xref: /reactos/dll/directx/wine/ddraw/utils.c (revision 305aae75)
1 /*
2  * DirectDraw helper functions
3  *
4  * Copyright (c) 1997-2000 Marcus Meissner
5  * Copyright (c) 1998 Lionel Ulmer
6  * Copyright (c) 2000 TransGaming Technologies Inc.
7  * Copyright (c) 2006 Stefan Dösinger
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22  */
23 
24 #include "config.h"
25 #include "wine/port.h"
26 
27 #include "ddraw_private.h"
28 
29 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
30 
31 static void DDRAW_dump_pixelformat(const DDPIXELFORMAT *pf);
32 
ddrawformat_from_wined3dformat(DDPIXELFORMAT * DDPixelFormat,enum wined3d_format_id wined3d_format)33 void ddrawformat_from_wined3dformat(DDPIXELFORMAT *DDPixelFormat, enum wined3d_format_id wined3d_format)
34 {
35     DWORD Size = DDPixelFormat->dwSize;
36 
37     if(Size==0) return;
38 
39     memset(DDPixelFormat, 0x00, Size);
40     DDPixelFormat->dwSize = Size;
41     switch (wined3d_format)
42     {
43         case WINED3DFMT_B8G8R8_UNORM:
44             DDPixelFormat->dwFlags = DDPF_RGB;
45             DDPixelFormat->dwFourCC = 0;
46             DDPixelFormat->u1.dwRGBBitCount = 24;
47             DDPixelFormat->u2.dwRBitMask = 0x00ff0000;
48             DDPixelFormat->u3.dwGBitMask = 0x0000ff00;
49             DDPixelFormat->u4.dwBBitMask = 0x000000ff;
50             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
51             break;
52 
53         case WINED3DFMT_B8G8R8A8_UNORM:
54             DDPixelFormat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
55             DDPixelFormat->dwFourCC = 0;
56             DDPixelFormat->u1.dwRGBBitCount = 32;
57             DDPixelFormat->u2.dwRBitMask = 0x00ff0000;
58             DDPixelFormat->u3.dwGBitMask = 0x0000ff00;
59             DDPixelFormat->u4.dwBBitMask = 0x000000ff;
60             DDPixelFormat->u5.dwRGBAlphaBitMask = 0xff000000;
61             break;
62 
63         case WINED3DFMT_B8G8R8X8_UNORM:
64             DDPixelFormat->dwFlags = DDPF_RGB;
65             DDPixelFormat->dwFourCC = 0;
66             DDPixelFormat->u1.dwRGBBitCount = 32;
67             DDPixelFormat->u2.dwRBitMask = 0x00ff0000;
68             DDPixelFormat->u3.dwGBitMask = 0x0000ff00;
69             DDPixelFormat->u4.dwBBitMask = 0x000000ff;
70             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
71             break;
72 
73         case WINED3DFMT_R8G8B8X8_UNORM:
74             DDPixelFormat->dwFlags = DDPF_RGB;
75             DDPixelFormat->dwFourCC = 0;
76             DDPixelFormat->u1.dwRGBBitCount = 32;
77             DDPixelFormat->u2.dwRBitMask = 0x000000ff;
78             DDPixelFormat->u3.dwGBitMask = 0x0000ff00;
79             DDPixelFormat->u4.dwBBitMask = 0x00ff0000;
80             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
81             break;
82 
83         case WINED3DFMT_B5G6R5_UNORM:
84             DDPixelFormat->dwFlags = DDPF_RGB;
85             DDPixelFormat->dwFourCC = 0;
86             DDPixelFormat->u1.dwRGBBitCount = 16;
87             DDPixelFormat->u2.dwRBitMask = 0xF800;
88             DDPixelFormat->u3.dwGBitMask = 0x07E0;
89             DDPixelFormat->u4.dwBBitMask = 0x001F;
90             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
91             break;
92 
93         case WINED3DFMT_B5G5R5X1_UNORM:
94             DDPixelFormat->dwFlags = DDPF_RGB;
95             DDPixelFormat->dwFourCC = 0;
96             DDPixelFormat->u1.dwRGBBitCount = 16;
97             DDPixelFormat->u2.dwRBitMask = 0x7C00;
98             DDPixelFormat->u3.dwGBitMask = 0x03E0;
99             DDPixelFormat->u4.dwBBitMask = 0x001F;
100             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
101             break;
102 
103         case WINED3DFMT_B5G5R5A1_UNORM:
104             DDPixelFormat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
105             DDPixelFormat->dwFourCC = 0;
106             DDPixelFormat->u1.dwRGBBitCount = 16;
107             DDPixelFormat->u2.dwRBitMask = 0x7C00;
108             DDPixelFormat->u3.dwGBitMask = 0x03E0;
