++)
1585	{
1586	((WORD)pDLine) = pPal16[pSLine[x]];
1587	}
1588	pSLine += dwPitchFB;
1589	pDLine += dwPitchDB;
1590	}
1591	}
1592	else
1593	{
1594	WriteLog("%d ->16Bit Not implemented",lpDraw->GetScreenBpp());
1595	}
1596	break;
1597	case 24:
1598	if(8==lpDraw->GetScreenBpp())
1599	{
1600	WriteLog("8->24Bit CC");
1601	}
1602	else
1603	{
1604	WriteLog("%d ->24Bit Not implemented",lpDraw->GetScreenBpp());
1605	}
1606	break;
1607	case 32:
1608	if(8==lpDraw->GetScreenBpp())
1609	{
1610	WriteLog("8->32Bit CC");
1611	}
1612	else
1613	{
1614	WriteLog("%d ->32Bit Not implemented",lpDraw->GetScreenBpp());
1615	}
1616	break;
1617	default:
1618	#ifdef DEBUG
1619	WriteLog( "Unexpected Screen Bitdepth %d\n",
1620	lpDraw->dCaps.ulDepth);
1621	#endif
1622	break;
1623	}
1624
1625	/*
1626	SETUP_BLITTER sBlt;
1627	ULONG ulDN1, ulDN2;
1628	ULONG rc;
1629	ulDN1 = ulDN2 = 0;
1630
1631	memset(&sBlt,0,sizeof(sBlt));
1632	sBlt.ulStructLen = sizeof(sBlt);
1633	sBlt.fccSrcColorFormat = (FOURCC) DDSurfaceDesc.ddpfPixelFormat.dwFourCC;
1634	if (NULL!=lpRect)
1635	{
1636	sBlt.ulSrcWidth = lpRect->right - lpRect->left;
1637	sBlt.ulSrcHeight = lpRect->top - lpRect->bottom;
1638	sBlt.ulSrcPosX = lpRect->left;
1639	sBlt.ulSrcPosY = height - lpRect->top;
1640	}
1641	else
1642	{
1643	sBlt.ulSrcWidth = width;
1644	sBlt.ulSrcHeight = height;
1645	sBlt.ulSrcPosX = 0;
1646	sBlt.ulSrcPosY = 0;
1647	}
1648	sBlt.fccDstColorFormat = FOURCC_SCRN;
1649	sBlt.ulDstWidth = sBlt.ulSrcWidth;
1650	sBlt.ulDstHeight = sBlt.ulSrcHeight;
1651	sBlt.lDstPosX = sBlt.ulSrcPosX;
1652	sBlt.lDstPosY = sBlt.ulSrcPosY;
1653	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1654
1655	WriteLog( "Colorconversion:\n FCC SRC %08X\n FCC DST %08X\n",
1656	sBlt.fccSrcColorFormat,
1657	sBlt.fccDstColorFormat );
1658
1659	rc = DiveAllocImageBuffer( hDiveCC,
1660	&ulDN1,
1661	sBlt.fccSrcColorFormat,
1662	width,
1663	height,
1664	dwPitchFB,
1665	(PBYTE)pFrameBuffer);
1666	WriteLog("AllocDiveSrc Buffer rc= 0x%08X\n",rc);
1667
1668	rc = DiveAllocImageBuffer( hDiveCC,
1669	&ulDN2,
1670	sBlt.fccDstColorFormat,
1671	width,
1672	height,
1673	dwPitchDB,
1674	(PBYTE)pDiveBuffer);
1675	WriteLog("AllocDiveDst Buffer rc= 0x%08X\n",rc);
1676
1677	rc = DiveSetupBlitter( hDiveCC,
1678	&sBlt);
1679	WriteLog("SetupBlitter rc= %X\n",rc);
1680
1681	rc = DiveBlitImage( hDiveCC,
1682	ulDN1,
1683	ulDN2);
1684
1685	WriteLog("Blit rc= %X\n",rc);
1686
1687	rc = DiveFreeImageBuffer( hDiveCC,
1688	ulDN1);
1689	WriteLog("Free Src rc= %X\n",rc);
1690
1691	rc = DiveFreeImageBuffer( hDiveCC,
1692	ulDN2);
1693
1694	WriteLog("Free dst rc= %X\n",rc);
1695	*/
1696	}
1697	//******************************************************************************
1698	//******************************************************************************
1699	// Internal callbacks uses by destructor
1700	int DestroyRects(LPVOID lpItem, DWORD dwRes)
1701	{
1702	DDRectangle pItem = (DDRectangle) lpItem;
1703	delete(pItem);
1704	return 1;
1705	}
1706
1707	int ReleaseSurfaces(LPVOID lpItem, DWORD dwRes)
1708	{
1709	OS2IDirectDrawSurface *pSurf;
1710	pSurf = (OS2IDirectDrawSurface *)lpItem;
1711	pSurf->Vtbl.Release(pSurf);
1712	return 1;
1713	}
1714	//******************************************************************************
1715	//******************************************************************************
1716
1717	OS2IDirectDrawSurface::~OS2IDirectDrawSurface()
1718	{
1719	OS2IDirectDrawSurface *AttachedSurface;
1720
1721
1722	if(DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
1723	{
1724	lpDraw->SetPrimarySurface(FALSE);
1725	if(lpPalette)
1726	lpPalette->RestorePhysPalette();
1727	}
1728	else
1729	{
1730	if( diveBufNr != -1)
1731	{
1732	if(fLocked)
1733	DiveEndImageBufferAccess(hDive, diveBufNr);
1734	DiveFreeImageBuffer(hDive, diveBufNr);
1735	}
1736	else
1737	{
1738	// Memory Surfaces
1739	if (!Updated) // check for user handled buffer
1740	free(DDSurfaceDesc.lpSurface);
1741	}
1742
1743
1744	fLocked = FALSE;
1745	diveBufNr = -1;
1746	}
1747
1748	// Free the translation buffer
1749	if(pFrameBuffer != pDiveBuffer)
1750	free(pDiveBuffer);
1751
1752	// Clear the list of locked rectangles
1753	if (DPA_GetPtrCount(DPA_LockedRects)>0)
1754	{
1755	DPA_DestroyCallback( DPA_LockedRects,
1756	(DPAENUMPROC)DestroyRects,
1757	0);
1758	}
1759
1760	if(lpClipper)
1761	{
1762	lpClipper->Vtbl.Release((IDirectDrawClipper*)lpClipper);
1763	lpClipper = NULL;
1764	}
1765
1766	if(lpPalette)
1767	{
1768	lpPalette->Vtbl.Release((IDirectDrawPalette*)lpPalette);
1769	lpPalette = NULL;
1770	}
1771
1772	if(hbmImage)
1773	DeleteObject(hbmImage);
1774
1775	if(hdcImage)
1776	DeleteDC(hdcImage);
1777
1778	if (NULL!=BackBuffer)
1779	BackBuffer->Vtbl.Release(AttachedSurface);
1780
1781	if (DPA_GetPtrCount(DPA_SurfaceMipMaps)>0)
1782	{
1783	DPA_DestroyCallback( DPA_SurfaceMipMaps,
1784	(DPAENUMPROC)ReleaseSurfaces,
1785	0);
1786	}
1787
1788	if (DPA_GetPtrCount(DPA_SurfaceAttached)>0)
1789	{
1790	DPA_DestroyCallback( DPA_SurfaceAttached,
1791	(DPAENUMPROC)ReleaseSurfaces,
1792	0);
1793	}
1794
1795	lpDraw->Vtbl.Release(lpDraw);
1796
1797	}
1798	//******************************************************************************
1799	//******************************************************************************
1800	inline void OS2IDirectDrawSurface::SetFrontBuffer( OS2IDirectDrawSurface* NewFBuffer)
1801	{
1802	FrontBuffer = NewFBuffer;
1803	if (NULL==NewFBuffer)
1804	{
1805
1806	WriteLog("Remove Frontbuffer\n");
1807
1808	// The real Frontbuffer was removed check if I'm now the one
1809	if(NULL!=BackBuffer)
1810	{
1811	WriteLog("We have the a backbuffer so we're the Frontbuffer\n");
1812	NextFlip = BackBuffer;
1813	DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_BACKBUFFER;
1814	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER;
1815	BackBuffer->SetFrontBuffer(this);
1816	}
1817	else
1818	{
1819	// Flipchain is destroyed
1820	WriteLog("No longer part of a flipchain\n");
1821	DDSurfaceDesc.ddsCaps.dwCaps &= ~(DDSCAPS_BACKBUFFER \| DDSCAPS_FLIP);
1822	}
1823	}
1824	else
1825	{
1826	WriteLog("Set new Frontbuffer to 0x%08X\n",NewFBuffer);
1827	if(NULL==NewFBuffer->GetFrontBuffer())
1828	{
1829	WriteLog("We're the 1st backbuffer\n");
1830	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_BACKBUFFER \| DDSCAPS_FLIP;
1831	FrontBuffer->NextFlip = this;
1832	}
1833	else
1834	{
1835	WriteLog("We are oe of many buffers\n");
1836	DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_BACKBUFFER ;
1837	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP;
1838	}
1839
1840	if(NULL!=BackBuffer)
1841	BackBuffer->SetFrontBuffer(this);
1842
1843	DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FRONTBUFFER;
1844	}
1845	}
1846	//******************************************************************************
1847	//******************************************************************************
1848	HRESULT __stdcall SurfQueryInterface(THIS This, REFIID riid, LPVOID FAR * ppvObj)
1849	{
1850	// ToDo: Add Interface handling for D3D Textures
1851
1852	#ifdef DEBUG
1853	WriteLog("OS2IDirectDrawSurface::SurfQueryInterface\n");
1854	#endif
1855
1856	*ppvObj = NULL;
1857
1858	if(!IsEqualGUID(riid, IID_IDirectDrawSurface) &&
1859	!IsEqualGUID(riid, IID_IDirectDrawSurface2))
1860	//&& !IsEqualGUID(riid, IID_IUnknown))
1861	return E_NOINTERFACE;
1862
1863	*ppvObj = This;
1864
1865	SurfAddRef(This);
1866
1867	return(DD_OK);
1868	}
1869	//******************************************************************************
1870	//******************************************************************************
1871	ULONG __stdcall SurfAddRef(THIS This)
1872	{
1873	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
1874
1875	#ifdef DEBUG
1876	WriteLog("OS2IDirectDrawSurface::SurfAddRef %d\n", me->Referenced+1);
1877	#endif
1878
1879	return ++me->Referenced;
1880	}
1881	//******************************************************************************
1882	//******************************************************************************
1883	ULONG __stdcall SurfRelease(THIS This)
1884	{
1885	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
1886
1887	#ifdef DEBUG
1888	WriteLog("OS2IDirectDrawSurface::SurfRelease %d\n", me->Referenced-1);
1889	WriteLog("OS2IDirectDrawSurface::Surface %X\n", me);
1890	#endif
1891	if(me->Referenced)
1892	{
1893	me->Referenced--;
1894	if(me->Referenced == 0)
1895	{
1896	delete( me);
1897	#ifndef __WATCOMC__
1898	//_interrupt(3);
1899	#endif
1900	return(0);
1901	}
1902	else
1903	return me->Referenced;
1904	}
1905	else
1906	return(0);
1907	}
1908	//******************************************************************************
1909	//******************************************************************************
1910	HRESULT __stdcall SurfAddAttachedSurface(THIS This, LPDIRECTDRAWSURFACE2 lpDDSurface)
1911	{
1912
1913	#ifdef DEBUG
1914	WriteLog("SurfAddAttachedSurface\n");
1915	#endif
1916	return SurfAddAttachedSurface4(This, (LPDIRECTDRAWSURFACE4)lpDDSurface);
1917	}
1918	//******************************************************************************
1919	//******************************************************************************
1920	HRESULT __stdcall SurfAddAttachedSurface4(THIS This, LPDIRECTDRAWSURFACE4 lpDDSurface)
1921	{
1922	OS2IDirectDrawSurface *AttachedSurface;
1923	OS2IDirectDrawSurface *BBCursor;
1924	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
1925	int rc;
1926
1927	#ifdef DEBUG
1928	WriteLog("SurfAddAttachedSurface4\n");
1929	#endif
1930
1931	if (NULL==lpDDSurface)
1932	return DDERR_INVALIDPARAMS;
1933
1934	AttachedSurface = (OS2IDirectDrawSurface*) lpDDSurface;
1935
1936	if(AttachedSurface->IsImplicitSurface())
1937	{
1938	#ifdef DEBUG
1939	WriteLog("Internal : Can't attach an implicit created surface to an other surface\n");
1940	#endif
1941	return(DDERR_CANNOTATTACHSURFACE);
1942	}
1943
1944	if(This == AttachedSurface)
1945	{
1946	#ifdef DEBUG
1947	WriteLog("Can't attach an surface to itself\n");
1948	#endif
1949	return(DDERR_CANNOTATTACHSURFACE);
1950	}
1951
1952	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_TEXTURE)
1953	{
1954	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
1955	{
1956	if(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
1957	{
1958	rc = DPA_InsertPtr( me->DPA_SurfaceMipMaps,
1959	DPA_GetPtrCount(me->DPA_SurfaceMipMaps),
1960	AttachedSurface);
1961
1962	if( rc>=0)
1963	{
1964	me->DDSurfaceDesc.dwFlags \|= DDSD_MIPMAPCOUNT;
1965	me->DDSurfaceDesc.dwMipMapCount++;
1966
1967	AttachedSurface->Vtbl.AddRef(AttachedSurface);
1968	}
1969	else
1970	{
1971	#ifdef DEBUG
1972	WriteLog("Internal : Error attaching to MipMap\n");
1973	#endif
1974	return(DDERR_CANNOTATTACHSURFACE);
1975	}
1976	}
1977	else
1978	{
1979	#ifdef DEBUG
1980	WriteLog("Target Surface isn't a MipMap\n");
1981	#endif
1982	return(DDERR_CANNOTATTACHSURFACE);
1983	}
1984	}
1985	else
1986	{
1987	rc = DPA_InsertPtr( me->DPA_SurfaceAttached,
1988	DPA_GetPtrCount(me->DPA_SurfaceAttached),
1989	AttachedSurface);
1990
1991	if(rc>=0)
1992	{
1993	AttachedSurface->Vtbl.AddRef(AttachedSurface);
1994	}
1995	else
1996	{
1997	#ifdef DEBUG
1998	WriteLog("Internal : Error attaching to general Set\n");
1999	#endif
2000	return(DDERR_CANNOTATTACHSURFACE);
2001	}
2002	}
2003	} // endif DDSCAPS_TEXTURE
2004	else
2005	{
2006	if( (AttachedSurface->DDSurfaceDesc.dwWidth != me->DDSurfaceDesc.dwWidth)
2007	\|\| (AttachedSurface->DDSurfaceDesc.dwHeight != me->DDSurfaceDesc.dwHeight)
2008	// \|\| (AttachedSurface->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount !=
2009	// me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
2010	)
2011	{
2012	#ifdef DEBUG
2013	WriteLog("Surfaces don't have same dimensions\n");
2014	#endif
2015	return(DDERR_CANNOTATTACHSURFACE);
2016	}
2017	else
2018	{
2019	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_BACKBUFFER)
2020	{
2021	if( (AttachedSurface->GetFrontBuffer()!=NULL) \|\| (AttachedSurface->BackBuffer!= NULL))
2022	{
2023	#ifdef DEBUG
2024	WriteLog("Surfaces already has a front/backbuffer\n");
2025	#endif
2026	return(DDERR_SURFACEALREADYATTACHED);
2027	}
2028
2029	if(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
2030	{
2031	if(NULL!=me->BackBuffer)
2032	{
2033	BBCursor = me->BackBuffer;
2034	while(NULL!=BBCursor)
2035	{
2036	BBCursor->DDSurfaceDesc.dwFlags \|= DDSD_BACKBUFFERCOUNT;
2037	BBCursor->DDSurfaceDesc.dwBackBufferCount++;
2038	BBCursor->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP;
2039	BBCursor = BBCursor->BackBuffer;
2040	}
2041	BBCursor->BackBuffer = AttachedSurface;
2042	AttachedSurface->SetFrontBuffer(BBCursor);
2043	}
2044	else
2045	{
2046	me->BackBuffer = AttachedSurface;
2047	AttachedSurface->SetFrontBuffer(me);
2048	}
2049	me->DDSurfaceDesc.dwFlags \|= DDSD_BACKBUFFERCOUNT;
2050	me->DDSurfaceDesc.dwBackBufferCount++;
2051	me->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP;
2052
2053	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2054	return (DD_OK);
2055	}
2056	else
2057	{
2058	#ifdef DEBUG
2059	WriteLog("Can't attach backbuffer to anything but a frontbuffer\n");
2060	#endif
2061	return(DDERR_CANNOTATTACHSURFACE);
2062	}
2063	}
2064	else
2065	{
2066	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
2067	{
2068	if(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
2069	{
2070	if( DPA_InsertPtr( me->DPA_SurfaceMipMaps,
2071	DPA_GetPtrCount(me->DPA_SurfaceMipMaps),
2072	AttachedSurface) >=0)
2073	{
2074	me->DDSurfaceDesc.dwFlags \|= DDSD_MIPMAPCOUNT;
2075	me->DDSurfaceDesc.dwMipMapCount++;
2076	me->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER;
2077
2078	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2079	}
2080	else
2081	{
2082	#ifdef DEBUG
2083	WriteLog("Internal : Error attaching to MipMap\n");
2084	#endif
2085	return(DDERR_CANNOTATTACHSURFACE);
2086	}
2087	}
2088	else
2089	{
2090	#ifdef DEBUG
2091	WriteLog("Tagget Surface isn't a MipMap\n");
2092	#endif
2093	return(DDERR_CANNOTATTACHSURFACE);
2094	}
2095	}
2096	else
2097	{
2098	if( DPA_InsertPtr( me->DPA_SurfaceAttached,
2099	DPA_GetPtrCount(me->DPA_SurfaceAttached),
2100	AttachedSurface) >=0)
2101	{
2102	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2103	}
2104	else
2105	{
2106	#ifdef DEBUG
2107	WriteLog("Internal : Error attaching to general Set\n");
2108	#endif
2109	return(DDERR_CANNOTATTACHSURFACE);
2110	}
2111	}
2112	}// End if not DDSCAPS_BACKBUFFER
2113	}
2114	}
2115	WriteLog("Surface attached\n");
2116	return(DD_OK);
2117	}
2118	//******************************************************************************
2119	//******************************************************************************
2120	HRESULT __stdcall SurfAddOverlayDirtyRect(THIS, LPRECT)
2121	{
2122	#ifdef DEBUG
2123	WriteLog("SurfAddOverlayDirtyRect Not implemented by M$ in V 6.0! \n");
2124	#endif
2125
2126	return(DD_OK);
2127	}
2128	//******************************************************************************
2129	//******************************************************************************
2130	HRESULT __stdcall SurfBlt(THIS This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE2 lpDDSrcSurface,
2131	LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
2132	{
2133	return SurfBlt4( This,
2134	lpDestRect,
2135	(LPDIRECTDRAWSURFACE4)lpDDSrcSurface,
2136	lpSrcRect,
2137	dwFlags,
2138	lpDDBltFx);
2139	}
2140	//******************************************************************************
2141	//******************************************************************************
2142	HRESULT __stdcall SurfBlt4(THIS This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE4 lpDDSrcSurface,
2143	LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
2144	{
2145	// We have determine between 3 different blit senarios.
