surface_base.c@ 33252

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1	/*
2	* IWineD3DSurface Implementation of management(non-rendering) functions
3	*
4	* Copyright 1998 Lionel Ulmer
5	* Copyright 2000-2001 TransGaming Technologies Inc.
6	* Copyright 2002-2005 Jason Edmeades
7	* Copyright 2002-2003 Raphael Junqueira
8	* Copyright 2004 Christian Costa
9	* Copyright 2005 Oliver Stieber
10	* Copyright 2006-2008 Stefan Dösinger for CodeWeavers
11	* Copyright 2007 Henri Verbeet
12	* Copyright 2006-2007 Roderick Colenbrander
13	* Copyright 2009 Henri Verbeet for CodeWeavers
14	*
15	* This library is free software; you can redistribute it and/or
16	* modify it under the terms of the GNU Lesser General Public
17	* License as published by the Free Software Foundation; either
18	* version 2.1 of the License, or (at your option) any later version.
19	*
20	* This library is distributed in the hope that it will be useful,
21	* but WITHOUT ANY WARRANTY; without even the implied warranty of
22	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23	* Lesser General Public License for more details.
24	*
25	* You should have received a copy of the GNU Lesser General Public
26	* License along with this library; if not, write to the Free Software
27	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
28	*/
29
30	/*
31	* Sun LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
32	* other than GPL or LGPL is available it will apply instead, Sun elects to use only
33	* the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
34	* a choice of LGPL license versions is made available with the language indicating
35	* that LGPLv2 or any later version may be used, or where a choice of which version
36	* of the LGPL is applied is otherwise unspecified.
37	*/
38
39	#include "config.h"
40	#include "wine/port.h"
41	#include "wined3d_private.h"
42
43	WINE_DEFAULT_DEBUG_CHANNEL(d3d_surface);
44
45	/* See also float_16_to_32() in wined3d_private.h */
46	static inline unsigned short float_32_to_16(const float *in)
47	{
48	int exp = 0;
49	float tmp = fabs(*in);
50	unsigned int mantissa;
51	unsigned short ret;
52
53	/* Deal with special numbers */
54	if (*in == 0.0f) return 0x0000;
55	if(_isnan(*in)) return 0x7C01;
56	if(!_finite(in)) return (in < 0.0f ? 0xFC00 : 0x7c00);
57
58	if(tmp < pow(2, 10)) {
59	do
60	{
61	tmp = tmp * 2.0f;
62	exp--;
63	}while(tmp < pow(2, 10));
64	} else if(tmp >= pow(2, 11)) {
65	do
66	{
67	tmp /= 2.0f;
68	exp++;
69	}while(tmp >= pow(2, 11));
70	}
71
72	mantissa = (unsigned int) tmp;
73	if(tmp - mantissa >= 0.5f) mantissa++; /* round to nearest, away from zero */
74
75	exp += 10; /* Normalize the mantissa */
76	exp += 15; /* Exponent is encoded with excess 15 */
77
78	if(exp > 30) { /* too big */
79	ret = 0x7c00; /* INF */
80	} else if(exp <= 0) {
81	/* exp == 0: Non-normalized mantissa. Returns 0x0000 (=0.0) for too small numbers */
82	while(exp <= 0) {
83	mantissa = mantissa >> 1;
84	exp++;
85	}
86	ret = mantissa & 0x3ff;
87	} else {
88	ret = (exp << 10) \| (mantissa & 0x3ff);
89	}
90
91	ret \|= ((in < 0.0f ? 1 : 0) << 15); / Add the sign */
92	return ret;
93	}
94
95
96	/* Do NOT define GLINFO_LOCATION in this file. THIS CODE MUST NOT USE IT */
97
98	/* *******************************************
99	IWineD3DSurface IUnknown parts follow
100	******************************************* */
101	HRESULT WINAPI IWineD3DBaseSurfaceImpl_QueryInterface(IWineD3DSurface iface, REFIID riid, LPVOID ppobj)
102	{
103	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
104	/* Warn ,but be nice about things */
105	TRACE("(%p)->(%s,%p)\n", This,debugstr_guid(riid),ppobj);
106
107	if (IsEqualGUID(riid, &IID_IUnknown)
108	\|\| IsEqualGUID(riid, &IID_IWineD3DBase)
109	\|\| IsEqualGUID(riid, &IID_IWineD3DResource)
110	\|\| IsEqualGUID(riid, &IID_IWineD3DSurface)) {
111	IUnknown_AddRef((IUnknown*)iface);
112	*ppobj = This;
113	return S_OK;
114	}
115	*ppobj = NULL;
116	return E_NOINTERFACE;
117	}
118
119	ULONG WINAPI IWineD3DBaseSurfaceImpl_AddRef(IWineD3DSurface *iface) {
120	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
121	ULONG ref = InterlockedIncrement(&This->resource.ref);
122	TRACE("(%p) : AddRef increasing from %d\n", This,ref - 1);
123	return ref;
124	}
125
126	/* ****************************************************
127	IWineD3DSurface IWineD3DResource parts follow
128	**************************************************** */
129	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetPrivateData(IWineD3DSurface iface, REFGUID refguid, CONST void pData, DWORD SizeOfData, DWORD Flags) {
130	return resource_set_private_data((IWineD3DResource *)iface, refguid, pData, SizeOfData, Flags);
131	}
132
133	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetPrivateData(IWineD3DSurface iface, REFGUID refguid, void pData, DWORD* pSizeOfData) {
134	return resource_get_private_data((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
135	}
136
137	HRESULT WINAPI IWineD3DBaseSurfaceImpl_FreePrivateData(IWineD3DSurface *iface, REFGUID refguid) {
138	return resource_free_private_data((IWineD3DResource *)iface, refguid);
139	}
140
141	DWORD WINAPI IWineD3DBaseSurfaceImpl_SetPriority(IWineD3DSurface *iface, DWORD PriorityNew) {
142	return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
143	}
144
145	DWORD WINAPI IWineD3DBaseSurfaceImpl_GetPriority(IWineD3DSurface *iface) {
146	return resource_get_priority((IWineD3DResource *)iface);
147	}
148
149	WINED3DRESOURCETYPE WINAPI IWineD3DBaseSurfaceImpl_GetType(IWineD3DSurface *iface) {
150	TRACE("(%p) : calling resourceimpl_GetType\n", iface);
151	return resource_get_type((IWineD3DResource *)iface);
152	}
153
154	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetParent(IWineD3DSurface iface, IUnknown *pParent) {
155	TRACE("(%p) : calling resourceimpl_GetParent\n", iface);
156	return resource_get_parent((IWineD3DResource *)iface, pParent);
157	}
158
159	/* ******************************************************
160	IWineD3DSurface IWineD3DSurface parts follow
161	****************************************************** */
162
163	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetContainer(IWineD3DSurface* iface, REFIID riid, void** ppContainer) {
164	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
165	IWineD3DBase *container = 0;
166
167	TRACE("(This %p, riid %s, ppContainer %p)\n", This, debugstr_guid(riid), ppContainer);
168
169	if (!ppContainer) {
170	ERR("Called without a valid ppContainer.\n");
171	}
172
173	/* Standalone surfaces return the device as container. */
174	if (This->container) container = This->container;
175	else container = (IWineD3DBase *)This->resource.device;
176
177	TRACE("Relaying to QueryInterface\n");
178	return IUnknown_QueryInterface(container, riid, ppContainer);
179	}
180
181	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetDesc(IWineD3DSurface iface, WINED3DSURFACE_DESC pDesc) {
182	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
183
184	TRACE("(%p) : copying into %p\n", This, pDesc);
185
186	pDesc->format = This->resource.format_desc->format;
187	pDesc->resource_type = This->resource.resourceType;
188	pDesc->usage = This->resource.usage;
189	pDesc->pool = This->resource.pool;
190	pDesc->size = This->resource.size; /* dx8 only */
191	pDesc->multisample_type = This->currentDesc.MultiSampleType;
192	pDesc->multisample_quality = This->currentDesc.MultiSampleQuality;
193	pDesc->width = This->currentDesc.Width;
194	pDesc->height = This->currentDesc.Height;
195
196	return WINED3D_OK;
197	}
198
199	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetBltStatus(IWineD3DSurface *iface, DWORD Flags)
200	{
201	TRACE("iface %p, flags %#x.\n", iface, Flags);
202
203	switch (Flags)
204	{
205	case WINEDDGBS_CANBLT:
206	case WINEDDGBS_ISBLTDONE:
207	return WINED3D_OK;
208
209	default:
210	return WINED3DERR_INVALIDCALL;
211	}
212	}
213
214	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetFlipStatus(IWineD3DSurface *iface, DWORD Flags) {
215	/* XXX: DDERR_INVALIDSURFACETYPE */
216
217	TRACE("(%p)->(%08x)\n",iface,Flags);
218	switch (Flags) {
219	case WINEDDGFS_CANFLIP:
220	case WINEDDGFS_ISFLIPDONE:
221	return WINED3D_OK;
222
223	default:
224	return WINED3DERR_INVALIDCALL;
225	}
226	}
227
228	HRESULT WINAPI IWineD3DBaseSurfaceImpl_IsLost(IWineD3DSurface *iface) {
229	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
230	TRACE("(%p)\n", This);
231
232	/* D3D8 and 9 loose full devices, ddraw only surfaces */
233	return This->Flags & SFLAG_LOST ? WINED3DERR_DEVICELOST : WINED3D_OK;
234	}
235
236	HRESULT WINAPI IWineD3DBaseSurfaceImpl_Restore(IWineD3DSurface *iface) {
237	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
238	TRACE("(%p)\n", This);
239
240	/* So far we don't lose anything :) */
241	This->Flags &= ~SFLAG_LOST;
242	return WINED3D_OK;
243	}
244
245	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetPalette(IWineD3DSurface iface, IWineD3DPalette Pal) {