109             DDPixelFormat->u4.dwBBitMask = 0x001F;
110             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x8000;
111             break;
112 
113         case WINED3DFMT_B4G4R4A4_UNORM:
114             DDPixelFormat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
115             DDPixelFormat->dwFourCC = 0;
116             DDPixelFormat->u1.dwRGBBitCount = 16;
117             DDPixelFormat->u2.dwRBitMask = 0x0F00;
118             DDPixelFormat->u3.dwGBitMask = 0x00F0;
119             DDPixelFormat->u4.dwBBitMask = 0x000F;
120             DDPixelFormat->u5.dwRGBAlphaBitMask = 0xF000;
121             break;
122 
123         case WINED3DFMT_B2G3R3_UNORM:
124             DDPixelFormat->dwFlags = DDPF_RGB;
125             DDPixelFormat->dwFourCC = 0;
126             DDPixelFormat->u1.dwRGBBitCount = 8;
127             DDPixelFormat->u2.dwRBitMask = 0xE0;
128             DDPixelFormat->u3.dwGBitMask = 0x1C;
129             DDPixelFormat->u4.dwBBitMask = 0x03;
130             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0x0;
131             break;
132 
133         case WINED3DFMT_P8_UINT:
134             DDPixelFormat->dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
135             DDPixelFormat->dwFourCC = 0;
136             DDPixelFormat->u1.dwRGBBitCount = 8;
137             DDPixelFormat->u2.dwRBitMask = 0x00;
138             DDPixelFormat->u3.dwGBitMask = 0x00;
139             DDPixelFormat->u4.dwBBitMask = 0x00;
140             break;
141 
142         case WINED3DFMT_A8_UNORM:
143             DDPixelFormat->dwFlags = DDPF_ALPHA;
144             DDPixelFormat->dwFourCC = 0;
145             DDPixelFormat->u1.dwAlphaBitDepth = 8;
146             DDPixelFormat->u2.dwRBitMask = 0x0;
147             DDPixelFormat->u3.dwZBitMask = 0x0;
148             DDPixelFormat->u4.dwStencilBitMask = 0x0;
149             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0x0;
150             break;
151 
152         case WINED3DFMT_B2G3R3A8_UNORM:
153             DDPixelFormat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
154             DDPixelFormat->dwFourCC = 0;
155             DDPixelFormat->u1.dwRGBBitCount = 16;
156             DDPixelFormat->u2.dwRBitMask = 0x00E0;
157             DDPixelFormat->u3.dwGBitMask = 0x001C;
158             DDPixelFormat->u4.dwBBitMask = 0x0003;
159             DDPixelFormat->u5.dwRGBAlphaBitMask = 0xFF00;
160             break;
161 
162         case WINED3DFMT_B4G4R4X4_UNORM:
163             DDPixelFormat->dwFlags = DDPF_RGB;
164             DDPixelFormat->dwFourCC = 0;
165             DDPixelFormat->u1.dwRGBBitCount = 16;
166             DDPixelFormat->u2.dwRBitMask = 0x0F00;
167             DDPixelFormat->u3.dwGBitMask = 0x00F0;
168             DDPixelFormat->u4.dwBBitMask = 0x000F;
169             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
170             break;
171 
172         /* How are Z buffer bit depth and Stencil buffer bit depth related?
173          */
174         case WINED3DFMT_D16_UNORM:
175             DDPixelFormat->dwFlags = DDPF_ZBUFFER;
176             DDPixelFormat->dwFourCC = 0;
177             DDPixelFormat->u1.dwZBufferBitDepth = 16;
178             DDPixelFormat->u2.dwStencilBitDepth = 0;
179             DDPixelFormat->u3.dwZBitMask = 0x0000FFFF;
180             DDPixelFormat->u4.dwStencilBitMask = 0x0;
181             DDPixelFormat->u5.dwRGBZBitMask = 0x00000000;
182             break;
183 
184         case WINED3DFMT_D32_UNORM:
185             DDPixelFormat->dwFlags = DDPF_ZBUFFER;
186             DDPixelFormat->dwFourCC = 0;
187             DDPixelFormat->u1.dwZBufferBitDepth = 32;
188             DDPixelFormat->u2.dwStencilBitDepth = 0;
189             DDPixelFormat->u3.dwZBitMask = 0xFFFFFFFF;
190             DDPixelFormat->u4.dwStencilBitMask = 0x0;
191             DDPixelFormat->u5.dwRGBZBitMask = 0x00000000;
192             break;
193 
194         case WINED3DFMT_S4X4_UINT_D24_UNORM:
195             DDPixelFormat->dwFlags = DDPF_ZBUFFER | DDPF_STENCILBUFFER;
196             DDPixelFormat->dwFourCC = 0;