2146	// 1. Blitting between Divebuffers (Front/Backbuffer and primary surface)
2147	// 2. Blitting between memory and Divebuffers (Front/Backbuffer and primary surface).
2148	// 3. Blitting between memory buffers.
2149	// 1 and 3 are easy. DiveBlitImage or memcpy will do the job for non transparent blits
2150	// 2 is now also easy as we do colorconverion via Dive after each unlocking of a surface
2151	// The advantage is that we don't have to call DiveSetupBlitter each time. The Blitter will be
2152	// setup only when the screen resolution is changed by ddraw. I guess we should see a big performance
2153	// increase by doing it this way, unless the software blits directly from memory to the primary surface)
2154	// But even then this could be faster as the SetupBlitter call is timeconsumeing and DIVE does emulate
2155	// the blit in SW anyway as there is no interface in the driver to blit with HW support from the sysmem.
2156
2157	OS2IDirectDrawSurface dest = (OS2IDirectDrawSurface )This;
2158	OS2IDirectDrawSurface src = (OS2IDirectDrawSurface )lpDDSrcSurface;
2159
2160	HRESULT rc;
2161	ULONG ulColor, *pColor;
2162	RECTL cliprect;
2163
2164	int x, y, i, j, BlitWidth, BlitHeight;
2165	PALETTEENTRY SysPal[257];
2166	PLOGPALETTE pLogPal = (PLOGPALETTE) SysPal;
2167	char pBltPos, pSrcPos;
2168	DDSURFACEDESC2 DestSurfaceDesc, SrcSurfaceDesc;
2169	DDRectangle pIRectDest,pIRectSrc,*pIRectTest;
2170	RECTL DestRect, SrcRect;
2171	BOOL Found;
2172	DWORD dwSrcColor, dwDestColor;
2173
2174	#ifdef DEBUG
2175	if ( (NULL!=lpDestRect)&& (NULL!=lpSrcRect))
2176	WriteLog("SurfBlt4 to (%d,%d)(%d,%d) at %08X from (%d,%d)(%d,%d) at %08X\n", lpDestRect->left, lpDestRect->top,
2177	lpDestRect->right, lpDestRect->bottom, dest, lpSrcRect->left, lpSrcRect->top,
2178	lpSrcRect->right, lpSrcRect->bottom, src);
2179
2180	_dump_DDBLT(dwFlags);
2181	#endif
2182
2183
2184	if (NULL!=lpDestRect)
2185	{
2186	pIRectDest = new DDRectangle( lpDestRect->top,
2187	lpDestRect->left,
2188	lpDestRect->bottom,
2189	lpDestRect->right);
2190	memcpy(&DestRect,lpDestRect,sizeof(RECTL) );
2191	}
2192	else
2193	{
2194	pIRectDest = new DDRectangle( 0, 0, dest->height, dest->width);
2195	DestRect.top = 0;
2196	DestRect.left = 0;
2197	DestRect.bottom = dest->height;
2198	DestRect.right = dest->width;
2199	}
2200
2201	if(dest->fLocked)
2202	{
2203	if (NULL==lpDestRect)
2204	{
2205	// If anything is locked we can't blit to the complete surface as
2206	// a part is locked
2207	Found = TRUE;
2208	}
2209	else
2210	{
2211	// If the dest Rectangle intersects with any of the locked rectangles
2212	// we can't blit to it
2213
2214	Found = FALSE;
2215	i=0;
2216	while( (i<DPA_GetPtrCount(dest->DPA_LockedRects)) && !Found)
2217	{
2218	pIRectTest = (DDRectangle*) DPA_FastGetPtr(dest->DPA_LockedRects,i);
2219	Found = pIRectDest->intersects(*pIRectTest);
2220	i++;
2221	}
2222
2223	}
2224
2225	if (Found)
2226	{
2227	delete pIRectDest;
2228	#ifdef DEBUG
2229	WriteLog("Blt: Dest Surface partly locked\n");
2230	#endif
2231	return(DDERR_SURFACEBUSY);
2232	}
2233	}
2234
2235	DestSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
2236	SrcSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
2237
2238	// First check the simple first
2239
2240	dwFlags &= ~(DDBLT_WAIT\|DDBLT_ASYNC); // FIXME: can't handle right now
2241
2242	if(dwFlags & DDBLT_COLORFILL)
2243	{
2244	WriteLog("ColorFill\n");
2245	if((NULL==lpDDBltFx)\|\|(lpDDBltFx->dwSize!=sizeof(DDBLTFX)) )
2246	return DDERR_INVALIDPARAMS;
2247
2248	// ToDo : as we fill the DiveBuffer check if we need to convert the
2249	// specified color
2250
2251	dest->ColorFill(lpDestRect,lpDDBltFx->dwFillColor);
2252
2253	return(DD_OK); // according to the M$ DDK only one flag shall/can be set.
2254	} // end of colorfill
2255
2256	if (dwFlags & DDBLT_DEPTHFILL)
2257	{
2258	WriteLog("DepthFill\n");
2259	#ifdef USE_OPENGL
2260	GLboolean ztest;
2261	// Todo support more than one Z-Buffer
2262	// Clears the screen
2263	WriteLog("Filling depth buffer with %ld\n", lpbltfx->b.dwFillDepth);
2264	glClearDepth(lpDDBltFx->b.dwFillDepth / 65535.0); // We suppose a 16 bit Z Buffer
2265	glGetBooleanv(GL_DEPTH_TEST, &ztest);
2266	glDepthMask(GL_TRUE); // Enables Z writing to be sure to delete also the Z buffer
2267	glClear(GL_DEPTH_BUFFER_BIT);
2268	glDepthMask(ztest);
2269
2270	return (DD_OK);
2271	#endif // USE_OPENGL
2272	}
2273
2274	if(dwFlags & DDBLT_ROP)
2275	{
2276	// HEL and we only support the following ROPS
2277	// SRC_COPY
2278	// BLACKNESS
2279	// WHITENESS
2280	//
2281	if(lpDDBltFx->dwROP & SRCCOPY)
2282	dwFlags = 0; // srccopy is a normal fast blt
2283	else
2284	{
2285	if(lpDDBltFx->dwROP & BLACKNESS)
2286	{
2287	if(1==dest->dwBytesPPDive)
2288	{
2289	// ToDo: Realy implement code to get the correct index for black in 8 Bitmode
2290	dest->ColorFill(lpDestRect, 0 );
2291	}
2292	else
2293	dest->ColorFill(lpDestRect, 0);
2294	return DD_OK;
2295	}
2296
2297	if(lpDDBltFx->dwROP & WHITENESS)
2298	{
2299	if(1==dest->dwBytesPPDive)
2300	{
2301	// ToDo: Realy implement code to get the correct index for black in 8 Bitmode
2302	dest->ColorFill(lpDestRect, 0xFFFFFFFF );
2303	}
2304	else
2305	dest->ColorFill(lpDestRect, 0xFFFFFFFF);
2306	return DD_OK;
2307	}
2308
2309	return DDERR_NORASTEROPHW;
2310	}
2311	}
2312
2313	if(NULL==src)
2314	{
2315	#ifdef DEBUG
2316	WriteLog("Unsupported sourceless FX operation. Flags = 0x%04X\n",dwFlags);
2317	#endif
2318	return DD_OK;
2319	}
2320
2321	if (NULL!=lpSrcRect)
2322	{
2323	pIRectSrc = new DDRectangle( lpSrcRect->top,
2324	lpSrcRect->left,
2325	lpSrcRect->bottom,
2326	lpSrcRect->right);
2327	memcpy(&SrcRect,lpSrcRect,sizeof(RECTL) );
2328	}
2329	else
2330	{
2331	pIRectSrc = new DDRectangle( 0, 0, src->height, src->width);
2332	SrcRect.top = 0;
2333	SrcRect.left = 0;
2334	SrcRect.bottom = src->height;
2335	SrcRect.right = src->width;
2336	}
2337
2338	if(src->fLocked)
2339	{
2340	if (NULL==lpSrcRect)
2341	{
2342	// If anything is locked we can't blit from the complete surface as
2343	// a part is locked
2344	Found = TRUE;
2345	}
2346	else
2347	{
2348	// If the src Rectangle intersects with any of the locked rectangles of the
2349	// source surface we can't blit from it
2350
2351	Found = FALSE;
2352	i=0;
2353
2354	while((i<DPA_GetPtrCount(src->DPA_LockedRects) ) && !Found)
2355	{
2356	pIRectTest = (DDRectangle*) DPA_FastGetPtr(src->DPA_LockedRects,i);
2357	Found = pIRectDest->intersects(*pIRectTest);
2358	i++;
2359	}
2360
2361	}
2362
2363	if (Found)
2364	{
2365	delete pIRectSrc;
2366	#ifdef DEBUG
2367	WriteLog("Blt: Src Surface partly locked\n");
2368	#endif
2369	return(DDERR_SURFACEBUSY);
2370	}
2371	}
2372
2373	if( ( (NULL==lpDestRect) && (NULL!=lpSrcRect) ) \|\|
2374	( (NULL==lpSrcRect) && (NULL!=lpDestRect) ) )
2375	{
2376	#ifdef DEBUG
2377	WriteLog("Blitting with scaleing\n Not supported.\n");
2378	#endif
2379	return DDERR_NOSTRETCHHW;
2380	}
2381
2382	if( ( pIRectDest->width() != pIRectSrc->width() ) \|\|
2383	( pIRectDest->height() != pIRectSrc->height() )
2384	)
2385	{
2386	// Stretching not supported
2387	WriteLog("No stretched blits\n");
2388
2389	return DDERR_NOSTRETCHHW;
2390	}
2391
2392	if (dest->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
2393	{
2394	WriteLog("Dest is Primary Surface\n");
2395	if(src->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
2396	{
2397	// special Type 1 : Bliting between parts of the screen
2398
2399	WriteLog("Src is Primary Surface\n");
2400
2401	if( pIRectDest == pIRectSrc)
2402	return DD_OK; // rects are the same => no blit needed
2403
2404	// Todo: might add transparent blits but I don't think they are used here, so later!
2405
2406	MoveRects( dest->pDiveBuffer,
2407	(LPRECT)&DestRect,
2408	(LPRECT)&SrcRect,
2409	dest->dwBytesPPDive,
2410	dest->dwPitchDB);
2411
2412	// End of Special Type 1 blitting on the screen
2413	}
2414	else
2415	{
2416	if( src->diveBufNr>0)
2417	{
2418
2419	if( (NULL==lpSrcRect)&&( NULL== lpDestRect))
2420	{
2421	// No Rectangles so use Dive to blit everything
2422	// ToDo : Implement transparent blitting but that seams more
2423	// inportant for partial blits.
2424	// If we do this later we could skip this check and don't
2425	// use Dive .This keeps our simpler and smaler
2426	//
2427	DiveBlitImage(dest->hDive, src->diveBufNr, dest->diveBufNr);
2428
2429	}
2430	}
2431
2432	// Everything else we do yourselfs
2433	// Type 2 Sysmem to Primarysurface ca also be handled by this
2434
2435	pBltPos = (char) dest->pDiveBuffer + (DestRect.top dest->dwPitchDB) +
2436	(DestRect.left * dest->dwBytesPPDive);
2437
2438	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
2439	(SrcRect.left * src->dwBytesPPDive);
2440
2441	BlitHeight = pIRectDest->height();
2442	BlitWidth = pIRectDest->width();
2443
2444	if(!dwFlags)
2445	{
2446	BlitWidth *= dest->dwBytesPPDive;
2447
2448	#ifdef USE_ASM
2449	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
2450	dest->dwPitchDB,
2451	src->dwPitchDB);
2452	#else
2453	// Solid Blit
2454	while(1)
2455	{
2456	memcpy(pBltPos,pSrcPos,BlitWidth);
2457	pBltPos += dest->dwPitchDB;
2458	pSrcPos += src->dwPitchDB;
2459	if(! (--BlitHeight))
2460	break;
2461	}
2462	#endif
2463	}
2464	else
2465	{
2466	// Transparent Blit
2467	if( (dwFlags &DDBLT_KEYSRC) \|\| (dwFlags & DDBLT_KEYSRCOVERRIDE) )
2468	{
2469	WriteLog("Transparent src blit not done yet for primary!!");
2470	}
2471	else
2472	{
2473	WriteLog("Unhandled Flags Destination colorkey ? 0x%04X",dwFlags);
2474	}
2475	}
2476	} // end of handling blitting to primary
2477	} // end of target primary surface
2478	else
2479	{
2480	if(0==src->diveBufNr)
2481	{
2482	// copy from the screen to a buffer
2483
2484	if( (NULL==lpDestRect) &&
2485	(NULL==lpSrcRect) &&
2486	(dest->diveBufNr>0) )
2487	{
2488	// Blitting everything from frontbuffer to a Divebuffer
2489	// ToDo: Might should add checking for flags here
2490	DiveBlitImage(dest->hDive, src->diveBufNr, dest->diveBufNr);
2491	}
2492	else
2493	{
2494	// DIVE => DIVE or Mem => Dive
2495	// or a rectangle from streen to a buffer can be handelt in the same way
2496	pBltPos = (char) dest->pDiveBuffer + (DestRect.top dest->dwPitchDB) +
2497	(DestRect.left * dest->dwBytesPPDive);
2498
2499	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
2500	(SrcRect.left * src->dwBytesPPDive);
2501
2502	BlitHeight = pIRectDest->height();
2503	BlitWidth = pIRectDest->width();
2504
2505	// Check for transparent blit
2506	if(!dwFlags)
2507	{
2508	BlitWidth *= dest->dwBytesPPDive;
2509
2510	#ifdef USE_ASM
2511	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
2512	dest->dwPitchDB,
2513	src->dwPitchDB);
2514	#else
2515	// Solid Blit
2516	while(1)
2517	{
2518	memcpy(pBltPos,pSrcPos,BlitWidth);
2519	pBltPos += dest->dwPitchDB;
2520	pSrcPos += src->dwPitchDB;
2521	if(! (--BlitHeight))
2522	break;
2523	}
2524	#endif
2525	}
2526	else
2527	{
2528	WriteLog("Transblt not done yet");
2529	if(dwFlags & DDBLT_KEYSRC)
2530	{
2531	if(!(src->DDSurfaceDesc.dwFlags & DDCKEY_SRCBLT))
2532	{
2533	}
2534	}
2535	else
2536	{
2537	if(dwFlags & DDBLT_KEYSRCOVERRIDE)
2538	{
2539	}
2540	else
2541	{
2542	}
2543	}
2544	}
2545	}
2546	} // end handling source screen
2547	else
2548	{
2549	// DIVE => DIVE or Mem => Dive can be handelt in the same way
2550
2551	if( (src->pDiveBuffer == dest->pDiveBuffer) &&
2552	(pIRectDest->intersects(*pIRectSrc) ) )
2553	{
2554	// Overlapping rects on the same surface ?
