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OS2SURFACE.CPP@ 1476

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Last change on this file since 1476 was 1434, checked in by hugh, 26 years ago
Fixed Bug in colorconversion, didn't iterate ddex1.exe from the DX samples now works, but bitmap is still mirrored up/down
File size: 173.8 KB

Line
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	lpVtbl2 = &Vtbl;
535	dwUnknownData = 0xDEADDEAD;
536	Vtbl.AddRef = SurfAddRef;
537	Vtbl.Release = SurfRelease;
538	Vtbl.QueryInterface = SurfQueryInterface;
539	Vtbl.AddAttachedSurface = SurfAddAttachedSurface4;
540	Vtbl.AddOverlayDirtyRect = SurfAddOverlayDirtyRect;
541	Vtbl.Blt = SurfBlt4;
542	Vtbl.BltBatch = SurfBltBatch;
543	Vtbl.BltFast = SurfBltFast4;
544	Vtbl.DeleteAttachedSurface = SurfDeleteAttachedSurface4;
545	Vtbl.EnumAttachedSurfaces = SurfEnumAttachedSurfaces4;
546	Vtbl.EnumOverlayZOrders = SurfEnumOverlayZOrders4;
547	Vtbl.Flip = SurfFlip4;
548	Vtbl.GetAttachedSurface = SurfGetAttachedSurface4;
549	Vtbl.GetBltStatus = SurfGetBltStatus;
550	Vtbl.GetCaps = SurfGetCaps4;
551	Vtbl.GetClipper = SurfGetClipper;
552	Vtbl.GetColorKey = SurfGetColorKey;
553	Vtbl.GetDC = SurfGetDC;
554	Vtbl.GetFlipStatus = SurfGetFlipStatus;
555	Vtbl.GetOverlayPosition = SurfGetOverlayPosition;
556	Vtbl.GetPalette = SurfGetPalette;
557	Vtbl.GetPixelFormat = SurfGetPixelFormat;
558	Vtbl.GetSurfaceDesc = SurfGetSurfaceDesc4;
559	Vtbl.Initialize = SurfInitialize4;
560	Vtbl.IsLost = SurfIsLost;
561	Vtbl.Lock = SurfLock4;
562	Vtbl.ReleaseDC = SurfReleaseDC;
563	Vtbl.Restore = SurfRestore;
564	Vtbl.SetClipper = SurfSetClipper;
565	Vtbl.SetColorKey = SurfSetColorKey;
566	Vtbl.SetOverlayPosition = SurfSetOverlayPosition;
567	Vtbl.SetPalette = SurfSetPalette;
568	Vtbl.Unlock = SurfUnlock4;
569	Vtbl.UpdateOverlay = SurfUpdateOverlay4;
570	Vtbl.UpdateOverlayDisplay = SurfUpdateOverlayDisplay;
571	Vtbl.UpdateOverlayZOrder = SurfUpdateOverlayZOrder4;
572	Vtbl.GetDDInterface = SurfGetDDInterface;
573	Vtbl.PageLock = SurfPageLock;
574	Vtbl.PageUnlock = SurfPageUnlock;
575	Vtbl.SetSurfaceDesc = SurfSetSurfaceDesc4;
576	Vtbl.SetPrivateData = SurfSetPrivateData;
577	Vtbl.GetPrivateData = SurfGetPrivateData;
578	Vtbl.FreePrivateData = SurfFreePrivateData;
579	Vtbl.ChangeUniquenessValue = SurfChangeUniquenessValue;
580	Vtbl.GetUniquenessValue = SurfGetUniquenessValue;
581	lpDraw = lpDirectDraw;
582	lpDraw->Vtbl.AddRef(lpDraw);
583
584	ImplicitSurface = Implicit;
585
586	hDive = lpDirectDraw->GetDiveInstance();
587	hDiveCC = lpDirectDraw->GetCCDiveInstance();
588	surfaceType = DDSCAPS_OFFSCREENPLAIN;
589	memcpy((char )&DDSurfaceDesc, (char )lpDDSurfaceDesc, sizeof(DDSURFACEDESC2));
590
591	if(lpDraw->dCaps.ulDepth != 15)
592	{
593	if(lpDraw->dCaps.ulDepth >= 8)
594	dwBytesPPDive = lpDraw->dCaps.ulDepth >> 3;
595	else
596	dwBytesPPDive = 1; // not sure if this is the case
597	}
598	else
599	dwBytesPPDive = 2; // 2 bytes for 15Bit
600
601	// Setting up Cursors for handling attached Surfaces
602
603	DPA_SurfaceMipMaps = DPA_Create(8);
604	if(NULL==DPA_SurfaceMipMaps)
605	{
606	#ifdef DEBUG
607	WriteLog("Internal : Error creating DPA for MipMaps\n");
608	#endif
609	lastError = DDERR_OUTOFMEMORY ;
610	return;
611	}
612
613	DPA_SurfaceAttached = DPA_Create(8);
614	if(NULL==DPA_SurfaceAttached)
615	{
616	#ifdef DEBUG
617	WriteLog("Internal : Error creating DPA for attached surfaces\n");
618	#endif
619	lastError = DDERR_OUTOFMEMORY ;
620	return;
621	}
622
623	DPA_LockedRects = DPA_Create(8);
624	if(NULL==DPA_LockedRects)
625	{
626	#ifdef DEBUG
627	WriteLog("Internal : Error creating DPA for Locked Rectangles\n");
628	#endif
629	lastError = DDERR_OUTOFMEMORY ;
630	return;
631	}
632
633	DPA_SurfacePrivateData = DPA_Create(8);
634	if(NULL==DPA_SurfacePrivateData)
635	{
636	#ifdef DEBUG
637	WriteLog("Internal : Error creating DPA for priva surface Data\n");
638	#endif
639	lastError = DDERR_OUTOFMEMORY ;
640	return;
641	}
642
643	if( lpDDSurfaceDesc->dwFlags & DDSD_CAPS )
644	{
645	// First check if we want to create a primary surface while the ddraw object already has one
646	surfaceType = lpDDSurfaceDesc->ddsCaps.dwCaps;
647
648	if( surfaceType & DDSCAPS_PRIMARYSURFACE)
649	{
650	#ifdef DEBUG
651	WriteLog("Primary surface!\n");
652	#endif
653
654	if( lpDraw->HasPrimarySurface())
655	{
656	#ifdef DEBUG
657	WriteLog("Primary surface already exits!\n");
658	#endif
659	lastError = DDERR_PRIMARYSURFACEALREADYEXISTS;
660	return;
661	}
662
663	if( (lpDDSurfaceDesc->dwFlags & DDSD_HEIGHT) \|\|
664	(lpDDSurfaceDesc->dwFlags & DDSD_WIDTH) \|\|
665	(lpDDSurfaceDesc->dwFlags & DDSD_PIXELFORMAT)
666	)
667	{
668	// Dx doc says passing width,height etc. for primary surface in not permitted!!
669	WriteLog("Invalid parameters\n\n");
670	lastError = DDERR_INVALIDPARAMS;
671	return;
672	}
673
674	// Check if OS/2 is running in the requested colormode
675
676	diveBufNr = DIVE_BUFFER_SCREEN;
677	if( lpDraw->dCaps.ulDepth == lpDraw->GetScreenBpp() )
678	{
679	WriteLog("DirectScreenAccess possible\n");
680
681	// Yes so direct access to framebuffer is possible
682
683	pFrameBuffer = lpDraw->GetFrameBuffer();
684	pDiveBuffer = pFrameBuffer;
685	dwPitchDB = lpDraw->dCaps.ulScanLineBytes;
686	dwPitchFB = dwPitchDB;
687	DDSurfaceDesc.lPitch = dwPitchDB;
688	}
689	else
690	{
691	// No so we create a virtual framebuffer which the program can access
692	// and blit to the real framebuffer on Unlock to do color conversion
693
694	WriteLog( "Need Color conversation %d => %d Bit\n",
695	lpDraw->GetScreenBpp(),
696	lpDraw->dCaps.ulDepth
697	);
698
699	dwPitchFB = (lpDraw->GetScreenWidth() * lpDraw->GetScreenBpp() +7) & ~7;
700	DDSurfaceDesc.lPitch = dwPitchFB;
701
702	// 24 byte more to enable alignment and speed up blitting
703
704	pFBreal = (char)malloc( lpDraw->GetScreenHeight() dwPitchFB + 24);
705	pFrameBuffer = (char*)(((int)pFBreal + 7) & ~7); // align to QWORD
706
707	// DiveBuffer points to real framebuffer
708	dwPitchDB = lpDraw->dCaps.ulScanLineBytes;
709	pDiveBuffer = lpDraw->GetFrameBuffer();
710
711	}
712
713	// Update passed in and local Surface description
714
715	#ifdef DEBUG
716	WriteLog("Setting up Surface\n");
717	#endif
718	DDSurfaceDesc.dwFlags \|= DDSD_WIDTH \| DDSD_HEIGHT \|
719	DDSD_PITCH \| DDSD_LPSURFACE \|
720	DDSD_PIXELFORMAT;
721	DDSurfaceDesc.dwHeight = lpDraw->GetScreenHeight();
722	DDSurfaceDesc.dwWidth = lpDraw->GetScreenWidth();
723	DDSurfaceDesc.lpSurface = pFrameBuffer;
724	lpDDSurfaceDesc->dwFlags = DDSurfaceDesc.dwFlags;
725	lpDDSurfaceDesc->dwHeight = DDSurfaceDesc.dwHeight;
726	lpDDSurfaceDesc->dwWidth = DDSurfaceDesc.dwWidth;
727	lpDDSurfaceDesc->lpSurface = pFrameBuffer;
728	lpDDSurfaceDesc->lPitch = DDSurfaceDesc.lPitch;
729
730	lpDDSurfaceDesc->ddsCaps.dwCaps \|= DDSCAPS_VISIBLE;
731	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_VISIBLE;
732	lpDraw->SetPrimarySurface(TRUE);
733	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
734	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
735	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = lpDraw->GetScreenBpp();
736	DDSurfaceDesc.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
737	DDSurfaceDesc.ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
738	DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount = lpDraw->GetScreenBpp();
739
740	switch(DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
741	{
742	case 4:
743	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
744	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
745	break;
746	case 8:
747	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
748	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
749	break;
750	case 16:
751	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
752	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
753	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
754	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
755	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
756	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x0000F800;
757	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x000007E0;
758	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x0000001F;
759	break;
760	case 24:
761	case 32:
762	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
763	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
764	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
765	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
766	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
767	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
768	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
769	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x000000FF;
770	break;
771	default:
772	// Remove the Pixelformat flag
773	lpDDSurfaceDesc->dwFlags &= ~DDSD_PIXELFORMAT;
774	DDSurfaceDesc.dwFlags &= ~DDSD_PIXELFORMAT;
775	#ifdef DEBUG
776	WriteLog("Unexpected BitDepth : %d\n",lpDraw->GetScreenBpp());
777	#endif
778	break;
779	} // end switch
780
781	#ifdef DEBUG
782	WriteLog("Surface set up, checking other Caps\n");
783	#endif
784
785	if( DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_COMPLEX)
786	{
787	#ifdef DEBUG
788	WriteLog("Complex Surface\n");
789	#endif
790
791	if(lpDDSurfaceDesc->dwFlags & DDSD_BACKBUFFERCOUNT)
792	{
793	#ifdef DEBUG
794	WriteLog("Backbuffer # = %d\n",lpDDSurfaceDesc->dwBackBufferCount);
795	#endif
796	memset( &ComplexSurfaceDesc,
797	0,
798	sizeof(DDSURFACEDESC2));
799
800	ComplexSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
801	ComplexSurfaceDesc.dwFlags = DDSD_CAPS \|
802	DDSD_WIDTH \|
803	DDSD_HEIGHT \|
804	DDSD_PIXELFORMAT;
805	ComplexSurfaceDesc.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER \| DDSCAPS_FLIP;
806	ComplexSurfaceDesc.dwHeight = DDSurfaceDesc.dwHeight;
807	ComplexSurfaceDesc.dwWidth = DDSurfaceDesc.dwWidth;
808	ComplexSurfaceDesc.ddpfPixelFormat.dwFlags = DDSurfaceDesc.ddpfPixelFormat.dwFlags;
809	ComplexSurfaceDesc.ddpfPixelFormat.dwRBitMask = DDSurfaceDesc.ddpfPixelFormat.dwRBitMask;
810	ComplexSurfaceDesc.ddpfPixelFormat.dwGBitMask = DDSurfaceDesc.ddpfPixelFormat.dwGBitMask;
811	ComplexSurfaceDesc.ddpfPixelFormat.dwBBitMask = DDSurfaceDesc.ddpfPixelFormat.dwBBitMask;
812	ComplexSurfaceDesc.ddpfPixelFormat.dwRGBBitCount = DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
813
814	if(lpDDSurfaceDesc->dwBackBufferCount>1)
815	{
816	ComplexSurfaceDesc.dwFlags \|=DDSD_BACKBUFFERCOUNT;
817	ComplexSurfaceDesc.dwBackBufferCount = lpDDSurfaceDesc->dwBackBufferCount -1;
818	ComplexSurfaceDesc.ddsCaps.dwCaps\|= DDSCAPS_COMPLEX;
819	}
820
821	BackBuffer = new OS2IDirectDrawSurface(lpDraw, &ComplexSurfaceDesc, TRUE, TRUE);
822	BackBuffer->Vtbl.AddRef((IDirectDrawSurface *)BackBuffer);
823
824	if (BackBuffer->GetLastError()==DD_OK)
825	{
826	WriteLog("created backbuffer");
827	// Our Primary Buffer is also the frontbuffer of a flipchain
828	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER \| DDSCAPS_FLIP;
829	lpDDSurfaceDesc->ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER \| DDSCAPS_FLIP;
830	BackBuffer->SetFrontBuffer(this);
831	}
832	else
833	{
834	WriteLog("Error creating backbuffer");
835	}
836	}
837	else
838	{
839	#ifdef DEBUG
840	WriteLog("Unsupported Complex Surface\n");
841	_dump_DDSCAPS(lpDDSurfaceDesc->dwFlags);
842	#endif
843	lastError = DDERR_OUTOFMEMORY;
844	return;
845	} //endif Backbuffer
846	} // endif DDSCAPS_COMPLEX
847
848	width = DDSurfaceDesc.dwWidth;
849	height = DDSurfaceDesc.dwHeight;
850
851	lpDraw->pPrimSurf = this;
852
853	lastError = DD_OK;
854	return;
855	} // endif DDSCAPS_PRIMARYSURFACE
856
857	//
858	// ToDo : Do better calulation of Bitmap Size to support the compressed Bitmaps in Dx6
859	//
860
861	if( (DDSurfaceDesc.dwFlags & DDSD_HEIGHT) &&
862	(DDSurfaceDesc.dwFlags & DDSD_WIDTH)
863	)
864
865	{
866	DWORD dwBpp;
867	DWORD dwCaps;
868	WriteLog( " Requested Size %dx%d\n",
869	DDSurfaceDesc.dwWidth,
870	DDSurfaceDesc.dwHeight);
871
872	if(DDSurfaceDesc.dwFlags & DDSD_PIXELFORMAT) // Pixelformat passed in ?
873	{
874	WriteLog(" Pixelformat requested :");
875	// YES use it
876	if(DDSurfaceDesc.ddpfPixelFormat.dwFlags & DDPF_RGB)
877	{
878	dwBpp = DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
879	}
880	else
881	{
882	if(DDSurfaceDesc.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8)
883	dwBpp = 8;
884	if(DDSurfaceDesc.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED4)
885	dwBpp = 4;
886	}
887	}
888	else
889	{
890	WriteLog(" Use Screen Format :");
891	dwBpp = lpDraw->GetScreenBpp(); // No use Screenformat
892	lpDDSurfaceDesc->ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
893	lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
894	lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount = dwBpp;
895	DDSurfaceDesc.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
896	DDSurfaceDesc.ddpfPixelFormat.dwFourCC = (DWORD) lpDraw->GetScreenFourCC();
897	DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount = dwBpp;
898	switch(DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
899	{
900	case 4:
901	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
902	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED4 \| DDPF_RGB;
903	break;
904	case 8:
905	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
906	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 \| DDPF_FOURCC \| DDPF_RGB;
907	break;
908	case 16:
909	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
910	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x0000F800;
911	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x000007E0;
912	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x0000001F;
913	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
914	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x0000F800;
915	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x000007E0;
916	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x0000001F;
917	break;
918	case 24:
919	case 32:
920	lpDDSurfaceDesc->ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
921	lpDDSurfaceDesc->ddpfPixelFormat.dwRBitMask = 0x00FF0000;
922	lpDDSurfaceDesc->ddpfPixelFormat.dwGBitMask = 0x0000FF00;
923	lpDDSurfaceDesc->ddpfPixelFormat.dwBBitMask = 0x000000FF;
924	DDSurfaceDesc.ddpfPixelFormat.dwFlags = DDPF_FOURCC \| DDPF_RGB;
925	DDSurfaceDesc.ddpfPixelFormat.dwRBitMask = 0x00FF0000;
926	DDSurfaceDesc.ddpfPixelFormat.dwGBitMask = 0x0000FF00;
927	DDSurfaceDesc.ddpfPixelFormat.dwBBitMask = 0x000000FF;
928	break;
929	default:
930	// Remove the Pixelformat flag
931	lpDDSurfaceDesc->dwFlags &= ~DDSD_PIXELFORMAT;
932	DDSurfaceDesc.dwFlags &= ~DDSD_PIXELFORMAT;
933	#ifdef DEBUG
934	WriteLog("Unexpected BitDepth : %d\n",lpDraw->GetScreenBpp());
935	#endif
936	break;
937	} // end switch
938
939	}
940
941	WriteLog("%d Bits\n",dwBpp);
942
943	// three possible situaltions
944	// 1. User supplied pointer to surface -> use it
945	// 2. Delayed allocation of a texture -> don't alloc
946	// 3. Normal allocation
947	// After this check for complex flag.
948
949	dwCaps = DDSurfaceDesc.ddsCaps.dwCaps;
950
951	if(DDSurfaceDesc.dwFlags & DDSD_LPSURFACE)
952	{
953	// 1.
954
955	WriteLog(" Usersupplied Surface\n");
956
957	if(NULL==DDSurfaceDesc.lpSurface)
958	{
959	// pointer is NULL! Stupid user ;)
960	lastError = DDERR_INVALIDPARAMS;
961	return;
962	}
963
964	// User allocated the Buffer for the surface so we don't have to
965
966	Updated = TRUE; // Set Flag to indicate User supplied buffer so we don't free it
967
968	// As we allready copied the surface description we are done if the # of colors
969	// of the surface is the same then the screen
970
971	pFrameBuffer = (char*)DDSurfaceDesc.lpSurface;
972	diveBufNr = -1;
973	dwPitchFB = DDSurfaceDesc.lPitch;
974
975	if( lpDraw->dCaps.ulDepth == dwBpp )
976	{
977	// Yes No Colorconversion is needed so point to the same buffer
978	dwPitchDB = dwPitchFB;
979	pDiveBuffer = pFrameBuffer;
980	}
981	else
982	{
983	// No so we must create the Divebuffer to do the color conversion
984	// and blit to the real framebuffer on Unlock to do color conversion
985
986	dwPitchDB = (lpDDSurfaceDesc->dwWidth * dwBytesPPDive +7) & ~7;
987
988	// 24 byte more to enable alignment and speed up blitting
989
990	pDBreal = (char)malloc( lpDDSurfaceDesc->dwHeight dwPitchDB + 24);
991	pDiveBuffer = (char*)(((int)pDBreal + 7) & ~7); // align to QWORD
992
993	// Not sure if that is ok but we need this for translation
994	// I hope no game uses YUV or such a crap
995
996	DDSurfaceDesc.ddpfPixelFormat.dwFourCC = SupportedFourCCs[dwBpp>>3];
997	}
998
999	}
1000	else
1001	{
1002
1003	if(dwCaps & DDSCAPS_ALLOCONLOAD)
1004	{
1005	// 2.
1006
1007	WriteLog(" Alloc on Load Texture?!\n");
1008
1009	dwCaps &= ~DDSCAPS_ALLOCONLOAD; // remove flag
1010
1011	// only allow this flag for textures
1012	if(!dwCaps & DDSCAPS_TEXTURE)
1013	{
1014	lastError = DDERR_INVALIDPARAMS;
1015	return;
1016	}
1017
1018	dwCaps &= ~DDSCAPS_TEXTURE; // remove flag
1019	pFrameBuffer = NULL;
1020	pDiveBuffer = NULL;
1021
1022	// This surface isn't allocated yet, but when the texture is loaded
1023	#ifdef DEBUG
1024	WriteLog("Warning : Delayed memory allocation on request\n");
1025	#endif
1026	DDSurfaceDesc.lpSurface = NULL;
1027	lpDDSurfaceDesc->lpSurface = NULL;
1028	}
1029	else
1030	{
1031	// 3.