246	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
247	IWineD3DPaletteImpl PalImpl = (IWineD3DPaletteImpl ) Pal;
248	TRACE("(%p)->(%p)\n", This, Pal);
249
250	if(This->palette == PalImpl) {
251	TRACE("Nop palette change\n");
252	return WINED3D_OK;
253	}
254
255	if(This->palette != NULL)
256	if(This->resource.usage & WINED3DUSAGE_RENDERTARGET)
257	This->palette->Flags &= ~WINEDDPCAPS_PRIMARYSURFACE;
258
259	This->palette = PalImpl;
260
261	if(PalImpl != NULL) {
262	if(This->resource.usage & WINED3DUSAGE_RENDERTARGET) {
263	(PalImpl)->Flags \|= WINEDDPCAPS_PRIMARYSURFACE;
264	}
265
266	return IWineD3DSurface_RealizePalette(iface);
267	}
268	else return WINED3D_OK;
269	}
270
271	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetColorKey(IWineD3DSurface iface, DWORD Flags, const WINEDDCOLORKEY CKey)
272	{
273	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
274	TRACE("(%p)->(%08x,%p)\n", This, Flags, CKey);
275
276	if ((Flags & WINEDDCKEY_COLORSPACE) != 0) {
277	FIXME(" colorkey value not supported (%08x) !\n", Flags);
278	return WINED3DERR_INVALIDCALL;
279	}
280
281	/* Dirtify the surface, but only if a key was changed */
282	if(CKey) {
283	switch (Flags & ~WINEDDCKEY_COLORSPACE) {
284	case WINEDDCKEY_DESTBLT:
285	This->DestBltCKey = *CKey;
286	This->CKeyFlags \|= WINEDDSD_CKDESTBLT;
287	break;
288
289	case WINEDDCKEY_DESTOVERLAY:
290	This->DestOverlayCKey = *CKey;
291	This->CKeyFlags \|= WINEDDSD_CKDESTOVERLAY;
292	break;
293
294	case WINEDDCKEY_SRCOVERLAY:
295	This->SrcOverlayCKey = *CKey;
296	This->CKeyFlags \|= WINEDDSD_CKSRCOVERLAY;
297	break;
298
299	case WINEDDCKEY_SRCBLT:
300	This->SrcBltCKey = *CKey;
301	This->CKeyFlags \|= WINEDDSD_CKSRCBLT;
302	break;
303	}
304	}
305	else {
306	switch (Flags & ~WINEDDCKEY_COLORSPACE) {
307	case WINEDDCKEY_DESTBLT:
308	This->CKeyFlags &= ~WINEDDSD_CKDESTBLT;
309	break;
310
311	case WINEDDCKEY_DESTOVERLAY:
312	This->CKeyFlags &= ~WINEDDSD_CKDESTOVERLAY;
313	break;
314
315	case WINEDDCKEY_SRCOVERLAY:
316	This->CKeyFlags &= ~WINEDDSD_CKSRCOVERLAY;
317	break;
318
319	case WINEDDCKEY_SRCBLT:
320	This->CKeyFlags &= ~WINEDDSD_CKSRCBLT;
321	break;
322	}
323	}
324
325	return WINED3D_OK;
326	}
327
328	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetPalette(IWineD3DSurface iface, IWineD3DPalette *Pal) {
329	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
330	TRACE("(%p)->(%p)\n", This, Pal);
331
332	Pal = (IWineD3DPalette ) This->palette;
333	return WINED3D_OK;
334	}
335
336	DWORD WINAPI IWineD3DBaseSurfaceImpl_GetPitch(IWineD3DSurface *iface) {
337	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
338	const struct wined3d_format_desc *format_desc = This->resource.format_desc;
339	DWORD ret;
340	TRACE("(%p)\n", This);
341
342	if (format_desc->Flags & WINED3DFMT_FLAG_COMPRESSED)
343	{
344	/* Since compressed formats are block based, pitch means the amount of
345	* bytes to the next row of block rather than the next row of pixels. */
346	UINT row_block_count = (This->currentDesc.Width + format_desc->block_width - 1) / format_desc->block_width;
347	ret = row_block_count * format_desc->block_byte_count;
348	}
349	else
350	{
351	unsigned char alignment = This->resource.device->surface_alignment;
352	ret = This->resource.format_desc->byte_count * This->currentDesc.Width; /* Bytes / row */
353	ret = (ret + alignment - 1) & ~(alignment - 1);
354	}
355	TRACE("(%p) Returning %d\n", This, ret);
356	return ret;
357	}
358
359	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetOverlayPosition(IWineD3DSurface *iface, LONG X, LONG Y) {
360	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
361	LONG w, h;
362
363	TRACE("(%p)->(%d,%d) Stub!\n", This, X, Y);
364
365	if(!(This->resource.usage & WINED3DUSAGE_OVERLAY))
366	{
367	TRACE("(%p): Not an overlay surface\n", This);
368	return WINEDDERR_NOTAOVERLAYSURFACE;
369	}
370
371	w = This->overlay_destrect.right - This->overlay_destrect.left;
372	h = This->overlay_destrect.bottom - This->overlay_destrect.top;
373	This->overlay_destrect.left = X;
374	This->overlay_destrect.top = Y;
375	This->overlay_destrect.right = X + w;
376	This->overlay_destrect.bottom = Y + h;
377
378	IWineD3DSurface_DrawOverlay(iface);
379
380	return WINED3D_OK;
381	}
382
383	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetOverlayPosition(IWineD3DSurface iface, LONG X, LONG *Y) {
384	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
385	HRESULT hr;
386
387	TRACE("(%p)->(%p,%p)\n", This, X, Y);
388
389	if(!(This->resource.usage & WINED3DUSAGE_OVERLAY))
390	{
391	TRACE("(%p): Not an overlay surface\n", This);
392	return WINEDDERR_NOTAOVERLAYSURFACE;
393	}
394	if(This->overlay_dest == NULL) {
395	X = 0; Y = 0;
396	hr = WINEDDERR_OVERLAYNOTVISIBLE;
397	} else {
398	*X = This->overlay_destrect.left;
399	*Y = This->overlay_destrect.top;
400	hr = WINED3D_OK;
401	}
402
403	TRACE("Returning 0x%08x, position %d, %d\n", hr, X, Y);
404	return hr;
405	}
406
407	HRESULT WINAPI IWineD3DBaseSurfaceImpl_UpdateOverlayZOrder(IWineD3DSurface iface, DWORD Flags, IWineD3DSurface Ref) {
408	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
409
410	FIXME("iface %p, flags %#x, ref %p stub!\n", iface, Flags, Ref);
411
412	if(!(This->resource.usage & WINED3DUSAGE_OVERLAY))
413	{
414	TRACE("(%p): Not an overlay surface\n", This);
415	return WINEDDERR_NOTAOVERLAYSURFACE;
416	}
417
418	return WINED3D_OK;
419	}
420
421	HRESULT WINAPI IWineD3DBaseSurfaceImpl_UpdateOverlay(IWineD3DSurface iface, const RECT SrcRect,
422	IWineD3DSurface DstSurface, const RECT DstRect, DWORD Flags, const WINEDDOVERLAYFX *FX)
423	{
424	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
425	IWineD3DSurfaceImpl Dst = (IWineD3DSurfaceImpl ) DstSurface;
426	TRACE("(%p)->(%p, %p, %p, %08x, %p)\n", This, SrcRect, Dst, DstRect, Flags, FX);
427
428	if(!(This->resource.usage & WINED3DUSAGE_OVERLAY))
429	{
430	WARN("(%p): Not an overlay surface\n", This);
431	return WINEDDERR_NOTAOVERLAYSURFACE;
432	} else if(!DstSurface) {
433	WARN("(%p): Dest surface is NULL\n", This);
434	return WINED3DERR_INVALIDCALL;
435	}
436
437	if(SrcRect) {
438	This->overlay_srcrect = *SrcRect;
439	} else {
440	This->overlay_srcrect.left = 0;
441	This->overlay_srcrect.top = 0;
442	This->overlay_srcrect.right = This->currentDesc.Width;
443	This->overlay_srcrect.bottom = This->currentDesc.Height;
444	}
445
446	if(DstRect) {
447	This->overlay_destrect = *DstRect;
448	} else {
449	This->overlay_destrect.left = 0;
450	This->overlay_destrect.top = 0;
451	This->overlay_destrect.right = Dst ? Dst->currentDesc.Width : 0;
452	This->overlay_destrect.bottom = Dst ? Dst->currentDesc.Height : 0;
453	}
454
455	if(This->overlay_dest && (This->overlay_dest != Dst \|\| Flags & WINEDDOVER_HIDE)) {
456	list_remove(&This->overlay_entry);
457	}
458
459	if(Flags & WINEDDOVER_SHOW) {
460	if(This->overlay_dest != Dst) {
461	This->overlay_dest = Dst;
462	list_add_tail(&Dst->overlays, &This->overlay_entry);
463	}
464	} else if(Flags & WINEDDOVER_HIDE) {
465	/* tests show that the rectangles are erased on hide */
466	This->overlay_srcrect.left = 0; This->overlay_srcrect.top = 0;
467	This->overlay_srcrect.right = 0; This->overlay_srcrect.bottom = 0;
468	This->overlay_destrect.left = 0; This->overlay_destrect.top = 0;
469	This->overlay_destrect.right = 0; This->overlay_destrect.bottom = 0;
470	This->overlay_dest = NULL;
471	}
472
473	IWineD3DSurface_DrawOverlay(iface);
474
475	return WINED3D_OK;
476	}
477
478	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetClipper(IWineD3DSurface iface, IWineD3DClipper clipper)
479	{
480	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
481	TRACE("(%p)->(%p)\n", This, clipper);
482
483	This->clipper = clipper;
484	return WINED3D_OK;
485	}
486
487	HRESULT WINAPI IWineD3DBaseSurfaceImpl_GetClipper(IWineD3DSurface iface, IWineD3DClipper *clipper)
488	{
489	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
490	TRACE("(%p)->(%p)\n", This, clipper);
491
492	*clipper = This->clipper;
493	if(*clipper) {
494	IWineD3DClipper_AddRef(*clipper);
495	}
496	return WINED3D_OK;
497	}
498
499	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetContainer(IWineD3DSurface iface, IWineD3DBase container) {
500	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
501
502	TRACE("This %p, container %p\n", This, container);
503
504	/* We can't keep a reference to the container, since the container already keeps a reference to us. */
505
506	TRACE("Setting container to %p from %p\n", container, This->container);
507	This->container = container;
508
509	return WINED3D_OK;
510	}
511
512	HRESULT WINAPI IWineD3DBaseSurfaceImpl_SetFormat(IWineD3DSurface *iface, WINED3DFORMAT format) {
513	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
514	const struct wined3d_format_desc *format_desc = getFormatDescEntry(format,
515	&This->resource.device->adapter->gl_info);
516
517	if (This->resource.format_desc->format != WINED3DFMT_UNKNOWN)
518	{
519	FIXME("(%p) : The format of the surface must be WINED3DFORMAT_UNKNOWN\n", This);