2555
2556	// ToDo : Maybe implement all the fancy blit flags here too ? ;)
2557
2558	MoveRects( dest->pDiveBuffer,
2559	(LPRECT)&DestRect,
2560	(LPRECT)&SrcRect,
2561	dest->dwBytesPPDive,
2562	dest->dwPitchDB);
2563
2564	return DD_OK;
2565	}
2566
2567	pBltPos = (char) dest->pDiveBuffer + (DestRect.top dest->dwPitchDB) +
2568	(DestRect.left * dest->dwBytesPPDive);
2569
2570	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
2571	(SrcRect.left * src->dwBytesPPDive);
2572
2573	BlitHeight = pIRectDest->height();
2574	BlitWidth = pIRectDest->width();
2575
2576	// Check for transparent blit
2577	if(!dwFlags)
2578	{
2579	BlitWidth *= dest->dwBytesPPDive;
2580
2581	#ifdef USE_ASM
2582	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
2583	dest->dwPitchDB,
2584	src->dwPitchDB);
2585	#else
2586	// Solid Blit
2587	while(1)
2588	{
2589	memcpy(pBltPos,pSrcPos,BlitWidth);
2590	pBltPos += dest->dwPitchDB;
2591	pSrcPos += src->dwPitchDB;
2592	if(! (--BlitHeight))
2593	break;
2594	}
2595	#endif
2596	}
2597	else
2598	{
2599	DWORD dwPitch = dest->dwPitchDB;
2600
2601	if(dwFlags &DDBLT_ROTATIONANGLE)
2602	{
2603	return DDERR_NOROTATIONHW;
2604	}
2605
2606	if(dwFlags & DDBLT_DDFX)
2607	{
2608	DWORD dwFx;
2609	DWORD dwSrcColor, dwDestColor;
2610
2611	dwFlags &= ~DDBLT_DDFX; // remove the handled flag
2612
2613	if( NULL==lpDDBltFx)
2614	return DDERR_INVALIDPARAMS;
2615
2616	dwFx = lpDDBltFx->dwDDFX;
2617
2618	// Remove unsupported Flags
2619	dwFx &= ~(DDBLTFX_ARITHSTRETCHY \| // Not streach support
2620	DDBLTFX_ZBUFFERBASEDEST \| // All ZBuffer flags are not
2621	DDBLTFX_ZBUFFERRANGE \| // implementet in M$ Dx 6
2622	DDBLTFX_NOTEARING ); // No sync with VRetrace yet
2623
2624	if(dwFx & DDBLTFX_ROTATE180)
2625	{
2626	// 180 degree turn is a mix of a flip up/down and one left/right
2627	dwFx \|= (DDBLTFX_MIRRORUPDOWN \| DDBLTFX_MIRRORLEFTRIGHT);
2628	dwFx &= ~DDBLTFX_ROTATE180; // remove handled flag
2629	}
2630	if(dwFx & DDBLTFX_MIRRORUPDOWN)
2631	{
2632	// switching the the direction can be integrated with other flags
2633	dwPitch = -dwPitch;
2634	pBltPos = (char*) dest->pDiveBuffer +
2635	((DestRect.top +BlitHeight)* dest->dwPitchDB) +
2636	(DestRect.left * dest->dwBytesPPDive);
2637
2638	dwFx &= ~DDBLTFX_MIRRORUPDOWN; // remove handled flag
2639	}
2640
2641	if(dwFx & DDBLTFX_MIRRORLEFTRIGHT)
2642	{
2643	// 180 degree turn or a LR Mirroring
2644	// don't support any other dwFlags like transparent at the moment
2645
2646	switch(dest->dwBytesPPDive)
2647	{
2648	case 1:
2649	while(BlitHeight--)
2650	{
2651	x = BlitWidth;
2652	while(x)
2653	{
2654	pBltPos[BlitWidth-x] = pSrcPos[x];
2655	x--;
2656	}
2657	pBltPos += dwPitch;
2658	pSrcPos += src->dwPitchDB;
2659	}
2660	break;
2661	case 2:
2662	while(BlitHeight--)
2663	{
2664	x = BlitWidth;
2665	while(x)
2666	{
2667	((USHORT)pBltPos)[BlitWidth-x] = ((USHORT)pSrcPos)[x];
2668	x--;
2669	}
2670	pBltPos += dwPitch;
2671	pSrcPos += src->dwPitchDB;
2672	}
2673	break;
2674	case 3:
2675	BlitWidth *= 3;
2676	while(BlitHeight--)
2677	{
2678	x = BlitWidth;
2679	while(x)
2680	{
2681	pBltPos[BlitWidth-x] = pSrcPos[x-2];
2682	x--;
2683	pBltPos[BlitWidth-x] = pSrcPos[x];
2684	x--;
2685	pBltPos[BlitWidth-x] = pSrcPos[x+2];
2686	x--;
2687	}
2688	pBltPos += dwPitch;
2689	pSrcPos += src->dwPitchDB;
2690	}
2691	break;
2692	case 4:
2693	while(BlitHeight--)
2694	{
2695	x = BlitWidth;
2696	while(x)
2697	{
2698	((DWORD)pBltPos)[BlitWidth-x] = ((DWORD)pSrcPos)[x];
2699	x--;
2700	}
2701	pBltPos += dwPitch;
2702	pSrcPos += src->dwPitchDB;
2703	}
2704	break;
2705	} // end switch
2706	dest->lpVtbl->ChangeUniquenessValue(dest);
2707	return DD_OK;
2708	}
2709
2710	#ifdef DEBUG
2711	if(dwFx)
2712	_dump_DDBLTFX(dwFx);
2713	#endif
2714	// We ignore unhandled flags at the moment
2715	}
2716
2717	if( (dwFlags & DDBLT_KEYSRC) \|
2718	(dwFlags & DDBLT_KEYSRCOVERRIDE) )
2719	{
2720	if(dwFlags & DDBLT_KEYSRCOVERRIDE)
2721	{
2722
2723	if( NULL==lpDDBltFx)
2724	return DDERR_INVALIDPARAMS;
2725
2726	dwFlags &= ~DDBLT_KEYSRCOVERRIDE;
2727
2728	// We work like the HEL and test only the low value
2729	dwSrcColor = lpDDBltFx->ddckSrcColorkey.dwColorSpaceLowValue;
2730
2731	}
2732	else
2733	{
2734
2735	dwFlags &= ~DDBLT_KEYSRC;
2736
2737	// Not sure if that is OK maybe check if one is set ?
2738	// if(!(src->DDSurfaceDesc.dwFlags & DDCKEY_SRCBLT)) return DDERR_WRONGPARAM;?
2739
2740	dwSrcColor = src->DDSurfaceDesc.ddckCKSrcBlt.dwColorSpaceLowValue;
2741	}
2742
2743	// ToDo : We currently indicate that we don't support
2744	// DDBLT_KEYDEST but HEL does change that!
2745	// also add this key in the get/setColorKey functions
2746
2747	if( (dwFlags & DDBLT_KEYDEST) \|
2748	(dwFlags & DDBLT_KEYDESTOVERRIDE) )
2749	{
2750	// Source and dest color keying SLOW!!!
2751	if(dwFlags & DDBLT_KEYDESTOVERRIDE)
2752	{
2753	if( NULL==lpDDBltFx)
2754	return DDERR_INVALIDPARAMS;
2755
2756	dwFlags &= ~DDBLT_KEYDESTOVERRIDE;
2757
2758	// We work like the HEL and test only the low value
2759	dwDestColor = lpDDBltFx->ddckDestColorkey.dwColorSpaceLowValue;
2760
2761	}
2762	else
2763	{
2764
2765	dwFlags &= ~DDBLT_KEYDEST;
2766
2767	// Not sure if that is OK maybe check if one is set ?
2768	// if(!(Dest->DDSurfaceDesc.dwFlags & DDCKEY_DESTBLT)) return DDERR_WRONGPARAM;?
2769
2770	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
2771	}
2772
2773	// This will be be slow maybe move to ASM ?
2774	// using MMX should be much faster
2775	switch(dest->dwBytesPPDive)
2776	{
2777	case 1:
2778	while(BlitHeight--)
2779	{
2780	x = 0;
2781	while(x<BlitWidth)
2782	{
2783	if(pSrcPos[x] != (char) dwSrcColor)
2784	{
2785	if(pBltPos[x] != (char) dwDestColor)
2786	pBltPos[x] = pSrcPos[x];
2787	}
2788	x++;
2789	}
2790	pBltPos += dwPitch;
2791	pSrcPos += src->dwPitchDB;
2792	}
2793	break;
2794	case 2:
2795	while(BlitHeight--)
2796	{
2797	x = 0;
2798	while(x<BlitWidth)
2799	{
2800	if(((USHORT*)pSrcPos)[x] != (USHORT) dwSrcColor)
2801	{
2802	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
2803	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
2804	}
2805	x++;
2806	}
2807	pBltPos += dwPitch;
2808	pSrcPos += src->dwPitchDB;
2809	}
2810	break;
2811	case 3:
2812	{
2813	char pSC, pDC;
2814	pSC = (char*)&dwSrcColor;
2815	pDC = (char*)&dwDestColor;
2816	BlitWidth *=3;
2817
2818	while(BlitHeight--)
2819	{
2820	x = 0;
2821
2822	while(x<BlitWidth)
2823	{
2824	if( (pSrcPos[x] != pSC[1]) &&
2825	(pSrcPos[x+1] != pSC[2]) &&
2826	(pSrcPos[x+2] != pSC[3])
2827	)
2828	{
2829	if( (pBltPos[x] != pDC[1]) &&
2830	(pBltPos[x+1] != pDC[2]) &&
2831	(pBltPos[x+2] != pDC[3])
2832	)
2833	{
2834	pBltPos[x] = pSrcPos[x];
2835	pBltPos[x+1] = pSrcPos[x+2];
2836	pBltPos[x+1] = pSrcPos[x+2];
2837	}
2838	}
2839	x +=3;
2840	}
2841	pBltPos += dwPitch;
2842	pSrcPos += src->dwPitchDB;
2843	}
2844	break;
2845	}
2846	case 4:
2847	while(BlitHeight--)
2848	{
2849	x = 0;
2850	while(x<BlitWidth)
2851	{
2852	if(((DWORD*)pSrcPos)[x] != dwSrcColor)
2853	{
2854	if(((DWORD*)pBltPos)[x] != dwDestColor)
2855	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
2856	}
2857	x++;
2858	}
2859	pBltPos += dwPitch;
2860	pSrcPos += src->dwPitchDB;
2861	}
2862	break;
2863	} // End switch
2864	}
2865	else
2866	{
2867	// Only Source colorkey
2868	}
2869	dest->lpVtbl->ChangeUniquenessValue(dest);
2870	return DD_OK;
2871	}
2872
2873	if( (dwFlags & DDBLT_KEYDEST) \|
2874	(dwFlags & DDBLT_KEYDESTOVERRIDE) )
2875	{
2876	// Dest color keying SLOW!!!
2877	if(dwFlags & DDBLT_KEYSRCOVERRIDE)
2878	{
2879	if( NULL==lpDDBltFx)
2880	return DDERR_INVALIDPARAMS;
2881
2882	dwFlags &= ~DDBLT_KEYSRCOVERRIDE;
2883
2884	// We work like the HEL and test only the low value
2885	dwDestColor = lpDDBltFx->ddckDestColorkey.dwColorSpaceLowValue;
2886
2887	}
2888	else
2889	{
2890
2891	dwFlags &= ~DDBLT_KEYDEST;
2892
2893	// Not sure if that is OK maybe check if one is set ?
2894	// if(!(src->DDSurfaceDesc.dwFlags & DDCKEY_DESTBLT)) return DDERR_WRONGPARAM;?
2895
2896	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
2897	}
2898
2899	// This will be be slow maybe move to ASM ?
2900	// using MMX should be much faster
2901	switch(dest->dwBytesPPDive)
2902	{
2903	case 1:
2904	while(BlitHeight--)
2905	{
2906	x = 0;
2907	while(x<BlitWidth)
2908	{
2909	if(pBltPos[x] != (char) dwDestColor)
2910	pBltPos[x] = pSrcPos[x];
2911	x++;
2912	}
2913	pBltPos += dwPitch;
2914	pSrcPos += src->dwPitchDB;
2915	}
2916	break;
2917	case 2:
2918	while(BlitHeight--)
2919	{
2920	x = 0;
2921	while(x<BlitWidth)
2922	{
2923	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
2924	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
2925	x++;
2926	}
2927	pBltPos += dwPitch;
2928	pSrcPos += src->dwPitchDB;
2929	}
2930	break;
2931	case 3:
2932	{
2933	char pSC, pDC;
2934	pSC = (char*)&dwSrcColor;
2935	pDC = (char*)&dwDestColor;
2936	BlitWidth *=3;
2937
2938	while(BlitHeight--)
2939	{
2940	x = 0;
2941
2942	while(x<BlitWidth)
2943	{
2944	if( (pBltPos[x] != pDC[1]) &&
2945	(pBltPos[x+1] != pDC[2]) &&
2946	(pBltPos[x+2] != pDC[3])
2947	)
2948	{
2949	pBltPos[x] = pSrcPos[x];
2950	pBltPos[x+1] = pSrcPos[x+2];
2951	pBltPos[x+1] = pSrcPos[x+2];
2952	}
2953	x +=3;
2954	}
2955	pBltPos += dwPitch;
2956	pSrcPos += src->dwPitchDB;
2957	}
2958	break;
2959	}
2960	case 4:
2961	while(BlitHeight--)
2962	{
2963	x = 0;
2964	while(x<BlitWidth)
2965	{
2966	if( ((DWORD*)pBltPos)[x] != dwDestColor)
2967	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
2968	x++;
2969	}
2970	pBltPos += dwPitch;
2971	pSrcPos += src->dwPitchDB;
2972	}
2973	break;
2974	} // End switch
2975	} // End of Dest ColorKey
2976
2977
2978	}// end handling dwFlags
2979	} // End handling source not Framebuffer
2980
2981	}// end handling destination not framebuffer
2982
2983	dest->lpVtbl->ChangeUniquenessValue(dest);
2984	return(DD_OK);
2985	}
2986	//******************************************************************************
2987	//******************************************************************************
2988	HRESULT __stdcall SurfBltBatch(THIS, LPDDBLTBATCH, DWORD, DWORD )
2989	{
2990	#ifdef DEBUG
2991	WriteLog("SurfBltBatch Not implemented by M$\n");
2992	#endif
2993
2994	return(DD_OK);
2995	}
2996	//******************************************************************************
2997	//******************************************************************************
2998	HRESULT __stdcall SurfBltFast(THIS, DWORD,DWORD,LPDIRECTDRAWSURFACE2, LPRECT,DWORD)
2999	{
3000	#ifdef DEBUG
3001	WriteLog("SurfBltFast NIY\n");
3002	#endif
3003
3004	return(DD_OK);
3005	}
3006	//******************************************************************************
3007	//******************************************************************************
3008	HRESULT __stdcall SurfBltFast4( THIS This,
3009	DWORD dwX,
3010	DWORD dwY,
3011	LPDIRECTDRAWSURFACE4 lpDDSrcSurface,
3012	LPRECT lpSrcRect,
3013	DWORD dwTrans)
3014	{
3015	OS2IDirectDrawSurface dest = (OS2IDirectDrawSurface )This;
3016	OS2IDirectDrawSurface src = (OS2IDirectDrawSurface )lpDDSrcSurface;
3017	RECTL SrcRect;
3018	char pBltPos, pSrcPos;
3019	DWORD dwDestColor, dwSrcColor, BlitWidth, BlitHeight,x,y;
3020
3021	#ifdef DEBUG
3022	WriteLog("SurfBltFast4 %08X at(%d/%d) onto %08X with flags %08X\n",src, dwX,dwY, dest, dwTrans);
3023	#endif
3024
3025	if( (NULL==lpDDSrcSurface) \|\|
3026	(dwX<0) \|\| (dwY<0) \|\|
3027	(dwX>dest->width) \|\|
3028	(dwY>dest->height))
3029	{
3030	WriteLog("Invalid Parameters %08X, %d %d", lpDDSrcSurface ,dest->width , dest->height);
3031	return DDERR_INVALIDPARAMS;
3032	}
3033
3034	if (NULL!=lpSrcRect)
3035	{
3036	memcpy(&SrcRect,lpSrcRect,sizeof(RECTL) );
3037	}
3038	else
3039	{
3040	SrcRect.top = 0;
3041	SrcRect.left = 0;
3042	SrcRect.bottom = src->height;
3043	SrcRect.right = src->width;
3044	}
3045
3046	// Todo: Test for locked src/dest
3047
3048	pBltPos = (char) dest->pDiveBuffer + (dwY dest->dwPitchDB) +
3049	(dwX * dest->dwBytesPPDive);
3050
3051	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
3052	(SrcRect.left * src->dwBytesPPDive);
3053
3054	BlitHeight = SrcRect.bottom - SrcRect.top;
3055	BlitWidth = (SrcRect.right - SrcRect.left) * src->dwBytesPPDive;
3056
3057	// Remove unsupported wait flag
3058	dwTrans &= ~DDBLTFAST_WAIT;
3059
3060	if(DDBLTFAST_NOCOLORKEY == dwTrans )
3061	{
3062	WriteLog("Solid Blit");
3063	#ifdef USE_ASM
3064	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
3065	dest->dwPitchDB,
3066	src->dwPitchDB);
3067	#else
3068	// Solid Blit
3069	while(1)
3070	{
3071	memcpy(pBltPos,pSrcPos,BlitWidth);
3072	pBltPos += dest->dwPitchDB;
3073	pSrcPos += src->dwPitchDB;
3074	if(! (--BlitHeight))
3075	break;
3076	}
3077	#endif
3078
3079	}
3080	else
3081	{
3082	WriteLog("TransBlit\n");
3083
3084	if(dwTrans & DDBLTFAST_SRCCOLORKEY)
3085	{
3086	WriteLog("Trans SRC\n");
3087	// transparent source
3088	dwSrcColor = src->DDSurfaceDesc.ddckCKSrcBlt.dwColorSpaceLowValue;
3089	if(dwTrans & DDBLTFAST_DESTCOLORKEY)
3090	{
3091	WriteLog("And Dest Colorkey");
3092	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
3093	// Source and dest colorkeying
3094	switch(dest->dwBytesPPDive)
3095	{
3096	case 1:
3097	while(BlitHeight--)
3098	{
3099	x = 0;
3100	while(x<BlitWidth)
3101	{
3102	if(pSrcPos[x] != (char) dwSrcColor)
3103	{
3104	if(pBltPos[x] != (char) dwDestColor)
3105	pBltPos[x] = pSrcPos[x];
3106	}
3107	x++;
3108	}
3109	pBltPos += dest->dwPitchDB;
3110	pSrcPos += src->dwPitchDB;
3111	}
3112	break;
3113	case 2:
3114	while(BlitHeight--)
3115	{
3116	x = 0;
3117	while(x<BlitWidth)
3118	{
3119	if(((USHORT*)pSrcPos)[x] != (USHORT) dwSrcColor)
3120	{
3121	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
3122	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
3123	}
3124	x++;
3125	}
3126	pBltPos += dest->dwPitchDB;
3127	pSrcPos += src->dwPitchDB;
3128	}
3129	break;
3130	case 3:
3131	{
3132	char pSC, pDC;
3133	pSC = (char*)&dwSrcColor;
3134	pDC = (char*)&dwDestColor;
3135	BlitWidth *=3;
3136
3137	while(BlitHeight--)
3138	{
3139	x = 0;
3140
3141	while(x<BlitWidth)
3142	{
3143	if( (pSrcPos[x] != pSC[1]) &&
3144	(pSrcPos[x+1] != pSC[2]) &&
3145	(pSrcPos[x+2] != pSC[3])
3146	)
3147	{
3148	if( (pBltPos[x] != pDC[1]) &&
3149	(pBltPos[x+1] != pDC[2]) &&
3150	(pBltPos[x+2] != pDC[3])
3151	)
3152	{
3153	pBltPos[x] = pSrcPos[x];
3154	pBltPos[x+1] = pSrcPos[x+2];
3155	pBltPos[x+1] = pSrcPos[x+2];
3156	}
3157	}
3158	x +=3;
3159	}
3160	pBltPos += dest->dwPitchDB;
3161	pSrcPos += src->dwPitchDB;
3162	}
3163	break;
3164	}
3165	case 4:
3166	while(BlitHeight--)
3167	{
3168	x = 0;
3169	while(x<BlitWidth)
3170	{
3171	if(((DWORD*)pSrcPos)[x] != dwSrcColor)
3172	{
3173	if(((DWORD*)pBltPos)[x] != dwDestColor)
3174	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
3175	}
3176	x++;
3177	}
3178	pBltPos += dest->dwPitchDB;