1032
1033	WriteLog(" Alloc now!\n");
1034
1035	lpDDSurfaceDesc->dwFlags \|= DDSD_PITCH\|DDSD_LPSURFACE;
1036	DDSurfaceDesc.dwFlags = lpDDSurfaceDesc->dwFlags;
1037
1038	dwPitchFB = lpDDSurfaceDesc->dwWidth * (dwBpp<8?1:dwBpp/8);
1039	dwPitchFB = (dwPitchFB +7) & ~7; // Align on QWords
1040	DDSurfaceDesc.lPitch = dwPitchFB;
1041	lpDDSurfaceDesc->lPitch = dwPitchFB;
1042
1043	#ifdef DEBUG
1044	if(dwBpp<8)
1045	{
1046	WriteLog("1 or 4 Bit Surface encountered may not work !");
1047	}
1048	#endif
1049
1050
1051	// 24 byte more to enable alignment and speed up blitting
1052
1053	pFBreal = (char)malloc( lpDDSurfaceDesc->dwHeight dwPitchFB + 24);
1054
1055	if(NULL==pFBreal)
1056	{
1057	lastError = DDERR_OUTOFMEMORY;
1058	return;
1059	}
1060
1061	pFrameBuffer = (char*)(((int)pFBreal + 7) & ~7); // align to QWORD
1062
1063	WriteLog( " Framebuffer @ %08X QWAligned @ %08X with a Pitch of %d\n",
1064	pFBreal, pFrameBuffer, dwPitchFB);
1065
1066	lpDDSurfaceDesc->lpSurface = pFrameBuffer;
1067	DDSurfaceDesc.lpSurface = pFrameBuffer;
1068
1069
1070	if( (lpDraw->dCaps.ulDepth ) == dwBpp )
1071	{
1072	WriteLog(" No CC_Buffer needed\n");
1073	// Yes => No Colorconversion is needed so point to the same buffer
1074	pDiveBuffer = pFrameBuffer;
1075	}
1076	else
1077	{
1078	WriteLog(" Alloc CCBuf ");
1079	dwPitchDB = (lpDDSurfaceDesc->dwWidth * (lpDraw->dCaps.ulDepth/8) +7) & ~7;
1080	if(Mainchain)
1081	{
1082	WriteLog("with DIVE\n");
1083	// This surface is part of flipchain with the primary surface use dive to assoc memory
1084	pDiveBuffer = (char)malloc( lpDDSurfaceDesc->dwHeight
1085	dwPitchDB);
1086	diveBufNr = 0;
1087	rc = DiveAllocImageBuffer( hDive,
1088	&diveBufNr,
1089	lpDraw->dCaps.fccColorEncoding,
1090	lpDDSurfaceDesc->dwWidth,
1091	lpDDSurfaceDesc->dwHeight,
1092	dwPitchDB,
1093	(PBYTE)pDiveBuffer);
1094	WriteLog("rc = 0x%08X\n",rc);
1095	}
1096	else
1097	{
1098	WriteLog( "with malloc (%dx%d) Pitch %d ",
1099	lpDDSurfaceDesc->dwHeight,
1100	lpDDSurfaceDesc->dwWidth,
1101	dwPitchDB);
1102	// No so we must create the Divebuffer to do the colortranslation
1103	// and blit to the real framebuffer on Unlock to do color conversion
1104	pDiveBuffer = (char)malloc( lpDDSurfaceDesc->dwHeight
1105	dwPitchDB);
1106	}
1107	WriteLog( " @ %08X\n", pDiveBuffer);
1108	}
1109
1110	} // end of 3rd case
1111	} // End of alloc surfaces
1112
1113	width = DDSurfaceDesc.dwWidth;
1114	height = DDSurfaceDesc.dwHeight;
1115
1116	if( dwCaps & DDSCAPS_COMPLEX)
1117	{
1118	// remove the flag
1119	dwCaps &= ~DDSCAPS_COMPLEX;
1120	#ifdef DEBUG
1121	WriteLog("Complex Surface\n");
1122	#endif
1123
1124	if(lpDDSurfaceDesc->dwFlags & DDSD_BACKBUFFERCOUNT)
1125	{
1126	lpDDSurfaceDesc->dwFlags &= ~DDSD_BACKBUFFERCOUNT;
1127	#ifdef DEBUG
1128	WriteLog("Backbuffer # = %d\n",lpDDSurfaceDesc->dwBackBufferCount);
1129	#endif
1130	memcpy(&ComplexSurfaceDesc,lpDDSurfaceDesc,sizeof(DDSURFACEDESC2));
1131	ComplexSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP; // set flip
1132	ComplexSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_BACKBUFFER; // remove backbuffer
1133
1134	if(ComplexSurfaceDesc.dwBackBufferCount>1)
1135	{
1136	ComplexSurfaceDesc.dwBackBufferCount--;
1137	}
1138	else
1139	{
1140	ComplexSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
1141	ComplexSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_COMPLEX;
1142	}
1143
1144	BackBuffer = new OS2IDirectDrawSurface(lpDraw, &ComplexSurfaceDesc, TRUE, Mainchain);
1145	BackBuffer->Vtbl.AddRef((IDirectDrawSurface *)BackBuffer);
1146
1147	if (BackBuffer->GetLastError()==DD_OK)
1148	{
1149	DDSurfaceDesc.dwFlags \|= DDSCAPS_FLIP;
1150	BackBuffer->SetFrontBuffer(this);
1151	}
1152
1153	}
1154
1155	// MipMap Surfaces are handled here
1156	if( (lpDDSurfaceDesc->dwFlags & DDSD_MIPMAPCOUNT) &&
1157	(dwCaps & DDSCAPS_TEXTURE) &&
1158	(dwCaps & DDSCAPS_MIPMAP) )
1159	{
1160	dwCaps &= ~ (DDSCAPS_TEXTURE \| DDSCAPS_MIPMAP);
1161
1162	lpDDSurfaceDesc->dwFlags &= ~DDSD_MIPMAPCOUNT;
1163	#ifdef DEBUG
1164	WriteLog("Mipmpa # = %d\n",lpDDSurfaceDesc->dwMipMapCount);
1165	#endif
1166	memcpy(&ComplexSurfaceDesc,lpDDSurfaceDesc,sizeof(DDSURFACEDESC2));
1167	ComplexSurfaceDesc.dwMipMapCount = 0;
1168
1169	for(int i =0; i < lpDDSurfaceDesc->dwMipMapCount; i++)
1170	{
1171	#ifdef DEBUG
1172	WriteLog("Creating MipMap %d\n",i);
1173	#endif
1174	// Mpmaps shirnk by 2
1175	ComplexSurfaceDesc.dwWidth /= 2;
1176	ComplexSurfaceDesc.dwHeight /= 2;
1177
1178	MipMapSurface = new OS2IDirectDrawSurface(lpDraw, &ComplexSurfaceDesc, TRUE);
1179	MipMapSurface->Vtbl.AddRef((IDirectDrawSurface *)MipMapSurface);
1180
1181	DPA_InsertPtr( DPA_SurfaceMipMaps,
1182	DPA_GetPtrCount(DPA_SurfaceMipMaps),
1183	MipMapSurface);
1184
1185	if(MipMapSurface->GetLastError() != DD_OK)
1186	{
1187	lastError = MipMapSurface->GetLastError();
1188	#ifdef DEBUG
1189	WriteLog("Attached surface creation returned error %d\n",lastError);
1190	#endif
1191	return;
1192	} // Endif Errorcheck
1193	} //End for(i =0; i < lpDDSurfaceDesc->dwMipMapCount; i++)
1194	} // End of MipMaps
1195
1196	#ifdef DEBUG
1197	if(lpDDSurfaceDesc->dwFlags)
1198	WriteLog("Unsupported Complex Surface\n");
1199	#endif
1200	} // Endif DDSCAPS_COMPLEX
1201	}
1202	else
1203	{
1204	lastError = DDERR_INVALIDPARAMS;
1205	}
1206	} // Endif DDCAPS is valid
1207	else
1208	{
1209	WriteLog("CAPS not valid\n");
1210	lastError = DDERR_INVALIDPARAMS;
1211	}
1212	#ifdef DEBUG
1213	WriteLog("Buf %X Screen Caps (%d,%d), bitcount %d\n\n", this, lpDraw->GetScreenHeight(), lpDraw->GetScreenWidth(),
1214	lpDraw->dCaps.ulDepth);
1215	if(DD_OK!=lastError)
1216	{
1217	WriteLog("Some Error Check Flags\n");
1218	_dump_DDSCAPS(lpDDSurfaceDesc->dwFlags);
1219	}
1220	#endif
1221	}
1222	//******************************************************************************
1223	//******************************************************************************
1224	HRESULT OS2IDirectDrawSurface::ColorFill(LPRECT lpDestRect,DWORD dwFillColor)
1225	{
1226
1227	int i,j, FillWidth, FillHeight;
1228	char pLine, pFillPos;
1229
1230	DWORD *pColor, dwColor,y;
1231	DWORD *pPal24;
1232	WORD *pPal16;
1233	#ifdef DEBUG
1234	WriteLog("ColorFill with %08X\n", dwFillColor);
1235	#endif
1236
1237	if(NULL!=lpDestRect)
1238	{
1239	#ifdef DEBUG
1240	WriteLog("Fill only Rect(%d,%d)(%d,%d)\n", lpDestRect->left, lpDestRect->top,
1241	lpDestRect->right, lpDestRect->bottom);
1242	#endif
1243	FillWidth = lpDestRect->right - lpDestRect->left;
1244	FillHeight = lpDestRect->bottom - lpDestRect->top -1;
1245	pLine = pDiveBuffer +
1246	(lpDestRect->top*dwPitchDB) +
1247	(lpDestRect->left*dwBytesPPDive);
1248	}
1249	else
1250	{
1251	WriteLog("Fill all at addr ");
1252	FillWidth = width;
1253	FillHeight = height -1;
1254	pLine = pDiveBuffer;
1255	}
1256	WriteLog("0x%08X (%d/%d) at\n", pLine,FillWidth,FillHeight);
1257
1258	if(pDiveBuffer!=pFrameBuffer)
1259	{
1260	if( (NULL== lpDraw->pPrimSurf) \|\|
1261	(NULL== ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette) )
1262	{
1263	if(!fPalInit)
1264	{
1265	for(DWORD i=0;i<256;i++)
1266	{
1267	wDefaultPalete16[i] = (DefaultPalette[i*3+2]>>3) +
1268	((DefaultPalette[i*3+1]>>2) <<5) +
1269	((DefaultPalette[i*3]>>3) << 11);
1270	WriteLog( " # %d : RGB=%02X/%02X/%02X => %04X\n",
1271	i,
1272	DefaultPalette[i*3],
1273	DefaultPalette[i*3+1],
1274	DefaultPalette[i*3+2],
1275	wDefaultPalete16[i]);
1276	// aPal24[i] = (lpColorTable[i].peBlue <<8) +
1277	// (lpColorTable[i].peGreen<<16) +
1278	// (lpColorTable[i].peRed<<24);
1279	}
1280	fPalInit = TRUE;
1281	}
1282	pPal16 = &wDefaultPalete16[0];
1283	}
1284	else
1285	{
1286	pPal16 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal16;
1287	pPal24 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal24;
1288	}
1289	}
1290
1291	switch(dwBytesPPDive)
1292	{
1293	case 1:
1294	WriteLog("8 Bit\n");
1295	dwColor = (dwFillColor<<24) + (dwFillColor<<16) +
1296	(dwFillColor<<8) + (dwFillColor);
1297	for(i=0,pColor = (DWORD*)pLine;i<(FillWidth/4);i++)
1298	pColor[i] = dwColor;
1299	if(FillWidth % 4)
1300	{
1301	pFillPos = (char*) (&pColor[i-1]);
1302	for(i=0;i<FillWidth % 4;i++)
1303	pFillPos[i] = (UCHAR) dwColor;
1304	}
1305	break;
1306	case 2:
1307	WriteLog("16 Bit\n");
1308	if(pDiveBuffer!=pFrameBuffer)
1309	{
1310	if(8==lpDraw->GetScreenBpp())
1311	dwFillColor = pPal16[dwFillColor];
1312	}
1313	dwColor = (dwFillColor<<16) + (dwFillColor);
1314	WriteLog("Fill with 0x%08X\n",dwColor);
1315	for(i=0,pColor = (DWORD*)pLine;i<(FillWidth/2);i++)
1316	pColor[i] = dwColor;
1317	if(FillWidth % 2)
1318	{
1319	pFillPos = (char*)(&pColor[i-1]);
1320	((USHORT)pFillPos) = (USHORT)dwColor;
1321	}
1322	break;
1323	case 3:
1324	WriteLog("24 Bit\n");
1325
1326	dwColor = (dwFillColor<<8);
1327	for(i=0 ; i<FillWidth ; i++)
1328	{
1329	char* pColor = (char)pLine+(i3);
1330	*pColor = dwColor;
1331	}
1332	break;
1333	case 4:
1334	WriteLog("32 Bit\n");
1335	dwColor = dwFillColor;
1336	for(i=0,pColor = (DWORD*)pLine;i<FillWidth;i++)
1337	pColor[i] = dwColor;
1338	break;
1339	default:
1340	#ifdef DEBUG
1341	WriteLog("Unexpected Bitdepth\n");
1342	#endif
1343	return DDERR_GENERIC;
1344	} // end switch(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
1345
1346
1347	pFillPos = pLine + dwPitchDB;
1348	FillWidth = FillWidth*dwBytesPPDive;;
1349	for( y=0;y<FillHeight;y++,pFillPos+=dwPitchDB)
1350	{
1351	#ifdef USE_ASM
1352	// ToDo get the loop into an asm function as well to speed up filling
1353	// maybe remove the creation of the first fill line in an all asm
1354	// function and use MMX regs to set 8 bytes
1355	MemFlip(pFillPos,pLine,FillWidth);
1356	#else
1357	memcpy(pFillPos,pLine,FillWidth);
1358	#endif
1359	}
1360
1361	return(DD_OK);
1362
1363	#if 0 // rest of old code for resuse/move to a function to get closest syscolor
1364	// for colorconversion modes color fills
1365	else
1366	{
1367	// Yeah! Color conversion needed ;)
1368	#ifdef DEBUG
1369	WriteLog("Color converion ! Urks, may not work \n");
1370	#endif
1371
1372	switch(dest->lpDraw->dCaps.ulDepth)
1373	{
1374	case 8: // 256 Mode bad thing as programm wants to run in a higher mode might look ugly
1375	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,&SysPal[1]);
1376	pLogPal->palVersion = 0;
1377	pLogPal->palNumEntries = 256;
1378
1379	hPal = CreatePalette(pLogPal);
1380	if(hPal!=NULL)
1381	{
1382	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==16)
1383	{
1384	ulColor = ((lpDDBltFx->dwFillColor & 0x0000001F) <<3) +
1385	((lpDDBltFx->dwFillColor & 0x000007E0) <<5) +
1386	((lpDDBltFx->dwFillColor & 0x0000F800) <<8);
1387	}
1388	else
1389	ulColor = lpDDBltFx->dwFillColor;
1390
1391	ulColor = GetNearestPaletteIndex(hPal,ulColor);
1392	ulColor = (ulColor & 0x000000FF) + ((ulColor & 0x000000FF) << 8) +
1393	((ulColor & 0x000000FF) << 16) + ((ulColor & 0x000000FF) << 24);
1394	}
1395	else
1396	{
1397	#ifdef DEBUG
1398	WriteLog("Error creating Palette default to 0");
1399	#endif
1400	ulColor = 0;
1401	}
1402	for(i=0,(char*)pColor = ScanLine;i<(FillWidth/4)+1;i++)
1403	*(pColor+i) = ulColor;
1404	break;
1405	case 16:
1406	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==8)
1407	{
1408	if(lpDDBltFx->dwFillColor > 255)
1409	return DDERR_INVALIDPARAMS;
1410
1411	if(dest->lpPalette!=NULL)
1412	dest->lpPalette->lpVtbl->GetEntries(dest->lpPalette,0,0,256,(LPPALETTEENTRY)&SysPal);
1413	else
1414	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,(PPALETTEENTRY)&SysPal);
1415
1416	SysPal[lpDDBltFx->dwFillColor].peBlue >>3;
1417	SysPal[lpDDBltFx->dwFillColor].peGreen >>2;
1418	SysPal[lpDDBltFx->dwFillColor].peRed >>3;
1419	ulColor = ULONG(SysPal[lpDDBltFx->dwFillColor].peRed) << 11 +
1420	ULONG(SysPal[lpDDBltFx->dwFillColor].peGreen) << 5 +
1421	ULONG(SysPal[lpDDBltFx->dwFillColor].peBlue);
1422	}
1423	else
1424	{
1425	ulColor = (lpDDBltFx->dwFillColor & 0x000000FF)>>3 +
1426	(((lpDDBltFx->dwFillColor & 0x0000FF00)>>5) & 0x000007E0) +
1427	(((lpDDBltFx->dwFillColor & 0x00FF0000)>>8) & 0x0000F800);
1428	}
1429	ulColor += ulColor << 16;
1430	for(i=0,(char*)pColor = ScanLine;i<(FillWidth/2)+1;i++)
1431	*(pColor+i) = ulColor;
1432	break;
1433	case 24:
1434	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==8)
1435	{
1436	if(lpDDBltFx->dwFillColor > 255)
1437	return DDERR_INVALIDPARAMS;
1438
1439	if(dest->lpPalette!=NULL)
1440	dest->lpPalette->lpVtbl->GetEntries(dest->lpPalette,0,0,256,(LPPALETTEENTRY)&SysPal);
1441	else
1442	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,(PPALETTEENTRY)&SysPal);
1443
1444	ulColor = ULONG(SysPal[lpDDBltFx->dwFillColor].peRed) <<24 +
1445	ULONG(SysPal[lpDDBltFx->dwFillColor].peGreen) <<16 +
1446	ULONG(SysPal[lpDDBltFx->dwFillColor].peBlue) <<8;
1447	}
1448	else
1449	{
1450	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==16)
1451	{
1452	ulColor = ((lpDDBltFx->dwFillColor & 0x0000001F) <<11) +
1453	((lpDDBltFx->dwFillColor & 0x000007E0) <<13) +
1454	((lpDDBltFx->dwFillColor & 0x0000F800) <<18);
1455	}
1456	else
1457	ulColor = lpDDBltFx->dwFillColor << 8 ;
1458	}
1459
1460	for(i=0;i<FillWidth;i++)
1461	{
1462	char* pColor = (char)Scanline+(i3);
1463	*pColor = ulColor;
1464	}
1465	break;
1466	case 32:
1467	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==8)
1468	{
1469	if(lpDDBltFx->dwFillColor > 255)
1470	return DDERR_INVALIDPARAMS;
1471
1472	if(dest->lpPalette!=NULL)
1473	dest->lpPalette->lpVtbl->GetEntries(dest->lpPalette,0,0,256,(LPPALETTEENTRY)&SysPal);
1474	else
1475	GetSystemPaletteEntries(GetDC(HWND_DESKTOP),0,255,(PPALETTEENTRY)&SysPal);
1476
1477	ulColor = ULONG(SysPal[lpDDBltFx->dwFillColor].peRed) <<16 +
1478	ULONG(SysPal[lpDDBltFx->dwFillColor].peGreen) <<8 +
1479	ULONG(SysPal[lpDDBltFx->dwFillColor].peBlue);
1480	}
1481	else
1482	{
1483	if(dest->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount==16)
1484	{
1485	ulColor = ((lpDDBltFx->dwFillColor & 0x0000001F) <<3) +
1486	((lpDDBltFx->dwFillColor & 0x000007E0) <<5) +
1487	((lpDDBltFx->dwFillColor & 0x0000F800) <<8);
1488	}
1489	else
1490	ulColor = lpDDBltFx->dwFillColor & 0x00FFFFFF;
1491	}
1492
1493	for(i=0,(char*)pColor = ScanLine;i<(FillWidth/4);i++)
1494	*(pColor+i) = ulColor;
1495	break;
1496	default:
1497	#ifdef DEBUG
1498	WriteLog("Unexpected Bitdepth\n");
1499	#endif
1500	return DDERR_GENERIC;
1501	} // end switch (dest->lpDraw->dCaps.ulDepth)
1502	}// end of Scanline setup
1503	#endif
1504
1505	}
1506	//******************************************************************************
1507	//******************************************************************************
1508	void OS2IDirectDrawSurface::ColorConversion(LPRECT lpRect)
1509	{
1510	char pSrc,pDst,pSLine,pDLine;
1511	DWORD CCwidth,CCheight,x,y;
1512	DWORD *pPal24;
1513	WORD *pPal16;
1514
1515	if( (NULL== lpDraw->pPrimSurf) \|\|
1516	(NULL== ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette) )
1517	{
1518	if(!fPalInit)
1519	{
1520	for(DWORD i=0;i<256;i++)
1521	{
1522	wDefaultPalete16[i] = (DefaultPalette[i*3+2]>>3) +
1523	((DefaultPalette[i*3+1]>>2) <<5) +
1524	((DefaultPalette[i*3]>>3) << 11);
1525	WriteLog( " # %d : RGB=%02X/%02X/%02X => %04X\n",
1526	i,
1527	DefaultPalette[i*3],
1528	DefaultPalette[i*3+1],
1529	DefaultPalette[i*3+2],
1530	wDefaultPalete16[i]);
1531	// aPal24[i] = (lpColorTable[i].peBlue <<8) +
1532	// (lpColorTable[i].peGreen<<16) +
1533	// (lpColorTable[i].peRed<<24);
1534	}
1535	fPalInit = TRUE;
1536	}
1537	pPal16 = &wDefaultPalete16[0];
1538	}
1539	else
1540	{
1541	pPal16 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal16;
1542	pPal24 = ((OS2IDirectDrawSurface*)lpDraw->pPrimSurf)->lpPalette->aPal24;
1543	}
1544
1545	if(NULL==lpRect)
1546	{
1547	pSrc = pFrameBuffer;
1548	pDst = pDiveBuffer;
1549	CCwidth = width;
1550	CCheight = height;
1551	}
1552	else
1553	{
1554	// ToDo: Check why the top/bottom values come in swaped here
1555	// for now simply reverse them with the following 3 lines
1556	y = lpRect->top;
1557	lpRect->top = lpRect->bottom;
1558	lpRect->bottom = y;
1559	// end of hack
1560	pSrc = pFrameBuffer +
1561	(lpRect->top * dwPitchFB) +
1562	(lpRect->left* (lpDraw->dCaps.ulDepth/8));
1563	pDst = pDiveBuffer +
1564	(lpRect->top * dwPitchDB) +
1565	(lpRect->left* dwBytesPPDive);
1566	CCwidth = lpRect->right - lpRect->left;
1567	CCheight = lpRect->bottom - lpRect->top;
1568
1569	}
1570
1571	WriteLog( "H: %d W: %d\n SRC @ %08X\n DST @ %08X\n",
1572	CCheight, CCwidth, pSrc,pDst);
1573
1574	pSLine = pSrc;
1575	pDLine = pDst;
1576
1577	switch(lpDraw->dCaps.ulDepth)
1578	{
1579	case 8:
1580	WriteLog(" 8Bit target CC not implemented\n");
1581	break;
1582	case 15:
1583	WriteLog(" 15 Bit not implemented using 16bit might look ugly\n");
1584	case 16:
1585	if(8==lpDraw->GetScreenBpp())
1586	{
1587	WriteLog("8->16Bit CC\n");
1588	for(y=0;CCheight;CCheight--,y++)
1589	{
1590	for(x=0;x<width;x++)
1591	{
1592	(((WORD)pDLine)+x) = pPal16[pSLine[x]];
1593
1594	}
1595	pSLine += dwPitchFB;
1596	pDLine += dwPitchDB;
1597	}
1598	}
1599	else
1600	{
1601	WriteLog("%d ->16Bit Not implemented",lpDraw->GetScreenBpp());
1602	}
1603	break;
1604	case 24:
1605	if(8==lpDraw->GetScreenBpp())
1606	{
1607	WriteLog("8->24Bit CC");
1608	}
1609	else
1610	{
1611	WriteLog("%d ->24Bit Not implemented",lpDraw->GetScreenBpp());
1612	}
1613	break;
1614	case 32:
1615	if(8==lpDraw->GetScreenBpp())
1616	{
1617	WriteLog("8->32Bit CC");
1618	}
1619	else
1620	{
1621	WriteLog("%d ->32Bit Not implemented",lpDraw->GetScreenBpp());
1622	}
1623	break;
1624	default:
1625	#ifdef DEBUG
1626	WriteLog( "Unexpected Screen Bitdepth %d\n",
1627	lpDraw->dCaps.ulDepth);
1628	#endif
1629	break;
1630	}
1631
1632	/*
1633	SETUP_BLITTER sBlt;
1634	ULONG ulDN1, ulDN2;
1635	ULONG rc;
1636	ulDN1 = ulDN2 = 0;
1637
1638	memset(&sBlt,0,sizeof(sBlt));
1639	sBlt.ulStructLen = sizeof(sBlt);
1640	sBlt.fccSrcColorFormat = (FOURCC) DDSurfaceDesc.ddpfPixelFormat.dwFourCC;
1641	if (NULL!=lpRect)
1642	{
1643	sBlt.ulSrcWidth = lpRect->right - lpRect->left;
1644	sBlt.ulSrcHeight = lpRect->top - lpRect->bottom;
1645	sBlt.ulSrcPosX = lpRect->left;
1646	sBlt.ulSrcPosY = height - lpRect->top;
1647	}
1648	else
1649	{
1650	sBlt.ulSrcWidth = width;
1651	sBlt.ulSrcHeight = height;
1652	sBlt.ulSrcPosX = 0;
1653	sBlt.ulSrcPosY = 0;
1654	}
1655	sBlt.fccDstColorFormat = FOURCC_SCRN;
1656	sBlt.ulDstWidth = sBlt.ulSrcWidth;
1657	sBlt.ulDstHeight = sBlt.ulSrcHeight;
1658	sBlt.lDstPosX = sBlt.ulSrcPosX;
1659	sBlt.lDstPosY = sBlt.ulSrcPosY;
1660	sBlt.ulNumDstRects = DIVE_FULLY_VISIBLE;
1661
1662	WriteLog( "Colorconversion:\n FCC SRC %08X\n FCC DST %08X\n",
1663	sBlt.fccSrcColorFormat,
1664	sBlt.fccDstColorFormat );
1665
1666	rc = DiveAllocImageBuffer( hDiveCC,
1667	&ulDN1,
1668	sBlt.fccSrcColorFormat,
1669	width,
1670	height,
1671	dwPitchFB,
1672	(PBYTE)pFrameBuffer);
1673	WriteLog("AllocDiveSrc Buffer rc= 0x%08X\n",rc);
1674
1675	rc = DiveAllocImageBuffer( hDiveCC,
1676	&ulDN2,
1677	sBlt.fccDstColorFormat,
1678	width,
1679	height,
1680	dwPitchDB,
1681	(PBYTE)pDiveBuffer);
1682	WriteLog("AllocDiveDst Buffer rc= 0x%08X\n",rc);
1683
1684	rc = DiveSetupBlitter( hDiveCC,
1685	&sBlt);
1686	WriteLog("SetupBlitter rc= %X\n",rc);
1687
1688	rc = DiveBlitImage( hDiveCC,
1689	ulDN1,
1690	ulDN2);
1691
1692	WriteLog("Blit rc= %X\n",rc);
1693
1694	rc = DiveFreeImageBuffer( hDiveCC,
1695	ulDN1);
1696	WriteLog("Free Src rc= %X\n",rc);
1697
1698	rc = DiveFreeImageBuffer( hDiveCC,
1699	ulDN2);
1700
1701	WriteLog("Free dst rc= %X\n",rc);
1702	*/
1703	}
1704	//******************************************************************************
1705	//******************************************************************************
1706	// Internal callbacks uses by destructor
1707	int DestroyRects(LPVOID lpItem, DWORD dwRes)
1708	{
1709	DDRectangle pItem = (DDRectangle) lpItem;
1710	delete(pItem);
1711	return 1;
1712	}
1713
1714	int ReleaseSurfaces(LPVOID lpItem, DWORD dwRes)
1715	{
1716	OS2IDirectDrawSurface *pSurf;
1717	pSurf = (OS2IDirectDrawSurface *)lpItem;
1718	pSurf->Vtbl.Release(pSurf);
1719	return 1;
1720	}
1721	//******************************************************************************
1722	//******************************************************************************