520	return WINED3DERR_INVALIDCALL;
521	}
522
523	TRACE("(%p) : Setting texture format to (%d,%s)\n", This, format, debug_d3dformat(format));
524
525	This->resource.size = surface_calculate_size(format_desc, This->resource.device->surface_alignment,
526	This->pow2Width, This->pow2Height);
527
528	This->Flags \|= (WINED3DFMT_D16_LOCKABLE == format) ? SFLAG_LOCKABLE : 0;
529
530	This->resource.format_desc = format_desc;
531
532	TRACE("(%p) : Size %d, bytesPerPixel %d\n", This, This->resource.size, format_desc->byte_count);
533
534	return WINED3D_OK;
535	}
536
537	HRESULT IWineD3DBaseSurfaceImpl_CreateDIBSection(IWineD3DSurface *iface) {
538	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
539	const struct wined3d_format_desc *format_desc = This->resource.format_desc;
540	int extraline = 0;
541	SYSTEM_INFO sysInfo;
542	BITMAPINFO* b_info;
543	HDC ddc;
544	DWORD *masks;
545	UINT usage;
546
547	if(!(format_desc->Flags & WINED3DFMT_FLAG_GETDC))
548	{
549	WARN("Cannot use GetDC on a %s surface\n", debug_d3dformat(format_desc->format));
550	return WINED3DERR_INVALIDCALL;
551	}
552
553	switch (format_desc->byte_count)
554	{
555	case 2:
556	case 4:
557	/* Allocate extra space to store the RGB bit masks. */
558	b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD));
559	break;
560
561	case 3:
562	b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER));
563	break;
564
565	default:
566	/* Allocate extra space for a palette. */
567	b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
568	sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * (1 << (format_desc->byte_count * 8)));
569	break;
570	}
571
572	if (!b_info)
573	return E_OUTOFMEMORY;
574
575	/* Some apps access the surface in via DWORDs, and do not take the necessary care at the end of the
576	* surface. So we need at least extra 4 bytes at the end of the surface. Check against the page size,
577	* if the last page used for the surface has at least 4 spare bytes we're safe, otherwise
578	* add an extra line to the dib section
579	*/
580	GetSystemInfo(&sysInfo);
581	if( ((This->resource.size + 3) % sysInfo.dwPageSize) < 4) {
582	extraline = 1;
583	TRACE("Adding an extra line to the dib section\n");
584	}
585
586	b_info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
587	/* TODO: Is there a nicer way to force a specific alignment? (8 byte for ddraw) */
588	b_info->bmiHeader.biWidth = IWineD3DSurface_GetPitch(iface) / format_desc->byte_count;
589	b_info->bmiHeader.biHeight = -This->currentDesc.Height -extraline;
590	b_info->bmiHeader.biSizeImage = ( This->currentDesc.Height + extraline) * IWineD3DSurface_GetPitch(iface);
591	b_info->bmiHeader.biPlanes = 1;
592	b_info->bmiHeader.biBitCount = format_desc->byte_count * 8;
593
594	b_info->bmiHeader.biXPelsPerMeter = 0;
595	b_info->bmiHeader.biYPelsPerMeter = 0;
596	b_info->bmiHeader.biClrUsed = 0;
597	b_info->bmiHeader.biClrImportant = 0;
598
599	/* Get the bit masks */
600	masks = (DWORD *)b_info->bmiColors;
601	switch (This->resource.format_desc->format)
602	{
603	case WINED3DFMT_B8G8R8_UNORM:
604	usage = DIB_RGB_COLORS;
605	b_info->bmiHeader.biCompression = BI_RGB;
606	break;
607
608	case WINED3DFMT_B5G5R5X1_UNORM:
609	case WINED3DFMT_B5G5R5A1_UNORM:
610	case WINED3DFMT_B4G4R4A4_UNORM:
611	case WINED3DFMT_B4G4R4X4_UNORM:
612	case WINED3DFMT_B2G3R3_UNORM:
613	case WINED3DFMT_B2G3R3A8_UNORM:
614	case WINED3DFMT_R10G10B10A2_UNORM:
615	case WINED3DFMT_R8G8B8A8_UNORM:
616	case WINED3DFMT_R8G8B8X8_UNORM:
617	case WINED3DFMT_B10G10R10A2_UNORM:
618	case WINED3DFMT_B5G6R5_UNORM:
619	case WINED3DFMT_R16G16B16A16_UNORM:
620	usage = 0;
621	b_info->bmiHeader.biCompression = BI_BITFIELDS;
622	masks[0] = format_desc->red_mask;
623	masks[1] = format_desc->green_mask;
624	masks[2] = format_desc->blue_mask;
625	break;
626
627	default:
628	/* Don't know palette */
629	b_info->bmiHeader.biCompression = BI_RGB;
630	usage = 0;
631	break;
632	}
633
634	ddc = GetDC(0);
635	if (ddc == 0) {
636	HeapFree(GetProcessHeap(), 0, b_info);
637	return HRESULT_FROM_WIN32(GetLastError());
638	}
639
640	TRACE("Creating a DIB section with size %dx%dx%d, size=%d\n", b_info->bmiHeader.biWidth, b_info->bmiHeader.biHeight, b_info->bmiHeader.biBitCount, b_info->bmiHeader.biSizeImage);
641	This->dib.DIBsection = CreateDIBSection(ddc, b_info, usage, &This->dib.bitmap_data, 0 /* Handle /, 0 / Offset */);
642	ReleaseDC(0, ddc);
643
644	if (!This->dib.DIBsection) {
645	ERR("CreateDIBSection failed!\n");
646	HeapFree(GetProcessHeap(), 0, b_info);
647	return HRESULT_FROM_WIN32(GetLastError());
648	}
649
650	TRACE("DIBSection at : %p\n", This->dib.bitmap_data);
651	/* copy the existing surface to the dib section */
652	if(This->resource.allocatedMemory) {
653	memcpy(This->dib.bitmap_data, This->resource.allocatedMemory, This->currentDesc.Height * IWineD3DSurface_GetPitch(iface));
654	} else {
655	/* This is to make LockRect read the gl Texture although memory is allocated */
656	This->Flags &= ~SFLAG_INSYSMEM;
657	}
658	This->dib.bitmap_size = b_info->bmiHeader.biSizeImage;
659
660	HeapFree(GetProcessHeap(), 0, b_info);
661
662	/* Now allocate a HDC */
663	This->hDC = CreateCompatibleDC(0);
664	This->dib.holdbitmap = SelectObject(This->hDC, This->dib.DIBsection);
665	TRACE("using wined3d palette %p\n", This->palette);
666	SelectPalette(This->hDC,
667	This->palette ? This->palette->hpal : 0,
668	FALSE);
669
670	This->Flags \|= SFLAG_DIBSECTION;
671
672	HeapFree(GetProcessHeap(), 0, This->resource.heapMemory);
673	This->resource.heapMemory = NULL;
674
675	return WINED3D_OK;
676	}
677
678	static void convert_r32_float_r16_float(const BYTE src, BYTE dst, DWORD pitch_in, DWORD pitch_out,
679	unsigned int w, unsigned int h)
680	{
681	unsigned int x, y;
682	const float *src_f;
683	unsigned short *dst_s;
684
685	TRACE("Converting %dx%d pixels, pitches %d %d\n", w, h, pitch_in, pitch_out);
686	for(y = 0; y < h; y++) {
687	src_f = (const float )(src + y pitch_in);
688	dst_s = (unsigned short ) (dst + y pitch_out);
689	for(x = 0; x < w; x++) {
690	dst_s[x] = float_32_to_16(src_f + x);
691	}
692	}
693	}
694
695	static void convert_r5g6b5_x8r8g8b8(const BYTE src, BYTE dst,
696	DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
697	{
698	static const unsigned char convert_5to8[] =
699	{
700	0x00, 0x08, 0x10, 0x19, 0x21, 0x29, 0x31, 0x3a,
701	0x42, 0x4a, 0x52, 0x5a, 0x63, 0x6b, 0x73, 0x7b,
702	0x84, 0x8c, 0x94, 0x9c, 0xa5, 0xad, 0xb5, 0xbd,
703	0xc5, 0xce, 0xd6, 0xde, 0xe6, 0xef, 0xf7, 0xff,
704	};
705	static const unsigned char convert_6to8[] =
706	{
707	0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, 0x18, 0x1c,
708	0x20, 0x24, 0x28, 0x2d, 0x31, 0x35, 0x39, 0x3d,
709	0x41, 0x45, 0x49, 0x4d, 0x51, 0x55, 0x59, 0x5d,
710	0x61, 0x65, 0x69, 0x6d, 0x71, 0x75, 0x79, 0x7d,
711	0x82, 0x86, 0x8a, 0x8e, 0x92, 0x96, 0x9a, 0x9e,
712	0xa2, 0xa6, 0xaa, 0xae, 0xb2, 0xb6, 0xba, 0xbe,
713	0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd7, 0xdb, 0xdf,
714	0xe3, 0xe7, 0xeb, 0xef, 0xf3, 0xf7, 0xfb, 0xff,
715	};
716	unsigned int x, y;
717
718	TRACE("Converting %ux%u pixels, pitches %u %u\n", w, h, pitch_in, pitch_out);
719
720	for (y = 0; y < h; ++y)
721	{
722	const WORD src_line = (const WORD )(src + y * pitch_in);
723	DWORD dst_line = (DWORD )(dst + y * pitch_out);
724	for (x = 0; x < w; ++x)
725	{
726	WORD pixel = src_line[x];
727	dst_line[x] = 0xff000000
728	\| convert_5to8[(pixel & 0xf800) >> 11] << 16
729	\| convert_6to8[(pixel & 0x07e0) >> 5] << 8
730	\| convert_5to8[(pixel & 0x001f)];
731	}
732	}
733	}
734
735	static void convert_a8r8g8b8_x8r8g8b8(const BYTE src, BYTE dst,
736	DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
737	{
738	unsigned int x, y;
739
740	TRACE("Converting %ux%u pixels, pitches %u %u\n", w, h, pitch_in, pitch_out);
741
742	for (y = 0; y < h; ++y)
743	{
744	const DWORD src_line = (const DWORD )(src + y * pitch_in);
745	DWORD dst_line = (DWORD )(dst + y * pitch_out);
746
747	for (x = 0; x < w; ++x)
748	{
749	dst_line[x] = 0xff000000 \| (src_line[x] & 0xffffff);
750	}
751	}
752	}
753
754	static inline BYTE cliptobyte(int x)
755	{
756	return (BYTE) ((x < 0) ? 0 : ((x > 255) ? 255 : x));
757	}
758
759	static void convert_yuy2_x8r8g8b8(const BYTE src, BYTE dst,
760	DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
761	{
762	unsigned int x, y;
763	int c2, d, e, r2 = 0, g2 = 0, b2 = 0;
764
765	TRACE("Converting %ux%u pixels, pitches %u %u\n", w, h, pitch_in, pitch_out);
766
767	for (y = 0; y < h; ++y)
768	{
769	const BYTE src_line = src + y pitch_in;
770	DWORD dst_line = (DWORD )(dst + y * pitch_out);
771	for (x = 0; x < w; ++x)
772	{
773	/* YUV to RGB conversion formulas from http://en.wikipedia.org/wiki/YUV:
774	* C = Y - 16; D = U - 128; E = V - 128;
775	* R = cliptobyte((298 * C + 409 * E + 128) >> 8);
776	* G = cliptobyte((298 * C - 100 * D - 208 * E + 128) >> 8);
777	* B = cliptobyte((298 * C + 516 * D + 128) >> 8);
778	* Two adjacent YUY2 pixels are stored as four bytes: Y0 U Y1 V .