3179	pSrcPos += src->dwPitchDB;
3180	}
3181	break;
3182	} // End switch
3183	}
3184	else
3185	{
3186	// This MMX detection should be moved into OS2Draw
3187	// and into the surface constructor a setup for blitting pointers
3188	WriteLog("Only Src ColorKey");
3189	switch(dest->dwBytesPPDive)
3190	{
3191	case 1:
3192	if(CPUHasMMX())
3193	while(BlitHeight--)
3194	{
3195	BlitColorKey8MMX((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3196	pBltPos += dest->dwPitchDB;
3197	pSrcPos += src->dwPitchDB;
3198	}
3199	else
3200	while(BlitHeight--)
3201	{
3202	BlitColorKey8((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3203	pBltPos += dest->dwPitchDB;
3204	pSrcPos += src->dwPitchDB;
3205	}
3206	break;
3207	case 2:
3208
3209	if(CPUHasMMX())
3210	while(BlitHeight--)
3211	{
3212	BlitColorKey16MMX((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3213	pBltPos += dest->dwPitchDB;
3214	pSrcPos += src->dwPitchDB;
3215	}
3216	else
3217	while(BlitHeight--)
3218	{
3219	BlitColorKey16((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3220	pBltPos += dest->dwPitchDB;
3221	pSrcPos += src->dwPitchDB;
3222	}
3223	break;
3224	case 3:
3225	char *pSC;
3226	pSC = (char*)&dwSrcColor;
3227	BlitWidth *=3;
3228
3229	while(BlitHeight--)
3230	{
3231	x = 0;
3232
3233	while(x<BlitWidth)
3234	{
3235	if( (pSrcPos[x] != pSC[1]) &&
3236	(pSrcPos[x+1] != pSC[2]) &&
3237	(pSrcPos[x+2] != pSC[3])
3238	)
3239	{
3240	pBltPos[x] = pSrcPos[x];
3241	pBltPos[x+1] = pSrcPos[x+1];
3242	pBltPos[x+1] = pSrcPos[x+2];
3243	}
3244	x +=3;
3245	}
3246	pBltPos += dest->dwPitchDB;
3247	pSrcPos += src->dwPitchDB;
3248	}
3249	break;
3250	case 4:
3251	break;
3252	}
3253	}
3254	}
3255	else
3256	{
3257	if(dwTrans & DDBLTFAST_DESTCOLORKEY)
3258	{
3259	WriteLog("DestColorKey\n");
3260
3261	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
3262	switch(dest->dwBytesPPDive)
3263	{
3264	case 1:
3265	while(BlitHeight--)
3266	{
3267	x = 0;
3268	while(x<BlitWidth)
3269	{
3270	if(pBltPos[x] != (char) dwDestColor)
3271	pBltPos[x] = pSrcPos[x];
3272	x++;
3273	}
3274	pBltPos += dest->dwPitchDB;
3275	pSrcPos += src->dwPitchDB;
3276	}
3277	break;
3278	case 2:
3279	while(BlitHeight--)
3280	{
3281	x = 0;
3282	while(x<BlitWidth)
3283	{
3284	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
3285	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
3286	x++;
3287	}
3288	pBltPos += dest->dwPitchDB;
3289	pSrcPos += src->dwPitchDB;
3290	}
3291	break;
3292	case 3:
3293	{
3294	char pSC, pDC;
3295	pSC = (char*)&dwSrcColor;
3296	pDC = (char*)&dwDestColor;
3297	BlitWidth *=3;
3298
3299	while(BlitHeight--)
3300	{
3301	x = 0;
3302
3303	while(x<BlitWidth)
3304	{
3305	if( (pBltPos[x] != pDC[1]) &&
3306	(pBltPos[x+1] != pDC[2]) &&
3307	(pBltPos[x+2] != pDC[3])
3308	)
3309	{
3310	pBltPos[x] = pSrcPos[x];
3311	pBltPos[x+1] = pSrcPos[x+2];
3312	pBltPos[x+1] = pSrcPos[x+2];
3313	}
3314	x +=3;
3315	}
3316	pBltPos += dest->dwPitchDB;
3317	pSrcPos += src->dwPitchDB;
3318	}
3319	break;
3320	}
3321	case 4:
3322	while(BlitHeight--)
3323	{
3324	x = 0;
3325	while(x<BlitWidth)
3326	{
3327	if(((DWORD*)pBltPos)[x] != dwDestColor)
3328	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
3329	x++;
3330	}
3331	pBltPos += dest->dwPitchDB;
3332	pSrcPos += src->dwPitchDB;
3333	}
3334	break;
3335	} // End switch
3336	}
3337	else
3338	{
3339	WriteLog("Unexpected Flags");
3340	}
3341	}
3342	}
3343	dest->lpVtbl->ChangeUniquenessValue(dest);
3344
3345
3346	return(DD_OK);
3347	}
3348	//******************************************************************************
3349	//******************************************************************************
3350	HRESULT __stdcall SurfDeleteAttachedSurface(THIS This, DWORD dwFlags, LPDIRECTDRAWSURFACE2 lpDDSurface)
3351	{
3352	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3353	#ifdef DEBUG
3354	WriteLog("SurfDeleteAttachedSurface\n");
3355	#endif
3356
3357	return(SurfDeleteAttachedSurface4(me, dwFlags, (LPDIRECTDRAWSURFACE4)lpDDSurface));
3358	}
3359	//******************************************************************************
3360	//******************************************************************************
3361	HRESULT __stdcall SurfDeleteAttachedSurface4(THIS This, DWORD dwFlags , LPDIRECTDRAWSURFACE4 lpDDSurface)
3362	{
3363
3364	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3365	OS2IDirectDrawSurface *AttachedSurface;
3366	OS2IDirectDrawSurface *SurfaceCursor;
3367	int i;
3368
3369	BOOL Found = FALSE;
3370	#ifdef DEBUG
3371	WriteLog("SurfDeleteAttachedSurface\n");
3372	#endif
3373
3374	if((0!=dwFlags)\|\|(NULL==lpDDSurface))
3375	return(DDERR_INVALIDPARAMS);
3376
3377	AttachedSurface = (OS2IDirectDrawSurface*) lpDDSurface;
3378	if (AttachedSurface->IsImplicitSurface())
3379	return (DDERR_CANNOTDETACHSURFACE);
3380
3381	if ( (AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & ( DDSCAPS_FLIP \| DDSCAPS_BACKBUFFER)) &&
3382	!(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER) )
3383	{
3384	// Surface seams to be a backbuffer in a flipchain search it
3385
3386	// Goto top of list
3387	if(me->FrontBuffer!=NULL)
3388	{
3389	SurfaceCursor = me->FrontBuffer;
3390	while(SurfaceCursor->GetFrontBuffer()!=NULL)
3391	SurfaceCursor = SurfaceCursor->GetFrontBuffer();
3392	}
3393	else
3394	SurfaceCursor = me;
3395
3396	// now iterrate through the list skip first in list as we don't remove the frontbuffer
3397
3398	SurfaceCursor = SurfaceCursor->BackBuffer;
3399	while((SurfaceCursor!= AttachedSurface)&&(SurfaceCursor!=NULL))
3400	SurfaceCursor = SurfaceCursor->BackBuffer;
3401
3402	if(SurfaceCursor!=NULL)
3403	{
3404	Found = TRUE;
3405	// remove the Surface from the list
3406	SurfaceCursor->FrontBuffer->BackBuffer = SurfaceCursor->BackBuffer;
3407	if(SurfaceCursor->BackBuffer!=NULL)
3408	{
3409	SurfaceCursor->BackBuffer->SetFrontBuffer(SurfaceCursor->FrontBuffer);
3410
3411	}
3412	else
3413	{
3414	// we were the last buffer in the list have we been the only backbuffer?
3415	if(SurfaceCursor->FrontBuffer->FrontBuffer == NULL)
3416	{
3417	// Yepp so "destroy" the flipchain
3418	SurfaceCursor->FrontBuffer->DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FLIP;
3419	SurfaceCursor->FrontBuffer->DDSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
3420	}
3421	}
3422	// decrement the backbuffer count of all buffers in the chain in front of us
3423	while(SurfaceCursor->GetFrontBuffer()!=NULL)
3424	{
3425	SurfaceCursor = SurfaceCursor->GetFrontBuffer();
3426	SurfaceCursor->DDSurfaceDesc.dwBackBufferCount-- ;
3427	}
3428
3429	AttachedSurface->DDSurfaceDesc.dwBackBufferCount = 0;
3430	AttachedSurface->DDSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
3431	AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FLIP;
3432	AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_BACKBUFFER; // Set this flag as adding to the chain removed it
3433	AttachedSurface->lpVtbl->Release(AttachedSurface);
3434
3435	}
3436	} //endif delete back/frontbuffers
3437
3438	if ( (!Found) && (AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & ( DDSCAPS_FLIP & DDSCAPS_FRONTBUFFER)) )
3439	{
3440	// seams like someone wants a new frontbuffer
3441
3442	// Goto top of list
3443
3444	if(me->FrontBuffer!=NULL)
3445	{
3446	SurfaceCursor = me->FrontBuffer;
3447	while(SurfaceCursor->GetFrontBuffer()!=NULL)
3448	SurfaceCursor = SurfaceCursor->GetFrontBuffer();
3449	}
3450	else
3451	SurfaceCursor = me;
3452
3453	if(SurfaceCursor == AttachedSurface)
3454	{
3455	Found = TRUE;
3456	SurfaceCursor->BackBuffer->SetFrontBuffer(NULL);
3457	AttachedSurface->DDSurfaceDesc.dwBackBufferCount = 0;
3458	AttachedSurface->DDSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
3459	AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FLIP;
3460	AttachedSurface->lpVtbl->Release(AttachedSurface);
3461	}
3462
3463	}
3464
3465
3466	if ( (!Found) && (AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP ) )
3467	{
3468	// Surface seams to be a mipmap
3469	i = 0;
3470	while((DPA_GetPtrCount(me->DPA_SurfaceMipMaps)>i ) && !Found)
3471	{
3472	if (DPA_FastGetPtr(me->DPA_SurfaceMipMaps,i) == AttachedSurface)
3473	{
3474	Found = TRUE;
3475	DPA_DeletePtr(me->DPA_SurfaceMipMaps,i);
3476	AttachedSurface->lpVtbl->Release(AttachedSurface);
3477	// adjust our info
3478	me->DDSurfaceDesc.dwMipMapCount-- ;
3479	if (!me->DDSurfaceDesc.dwMipMapCount)
3480	{
3481	me->DDSurfaceDesc.dwFlags &= ~DDSD_MIPMAPCOUNT;
3482	}
3483	}
3484	i++;
3485	}
3486	}
3487
3488	if(!Found)
3489	{
3490	// Surface seams to be an attached one
3491	i = 0;
3492	while((DPA_GetPtrCount(me->DPA_SurfaceAttached)>i ) && !Found)
3493	{
3494	if (DPA_FastGetPtr(me->DPA_SurfaceAttached,i) == AttachedSurface)
3495	{
3496	Found = TRUE;
3497	DPA_DeletePtr(me->DPA_SurfaceAttached,i);
3498	AttachedSurface->lpVtbl->Release(AttachedSurface);
3499	}
3500	i++;
3501	}
3502	}
3503
3504
3505	return(Found?DD_OK:DDERR_SURFACENOTATTACHED);
3506	}
3507	//******************************************************************************
3508	//******************************************************************************
3509	HRESULT __stdcall SurfEnumAttachedSurfaces(THIS This, LPVOID lpContext, LPDDENUMSURFACESCALLBACK lpCallBack)
3510	{
3511	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3512	#ifdef DEBUG
3513	WriteLog("SurfEnumAttachedSurfaces\n");
3514	#endif
3515
3516	return(SurfEnumAttachedSurfaces4(me,lpContext, (LPDDENUMSURFACESCALLBACK2) lpCallBack));
3517	}
3518	//******************************************************************************
3519	//******************************************************************************
3520	HRESULT __stdcall SurfEnumAttachedSurfaces4(THIS This, LPVOID lpContext ,LPDDENUMSURFACESCALLBACK2 lpCallBack)
3521	{
3522	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3523	OS2IDirectDrawSurface *EnumSurface;
3524	DDSURFACEDESC2 EnumDesc;
3525	int i,count;
3526	HRESULT rc;
3527
3528	#ifdef DEBUG
3529	WriteLog("SurfEnumAttachedSurfaces\n");
3530	#endif
3531	if (NULL==lpCallBack)
3532	return (DDERR_INVALIDPARAMS);
3533
3534	rc = DDENUMRET_OK;
3535
3536
3537	if(me->BackBuffer != NULL)
3538	{
3539	memcpy(&EnumDesc,&(me->DDSurfaceDesc),sizeof(DDSURFACEDESC2));
3540	rc = lpCallBack((LPDIRECTDRAWSURFACE4)me->BackBuffer,&EnumDesc,lpContext);
3541	}
3542
3543	count = DPA_GetPtrCount(me->DPA_SurfaceMipMaps);
3544
3545	if(count>0)
3546	{
3547	i=0;
3548	while( (DDENUMRET_OK == rc) && i<count )
3549	{
3550	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceMipMaps,i);
3551	memcpy( &EnumDesc,
3552	&(EnumSurface->DDSurfaceDesc),
3553	sizeof(DDSURFACEDESC2));
3554	// Calling back into WIN32 app so we had to reset FS
3555	rc = lpCallBack((LPDIRECTDRAWSURFACE4)EnumSurface,&EnumDesc,lpContext);
3556	i++;
3557	}
3558	}
3559
3560	count = DPA_GetPtrCount(me->DPA_SurfaceAttached);
3561
3562	if(count>0)
3563	{
3564	i=0;
3565	while( (DDENUMRET_OK == rc) && i<count )
3566	{
3567	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceAttached,i);
3568	memcpy( &EnumDesc,
3569	&(EnumSurface->DDSurfaceDesc),
3570	sizeof(DDSURFACEDESC2));
3571	rc = lpCallBack((LPDIRECTDRAWSURFACE4)EnumSurface,&EnumDesc,lpContext);
3572	i++;
3573	}
3574	}
3575
3576	return(DD_OK);
3577	}
3578	//******************************************************************************
3579	//******************************************************************************
3580	HRESULT __stdcall SurfEnumOverlayZOrders(THIS, DWORD,LPVOID,LPDDENUMSURFACESCALLBACK)
3581	{
3582	#ifdef DEBUG
3583	WriteLog("SurfEnumOverlayZOrders\n");
3584	#endif
3585
3586	return(DD_OK);
3587	}
3588	//******************************************************************************
3589	//******************************************************************************
3590	HRESULT __stdcall SurfEnumOverlayZOrders4(THIS, DWORD,LPVOID,LPDDENUMSURFACESCALLBACK2)
3591	{
3592	#ifdef DEBUG
3593	WriteLog("SurfEnumOverlayZOrders\n");
3594	#endif
3595
3596	return(DD_OK);
3597	}
3598	//******************************************************************************
3599	//******************************************************************************
3600	HRESULT __stdcall SurfFlip(THIS This, LPDIRECTDRAWSURFACE2 lpDDSurf, DWORD dwFlags)
3601	{
3602	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3603	#ifdef DEBUG
3604	WriteLog("SurfFlip\n");
3605	#endif
3606
3607	return(SurfFlip4(me, (LPDIRECTDRAWSURFACE4) lpDDSurf, dwFlags));
3608	}
3609	//******************************************************************************
3610	//******************************************************************************
3611	HRESULT __stdcall SurfFlip4(THIS This, LPDIRECTDRAWSURFACE4 lpDDSurf, DWORD dwFlags)
3612	{
3613	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3614	OS2IDirectDrawSurface *FlipSurface;
3615	OS2IDirectDrawSurface *FlipCursor;
3616	LPVOID Data;
3617	char pcrFB,pcFB,pcrDB,pcDB;
3618	ULONG rc;
3619
3620	#ifdef DEBUG
3621	WriteLog("SurfFlip4\n");
3622	#endif
3623	if(!((me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER) &&
3624	(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FLIP))
3625	)
3626	{
3627	#ifdef DEBUG
3628	WriteLog("Flip called on none Frontbuffer/Flip surface\n Flags:\n");
3629	_dump_DDSCAPS(me->DDSurfaceDesc.ddsCaps.dwCaps);
3630	WriteLog("\n");
3631	#endif
3632	return(DDERR_NOTFLIPPABLE);
3633	}
3634
3635	if(NULL!=lpDDSurf)
3636	{
3637	#ifdef DEBUG
3638	WriteLog("Check if Surface is in Flipchain!\n");
3639	#endif
3640
3641	// We got an override surface check if it is in the flipchain
3642	FlipSurface = (OS2IDirectDrawSurface*) lpDDSurf;
3643	FlipCursor = me->BackBuffer;
3644	while((NULL!=FlipCursor)&&(FlipCursor!=FlipSurface))
3645	{
3646	FlipCursor = FlipCursor->BackBuffer;
3647	}
3648
3649	if(FlipCursor!=FlipSurface)
3650	{
3651	#ifdef DEBUG
3652	WriteLog("Surface not in Flipchain!\n");
3653	#endif
3654	return (DDERR_INVALIDPARAMS); // Not sure if the returnvalue is right
3655	}
3656	}
3657	else
3658	{
3659	FlipSurface = me->NextFlip; // Take the next Surface in the Flipchain
3660	#ifdef DEBUG
3661	WriteLog("Next Surface @ 0x%08X\n",FlipSurface);
3662	#endif
3663	}
3664
3665	if((me->fLocked)\|\|(FlipSurface->fLocked))
3666	{
3667	#ifdef DEBUG
3668	WriteLog("Locked surface(s) Dest %d Src %d\n",me->fLocked,FlipSurface->fLocked);
3669	#endif
3670	return(DDERR_SURFACEBUSY);
3671	}
3672
3673	if(-1 != me->diveBufNr)
3674	{
3675	#ifdef DEBUG
3676	WriteLog("DIVE Flipchain");
3677	#endif
3678
3679	// we got some DIVE surfaces
3680	// On Dive Buffers More then Double buffering won't get any perf. gain
3681	// as we have to move all the data to the Frontbuffer and can't simply exchange the pointers
3682	// Doulebuffering should work best.