1723
1724	OS2IDirectDrawSurface::~OS2IDirectDrawSurface()
1725	{
1726	OS2IDirectDrawSurface *AttachedSurface;
1727
1728
1729	if(DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
1730	{
1731	lpDraw->SetPrimarySurface(FALSE);
1732	if(lpPalette)
1733	lpPalette->RestorePhysPalette();
1734	}
1735	else
1736	{
1737	if( diveBufNr != -1)
1738	{
1739	if(fLocked)
1740	DiveEndImageBufferAccess(hDive, diveBufNr);
1741	DiveFreeImageBuffer(hDive, diveBufNr);
1742	}
1743	else
1744	{
1745	// Memory Surfaces
1746	if (!Updated) // check for user handled buffer
1747	free(DDSurfaceDesc.lpSurface);
1748	}
1749
1750
1751	fLocked = FALSE;
1752	diveBufNr = -1;
1753	}
1754
1755	// Free the translation buffer
1756	if(pFrameBuffer != pDiveBuffer)
1757	free(pDiveBuffer);
1758
1759	// Clear the list of locked rectangles
1760	if (DPA_GetPtrCount(DPA_LockedRects)>0)
1761	{
1762	DPA_DestroyCallback( DPA_LockedRects,
1763	(DPAENUMPROC)DestroyRects,
1764	0);
1765	}
1766
1767	if(lpClipper)
1768	{
1769	lpClipper->Vtbl.Release((IDirectDrawClipper*)lpClipper);
1770	lpClipper = NULL;
1771	}
1772
1773	if(lpPalette)
1774	{
1775	lpPalette->Vtbl.Release((IDirectDrawPalette*)lpPalette);
1776	lpPalette = NULL;
1777	}
1778
1779	if(hbmImage)
1780	DeleteObject(hbmImage);
1781
1782	if(hdcImage)
1783	DeleteDC(hdcImage);
1784
1785	if (NULL!=BackBuffer)
1786	BackBuffer->Vtbl.Release(AttachedSurface);
1787
1788	if (DPA_GetPtrCount(DPA_SurfaceMipMaps)>0)
1789	{
1790	DPA_DestroyCallback( DPA_SurfaceMipMaps,
1791	(DPAENUMPROC)ReleaseSurfaces,
1792	0);
1793	}
1794
1795	if (DPA_GetPtrCount(DPA_SurfaceAttached)>0)
1796	{
1797	DPA_DestroyCallback( DPA_SurfaceAttached,
1798	(DPAENUMPROC)ReleaseSurfaces,
1799	0);
1800	}
1801
1802	lpDraw->Vtbl.Release(lpDraw);
1803
1804	}
1805	//******************************************************************************
1806	//******************************************************************************
1807	inline void OS2IDirectDrawSurface::SetFrontBuffer( OS2IDirectDrawSurface* NewFBuffer)
1808	{
1809	FrontBuffer = NewFBuffer;
1810	if (NULL==NewFBuffer)
1811	{
1812
1813	WriteLog("Remove Frontbuffer\n");
1814
1815	// The real Frontbuffer was removed check if I'm now the one
1816	if(NULL!=BackBuffer)
1817	{
1818	WriteLog("We have the a backbuffer so we're the Frontbuffer\n");
1819	NextFlip = BackBuffer;
1820	DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_BACKBUFFER;
1821	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER;
1822	BackBuffer->SetFrontBuffer(this);
1823	}
1824	else
1825	{
1826	// Flipchain is destroyed
1827	WriteLog("No longer part of a flipchain\n");
1828	DDSurfaceDesc.ddsCaps.dwCaps &= ~(DDSCAPS_BACKBUFFER \| DDSCAPS_FLIP);
1829	}
1830	}
1831	else
1832	{
1833	WriteLog("Set new Frontbuffer to 0x%08X\n",NewFBuffer);
1834	if(NULL==NewFBuffer->GetFrontBuffer())
1835	{
1836	WriteLog("We're the 1st backbuffer\n");
1837	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_BACKBUFFER \| DDSCAPS_FLIP;
1838	FrontBuffer->NextFlip = this;
1839	}
1840	else
1841	{
1842	WriteLog("We are oe of many buffers\n");
1843	DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_BACKBUFFER ;
1844	DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP;
1845	}
1846
1847	if(NULL!=BackBuffer)
1848	BackBuffer->SetFrontBuffer(this);
1849
1850	DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FRONTBUFFER;
1851	}
1852	}
1853	//******************************************************************************
1854	//******************************************************************************
1855	HRESULT __stdcall SurfQueryInterface(THIS This, REFIID riid, LPVOID FAR * ppvObj)
1856	{
1857	// ToDo: Add Interface handling for D3D Textures
1858
1859	#ifdef DEBUG
1860	WriteLog("OS2IDirectDrawSurface::SurfQueryInterface\n");
1861	#endif
1862
1863	*ppvObj = NULL;
1864
1865	if(!IsEqualGUID(riid, IID_IDirectDrawSurface) &&
1866	!IsEqualGUID(riid, IID_IDirectDrawSurface2))
1867	//&& !IsEqualGUID(riid, IID_IUnknown))
1868	return E_NOINTERFACE;
1869
1870	*ppvObj = This;
1871
1872	SurfAddRef(This);
1873
1874	return(DD_OK);
1875	}
1876	//******************************************************************************
1877	//******************************************************************************
1878	ULONG __stdcall SurfAddRef(THIS This)
1879	{
1880	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
1881
1882	#ifdef DEBUG
1883	WriteLog("OS2IDirectDrawSurface::SurfAddRef %d\n", me->Referenced+1);
1884	#endif
1885
1886	return ++me->Referenced;
1887	}
1888	//******************************************************************************
1889	//******************************************************************************
1890	ULONG __stdcall SurfRelease(THIS This)
1891	{
1892	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
1893
1894	#ifdef DEBUG
1895	WriteLog("OS2IDirectDrawSurface::SurfRelease %d\n", me->Referenced-1);
1896	WriteLog("OS2IDirectDrawSurface::Surface %X\n", me);
1897	#endif
1898	if(me->Referenced)
1899	{
1900	me->Referenced--;
1901	if(me->Referenced == 0)
1902	{
1903	delete( me);
1904	#ifndef __WATCOMC__
1905	//_interrupt(3);
1906	#endif
1907	return(0);
1908	}
1909	else
1910	return me->Referenced;
1911	}
1912	else
1913	return(0);
1914	}
1915	//******************************************************************************
1916	//******************************************************************************
1917	HRESULT __stdcall SurfAddAttachedSurface(THIS This, LPDIRECTDRAWSURFACE2 lpDDSurface)
1918	{
1919
1920	#ifdef DEBUG
1921	WriteLog("SurfAddAttachedSurface\n");
1922	#endif
1923	return SurfAddAttachedSurface4(This, (LPDIRECTDRAWSURFACE4)lpDDSurface);
1924	}
1925	//******************************************************************************
1926	//******************************************************************************
1927	HRESULT __stdcall SurfAddAttachedSurface4(THIS This, LPDIRECTDRAWSURFACE4 lpDDSurface)
1928	{
1929	OS2IDirectDrawSurface *AttachedSurface;
1930	OS2IDirectDrawSurface *BBCursor;
1931	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
1932	int rc;
1933
1934	#ifdef DEBUG
1935	WriteLog("SurfAddAttachedSurface4\n");
1936	#endif
1937
1938	if (NULL==lpDDSurface)
1939	return DDERR_INVALIDPARAMS;
1940
1941	AttachedSurface = (OS2IDirectDrawSurface*) lpDDSurface;
1942
1943	if(AttachedSurface->IsImplicitSurface())
1944	{
1945	#ifdef DEBUG
1946	WriteLog("Internal : Can't attach an implicit created surface to an other surface\n");
1947	#endif
1948	return(DDERR_CANNOTATTACHSURFACE);
1949	}
1950
1951	if(This == AttachedSurface)
1952	{
1953	#ifdef DEBUG
1954	WriteLog("Can't attach an surface to itself\n");
1955	#endif
1956	return(DDERR_CANNOTATTACHSURFACE);
1957	}
1958
1959	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_TEXTURE)
1960	{
1961	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
1962	{
1963	if(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
1964	{
1965	rc = DPA_InsertPtr( me->DPA_SurfaceMipMaps,
1966	DPA_GetPtrCount(me->DPA_SurfaceMipMaps),
1967	AttachedSurface);
1968
1969	if( rc>=0)
1970	{
1971	me->DDSurfaceDesc.dwFlags \|= DDSD_MIPMAPCOUNT;
1972	me->DDSurfaceDesc.dwMipMapCount++;
1973
1974	AttachedSurface->Vtbl.AddRef(AttachedSurface);
1975	}
1976	else
1977	{
1978	#ifdef DEBUG
1979	WriteLog("Internal : Error attaching to MipMap\n");
1980	#endif
1981	return(DDERR_CANNOTATTACHSURFACE);
1982	}
1983	}
1984	else
1985	{
1986	#ifdef DEBUG
1987	WriteLog("Target Surface isn't a MipMap\n");
1988	#endif
1989	return(DDERR_CANNOTATTACHSURFACE);
1990	}
1991	}
1992	else
1993	{
1994	rc = DPA_InsertPtr( me->DPA_SurfaceAttached,
1995	DPA_GetPtrCount(me->DPA_SurfaceAttached),
1996	AttachedSurface);
1997
1998	if(rc>=0)
1999	{
2000	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2001	}
2002	else
2003	{
2004	#ifdef DEBUG
2005	WriteLog("Internal : Error attaching to general Set\n");
2006	#endif
2007	return(DDERR_CANNOTATTACHSURFACE);
2008	}
2009	}
2010	} // endif DDSCAPS_TEXTURE
2011	else
2012	{
2013	if( (AttachedSurface->DDSurfaceDesc.dwWidth != me->DDSurfaceDesc.dwWidth)
2014	\|\| (AttachedSurface->DDSurfaceDesc.dwHeight != me->DDSurfaceDesc.dwHeight)
2015	// \|\| (AttachedSurface->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount !=
2016	// me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
2017	)
2018	{
2019	#ifdef DEBUG
2020	WriteLog("Surfaces don't have same dimensions\n");
2021	#endif
2022	return(DDERR_CANNOTATTACHSURFACE);
2023	}
2024	else
2025	{
2026	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_BACKBUFFER)
2027	{
2028	if( (AttachedSurface->GetFrontBuffer()!=NULL) \|\| (AttachedSurface->BackBuffer!= NULL))
2029	{
2030	#ifdef DEBUG
2031	WriteLog("Surfaces already has a front/backbuffer\n");
2032	#endif
2033	return(DDERR_SURFACEALREADYATTACHED);
2034	}
2035
2036	if(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER)
2037	{
2038	if(NULL!=me->BackBuffer)
2039	{
2040	BBCursor = me->BackBuffer;
2041	while(NULL!=BBCursor)
2042	{
2043	BBCursor->DDSurfaceDesc.dwFlags \|= DDSD_BACKBUFFERCOUNT;
2044	BBCursor->DDSurfaceDesc.dwBackBufferCount++;
2045	BBCursor->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP;
2046	BBCursor = BBCursor->BackBuffer;
2047	}
2048	BBCursor->BackBuffer = AttachedSurface;
2049	AttachedSurface->SetFrontBuffer(BBCursor);
2050	}
2051	else
2052	{
2053	me->BackBuffer = AttachedSurface;
2054	AttachedSurface->SetFrontBuffer(me);
2055	}
2056	me->DDSurfaceDesc.dwFlags \|= DDSD_BACKBUFFERCOUNT;
2057	me->DDSurfaceDesc.dwBackBufferCount++;
2058	me->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FLIP;
2059
2060	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2061	return (DD_OK);
2062	}
2063	else
2064	{
2065	#ifdef DEBUG
2066	WriteLog("Can't attach backbuffer to anything but a frontbuffer\n");
2067	#endif
2068	return(DDERR_CANNOTATTACHSURFACE);
2069	}
2070	}
2071	else
2072	{
2073	if(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
2074	{
2075	if(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP)
2076	{
2077	if( DPA_InsertPtr( me->DPA_SurfaceMipMaps,
2078	DPA_GetPtrCount(me->DPA_SurfaceMipMaps),
2079	AttachedSurface) >=0)
2080	{
2081	me->DDSurfaceDesc.dwFlags \|= DDSD_MIPMAPCOUNT;
2082	me->DDSurfaceDesc.dwMipMapCount++;
2083	me->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_FRONTBUFFER;
2084
2085	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2086	}
2087	else
2088	{
2089	#ifdef DEBUG
2090	WriteLog("Internal : Error attaching to MipMap\n");
2091	#endif
2092	return(DDERR_CANNOTATTACHSURFACE);
2093	}
2094	}
2095	else
2096	{
2097	#ifdef DEBUG
2098	WriteLog("Tagget Surface isn't a MipMap\n");
2099	#endif
2100	return(DDERR_CANNOTATTACHSURFACE);
2101	}
2102	}
2103	else
2104	{
2105	if( DPA_InsertPtr( me->DPA_SurfaceAttached,
2106	DPA_GetPtrCount(me->DPA_SurfaceAttached),
2107	AttachedSurface) >=0)
2108	{
2109	AttachedSurface->Vtbl.AddRef(AttachedSurface);
2110	}
2111	else
2112	{
2113	#ifdef DEBUG
2114	WriteLog("Internal : Error attaching to general Set\n");
2115	#endif
2116	return(DDERR_CANNOTATTACHSURFACE);
2117	}
2118	}
2119	}// End if not DDSCAPS_BACKBUFFER
2120	}
2121	}
2122	WriteLog("Surface attached\n");
2123	return(DD_OK);
2124	}
2125	//******************************************************************************
2126	//******************************************************************************
2127	HRESULT __stdcall SurfAddOverlayDirtyRect(THIS, LPRECT)
2128	{
2129	#ifdef DEBUG
2130	WriteLog("SurfAddOverlayDirtyRect Not implemented by M$ in V 6.0! \n");
2131	#endif
2132
2133	return(DD_OK);
2134	}
2135	//******************************************************************************
2136	//******************************************************************************
2137	HRESULT __stdcall SurfBlt(THIS This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE2 lpDDSrcSurface,
2138	LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
2139	{
2140	return SurfBlt4( This,
2141	lpDestRect,
2142	(LPDIRECTDRAWSURFACE4)lpDDSrcSurface,
2143	lpSrcRect,
2144	dwFlags,
2145	lpDDBltFx);
2146	}
2147	//******************************************************************************
2148	//******************************************************************************
2149	HRESULT __stdcall SurfBlt4(THIS This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE4 lpDDSrcSurface,
2150	LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
2151	{
2152	// We have determine between 3 different blit senarios.
2153	// 1. Blitting between Divebuffers (Front/Backbuffer and primary surface)
2154	// 2. Blitting between memory and Divebuffers (Front/Backbuffer and primary surface).
2155	// 3. Blitting between memory buffers.
2156	// 1 and 3 are easy. DiveBlitImage or memcpy will do the job for non transparent blits
2157	// 2 is now also easy as we do colorconverion via Dive after each unlocking of a surface
2158	// The advantage is that we don't have to call DiveSetupBlitter each time. The Blitter will be
2159	// setup only when the screen resolution is changed by ddraw. I guess we should see a big performance
2160	// increase by doing it this way, unless the software blits directly from memory to the primary surface)
2161	// But even then this could be faster as the SetupBlitter call is timeconsumeing and DIVE does emulate
2162	// the blit in SW anyway as there is no interface in the driver to blit with HW support from the sysmem.
2163
2164	OS2IDirectDrawSurface dest = (OS2IDirectDrawSurface )This;
2165	OS2IDirectDrawSurface src = (OS2IDirectDrawSurface )lpDDSrcSurface;
2166
2167	HRESULT rc;
2168	ULONG ulColor, *pColor;
2169	RECTL cliprect;
2170
2171	int x, y, i, j, BlitWidth, BlitHeight;
2172	PALETTEENTRY SysPal[257];
2173	PLOGPALETTE pLogPal = (PLOGPALETTE) SysPal;
2174	char pBltPos, pSrcPos;
2175	DDSURFACEDESC2 DestSurfaceDesc, SrcSurfaceDesc;
2176	DDRectangle pIRectDest,pIRectSrc,*pIRectTest;
2177	RECTL DestRect, SrcRect;
2178	BOOL Found;
2179	DWORD dwSrcColor, dwDestColor;
2180
2181	#ifdef DEBUG
2182	if ( (NULL!=lpDestRect)&& (NULL!=lpSrcRect))
2183	WriteLog("SurfBlt4 to (%d,%d)(%d,%d) at %08X from (%d,%d)(%d,%d) at %08X\n", lpDestRect->left, lpDestRect->top,
2184	lpDestRect->right, lpDestRect->bottom, dest, lpSrcRect->left, lpSrcRect->top,
2185	lpSrcRect->right, lpSrcRect->bottom, src);
2186
2187	_dump_DDBLT(dwFlags);
2188	#endif
2189
2190
2191	if (NULL!=lpDestRect)
2192	{
2193	pIRectDest = new DDRectangle( lpDestRect->top,
2194	lpDestRect->left,
2195	lpDestRect->bottom,
2196	lpDestRect->right);
2197	memcpy(&DestRect,lpDestRect,sizeof(RECTL) );
2198	}
2199	else
2200	{
2201	pIRectDest = new DDRectangle( 0, 0, dest->height, dest->width);
2202	DestRect.top = 0;
2203	DestRect.left = 0;
2204	DestRect.bottom = dest->height;
2205	DestRect.right = dest->width;
2206	}
2207
2208	if(dest->fLocked)
2209	{
2210	if (NULL==lpDestRect)
2211	{
2212	// If anything is locked we can't blit to the complete surface as
2213	// a part is locked
2214	Found = TRUE;
2215	}
2216	else
2217	{
2218	// If the dest Rectangle intersects with any of the locked rectangles
2219	// we can't blit to it
2220
2221	Found = FALSE;
2222	i=0;
2223	while( (i<DPA_GetPtrCount(dest->DPA_LockedRects)) && !Found)
2224	{
2225	pIRectTest = (DDRectangle*) DPA_FastGetPtr(dest->DPA_LockedRects,i);
2226	Found = pIRectDest->intersects(*pIRectTest);
2227	i++;
2228	}
2229
2230	}
2231
2232	if (Found)
2233	{
2234	delete pIRectDest;
2235	#ifdef DEBUG
2236	WriteLog("Blt: Dest Surface partly locked\n");
2237	#endif
2238	return(DDERR_SURFACEBUSY);
2239	}
2240	}
2241
2242	DestSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
2243	SrcSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
2244
2245	// First check the simple first
2246
2247	dwFlags &= ~(DDBLT_WAIT\|DDBLT_ASYNC); // FIXME: can't handle right now
2248
2249	if(dwFlags & DDBLT_COLORFILL)
2250	{
2251	WriteLog("ColorFill\n");
2252	if((NULL==lpDDBltFx)\|\|(lpDDBltFx->dwSize!=sizeof(DDBLTFX)) )
2253	return DDERR_INVALIDPARAMS;
2254
2255	// ToDo : as we fill the DiveBuffer check if we need to convert the
2256	// specified color
2257
2258	dest->ColorFill(lpDestRect,lpDDBltFx->dwFillColor);
2259
2260	return(DD_OK); // according to the M$ DDK only one flag shall/can be set.
2261	} // end of colorfill
2262
2263	if (dwFlags & DDBLT_DEPTHFILL)
2264	{
2265	WriteLog("DepthFill\n");
2266	#ifdef USE_OPENGL
2267	GLboolean ztest;
2268	// Todo support more than one Z-Buffer
2269	// Clears the screen
2270	WriteLog("Filling depth buffer with %ld\n", lpbltfx->b.dwFillDepth);
2271	glClearDepth(lpDDBltFx->b.dwFillDepth / 65535.0); // We suppose a 16 bit Z Buffer
2272	glGetBooleanv(GL_DEPTH_TEST, &ztest);
2273	glDepthMask(GL_TRUE); // Enables Z writing to be sure to delete also the Z buffer
2274	glClear(GL_DEPTH_BUFFER_BIT);
2275	glDepthMask(ztest);
2276
2277	return (DD_OK);
2278	#endif // USE_OPENGL
2279	}
2280
2281	if(dwFlags & DDBLT_ROP)
2282	{
2283	// HEL and we only support the following ROPS
2284	// SRC_COPY
2285	// BLACKNESS
2286	// WHITENESS
2287	//
2288	if(lpDDBltFx->dwROP & SRCCOPY)
2289	dwFlags = 0; // srccopy is a normal fast blt
2290	else
2291	{
2292	if(lpDDBltFx->dwROP & BLACKNESS)
2293	{
2294	if(1==dest->dwBytesPPDive)
2295	{
2296	// ToDo: Realy implement code to get the correct index for black in 8 Bitmode
2297	dest->ColorFill(lpDestRect, 0 );
2298	}
2299	else
2300	dest->ColorFill(lpDestRect, 0);
2301	return DD_OK;
2302	}
2303
2304	if(lpDDBltFx->dwROP & WHITENESS)
2305	{
2306	if(1==dest->dwBytesPPDive)
2307	{
2308	// ToDo: Realy implement code to get the correct index for black in 8 Bitmode
2309	dest->ColorFill(lpDestRect, 0xFFFFFFFF );
2310	}
2311	else
2312	dest->ColorFill(lpDestRect, 0xFFFFFFFF);
2313	return DD_OK;
2314	}
2315
2316	return DDERR_NORASTEROPHW;
2317	}
2318	}
2319
2320	if(NULL==src)
2321	{
2322	#ifdef DEBUG
2323	WriteLog("Unsupported sourceless FX operation. Flags = 0x%04X\n",dwFlags);
2324	#endif
2325	return DD_OK;
2326	}
2327
2328	if (NULL!=lpSrcRect)
2329	{
2330	pIRectSrc = new DDRectangle( lpSrcRect->top,
2331	lpSrcRect->left,
2332	lpSrcRect->bottom,
2333	lpSrcRect->right);
2334	memcpy(&SrcRect,lpSrcRect,sizeof(RECTL) );
2335	}
2336	else
2337	{
2338	pIRectSrc = new DDRectangle( 0, 0, src->height, src->width);
2339	SrcRect.top = 0;
2340	SrcRect.left = 0;
2341	SrcRect.bottom = src->height;
2342	SrcRect.right = src->width;
2343	}
2344
2345	if(src->fLocked)
2346	{
2347	if (NULL==lpSrcRect)
2348	{
2349	// If anything is locked we can't blit from the complete surface as
2350	// a part is locked
2351	Found = TRUE;
2352	}
2353	else
2354	{
2355	// If the src Rectangle intersects with any of the locked rectangles of the
2356	// source surface we can't blit from it
2357
2358	Found = FALSE;
2359	i=0;
2360
2361	while((i<DPA_GetPtrCount(src->DPA_LockedRects) ) && !Found)
2362	{
2363	pIRectTest = (DDRectangle*) DPA_FastGetPtr(src->DPA_LockedRects,i);
2364	Found = pIRectDest->intersects(*pIRectTest);
2365	i++;
2366	}
2367
2368	}
2369
2370	if (Found)
2371	{
2372	delete pIRectSrc;
2373	#ifdef DEBUG
2374	WriteLog("Blt: Src Surface partly locked\n");
2375	#endif
2376	return(DDERR_SURFACEBUSY);
2377	}
2378	}
2379
2380	if( ( (NULL==lpDestRect) && (NULL!=lpSrcRect) ) \|\|
2381	( (NULL==lpSrcRect) && (NULL!=lpDestRect) ) )
2382	{
2383	#ifdef DEBUG
2384	WriteLog("Blitting with scaleing\n Not supported.\n");
2385	#endif
2386	return DDERR_NOSTRETCHHW;
2387	}
2388
2389	if( ( pIRectDest->width() != pIRectSrc->width() ) \|\|
2390	( pIRectDest->height() != pIRectSrc->height() )
2391	)
2392	{
2393	// Stretching not supported
2394	WriteLog("No stretched blits\n");
2395
2396	return DDERR_NOSTRETCHHW;
2397	}
2398
2399	if (dest->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
2400	{
2401	WriteLog("Dest is Primary Surface\n");
2402	if(src->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
2403	{
2404	// special Type 1 : Bliting between parts of the screen
2405
2406	WriteLog("Src is Primary Surface\n");
2407
2408	if( pIRectDest == pIRectSrc)
2409	return DD_OK; // rects are the same => no blit needed
2410
2411	// Todo: might add transparent blits but I don't think they are used here, so later!