779	* U and V are shared between the pixels.
780	*/
781	if (!(x & 1)) /* for every even pixel, read new U and V */
782	{
783	d = (int) src_line[1] - 128;
784	e = (int) src_line[3] - 128;
785	r2 = 409 * e + 128;
786	g2 = - 100 * d - 208 * e + 128;
787	b2 = 516 * d + 128;
788	}
789	c2 = 298 * ((int) src_line[0] - 16);
790	dst_line[x] = 0xff000000
791	\| cliptobyte((c2 + r2) >> 8) << 16 /* red */
792	\| cliptobyte((c2 + g2) >> 8) << 8 /* green */
793	\| cliptobyte((c2 + b2) >> 8); /* blue */
794	/* Scale RGB values to 0..255 range,
795	* then clip them if still not in range (may be negative),
796	* then shift them within DWORD if necessary.
797	*/
798	src_line += 2;
799	}
800	}
801	}
802
803	struct d3dfmt_convertor_desc {
804	WINED3DFORMAT from, to;
805	void (convert)(const BYTE src, BYTE *dst, DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h);
806	};
807
808	static const struct d3dfmt_convertor_desc convertors[] =
809	{
810	{WINED3DFMT_R32_FLOAT, WINED3DFMT_R16_FLOAT, convert_r32_float_r16_float},
811	{WINED3DFMT_B5G6R5_UNORM, WINED3DFMT_B8G8R8X8_UNORM, convert_r5g6b5_x8r8g8b8},
812	{WINED3DFMT_B8G8R8A8_UNORM, WINED3DFMT_B8G8R8X8_UNORM, convert_a8r8g8b8_x8r8g8b8},
813	{WINED3DFMT_YUY2, WINED3DFMT_B8G8R8X8_UNORM, convert_yuy2_x8r8g8b8},
814	};
815
816	static inline const struct d3dfmt_convertor_desc *find_convertor(WINED3DFORMAT from, WINED3DFORMAT to)
817	{
818	unsigned int i;
819	for(i = 0; i < (sizeof(convertors) / sizeof(convertors[0])); i++) {
820	if(convertors[i].from == from && convertors[i].to == to) {
821	return &convertors[i];
822	}
823	}
824	return NULL;
825	}
826
827	/*****************************************************************************
828	* surface_convert_format
829	*
830	* Creates a duplicate of a surface in a different format. Is used by Blt to
831	* blit between surfaces with different formats
832	*
833	* Parameters
834	* source: Source surface
835	* fmt: Requested destination format
836	*
837	*****************************************************************************/
838	static IWineD3DSurfaceImpl surface_convert_format(IWineD3DSurfaceImpl source, WINED3DFORMAT to_fmt) {
839	IWineD3DSurface *ret = NULL;
840	const struct d3dfmt_convertor_desc *conv;
841	WINED3DLOCKED_RECT lock_src, lock_dst;
842	HRESULT hr;
843
844	conv = find_convertor(source->resource.format_desc->format, to_fmt);
845	if(!conv) {
846	FIXME("Cannot find a conversion function from format %s to %s\n",
847	debug_d3dformat(source->resource.format_desc->format), debug_d3dformat(to_fmt));
848	return NULL;
849	}
850
851	#ifdef VBOX_WITH_WDDM
852	IWineD3DDevice_CreateSurface((IWineD3DDevice *)source->resource.device, source->currentDesc.Width,
853	source->currentDesc.Height, to_fmt, TRUE /* lockable /, TRUE / discard /, 0 / level */, &ret,
854	0 /* usage /, WINED3DPOOL_SCRATCH, WINED3DMULTISAMPLE_NONE / TODO: Multisampled conversion */,
855	0 /* MultiSampleQuality /, IWineD3DSurface_GetImplType((IWineD3DSurface ) source),
856	NULL /* parent */, &wined3d_null_parent_ops, NULL, NULL);
857	#else
858	IWineD3DDevice_CreateSurface((IWineD3DDevice *)source->resource.device, source->currentDesc.Width,
859	source->currentDesc.Height, to_fmt, TRUE /* lockable /, TRUE / discard /, 0 / level */, &ret,
860	0 /* usage /, WINED3DPOOL_SCRATCH, WINED3DMULTISAMPLE_NONE / TODO: Multisampled conversion */,
861	0 /* MultiSampleQuality /, IWineD3DSurface_GetImplType((IWineD3DSurface ) source),
862	NULL /* parent */, &wined3d_null_parent_ops);
863	#endif
864
865	if(!ret) {
866	ERR("Failed to create a destination surface for conversion\n");
867	return NULL;
868	}
869
870	memset(&lock_src, 0, sizeof(lock_src));
871	memset(&lock_dst, 0, sizeof(lock_dst));
872
873	hr = IWineD3DSurface_LockRect((IWineD3DSurface *) source, &lock_src, NULL, WINED3DLOCK_READONLY);
874	if(FAILED(hr)) {
875	ERR("Failed to lock the source surface\n");
876	IWineD3DSurface_Release(ret);
877	return NULL;
878	}
879	hr = IWineD3DSurface_LockRect(ret, &lock_dst, NULL, WINED3DLOCK_READONLY);
880	if(FAILED(hr)) {
881	ERR("Failed to lock the dest surface\n");
882	IWineD3DSurface_UnlockRect((IWineD3DSurface *) source);
883	IWineD3DSurface_Release(ret);
884	return NULL;
885	}
886
887	conv->convert(lock_src.pBits, lock_dst.pBits, lock_src.Pitch, lock_dst.Pitch,
888	source->currentDesc.Width, source->currentDesc.Height);
889
890	IWineD3DSurface_UnlockRect(ret);
891	IWineD3DSurface_UnlockRect((IWineD3DSurface *) source);
892
893	return (IWineD3DSurfaceImpl *) ret;
894	}
895
896	/*****************************************************************************
897	* _Blt_ColorFill
898	*
899	* Helper function that fills a memory area with a specific color
900	*
901	* Params:
902	* buf: memory address to start filling at
903	* width, height: Dimensions of the area to fill
904	* bpp: Bit depth of the surface
905	* lPitch: pitch of the surface
906	* color: Color to fill with
907	*
908	*****************************************************************************/
909	static HRESULT
910	_Blt_ColorFill(BYTE *buf,
911	int width, int height,
912	int bpp, LONG lPitch,
913	DWORD color)
914	{
915	int x, y;
916	LPBYTE first;
917
918	/* Do first row */
919
920	#define COLORFILL_ROW(type) \
921	{ \
922	type d = (type ) buf; \
923	for (x = 0; x < width; x++) \
924	d[x] = (type) color; \
925	break; \
926	}
927	switch(bpp)
928	{
929	case 1: COLORFILL_ROW(BYTE)
930	case 2: COLORFILL_ROW(WORD)
931	case 3:
932	{
933	BYTE *d = buf;
934	for (x = 0; x < width; x++,d+=3)
935	{
936	d[0] = (color ) & 0xFF;
937	d[1] = (color>> 8) & 0xFF;
938	d[2] = (color>>16) & 0xFF;
939	}
940	break;
941	}
942	case 4: COLORFILL_ROW(DWORD)
943	default:
944	FIXME("Color fill not implemented for bpp %d!\n", bpp*8);
945	return WINED3DERR_NOTAVAILABLE;
946	}
947
948	#undef COLORFILL_ROW
949
950	/* Now copy first row */
951	first = buf;
952	for (y = 1; y < height; y++)
953	{
954	buf += lPitch;
955	memcpy(buf, first, width * bpp);
956	}
957	return WINED3D_OK;
958	}
959
960	/*****************************************************************************
961	* IWineD3DSurface::Blt, SW emulation version
962	*
963	* Performs blits to a surface, eigher from a source of source-less blts
964	* This is the main functionality of DirectDraw
965	*
966	* Params:
967	* DestRect: Destination rectangle to write to
968	* SrcSurface: Source surface, can be NULL
969	* SrcRect: Source rectangle
970	*****************************************************************************/
971	HRESULT WINAPI IWineD3DBaseSurfaceImpl_Blt(IWineD3DSurface iface, const RECT DestRect, IWineD3DSurface *SrcSurface,
972	const RECT SrcRect, DWORD Flags, const WINEDDBLTFX DDBltFx, WINED3DTEXTUREFILTERTYPE Filter)
973	{
974	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
975	IWineD3DSurfaceImpl Src = (IWineD3DSurfaceImpl ) SrcSurface;
976	RECT xdst,xsrc;
977	HRESULT ret = WINED3D_OK;
978	WINED3DLOCKED_RECT dlock, slock;
979	int bpp, srcheight, srcwidth, dstheight, dstwidth, width;
980	const struct wined3d_format_desc sEntry, dEntry;
981	int x, y;
982	const BYTE *sbuf;
983	BYTE *dbuf;
984	TRACE("(%p)->(%p,%p,%p,%x,%p)\n", This, DestRect, Src, SrcRect, Flags, DDBltFx);
985
986	if (TRACE_ON(d3d_surface))
987	{
988	if (DestRect) TRACE("\tdestrect :%dx%d-%dx%d\n",
989	DestRect->left, DestRect->top, DestRect->right, DestRect->bottom);
990	if (SrcRect) TRACE("\tsrcrect :%dx%d-%dx%d\n",
991	SrcRect->left, SrcRect->top, SrcRect->right, SrcRect->bottom);
992	#if 0
993	TRACE("\tflags: ");
994	DDRAW_dump_DDBLT(Flags);
995	if (Flags & WINEDDBLT_DDFX)
996	{
997	TRACE("\tblitfx: ");
998	DDRAW_dump_DDBLTFX(DDBltFx->dwDDFX);
999	}
1000	#endif
1001	}
1002
1003	if ( (This->Flags & SFLAG_LOCKED) \|\| ((Src != NULL) && (Src->Flags & SFLAG_LOCKED)))
1004	{
1005	WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
1006	return WINEDDERR_SURFACEBUSY;
1007	}
1008
1009	if(Filter != WINED3DTEXF_NONE && Filter != WINED3DTEXF_POINT) {
1010	/* Can happen when d3d9 apps do a StretchRect call which isn't handled in gl */
1011	FIXME("Filters not supported in software blit\n");
1012	}
1013
1014	/* First check for the validity of source / destination rectangles. This was
1015	* verified using a test application + by MSDN.