3683
3684	rc = DiveBlitImage(me->hDive, FlipSurface->diveBufNr, me->diveBufNr);
3685
3686	#ifdef DEBUG
3687	WriteLog("DiveBlitImage rc = 0x%08X\n");
3688	#endif
3689
3690	if(NULL==lpDDSurf)
3691	{
3692	// advance in the flipchain if no valid override surface was passed in
3693	me->NextFlip = FlipSurface->BackBuffer!=NULL?FlipSurface->BackBuffer:me->BackBuffer;
3694	}
3695	}
3696	else
3697	{
3698	#ifdef DEBUG
3699	WriteLog("Memory Flipchain");
3700	#endif
3701	// Memory Flipchain
3702	//
3703	// ToDo : Check what happens to src/dest colorkeys etc do the move also ?
3704	//
3705	// We only change the memory pointer to the buffers no need to copy all the data
3706	// So the NextFlip is here allways the Backbuffer so we won't advance this
3707	//
3708	// Sample (triple buffering) : Before Flip After Flip
3709	// Buffer: FB BB TB FB BB TB
3710	// Memory: 11 22 33 22 33 11
3711	//
3712
3713	Data = me->DDSurfaceDesc.lpSurface;
3714	pcrFB = me->pFBreal;
3715	pcFB = me->pFrameBuffer;
3716	pcrDB = me->pDBreal;
3717	pcDB = me->pDiveBuffer;
3718	me->DDSurfaceDesc.lpSurface = FlipSurface->DDSurfaceDesc.lpSurface;
3719	me->pFBreal = FlipSurface->pFBreal;
3720	me->pFrameBuffer = FlipSurface->pFrameBuffer;
3721	me->pDBreal = FlipSurface->pDBreal;
3722	me->pDiveBuffer = FlipSurface->pDiveBuffer;
3723
3724	if(NULL==lpDDSurf)
3725	{
3726	while(NULL!=FlipSurface->BackBuffer)
3727	{
3728	FlipSurface->DDSurfaceDesc.lpSurface = FlipSurface->BackBuffer->DDSurfaceDesc.lpSurface;
3729	FlipSurface->pFBreal = FlipSurface->BackBuffer->pFBreal;
3730	FlipSurface->pFrameBuffer = FlipSurface->BackBuffer->pFrameBuffer;
3731	FlipSurface->pDBreal = FlipSurface->BackBuffer->pDBreal;
3732	FlipSurface->pDiveBuffer = FlipSurface->BackBuffer->pDiveBuffer;
3733	FlipSurface = FlipSurface->BackBuffer;
3734	}
3735	}
3736	FlipSurface->DDSurfaceDesc.lpSurface = Data;
3737	FlipSurface->pFBreal = pcrFB;
3738	FlipSurface->pFrameBuffer = pcFB;
3739	FlipSurface->pDBreal = pcrDB;
3740	FlipSurface->pDiveBuffer = pcDB;
3741	}
3742
3743	return(DD_OK);
3744	}
3745	//******************************************************************************
3746	//******************************************************************************
3747	HRESULT __stdcall SurfGetAttachedSurface(THIS This, LPDDSCAPS lpDDCaps,
3748	LPDIRECTDRAWSURFACE2 FAR * lpDDSurf)
3749	{
3750	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3751	#ifdef DEBUG
3752	WriteLog("SurfGetAttachedSurface\n");
3753	#endif
3754
3755	return(SurfGetAttachedSurface4(me, (LPDDSCAPS2)lpDDCaps , (LPDIRECTDRAWSURFACE4*)lpDDSurf));
3756	}
3757	//******************************************************************************
3758	//******************************************************************************
3759	HRESULT __stdcall SurfGetAttachedSurface4(THIS This, LPDDSCAPS2 lpDDCaps,
3760	LPDIRECTDRAWSURFACE4 FAR * lpDDSurf)
3761	{
3762	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3763	OS2IDirectDrawSurface *EnumSurface = NULL;
3764	OS2IDirectDrawSurface *AttachedSurface = NULL;
3765	HRESULT rc;
3766	int i;
3767
3768	#ifdef DEBUG
3769	WriteLog("SurfGetAttachedSurface4\n>Requested Caps: ");
3770	_dump_DDSCAPS(lpDDCaps->dwCaps);
3771	WriteLog("\n");
3772	#endif
3773
3774	if( (NULL==lpDDCaps)\|\|(NULL==lpDDSurf))
3775	{
3776	WriteLog("Invalid params\n\n");
3777	return (DDERR_INVALIDPARAMS);
3778	}
3779
3780
3781	rc = DD_OK;
3782
3783	if( (me->BackBuffer!=NULL) &&
3784	(me->BackBuffer->DDSurfaceDesc.ddsCaps.dwCaps & lpDDCaps->dwCaps) )
3785	{
3786	WriteLog("Return Backbuffer\n");
3787	AttachedSurface = me->BackBuffer;
3788	}
3789
3790	if(DPA_GetPtrCount(me->DPA_SurfaceMipMaps)>0)
3791	{
3792	i=0;
3793	while( i<DPA_GetPtrCount(me->DPA_SurfaceMipMaps) )
3794	{
3795	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceMipMaps,i);
3796	if(EnumSurface->DDSurfaceDesc.ddsCaps.dwCaps == lpDDCaps->dwCaps)
3797	{
3798	if(NULL==AttachedSurface)
3799	AttachedSurface = EnumSurface;
3800	else
3801	rc = DDERR_NOTFOUND; // Not sure if this is the right return value,
3802	// but function must fail if more then one surface fits
3803
3804	}
3805	i++;
3806	}
3807	}
3808
3809	if(DPA_GetPtrCount(me->DPA_SurfaceAttached)>0)
3810	{
3811	i=0;
3812	while( i<DPA_GetPtrCount(me->DPA_SurfaceAttached) )
3813	{
3814	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceAttached,i);
3815	if(EnumSurface->DDSurfaceDesc.ddsCaps.dwCaps == lpDDCaps->dwCaps)
3816	{
3817	if(NULL==AttachedSurface)
3818	AttachedSurface = EnumSurface;
3819	else
3820	rc = DDERR_NOTFOUND; // Not sure if this is the right return value,
3821	// but function must fail if more then one surface fits
3822
3823	}
3824	i++;
3825	}
3826	}
3827
3828	if( (DD_OK==rc) &&
3829	(NULL!=AttachedSurface) )
3830	{
3831	lpDDSurf = (IDirectDrawSurface4)AttachedSurface;
3832	// not sure but as we returned an reference rains usage count
3833	AttachedSurface->lpVtbl->AddRef(AttachedSurface);
3834	}
3835	else
3836	{
3837	*lpDDSurf = NULL;
3838	rc = DDERR_NOTFOUND;
3839	}
3840
3841
3842	return rc;
3843	}
3844	//******************************************************************************
3845	//******************************************************************************
3846	HRESULT __stdcall SurfGetBltStatus(THIS This, DWORD)
3847	{
3848	#ifdef DEBUG
3849	WriteLog("SurfGetBltStatus\n");
3850	#endif
3851
3852	return(DD_OK);
3853	}
3854	//******************************************************************************
3855	//******************************************************************************
3856	HRESULT __stdcall SurfGetCaps(THIS This, LPDDSCAPS lpDDCaps)
3857	{
3858	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3859
3860	#ifdef DEBUG
3861	WriteLog("SurfGetCaps\n");
3862	#endif
3863
3864	if(NULL==lpDDCaps)
3865	return(DDERR_INVALIDPARAMS);
3866
3867	lpDDCaps->dwCaps = me->DDSurfaceDesc.ddsCaps.dwCaps;
3868	#ifdef DEBUG
3869	_dump_DDSCAPS(lpDDCaps->dwCaps);
3870	#endif
3871	return(DD_OK);
3872	}
3873	//******************************************************************************
3874	//******************************************************************************
3875	HRESULT __stdcall SurfGetCaps4(THIS This, LPDDSCAPS2 lpDDCaps)
3876	{
3877	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3878	#ifdef DEBUG
3879	WriteLog("SurfGetCaps4\n");
3880	#endif
3881
3882	if(NULL==lpDDCaps)
3883	return(DDERR_INVALIDPARAMS);
3884
3885	memcpy(lpDDCaps, &(me->DDSurfaceDesc.ddsCaps), sizeof(DDSCAPS2) );
3886	#ifdef DEBUG
3887	_dump_DDSCAPS(lpDDCaps->dwCaps);
3888	_dump_DDSCAPS2(lpDDCaps->dwCaps2);
3889
3890	#endif
3891
3892	return(DD_OK);
3893	}
3894	//******************************************************************************
3895	//******************************************************************************
3896	HRESULT __stdcall SurfGetClipper(THIS This, LPDIRECTDRAWCLIPPER FAR *lplpClipper)
3897	{
3898	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3899
3900	#ifdef DEBUG
3901	WriteLog("SurfGetClipper\n");
3902	#endif
3903
3904	if(me->lpClipper)
3905	{
3906	*lplpClipper = (LPDIRECTDRAWCLIPPER) me->lpClipper;
3907	return(DD_OK);
3908	}
3909	else
3910	return(DDERR_NOCLIPPERATTACHED);
3911	}
3912	//******************************************************************************
3913	//******************************************************************************
3914	HRESULT __stdcall SurfGetColorKey(THIS This, DWORD dwFlags, LPDDCOLORKEY lpDDColKey)
3915	{
3916	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3917
3918	#ifdef DEBUG
3919	WriteLog("SurfGetColorKey\n");
3920	#endif
3921
3922	if ((0==dwFlags) \|\| (NULL==lpDDColKey))
3923	return (DDERR_INVALIDPARAMS);
3924
3925	// as we report only src colorkey in the caps return error on all others flags
3926	if( (DDCKEY_DESTBLT\|DDCKEY_DESTOVERLAY\|DDCKEY_SRCOVERLAY) & dwFlags)
3927	return(DDERR_UNSUPPORTED);
3928
3929	if(me->DDSurfaceDesc.dwFlags & dwFlags)
3930	{
3931	if(DDCKEY_SRCBLT & dwFlags)
3932	{
3933	memcpy(lpDDColKey,&(me->DDSurfaceDesc.ddckCKSrcBlt),sizeof(DDCOLORKEY) );
3934	}
3935	else
3936	return (DDERR_INVALIDPARAMS); // some other flags where set => error
3937	}
3938	else
3939	return(DDERR_NOCOLORKEY); // surface doesn't have a color key set
3940
3941	return (DD_OK);
3942	}
3943	//******************************************************************************
3944	//******************************************************************************
3945	HRESULT __stdcall SurfGetDC(THIS This, HDC FAR *hdc)
3946	{
3947	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3948	DDSURFACEDESC2 LockedSurfaceDesc;
3949	HRESULT rc;
3950	BITMAP bmpSurface;
3951	struct
3952	{
3953	BITMAPINFOHEADER bmiHead;
3954	RGBQUAD bmiCols[256];
3955	} BitmapInfo;
3956
3957	#ifdef DEBUG
3958	WriteLog("SurfGetDC\n");
3959	#endif
3960
3961	if (NULL==hdc)
3962	return(DDERR_INVALIDPARAMS);
3963
3964	LockedSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
3965
3966	if(DD_OK != me->Vtbl.Lock(me,NULL,&LockedSurfaceDesc,0,0))
3967	{
3968	return(DDERR_DCALREADYCREATED);
3969	}
3970
3971	rc = DD_OK;
3972
3973	if(me->hdcImage == NULL)
3974	{
3975	// Create a Device context
3976	me->hdcImage = CreateCompatibleDC(NULL);
3977	if(me->hdcImage == NULL)
3978	{
3979	#ifdef DEBUG
3980	WriteLog("Can't create compatible DC!\n");
3981	#endif
3982	me->Vtbl.Unlock(me,NULL);
3983	rc = DDERR_GENERIC;
3984	}
3985	}
3986
3987	if( (DD_OK==rc) &&
3988	(me->hbmImage == NULL) )
3989	{
3990	WriteLog( "Trying to create Bitmap (%d/%d) at %d Bit\n",
3991	LockedSurfaceDesc.lPitch/ (LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3),
3992	LockedSurfaceDesc.dwHeight,
3993	LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount
3994	);
3995	#if 0
3996	memset(&BitmapInfo, 0, sizeof(BitmapInfo));
3997	BitmapInfo.bmiHead.biSize = sizeof(BITMAPINFOHEADER);
3998	BitmapInfo.bmiHead.biWidth = LockedSurfaceDesc.lPitch/ (LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3);
3999	BitmapInfo.bmiHead.biHeight = LockedSurfaceDesc.dwHeight;
4000	BitmapInfo.bmiHead.biPlanes = 1;
4001	BitmapInfo.bmiHead.biBitCount = LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
4002	#else
4003	bmpSurface.bmType = 0;
4004	bmpSurface.bmWidth = LockedSurfaceDesc.dwWidth;
4005	bmpSurface.bmHeight = LockedSurfaceDesc.dwHeight;
4006	bmpSurface.bmWidthBytes = LockedSurfaceDesc.lPitch;
4007	bmpSurface.bmPlanes = 1;
4008	bmpSurface.bmBits = LockedSurfaceDesc.lpSurface;
4009	#endif
4010	switch(LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4011	{
4012	case 1:
4013	case 4:
4014	WriteLog("1/4 Bit Not yet supported\n");
4015	break;
4016	case 8:
4017	#if 0
4018	BitmapInfo.bmiHead.biCompression = BI_RGB;
4019	GetSystemPaletteEntries(me->hdcImage,0,255,(PPALETTEENTRY)&BitmapInfo.bmiCols[0]);
4020	me->hbmImage = CreateDIBitmap( me->hdcImage,
4021	NULL,
4022	CBM_CREATEDIB,
4023	LockedSurfaceDesc.lpSurface,
4024	(PBITMAPINFO)&BitmapInfo,
4025	DIB_RGB_COLORS);
4026	#else
4027	bmpSurface.bmBitsPixel = 8;
4028	me->hbmImage = CreateBitmapIndirect( &bmpSurface);
4029	#endif
4030	break;
4031	case 16:
4032	case 32:
4033	WriteLog("16/32 Bit not supported by OS/2");
4034	break;
4035	case 24:
4036	#if 0
4037	BitmapInfo.bmiHead.biCompression = BI_RGB;
4038	me->hbmImage = CreateDIBitmap( me->hdcImage,
4039	NULL,
4040	CBM_CREATEDIB,
4041	LockedSurfaceDesc.lpSurface,
4042	(PBITMAPINFO)&BitmapInfo,
4043	DIB_RGB_COLORS);
4044	#else
4045	bmpSurface.bmBitsPixel = 24;
4046	me->hbmImage = CreateBitmapIndirect( &bmpSurface);
4047	#endif
4048	break;
4049	default:
4050	#ifdef DEBUG
4051	WriteLog( "Unexptected BitCount %d \n",
4052	LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount);
4053	#endif
4054	me->hbmImage=NULL;
4055	} // end switch (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4056
4057	if(me->hbmImage == NULL)
4058	{
4059	#ifdef DEBUG
4060	WriteLog("Can't create bitmap!\n");
4061	#endif
4062	DeleteDC(me->hdcImage);
4063	me->hdcImage = NULL;
4064	me->Vtbl.Unlock(me,NULL);
4065	rc = DDERR_GENERIC;
4066	}
4067	}
4068	else
4069	{
4070	if( (DD_OK==rc) &&
4071	(me->dwLastDCUnique != me->dwUniqueValue) )
4072	{
4073	#ifdef DEBUG
4074	WriteLog("The Surface was locked/unlocked after the last DC was created =>Update Bitmap!\n");
4075	#endif
4076
4077	memset(&BitmapInfo,0, sizeof(BitmapInfo));
4078	BitmapInfo.bmiHead.biSize = sizeof(BITMAPINFOHEADER);
4079	BitmapInfo.bmiHead.biWidth = LockedSurfaceDesc.lPitch/ (LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3);
4080	BitmapInfo.bmiHead.biHeight = LockedSurfaceDesc.dwHeight;
4081	BitmapInfo.bmiHead.biPlanes = 1;
4082	BitmapInfo.bmiHead.biBitCount = LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
4083
4084	switch(LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4085	{
4086	case 1:
4087	case 4:
4088	case 8:
4089	BitmapInfo.bmiHead.biCompression = BI_RGB;
4090	GetSystemPaletteEntries(me->hdcImage,0,255,(PPALETTEENTRY)&BitmapInfo.bmiCols[0]);
4091	SetDIBits(me->hdcImage, me->hbmImage, 0, LockedSurfaceDesc.dwHeight,
4092	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4093	break;
4094	case 16:
4095	case 32:
4096	BitmapInfo.bmiHead.biCompression = BI_BITFIELDS;
4097	BitmapInfo.bmiHead.biClrUsed = 3;
4098	((DWORD ) &(BitmapInfo.bmiCols[0])) = me->DDSurfaceDesc.ddpfPixelFormat.dwRBitMask;
4099	((DWORD ) &(BitmapInfo.bmiCols[1])) = me->DDSurfaceDesc.ddpfPixelFormat.dwGBitMask;
4100	((DWORD ) &(BitmapInfo.bmiCols[2])) = me->DDSurfaceDesc.ddpfPixelFormat.dwBBitMask;
4101	SetDIBits(me->hdcImage, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4102	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4103	break;
4104	case 24:
4105	BitmapInfo.bmiHead.biCompression = BI_RGB;
4106	SetDIBits(me->hdcImage, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4107	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4108	break;
4109	default:
4110	#ifdef DEBUG
4111	WriteLog("Unexptected BitCount %d => Bitmap not updated!\n",LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount);
4112	#endif
4113	break;
4114	} // end switch (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4115
4116	}
4117	}
4118
4119	// Allways select the bitmap into the DC! No matter if the old or a new one
4120
4121	if(DD_OK==rc)
4122	{
4123	if((me->hgdiOld = SelectObject(me->hdcImage, me->hbmImage)) == NULL)
4124	{
4125	#ifdef DEBUG
4126	WriteLog("Can't select bitmap into dc!\n");
4127	#endif
4128	DeleteDC(me->hdcImage);
4129	me->hdcImage = NULL;
4130	DeleteObject(me->hbmImage);
4131	me->hbmImage = NULL;
4132	me->Vtbl.Unlock(me,NULL);
4133	rc = DDERR_GENERIC;
4134	}
4135	else
4136	{
4137	*hdc = me->hdcImage;
4138	}
4139	}
4140
4141	return rc;
4142	}
4143	//******************************************************************************
4144	//******************************************************************************
4145	HRESULT __stdcall SurfGetFlipStatus(THIS This, DWORD dwFlags)
4146	{
4147	#ifdef DEBUG
4148	WriteLog("SurfGetFlipStatus\n");
4149	#endif
4150
4151	if( (DDGFS_CANFLIP!=dwFlags) && (DDGFS_ISFLIPDONE!=dwFlags) )
4152	return DDERR_INVALIDPARAMS;
4153
4154	return(DD_OK);
4155	}
4156	//******************************************************************************
4157	//******************************************************************************
4158	HRESULT __stdcall SurfGetOverlayPosition(THIS This, LPLONG lplX, LPLONG lplY)
4159	{
4160	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4161	#ifdef DEBUG
4162	WriteLog("SurfGetOverlayPosition\n");
4163	#endif
4164
4165	// Maybe simply return dderr_notsupported as we retun a max overlay value of 0 in the caps ?