2412
2413	MoveRects( dest->pDiveBuffer,
2414	(LPRECT)&DestRect,
2415	(LPRECT)&SrcRect,
2416	dest->dwBytesPPDive,
2417	dest->dwPitchDB);
2418
2419	// End of Special Type 1 blitting on the screen
2420	}
2421	else
2422	{
2423	if( src->diveBufNr>0)
2424	{
2425
2426	if( (NULL==lpSrcRect)&&( NULL== lpDestRect))
2427	{
2428	// No Rectangles so use Dive to blit everything
2429	// ToDo : Implement transparent blitting but that seams more
2430	// inportant for partial blits.
2431	// If we do this later we could skip this check and don't
2432	// use Dive .This keeps our simpler and smaler
2433	//
2434	DiveBlitImage(dest->hDive, src->diveBufNr, dest->diveBufNr);
2435
2436	}
2437	}
2438
2439	// Everything else we do yourselfs
2440	// Type 2 Sysmem to Primarysurface ca also be handled by this
2441
2442	pBltPos = (char) dest->pDiveBuffer + (DestRect.top dest->dwPitchDB) +
2443	(DestRect.left * dest->dwBytesPPDive);
2444
2445	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
2446	(SrcRect.left * src->dwBytesPPDive);
2447
2448	BlitHeight = pIRectDest->height();
2449	BlitWidth = pIRectDest->width();
2450
2451	if(!dwFlags)
2452	{
2453	BlitWidth *= dest->dwBytesPPDive;
2454
2455	#ifdef USE_ASM
2456	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
2457	dest->dwPitchDB,
2458	src->dwPitchDB);
2459	#else
2460	// Solid Blit
2461	while(1)
2462	{
2463	memcpy(pBltPos,pSrcPos,BlitWidth);
2464	pBltPos += dest->dwPitchDB;
2465	pSrcPos += src->dwPitchDB;
2466	if(! (--BlitHeight))
2467	break;
2468	}
2469	#endif
2470	}
2471	else
2472	{
2473	// Transparent Blit
2474	if( (dwFlags &DDBLT_KEYSRC) \|\| (dwFlags & DDBLT_KEYSRCOVERRIDE) )
2475	{
2476	WriteLog("Transparent src blit not done yet for primary!!");
2477	}
2478	else
2479	{
2480	WriteLog("Unhandled Flags Destination colorkey ? 0x%04X",dwFlags);
2481	}
2482	}
2483	} // end of handling blitting to primary
2484	} // end of target primary surface
2485	else
2486	{
2487	if(0==src->diveBufNr)
2488	{
2489	// copy from the screen to a buffer
2490
2491	if( (NULL==lpDestRect) &&
2492	(NULL==lpSrcRect) &&
2493	(dest->diveBufNr>0) )
2494	{
2495	// Blitting everything from frontbuffer to a Divebuffer
2496	// ToDo: Might should add checking for flags here
2497	DiveBlitImage(dest->hDive, src->diveBufNr, dest->diveBufNr);
2498	}
2499	else
2500	{
2501	// DIVE => DIVE or Mem => Dive
2502	// or a rectangle from streen to a buffer can be handelt in the same way
2503	pBltPos = (char) dest->pDiveBuffer + (DestRect.top dest->dwPitchDB) +
2504	(DestRect.left * dest->dwBytesPPDive);
2505
2506	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
2507	(SrcRect.left * src->dwBytesPPDive);
2508
2509	BlitHeight = pIRectDest->height();
2510	BlitWidth = pIRectDest->width();
2511
2512	// Check for transparent blit
2513	if(!dwFlags)
2514	{
2515	BlitWidth *= dest->dwBytesPPDive;
2516
2517	#ifdef USE_ASM
2518	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
2519	dest->dwPitchDB,
2520	src->dwPitchDB);
2521	#else
2522	// Solid Blit
2523	while(1)
2524	{
2525	memcpy(pBltPos,pSrcPos,BlitWidth);
2526	pBltPos += dest->dwPitchDB;
2527	pSrcPos += src->dwPitchDB;
2528	if(! (--BlitHeight))
2529	break;
2530	}
2531	#endif
2532	}
2533	else
2534	{
2535	WriteLog("Transblt not done yet");
2536	if(dwFlags & DDBLT_KEYSRC)
2537	{
2538	if(!(src->DDSurfaceDesc.dwFlags & DDCKEY_SRCBLT))
2539	{
2540	}
2541	}
2542	else
2543	{
2544	if(dwFlags & DDBLT_KEYSRCOVERRIDE)
2545	{
2546	}
2547	else
2548	{
2549	}
2550	}
2551	}
2552	}
2553	} // end handling source screen
2554	else
2555	{
2556	// DIVE => DIVE or Mem => Dive can be handelt in the same way
2557
2558	if( (src->pDiveBuffer == dest->pDiveBuffer) &&
2559	(pIRectDest->intersects(*pIRectSrc) ) )
2560	{
2561	// Overlapping rects on the same surface ?
2562
2563	// ToDo : Maybe implement all the fancy blit flags here too ? ;)
2564
2565	MoveRects( dest->pDiveBuffer,
2566	(LPRECT)&DestRect,
2567	(LPRECT)&SrcRect,
2568	dest->dwBytesPPDive,
2569	dest->dwPitchDB);
2570
2571	return DD_OK;
2572	}
2573
2574	pBltPos = (char) dest->pDiveBuffer + (DestRect.top dest->dwPitchDB) +
2575	(DestRect.left * dest->dwBytesPPDive);
2576
2577	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
2578	(SrcRect.left * src->dwBytesPPDive);
2579
2580	BlitHeight = pIRectDest->height();
2581	BlitWidth = pIRectDest->width();
2582
2583	// Check for transparent blit
2584	if(!dwFlags)
2585	{
2586	BlitWidth *= dest->dwBytesPPDive;
2587
2588	#ifdef USE_ASM
2589	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
2590	dest->dwPitchDB,
2591	src->dwPitchDB);
2592	#else
2593	// Solid Blit
2594	while(1)
2595	{
2596	memcpy(pBltPos,pSrcPos,BlitWidth);
2597	pBltPos += dest->dwPitchDB;
2598	pSrcPos += src->dwPitchDB;
2599	if(! (--BlitHeight))
2600	break;
2601	}
2602	#endif
2603	}
2604	else
2605	{
2606	DWORD dwPitch = dest->dwPitchDB;
2607
2608	if(dwFlags &DDBLT_ROTATIONANGLE)
2609	{
2610	return DDERR_NOROTATIONHW;
2611	}
2612
2613	if(dwFlags & DDBLT_DDFX)
2614	{
2615	DWORD dwFx;
2616	DWORD dwSrcColor, dwDestColor;
2617
2618	dwFlags &= ~DDBLT_DDFX; // remove the handled flag
2619
2620	if( NULL==lpDDBltFx)
2621	return DDERR_INVALIDPARAMS;
2622
2623	dwFx = lpDDBltFx->dwDDFX;
2624
2625	// Remove unsupported Flags
2626	dwFx &= ~(DDBLTFX_ARITHSTRETCHY \| // Not streach support
2627	DDBLTFX_ZBUFFERBASEDEST \| // All ZBuffer flags are not
2628	DDBLTFX_ZBUFFERRANGE \| // implementet in M$ Dx 6
2629	DDBLTFX_NOTEARING ); // No sync with VRetrace yet
2630
2631	if(dwFx & DDBLTFX_ROTATE180)
2632	{
2633	// 180 degree turn is a mix of a flip up/down and one left/right
2634	dwFx \|= (DDBLTFX_MIRRORUPDOWN \| DDBLTFX_MIRRORLEFTRIGHT);
2635	dwFx &= ~DDBLTFX_ROTATE180; // remove handled flag
2636	}
2637	if(dwFx & DDBLTFX_MIRRORUPDOWN)
2638	{
2639	// switching the the direction can be integrated with other flags
2640	dwPitch = -dwPitch;
2641	pBltPos = (char*) dest->pDiveBuffer +
2642	((DestRect.top +BlitHeight)* dest->dwPitchDB) +
2643	(DestRect.left * dest->dwBytesPPDive);
2644
2645	dwFx &= ~DDBLTFX_MIRRORUPDOWN; // remove handled flag
2646	}
2647
2648	if(dwFx & DDBLTFX_MIRRORLEFTRIGHT)
2649	{
2650	// 180 degree turn or a LR Mirroring
2651	// don't support any other dwFlags like transparent at the moment
2652
2653	switch(dest->dwBytesPPDive)
2654	{
2655	case 1:
2656	while(BlitHeight--)
2657	{
2658	x = BlitWidth;
2659	while(x)
2660	{
2661	pBltPos[BlitWidth-x] = pSrcPos[x];
2662	x--;
2663	}
2664	pBltPos += dwPitch;
2665	pSrcPos += src->dwPitchDB;
2666	}
2667	break;
2668	case 2:
2669	while(BlitHeight--)
2670	{
2671	x = BlitWidth;
2672	while(x)
2673	{
2674	((USHORT)pBltPos)[BlitWidth-x] = ((USHORT)pSrcPos)[x];
2675	x--;
2676	}
2677	pBltPos += dwPitch;
2678	pSrcPos += src->dwPitchDB;
2679	}
2680	break;
2681	case 3:
2682	BlitWidth *= 3;
2683	while(BlitHeight--)
2684	{
2685	x = BlitWidth;
2686	while(x)
2687	{
2688	pBltPos[BlitWidth-x] = pSrcPos[x-2];
2689	x--;
2690	pBltPos[BlitWidth-x] = pSrcPos[x];
2691	x--;
2692	pBltPos[BlitWidth-x] = pSrcPos[x+2];
2693	x--;
2694	}
2695	pBltPos += dwPitch;
2696	pSrcPos += src->dwPitchDB;
2697	}
2698	break;
2699	case 4:
2700	while(BlitHeight--)
2701	{
2702	x = BlitWidth;
2703	while(x)
2704	{
2705	((DWORD)pBltPos)[BlitWidth-x] = ((DWORD)pSrcPos)[x];
2706	x--;
2707	}
2708	pBltPos += dwPitch;
2709	pSrcPos += src->dwPitchDB;
2710	}
2711	break;
2712	} // end switch
2713	dest->lpVtbl->ChangeUniquenessValue(dest);
2714	return DD_OK;
2715	}
2716
2717	#ifdef DEBUG
2718	if(dwFx)
2719	_dump_DDBLTFX(dwFx);
2720	#endif
2721	// We ignore unhandled flags at the moment
2722	}
2723
2724	if( (dwFlags & DDBLT_KEYSRC) \|
2725	(dwFlags & DDBLT_KEYSRCOVERRIDE) )
2726	{
2727	if(dwFlags & DDBLT_KEYSRCOVERRIDE)
2728	{
2729
2730	if( NULL==lpDDBltFx)
2731	return DDERR_INVALIDPARAMS;
2732
2733	dwFlags &= ~DDBLT_KEYSRCOVERRIDE;
2734
2735	// We work like the HEL and test only the low value
2736	dwSrcColor = lpDDBltFx->ddckSrcColorkey.dwColorSpaceLowValue;
2737
2738	}
2739	else
2740	{
2741
2742	dwFlags &= ~DDBLT_KEYSRC;
2743
2744	// Not sure if that is OK maybe check if one is set ?
2745	// if(!(src->DDSurfaceDesc.dwFlags & DDCKEY_SRCBLT)) return DDERR_WRONGPARAM;?
2746
2747	dwSrcColor = src->DDSurfaceDesc.ddckCKSrcBlt.dwColorSpaceLowValue;
2748	}
2749
2750	// ToDo : We currently indicate that we don't support
2751	// DDBLT_KEYDEST but HEL does change that!
2752	// also add this key in the get/setColorKey functions
2753
2754	if( (dwFlags & DDBLT_KEYDEST) \|
2755	(dwFlags & DDBLT_KEYDESTOVERRIDE) )
2756	{
2757	// Source and dest color keying SLOW!!!
2758	if(dwFlags & DDBLT_KEYDESTOVERRIDE)
2759	{
2760	if( NULL==lpDDBltFx)
2761	return DDERR_INVALIDPARAMS;
2762
2763	dwFlags &= ~DDBLT_KEYDESTOVERRIDE;
2764
2765	// We work like the HEL and test only the low value
2766	dwDestColor = lpDDBltFx->ddckDestColorkey.dwColorSpaceLowValue;
2767
2768	}
2769	else
2770	{
2771
2772	dwFlags &= ~DDBLT_KEYDEST;
2773
2774	// Not sure if that is OK maybe check if one is set ?
2775	// if(!(Dest->DDSurfaceDesc.dwFlags & DDCKEY_DESTBLT)) return DDERR_WRONGPARAM;?
2776
2777	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
2778	}
2779
2780	// This will be be slow maybe move to ASM ?
2781	// using MMX should be much faster
2782	switch(dest->dwBytesPPDive)
2783	{
2784	case 1:
2785	while(BlitHeight--)
2786	{
2787	x = 0;
2788	while(x<BlitWidth)
2789	{
2790	if(pSrcPos[x] != (char) dwSrcColor)
2791	{
2792	if(pBltPos[x] != (char) dwDestColor)
2793	pBltPos[x] = pSrcPos[x];
2794	}
2795	x++;
2796	}
2797	pBltPos += dwPitch;
2798	pSrcPos += src->dwPitchDB;
2799	}
2800	break;
2801	case 2:
2802	while(BlitHeight--)
2803	{
2804	x = 0;
2805	while(x<BlitWidth)
2806	{
2807	if(((USHORT*)pSrcPos)[x] != (USHORT) dwSrcColor)
2808	{
2809	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
2810	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
2811	}
2812	x++;
2813	}
2814	pBltPos += dwPitch;
2815	pSrcPos += src->dwPitchDB;
2816	}
2817	break;
2818	case 3:
2819	{
2820	char pSC, pDC;
2821	pSC = (char*)&dwSrcColor;
2822	pDC = (char*)&dwDestColor;
2823	BlitWidth *=3;
2824
2825	while(BlitHeight--)
2826	{
2827	x = 0;
2828
2829	while(x<BlitWidth)
2830	{
2831	if( (pSrcPos[x] != pSC[1]) &&
2832	(pSrcPos[x+1] != pSC[2]) &&
2833	(pSrcPos[x+2] != pSC[3])
2834	)
2835	{
2836	if( (pBltPos[x] != pDC[1]) &&
2837	(pBltPos[x+1] != pDC[2]) &&
2838	(pBltPos[x+2] != pDC[3])
2839	)
2840	{
2841	pBltPos[x] = pSrcPos[x];
2842	pBltPos[x+1] = pSrcPos[x+2];
2843	pBltPos[x+1] = pSrcPos[x+2];
2844	}
2845	}
2846	x +=3;
2847	}
2848	pBltPos += dwPitch;
2849	pSrcPos += src->dwPitchDB;
2850	}
2851	break;
2852	}
2853	case 4:
2854	while(BlitHeight--)
2855	{
2856	x = 0;
2857	while(x<BlitWidth)
2858	{
2859	if(((DWORD*)pSrcPos)[x] != dwSrcColor)
2860	{
2861	if(((DWORD*)pBltPos)[x] != dwDestColor)
2862	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
2863	}
2864	x++;
2865	}
2866	pBltPos += dwPitch;
2867	pSrcPos += src->dwPitchDB;
2868	}
2869	break;
2870	} // End switch
2871	}
2872	else
2873	{
2874	// Only Source colorkey
2875	}
2876	dest->lpVtbl->ChangeUniquenessValue(dest);
2877	return DD_OK;
2878	}
2879
2880	if( (dwFlags & DDBLT_KEYDEST) \|
2881	(dwFlags & DDBLT_KEYDESTOVERRIDE) )
2882	{
2883	// Dest color keying SLOW!!!
2884	if(dwFlags & DDBLT_KEYSRCOVERRIDE)
2885	{
2886	if( NULL==lpDDBltFx)
2887	return DDERR_INVALIDPARAMS;
2888
2889	dwFlags &= ~DDBLT_KEYSRCOVERRIDE;
2890
2891	// We work like the HEL and test only the low value
2892	dwDestColor = lpDDBltFx->ddckDestColorkey.dwColorSpaceLowValue;
2893
2894	}
2895	else
2896	{
2897
2898	dwFlags &= ~DDBLT_KEYDEST;
2899
2900	// Not sure if that is OK maybe check if one is set ?
2901	// if(!(src->DDSurfaceDesc.dwFlags & DDCKEY_DESTBLT)) return DDERR_WRONGPARAM;?
2902
2903	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
2904	}
2905
2906	// This will be be slow maybe move to ASM ?