1016	*/
1017	if ((Src != NULL) && (SrcRect != NULL) &&
1018	((SrcRect->bottom > Src->currentDesc.Height)\|\|(SrcRect->bottom < 0) \|\|
1019	(SrcRect->top > Src->currentDesc.Height)\|\|(SrcRect->top < 0) \|\|
1020	(SrcRect->left > Src->currentDesc.Width) \|\|(SrcRect->left < 0) \|\|
1021	(SrcRect->right > Src->currentDesc.Width) \|\|(SrcRect->right < 0) \|\|
1022	(SrcRect->right < SrcRect->left) \|\|(SrcRect->bottom < SrcRect->top)))
1023	{
1024	WARN("Application gave us bad source rectangle for Blt.\n");
1025	return WINEDDERR_INVALIDRECT;
1026	}
1027	/* For the Destination rect, it can be out of bounds on the condition that a clipper
1028	* is set for the given surface.
1029	*/
1030	if ((/This->clipper == NULL/ TRUE) && (DestRect) &&
1031	((DestRect->bottom > This->currentDesc.Height)\|\|(DestRect->bottom < 0) \|\|
1032	(DestRect->top > This->currentDesc.Height)\|\|(DestRect->top < 0) \|\|
1033	(DestRect->left > This->currentDesc.Width) \|\|(DestRect->left < 0) \|\|
1034	(DestRect->right > This->currentDesc.Width) \|\|(DestRect->right < 0) \|\|
1035	(DestRect->right < DestRect->left) \|\|(DestRect->bottom < DestRect->top)))
1036	{
1037	WARN("Application gave us bad destination rectangle for Blt without a clipper set.\n");
1038	return WINEDDERR_INVALIDRECT;
1039	}
1040
1041	/* Now handle negative values in the rectangles. Warning: only supported for now
1042	in the 'simple' cases (ie not in any stretching / rotation cases).
1043
1044	First, the case where nothing is to be done.
1045	*/
1046	if ((DestRect && ((DestRect->bottom <= 0) \|\| (DestRect->right <= 0) \|\|
1047	(DestRect->top >= (int) This->currentDesc.Height) \|\|
1048	(DestRect->left >= (int) This->currentDesc.Width))) \|\|
1049	((Src != NULL) && (SrcRect != NULL) &&
1050	((SrcRect->bottom <= 0) \|\| (SrcRect->right <= 0) \|\|
1051	(SrcRect->top >= (int) Src->currentDesc.Height) \|\|
1052	(SrcRect->left >= (int) Src->currentDesc.Width)) ))
1053	{
1054	TRACE("Nothing to be done !\n");
1055	return WINED3D_OK;
1056	}
1057
1058	if (DestRect)
1059	{
1060	xdst = *DestRect;
1061	}
1062	else
1063	{
1064	xdst.top = 0;
1065	xdst.bottom = This->currentDesc.Height;
1066	xdst.left = 0;
1067	xdst.right = This->currentDesc.Width;
1068	}
1069
1070	if (SrcRect)
1071	{
1072	xsrc = *SrcRect;
1073	}
1074	else
1075	{
1076	if (Src)
1077	{
1078	xsrc.top = 0;
1079	xsrc.bottom = Src->currentDesc.Height;
1080	xsrc.left = 0;
1081	xsrc.right = Src->currentDesc.Width;
1082	}
1083	else
1084	{
1085	memset(&xsrc,0,sizeof(xsrc));
1086	}
1087	}
1088
1089	/* The easy case : the source-less blits.... */
1090	if (Src == NULL && DestRect)
1091	{
1092	RECT full_rect;
1093	RECT temp_rect; /* No idea if intersect rect can be the same as one of the source rect */
1094
1095	full_rect.left = 0;
1096	full_rect.top = 0;
1097	full_rect.right = This->currentDesc.Width;
1098	full_rect.bottom = This->currentDesc.Height;
1099	IntersectRect(&temp_rect, &full_rect, DestRect);
1100	xdst = temp_rect;
1101	}
1102	else if (DestRect)
1103	{
1104	/* Only handle clipping on the destination rectangle */
1105	int clip_horiz = (DestRect->left < 0) \|\| (DestRect->right > (int) This->currentDesc.Width );
1106	int clip_vert = (DestRect->top < 0) \|\| (DestRect->bottom > (int) This->currentDesc.Height);
1107	if (clip_vert \|\| clip_horiz)
1108	{
1109	/* Now check if this is a special case or not... */
1110	if ((((DestRect->bottom - DestRect->top ) != (xsrc.bottom - xsrc.top )) && clip_vert ) \|\|
1111	(((DestRect->right - DestRect->left) != (xsrc.right - xsrc.left)) && clip_horiz) \|\|
1112	(Flags & WINEDDBLT_DDFX))
1113	{
1114	WARN("Out of screen rectangle in special case. Not handled right now.\n");
1115	return WINED3D_OK;
1116	}
1117
1118	if (clip_horiz)
1119	{
1120	if (DestRect->left < 0) { xsrc.left -= DestRect->left; xdst.left = 0; }
1121	if (DestRect->right > This->currentDesc.Width)
1122	{
1123	xsrc.right -= (DestRect->right - (int) This->currentDesc.Width);
1124	xdst.right = (int) This->currentDesc.Width;
1125	}
1126	}
1127	if (clip_vert)
1128	{
1129	if (DestRect->top < 0)
1130	{
1131	xsrc.top -= DestRect->top;
1132	xdst.top = 0;
1133	}
1134	if (DestRect->bottom > This->currentDesc.Height)
1135	{
1136	xsrc.bottom -= (DestRect->bottom - (int) This->currentDesc.Height);
1137	xdst.bottom = (int) This->currentDesc.Height;
1138	}
1139	}
1140	/* And check if after clipping something is still to be done... */
1141	if ((xdst.bottom <= 0) \|\| (xdst.right <= 0) \|\|
1142	(xdst.top >= (int) This->currentDesc.Height) \|\|
1143	(xdst.left >= (int) This->currentDesc.Width) \|\|
1144	(xsrc.bottom <= 0) \|\| (xsrc.right <= 0) \|\|
1145	(xsrc.top >= (int) Src->currentDesc.Height) \|\|
1146	(xsrc.left >= (int) Src->currentDesc.Width))
1147	{
1148	TRACE("Nothing to be done after clipping !\n");
1149	return WINED3D_OK;
1150	}
1151	}
1152	}
1153
1154	if (Src == This)
1155	{
1156	IWineD3DSurface_LockRect(iface, &dlock, NULL, 0);
1157	slock = dlock;
1158	sEntry = This->resource.format_desc;
1159	dEntry = sEntry;
1160	}
1161	else
1162	{
1163	dEntry = This->resource.format_desc;
1164	if (Src)
1165	{
1166	if (This->resource.format_desc->format != Src->resource.format_desc->format)
1167	{
1168	Src = surface_convert_format(Src, dEntry->format);
1169	if(!Src) {
1170	/* The conv function writes a FIXME */
1171	WARN("Cannot convert source surface format to dest format\n");
1172	goto release;
1173	}
1174	}
1175	IWineD3DSurface_LockRect((IWineD3DSurface *) Src, &slock, NULL, WINED3DLOCK_READONLY);
1176	sEntry = Src->resource.format_desc;
1177	}
1178	else
1179	{
1180	sEntry = dEntry;
1181	}
1182	if (DestRect)
1183	IWineD3DSurface_LockRect(iface, &dlock, &xdst, 0);
1184	else
1185	IWineD3DSurface_LockRect(iface, &dlock, NULL, 0);
1186	}
1187
1188	if (!DDBltFx \|\| !(DDBltFx->dwDDFX)) Flags &= ~WINEDDBLT_DDFX;
1189
1190	if (sEntry->Flags & dEntry->Flags & WINED3DFMT_FLAG_FOURCC)
1191	{
1192	if (!DestRect \|\| Src == This)
1193	{
1194	memcpy(dlock.pBits, slock.pBits, This->resource.size);
1195	goto release;
1196	}
1197	}
1198
1199	bpp = This->resource.format_desc->byte_count;
1200	srcheight = xsrc.bottom - xsrc.top;
1201	srcwidth = xsrc.right - xsrc.left;
1202	dstheight = xdst.bottom - xdst.top;
1203	dstwidth = xdst.right - xdst.left;
1204	width = (xdst.right - xdst.left) * bpp;
1205
1206	if (DestRect && Src != This)
1207	dbuf = dlock.pBits;
1208	else
1209	dbuf = (BYTE)dlock.pBits+(xdst.topdlock.Pitch)+(xdst.left*bpp);
1210
1211	if (Flags & WINEDDBLT_WAIT)
1212	{
1213	Flags &= ~WINEDDBLT_WAIT;
1214	}
1215	if (Flags & WINEDDBLT_ASYNC)
1216	{
1217	static BOOL displayed = FALSE;
1218	if (!displayed)
1219	FIXME("Can't handle WINEDDBLT_ASYNC flag right now.\n");
1220	displayed = TRUE;
1221	Flags &= ~WINEDDBLT_ASYNC;
1222	}
1223	if (Flags & WINEDDBLT_DONOTWAIT)
1224	{
1225	/* WINEDDBLT_DONOTWAIT appeared in DX7 */
1226	static BOOL displayed = FALSE;
1227	if (!displayed)
1228	FIXME("Can't handle WINEDDBLT_DONOTWAIT flag right now.\n");
1229	displayed = TRUE;
1230	Flags &= ~WINEDDBLT_DONOTWAIT;
1231	}
1232
1233	/* First, all the 'source-less' blits */
1234	if (Flags & WINEDDBLT_COLORFILL)
1235	{
1236	ret = _Blt_ColorFill(dbuf, dstwidth, dstheight, bpp,
1237	dlock.Pitch, DDBltFx->u5.dwFillColor);
1238	Flags &= ~WINEDDBLT_COLORFILL;