4166
4167	if( (NULL==lplX) \|\| (NULL==lplY))
4168	return DDERR_INVALIDPARAMS;
4169
4170	if(!(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_OVERLAY))
4171	return DDERR_NOTAOVERLAYSURFACE;
4172
4173	if(!(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_VISIBLE))
4174	return DDERR_OVERLAYNOTVISIBLE;
4175
4176	if(!me->fOverlayValid)
4177	return DDERR_NOOVERLAYDEST;
4178
4179	*lplX = me->lOverlayX;
4180	*lplY = me->lOverlayY;
4181
4182	return(DD_OK);
4183	}
4184	//******************************************************************************
4185	//******************************************************************************
4186	HRESULT __stdcall SurfGetPalette(THIS This, LPDIRECTDRAWPALETTE FAR *lplpPalette)
4187	{
4188	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4189
4190	#ifdef DEBUG
4191	WriteLog("SurfGetPalette\n");
4192	#endif
4193
4194	if(me->lpPalette)
4195	{
4196	*lplpPalette = (LPDIRECTDRAWPALETTE)me->lpPalette;
4197	return(DD_OK);
4198	}
4199	else
4200	return(DDERR_NOPALETTEATTACHED);
4201	}
4202	//******************************************************************************
4203	//******************************************************************************
4204	HRESULT __stdcall SurfGetPixelFormat(THIS This, LPDDPIXELFORMAT lpPixelFormat)
4205	{
4206	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4207
4208	#ifdef DEBUG
4209	WriteLog("SurfGetPixelFormat\n");
4210	#endif
4211
4212	if(NULL==lpPixelFormat)
4213	return DDERR_INVALIDPARAMS;
4214
4215	memcpy( (char*)lpPixelFormat,
4216	(char*)&(me->DDSurfaceDesc.ddpfPixelFormat),
4217	sizeof(DDPIXELFORMAT));
4218
4219	return(DD_OK);
4220	}
4221	//******************************************************************************
4222	//******************************************************************************
4223	HRESULT __stdcall SurfGetSurfaceDesc(THIS This, LPDDSURFACEDESC lpSurface)
4224	{
4225	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4226
4227	#ifdef DEBUG
4228	WriteLog("SurfGetSurfaceDesc\n");
4229	#endif
4230
4231	if((lpSurface == NULL)\|\|(lpSurface->dwSize != sizeof(DDSURFACEDESC)) )
4232	return(DDERR_INVALIDPARAMS);
4233
4234	memcpy( (char *)lpSurface,
4235	(char *)&me->DDSurfaceDesc,
4236	sizeof(DDSURFACEDESC));
4237
4238	return(DD_OK);
4239	}
4240	//******************************************************************************
4241	//******************************************************************************
4242	HRESULT __stdcall SurfGetSurfaceDesc4(THIS This, LPDDSURFACEDESC2 lpSurface)
4243	{
4244	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4245
4246	#ifdef DEBUG
4247	WriteLog("SurfGetSurfaceDesc4\n");
4248	#endif
4249
4250	if((lpSurface == NULL)\|\|(lpSurface->dwSize != sizeof(DDSURFACEDESC2)) )
4251	return(DDERR_INVALIDPARAMS);
4252
4253	memcpy( (char *)lpSurface,
4254	(char *)&me->DDSurfaceDesc,
4255	sizeof(DDSURFACEDESC2));
4256
4257	return(DD_OK);
4258	}
4259	//******************************************************************************
4260	//******************************************************************************
4261	HRESULT __stdcall SurfInitialize(THIS, LPDIRECTDRAW, LPDDSURFACEDESC)
4262	{
4263	#ifdef DEBUG
4264	WriteLog("SurfInitialize\n");
4265	#endif
4266
4267	return(DDERR_ALREADYINITIALIZED); // Init is done during creation see M$ Doc
4268	}
4269	//******************************************************************************
4270	//******************************************************************************
4271	HRESULT __stdcall SurfInitialize4(THIS, LPDIRECTDRAW, LPDDSURFACEDESC2)
4272	{
4273	#ifdef DEBUG
4274	WriteLog("SurfInitialize\n");
4275	#endif
4276
4277	return(DDERR_ALREADYINITIALIZED); // Init is done during creation see M$ Doc
4278	}
4279	//******************************************************************************
4280	//******************************************************************************
4281	HRESULT __stdcall SurfIsLost(THIS)
4282	{
4283	// We don't loose any surface ;)
4284	// But we might shoud check for primary and/or Dive Buffers as I don't know
4285	// if they are preserved if switching to a FS DOS/OS2 session
4286	//
4287	#ifdef DEBUG
4288	WriteLog("SurfIsLost\n");
4289	#endif
4290
4291	return(DD_OK);
4292	}
4293	//******************************************************************************
4294	//******************************************************************************
4295	HRESULT __stdcall SurfLock( THIS This,
4296	LPRECT lpRect,
4297	LPDDSURFACEDESC lpSurfaceDesc,
4298	DWORD dwFlags,
4299	HANDLE hEvent)
4300	{
4301	DDSURFACEDESC2 SurfaceDesc4;
4302	HRESULT rc;
4303
4304	#ifdef DEBUG
4305	WriteLog("SurfLock %d %08X %d %d\n", (int)lpRect, (int)lpSurfaceDesc, dwFlags, hEvent);
4306	#endif
4307
4308	if((NULL==lpSurfaceDesc)\|\|(NULL!=hEvent))
4309	return DDERR_INVALIDPARAMS;
4310
4311	if(lpSurfaceDesc->dwSize != sizeof(DDSURFACEDESC))
4312	return DDERR_INVALIDPARAMS;
4313
4314	SurfaceDesc4.dwSize = sizeof(DDSURFACEDESC2);
4315
4316	rc = SurfLock4( This,
4317	lpRect,
4318	&SurfaceDesc4,
4319	dwFlags,
4320	hEvent);
4321	if (DD_OK==rc)
4322	{
4323	memcpy( (char*)lpSurfaceDesc,
4324	(char*)&SurfaceDesc4,
4325	sizeof(DDSURFACEDESC) );
4326	}
4327
4328	return(rc);
4329	}
4330	//******************************************************************************
4331	//******************************************************************************
4332	HRESULT __stdcall SurfLock4( THIS This,
4333	LPRECT lpRect,
4334	LPDDSURFACEDESC2 lpSurfaceDesc,
4335	DWORD dwFlags,
4336	HANDLE hEvent)
4337	{
4338
4339	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4340	int i;
4341
4342	BOOL Found;
4343	ULONG nrScanLines;
4344	char *pBuffer;
4345	DDRectangle pIRectCurrent,pIRectNew;
4346	static int times = 0;
4347	HRESULT rc;
4348
4349	#ifdef DEBUG
4350	WriteLog("SurfLock4 %08X %08X %d %d\n", (int)lpRect, (int)lpSurfaceDesc, dwFlags, hEvent);
4351	#endif
4352
4353	if( (NULL==lpSurfaceDesc) \|\|
4354	(NULL!=hEvent)
4355	)
4356	return DDERR_INVALIDPARAMS;
4357
4358
4359	if (NULL!=lpRect)
4360	pIRectNew = new DDRectangle( lpRect->left, lpRect->top, lpRect->bottom, lpRect->right );
4361	else
4362	pIRectNew = new DDRectangle( 0, 0, me->height, me->width);
4363
4364	// ToDo : the lockchecking should be done in a critcal seq.
4365	WriteLog( "Lock Rectangle (%d/%d) x (%d/%d)\n",
4366	pIRectNew->Top(),
4367	pIRectNew->Left(),
4368	pIRectNew->Bottom(),
4369	pIRectNew->Right() );
4370
4371	rc = DD_OK;
4372
4373	if(me->fLocked)
4374	{
4375	if (NULL==lpRect)
4376	{
4377	// If anything is locked we can't locke the complete surface
4378	WriteLog("Surface has locked Rectangles, and we want to complete lock it\n");
4379	Found = TRUE;
4380	}
4381	else
4382	{
4383	// If the new Rectangle intersects with any of the already locked rectangles it can't
4384	// be locked so check for this
4385
4386	WriteLog("Surface has locked Rectangles, check if the overlap\n");
4387
4388	i=0;
4389	Found = FALSE;
4390
4391	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4392	{
4393	pIRectCurrent = (DDRectangle*) DPA_FastGetPtr(me->DPA_LockedRects,i);
4394	WriteLog( "Test with Rectangle (%d/%d) x (%d/%d)\n",
4395	pIRectCurrent->Top(),
4396	pIRectCurrent->Left(),
4397	pIRectCurrent->Bottom(),
4398	pIRectCurrent->Right() );
4399	Found = pIRectCurrent->intersects(*pIRectNew);
4400	i++;
4401	}
4402
4403	}
4404
4405	if (Found)
4406	{
4407	delete pIRectNew;
4408	#ifdef DEBUG
4409	WriteLog("SurfLock4: Surface already locked\n\n");
4410	#endif
4411	rc = DDERR_SURFACEBUSY;
4412	}
4413
4414	}
4415
4416	if(DD_OK == rc)
4417	{
4418	memcpy((char )lpSurfaceDesc, (char )&me->DDSurfaceDesc, sizeof(DDSURFACEDESC2));
4419
4420	if(lpRect != NULL)
4421	{
4422	lpSurfaceDesc->lpSurface = (LPVOID)((char*)me->pFrameBuffer +
4423	(lpRect->top * me->dwPitchFB) +
4424	(lpRect->left * (lpSurfaceDesc->ddpfPixelFormat.dwRGBBitCount>>3)));
4425	#ifdef DEBUG
4426	WriteLog("SurfLock4 %08X (x,y) = (%d,%d)\n\n", lpSurfaceDesc->lpSurface, lpRect->top, lpRect->left);
4427	#endif
4428	}
4429	else
4430	{
4431	#ifdef DEBUG
4432	WriteLog("SurfLock4 %08X \n\n", lpSurfaceDesc->lpSurface);
4433	#endif
4434	}
4435	// Add the rectangle to the list of locked rectangles
4436
4437	pIRectNew->SetMemPtr(lpSurfaceDesc->lpSurface);
4438
4439	DPA_InsertPtr( me->DPA_LockedRects,
4440	DPA_GetPtrCount(me->DPA_LockedRects),
4441	pIRectNew);
4442
4443	me->fLocked = TRUE;
4444	}
4445
4446
4447	return rc;
4448	}
4449	//******************************************************************************
4450	//******************************************************************************
4451	HRESULT __stdcall SurfReleaseDC(THIS This, HDC hdc)
4452	{
4453	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4454	struct
4455	{
4456	BITMAPINFOHEADER bmiHead;
4457	RGBQUAD bmiCols[256];
4458	} BitmapInfo;
4459	BITMAP bmpData;
4460	char szError[256];
4461	int i,rc;
4462
4463	#ifdef DEBUG
4464	WriteLog("SurfReleaseDC\n");
4465	#endif
4466
4467	if(hdc != me->hdcImage)
4468	return(DDERR_INVALIDOBJECT);
4469
4470	#if 1
4471	//unselect our bitmap
4472	SelectObject(me->hdcImage, me->hgdiOld);
4473	memset(&BitmapInfo,0, sizeof(BitmapInfo));
4474	BitmapInfo.bmiHead.biSize = sizeof(BITMAPINFOHEADER);
4475	BitmapInfo.bmiHead.biWidth = me->DDSurfaceDesc.lPitch/ (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3);
4476	BitmapInfo.bmiHead.biHeight = me->DDSurfaceDesc.dwHeight;
4477	BitmapInfo.bmiHead.biPlanes = 1;
4478	BitmapInfo.bmiHead.biBitCount = 0; // me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
4479
4480	switch(me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4481	{
4482	case 1:
4483	case 4:
4484	case 8:
4485	BitmapInfo.bmiHead.biCompression = BI_RGB;
4486	//GetSystemPaletteEntries(me->hdcImage,0,255,(PPALETTEENTRY)&BitmapInfo.bmiCols[0]);
4487	rc = GetDIBits(hdc, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4488	NULL,(PBITMAPINFO)&BitmapInfo,DIB_PAL_COLORS);
4489	WriteLog( "GetDIBits rc=%d\n Size :%d\n Width :%d\n Height :%d\n"
4490	" Planes :%d\n BitCount :%d\nLastEror = %d\n",
4491	rc,
4492	BitmapInfo.bmiHead.biSize,
4493	BitmapInfo.bmiHead.biWidth,
4494	BitmapInfo.bmiHead.biHeight,
4495	BitmapInfo.bmiHead.biPlanes,
4496	BitmapInfo.bmiHead.biBitCount,
4497	GetLastError());
4498	rc = GetDIBits( hdc,
4499	me->hbmImage, 0,
4500	me->DDSurfaceDesc.dwHeight,
4501	me->DDSurfaceDesc.lpSurface,
4502	(PBITMAPINFO)&BitmapInfo,
4503	DIB_PAL_COLORS);
4504	WriteLog( "GetDIBits rc=%d\n LastEror = %d\n",
4505	rc,
4506	GetLastError());
4507	break;
4508	case 16:
4509	case 32:
4510	BitmapInfo.bmiHead.biCompression = BI_BITFIELDS;
4511	BitmapInfo.bmiHead.biClrUsed = 3;
4512	((DWORD ) &(BitmapInfo.bmiCols[0])) = me->DDSurfaceDesc.ddpfPixelFormat.dwRBitMask;
4513	((DWORD ) &(BitmapInfo.bmiCols[1])) = me->DDSurfaceDesc.ddpfPixelFormat.dwGBitMask;
4514	((DWORD ) &(BitmapInfo.bmiCols[2])) = me->DDSurfaceDesc.ddpfPixelFormat.dwBBitMask;
4515	GetDIBits(hdc, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4516	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4517	break;
4518	case 24:
4519	BitmapInfo.bmiHead.biCompression = BI_RGB;
4520	GetDIBits(hdc, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4521	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4522	break;
4523	default:
4524	#ifdef DEBUG
4525	WriteLog("Unexptected BitCount %d => Surface unlocked but no data copied back\n",me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount);
4526	#endif
4527	// we might could keep the surface locked and return an error but this is more "safe"
4528	break;
4529	} // end switch (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4530	#else
4531
4532	rc = GetObjectA( me->hbmImage,
4533	sizeof(BITMAP),
4534	&bmpData);
4535	WriteLog( "GetObject returned rc=%d\n BitmapInfo:\n Size:(%dx%d)\n Pitch: %d\n Bits %d\n @mem %08X",
4536	rc,
4537	bmpData.bmWidth, bmpData.bmHeight,
4538	bmpData.bmWidthBytes,
4539	bmpData.bmBitsPixel,
4540	bmpData.bmBits);
4541	#endif
4542	me->Vtbl.Unlock(me,NULL);
4543	me->dwLastDCUnique = me->dwUniqueValue; // Store this to see if the surface was locked after we released the DC
4544
4545	return(DD_OK);
4546	}
4547	//******************************************************************************
4548	//******************************************************************************
4549	HRESULT __stdcall SurfRestore(THIS)
4550	{
4551	#ifdef DEBUG
4552	WriteLog("SurfRestore\n");
4553	#endif
4554
4555	return(DD_OK);
4556	}
4557	//******************************************************************************
4558	//******************************************************************************
4559	HRESULT __stdcall SurfSetClipper(THIS This, LPDIRECTDRAWCLIPPER lpClipper)
4560	{
4561	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4562
4563	#ifdef DEBUG
4564	WriteLog("SurfSetClipper\n");
4565	#endif
4566
4567	if(lpClipper == NULL)
4568	{
4569	//deattach surface
4570	if(me->lpClipper)
4571	{
4572	me->lpClipper->Vtbl.Release((IDirectDrawClipper*)me->lpClipper);
4573	me->lpClipper = NULL;
4574	return(DD_OK);
4575	}
4576	else
4577	return(DDERR_NOCLIPPERATTACHED);
4578	}
4579
4580	if(lpClipper == (LPDIRECTDRAWCLIPPER)me->lpClipper)
4581	return(DD_OK); //already attached
4582
4583	if(me->lpClipper != NULL)
4584	{
4585	me->lpClipper->Vtbl.Release((IDirectDrawClipper*)me->lpClipper); //attach other surface
4586	return(DD_OK);
4587	}
4588
4589	me->lpClipper = (OS2IDirectDrawClipper *)lpClipper;
4590	me->lpClipper->Vtbl.AddRef((IDirectDrawClipper*)me->lpClipper);
4591
4592	return(DD_OK);
4593	}
4594	//******************************************************************************
4595	//******************************************************************************
4596	HRESULT __stdcall SurfSetColorKey(THIS This, DWORD dwFlags, LPDDCOLORKEY lpDDColKey)
4597	{
4598	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4599	HRESULT rc;
4600	#ifdef DEBUG
4601	WriteLog("SurfSetColorKey\n");
4602	#endif
4603
4604	if (0==dwFlags)
4605	return (DDERR_INVALIDPARAMS);
4606
4607	// as we report only src colorkey in the caps return error on all others flags
4608	if( (DDCKEY_DESTBLT\|DDCKEY_DESTOVERLAY\|DDCKEY_SRCOVERLAY\|DDCKEY_COLORSPACE) & dwFlags)
4609	return(DDERR_UNSUPPORTED);
4610
4611	if(DDCKEY_SRCBLT & dwFlags)
4612	{
4613	me->lpVtbl->ChangeUniquenessValue(me); // we changed somethin so change this value
4614	if(NULL!=lpDDColKey)
4615	{
4616	memcpy(&(me->DDSurfaceDesc.ddckCKSrcBlt), lpDDColKey, sizeof(DDCOLORKEY) );
4617	me->DDSurfaceDesc.dwFlags \|= DDCKEY_SRCBLT;
4618
4619	// ToDo: Generate a maskbitmap for transparent blitting here
4620	}
4621	else
4622	{
4623	memset(&(me->DDSurfaceDesc.ddckCKSrcBlt), 0, sizeof(DDCOLORKEY) );
4624	me->DDSurfaceDesc.dwFlags &= ~DDCKEY_SRCBLT;
4625	}
4626	rc = DD_OK;
4627	}
4628	else
4629	rc = DDERR_INVALIDPARAMS; // some other flags where set => error
4630
4631	return rc;
4632	}
4633	//******************************************************************************
4634	//******************************************************************************
4635	HRESULT __stdcall SurfSetOverlayPosition(THIS This, LONG lX, LONG lY)
4636	{
4637	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4638
4639	#ifdef DEBUG
4640	WriteLog("SurfSetOverlayPosition\n");
4641	#endif
4642
4643	if( (me->DDSurfaceDesc.dwFlags & DDSD_CAPS) &&
4644	(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_OVERLAY) )
4645	{
4646	if(me->fOverlayValid)
4647	return(DDERR_NOOVERLAYDEST);
4648
4649	if(!(me->DDSurfaceDesc.dwFlags & DDSCAPS_VISIBLE))
4650	return(DDERR_OVERLAYNOTVISIBLE);
4651
4652	// ToDo: If we implement alignment restricions to the Overlay position
4653	// check if the new values are OK otherwiese return DDERR_INVALIDPOSITION
4654
4655	me->lOverlayX = lX;
4656	me->lOverlayY = lY;
4657	return(DD_OK);
4658	}
4659
4660	return(DDERR_NOTAOVERLAYSURFACE);
4661	}
4662	//******************************************************************************
4663	//******************************************************************************
4664	HRESULT __stdcall SurfSetPalette(THIS This, LPDIRECTDRAWPALETTE lpPalette)
4665	{
4666	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4667
4668	#ifdef DEBUG
4669	WriteLog("SurfSetPalette\n");
4670	#endif
4671
4672	if(lpPalette == NULL)
4673	{
4674	//deattach palette
4675	if(me->lpPalette)
4676	{
4677	// If removed from a primary surface notify
4678	// palette that it is no longer attached to the
4679	// primary surface => doesn't modify physical palette
4680	if(me->surfaceType & DDSCAPS_PRIMARYSURFACE)
4681	{
4682	me->lpPalette->SetIsPrimary(FALSE);
4683	}
4684	me->lpPalette->Vtbl.Release((IDirectDrawPalette*)me->lpPalette);
4685	me->lpPalette = NULL;
4686	return(DD_OK);
4687	}
4688	else
4689	return(DDERR_NOPALETTEATTACHED);
4690	}
4691
4692	if(lpPalette == (LPDIRECTDRAWPALETTE)me->lpPalette)
4693	return(DD_OK); //already attached
4694
4695	if(me->lpPalette != NULL)
4696	{
4697	me->lpPalette->Vtbl.Release((IDirectDrawPalette*)me->lpPalette); //attach other palette
4698	return(DD_OK);
4699	}
4700	me->lpPalette = (OS2IDirectDrawPalette *)lpPalette;
4701	me->lpPalette->Vtbl.AddRef((IDirectDrawPalette*)me->lpPalette);
4702
4703	// If Attached to a primary surface notify
4704	// palette that it is attached to the primary surface
4705	// => It does modify physical palette.