2907	// using MMX should be much faster
2908	switch(dest->dwBytesPPDive)
2909	{
2910	case 1:
2911	while(BlitHeight--)
2912	{
2913	x = 0;
2914	while(x<BlitWidth)
2915	{
2916	if(pBltPos[x] != (char) dwDestColor)
2917	pBltPos[x] = pSrcPos[x];
2918	x++;
2919	}
2920	pBltPos += dwPitch;
2921	pSrcPos += src->dwPitchDB;
2922	}
2923	break;
2924	case 2:
2925	while(BlitHeight--)
2926	{
2927	x = 0;
2928	while(x<BlitWidth)
2929	{
2930	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
2931	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
2932	x++;
2933	}
2934	pBltPos += dwPitch;
2935	pSrcPos += src->dwPitchDB;
2936	}
2937	break;
2938	case 3:
2939	{
2940	char pSC, pDC;
2941	pSC = (char*)&dwSrcColor;
2942	pDC = (char*)&dwDestColor;
2943	BlitWidth *=3;
2944
2945	while(BlitHeight--)
2946	{
2947	x = 0;
2948
2949	while(x<BlitWidth)
2950	{
2951	if( (pBltPos[x] != pDC[1]) &&
2952	(pBltPos[x+1] != pDC[2]) &&
2953	(pBltPos[x+2] != pDC[3])
2954	)
2955	{
2956	pBltPos[x] = pSrcPos[x];
2957	pBltPos[x+1] = pSrcPos[x+2];
2958	pBltPos[x+1] = pSrcPos[x+2];
2959	}
2960	x +=3;
2961	}
2962	pBltPos += dwPitch;
2963	pSrcPos += src->dwPitchDB;
2964	}
2965	break;
2966	}
2967	case 4:
2968	while(BlitHeight--)
2969	{
2970	x = 0;
2971	while(x<BlitWidth)
2972	{
2973	if( ((DWORD*)pBltPos)[x] != dwDestColor)
2974	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
2975	x++;
2976	}
2977	pBltPos += dwPitch;
2978	pSrcPos += src->dwPitchDB;
2979	}
2980	break;
2981	} // End switch
2982	} // End of Dest ColorKey
2983
2984
2985	}// end handling dwFlags
2986	} // End handling source not Framebuffer
2987
2988	}// end handling destination not framebuffer
2989
2990	dest->lpVtbl->ChangeUniquenessValue(dest);
2991	return(DD_OK);
2992	}
2993	//******************************************************************************
2994	//******************************************************************************
2995	HRESULT __stdcall SurfBltBatch(THIS, LPDDBLTBATCH, DWORD, DWORD )
2996	{
2997	#ifdef DEBUG
2998	WriteLog("SurfBltBatch Not implemented by M$\n");
2999	#endif
3000
3001	return(DD_OK);
3002	}
3003	//******************************************************************************
3004	//******************************************************************************
3005	HRESULT __stdcall SurfBltFast(THIS, DWORD,DWORD,LPDIRECTDRAWSURFACE2, LPRECT,DWORD)
3006	{
3007	#ifdef DEBUG
3008	WriteLog("SurfBltFast NIY\n");
3009	#endif
3010
3011	return(DD_OK);
3012	}
3013	//******************************************************************************
3014	//******************************************************************************
3015	HRESULT __stdcall SurfBltFast4( THIS This,
3016	DWORD dwX,
3017	DWORD dwY,
3018	LPDIRECTDRAWSURFACE4 lpDDSrcSurface,
3019	LPRECT lpSrcRect,
3020	DWORD dwTrans)
3021	{
3022	OS2IDirectDrawSurface dest = (OS2IDirectDrawSurface )This;
3023	OS2IDirectDrawSurface src = (OS2IDirectDrawSurface )lpDDSrcSurface;
3024	RECTL SrcRect;
3025	char pBltPos, pSrcPos;
3026	DWORD dwDestColor, dwSrcColor, BlitWidth, BlitHeight,x,y;
3027
3028	#ifdef DEBUG
3029	WriteLog("SurfBltFast4 %08X at(%d/%d) onto %08X with flags %08X\n",src, dwX,dwY, dest, dwTrans);
3030	#endif
3031
3032	if( (NULL==lpDDSrcSurface) \|\|
3033	(dwX<0) \|\| (dwY<0) \|\|
3034	(dwX>dest->width) \|\|
3035	(dwY>dest->height))
3036	{
3037	WriteLog("Invalid Parameters %08X, %d %d", lpDDSrcSurface ,dest->width , dest->height);
3038	return DDERR_INVALIDPARAMS;
3039	}
3040
3041	if (NULL!=lpSrcRect)
3042	{
3043	memcpy(&SrcRect,lpSrcRect,sizeof(RECTL) );
3044	}
3045	else
3046	{
3047	SrcRect.top = 0;
3048	SrcRect.left = 0;
3049	SrcRect.bottom = src->height;
3050	SrcRect.right = src->width;
3051	}
3052
3053	// Todo: Test for locked src/dest
3054
3055	pBltPos = (char) dest->pDiveBuffer + (dwY dest->dwPitchDB) +
3056	(dwX * dest->dwBytesPPDive);
3057
3058	pSrcPos = (char) src->pDiveBuffer + (SrcRect.top src->dwPitchDB) +
3059	(SrcRect.left * src->dwBytesPPDive);
3060
3061	BlitHeight = SrcRect.bottom - SrcRect.top;
3062	BlitWidth = (SrcRect.right - SrcRect.left) * src->dwBytesPPDive;
3063
3064	// Remove unsupported wait flag
3065	dwTrans &= ~DDBLTFAST_WAIT;
3066
3067	if(DDBLTFAST_NOCOLORKEY == dwTrans )
3068	{
3069	WriteLog("Solid Blit");
3070	#ifdef USE_ASM
3071	BltRec(pBltPos, pSrcPos, BlitWidth, BlitHeight,
3072	dest->dwPitchDB,
3073	src->dwPitchDB);
3074	#else
3075	// Solid Blit
3076	while(1)
3077	{
3078	memcpy(pBltPos,pSrcPos,BlitWidth);
3079	pBltPos += dest->dwPitchDB;
3080	pSrcPos += src->dwPitchDB;
3081	if(! (--BlitHeight))
3082	break;
3083	}
3084	#endif
3085
3086	}
3087	else
3088	{
3089	WriteLog("TransBlit\n");
3090
3091	if(dwTrans & DDBLTFAST_SRCCOLORKEY)
3092	{
3093	WriteLog("Trans SRC\n");
3094	// transparent source
3095	dwSrcColor = src->DDSurfaceDesc.ddckCKSrcBlt.dwColorSpaceLowValue;
3096	if(dwTrans & DDBLTFAST_DESTCOLORKEY)
3097	{
3098	WriteLog("And Dest Colorkey");
3099	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
3100	// Source and dest colorkeying
3101	switch(dest->dwBytesPPDive)
3102	{
3103	case 1:
3104	while(BlitHeight--)
3105	{
3106	x = 0;
3107	while(x<BlitWidth)
3108	{
3109	if(pSrcPos[x] != (char) dwSrcColor)
3110	{
3111	if(pBltPos[x] != (char) dwDestColor)
3112	pBltPos[x] = pSrcPos[x];
3113	}
3114	x++;
3115	}
3116	pBltPos += dest->dwPitchDB;
3117	pSrcPos += src->dwPitchDB;
3118	}
3119	break;
3120	case 2:
3121	while(BlitHeight--)
3122	{
3123	x = 0;
3124	while(x<BlitWidth)
3125	{
3126	if(((USHORT*)pSrcPos)[x] != (USHORT) dwSrcColor)
3127	{
3128	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
3129	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
3130	}
3131	x++;
3132	}
3133	pBltPos += dest->dwPitchDB;
3134	pSrcPos += src->dwPitchDB;
3135	}
3136	break;
3137	case 3:
3138	{
3139	char pSC, pDC;
3140	pSC = (char*)&dwSrcColor;
3141	pDC = (char*)&dwDestColor;
3142	BlitWidth *=3;
3143
3144	while(BlitHeight--)
3145	{
3146	x = 0;
3147
3148	while(x<BlitWidth)
3149	{
3150	if( (pSrcPos[x] != pSC[1]) &&
3151	(pSrcPos[x+1] != pSC[2]) &&
3152	(pSrcPos[x+2] != pSC[3])
3153	)
3154	{
3155	if( (pBltPos[x] != pDC[1]) &&
3156	(pBltPos[x+1] != pDC[2]) &&
3157	(pBltPos[x+2] != pDC[3])
3158	)
3159	{
3160	pBltPos[x] = pSrcPos[x];
3161	pBltPos[x+1] = pSrcPos[x+2];
3162	pBltPos[x+1] = pSrcPos[x+2];
3163	}
3164	}
3165	x +=3;
3166	}
3167	pBltPos += dest->dwPitchDB;
3168	pSrcPos += src->dwPitchDB;
3169	}
3170	break;
3171	}
3172	case 4:
3173	while(BlitHeight--)
3174	{
3175	x = 0;
3176	while(x<BlitWidth)
3177	{
3178	if(((DWORD*)pSrcPos)[x] != dwSrcColor)
3179	{
3180	if(((DWORD*)pBltPos)[x] != dwDestColor)
3181	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
3182	}
3183	x++;
3184	}
3185	pBltPos += dest->dwPitchDB;
3186	pSrcPos += src->dwPitchDB;
3187	}
3188	break;
3189	} // End switch
3190	}
3191	else
3192	{
3193	// This MMX detection should be moved into OS2Draw
3194	// and into the surface constructor a setup for blitting pointers
3195	WriteLog("Only Src ColorKey");
3196	switch(dest->dwBytesPPDive)
3197	{
3198	case 1:
3199	if(CPUHasMMX())
3200	while(BlitHeight--)
3201	{
3202	BlitColorKey8MMX((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3203	pBltPos += dest->dwPitchDB;
3204	pSrcPos += src->dwPitchDB;
3205	}
3206	else
3207	while(BlitHeight--)
3208	{
3209	BlitColorKey8((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3210	pBltPos += dest->dwPitchDB;
3211	pSrcPos += src->dwPitchDB;
3212	}
3213	break;
3214	case 2:
3215
3216	if(CPUHasMMX())
3217	while(BlitHeight--)
3218	{
3219	BlitColorKey16MMX((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3220	pBltPos += dest->dwPitchDB;
3221	pSrcPos += src->dwPitchDB;
3222	}
3223	else
3224	while(BlitHeight--)
3225	{
3226	BlitColorKey16((PBYTE)pBltPos,(PBYTE)pSrcPos,dwSrcColor,BlitWidth);
3227	pBltPos += dest->dwPitchDB;
3228	pSrcPos += src->dwPitchDB;
3229	}
3230	break;
3231	case 3:
3232	char *pSC;
3233	pSC = (char*)&dwSrcColor;
3234	BlitWidth *=3;
3235
3236	while(BlitHeight--)
3237	{
3238	x = 0;
3239
3240	while(x<BlitWidth)
3241	{
3242	if( (pSrcPos[x] != pSC[1]) &&
3243	(pSrcPos[x+1] != pSC[2]) &&
3244	(pSrcPos[x+2] != pSC[3])
3245	)
3246	{
3247	pBltPos[x] = pSrcPos[x];
3248	pBltPos[x+1] = pSrcPos[x+1];
3249	pBltPos[x+1] = pSrcPos[x+2];
3250	}
3251	x +=3;
3252	}
3253	pBltPos += dest->dwPitchDB;
3254	pSrcPos += src->dwPitchDB;
3255	}
3256	break;
3257	case 4:
3258	break;
3259	}
3260	}
3261	}
3262	else
3263	{
3264	if(dwTrans & DDBLTFAST_DESTCOLORKEY)
3265	{
3266	WriteLog("DestColorKey\n");
3267
3268	dwDestColor = dest->DDSurfaceDesc.ddckCKDestBlt.dwColorSpaceLowValue;
3269	switch(dest->dwBytesPPDive)
3270	{
3271	case 1:
3272	while(BlitHeight--)
3273	{
3274	x = 0;
3275	while(x<BlitWidth)
3276	{
3277	if(pBltPos[x] != (char) dwDestColor)
3278	pBltPos[x] = pSrcPos[x];
3279	x++;
3280	}
3281	pBltPos += dest->dwPitchDB;
3282	pSrcPos += src->dwPitchDB;
3283	}
3284	break;
3285	case 2:
3286	while(BlitHeight--)
3287	{
3288	x = 0;
3289	while(x<BlitWidth)
3290	{
3291	if(((USHORT*)pBltPos)[x] != (USHORT) dwDestColor)
3292	((USHORT)pBltPos)[x] = ((USHORT)pSrcPos)[x];
3293	x++;
3294	}
3295	pBltPos += dest->dwPitchDB;
3296	pSrcPos += src->dwPitchDB;
3297	}
3298	break;
3299	case 3:
3300	{
3301	char pSC, pDC;
3302	pSC = (char*)&dwSrcColor;
3303	pDC = (char*)&dwDestColor;
3304	BlitWidth *=3;
3305
3306	while(BlitHeight--)
3307	{
3308	x = 0;
3309
3310	while(x<BlitWidth)
3311	{
3312	if( (pBltPos[x] != pDC[1]) &&
3313	(pBltPos[x+1] != pDC[2]) &&
3314	(pBltPos[x+2] != pDC[3])
3315	)
3316	{
3317	pBltPos[x] = pSrcPos[x];
3318	pBltPos[x+1] = pSrcPos[x+2];
3319	pBltPos[x+1] = pSrcPos[x+2];
3320	}
3321	x +=3;
3322	}
3323	pBltPos += dest->dwPitchDB;
3324	pSrcPos += src->dwPitchDB;
3325	}
3326	break;
3327	}
3328	case 4:
3329	while(BlitHeight--)
3330	{
3331	x = 0;
3332	while(x<BlitWidth)
3333	{
3334	if(((DWORD*)pBltPos)[x] != dwDestColor)
3335	((DWORD)pBltPos)[x] = ((DWORD)pSrcPos)[x];
3336	x++;
3337	}
3338	pBltPos += dest->dwPitchDB;
3339	pSrcPos += src->dwPitchDB;
3340	}
3341	break;
3342	} // End switch
3343	}
3344	else
3345	{
3346	WriteLog("Unexpected Flags");
3347	}
3348	}
3349	}
3350	dest->lpVtbl->ChangeUniquenessValue(dest);
3351
3352
3353	return(DD_OK);
3354	}
3355	//******************************************************************************
3356	//******************************************************************************
3357	HRESULT __stdcall SurfDeleteAttachedSurface(THIS This, DWORD dwFlags, LPDIRECTDRAWSURFACE2 lpDDSurface)
3358	{
3359	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3360	#ifdef DEBUG
3361	WriteLog("SurfDeleteAttachedSurface\n");
3362	#endif
3363
3364	return(SurfDeleteAttachedSurface4(me, dwFlags, (LPDIRECTDRAWSURFACE4)lpDDSurface));
3365	}
3366	//******************************************************************************
3367	//******************************************************************************
3368	HRESULT __stdcall SurfDeleteAttachedSurface4(THIS This, DWORD dwFlags , LPDIRECTDRAWSURFACE4 lpDDSurface)
3369	{
3370
3371	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3372	OS2IDirectDrawSurface *AttachedSurface;
3373	OS2IDirectDrawSurface *SurfaceCursor;
3374	int i;
3375
3376	BOOL Found = FALSE;
3377	#ifdef DEBUG
3378	WriteLog("SurfDeleteAttachedSurface\n");
3379	#endif
3380
3381	if((0!=dwFlags)\|\|(NULL==lpDDSurface))
3382	return(DDERR_INVALIDPARAMS);
3383
3384	AttachedSurface = (OS2IDirectDrawSurface*) lpDDSurface;
3385	if (AttachedSurface->IsImplicitSurface())
3386	return (DDERR_CANNOTDETACHSURFACE);
3387
3388	if ( (AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & ( DDSCAPS_FLIP \| DDSCAPS_BACKBUFFER)) &&
3389	!(AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER) )
3390	{
3391	// Surface seams to be a backbuffer in a flipchain search it
3392
3393	// Goto top of list
3394	if(me->FrontBuffer!=NULL)
3395	{
3396	SurfaceCursor = me->FrontBuffer;
3397	while(SurfaceCursor->GetFrontBuffer()!=NULL)
3398	SurfaceCursor = SurfaceCursor->GetFrontBuffer();
3399	}
3400	else
3401	SurfaceCursor = me;
3402
3403	// now iterrate through the list skip first in list as we don't remove the frontbuffer
3404
3405	SurfaceCursor = SurfaceCursor->BackBuffer;
3406	while((SurfaceCursor!= AttachedSurface)&&(SurfaceCursor!=NULL))
3407	SurfaceCursor = SurfaceCursor->BackBuffer;
3408
3409	if(SurfaceCursor!=NULL)
3410	{
3411	Found = TRUE;
3412	// remove the Surface from the list
3413	SurfaceCursor->FrontBuffer->BackBuffer = SurfaceCursor->BackBuffer;
3414	if(SurfaceCursor->BackBuffer!=NULL)
3415	{
3416	SurfaceCursor->BackBuffer->SetFrontBuffer(SurfaceCursor->FrontBuffer);
3417
3418	}
3419	else
3420	{
3421	// we were the last buffer in the list have we been the only backbuffer?
3422	if(SurfaceCursor->FrontBuffer->FrontBuffer == NULL)
3423	{
3424	// Yepp so "destroy" the flipchain
3425	SurfaceCursor->FrontBuffer->DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FLIP;
3426	SurfaceCursor->FrontBuffer->DDSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
3427	}
3428	}
3429	// decrement the backbuffer count of all buffers in the chain in front of us
3430	while(SurfaceCursor->GetFrontBuffer()!=NULL)
3431	{
3432	SurfaceCursor = SurfaceCursor->GetFrontBuffer();
3433	SurfaceCursor->DDSurfaceDesc.dwBackBufferCount-- ;
3434	}
3435
3436	AttachedSurface->DDSurfaceDesc.dwBackBufferCount = 0;
3437	AttachedSurface->DDSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
3438	AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FLIP;
3439	AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps \|= DDSCAPS_BACKBUFFER; // Set this flag as adding to the chain removed it
3440	AttachedSurface->lpVtbl->Release(AttachedSurface);
3441
3442	}
3443	} //endif delete back/frontbuffers
3444
3445	if ( (!Found) && (AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & ( DDSCAPS_FLIP & DDSCAPS_FRONTBUFFER)) )
3446	{
3447	// seams like someone wants a new frontbuffer
3448
3449	// Goto top of list
3450
3451	if(me->FrontBuffer!=NULL)
3452	{
3453	SurfaceCursor = me->FrontBuffer;
3454	while(SurfaceCursor->GetFrontBuffer()!=NULL)
3455	SurfaceCursor = SurfaceCursor->GetFrontBuffer();
3456	}
3457	else
3458	SurfaceCursor = me;
3459
3460	if(SurfaceCursor == AttachedSurface)
3461	{
3462	Found = TRUE;
3463	SurfaceCursor->BackBuffer->SetFrontBuffer(NULL);
3464	AttachedSurface->DDSurfaceDesc.dwBackBufferCount = 0;
3465	AttachedSurface->DDSurfaceDesc.dwFlags &= ~DDSD_BACKBUFFERCOUNT;
3466	AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps &= ~DDSCAPS_FLIP;
3467	AttachedSurface->lpVtbl->Release(AttachedSurface);
3468	}
3469
3470	}
3471
3472
3473	if ( (!Found) && (AttachedSurface->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_MIPMAP ) )
3474	{
3475	// Surface seams to be a mipmap
3476	i = 0;
3477	while((DPA_GetPtrCount(me->DPA_SurfaceMipMaps)>i ) && !Found)
3478	{
3479	if (DPA_FastGetPtr(me->DPA_SurfaceMipMaps,i) == AttachedSurface)
3480	{
3481	Found = TRUE;
3482	DPA_DeletePtr(me->DPA_SurfaceMipMaps,i);
3483	AttachedSurface->lpVtbl->Release(AttachedSurface);
3484	// adjust our info
3485	me->DDSurfaceDesc.dwMipMapCount-- ;
3486	if (!me->DDSurfaceDesc.dwMipMapCount)
3487	{
3488	me->DDSurfaceDesc.dwFlags &= ~DDSD_MIPMAPCOUNT;
3489	}
3490	}
3491	i++;
3492	}
3493	}
3494
3495	if(!Found)
3496	{
3497	// Surface seams to be an attached one
3498	i = 0;
3499	while((DPA_GetPtrCount(me->DPA_SurfaceAttached)>i ) && !Found)
3500	{
3501	if (DPA_FastGetPtr(me->DPA_SurfaceAttached,i) == AttachedSurface)
3502	{
3503	Found = TRUE;
3504	DPA_DeletePtr(me->DPA_SurfaceAttached,i);
3505	AttachedSurface->lpVtbl->Release(AttachedSurface);
3506	}
3507	i++;
3508	}
3509	}
3510
3511
3512	return(Found?DD_OK:DDERR_SURFACENOTATTACHED);
3513	}
3514	//******************************************************************************
3515	//******************************************************************************
3516	HRESULT __stdcall SurfEnumAttachedSurfaces(THIS This, LPVOID lpContext, LPDDENUMSURFACESCALLBACK lpCallBack)
3517	{
3518	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3519	#ifdef DEBUG
3520	WriteLog("SurfEnumAttachedSurfaces\n");
3521	#endif
3522
3523	return(SurfEnumAttachedSurfaces4(me,lpContext, (LPDDENUMSURFACESCALLBACK2) lpCallBack));
3524	}
3525	//******************************************************************************
3526	//******************************************************************************
3527	HRESULT __stdcall SurfEnumAttachedSurfaces4(THIS This, LPVOID lpContext ,LPDDENUMSURFACESCALLBACK2 lpCallBack)
3528	{
3529	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3530	OS2IDirectDrawSurface *EnumSurface;
3531	DDSURFACEDESC2 EnumDesc;
3532	int i,count;
3533	HRESULT rc;
3534
3535	#ifdef DEBUG
3536	WriteLog("SurfEnumAttachedSurfaces\n");
3537	#endif
3538	if (NULL==lpCallBack)
3539	return (DDERR_INVALIDPARAMS);
3540
3541	rc = DDENUMRET_OK;
3542
3543
3544	if(me->BackBuffer != NULL)
3545	{
3546	memcpy(&EnumDesc,&(me->DDSurfaceDesc),sizeof(DDSURFACEDESC2));
3547	rc = lpCallBack((LPDIRECTDRAWSURFACE4)me->BackBuffer,&EnumDesc,lpContext);
3548	}
3549
3550	count = DPA_GetPtrCount(me->DPA_SurfaceMipMaps);
3551
3552	if(count>0)
3553	{
3554	i=0;
3555	while( (DDENUMRET_OK == rc) && i<count )
3556	{
3557	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceMipMaps,i);
3558	memcpy( &EnumDesc,
3559	&(EnumSurface->DDSurfaceDesc),
3560	sizeof(DDSURFACEDESC2));
3561	// Calling back into WIN32 app so we had to reset FS
3562	rc = lpCallBack((LPDIRECTDRAWSURFACE4)EnumSurface,&EnumDesc,lpContext);
3563	i++;
3564	}
3565	}
3566
3567	count = DPA_GetPtrCount(me->DPA_SurfaceAttached);
3568
3569	if(count>0)
3570	{
3571	i=0;
3572	while( (DDENUMRET_OK == rc) && i<count )
3573	{
3574	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceAttached,i);
3575	memcpy( &EnumDesc,
3576	&(EnumSurface->DDSurfaceDesc),
3577	sizeof(DDSURFACEDESC2));
3578	rc = lpCallBack((LPDIRECTDRAWSURFACE4)EnumSurface,&EnumDesc,lpContext);
3579	i++;
3580	}
3581	}
3582
3583	return(DD_OK);
3584	}
3585	//******************************************************************************
3586	//******************************************************************************
3587	HRESULT __stdcall SurfEnumOverlayZOrders(THIS, DWORD,LPVOID,LPDDENUMSURFACESCALLBACK)
3588	{
3589	#ifdef DEBUG
3590	WriteLog("SurfEnumOverlayZOrders\n");
3591	#endif
3592
3593	return(DD_OK);
3594	}
3595	//******************************************************************************
3596	//******************************************************************************
3597	HRESULT __stdcall SurfEnumOverlayZOrders4(THIS, DWORD,LPVOID,LPDDENUMSURFACESCALLBACK2)
3598	{
3599	#ifdef DEBUG
3600	WriteLog("SurfEnumOverlayZOrders\n");
3601	#endif
3602
3603	return(DD_OK);
3604	}
3605	//******************************************************************************
3606	//******************************************************************************
3607	HRESULT __stdcall SurfFlip(THIS This, LPDIRECTDRAWSURFACE2 lpDDSurf, DWORD dwFlags)
3608	{
3609	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3610	#ifdef DEBUG
3611	WriteLog("SurfFlip\n");
3612	#endif
3613
3614	return(SurfFlip4(me, (LPDIRECTDRAWSURFACE4) lpDDSurf, dwFlags));
3615	}
3616	//******************************************************************************
3617	//******************************************************************************
3618	HRESULT __stdcall SurfFlip4(THIS This, LPDIRECTDRAWSURFACE4 lpDDSurf, DWORD dwFlags)
3619	{
3620	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3621	OS2IDirectDrawSurface *FlipSurface;
3622	OS2IDirectDrawSurface *FlipCursor;
3623	LPVOID Data;
3624	char pcrFB,pcFB,pcrDB,pcDB;
3625	ULONG rc;
3626
3627	#ifdef DEBUG
3628	WriteLog("SurfFlip4\n");
3629	#endif
3630	if(!((me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FRONTBUFFER) &&
3631	(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_FLIP))
3632	)
3633	{
3634	#ifdef DEBUG
3635	WriteLog("Flip called on none Frontbuffer/Flip surface\n Flags:\n");
3636	_dump_DDSCAPS(me->DDSurfaceDesc.ddsCaps.dwCaps);
3637	WriteLog("\n");
3638	#endif
3639	return(DDERR_NOTFLIPPABLE);
3640	}
3641
3642	if(NULL!=lpDDSurf)
3643	{
3644	#ifdef DEBUG
3645	WriteLog("Check if Surface is in Flipchain!\n");
3646	#endif
3647
3648	// We got an override surface check if it is in the flipchain
3649	FlipSurface = (OS2IDirectDrawSurface*) lpDDSurf;
3650	FlipCursor = me->BackBuffer;
3651	while((NULL!=FlipCursor)&&(FlipCursor!=FlipSurface))
3652	{
3653	FlipCursor = FlipCursor->BackBuffer;
3654	}
3655
3656	if(FlipCursor!=FlipSurface)
3657	{
3658	#ifdef DEBUG
3659	WriteLog("Surface not in Flipchain!\n");
3660	#endif
3661	return (DDERR_INVALIDPARAMS); // Not sure if the returnvalue is right
3662	}
3663	}
3664	else
3665	{
3666	FlipSurface = me->NextFlip; // Take the next Surface in the Flipchain
3667	#ifdef DEBUG
3668	WriteLog("Next Surface @ 0x%08X\n",FlipSurface);
3669	#endif
3670	}
3671
3672	if((me->fLocked)\|\|(FlipSurface->fLocked))
3673	{
3674	#ifdef DEBUG
3675	WriteLog("Locked surface(s) Dest %d Src %d\n",me->fLocked,FlipSurface->fLocked);
3676	#endif
3677	return(DDERR_SURFACEBUSY);
3678	}
3679
3680	if(-1 != me->diveBufNr)
3681	{
3682	#ifdef DEBUG
3683	WriteLog("DIVE Flipchain");
3684	#endif
3685
3686	// we got some DIVE surfaces
3687	// On Dive Buffers More then Double buffering won't get any perf. gain
3688	// as we have to move all the data to the Frontbuffer and can't simply exchange the pointers
3689	// Doulebuffering should work best.
3690
3691	rc = DiveBlitImage(me->hDive, FlipSurface->diveBufNr, me->diveBufNr);
3692
3693	#ifdef DEBUG
3694	WriteLog("DiveBlitImage rc = 0x%08X\n");
3695	#endif
3696
3697	if(NULL==lpDDSurf)
3698	{
3699	// advance in the flipchain if no valid override surface was passed in
3700	me->NextFlip = FlipSurface->BackBuffer!=NULL?FlipSurface->BackBuffer:me->BackBuffer;
3701	}
3702	}
3703	else
3704	{
3705	#ifdef DEBUG
3706	WriteLog("Memory Flipchain");
3707	#endif
3708	// Memory Flipchain
3709	//
3710	// ToDo : Check what happens to src/dest colorkeys etc do the move also ?