1239	}
1240
1241	if (Flags & WINEDDBLT_DEPTHFILL)
1242	{
1243	FIXME("DDBLT_DEPTHFILL needs to be implemented!\n");
1244	}
1245	if (Flags & WINEDDBLT_ROP)
1246	{
1247	/* Catch some degenerate cases here */
1248	switch(DDBltFx->dwROP)
1249	{
1250	case BLACKNESS:
1251	ret = _Blt_ColorFill(dbuf,dstwidth,dstheight,bpp,dlock.Pitch,0);
1252	break;
1253	case 0xAA0029: /* No-op */
1254	break;
1255	case WHITENESS:
1256	ret = _Blt_ColorFill(dbuf,dstwidth,dstheight,bpp,dlock.Pitch,~0);
1257	break;
1258	case SRCCOPY: /* well, we do that below ? */
1259	break;
1260	default:
1261	FIXME("Unsupported raster op: %08x Pattern: %p\n", DDBltFx->dwROP, DDBltFx->u5.lpDDSPattern);
1262	goto error;
1263	}
1264	Flags &= ~WINEDDBLT_ROP;
1265	}
1266	if (Flags & WINEDDBLT_DDROPS)
1267	{
1268	FIXME("\tDdraw Raster Ops: %08x Pattern: %p\n", DDBltFx->dwDDROP, DDBltFx->u5.lpDDSPattern);
1269	}
1270	/* Now the 'with source' blits */
1271	if (Src)
1272	{
1273	const BYTE *sbase;
1274	int sx, xinc, sy, yinc;
1275
1276	if (!dstwidth \|\| !dstheight) /* hmm... stupid program ? */
1277	goto release;
1278	sbase = (BYTE)slock.pBits+(xsrc.topslock.Pitch)+xsrc.left*bpp;
1279	xinc = (srcwidth << 16) / dstwidth;
1280	yinc = (srcheight << 16) / dstheight;
1281
1282	if (!Flags)
1283	{
1284	/* No effects, we can cheat here */
1285	if (dstwidth == srcwidth)
1286	{
1287	if (dstheight == srcheight)
1288	{
1289	/* No stretching in either direction. This needs to be as
1290	* fast as possible */
1291	sbuf = sbase;
1292
1293	/* check for overlapping surfaces */
1294	if (Src != This \|\| xdst.top < xsrc.top \|\|
1295	xdst.right <= xsrc.left \|\| xsrc.right <= xdst.left)
1296	{
1297	/* no overlap, or dst above src, so copy from top downwards */
1298	for (y = 0; y < dstheight; y++)
1299	{
1300	memcpy(dbuf, sbuf, width);
1301	sbuf += slock.Pitch;
1302	dbuf += dlock.Pitch;
1303	}
1304	}
1305	else if (xdst.top > xsrc.top) /* copy from bottom upwards */
1306	{
1307	sbuf += (slock.Pitch*dstheight);
1308	dbuf += (dlock.Pitch*dstheight);
1309	for (y = 0; y < dstheight; y++)
1310	{
1311	sbuf -= slock.Pitch;
1312	dbuf -= dlock.Pitch;
1313	memcpy(dbuf, sbuf, width);
1314	}
1315	}
1316	else /* src and dst overlapping on the same line, use memmove */
1317	{
1318	for (y = 0; y < dstheight; y++)
1319	{
1320	memmove(dbuf, sbuf, width);
1321	sbuf += slock.Pitch;
1322	dbuf += dlock.Pitch;
1323	}
1324	}
1325	} else {
1326	/* Stretching in Y direction only */
1327	for (y = sy = 0; y < dstheight; y++, sy += yinc) {
1328	sbuf = sbase + (sy >> 16) * slock.Pitch;
1329	memcpy(dbuf, sbuf, width);
1330	dbuf += dlock.Pitch;
1331	}
1332	}
1333	}
1334	else
1335	{
1336	/* Stretching in X direction */
1337	int last_sy = -1;
1338	for (y = sy = 0; y < dstheight; y++, sy += yinc)
1339	{
1340	sbuf = sbase + (sy >> 16) * slock.Pitch;
1341
1342	if ((sy >> 16) == (last_sy >> 16))
1343	{
1344	/* this sourcerow is the same as last sourcerow -
1345	* copy already stretched row
1346	*/
1347	memcpy(dbuf, dbuf - dlock.Pitch, width);
1348	}
1349	else
1350	{
1351	#define STRETCH_ROW(type) { \
1352	const type s = (const type )sbuf; \
1353	type d = (type )dbuf; \
1354	for (x = sx = 0; x < dstwidth; x++, sx += xinc) \
1355	d[x] = s[sx >> 16]; \
1356	break; }
1357
1358	switch(bpp)
1359	{
1360	case 1: STRETCH_ROW(BYTE)
1361	case 2: STRETCH_ROW(WORD)
1362	case 4: STRETCH_ROW(DWORD)
1363	case 3:
1364	{
1365	const BYTE *s;
1366	BYTE *d = dbuf;
1367	for (x = sx = 0; x < dstwidth; x++, sx+= xinc)
1368	{
1369	DWORD pixel;
1370
1371	s = sbuf+3*(sx>>16);
1372	pixel = s[0]\|(s[1]<<8)\|(s[2]<<16);
1373	d[0] = (pixel )&0xff;
1374	d[1] = (pixel>> 8)&0xff;
1375	d[2] = (pixel>>16)&0xff;
1376	d+=3;
1377	}
1378	break;
1379	}
1380	default:
1381	FIXME("Stretched blit not implemented for bpp %d!\n", bpp*8);
1382	ret = WINED3DERR_NOTAVAILABLE;
1383	goto error;
1384	}
1385	#undef STRETCH_ROW
1386	}
1387	dbuf += dlock.Pitch;
1388	last_sy = sy;
1389	}
1390	}
1391	}
1392	else
1393	{
1394	LONG dstyinc = dlock.Pitch, dstxinc = bpp;
1395	DWORD keylow = 0xFFFFFFFF, keyhigh = 0, keymask = 0xFFFFFFFF;
1396	DWORD destkeylow = 0x0, destkeyhigh = 0xFFFFFFFF, destkeymask = 0xFFFFFFFF;
1397	if (Flags & (WINEDDBLT_KEYSRC \| WINEDDBLT_KEYDEST \| WINEDDBLT_KEYSRCOVERRIDE \| WINEDDBLT_KEYDESTOVERRIDE))
1398	{
1399	/* The color keying flags are checked for correctness in ddraw */
1400	if (Flags & WINEDDBLT_KEYSRC)
1401	{
1402	keylow = Src->SrcBltCKey.dwColorSpaceLowValue;
1403	keyhigh = Src->SrcBltCKey.dwColorSpaceHighValue;
1404	}
1405	else if (Flags & WINEDDBLT_KEYSRCOVERRIDE)
1406	{
1407	keylow = DDBltFx->ddckSrcColorkey.dwColorSpaceLowValue;
1408	keyhigh = DDBltFx->ddckSrcColorkey.dwColorSpaceHighValue;
1409	}
1410
1411	if (Flags & WINEDDBLT_KEYDEST)
1412	{
1413	/* Destination color keys are taken from the source surface ! */
1414	destkeylow = Src->DestBltCKey.dwColorSpaceLowValue;
1415	destkeyhigh = Src->DestBltCKey.dwColorSpaceHighValue;
1416	}
1417	else if (Flags & WINEDDBLT_KEYDESTOVERRIDE)
1418	{
1419	destkeylow = DDBltFx->ddckDestColorkey.dwColorSpaceLowValue;
1420	destkeyhigh = DDBltFx->ddckDestColorkey.dwColorSpaceHighValue;
1421	}
1422
1423	if(bpp == 1)
1424	{
1425	keymask = 0xff;
1426	}
1427	else
1428	{
1429	keymask = sEntry->red_mask
1430	\| sEntry->green_mask
1431	\| sEntry->blue_mask;
1432	}
1433	Flags &= ~(WINEDDBLT_KEYSRC \| WINEDDBLT_KEYDEST \| WINEDDBLT_KEYSRCOVERRIDE \| WINEDDBLT_KEYDESTOVERRIDE);
1434	}
1435
1436	if (Flags & WINEDDBLT_DDFX)
1437	{
1438	LPBYTE dTopLeft, dTopRight, dBottomLeft, dBottomRight, tmp;
1439	LONG tmpxy;
1440	dTopLeft = dbuf;
1441	dTopRight = dbuf+((dstwidth-1)*bpp);
1442	dBottomLeft = dTopLeft+((dstheight-1)*dlock.Pitch);
1443	dBottomRight = dBottomLeft+((dstwidth-1)*bpp);
1444
1445	if (DDBltFx->dwDDFX & WINEDDBLTFX_ARITHSTRETCHY)
1446	{
1447	/* I don't think we need to do anything about this flag */
1448	WARN("Flags=DDBLT_DDFX nothing done for WINEDDBLTFX_ARITHSTRETCHY\n");
1449	}
1450	if (DDBltFx->dwDDFX & WINEDDBLTFX_MIRRORLEFTRIGHT)
1451	{
1452	tmp = dTopRight;
1453	dTopRight = dTopLeft;
1454	dTopLeft = tmp;
1455	tmp = dBottomRight;
1456	dBottomRight = dBottomLeft;
1457	dBottomLeft = tmp;
1458	dstxinc = dstxinc *-1;
1459	}
1460	if (DDBltFx->dwDDFX & WINEDDBLTFX_MIRRORUPDOWN)
1461	{
1462	tmp = dTopLeft;
1463	dTopLeft = dBottomLeft;
1464	dBottomLeft = tmp;
1465	tmp = dTopRight;
1466	dTopRight = dBottomRight;
1467	dBottomRight = tmp;
1468	dstyinc = dstyinc *-1;
1469	}
1470	if (DDBltFx->dwDDFX & WINEDDBLTFX_NOTEARING)
1471	{
1472	/* I don't think we need to do anything about this flag */
1473	WARN("Flags=DDBLT_DDFX nothing done for WINEDDBLTFX_NOTEARING\n");
1474	}
1475	if (DDBltFx->dwDDFX & WINEDDBLTFX_ROTATE180)
1476	{
1477	tmp = dBottomRight;
1478	dBottomRight = dTopLeft;
1479	dTopLeft = tmp;
1480	tmp = dBottomLeft;
1481	dBottomLeft = dTopRight;
1482	dTopRight = tmp;
1483	dstxinc = dstxinc * -1;
1484	dstyinc = dstyinc * -1;
1485	}
1486	if (DDBltFx->dwDDFX & WINEDDBLTFX_ROTATE270)
1487	{
1488	tmp = dTopLeft;
1489	dTopLeft = dBottomLeft;
1490	dBottomLeft = dBottomRight;
1491	dBottomRight = dTopRight;
1492	dTopRight = tmp;
1493	tmpxy = dstxinc;
1494	dstxinc = dstyinc;
1495	dstyinc = tmpxy;
1496	dstxinc = dstxinc * -1;
1497	}
1498	if (DDBltFx->dwDDFX & WINEDDBLTFX_ROTATE90)