4706	// This is important as an palette can be attached to
4707	// multiple surfaces. If one is the primary surface
4708	// changes done to it via any surface must result in
4709	// changes in the phys pal.
4710
4711	if(me->surfaceType & DDSCAPS_PRIMARYSURFACE)
4712	{
4713	me->lpPalette->SetIsPrimary(TRUE);
4714	}
4715	me->lpVtbl->ChangeUniquenessValue(me);
4716
4717	return(DD_OK);
4718	}
4719	//******************************************************************************
4720	//******************************************************************************
4721	HRESULT __stdcall SurfUnlock(THIS This, LPVOID lpSurfaceData)
4722	{
4723
4724	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4725	int i;
4726	DDRectangle pIRectUnlock, pIRectEnum;
4727	BOOL Found = FALSE;
4728	OS2RECTL CCRect;
4729	HRESULT rc;
4730
4731	#ifdef DEBUG
4732	WriteLog("SurfUnlock at %08X\n",lpSurfaceData);
4733	#endif
4734
4735	if(me->fLocked == FALSE)
4736	{
4737	#ifdef DEBUG
4738	WriteLog("Surface not locked!\n");
4739	#endif
4740	return(DDERR_NOTLOCKED);
4741	}
4742
4743	#ifdef DEBUG
4744	WriteLog("Start Emuneration of Locked Rects\n");
4745	#endif
4746
4747	i=0;
4748	if(NULL!=lpSurfaceData)
4749	{
4750	WriteLog("Buffer Pointer Compare");
4751
4752	// We got a pinter to the surface memory so we must search for
4753	// this pointer in the locked rects DPA to unlock the right rect.
4754
4755	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4756	{
4757	pIRectEnum = (DDRectangle*)DPA_FastGetPtr(me->DPA_LockedRects,i);
4758	WriteLog( "Test with Rectangle %d (%d/%d) x (%d/%d) Mem at %08X\n",
4759	i,
4760	pIRectEnum->Top(),
4761	pIRectEnum->Left(),
4762	pIRectEnum->Bottom(),
4763	pIRectEnum->Right(),
4764	pIRectEnum->GetMemPtr() );
4765
4766	Found = ( pIRectEnum->GetMemPtr() == lpSurfaceData);
4767	if(!Found)
4768	{
4769	#ifdef DEBUG
4770	WriteLog("Not Found, try Next rect\n");
4771	#endif
4772	i++;
4773	}
4774	#ifdef DEBUG
4775	else
4776	{
4777	WriteLog("Found Rect\n");
4778	}
4779	#endif
4780	}
4781	}
4782	else
4783	{
4784	// If a NULL pointer was passed in the SW tries to unlock the
4785	// complete surface so we must compare the rects.
4786	WriteLog("Rectangle compare");
4787
4788	pIRectUnlock = new DDRectangle( 0, 0, me->height, me->width);
4789
4790	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4791	{
4792	pIRectEnum = (DDRectangle*)DPA_FastGetPtr(me->DPA_LockedRects,i);
4793	WriteLog( "Test with Rectangle %d (%d/%d) x (%d/%d) Mem at %08X\n",
4794	i,
4795	pIRectEnum->Top(),
4796	pIRectEnum->Left(),
4797	pIRectEnum->Bottom(),
4798	pIRectEnum->Right(),
4799	pIRectEnum->GetMemPtr() );
4800
4801	Found = (pIRectEnum == pIRectUnlock);
4802	if(!Found)
4803	{
4804	#ifdef DEBUG
4805	WriteLog("Not Found, try Next rect\n");
4806	#endif
4807	i++;
4808	}
4809	#ifdef DEBUG
4810	else
4811	{
4812	WriteLog("Found Rect\n");
4813	}
4814	#endif
4815	}
4816	delete pIRectUnlock;
4817	}
4818
4819	if(!Found)
4820	{
4821	#ifdef DEBUG
4822	WriteLog("Rectangle not locked, wrong Rect!\n\n");
4823	#endif
4824	rc = DDERR_INVALIDRECT;
4825	}
4826	else
4827	{
4828	#ifdef DEBUG
4829	WriteLog("Remove Rect %d from Seq.\n",i);
4830	#endif
4831
4832	DPA_DeletePtr(me->DPA_LockedRects,i);
4833
4834	#ifdef DEBUG
4835	WriteLog("Test if locked Rects main\n");
4836	#endif
4837
4838	if(0==DPA_GetPtrCount(me->DPA_LockedRects)) // Do we have unlocked last rectangle
4839	{
4840	#ifdef DEBUG
4841	WriteLog("No Locked Rects left for surface\n");
4842	#endif
4843	me->fLocked = FALSE;
4844	}
4845	#ifdef DEBUG
4846	else
4847	WriteLog( "%d Rects in Seq\n",
4848	DPA_GetPtrCount(me->DPA_LockedRects));
4849	#endif
4850
4851	if(me->pFrameBuffer != me->pDiveBuffer)
4852	{
4853	#ifdef DEBUG
4854	WriteLog( "ColorConversion Needed %08X != %08X\n",
4855	me->pFrameBuffer,
4856	me->pDiveBuffer);
4857	#endif
4858	if(NULL!=lpSurfaceData)
4859	{
4860	CCRect.yTop = pIRectEnum->Top();
4861	CCRect.xLeft = pIRectEnum->Left();
4862	CCRect.xRight = pIRectEnum->Right();
4863	CCRect.yBottom = pIRectEnum->Bottom();
4864
4865	me->ColorConversion( (LPRECT)&CCRect);
4866	}
4867	else
4868	{
4869	me->ColorConversion(NULL);
4870	}
4871	}
4872	#ifdef DEBUG
4873	else
4874	WriteLog( "No ColorConversion Needed");
4875	#endif
4876
4877	// delete tne DDRectobject of the found rectangle
4878	delete pIRectEnum;
4879
4880	me->lpVtbl->ChangeUniquenessValue(me);
4881
4882	WriteLog("Unlock OK\n\n");
4883
4884	rc = DD_OK;
4885	}
4886
4887	return rc;
4888	}
4889	//******************************************************************************
4890	//******************************************************************************
4891	HRESULT __stdcall SurfUnlock4(THIS This, LPRECT lpSurfaceRect)
4892	{
4893	// MS changed the parameter from LPVOID to LPRECT with DX6
4894	// as DX-6 allways returns a DDSurface4 on create surface this
4895	// is a problem i not NULL is passed in.
4896	// Solution We first test with the pointer ns assuming a rectangle
4897	// if we don't find a rect Which is very likely if we get a pointer
4898	// SurfaceMemory we call SurfUnlock and test for the pointer there.
4899
4900
4901	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4902	int i;
4903	DDRectangle pIRectUnlock, pIRectEnum;
4904	BOOL Found = FALSE;
4905	HRESULT rc;
4906
4907	#ifdef DEBUG
4908	WriteLog("SurfUnlock4\n");
4909	#endif
4910
4911	if(me->fLocked == FALSE)
4912	{
4913	#ifdef DEBUG
4914	WriteLog("Surface not locked!\n");
4915	#endif
4916	return(DDERR_NOTLOCKED);
4917	}
4918
4919	if(NULL!=lpSurfaceRect)
4920	{
4921	WriteLog("Unlock rectangle\n");
4922	pIRectUnlock = new DDRectangle( lpSurfaceRect->top,
4923	lpSurfaceRect->left,
4924	lpSurfaceRect->bottom,
4925	lpSurfaceRect->right);
4926	}
4927	else
4928	{
4929	WriteLog("Unlock complete surface\n");
4930	pIRectUnlock = new DDRectangle( 0, 0, me->height, me->width);
4931	}
4932
4933	WriteLog( "Try to Unlock Rectangle (%d/%d) x (%d/%d)\n",
4934	pIRectUnlock->Top(),
4935	pIRectUnlock->Left(),
4936	pIRectUnlock->Bottom(),
4937	pIRectUnlock->Right() );
4938
4939	#ifdef DEBUG
4940	WriteLog("Start Emuneration of Locked Rects\n");
4941	#endif
4942
4943	i=0;
4944	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4945	{
4946	pIRectEnum = (DDRectangle*)DPA_FastGetPtr(me->DPA_LockedRects,i);
4947	WriteLog( "Test with Rectangle (%d/%d) x (%d/%d)\n",
4948	pIRectEnum->Top(),
4949	pIRectEnum->Left(),
4950	pIRectEnum->Bottom(),
4951	pIRectEnum->Right() );
4952
4953	Found = (pIRectEnum == pIRectUnlock);
4954	if(!Found)
4955	{
4956	#ifdef DEBUG
4957	WriteLog("Not Found, try Next rect\n");
4958	#endif
4959	i++;
4960	}
4961	#ifdef DEBUG
4962	else
4963	{
4964	WriteLog("Found Rect\n");
4965	}
4966	#endif
4967	}
4968
4969	if(!Found)
4970	{
4971
4972	if(NULL==lpSurfaceRect)
4973	{
4974	#ifdef DEBUG
4975	WriteLog("Rectangle not locked, wrong Rect!\n\n");
4976	#endif
4977	return(DDERR_INVALIDRECT);
4978	}
4979	else
4980	rc = SurfUnlock(This, (LPVOID)lpSurfaceRect);
4981	}
4982	else
4983	{
4984	#ifdef DEBUG
4985	WriteLog("Remove Rect from Seq.\n");
4986	#endif
4987
4988	DPA_DeletePtr(me->DPA_LockedRects,i);
4989
4990	if(0==DPA_GetPtrCount(me->DPA_LockedRects)) // Do we have unlocked last rectangle
4991	{
4992	#ifdef DEBUG
4993	WriteLog("No Locked Rects left for surface\n");
4994	#endif
4995	me->fLocked = FALSE;
4996	}
4997
4998	if(me->pFrameBuffer != me->pDiveBuffer)
4999	{
5000	#ifdef DEBUG
5001	WriteLog( "ColorConversion Needed %08X != %08X\n",
5002	me->pFrameBuffer,
5003	me->pDiveBuffer);
5004	#endif
5005	me->ColorConversion(lpSurfaceRect);
5006	}
5007
5008	me->lpVtbl->ChangeUniquenessValue(me);
5009
5010	WriteLog("Unlock OK\n\n");
5011	rc = DD_OK;
5012	}
5013
5014	return rc;
5015	}
5016	//******************************************************************************
5017	//******************************************************************************
5018	HRESULT __stdcall SurfUpdateOverlay(THIS This, LPRECT, LPDIRECTDRAWSURFACE2,LPRECT,DWORD, LPDDOVERLAYFX)
5019	{
5020	#ifdef DEBUG
5021	WriteLog("SurfUpdateOverlay\n");
5022	#endif
5023	return(DD_OK);
5024	}
5025	//******************************************************************************
5026	//******************************************************************************
5027	HRESULT __stdcall SurfUpdateOverlay4(THIS, LPRECT, LPDIRECTDRAWSURFACE4,LPRECT,DWORD, LPDDOVERLAYFX)
5028	{
5029	#ifdef DEBUG
5030	WriteLog("SurfUpdateOverlay\n");
5031	#endif
5032	return(DD_OK);
5033	}
5034	//******************************************************************************
5035	//******************************************************************************
5036	HRESULT __stdcall SurfUpdateOverlayDisplay(THIS, DWORD)
5037	{
5038	#ifdef DEBUG
5039	WriteLog("SurfUpdateOverlayDisplay\n");
5040	#endif
5041	return(DD_OK);
5042	}
5043	//******************************************************************************
5044	//******************************************************************************
5045	HRESULT __stdcall SurfUpdateOverlayZOrder(THIS, DWORD, LPDIRECTDRAWSURFACE2)
5046	{
5047	#ifdef DEBUG
5048	WriteLog("SurfUpdateOverlayZOrder\n");
5049	#endif
5050	return(DD_OK);
5051	}
5052	//******************************************************************************
5053	//******************************************************************************
5054	HRESULT __stdcall SurfUpdateOverlayZOrder4(THIS, DWORD, LPDIRECTDRAWSURFACE4)
5055	{
5056	#ifdef DEBUG
5057	WriteLog("SurfUpdateOverlayZOrder4\n");
5058	#endif
5059	return(DD_OK);
5060	}
5061	//******************************************************************************
5062	//******************************************************************************
5063	HRESULT __stdcall SurfGetDDInterface(THIS This, LPVOID FAR *lplpDirectDraw)
5064	{
5065	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5066
5067	#ifdef DEBUG
5068	WriteLog("SurfGetDDInterface\n");
5069	#endif
5070	lplpDirectDraw = (LPVOID FAR )me->lpDraw;
5071	return(DD_OK);
5072	}
5073	//******************************************************************************
5074	//******************************************************************************
5075	HRESULT __stdcall SurfPageLock(THIS, DWORD)
5076	{
5077	// Only used for DMA memory access
5078	// If we implement this for the None dive buffers with a pdd the we must change
5079	// from malloc to DosAllocMem and use OBJ_TILE flag
5080	#ifdef DEBUG
5081	WriteLog("SurfPageLock\n");
5082	#endif
5083	return(DD_OK);
5084	}
5085	//******************************************************************************
5086	//******************************************************************************
5087	HRESULT __stdcall SurfPageUnlock(THIS, DWORD)
5088	{
5089	#ifdef DEBUG
5090	WriteLog("SurfPageUnlock\n");
5091	#endif
5092	return(DD_OK);
5093	}
5094	//******************************************************************************
5095	//******************************************************************************
5096	// V3 Interface Functions
5097
5098	HRESULT __stdcall SurfSetSurfaceDesc(THIS This, LPDDSURFACEDESC lpSurfDesc, DWORD dwFlags)
5099	{
5100	#ifdef DEBUG
5101	WriteLog("SurfSetSurfaceDesc\n");
5102	#endif
5103
5104	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5105	if ( (NULL==lpSurfDesc) \|\| (dwFlags!=0) )
5106	return DDERR_INVALIDPARAMS;
5107
5108	// Is this ok ? Not sure if Front/BackBuffer should be handled like the Primary one.
5109	// if ( ( DDSCAPS_PRIMARYSURFACE == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5110	// ( DDSCAPS_FRONTBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5111	// ( DDSCAPS_BACKBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) )
5112	if(-1==me->diveBufNr)
5113	return DDERR_INVALIDSURFACETYPE; // only work for system alloced surfaces
5114
5115	if (!me->Updated)
5116	{
5117	me->Updated = TRUE;
5118	// free our allocated Memory
5119	if(me->DDSurfaceDesc.dwFlags & DDSD_LPSURFACE)
5120	free(me->DDSurfaceDesc.lpSurface);
5121	}
5122	me->lpVtbl->ChangeUniquenessValue(me);
5123	memcpy((char )&(me->DDSurfaceDesc), (char )lpSurfDesc, sizeof(DDSURFACEDESC));
5124
5125	return DD_OK;
5126	}
5127	//******************************************************************************
5128	//******************************************************************************
5129	HRESULT __stdcall SurfSetSurfaceDesc4(THIS This, LPDDSURFACEDESC2 lpSurfDesc, DWORD dwFlags)
5130	{
5131	#ifdef DEBUG
5132	WriteLog("SurfSetSurfaceDesc4\n");
5133	#endif
5134
5135	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5136	if ( (NULL==lpSurfDesc) \|\| (dwFlags!=0) )
5137	return DDERR_INVALIDPARAMS;
5138
5139	// Is this ok ? Not sure if Front/BackBuffer should be handled like the Primary one.