3711	//
3712	// We only change the memory pointer to the buffers no need to copy all the data
3713	// So the NextFlip is here allways the Backbuffer so we won't advance this
3714	//
3715	// Sample (triple buffering) : Before Flip After Flip
3716	// Buffer: FB BB TB FB BB TB
3717	// Memory: 11 22 33 22 33 11
3718	//
3719
3720	Data = me->DDSurfaceDesc.lpSurface;
3721	pcrFB = me->pFBreal;
3722	pcFB = me->pFrameBuffer;
3723	pcrDB = me->pDBreal;
3724	pcDB = me->pDiveBuffer;
3725	me->DDSurfaceDesc.lpSurface = FlipSurface->DDSurfaceDesc.lpSurface;
3726	me->pFBreal = FlipSurface->pFBreal;
3727	me->pFrameBuffer = FlipSurface->pFrameBuffer;
3728	me->pDBreal = FlipSurface->pDBreal;
3729	me->pDiveBuffer = FlipSurface->pDiveBuffer;
3730
3731	if(NULL==lpDDSurf)
3732	{
3733	while(NULL!=FlipSurface->BackBuffer)
3734	{
3735	FlipSurface->DDSurfaceDesc.lpSurface = FlipSurface->BackBuffer->DDSurfaceDesc.lpSurface;
3736	FlipSurface->pFBreal = FlipSurface->BackBuffer->pFBreal;
3737	FlipSurface->pFrameBuffer = FlipSurface->BackBuffer->pFrameBuffer;
3738	FlipSurface->pDBreal = FlipSurface->BackBuffer->pDBreal;
3739	FlipSurface->pDiveBuffer = FlipSurface->BackBuffer->pDiveBuffer;
3740	FlipSurface = FlipSurface->BackBuffer;
3741	}
3742	}
3743	FlipSurface->DDSurfaceDesc.lpSurface = Data;
3744	FlipSurface->pFBreal = pcrFB;
3745	FlipSurface->pFrameBuffer = pcFB;
3746	FlipSurface->pDBreal = pcrDB;
3747	FlipSurface->pDiveBuffer = pcDB;
3748	}
3749
3750	return(DD_OK);
3751	}
3752	//******************************************************************************
3753	//******************************************************************************
3754	HRESULT __stdcall SurfGetAttachedSurface(THIS This, LPDDSCAPS lpDDCaps,
3755	LPDIRECTDRAWSURFACE2 FAR * lpDDSurf)
3756	{
3757	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3758	#ifdef DEBUG
3759	WriteLog("SurfGetAttachedSurface\n");
3760	#endif
3761
3762	return(SurfGetAttachedSurface4(me, (LPDDSCAPS2)lpDDCaps , (LPDIRECTDRAWSURFACE4*)lpDDSurf));
3763	}
3764	//******************************************************************************
3765	//******************************************************************************
3766	HRESULT __stdcall SurfGetAttachedSurface4(THIS This, LPDDSCAPS2 lpDDCaps,
3767	LPDIRECTDRAWSURFACE4 FAR * lpDDSurf)
3768	{
3769	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3770	OS2IDirectDrawSurface *EnumSurface = NULL;
3771	OS2IDirectDrawSurface *AttachedSurface = NULL;
3772	HRESULT rc;
3773	int i;
3774
3775	#ifdef DEBUG
3776	WriteLog("SurfGetAttachedSurface4\n>Requested Caps: ");
3777	_dump_DDSCAPS(lpDDCaps->dwCaps);
3778	WriteLog("\n");
3779	#endif
3780
3781	if( (NULL==lpDDCaps)\|\|(NULL==lpDDSurf))
3782	{
3783	WriteLog("Invalid params\n\n");
3784	return (DDERR_INVALIDPARAMS);
3785	}
3786
3787
3788	rc = DD_OK;
3789
3790	if( (me->BackBuffer!=NULL) &&
3791	(me->BackBuffer->DDSurfaceDesc.ddsCaps.dwCaps & lpDDCaps->dwCaps) )
3792	{
3793	WriteLog("Return Backbuffer\n");
3794	AttachedSurface = me->BackBuffer;
3795	}
3796
3797	if(DPA_GetPtrCount(me->DPA_SurfaceMipMaps)>0)
3798	{
3799	i=0;
3800	while( i<DPA_GetPtrCount(me->DPA_SurfaceMipMaps) )
3801	{
3802	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceMipMaps,i);
3803	if(EnumSurface->DDSurfaceDesc.ddsCaps.dwCaps == lpDDCaps->dwCaps)
3804	{
3805	if(NULL==AttachedSurface)
3806	AttachedSurface = EnumSurface;
3807	else
3808	rc = DDERR_NOTFOUND; // Not sure if this is the right return value,
3809	// but function must fail if more then one surface fits
3810
3811	}
3812	i++;
3813	}
3814	}
3815
3816	if(DPA_GetPtrCount(me->DPA_SurfaceAttached)>0)
3817	{
3818	i=0;
3819	while( i<DPA_GetPtrCount(me->DPA_SurfaceAttached) )
3820	{
3821	EnumSurface = (OS2IDirectDrawSurface*) DPA_FastGetPtr(me->DPA_SurfaceAttached,i);
3822	if(EnumSurface->DDSurfaceDesc.ddsCaps.dwCaps == lpDDCaps->dwCaps)
3823	{
3824	if(NULL==AttachedSurface)
3825	AttachedSurface = EnumSurface;
3826	else
3827	rc = DDERR_NOTFOUND; // Not sure if this is the right return value,
3828	// but function must fail if more then one surface fits
3829
3830	}
3831	i++;
3832	}
3833	}
3834
3835	if( (DD_OK==rc) &&
3836	(NULL!=AttachedSurface) )
3837	{
3838	lpDDSurf = (IDirectDrawSurface4)AttachedSurface;
3839	// not sure but as we returned an reference rains usage count
3840	AttachedSurface->lpVtbl->AddRef(AttachedSurface);
3841	}
3842	else
3843	{
3844	*lpDDSurf = NULL;
3845	rc = DDERR_NOTFOUND;
3846	}
3847
3848
3849	return rc;
3850	}
3851	//******************************************************************************
3852	//******************************************************************************
3853	HRESULT __stdcall SurfGetBltStatus(THIS This, DWORD)
3854	{
3855	#ifdef DEBUG
3856	WriteLog("SurfGetBltStatus\n");
3857	#endif
3858
3859	return(DD_OK);
3860	}
3861	//******************************************************************************
3862	//******************************************************************************
3863	HRESULT __stdcall SurfGetCaps(THIS This, LPDDSCAPS lpDDCaps)
3864	{
3865	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3866
3867	#ifdef DEBUG
3868	WriteLog("SurfGetCaps\n");
3869	#endif
3870
3871	if(NULL==lpDDCaps)
3872	return(DDERR_INVALIDPARAMS);
3873
3874	lpDDCaps->dwCaps = me->DDSurfaceDesc.ddsCaps.dwCaps;
3875	#ifdef DEBUG
3876	_dump_DDSCAPS(lpDDCaps->dwCaps);
3877	#endif
3878	return(DD_OK);
3879	}
3880	//******************************************************************************
3881	//******************************************************************************
3882	HRESULT __stdcall SurfGetCaps4(THIS This, LPDDSCAPS2 lpDDCaps)
3883	{
3884	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3885	#ifdef DEBUG
3886	WriteLog("SurfGetCaps4\n");
3887	#endif
3888
3889	if(NULL==lpDDCaps)
3890	return(DDERR_INVALIDPARAMS);
3891
3892	memcpy(lpDDCaps, &(me->DDSurfaceDesc.ddsCaps), sizeof(DDSCAPS2) );
3893	#ifdef DEBUG
3894	_dump_DDSCAPS(lpDDCaps->dwCaps);
3895	_dump_DDSCAPS2(lpDDCaps->dwCaps2);
3896
3897	#endif
3898
3899	return(DD_OK);
3900	}
3901	//******************************************************************************
3902	//******************************************************************************
3903	HRESULT __stdcall SurfGetClipper(THIS This, LPDIRECTDRAWCLIPPER FAR *lplpClipper)
3904	{
3905	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3906
3907	#ifdef DEBUG
3908	WriteLog("SurfGetClipper\n");
3909	#endif
3910
3911	if(me->lpClipper)
3912	{
3913	*lplpClipper = (LPDIRECTDRAWCLIPPER) me->lpClipper;
3914	return(DD_OK);
3915	}
3916	else
3917	return(DDERR_NOCLIPPERATTACHED);
3918	}
3919	//******************************************************************************
3920	//******************************************************************************
3921	HRESULT __stdcall SurfGetColorKey(THIS This, DWORD dwFlags, LPDDCOLORKEY lpDDColKey)
3922	{
3923	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3924
3925	#ifdef DEBUG
3926	WriteLog("SurfGetColorKey\n");
3927	#endif
3928
3929	if ((0==dwFlags) \|\| (NULL==lpDDColKey))
3930	return (DDERR_INVALIDPARAMS);
3931
3932	// as we report only src colorkey in the caps return error on all others flags
3933	if( (DDCKEY_DESTBLT\|DDCKEY_DESTOVERLAY\|DDCKEY_SRCOVERLAY) & dwFlags)
3934	return(DDERR_UNSUPPORTED);
3935
3936	if(me->DDSurfaceDesc.dwFlags & dwFlags)
3937	{
3938	if(DDCKEY_SRCBLT & dwFlags)
3939	{
3940	memcpy(lpDDColKey,&(me->DDSurfaceDesc.ddckCKSrcBlt),sizeof(DDCOLORKEY) );
3941	}
3942	else
3943	return (DDERR_INVALIDPARAMS); // some other flags where set => error
3944	}
3945	else
3946	return(DDERR_NOCOLORKEY); // surface doesn't have a color key set
3947
3948	return (DD_OK);
3949	}
3950	//******************************************************************************
3951	//******************************************************************************
3952	HRESULT __stdcall SurfGetDC(THIS This, HDC FAR *hdc)
3953	{
3954	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
3955	DDSURFACEDESC2 LockedSurfaceDesc;
3956	HRESULT rc;
3957	BITMAP bmpSurface;
3958	struct
3959	{
3960	BITMAPINFOHEADER bmiHead;
3961	RGBQUAD bmiCols[256];
3962	} BitmapInfo;
3963
3964	#ifdef DEBUG
3965	WriteLog("SurfGetDC\n");
3966	#endif
3967
3968	if (NULL==hdc)
3969	return(DDERR_INVALIDPARAMS);
3970
3971	LockedSurfaceDesc.dwSize = sizeof(DDSURFACEDESC2);
3972
3973	if(DD_OK != me->Vtbl.Lock(me,NULL,&LockedSurfaceDesc,0,0))
3974	{
3975	return(DDERR_DCALREADYCREATED);
3976	}
3977
3978	rc = DD_OK;
3979
3980	if(me->hdcImage == NULL)
3981	{
3982	// Create a Device context
3983	me->hdcImage = CreateCompatibleDC(NULL);
3984	if(me->hdcImage == NULL)
3985	{
3986	#ifdef DEBUG
3987	WriteLog("Can't create compatible DC!\n");
3988	#endif
3989	me->Vtbl.Unlock(me,NULL);
3990	rc = DDERR_GENERIC;
3991	}
3992	}
3993
3994	if( (DD_OK==rc) &&
3995	(me->hbmImage == NULL) )
3996	{
3997	WriteLog( "Trying to create Bitmap (%d/%d) at %d Bit\n",
3998	LockedSurfaceDesc.lPitch/ (LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3),
3999	LockedSurfaceDesc.dwHeight,
4000	LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount
4001	);
4002	#if 0
4003	memset(&BitmapInfo, 0, sizeof(BitmapInfo));
4004	BitmapInfo.bmiHead.biSize = sizeof(BITMAPINFOHEADER);
4005	BitmapInfo.bmiHead.biWidth = LockedSurfaceDesc.lPitch/ (LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3);
4006	BitmapInfo.bmiHead.biHeight = LockedSurfaceDesc.dwHeight;
4007	BitmapInfo.bmiHead.biPlanes = 1;
4008	BitmapInfo.bmiHead.biBitCount = LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
4009	#else
4010	bmpSurface.bmType = 0;
4011	bmpSurface.bmWidth = LockedSurfaceDesc.dwWidth;
4012	bmpSurface.bmHeight = LockedSurfaceDesc.dwHeight;
4013	bmpSurface.bmWidthBytes = LockedSurfaceDesc.lPitch;
4014	bmpSurface.bmPlanes = 1;
4015	bmpSurface.bmBits = LockedSurfaceDesc.lpSurface;
4016	#endif
4017	switch(LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4018	{
4019	case 1:
4020	case 4:
4021	WriteLog("1/4 Bit Not yet supported\n");
4022	break;
4023	case 8:
4024	#if 0
4025	BitmapInfo.bmiHead.biCompression = BI_RGB;
4026	GetSystemPaletteEntries(me->hdcImage,0,255,(PPALETTEENTRY)&BitmapInfo.bmiCols[0]);
4027	me->hbmImage = CreateDIBitmap( me->hdcImage,
4028	NULL,
4029	CBM_CREATEDIB,
4030	LockedSurfaceDesc.lpSurface,
4031	(PBITMAPINFO)&BitmapInfo,
4032	DIB_RGB_COLORS);
4033	#else
4034	bmpSurface.bmBitsPixel = 8;
4035	me->hbmImage = CreateBitmapIndirect( &bmpSurface);
4036	#endif
4037	break;
4038	case 16:
4039	case 32:
4040	WriteLog("16/32 Bit not supported by OS/2");
4041	break;
4042	case 24:
4043	#if 0
4044	BitmapInfo.bmiHead.biCompression = BI_RGB;
4045	me->hbmImage = CreateDIBitmap( me->hdcImage,
4046	NULL,
4047	CBM_CREATEDIB,
4048	LockedSurfaceDesc.lpSurface,
4049	(PBITMAPINFO)&BitmapInfo,
4050	DIB_RGB_COLORS);
4051	#else
4052	bmpSurface.bmBitsPixel = 24;
4053	me->hbmImage = CreateBitmapIndirect( &bmpSurface);
4054	#endif
4055	break;
4056	default:
4057	#ifdef DEBUG
4058	WriteLog( "Unexptected BitCount %d \n",
4059	LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount);
4060	#endif
4061	me->hbmImage=NULL;
4062	} // end switch (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4063
4064	if(me->hbmImage == NULL)
4065	{
4066	#ifdef DEBUG
4067	WriteLog("Can't create bitmap!\n");
4068	#endif
4069	DeleteDC(me->hdcImage);
4070	me->hdcImage = NULL;
4071	me->Vtbl.Unlock(me,NULL);
4072	rc = DDERR_GENERIC;
4073	}
4074	}
4075	else
4076	{
4077	if( (DD_OK==rc) &&
4078	(me->dwLastDCUnique != me->dwUniqueValue) )
4079	{
4080	#ifdef DEBUG
4081	WriteLog("The Surface was locked/unlocked after the last DC was created =>Update Bitmap!\n");
4082	#endif
4083
4084	memset(&BitmapInfo,0, sizeof(BitmapInfo));
4085	BitmapInfo.bmiHead.biSize = sizeof(BITMAPINFOHEADER);
4086	BitmapInfo.bmiHead.biWidth = LockedSurfaceDesc.lPitch/ (LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3);
4087	BitmapInfo.bmiHead.biHeight = LockedSurfaceDesc.dwHeight;
4088	BitmapInfo.bmiHead.biPlanes = 1;
4089	BitmapInfo.bmiHead.biBitCount = LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
4090
4091	switch(LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4092	{
4093	case 1:
4094	case 4:
4095	case 8:
4096	BitmapInfo.bmiHead.biCompression = BI_RGB;
4097	GetSystemPaletteEntries(me->hdcImage,0,255,(PPALETTEENTRY)&BitmapInfo.bmiCols[0]);
4098	SetDIBits(me->hdcImage, me->hbmImage, 0, LockedSurfaceDesc.dwHeight,
4099	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4100	break;
4101	case 16:
4102	case 32:
4103	BitmapInfo.bmiHead.biCompression = BI_BITFIELDS;
4104	BitmapInfo.bmiHead.biClrUsed = 3;
4105	((DWORD ) &(BitmapInfo.bmiCols[0])) = me->DDSurfaceDesc.ddpfPixelFormat.dwRBitMask;
4106	((DWORD ) &(BitmapInfo.bmiCols[1])) = me->DDSurfaceDesc.ddpfPixelFormat.dwGBitMask;
4107	((DWORD ) &(BitmapInfo.bmiCols[2])) = me->DDSurfaceDesc.ddpfPixelFormat.dwBBitMask;
4108	SetDIBits(me->hdcImage, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4109	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4110	break;
4111	case 24:
4112	BitmapInfo.bmiHead.biCompression = BI_RGB;
4113	SetDIBits(me->hdcImage, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4114	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4115	break;
4116	default:
4117	#ifdef DEBUG
4118	WriteLog("Unexptected BitCount %d => Bitmap not updated!\n",LockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount);
4119	#endif
4120	break;
4121	} // end switch (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4122
4123	}
4124	}
4125
4126	// Allways select the bitmap into the DC! No matter if the old or a new one
4127
4128	if(DD_OK==rc)
4129	{
4130	if((me->hgdiOld = SelectObject(me->hdcImage, me->hbmImage)) == NULL)
4131	{
4132	#ifdef DEBUG
4133	WriteLog("Can't select bitmap into dc!\n");
4134	#endif
4135	DeleteDC(me->hdcImage);
4136	me->hdcImage = NULL;
4137	DeleteObject(me->hbmImage);
4138	me->hbmImage = NULL;
4139	me->Vtbl.Unlock(me,NULL);
4140	rc = DDERR_GENERIC;
4141	}
4142	else
4143	{
4144	*hdc = me->hdcImage;
4145	}
4146	}
4147
4148	return rc;
4149	}
4150	//******************************************************************************
4151	//******************************************************************************
4152	HRESULT __stdcall SurfGetFlipStatus(THIS This, DWORD dwFlags)
4153	{
4154	#ifdef DEBUG
4155	WriteLog("SurfGetFlipStatus\n");
4156	#endif
4157
4158	if( (DDGFS_CANFLIP!=dwFlags) && (DDGFS_ISFLIPDONE!=dwFlags) )
4159	return DDERR_INVALIDPARAMS;
4160
4161	return(DD_OK);
4162	}
4163	//******************************************************************************
4164	//******************************************************************************
4165	HRESULT __stdcall SurfGetOverlayPosition(THIS This, LPLONG lplX, LPLONG lplY)
4166	{
4167	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4168	#ifdef DEBUG
4169	WriteLog("SurfGetOverlayPosition\n");
4170	#endif
4171
4172	// Maybe simply return dderr_notsupported as we retun a max overlay value of 0 in the caps ?
4173
4174	if( (NULL==lplX) \|\| (NULL==lplY))
4175	return DDERR_INVALIDPARAMS;
4176
4177	if(!(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_OVERLAY))
4178	return DDERR_NOTAOVERLAYSURFACE;
4179
4180	if(!(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_VISIBLE))
4181	return DDERR_OVERLAYNOTVISIBLE;
4182
4183	if(!me->fOverlayValid)
4184	return DDERR_NOOVERLAYDEST;
4185
4186	*lplX = me->lOverlayX;
4187	*lplY = me->lOverlayY;
4188
4189	return(DD_OK);
4190	}
4191	//******************************************************************************
4192	//******************************************************************************
4193	HRESULT __stdcall SurfGetPalette(THIS This, LPDIRECTDRAWPALETTE FAR *lplpPalette)
4194	{
4195	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4196
4197	#ifdef DEBUG
4198	WriteLog("SurfGetPalette\n");
4199	#endif
4200
4201	if(me->lpPalette)
4202	{
4203	*lplpPalette = (LPDIRECTDRAWPALETTE)me->lpPalette;
4204	return(DD_OK);
4205	}
4206	else
4207	return(DDERR_NOPALETTEATTACHED);
4208	}
4209	//******************************************************************************
4210	//******************************************************************************
4211	HRESULT __stdcall SurfGetPixelFormat(THIS This, LPDDPIXELFORMAT lpPixelFormat)
4212	{
4213	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4214
4215	#ifdef DEBUG
4216	WriteLog("SurfGetPixelFormat\n");
4217	#endif
4218
4219	if(NULL==lpPixelFormat)
4220	return DDERR_INVALIDPARAMS;
4221
4222	memcpy( (char*)lpPixelFormat,
4223	(char*)&(me->DDSurfaceDesc.ddpfPixelFormat),
4224	sizeof(DDPIXELFORMAT));
4225
4226	return(DD_OK);
4227	}
4228	//******************************************************************************
4229	//******************************************************************************
4230	HRESULT __stdcall SurfGetSurfaceDesc(THIS This, LPDDSURFACEDESC lpSurface)
4231	{
4232	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4233
4234	#ifdef DEBUG
4235	WriteLog("SurfGetSurfaceDesc\n");
4236	#endif
4237
4238	if((lpSurface == NULL)\|\|(lpSurface->dwSize != sizeof(DDSURFACEDESC)) )
4239	return(DDERR_INVALIDPARAMS);
4240
4241	memcpy( (char *)lpSurface,
4242	(char *)&me->DDSurfaceDesc,
4243	sizeof(DDSURFACEDESC));
4244
4245	return(DD_OK);
4246	}
4247	//******************************************************************************
4248	//******************************************************************************
4249	HRESULT __stdcall SurfGetSurfaceDesc4(THIS This, LPDDSURFACEDESC2 lpSurface)
4250	{
4251	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4252
4253	#ifdef DEBUG
4254	WriteLog("SurfGetSurfaceDesc4\n");
4255	#endif
4256
4257	if((lpSurface == NULL)\|\|(lpSurface->dwSize != sizeof(DDSURFACEDESC2)) )
4258	return(DDERR_INVALIDPARAMS);
4259
4260	memcpy( (char *)lpSurface,
4261	(char *)&me->DDSurfaceDesc,
4262	sizeof(DDSURFACEDESC2));
4263
4264	return(DD_OK);
4265	}
4266	//******************************************************************************
4267	//******************************************************************************
4268	HRESULT __stdcall SurfInitialize(THIS, LPDIRECTDRAW, LPDDSURFACEDESC)
4269	{
4270	#ifdef DEBUG
4271	WriteLog("SurfInitialize\n");
4272	#endif
4273
4274	return(DDERR_ALREADYINITIALIZED); // Init is done during creation see M$ Doc
4275	}
4276	//******************************************************************************
4277	//******************************************************************************
4278	HRESULT __stdcall SurfInitialize4(THIS, LPDIRECTDRAW, LPDDSURFACEDESC2)
4279	{
4280	#ifdef DEBUG
4281	WriteLog("SurfInitialize\n");
4282	#endif
4283
4284	return(DDERR_ALREADYINITIALIZED); // Init is done during creation see M$ Doc
4285	}
4286	//******************************************************************************
4287	//******************************************************************************
4288	HRESULT __stdcall SurfIsLost(THIS)
4289	{
4290	// We don't loose any surface ;)
4291	// But we might shoud check for primary and/or Dive Buffers as I don't know
4292	// if they are preserved if switching to a FS DOS/OS2 session
4293	//
4294	#ifdef DEBUG
4295	WriteLog("SurfIsLost\n");
4296	#endif
4297
4298	return(DD_OK);
4299	}
4300	//******************************************************************************
4301	//******************************************************************************
4302	HRESULT __stdcall SurfLock( THIS This,
4303	LPRECT lpRect,
4304	LPDDSURFACEDESC lpSurfaceDesc,
4305	DWORD dwFlags,
4306	HANDLE hEvent)
4307	{
4308	DDSURFACEDESC2 SurfaceDesc4;
4309	HRESULT rc;
4310
4311	#ifdef DEBUG
4312	WriteLog("SurfLock %d %08X %d %d\n", (int)lpRect, (int)lpSurfaceDesc, dwFlags, hEvent);
4313	#endif
4314
4315	if((NULL==lpSurfaceDesc)\|\|(NULL!=hEvent))
4316	return DDERR_INVALIDPARAMS;
4317
4318	if(lpSurfaceDesc->dwSize != sizeof(DDSURFACEDESC))
4319	return DDERR_INVALIDPARAMS;
4320
4321	SurfaceDesc4.dwSize = sizeof(DDSURFACEDESC2);
4322
4323	rc = SurfLock4( This,
4324	lpRect,
4325	&SurfaceDesc4,
4326	dwFlags,
4327	hEvent);
4328	if (DD_OK==rc)
4329	{
4330	memcpy( (char*)lpSurfaceDesc,
4331	(char*)&SurfaceDesc4,
4332	sizeof(DDSURFACEDESC) );
4333	}
4334
4335	return(rc);
4336	}
4337	//******************************************************************************
4338	//******************************************************************************
4339	HRESULT __stdcall SurfLock4( THIS This,
4340	LPRECT lpRect,
4341	LPDDSURFACEDESC2 lpSurfaceDesc,
4342	DWORD dwFlags,
4343	HANDLE hEvent)
4344	{
4345
4346	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4347	int i;
4348
4349	BOOL Found;
4350	ULONG nrScanLines;
4351	char *pBuffer;
4352	DDRectangle pIRectCurrent,pIRectNew;
4353	static int times = 0;
4354	HRESULT rc;
4355
4356	#ifdef DEBUG
4357	WriteLog("SurfLock4 %08X %08X %d %d\n", (int)lpRect, (int)lpSurfaceDesc, dwFlags, hEvent);
4358	#endif
4359
4360	if( (NULL==lpSurfaceDesc) \|\|
4361	(NULL!=hEvent)
4362	)
4363	return DDERR_INVALIDPARAMS;
4364
4365
4366	if (NULL!=lpRect)
4367	pIRectNew = new DDRectangle( lpRect->left, lpRect->top, lpRect->bottom, lpRect->right );
4368	else
4369	pIRectNew = new DDRectangle( 0, 0, me->height, me->width);
4370
4371	// ToDo : the lockchecking should be done in a critcal seq.