1499	{
1500	tmp = dTopLeft;
1501	dTopLeft = dTopRight;
1502	dTopRight = dBottomRight;
1503	dBottomRight = dBottomLeft;
1504	dBottomLeft = tmp;
1505	tmpxy = dstxinc;
1506	dstxinc = dstyinc;
1507	dstyinc = tmpxy;
1508	dstyinc = dstyinc * -1;
1509	}
1510	if (DDBltFx->dwDDFX & WINEDDBLTFX_ZBUFFERBASEDEST)
1511	{
1512	/* I don't think we need to do anything about this flag */
1513	WARN("Flags=WINEDDBLT_DDFX nothing done for WINEDDBLTFX_ZBUFFERBASEDEST\n");
1514	}
1515	dbuf = dTopLeft;
1516	Flags &= ~(WINEDDBLT_DDFX);
1517	}
1518
1519	#define COPY_COLORKEY_FX(type) { \
1520	const type *s; \
1521	type d = (type )dbuf, *dx, tmp; \
1522	for (y = sy = 0; y < dstheight; y++, sy += yinc) { \
1523	s = (const type)(sbase + (sy >> 16) slock.Pitch); \
1524	dx = d; \
1525	for (x = sx = 0; x < dstwidth; x++, sx += xinc) { \
1526	tmp = s[sx >> 16]; \
1527	if (((tmp & keymask) < keylow \|\| (tmp & keymask) > keyhigh) && \
1528	((dx[0] & destkeymask) >= destkeylow && (dx[0] & destkeymask) <= destkeyhigh)) { \
1529	dx[0] = tmp; \
1530	} \
1531	dx = (type*)(((LPBYTE)dx)+dstxinc); \
1532	} \
1533	d = (type*)(((LPBYTE)d)+dstyinc); \
1534	} \
1535	break; }
1536
1537	switch (bpp) {
1538	case 1: COPY_COLORKEY_FX(BYTE)
1539	case 2: COPY_COLORKEY_FX(WORD)
1540	case 4: COPY_COLORKEY_FX(DWORD)
1541	case 3:
1542	{
1543	const BYTE *s;
1544	BYTE d = dbuf, dx;
1545	for (y = sy = 0; y < dstheight; y++, sy += yinc)
1546	{
1547	sbuf = sbase + (sy >> 16) * slock.Pitch;
1548	dx = d;
1549	for (x = sx = 0; x < dstwidth; x++, sx+= xinc)
1550	{
1551	DWORD pixel, dpixel = 0;
1552	s = sbuf+3*(sx>>16);
1553	pixel = s[0]\|(s[1]<<8)\|(s[2]<<16);
1554	dpixel = dx[0]\|(dx[1]<<8)\|(dx[2]<<16);
1555	if (((pixel & keymask) < keylow \|\| (pixel & keymask) > keyhigh) &&
1556	((dpixel & keymask) >= destkeylow \|\| (dpixel & keymask) <= keyhigh))
1557	{
1558	dx[0] = (pixel )&0xff;
1559	dx[1] = (pixel>> 8)&0xff;
1560	dx[2] = (pixel>>16)&0xff;
1561	}
1562	dx+= dstxinc;
1563	}
1564	d += dstyinc;
1565	}
1566	break;
1567	}
1568	default:
1569	FIXME("%s color-keyed blit not implemented for bpp %d!\n",
1570	(Flags & WINEDDBLT_KEYSRC) ? "Source" : "Destination", bpp*8);
1571	ret = WINED3DERR_NOTAVAILABLE;
1572	goto error;
1573	#undef COPY_COLORKEY_FX
1574	}
1575	}
1576	}
1577
1578	error:
1579	if (Flags && FIXME_ON(d3d_surface))
1580	{
1581	FIXME("\tUnsupported flags: %08x\n", Flags);
1582	}
1583
1584	release:
1585	IWineD3DSurface_UnlockRect(iface);
1586	if (Src && Src != This) IWineD3DSurface_UnlockRect((IWineD3DSurface *) Src);
1587	/* Release the converted surface if any */
1588	if (Src && SrcSurface != (IWineD3DSurface ) Src) IWineD3DSurface_Release((IWineD3DSurface ) Src);
1589	return ret;
1590	}
1591
1592	/*****************************************************************************
1593	* IWineD3DSurface::BltFast, SW emulation version
1594	*
1595	* This is the software implementation of BltFast, as used by GDI surfaces
1596	* and as a fallback for OpenGL surfaces. This code is taken from the old
1597	* DirectDraw code, and was originally written by TransGaming.
1598	*
1599	* Params:
1600	* dstx:
1601	* dsty:
1602	* Source: Source surface to copy from
1603	* rsrc: Source rectangle
1604	* trans: Some Flags
1605	*
1606	* Returns:
1607	* WINED3D_OK on success
1608	*
1609	*****************************************************************************/
1610	HRESULT WINAPI IWineD3DBaseSurfaceImpl_BltFast(IWineD3DSurface *iface, DWORD dstx, DWORD dsty,
1611	IWineD3DSurface Source, const RECT rsrc, DWORD trans)
1612	{
1613	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl ) iface;
1614	IWineD3DSurfaceImpl Src = (IWineD3DSurfaceImpl ) Source;
1615
1616	int bpp, w, h, x, y;
1617	WINED3DLOCKED_RECT dlock,slock;
1618	HRESULT ret = WINED3D_OK;
1619	RECT rsrc2;
1620	RECT lock_src, lock_dst, lock_union;
1621	const BYTE *sbuf;
1622	BYTE *dbuf;
1623	const struct wined3d_format_desc sEntry, dEntry;
1624
1625	if (TRACE_ON(d3d_surface))
1626	{
1627	TRACE("(%p)->(%d,%d,%p,%p,%08x)\n", This,dstx,dsty,Src,rsrc,trans);
1628
1629	if (rsrc)
1630	{
1631	TRACE("\tsrcrect: %dx%d-%dx%d\n",rsrc->left,rsrc->top,
1632	rsrc->right,rsrc->bottom);
1633	}
1634	else
1635	{
1636	TRACE(" srcrect: NULL\n");
1637	}
1638	}
1639
1640	if ((This->Flags & SFLAG_LOCKED) \|\|
1641	(Src->Flags & SFLAG_LOCKED))
1642	{
1643	WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
1644	return WINEDDERR_SURFACEBUSY;
1645	}
1646
1647	if (!rsrc)
1648	{
1649	WARN("rsrc is NULL!\n");
1650	rsrc2.left = 0;
1651	rsrc2.top = 0;
1652	rsrc2.right = Src->currentDesc.Width;
1653	rsrc2.bottom = Src->currentDesc.Height;
1654	rsrc = &rsrc2;
1655	}
1656
1657	/* Check source rect for validity. Copied from normal Blt. Fixes Baldur's Gate.*/
1658	if ((rsrc->bottom > Src->currentDesc.Height) \|\| (rsrc->bottom < 0) \|\|
1659	(rsrc->top > Src->currentDesc.Height) \|\| (rsrc->top < 0) \|\|
1660	(rsrc->left > Src->currentDesc.Width) \|\| (rsrc->left < 0) \|\|
1661	(rsrc->right > Src->currentDesc.Width) \|\| (rsrc->right < 0) \|\|
1662	(rsrc->right < rsrc->left) \|\| (rsrc->bottom < rsrc->top))
1663	{
1664	WARN("Application gave us bad source rectangle for BltFast.\n");
1665	return WINEDDERR_INVALIDRECT;
1666	}
1667
1668	h = rsrc->bottom - rsrc->top;
1669	if (h > This->currentDesc.Height-dsty) h = This->currentDesc.Height-dsty;
1670	if (h > Src->currentDesc.Height-rsrc->top) h=Src->currentDesc.Height-rsrc->top;
1671	if (h <= 0) return WINEDDERR_INVALIDRECT;
1672
1673	w = rsrc->right - rsrc->left;
1674	if (w > This->currentDesc.Width-dstx) w = This->currentDesc.Width-dstx;
1675	if (w > Src->currentDesc.Width-rsrc->left) w = Src->currentDesc.Width-rsrc->left;
1676	if (w <= 0) return WINEDDERR_INVALIDRECT;
1677
1678	/* Now compute the locking rectangle... */
1679	lock_src.left = rsrc->left;
1680	lock_src.top = rsrc->top;
1681	lock_src.right = lock_src.left + w;
1682	lock_src.bottom = lock_src.top + h;
1683
1684	lock_dst.left = dstx;
1685	lock_dst.top = dsty;
1686	lock_dst.right = dstx + w;
1687	lock_dst.bottom = dsty + h;
1688
1689	bpp = This->resource.format_desc->byte_count;
1690
1691	/* We need to lock the surfaces, or we won't get refreshes when done. */
1692	if (Src == This)
1693	{
1694	int pitch;
1695
1696	UnionRect(&lock_union, &lock_src, &lock_dst);
1697
1698	/* Lock the union of the two rectangles */
1699	ret = IWineD3DSurface_LockRect(iface, &dlock, &lock_union, 0);
1700	if(ret != WINED3D_OK) goto error;
1701
1702	pitch = dlock.Pitch;
1703	slock.Pitch = dlock.Pitch;
1704
1705	/* Since slock was originally copied from this surface's description, we can just reuse it */
1706	sbuf = This->resource.allocatedMemory + lock_src.top * pitch + lock_src.left * bpp;
1707	dbuf = This->resource.allocatedMemory + lock_dst.top * pitch + lock_dst.left * bpp;
1708	sEntry = Src->resource.format_desc;
1709	dEntry = sEntry;
1710	}
1711	else
1712	{
1713	ret = IWineD3DSurface_LockRect(Source, &slock, &lock_src, WINED3DLOCK_READONLY);
1714	if(ret != WINED3D_OK) goto error;
1715	ret = IWineD3DSurface_LockRect(iface, &dlock, &lock_dst, 0);
1716	if(ret != WINED3D_OK) goto error;
1717
1718	sbuf = slock.pBits;
1719	dbuf = dlock.pBits;
1720	TRACE("Dst is at %p, Src is at %p\n", dbuf, sbuf);
1721
1722	sEntry = Src->resource.format_desc;