5140	// if ( ( DDSCAPS_PRIMARYSURFACE == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5141	// ( DDSCAPS_FRONTBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5142	// ( DDSCAPS_BACKBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) )
5143	if(-1==me->diveBufNr)
5144	return DDERR_INVALIDSURFACETYPE; // only work for system alloced surfaces
5145
5146	if (!me->Updated)
5147	{
5148	me->Updated = TRUE;
5149	// free our allocated Memory
5150	if(me->DDSurfaceDesc.dwFlags & DDSD_LPSURFACE)
5151	free(me->DDSurfaceDesc.lpSurface);
5152	}
5153	me->lpVtbl->ChangeUniquenessValue(me);
5154	memcpy((char )&(me->DDSurfaceDesc), (char )lpSurfDesc, sizeof(DDSURFACEDESC2));
5155
5156	return DD_OK;
5157	}
5158	//******************************************************************************
5159	//******************************************************************************
5160	// V4 Interface Functions
5161
5162	HRESULT __stdcall SurfSetPrivateData(THIS This, REFGUID refGUID, LPVOID lpData,
5163	DWORD dwDataSize, DWORD dwFlags)
5164	{
5165	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5166	int i;
5167	PSURFPRIVATEDATA pSData;
5168	void *pBuffer;
5169	BOOL bFound = FALSE;
5170	HRESULT rc;
5171
5172	#ifdef DEBUG
5173	WriteLog("SurfSetPrivateData\n");
5174	#endif
5175
5176	if(NULL==me)
5177	return(DDERR_INVALIDOBJECT);
5178
5179	if((NULL==lpData)\|\|(0==dwDataSize)\|\|
5180	(dwFlags & ~(DDSPD_IUNKNOWNPOINTER\|DDSPD_VOLATILE)))
5181	return(DDERR_INVALIDPARAMS);
5182
5183	// first check if the refGUID is stored as then the content will be updated
5184	if( DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0 )
5185	{
5186	i=0;
5187	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData) && !bFound)
5188	{
5189	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5190
5191	if (IsEqualGUID(pSData->guidTag,refGUID))
5192	bFound = TRUE;
5193
5194	i++;
5195	}
5196	}
5197
5198	if(bFound)
5199	{
5200	// update Private Data
5201
5202	if (!pSData->isValid)
5203	{
5204	// Current data is invalid we need to update/allocate
5205
5206	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5207	{
5208	pSData->pData = lpData;
5209	pSData->dwSize = 4;
5210	pSData->dwFlags = dwFlags;
5211	pSData->isValid = TRUE;
5212	((OS2IDirectDrawSurface *) lpData)->lpVtbl->AddRef(lpData);
5213	}
5214	else
5215	{
5216	pSData->pData = malloc(dwDataSize);
5217	if(NULL!=pSData->pData)
5218	{
5219	memcpy(pSData->pData,lpData,dwDataSize);
5220	pSData->dwSize = dwDataSize;
5221	pSData->dwFlags = dwFlags;
5222	pSData->isValid = TRUE;
5223	}
5224	else
5225	{
5226	delete pSData;
5227	rc = DDERR_OUTOFMEMORY;
5228	}
5229	}
5230	}
5231	else
5232	{
5233	if(pSData->dwFlags & DDSPD_IUNKNOWNPOINTER)
5234	{
5235	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5236	{
5237	if(pSData->pData != lpData)
5238	{
5239	// Change of IUNKOWNPOINTER => release old and add ref to new one
5240	((OS2IDirectDrawSurface *)pSData->pData)->lpVtbl->Release(pSData->pData);
5241	((OS2IDirectDrawSurface *)lpData)->lpVtbl->AddRef(lpData);
5242	pSData->pData = lpData;
5243	}
5244	pSData->dwFlags = dwFlags; // Update the flags, size is the same
5245	}
5246	else
5247	{
5248	// Replace IUNKOWN through data
5249	pBuffer = malloc(dwDataSize); // get new buffer first
5250	if(NULL!=pBuffer)
5251	{
5252	// release old ref and copy data
5253	((OS2IDirectDrawSurface *)pSData->pData)->lpVtbl->Release(pSData->pData);
5254	memcpy(pBuffer,lpData,dwDataSize);
5255	pSData->pData = pBuffer;
5256	pSData->dwSize = dwDataSize; // Update the size
5257	pSData->dwFlags = dwFlags; // Update the flags
5258	}
5259	else
5260	rc = DDERR_OUTOFMEMORY;
5261	}
5262	}
5263	else
5264	{
5265	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5266	{
5267	// Change of data to IUNKOWNPOINTER => free old memory and add ref to new one
5268	free(pSData->pData);
5269	((OS2IDirectDrawSurface *)lpData)->lpVtbl->AddRef(lpData);
5270	pSData->pData = lpData;
5271	pSData->dwSize = dwDataSize; // Update the size
5272	pSData->dwFlags = dwFlags; // Update the flags
5273	}
5274	else
5275	{
5276	// Update/Replace data
5277	if(pSData->dwSize!=dwDataSize)
5278	pBuffer = realloc(pSData->pData,dwDataSize); // update buffer to new size
5279	else
5280	pBuffer = pSData->pData;
5281
5282	if(NULL!=pBuffer)
5283	{
5284	// release old ref and copy data
5285	memcpy(pBuffer,lpData,dwDataSize);
5286	pSData->pData = pBuffer;
5287	pSData->dwSize = dwDataSize; // Update the size
5288	pSData->dwFlags = dwFlags; // Update the flags
5289	}
5290	else
5291	rc = DDERR_OUTOFMEMORY;
5292	}
5293	}
5294	}
5295	}
5296	else
5297	{
5298	// New data
5299
5300	pSData = new(SURFPRIVATEDATA);
5301	if (NULL!=pSData)
5302	{
5303	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5304	{
5305	memcpy(&(pSData->guidTag),&refGUID,sizeof(GUID));
5306	pSData->pData = lpData;
5307	pSData->dwSize = 4;
5308	pSData->dwFlags = dwFlags;
5309	pSData->isValid = TRUE;
5310	((OS2IDirectDrawSurface *)lpData)->lpVtbl->AddRef(lpData);
5311	}
5312	else
5313	{
5314	pSData->pData = malloc(dwDataSize);
5315	if(NULL!=pSData->pData)
5316	{
5317	memcpy(&(pSData->guidTag),&refGUID,sizeof(GUID));
5318	memcpy(pSData->pData,lpData,dwDataSize);
5319	pSData->dwSize = dwDataSize;
5320	pSData->dwFlags = dwFlags;
5321	pSData->isValid = TRUE;
5322
5323	if( DPA_InsertPtr( me->DPA_SurfacePrivateData,
5324	DPA_GetPtrCount(me->DPA_SurfacePrivateData),
5325	pSData) <0)
5326	{
5327	delete(pSData);
5328	rc = DDERR_OUTOFMEMORY;
5329	}
5330	}
5331	else
5332	{
5333	delete(pSData);
5334	rc = DDERR_OUTOFMEMORY;
5335	}
5336	}
5337
5338	}
5339	else
5340	rc = DDERR_OUTOFMEMORY;
5341	}
5342
5343	return rc;
5344	}
5345	//******************************************************************************
5346	//******************************************************************************
5347	HRESULT __stdcall SurfGetPrivateData(THIS This, REFGUID refGUID, LPVOID lpData, LPDWORD lpDataSize)
5348	{
5349	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5350	int i;
5351	PSURFPRIVATEDATA pSData;
5352	HRESULT rc;
5353	BOOL bFound = FALSE;
5354
5355	#ifdef DEBUG
5356	WriteLog("SurfGetPrivateData\n");
5357	#endif
5358
5359	if(NULL==me)
5360	return(DDERR_INVALIDOBJECT);
5361
5362	if((NULL==lpData)\|\|(NULL==lpDataSize))
5363	return(DDERR_INVALIDPARAMS);
5364
5365	if(DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0)
5366	{
5367	i=0;
5368	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData) && !bFound)
5369	{
5370	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5371
5372	if (IsEqualGUID(pSData->guidTag,refGUID))
5373	bFound = TRUE;
5374
5375	i++;
5376	}
5377	}
5378
5379	if(bFound)
5380	{
5381	if(!pSData->isValid)
5382	{
5383	rc =DDERR_EXPIRED;
5384	}
5385	else
5386	{
5387	if(pSData->dwSize > *lpDataSize)
5388	{
5389	// Buffer to small return needed Size
5390	*lpDataSize = pSData->dwSize;
5391	rc = DDERR_MOREDATA;
5392	}
5393	else
5394	{
5395	memcpy(lpData,pSData->pData,pSData->dwSize);
5396	rc = DD_OK;
5397	}
5398	}
5399	}
5400	else
5401	rc = DDERR_NOTFOUND;
5402
5403
5404	return rc;
5405	}
5406	//******************************************************************************
5407	//******************************************************************************
5408	HRESULT __stdcall SurfFreePrivateData(THIS This, REFGUID refGUID)
5409	{
5410	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5411	int i;
5412	PSURFPRIVATEDATA pSData;
5413	BOOL bFound = FALSE;
5414
5415	#ifdef DEBUG
5416	WriteLog("SurfFreePrivateData\n");
5417	#endif
5418
5419	if(NULL==me)
5420	return(DDERR_INVALIDOBJECT);
5421
5422	if(DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0)
5423	{
5424	i=0;
5425	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData) && !bFound)
5426	{
5427	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5428
5429	if (IsEqualGUID(pSData->guidTag,refGUID))
5430	{
5431	bFound = TRUE;
5432
5433	if(pSData->isValid)
5434	{
5435	// delete the data if valid
5436	if (pSData->dwFlags & DDSPD_IUNKNOWNPOINTER)
5437	{
5438	// pointer to com stored so calll its release
5439	((OS2IDirectDrawSurface *) pSData->pData)->lpVtbl->Release(pSData->pData);
5440	}
5441	else
5442	{
5443	// Free allocated data
5444	free( pSData->pData);
5445	}
5446	}
5447	// Now remove the entry from the list
5448	DPA_DeletePtr(me->DPA_SurfacePrivateData,i);
5449	}
5450	i++;
5451	}
5452	}
5453
5454	return (bFound?DD_OK:DDERR_NOTFOUND);
5455	}
5456	//******************************************************************************
5457	//******************************************************************************
5458	HRESULT __stdcall SurfGetUniquenessValue(THIS This, LPDWORD lpValue)
5459	{
5460	#ifdef DEBUG
5461	WriteLog("SurfGetUniquenessValue\n");
5462	#endif
5463	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5464	if (NULL==lpValue)
5465	return DDERR_INVALIDPARAMS;
5466
5467	*lpValue = me->dwUniqueValue;
5468	return DD_OK;
5469	}
5470	//******************************************************************************
5471	//******************************************************************************
5472	HRESULT __stdcall SurfChangeUniquenessValue(THIS This)
5473	{
5474	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5475	int i;
5476	PSURFPRIVATEDATA pSData;
5477
5478
5479	#ifdef DEBUG
5480	WriteLog("SurfChangeUniquenessValue\n");
5481	#endif
5482	me->dwUniqueValue++;
5483
5484	if(DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0)
5485	{
5486	i=0;
5487	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData))
5488	{
5489	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5490	if (pSData->dwFlags & DDSPD_VOLATILE)
5491	{
5492	// Data becomes unvalid after a Surface change
5493	if (pSData->dwFlags & DDSPD_IUNKNOWNPOINTER)
5494	{
5495	// pointer to com stored so call its release
5496	((OS2IDirectDrawSurface *) pSData->pData)->lpVtbl->Release(pSData->pData);
5497	}
5498	else
5499	{
5500	// Free allocated data
5501	free( pSData->pData);
5502	}
5503	pSData->pData = NULL;
5504	pSData->isValid = FALSE; // set flag to invalid
5505	}
5506	i++;
5507	}
5508	}
5509
5510	return (DD_OK);
5511	}
5512
5513	//******************************************************************************
5514	//
5515	// Purpose function copies one part of the bitmap inside the same bitmap
5516	//
5517	//******************************************************************************
5518
5519	void __cdecl MoveRects(char* pBuffer, LPRECT lpDestRect, LPRECT lpSrcRect, int bpp, LONG lPitch)
5520	{
5521
5522	char pBltPos, pSrcPos;
5523	int BlitWidth,BlitHeight;
5524	static char Scanline[6400]; // sufficient for 1600 at 32 bit
5525
5526	// Bridge, we may got a problem ;)
5527	// Check for Overlapping Rects
5528
5529	pBltPos = pBuffer;
5530	pSrcPos = pBuffer;
5531
5532	if(lpDestRect->top <= lpSrcRect->top)
5533	{
5534	// +-------+ +-------+ +-------+
5535	// \|S \| \|S \| \|S \| +---+---+---+
5536	// \| +---\|---+ +-------+ +---\|---+ \| \|S/D\|D/S\| \|
5537	// \| \| D \| \| \| D \| \| D \| \| \| \| \| \| \|
5538	// +-------+ \| +-------+ \| +-------+ \| \| \| \|
5539	// \| \| \| \| \| \| +---+---+---+
5540	// +-------+ +-------+ +-------+
5541	//
5542	// We got one of the above cases (or no overlapping) so copy from bottom up
5543
5544	pBltPos += (lpDestRect->left * bpp) + lPitch * lpDestRect->top;
5545	pSrcPos += (lpSrcRect->left * bpp) + lPitch * (lpSrcRect->bottom-1);
5546	BlitHeight = lpDestRect->bottom - lpDestRect->top;
5547	BlitWidth = (lpDestRect->right - lpDestRect->left) * bpp;
5548
5549	while(1)
5550	{
5551	memcpy(Scanline,pSrcPos,BlitWidth);
5552	memcpy(pBltPos,Scanline,BlitWidth);
5553	pBltPos += lPitch;
5554	pSrcPos -= lPitch;
5555	if(! (--BlitHeight))
5556	break;
5557	}
5558	}
5559	else
5560	{
5561	// +-------+ +-------+ +-------+
5562	// \| D \| \| D \| \| D \|
5563	// \| +---\|---+ +-------+ +---\|---+ \|
5564	// \| \|S \| \| \|S \| \|S \| \| \|
5565	// +-------+ \| +-------+ \| +-------+
5566	// \| \| \| \| \| \|
5567	// +-------+ +-------+ +-------+
5568	//
5569	// We got one of the above cases so copy top down
5570
5571	pBltPos += (lpDestRect->left * bpp) + lPitch * lpDestRect->top;
5572	pSrcPos += (lpSrcRect->left * bpp) + lPitch * lpSrcRect->top;
5573	BlitHeight = lpDestRect->bottom - lpDestRect->top;
5574	BlitWidth = (lpDestRect->right - lpDestRect->left) * bpp;
5575
5576	while(1)
5577	{
5578	memcpy(Scanline,pSrcPos,BlitWidth);
5579	memcpy(pBltPos,Scanline,BlitWidth);
5580	pBltPos += lPitch;
5581	pSrcPos += lPitch;
5582	if(! (--BlitHeight))
5583	break;
5584	}
5585	}
5586
5587	}
5588
5589	//******************************************************************************
5590	//
5591	// Purpose : Do a blit using the precalced Transbuffer
5592	// That is the only way to do fast blits if a colorrange is used
5593	// and we can find totally transparent lines and don't blit them
5594	// and detect if the part of the line is transparent
5595	//
5596	// Idea for a kind of mask buffer
5597	// Format of Transparentbuffer (each line):
5598	// the first DWORD contains 2 WORDS with Offset of First Non transparent
5599	// pixel in the low word and the last non transparent pixel in a row in
5600	// the high word. => 0 = line totally transparent!
5601	// This limits the max supported width to 2^16 but I thing this is enougth
5602	// The size per line is 1+((Width+31) & ~31) DWORDS => each Bit represents
5603	// 1 pixel
5604	//
5605	// TransparentBufferCreate(lpDDSurfaceDesc->dwWidth, lpDDSurfaceDesc->dwHeight);
5606	//
5607	// Layout of a DWORD:
5608	// UUVVWWXX dword is processed LS Byte FIRST ...
5609	// Each bit in a byte stands for one pixel. MS Bit First
5610	//
5611	// example: Bitmap (16x5) (X= opaque, . = Transparent)
5612	// ...XX...XX....XX
5613	// ..XXXX....XXXX..
5614	// ................
5615	// .........XXXXXX.
5616	// ...XX...X......X
5617	//
5618	// Transparent buffer (2DWORDS) per line
5619	//
5620	// 0x00100003, 0x0000C318
5621	// 0x000E0002, 0x00003C3C
5622	// 0x00000000, 0x00000000
5623	// 0x000F000A, 0x00007E00
5624	// 0x00100003, 0x00008118
5625	//******************************************************************************
5626
5627	void __cdecl TransSRCBlit8(LPDDSURFACEDESC2 pDestDesc, LPDDSURFACEDESC2 pSrcDesc, char *pAlpha, LPRECT lpSrcRect)
5628	{
5629	DWORD *pdwTLine; // pointer to the transparent buffer
5630	DWORD dwTLineLen; // # of DWORDS in each tBuffer line
5631	DWORD dwTLineStart; // # DWORD in which the first transinfo is
5632	DWORD dwTDWStart; // byte in which the firs transinfo is
5633	DWORD dwTrans; // current transparentvalue
5634	DWORD BlitWidth;
5635	dwTLineLen = 1 + ((pSrcDesc->dwWidth + 31) & ~31);
5636	pdwTLine = (DWORD)pAlpha + (dwTLineLen lpSrcRect->top);
5637	dwTLineStart = 1+(lpSrcRect->left/32);
5638	dwTDWStart = (lpSrcRect->left+8)/8;
5639	}
5640
5641

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