4372	WriteLog( "Lock Rectangle (%d/%d) x (%d/%d)\n",
4373	pIRectNew->Top(),
4374	pIRectNew->Left(),
4375	pIRectNew->Bottom(),
4376	pIRectNew->Right() );
4377
4378	rc = DD_OK;
4379
4380	if(me->fLocked)
4381	{
4382	if (NULL==lpRect)
4383	{
4384	// If anything is locked we can't locke the complete surface
4385	WriteLog("Surface has locked Rectangles, and we want to complete lock it\n");
4386	Found = TRUE;
4387	}
4388	else
4389	{
4390	// If the new Rectangle intersects with any of the already locked rectangles it can't
4391	// be locked so check for this
4392
4393	WriteLog("Surface has locked Rectangles, check if the overlap\n");
4394
4395	i=0;
4396	Found = FALSE;
4397
4398	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4399	{
4400	pIRectCurrent = (DDRectangle*) DPA_FastGetPtr(me->DPA_LockedRects,i);
4401	WriteLog( "Test with Rectangle (%d/%d) x (%d/%d)\n",
4402	pIRectCurrent->Top(),
4403	pIRectCurrent->Left(),
4404	pIRectCurrent->Bottom(),
4405	pIRectCurrent->Right() );
4406	Found = pIRectCurrent->intersects(*pIRectNew);
4407	i++;
4408	}
4409
4410	}
4411
4412	if (Found)
4413	{
4414	delete pIRectNew;
4415	#ifdef DEBUG
4416	WriteLog("SurfLock4: Surface already locked\n\n");
4417	#endif
4418	rc = DDERR_SURFACEBUSY;
4419	}
4420
4421	}
4422
4423	if(DD_OK == rc)
4424	{
4425	memcpy((char )lpSurfaceDesc, (char )&me->DDSurfaceDesc, sizeof(DDSURFACEDESC2));
4426
4427	if(lpRect != NULL)
4428	{
4429	lpSurfaceDesc->lpSurface = (LPVOID)((char*)me->pFrameBuffer +
4430	(lpRect->top * me->dwPitchFB) +
4431	(lpRect->left * (lpSurfaceDesc->ddpfPixelFormat.dwRGBBitCount>>3)));
4432	#ifdef DEBUG
4433	WriteLog("SurfLock4 %08X (x,y) = (%d,%d)\n\n", lpSurfaceDesc->lpSurface, lpRect->top, lpRect->left);
4434	#endif
4435	}
4436	else
4437	{
4438	#ifdef DEBUG
4439	WriteLog("SurfLock4 %08X \n\n", lpSurfaceDesc->lpSurface);
4440	#endif
4441	}
4442	// Add the rectangle to the list of locked rectangles
4443
4444	pIRectNew->SetMemPtr(lpSurfaceDesc->lpSurface);
4445
4446	DPA_InsertPtr( me->DPA_LockedRects,
4447	DPA_GetPtrCount(me->DPA_LockedRects),
4448	pIRectNew);
4449
4450	me->fLocked = TRUE;
4451	}
4452
4453
4454	return rc;
4455	}
4456	//******************************************************************************
4457	//******************************************************************************
4458	HRESULT __stdcall SurfReleaseDC(THIS This, HDC hdc)
4459	{
4460	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4461	struct
4462	{
4463	BITMAPINFOHEADER bmiHead;
4464	RGBQUAD bmiCols[256];
4465	} BitmapInfo;
4466	BITMAP bmpData;
4467	char szError[256];
4468	int i,rc;
4469
4470	#ifdef DEBUG
4471	WriteLog("SurfReleaseDC\n");
4472	#endif
4473
4474	if(hdc != me->hdcImage)
4475	return(DDERR_INVALIDOBJECT);
4476
4477	#if 1
4478	//unselect our bitmap
4479	SelectObject(me->hdcImage, me->hgdiOld);
4480	memset(&BitmapInfo,0, sizeof(BitmapInfo));
4481	BitmapInfo.bmiHead.biSize = sizeof(BITMAPINFOHEADER);
4482	/*
4483	BitmapInfo.bmiHead.biWidth = me->DDSurfaceDesc.lPitch/ (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount>>3);
4484	BitmapInfo.bmiHead.biHeight = me->DDSurfaceDesc.dwHeight;
4485	BitmapInfo.bmiHead.biPlanes = 1;
4486	BitmapInfo.bmiHead.biBitCount = 0; // me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
4487	*/
4488	switch(me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4489	{
4490	case 1:
4491	case 4:
4492	case 8:
4493	BitmapInfo.bmiHead.biCompression = BI_RGB;
4494	//GetSystemPaletteEntries(me->hdcImage,0,255,(PPALETTEENTRY)&BitmapInfo.bmiCols[0]);
4495	rc = GetDIBits( hdc,
4496	me->hbmImage,
4497	0,
4498	me->DDSurfaceDesc.dwHeight,
4499	NULL,
4500	(PBITMAPINFO)&BitmapInfo,
4501	DIB_RGB_COLORS);
4502	WriteLog( "GetDIBits rc=%d\n Size :%d\n Width :%d\n Height :%d\n"
4503	" Planes :%d\n BitCount :%d\nLastEror = %d\nPixel[0,0] = 0x%02X\n",
4504	rc,
4505	BitmapInfo.bmiHead.biSize,
4506	BitmapInfo.bmiHead.biWidth,
4507	BitmapInfo.bmiHead.biHeight,
4508	BitmapInfo.bmiHead.biPlanes,
4509	BitmapInfo.bmiHead.biBitCount,
4510	GetLastError(),
4511	((char*)me->DDSurfaceDesc.lpSurface)[0]);
4512	rc = GetDIBits( hdc,
4513	me->hbmImage,
4514	0,
4515	me->DDSurfaceDesc.dwHeight,
4516	me->DDSurfaceDesc.lpSurface,
4517	(PBITMAPINFO)&BitmapInfo,
4518	DIB_RGB_COLORS);
4519	WriteLog( "GetDIBits rc=%d\n LastEror = %d\nPixel[0,0] = 0x%02X\n",
4520	rc,
4521	GetLastError(),
4522	((char*)me->DDSurfaceDesc.lpSurface)[0]);
4523	break;
4524	case 16:
4525	case 32:
4526	BitmapInfo.bmiHead.biCompression = BI_BITFIELDS;
4527	BitmapInfo.bmiHead.biClrUsed = 3;
4528	((DWORD ) &(BitmapInfo.bmiCols[0])) = me->DDSurfaceDesc.ddpfPixelFormat.dwRBitMask;
4529	((DWORD ) &(BitmapInfo.bmiCols[1])) = me->DDSurfaceDesc.ddpfPixelFormat.dwGBitMask;
4530	((DWORD ) &(BitmapInfo.bmiCols[2])) = me->DDSurfaceDesc.ddpfPixelFormat.dwBBitMask;
4531	GetDIBits(hdc, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4532	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4533	break;
4534	case 24:
4535	BitmapInfo.bmiHead.biCompression = BI_RGB;
4536	GetDIBits(hdc, me->hbmImage, 0, me->DDSurfaceDesc.dwHeight,
4537	me->DDSurfaceDesc.lpSurface,(PBITMAPINFO)&BitmapInfo,DIB_RGB_COLORS);
4538	break;
4539	default:
4540	#ifdef DEBUG
4541	WriteLog("Unexptected BitCount %d => Surface unlocked but no data copied back\n",me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount);
4542	#endif
4543	// we might could keep the surface locked and return an error but this is more "safe"
4544	break;
4545	} // end switch (me->DDSurfaceDesc.ddpfPixelFormat.dwRGBBitCount)
4546	#else
4547
4548	rc = GetObjectA( me->hbmImage,
4549	sizeof(BITMAP),
4550	&bmpData);
4551	WriteLog( "GetObject returned rc=%d\n BitmapInfo:\n Size:(%dx%d)\n Pitch: %d\n Bits %d\n @mem %08X",
4552	rc,
4553	bmpData.bmWidth, bmpData.bmHeight,
4554	bmpData.bmWidthBytes,
4555	bmpData.bmBitsPixel,
4556	bmpData.bmBits);
4557	#endif
4558	me->Vtbl.Unlock(me,NULL);
4559	me->dwLastDCUnique = me->dwUniqueValue; // Store this to see if the surface was locked after we released the DC
4560
4561	return(DD_OK);
4562	}
4563	//******************************************************************************
4564	//******************************************************************************
4565	HRESULT __stdcall SurfRestore(THIS)
4566	{
4567	#ifdef DEBUG
4568	WriteLog("SurfRestore\n");
4569	#endif
4570
4571	return(DD_OK);
4572	}
4573	//******************************************************************************
4574	//******************************************************************************
4575	HRESULT __stdcall SurfSetClipper(THIS This, LPDIRECTDRAWCLIPPER lpClipper)
4576	{
4577	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4578
4579	#ifdef DEBUG
4580	WriteLog("SurfSetClipper\n");
4581	#endif
4582
4583	if(lpClipper == NULL)
4584	{
4585	//deattach surface
4586	if(me->lpClipper)
4587	{
4588	me->lpClipper->Vtbl.Release((IDirectDrawClipper*)me->lpClipper);
4589	me->lpClipper = NULL;
4590	return(DD_OK);
4591	}
4592	else
4593	return(DDERR_NOCLIPPERATTACHED);
4594	}
4595
4596	if(lpClipper == (LPDIRECTDRAWCLIPPER)me->lpClipper)
4597	return(DD_OK); //already attached
4598
4599	if(me->lpClipper != NULL)
4600	{
4601	me->lpClipper->Vtbl.Release((IDirectDrawClipper*)me->lpClipper); //attach other surface
4602	return(DD_OK);
4603	}
4604
4605	me->lpClipper = (OS2IDirectDrawClipper *)lpClipper;
4606	me->lpClipper->Vtbl.AddRef((IDirectDrawClipper*)me->lpClipper);
4607
4608	return(DD_OK);
4609	}
4610	//******************************************************************************
4611	//******************************************************************************
4612	HRESULT __stdcall SurfSetColorKey(THIS This, DWORD dwFlags, LPDDCOLORKEY lpDDColKey)
4613	{
4614	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4615	HRESULT rc;
4616	#ifdef DEBUG
4617	WriteLog("SurfSetColorKey\n");
4618	#endif
4619
4620	if (0==dwFlags)
4621	return (DDERR_INVALIDPARAMS);
4622
4623	// as we report only src colorkey in the caps return error on all others flags
4624	if( (DDCKEY_DESTBLT\|DDCKEY_DESTOVERLAY\|DDCKEY_SRCOVERLAY\|DDCKEY_COLORSPACE) & dwFlags)
4625	return(DDERR_UNSUPPORTED);
4626
4627	if(DDCKEY_SRCBLT & dwFlags)
4628	{
4629	me->lpVtbl->ChangeUniquenessValue(me); // we changed somethin so change this value
4630	if(NULL!=lpDDColKey)
4631	{
4632	memcpy(&(me->DDSurfaceDesc.ddckCKSrcBlt), lpDDColKey, sizeof(DDCOLORKEY) );
4633	me->DDSurfaceDesc.dwFlags \|= DDCKEY_SRCBLT;
4634
4635	// ToDo: Generate a maskbitmap for transparent blitting here
4636	}
4637	else
4638	{
4639	memset(&(me->DDSurfaceDesc.ddckCKSrcBlt), 0, sizeof(DDCOLORKEY) );
4640	me->DDSurfaceDesc.dwFlags &= ~DDCKEY_SRCBLT;
4641	}
4642	rc = DD_OK;
4643	}
4644	else
4645	rc = DDERR_INVALIDPARAMS; // some other flags where set => error
4646
4647	return rc;
4648	}
4649	//******************************************************************************
4650	//******************************************************************************
4651	HRESULT __stdcall SurfSetOverlayPosition(THIS This, LONG lX, LONG lY)
4652	{
4653	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4654
4655	#ifdef DEBUG
4656	WriteLog("SurfSetOverlayPosition\n");
4657	#endif
4658
4659	if( (me->DDSurfaceDesc.dwFlags & DDSD_CAPS) &&
4660	(me->DDSurfaceDesc.ddsCaps.dwCaps & DDSCAPS_OVERLAY) )
4661	{
4662	if(me->fOverlayValid)
4663	return(DDERR_NOOVERLAYDEST);
4664
4665	if(!(me->DDSurfaceDesc.dwFlags & DDSCAPS_VISIBLE))
4666	return(DDERR_OVERLAYNOTVISIBLE);
4667
4668	// ToDo: If we implement alignment restricions to the Overlay position
4669	// check if the new values are OK otherwiese return DDERR_INVALIDPOSITION
4670
4671	me->lOverlayX = lX;
4672	me->lOverlayY = lY;
4673	return(DD_OK);
4674	}
4675
4676	return(DDERR_NOTAOVERLAYSURFACE);
4677	}
4678	//******************************************************************************
4679	//******************************************************************************
4680	HRESULT __stdcall SurfSetPalette(THIS This, LPDIRECTDRAWPALETTE lpPalette)
4681	{
4682	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4683
4684	#ifdef DEBUG
4685	WriteLog("SurfSetPalette\n");
4686	#endif
4687
4688	if(lpPalette == NULL)
4689	{
4690	//deattach palette
4691	if(me->lpPalette)
4692	{
4693	// If removed from a primary surface notify
4694	// palette that it is no longer attached to the
4695	// primary surface => doesn't modify physical palette
4696	if(me->surfaceType & DDSCAPS_PRIMARYSURFACE)
4697	{
4698	me->lpPalette->SetIsPrimary(FALSE);
4699	}
4700	me->lpPalette->Vtbl.Release((IDirectDrawPalette*)me->lpPalette);
4701	me->lpPalette = NULL;
4702	return(DD_OK);
4703	}
4704	else
4705	return(DDERR_NOPALETTEATTACHED);
4706	}
4707
4708	if(lpPalette == (LPDIRECTDRAWPALETTE)me->lpPalette)
4709	return(DD_OK); //already attached
4710
4711	if(me->lpPalette != NULL)
4712	{
4713	me->lpPalette->Vtbl.Release((IDirectDrawPalette*)me->lpPalette); //attach other palette
4714	return(DD_OK);
4715	}
4716	me->lpPalette = (OS2IDirectDrawPalette *)lpPalette;
4717	me->lpPalette->Vtbl.AddRef((IDirectDrawPalette*)me->lpPalette);
4718
4719	// If Attached to a primary surface notify
4720	// palette that it is attached to the primary surface
4721	// => It does modify physical palette.
4722	// This is important as an palette can be attached to
4723	// multiple surfaces. If one is the primary surface
4724	// changes done to it via any surface must result in
4725	// changes in the phys pal.
4726
4727	if(me->surfaceType & DDSCAPS_PRIMARYSURFACE)
4728	{
4729	me->lpPalette->SetIsPrimary(TRUE);
4730	}
4731	me->lpVtbl->ChangeUniquenessValue(me);
4732
4733	return(DD_OK);
4734	}
4735	//******************************************************************************
4736	//******************************************************************************
4737	HRESULT __stdcall SurfUnlock(THIS This, LPVOID lpSurfaceData)
4738	{
4739
4740	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4741	int i;
4742	DDRectangle pIRectUnlock, pIRectEnum;
4743	BOOL Found = FALSE;
4744	OS2RECTL CCRect;
4745	HRESULT rc;
4746
4747	#ifdef DEBUG
4748	WriteLog("SurfUnlock at %08X\n",lpSurfaceData);
4749	#endif
4750
4751	if(me->fLocked == FALSE)
4752	{
4753	#ifdef DEBUG
4754	WriteLog("Surface not locked!\n");
4755	#endif
4756	return(DDERR_NOTLOCKED);
4757	}
4758
4759	#ifdef DEBUG
4760	WriteLog("Start Emuneration of Locked Rects\n");
4761	#endif
4762
4763	i=0;
4764	if(NULL!=lpSurfaceData)
4765	{
4766	WriteLog("Buffer Pointer Compare");
4767
4768	// We got a pinter to the surface memory so we must search for
4769	// this pointer in the locked rects DPA to unlock the right rect.
4770
4771	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4772	{
4773	pIRectEnum = (DDRectangle*)DPA_FastGetPtr(me->DPA_LockedRects,i);
4774	WriteLog( "Test with Rectangle %d (%d/%d) x (%d/%d) Mem at %08X\n",
4775	i,
4776	pIRectEnum->Top(),
4777	pIRectEnum->Left(),
4778	pIRectEnum->Bottom(),
4779	pIRectEnum->Right(),
4780	pIRectEnum->GetMemPtr() );
4781
4782	Found = ( pIRectEnum->GetMemPtr() == lpSurfaceData);
4783	if(!Found)
4784	{
4785	#ifdef DEBUG
4786	WriteLog("Not Found, try Next rect\n");
4787	#endif
4788	i++;
4789	}
4790	#ifdef DEBUG
4791	else
4792	{
4793	WriteLog("Found Rect\n");
4794	}
4795	#endif
4796	}
4797	}
4798	else
4799	{
4800	// If a NULL pointer was passed in the SW tries to unlock the
4801	// complete surface so we must compare the rects.
4802	WriteLog("Rectangle compare");
4803
4804	pIRectUnlock = new DDRectangle( 0, 0, me->height, me->width);
4805
4806	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4807	{
4808	pIRectEnum = (DDRectangle*)DPA_FastGetPtr(me->DPA_LockedRects,i);
4809	WriteLog( "Test with Rectangle %d (%d/%d) x (%d/%d) Mem at %08X\n",
4810	i,
4811	pIRectEnum->Top(),
4812	pIRectEnum->Left(),
4813	pIRectEnum->Bottom(),
4814	pIRectEnum->Right(),
4815	pIRectEnum->GetMemPtr() );
4816
4817	Found = (pIRectEnum == pIRectUnlock);
4818	if(!Found)
4819	{
4820	#ifdef DEBUG
4821	WriteLog("Not Found, try Next rect\n");
4822	#endif
4823	i++;
4824	}
4825	#ifdef DEBUG
4826	else
4827	{
4828	WriteLog("Found Rect\n");
4829	}
4830	#endif
4831	}
4832	delete pIRectUnlock;
4833	}
4834
4835	if(!Found)
4836	{
4837	#ifdef DEBUG
4838	WriteLog("Rectangle not locked, wrong Rect!\n\n");
4839	#endif
4840	rc = DDERR_INVALIDRECT;
4841	}
4842	else
4843	{
4844	#ifdef DEBUG
4845	WriteLog("Remove Rect %d from Seq.\n",i);
4846	#endif
4847
4848	DPA_DeletePtr(me->DPA_LockedRects,i);
4849
4850	#ifdef DEBUG
4851	WriteLog("Test if locked Rects main\n");
4852	#endif
4853
4854	if(0==DPA_GetPtrCount(me->DPA_LockedRects)) // Do we have unlocked last rectangle
4855	{
4856	#ifdef DEBUG
4857	WriteLog("No Locked Rects left for surface\n");
4858	#endif
4859	me->fLocked = FALSE;
4860	}
4861	#ifdef DEBUG
4862	else
4863	WriteLog( "%d Rects in Seq\n",
4864	DPA_GetPtrCount(me->DPA_LockedRects));
4865	#endif
4866
4867	if(me->pFrameBuffer != me->pDiveBuffer)
4868	{
4869	#ifdef DEBUG
4870	WriteLog( "ColorConversion Needed %08X != %08X\n",
4871	me->pFrameBuffer,
4872	me->pDiveBuffer);
4873	#endif
4874	if(NULL!=lpSurfaceData)
4875	{
4876	CCRect.yTop = pIRectEnum->Top();
4877	CCRect.xLeft = pIRectEnum->Left();
4878	CCRect.xRight = pIRectEnum->Right();
4879	CCRect.yBottom = pIRectEnum->Bottom();
4880
4881	me->ColorConversion( (LPRECT)&CCRect);
4882	}
4883	else
4884	{
4885	me->ColorConversion(NULL);
4886	}
4887	}
4888	#ifdef DEBUG
4889	else
4890	WriteLog( "No ColorConversion Needed");
4891	#endif
4892
4893	// delete tne DDRectobject of the found rectangle
4894	delete pIRectEnum;
4895
4896	me->lpVtbl->ChangeUniquenessValue(me);
4897
4898	WriteLog("Unlock OK\n\n");
4899
4900	rc = DD_OK;
4901	}
4902
4903	return rc;
4904	}
4905	//******************************************************************************
4906	//******************************************************************************
4907	HRESULT __stdcall SurfUnlock4(THIS This, LPRECT lpSurfaceRect)
4908	{
4909	// MS changed the parameter from LPVOID to LPRECT with DX6
4910	// as DX-6 allways returns a DDSurface4 on create surface this
4911	// is a problem i not NULL is passed in.
4912	// Solution We first test with the pointer ns assuming a rectangle
4913	// if we don't find a rect Which is very likely if we get a pointer
4914	// SurfaceMemory we call SurfUnlock and test for the pointer there.