1723	dEntry = This->resource.format_desc;
1724	}
1725
1726	/* Handle compressed surfaces first... */
1727	if (sEntry->Flags & dEntry->Flags & WINED3DFMT_FLAG_COMPRESSED)
1728	{
1729	UINT row_block_count;
1730
1731	TRACE("compressed -> compressed copy\n");
1732	if (trans)
1733	FIXME("trans arg not supported when a compressed surface is involved\n");
1734	if (dstx \|\| dsty)
1735	FIXME("offset for destination surface is not supported\n");
1736	if (Src->resource.format_desc->format != This->resource.format_desc->format)
1737	{
1738	FIXME("compressed -> compressed copy only supported for the same type of surface\n");
1739	ret = WINED3DERR_WRONGTEXTUREFORMAT;
1740	goto error;
1741	}
1742
1743	row_block_count = (w + dEntry->block_width - 1) / dEntry->block_width;
1744	for (y = 0; y < h; y += dEntry->block_height)
1745	{
1746	memcpy(dbuf, sbuf, row_block_count * dEntry->block_byte_count);
1747	dbuf += dlock.Pitch;
1748	sbuf += slock.Pitch;
1749	}
1750
1751	goto error;
1752	}
1753	if ((sEntry->Flags & WINED3DFMT_FLAG_COMPRESSED) && !(dEntry->Flags & WINED3DFMT_FLAG_COMPRESSED))
1754	{
1755	/* TODO: Use the libtxc_dxtn.so shared library to do
1756	* software decompression
1757	*/
1758	ERR("Software decompression not supported.\n");
1759	goto error;
1760	}
1761
1762	if (trans & (WINEDDBLTFAST_SRCCOLORKEY \| WINEDDBLTFAST_DESTCOLORKEY))
1763	{
1764	DWORD keylow, keyhigh;
1765	DWORD mask = Src->resource.format_desc->red_mask \|
1766	Src->resource.format_desc->green_mask \|
1767	Src->resource.format_desc->blue_mask;
1768
1769	/* For some 8-bit formats like L8 and P8 color masks don't make sense */
1770	if(!mask && bpp==1)
1771	mask = 0xff;
1772
1773	TRACE("Color keyed copy\n");
1774	if (trans & WINEDDBLTFAST_SRCCOLORKEY)
1775	{
1776	keylow = Src->SrcBltCKey.dwColorSpaceLowValue;
1777	keyhigh = Src->SrcBltCKey.dwColorSpaceHighValue;
1778	}
1779	else
1780	{
1781	/* I'm not sure if this is correct */
1782	FIXME("WINEDDBLTFAST_DESTCOLORKEY not fully supported yet.\n");
1783	keylow = This->DestBltCKey.dwColorSpaceLowValue;
1784	keyhigh = This->DestBltCKey.dwColorSpaceHighValue;
1785	}
1786
1787	#define COPYBOX_COLORKEY(type) { \
1788	const type s = (const type )sbuf; \
1789	type d = (type )dbuf; \
1790	type tmp; \
1791	for (y = 0; y < h; y++) { \
1792	for (x = 0; x < w; x++) { \
1793	tmp = s[x]; \
1794	if ((tmp & mask) < keylow \|\| (tmp & mask) > keyhigh) d[x] = tmp; \
1795	} \
1796	s = (const type )((const BYTE )s + slock.Pitch); \
1797	d = (type )((BYTE )d + dlock.Pitch); \
1798	} \
1799	break; \
1800	}
1801
1802	switch (bpp) {
1803	case 1: COPYBOX_COLORKEY(BYTE)
1804	case 2: COPYBOX_COLORKEY(WORD)
1805	case 4: COPYBOX_COLORKEY(DWORD)
1806	case 3:
1807	{
1808	const BYTE *s;
1809	BYTE *d;
1810	DWORD tmp;
1811	s = sbuf;
1812	d = dbuf;
1813	for (y = 0; y < h; y++)
1814	{
1815	for (x = 0; x < w * 3; x += 3)
1816	{
1817	tmp = (DWORD)s[x] + ((DWORD)s[x + 1] << 8) + ((DWORD)s[x + 2] << 16);
1818	if (tmp < keylow \|\| tmp > keyhigh)
1819	{
1820	d[x + 0] = s[x + 0];
1821	d[x + 1] = s[x + 1];
1822	d[x + 2] = s[x + 2];
1823	}
1824	}
1825	s += slock.Pitch;
1826	d += dlock.Pitch;
1827	}
1828	break;
1829	}
1830	default:
1831	FIXME("Source color key blitting not supported for bpp %d\n",bpp*8);
1832	ret = WINED3DERR_NOTAVAILABLE;
1833	goto error;
1834	}
1835	#undef COPYBOX_COLORKEY
1836	TRACE("Copy Done\n");
1837	}
1838	else
1839	{
1840	int width = w * bpp;
1841	INT sbufpitch, dbufpitch;
1842
1843	TRACE("NO color key copy\n");
1844	/* Handle overlapping surfaces */
1845	if (sbuf < dbuf)
1846	{
1847	sbuf += (h - 1) * slock.Pitch;
1848	dbuf += (h - 1) * dlock.Pitch;
1849	sbufpitch = -slock.Pitch;
1850	dbufpitch = -dlock.Pitch;
1851	}
1852	else
1853	{
1854	sbufpitch = slock.Pitch;
1855	dbufpitch = dlock.Pitch;
1856	}
1857	for (y = 0; y < h; y++)
1858	{
1859	/* This is pretty easy, a line for line memcpy */
1860	memmove(dbuf, sbuf, width);
1861	sbuf += sbufpitch;
1862	dbuf += dbufpitch;
1863	}
1864	TRACE("Copy done\n");
1865	}
1866
1867	error:
1868	if (Src == This)
1869	{
1870	IWineD3DSurface_UnlockRect(iface);
1871	}
1872	else
1873	{
1874	IWineD3DSurface_UnlockRect(iface);
1875	IWineD3DSurface_UnlockRect(Source);
1876	}
1877
1878	return ret;
1879	}
1880
1881	HRESULT WINAPI IWineD3DBaseSurfaceImpl_LockRect(IWineD3DSurface iface, WINED3DLOCKED_RECT pLockedRect, CONST RECT* pRect, DWORD Flags)
1882	{
1883	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
1884
1885	TRACE("(%p) : rect@%p flags(%08x), output lockedRect@%p, memory@%p\n",
1886	This, pRect, Flags, pLockedRect, This->resource.allocatedMemory);
1887
1888	pLockedRect->Pitch = IWineD3DSurface_GetPitch(iface);
1889
1890	if (NULL == pRect)
1891	{
1892	pLockedRect->pBits = This->resource.allocatedMemory;
1893	This->lockedRect.left = 0;
1894	This->lockedRect.top = 0;
1895	This->lockedRect.right = This->currentDesc.Width;
1896	This->lockedRect.bottom = This->currentDesc.Height;
1897
1898	TRACE("Locked Rect (%p) = l %d, t %d, r %d, b %d\n",
1899	&This->lockedRect, This->lockedRect.left, This->lockedRect.top,
1900	This->lockedRect.right, This->lockedRect.bottom);
1901	}
1902	else
1903	{
1904	const struct wined3d_format_desc *format_desc = This->resource.format_desc;
1905
1906	TRACE("Lock Rect (%p) = l %d, t %d, r %d, b %d\n",
1907	pRect, pRect->left, pRect->top, pRect->right, pRect->bottom);
1908
1909	if (format_desc->Flags & WINED3DFMT_FLAG_COMPRESSED)
1910	{
1911	/* Compressed textures are block based, so calculate the offset of
1912	* the block that contains the top-left pixel of the locked rectangle. */
1913	pLockedRect->pBits = This->resource.allocatedMemory
1914	+ ((pRect->top / format_desc->block_height) * pLockedRect->Pitch)
1915	+ ((pRect->left / format_desc->block_width) * format_desc->block_byte_count);
1916	}
1917	else
1918	{
1919	pLockedRect->pBits = This->resource.allocatedMemory +
1920	(pLockedRect->Pitch * pRect->top) +
1921	(pRect->left * format_desc->byte_count);
1922	}
1923	This->lockedRect.left = pRect->left;
1924	This->lockedRect.top = pRect->top;
1925	This->lockedRect.right = pRect->right;
1926	This->lockedRect.bottom = pRect->bottom;
1927	}
1928
1929	/* No dirtifying is needed for this surface implementation */
1930	TRACE("returning memory@%p, pitch(%d)\n", pLockedRect->pBits, pLockedRect->Pitch);
1931
1932	return WINED3D_OK;
1933	}
1934
1935	void WINAPI IWineD3DBaseSurfaceImpl_BindTexture(IWineD3DSurface *iface, BOOL srgb) {
1936	ERR("Should not be called on base texture\n");
1937	}
1938
1939	/* TODO: think about moving this down to resource? */
1940	const void WINAPI IWineD3DBaseSurfaceImpl_GetData(IWineD3DSurface iface)
1941	{
1942	IWineD3DSurfaceImpl This = (IWineD3DSurfaceImpl )iface;
1943
1944	/* This should only be called for sysmem textures, it may be a good idea
1945	* to extend this to all pools at some point in the future */
1946	if (This->resource.pool != WINED3DPOOL_SYSTEMMEM)
1947	{
1948	FIXME("(%p) Attempting to get system memory for a non-system memory texture\n", iface);
1949	}
1950	return This->resource.allocatedMemory;
1951	}

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source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Wine/wined3d/surface_base.c@ 33252

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