4915
4916
4917	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
4918	int i;
4919	DDRectangle pIRectUnlock, pIRectEnum;
4920	BOOL Found = FALSE;
4921	HRESULT rc;
4922
4923	#ifdef DEBUG
4924	WriteLog("SurfUnlock4\n");
4925	#endif
4926
4927	if(me->fLocked == FALSE)
4928	{
4929	#ifdef DEBUG
4930	WriteLog("Surface not locked!\n");
4931	#endif
4932	return(DDERR_NOTLOCKED);
4933	}
4934
4935	if(NULL!=lpSurfaceRect)
4936	{
4937	WriteLog("Unlock rectangle\n");
4938	pIRectUnlock = new DDRectangle( lpSurfaceRect->top,
4939	lpSurfaceRect->left,
4940	lpSurfaceRect->bottom,
4941	lpSurfaceRect->right);
4942	}
4943	else
4944	{
4945	WriteLog("Unlock complete surface\n");
4946	pIRectUnlock = new DDRectangle( 0, 0, me->height, me->width);
4947	}
4948
4949	WriteLog( "Try to Unlock Rectangle (%d/%d) x (%d/%d)\n",
4950	pIRectUnlock->Top(),
4951	pIRectUnlock->Left(),
4952	pIRectUnlock->Bottom(),
4953	pIRectUnlock->Right() );
4954
4955	#ifdef DEBUG
4956	WriteLog("Start Emuneration of Locked Rects\n");
4957	#endif
4958
4959	i=0;
4960	while(i<DPA_GetPtrCount(me->DPA_LockedRects) && !Found)
4961	{
4962	pIRectEnum = (DDRectangle*)DPA_FastGetPtr(me->DPA_LockedRects,i);
4963	WriteLog( "Test with Rectangle (%d/%d) x (%d/%d)\n",
4964	pIRectEnum->Top(),
4965	pIRectEnum->Left(),
4966	pIRectEnum->Bottom(),
4967	pIRectEnum->Right() );
4968
4969	Found = (pIRectEnum == pIRectUnlock);
4970	if(!Found)
4971	{
4972	#ifdef DEBUG
4973	WriteLog("Not Found, try Next rect\n");
4974	#endif
4975	i++;
4976	}
4977	#ifdef DEBUG
4978	else
4979	{
4980	WriteLog("Found Rect\n");
4981	}
4982	#endif
4983	}
4984
4985	if(!Found)
4986	{
4987
4988	if(NULL==lpSurfaceRect)
4989	{
4990	#ifdef DEBUG
4991	WriteLog("Rectangle not locked, wrong Rect!\n\n");
4992	#endif
4993	return(DDERR_INVALIDRECT);
4994	}
4995	else
4996	rc = SurfUnlock(This, (LPVOID)lpSurfaceRect);
4997	}
4998	else
4999	{
5000	#ifdef DEBUG
5001	WriteLog("Remove Rect from Seq.\n");
5002	#endif
5003
5004	DPA_DeletePtr(me->DPA_LockedRects,i);
5005
5006	if(0==DPA_GetPtrCount(me->DPA_LockedRects)) // Do we have unlocked last rectangle
5007	{
5008	#ifdef DEBUG
5009	WriteLog("No Locked Rects left for surface\n");
5010	#endif
5011	me->fLocked = FALSE;
5012	}
5013
5014	if(me->pFrameBuffer != me->pDiveBuffer)
5015	{
5016	#ifdef DEBUG
5017	WriteLog( "ColorConversion Needed %08X != %08X\n",
5018	me->pFrameBuffer,
5019	me->pDiveBuffer);
5020	#endif
5021	me->ColorConversion(lpSurfaceRect);
5022	}
5023
5024	me->lpVtbl->ChangeUniquenessValue(me);
5025
5026	WriteLog("Unlock OK\n\n");
5027	rc = DD_OK;
5028	}
5029
5030	return rc;
5031	}
5032	//******************************************************************************
5033	//******************************************************************************
5034	HRESULT __stdcall SurfUpdateOverlay(THIS This, LPRECT, LPDIRECTDRAWSURFACE2,LPRECT,DWORD, LPDDOVERLAYFX)
5035	{
5036	#ifdef DEBUG
5037	WriteLog("SurfUpdateOverlay\n");
5038	#endif
5039	return(DD_OK);
5040	}
5041	//******************************************************************************
5042	//******************************************************************************
5043	HRESULT __stdcall SurfUpdateOverlay4(THIS, LPRECT, LPDIRECTDRAWSURFACE4,LPRECT,DWORD, LPDDOVERLAYFX)
5044	{
5045	#ifdef DEBUG
5046	WriteLog("SurfUpdateOverlay\n");
5047	#endif
5048	return(DD_OK);
5049	}
5050	//******************************************************************************
5051	//******************************************************************************
5052	HRESULT __stdcall SurfUpdateOverlayDisplay(THIS, DWORD)
5053	{
5054	#ifdef DEBUG
5055	WriteLog("SurfUpdateOverlayDisplay\n");
5056	#endif
5057	return(DD_OK);
5058	}
5059	//******************************************************************************
5060	//******************************************************************************
5061	HRESULT __stdcall SurfUpdateOverlayZOrder(THIS, DWORD, LPDIRECTDRAWSURFACE2)
5062	{
5063	#ifdef DEBUG
5064	WriteLog("SurfUpdateOverlayZOrder\n");
5065	#endif
5066	return(DD_OK);
5067	}
5068	//******************************************************************************
5069	//******************************************************************************
5070	HRESULT __stdcall SurfUpdateOverlayZOrder4(THIS, DWORD, LPDIRECTDRAWSURFACE4)
5071	{
5072	#ifdef DEBUG
5073	WriteLog("SurfUpdateOverlayZOrder4\n");
5074	#endif
5075	return(DD_OK);
5076	}
5077	//******************************************************************************
5078	//******************************************************************************
5079	HRESULT __stdcall SurfGetDDInterface(THIS This, LPVOID FAR *lplpDirectDraw)
5080	{
5081	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5082
5083	#ifdef DEBUG
5084	WriteLog("SurfGetDDInterface\n");
5085	#endif
5086	lplpDirectDraw = (LPVOID FAR )me->lpDraw;
5087	return(DD_OK);
5088	}
5089	//******************************************************************************
5090	//******************************************************************************
5091	HRESULT __stdcall SurfPageLock(THIS, DWORD)
5092	{
5093	// Only used for DMA memory access
5094	// If we implement this for the None dive buffers with a pdd the we must change
5095	// from malloc to DosAllocMem and use OBJ_TILE flag
5096	#ifdef DEBUG
5097	WriteLog("SurfPageLock\n");
5098	#endif
5099	return(DD_OK);
5100	}
5101	//******************************************************************************
5102	//******************************************************************************
5103	HRESULT __stdcall SurfPageUnlock(THIS, DWORD)
5104	{
5105	#ifdef DEBUG
5106	WriteLog("SurfPageUnlock\n");
5107	#endif
5108	return(DD_OK);
5109	}
5110	//******************************************************************************
5111	//******************************************************************************
5112	// V3 Interface Functions
5113
5114	HRESULT __stdcall SurfSetSurfaceDesc(THIS This, LPDDSURFACEDESC lpSurfDesc, DWORD dwFlags)
5115	{
5116	#ifdef DEBUG
5117	WriteLog("SurfSetSurfaceDesc\n");
5118	#endif
5119
5120	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5121	if ( (NULL==lpSurfDesc) \|\| (dwFlags!=0) )
5122	return DDERR_INVALIDPARAMS;
5123
5124	// Is this ok ? Not sure if Front/BackBuffer should be handled like the Primary one.
5125	// if ( ( DDSCAPS_PRIMARYSURFACE == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5126	// ( DDSCAPS_FRONTBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5127	// ( DDSCAPS_BACKBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) )
5128	if(-1==me->diveBufNr)
5129	return DDERR_INVALIDSURFACETYPE; // only work for system alloced surfaces
5130
5131	if (!me->Updated)
5132	{
5133	me->Updated = TRUE;
5134	// free our allocated Memory
5135	if(me->DDSurfaceDesc.dwFlags & DDSD_LPSURFACE)
5136	free(me->DDSurfaceDesc.lpSurface);
5137	}
5138	me->lpVtbl->ChangeUniquenessValue(me);
5139	memcpy((char )&(me->DDSurfaceDesc), (char )lpSurfDesc, sizeof(DDSURFACEDESC));
5140
5141	return DD_OK;
5142	}
5143	//******************************************************************************
5144	//******************************************************************************
5145	HRESULT __stdcall SurfSetSurfaceDesc4(THIS This, LPDDSURFACEDESC2 lpSurfDesc, DWORD dwFlags)
5146	{
5147	#ifdef DEBUG
5148	WriteLog("SurfSetSurfaceDesc4\n");
5149	#endif
5150
5151	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5152	if ( (NULL==lpSurfDesc) \|\| (dwFlags!=0) )
5153	return DDERR_INVALIDPARAMS;
5154
5155	// Is this ok ? Not sure if Front/BackBuffer should be handled like the Primary one.
5156	// if ( ( DDSCAPS_PRIMARYSURFACE == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5157	// ( DDSCAPS_FRONTBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) \|\|
5158	// ( DDSCAPS_BACKBUFFER == me->DDSurfaceDesc.ddsCaps.dwCaps) )
5159	if(-1==me->diveBufNr)
5160	return DDERR_INVALIDSURFACETYPE; // only work for system alloced surfaces
5161
5162	if (!me->Updated)
5163	{
5164	me->Updated = TRUE;
5165	// free our allocated Memory
5166	if(me->DDSurfaceDesc.dwFlags & DDSD_LPSURFACE)
5167	free(me->DDSurfaceDesc.lpSurface);
5168	}
5169	me->lpVtbl->ChangeUniquenessValue(me);
5170	memcpy((char )&(me->DDSurfaceDesc), (char )lpSurfDesc, sizeof(DDSURFACEDESC2));
5171
5172	return DD_OK;
5173	}
5174	//******************************************************************************
5175	//******************************************************************************
5176	// V4 Interface Functions
5177
5178	HRESULT __stdcall SurfSetPrivateData(THIS This, REFGUID refGUID, LPVOID lpData,
5179	DWORD dwDataSize, DWORD dwFlags)
5180	{
5181	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5182	int i;
5183	PSURFPRIVATEDATA pSData;
5184	void *pBuffer;
5185	BOOL bFound = FALSE;
5186	HRESULT rc;
5187
5188	#ifdef DEBUG
5189	WriteLog("SurfSetPrivateData\n");
5190	#endif
5191
5192	if(NULL==me)
5193	return(DDERR_INVALIDOBJECT);
5194
5195	if((NULL==lpData)\|\|(0==dwDataSize)\|\|
5196	(dwFlags & ~(DDSPD_IUNKNOWNPOINTER\|DDSPD_VOLATILE)))
5197	return(DDERR_INVALIDPARAMS);
5198
5199	// first check if the refGUID is stored as then the content will be updated
5200	if( DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0 )
5201	{
5202	i=0;
5203	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData) && !bFound)
5204	{
5205	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5206
5207	if (IsEqualGUID(pSData->guidTag,refGUID))
5208	bFound = TRUE;
5209
5210	i++;
5211	}
5212	}
5213
5214	if(bFound)
5215	{
5216	// update Private Data
5217
5218	if (!pSData->isValid)
5219	{
5220	// Current data is invalid we need to update/allocate
5221
5222	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5223	{
5224	pSData->pData = lpData;
5225	pSData->dwSize = 4;
5226	pSData->dwFlags = dwFlags;
5227	pSData->isValid = TRUE;
5228	((OS2IDirectDrawSurface *) lpData)->lpVtbl->AddRef(lpData);
5229	}
5230	else
5231	{
5232	pSData->pData = malloc(dwDataSize);
5233	if(NULL!=pSData->pData)
5234	{
5235	memcpy(pSData->pData,lpData,dwDataSize);
5236	pSData->dwSize = dwDataSize;
5237	pSData->dwFlags = dwFlags;
5238	pSData->isValid = TRUE;
5239	}
5240	else
5241	{
5242	delete pSData;
5243	rc = DDERR_OUTOFMEMORY;
5244	}
5245	}
5246	}
5247	else
5248	{
5249	if(pSData->dwFlags & DDSPD_IUNKNOWNPOINTER)
5250	{
5251	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5252	{
5253	if(pSData->pData != lpData)
5254	{
5255	// Change of IUNKOWNPOINTER => release old and add ref to new one
5256	((OS2IDirectDrawSurface *)pSData->pData)->lpVtbl->Release(pSData->pData);
5257	((OS2IDirectDrawSurface *)lpData)->lpVtbl->AddRef(lpData);
5258	pSData->pData = lpData;
5259	}
5260	pSData->dwFlags = dwFlags; // Update the flags, size is the same
5261	}
5262	else
5263	{
5264	// Replace IUNKOWN through data
5265	pBuffer = malloc(dwDataSize); // get new buffer first
5266	if(NULL!=pBuffer)
5267	{
5268	// release old ref and copy data
5269	((OS2IDirectDrawSurface *)pSData->pData)->lpVtbl->Release(pSData->pData);
5270	memcpy(pBuffer,lpData,dwDataSize);
5271	pSData->pData = pBuffer;
5272	pSData->dwSize = dwDataSize; // Update the size
5273	pSData->dwFlags = dwFlags; // Update the flags
5274	}
5275	else
5276	rc = DDERR_OUTOFMEMORY;
5277	}
5278	}
5279	else
5280	{
5281	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5282	{
5283	// Change of data to IUNKOWNPOINTER => free old memory and add ref to new one
5284	free(pSData->pData);
5285	((OS2IDirectDrawSurface *)lpData)->lpVtbl->AddRef(lpData);
5286	pSData->pData = lpData;
5287	pSData->dwSize = dwDataSize; // Update the size
5288	pSData->dwFlags = dwFlags; // Update the flags
5289	}
5290	else
5291	{
5292	// Update/Replace data
5293	if(pSData->dwSize!=dwDataSize)
5294	pBuffer = realloc(pSData->pData,dwDataSize); // update buffer to new size
5295	else
5296	pBuffer = pSData->pData;
5297
5298	if(NULL!=pBuffer)
5299	{
5300	// release old ref and copy data
5301	memcpy(pBuffer,lpData,dwDataSize);
5302	pSData->pData = pBuffer;
5303	pSData->dwSize = dwDataSize; // Update the size
5304	pSData->dwFlags = dwFlags; // Update the flags
5305	}
5306	else
5307	rc = DDERR_OUTOFMEMORY;
5308	}
5309	}
5310	}
5311	}
5312	else
5313	{
5314	// New data
5315
5316	pSData = new(SURFPRIVATEDATA);
5317	if (NULL!=pSData)
5318	{
5319	if(dwFlags & DDSPD_IUNKNOWNPOINTER)
5320	{
5321	memcpy(&(pSData->guidTag),&refGUID,sizeof(GUID));
5322	pSData->pData = lpData;
5323	pSData->dwSize = 4;
5324	pSData->dwFlags = dwFlags;
5325	pSData->isValid = TRUE;
5326	((OS2IDirectDrawSurface *)lpData)->lpVtbl->AddRef(lpData);
5327	}
5328	else
5329	{
5330	pSData->pData = malloc(dwDataSize);
5331	if(NULL!=pSData->pData)
5332	{
5333	memcpy(&(pSData->guidTag),&refGUID,sizeof(GUID));
5334	memcpy(pSData->pData,lpData,dwDataSize);
5335	pSData->dwSize = dwDataSize;
5336	pSData->dwFlags = dwFlags;
5337	pSData->isValid = TRUE;
5338
5339	if( DPA_InsertPtr( me->DPA_SurfacePrivateData,
5340	DPA_GetPtrCount(me->DPA_SurfacePrivateData),
5341	pSData) <0)
5342	{
5343	delete(pSData);
5344	rc = DDERR_OUTOFMEMORY;
5345	}
5346	}
5347	else
5348	{
5349	delete(pSData);
5350	rc = DDERR_OUTOFMEMORY;
5351	}
5352	}
5353
5354	}
5355	else
5356	rc = DDERR_OUTOFMEMORY;
5357	}
5358
5359	return rc;
5360	}
5361	//******************************************************************************
5362	//******************************************************************************
5363	HRESULT __stdcall SurfGetPrivateData(THIS This, REFGUID refGUID, LPVOID lpData, LPDWORD lpDataSize)
5364	{
5365	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5366	int i;
5367	PSURFPRIVATEDATA pSData;
5368	HRESULT rc;
5369	BOOL bFound = FALSE;
5370
5371	#ifdef DEBUG
5372	WriteLog("SurfGetPrivateData\n");
5373	#endif
5374
5375	if(NULL==me)
5376	return(DDERR_INVALIDOBJECT);
5377
5378	if((NULL==lpData)\|\|(NULL==lpDataSize))
5379	return(DDERR_INVALIDPARAMS);
5380
5381	if(DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0)
5382	{
5383	i=0;
5384	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData) && !bFound)
5385	{
5386	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5387
5388	if (IsEqualGUID(pSData->guidTag,refGUID))
5389	bFound = TRUE;
5390
5391	i++;
5392	}
5393	}
5394
5395	if(bFound)
5396	{
5397	if(!pSData->isValid)
5398	{
5399	rc =DDERR_EXPIRED;
5400	}
5401	else
5402	{
5403	if(pSData->dwSize > *lpDataSize)
5404	{
5405	// Buffer to small return needed Size
5406	*lpDataSize = pSData->dwSize;
5407	rc = DDERR_MOREDATA;
5408	}
5409	else
5410	{
5411	memcpy(lpData,pSData->pData,pSData->dwSize);
5412	rc = DD_OK;
5413	}
5414	}
5415	}
5416	else
5417	rc = DDERR_NOTFOUND;
5418
5419
5420	return rc;
5421	}
5422	//******************************************************************************
5423	//******************************************************************************
5424	HRESULT __stdcall SurfFreePrivateData(THIS This, REFGUID refGUID)
5425	{
5426	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5427	int i;
5428	PSURFPRIVATEDATA pSData;
5429	BOOL bFound = FALSE;
5430
5431	#ifdef DEBUG
5432	WriteLog("SurfFreePrivateData\n");
5433	#endif
5434
5435	if(NULL==me)
5436	return(DDERR_INVALIDOBJECT);
5437
5438	if(DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0)
5439	{
5440	i=0;
5441	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData) && !bFound)
5442	{
5443	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5444
5445	if (IsEqualGUID(pSData->guidTag,refGUID))
5446	{
5447	bFound = TRUE;
5448
5449	if(pSData->isValid)
5450	{
5451	// delete the data if valid
5452	if (pSData->dwFlags & DDSPD_IUNKNOWNPOINTER)
5453	{
5454	// pointer to com stored so calll its release
5455	((OS2IDirectDrawSurface *) pSData->pData)->lpVtbl->Release(pSData->pData);
5456	}
5457	else
5458	{
5459	// Free allocated data
5460	free( pSData->pData);
5461	}
5462	}
5463	// Now remove the entry from the list
5464	DPA_DeletePtr(me->DPA_SurfacePrivateData,i);
5465	}
5466	i++;
5467	}
5468	}
5469
5470	return (bFound?DD_OK:DDERR_NOTFOUND);
5471	}
5472	//******************************************************************************
5473	//******************************************************************************
5474	HRESULT __stdcall SurfGetUniquenessValue(THIS This, LPDWORD lpValue)
5475	{
5476	#ifdef DEBUG
5477	WriteLog("SurfGetUniquenessValue\n");
5478	#endif
5479	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5480	if (NULL==lpValue)
5481	return DDERR_INVALIDPARAMS;
5482
5483	*lpValue = me->dwUniqueValue;
5484	return DD_OK;
5485	}
5486	//******************************************************************************
5487	//******************************************************************************
5488	HRESULT __stdcall SurfChangeUniquenessValue(THIS This)
5489	{
5490	OS2IDirectDrawSurface me = (OS2IDirectDrawSurface )This;
5491	int i;
5492	PSURFPRIVATEDATA pSData;
5493
5494
5495	#ifdef DEBUG
5496	WriteLog("SurfChangeUniquenessValue\n");
5497	#endif
5498	me->dwUniqueValue++;
5499
5500	if(DPA_GetPtrCount(me->DPA_SurfacePrivateData)>0)
5501	{
5502	i=0;
5503	while(i<DPA_GetPtrCount(me->DPA_SurfacePrivateData))
5504	{
5505	pSData = (PSURFPRIVATEDATA) DPA_FastGetPtr(me->DPA_SurfacePrivateData,i);
5506	if (pSData->dwFlags & DDSPD_VOLATILE)
5507	{
5508	// Data becomes unvalid after a Surface change
5509	if (pSData->dwFlags & DDSPD_IUNKNOWNPOINTER)
5510	{
5511	// pointer to com stored so call its release
5512	((OS2IDirectDrawSurface *) pSData->pData)->lpVtbl->Release(pSData->pData);
5513	}
5514	else
5515	{
5516	// Free allocated data
5517	free( pSData->pData);
5518	}
5519	pSData->pData = NULL;
5520	pSData->isValid = FALSE; // set flag to invalid
5521	}
5522	i++;
5523	}
5524	}
5525
5526	return (DD_OK);
5527	}
5528
5529	//******************************************************************************
5530	//
5531	// Purpose function copies one part of the bitmap inside the same bitmap
5532	//
5533	//******************************************************************************
5534
5535	void __cdecl MoveRects(char* pBuffer, LPRECT lpDestRect, LPRECT lpSrcRect, int bpp, LONG lPitch)
5536	{
5537
5538	char pBltPos, pSrcPos;
5539	int BlitWidth,BlitHeight;
5540	static char Scanline[6400]; // sufficient for 1600 at 32 bit
5541
5542	// Bridge, we may got a problem ;)
5543	// Check for Overlapping Rects
5544
5545	pBltPos = pBuffer;
5546	pSrcPos = pBuffer;
5547
5548	if(lpDestRect->top <= lpSrcRect->top)
5549	{
5550	// +-------+ +-------+ +-------+
5551	// \|S \| \|S \| \|S \| +---+---+---+
5552	// \| +---\|---+ +-------+ +---\|---+ \| \|S/D\|D/S\| \|
5553	// \| \| D \| \| \| D \| \| D \| \| \| \| \| \| \|
5554	// +-------+ \| +-------+ \| +-------+ \| \| \| \|
5555	// \| \| \| \| \| \| +---+---+---+
5556	// +-------+ +-------+ +-------+
5557	//
5558	// We got one of the above cases (or no overlapping) so copy from bottom up
5559
5560	pBltPos += (lpDestRect->left * bpp) + lPitch * lpDestRect->top;
5561	pSrcPos += (lpSrcRect->left * bpp) + lPitch * (lpSrcRect->bottom-1);
5562	BlitHeight = lpDestRect->bottom - lpDestRect->top;
5563	BlitWidth = (lpDestRect->right - lpDestRect->left) * bpp;
5564
5565	while(1)
5566	{
5567	memcpy(Scanline,pSrcPos,BlitWidth);
5568	memcpy(pBltPos,Scanline,BlitWidth);
5569	pBltPos += lPitch;
5570	pSrcPos -= lPitch;
5571	if(! (--BlitHeight))
5572	break;
5573	}
5574	}
5575	else
5576	{
5577	// +-------+ +-------+ +-------+
5578	// \| D \| \| D \| \| D \|
5579	// \| +---\|---+ +-------+ +---\|---+ \|
5580	// \| \|S \| \| \|S \| \|S \| \| \|
5581	// +-------+ \| +-------+ \| +-------+
5582	// \| \| \| \| \| \|
5583	// +-------+ +-------+ +-------+
5584	//
5585	// We got one of the above cases so copy top down
5586
5587	pBltPos += (lpDestRect->left * bpp) + lPitch * lpDestRect->top;
5588	pSrcPos += (lpSrcRect->left * bpp) + lPitch * lpSrcRect->top;
5589	BlitHeight = lpDestRect->bottom - lpDestRect->top;
5590	BlitWidth = (lpDestRect->right - lpDestRect->left) * bpp;
5591
5592	while(1)
5593	{
5594	memcpy(Scanline,pSrcPos,BlitWidth);
5595	memcpy(pBltPos,Scanline,BlitWidth);
5596	pBltPos += lPitch;
5597	pSrcPos += lPitch;
5598	if(! (--BlitHeight))
5599	break;
5600	}
5601	}
5602
5603	}
5604
5605	//******************************************************************************
5606	//
5607	// Purpose : Do a blit using the precalced Transbuffer
5608	// That is the only way to do fast blits if a colorrange is used
5609	// and we can find totally transparent lines and don't blit them
5610	// and detect if the part of the line is transparent
5611	//
5612	// Idea for a kind of mask buffer
5613	// Format of Transparentbuffer (each line):
5614	// the first DWORD contains 2 WORDS with Offset of First Non transparent
5615	// pixel in the low word and the last non transparent pixel in a row in
5616	// the high word. => 0 = line totally transparent!
5617	// This limits the max supported width to 2^16 but I thing this is enougth
5618	// The size per line is 1+((Width+31) & ~31) DWORDS => each Bit represents
5619	// 1 pixel
5620	//
5621	// TransparentBufferCreate(lpDDSurfaceDesc->dwWidth, lpDDSurfaceDesc->dwHeight);
5622	//
5623	// Layout of a DWORD:
5624	// UUVVWWXX dword is processed LS Byte FIRST ...
5625	// Each bit in a byte stands for one pixel. MS Bit First
5626	//
5627	// example: Bitmap (16x5) (X= opaque, . = Transparent)
5628	// ...XX...XX....XX
5629	// ..XXXX....XXXX..
5630	// ................
5631	// .........XXXXXX.
5632	// ...XX...X......X
5633	//
5634	// Transparent buffer (2DWORDS) per line
5635	//
5636	// 0x00100003, 0x0000C318
5637	// 0x000E0002, 0x00003C3C
5638	// 0x00000000, 0x00000000
5639	// 0x000F000A, 0x00007E00
5640	// 0x00100003, 0x00008118
5641	//******************************************************************************
5642
5643	void __cdecl TransSRCBlit8(LPDDSURFACEDESC2 pDestDesc, LPDDSURFACEDESC2 pSrcDesc, char *pAlpha, LPRECT lpSrcRect)
5644	{
5645	DWORD *pdwTLine; // pointer to the transparent buffer
5646	DWORD dwTLineLen; // # of DWORDS in each tBuffer line
5647	DWORD dwTLineStart; // # DWORD in which the first transinfo is
5648	DWORD dwTDWStart; // byte in which the firs transinfo is
5649	DWORD dwTrans; // current transparentvalue
5650	DWORD BlitWidth;
5651	dwTLineLen = 1 + ((pSrcDesc->dwWidth + 31) & ~31);
5652	pdwTLine = (DWORD)pAlpha + (dwTLineLen lpSrcRect->top);
5653	dwTLineStart = 1+(lpSrcRect->left/32);
5654	dwTDWStart = (lpSrcRect->left+8)/8;
5655	}
5656
5657

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