197             /* Should I set dwZBufferBitDepth to 32 here? */
198             DDPixelFormat->u1.dwZBufferBitDepth = 32;
199             DDPixelFormat->u2.dwStencilBitDepth = 4;
200             DDPixelFormat->u3.dwZBitMask = 0x00FFFFFF;
201             DDPixelFormat->u4.dwStencilBitMask = 0x0F000000;
202             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
203             break;
204 
205         case WINED3DFMT_D24_UNORM_S8_UINT:
206             DDPixelFormat->dwFlags = DDPF_ZBUFFER | DDPF_STENCILBUFFER;
207             DDPixelFormat->dwFourCC = 0;
208             DDPixelFormat->u1.dwZBufferBitDepth = 32;
209             DDPixelFormat->u2.dwStencilBitDepth = 8;
210             DDPixelFormat->u3.dwZBitMask = 0x00FFFFFF;
211             DDPixelFormat->u4.dwStencilBitMask = 0xFF000000;
212             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
213             break;
214 
215         case WINED3DFMT_X8D24_UNORM:
216             DDPixelFormat->dwFlags = DDPF_ZBUFFER;
217             DDPixelFormat->dwFourCC = 0;
218             DDPixelFormat->u1.dwZBufferBitDepth = 32;
219             DDPixelFormat->u2.dwStencilBitDepth = 0;
220             DDPixelFormat->u3.dwZBitMask = 0x00FFFFFF;
221             DDPixelFormat->u4.dwStencilBitMask = 0x00000000;
222             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
223             break;
224 
225         case WINED3DFMT_S1_UINT_D15_UNORM:
226             DDPixelFormat->dwFlags = DDPF_ZBUFFER | DDPF_STENCILBUFFER;
227             DDPixelFormat->dwFourCC = 0;
228             DDPixelFormat->u1.dwZBufferBitDepth = 16;
229             DDPixelFormat->u2.dwStencilBitDepth = 1;
230             DDPixelFormat->u3.dwZBitMask = 0x7fff;
231             DDPixelFormat->u4.dwStencilBitMask = 0x8000;
232             DDPixelFormat->u5.dwRGBAlphaBitMask = 0x0;
233             break;
234 
235         case WINED3DFMT_UYVY:
236         case WINED3DFMT_YUY2:
237             DDPixelFormat->u1.dwYUVBitCount = 16;
238             DDPixelFormat->dwFlags = DDPF_FOURCC;
239             DDPixelFormat->dwFourCC = wined3d_format;
240             break;
241 
242         case WINED3DFMT_YV12:
243             DDPixelFormat->u1.dwYUVBitCount = 12;
244             DDPixelFormat->dwFlags = DDPF_FOURCC;
245             DDPixelFormat->dwFourCC = wined3d_format;
246             break;
247 
248         case WINED3DFMT_DXT1:
249         case WINED3DFMT_DXT2:
250         case WINED3DFMT_DXT3:
251         case WINED3DFMT_DXT4:
252         case WINED3DFMT_DXT5:
253         case WINED3DFMT_MULTI2_ARGB8:
254         case WINED3DFMT_G8R8_G8B8:
255         case WINED3DFMT_R8G8_B8G8:
256             DDPixelFormat->dwFlags = DDPF_FOURCC;
257             DDPixelFormat->dwFourCC = wined3d_format;
258             break;
259 
260         /* Luminance */
261         case WINED3DFMT_L8_UNORM:
262             DDPixelFormat->dwFlags = DDPF_LUMINANCE;
263             DDPixelFormat->dwFourCC = 0;
264             DDPixelFormat->u1.dwLuminanceBitCount = 8;
265             DDPixelFormat->u2.dwLuminanceBitMask = 0xff;
266             DDPixelFormat->u3.dwBumpDvBitMask = 0x0;
267             DDPixelFormat->u4.dwBumpLuminanceBitMask = 0x0;
268             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0x0;
269             break;
270 
271         case WINED3DFMT_L4A4_UNORM:
272             DDPixelFormat->dwFlags = DDPF_ALPHAPIXELS | DDPF_LUMINANCE;
273             DDPixelFormat->dwFourCC = 0;
274             DDPixelFormat->u1.dwLuminanceBitCount = 4;
275             DDPixelFormat->u2.dwLuminanceBitMask = 0x0f;
276             DDPixelFormat->u3.dwBumpDvBitMask = 0x0;
277             DDPixelFormat->u4.dwBumpLuminanceBitMask = 0x0;
278             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0xf0;
279             break;
280 
281         case WINED3DFMT_L8A8_UNORM:
282             DDPixelFormat->dwFlags = DDPF_ALPHAPIXELS | DDPF_LUMINANCE;
283             DDPixelFormat->dwFourCC = 0;
284             DDPixelFormat->u1.dwLuminanceBitCount = 16;
285             DDPixelFormat->u2.dwLuminanceBitMask = 0x00ff;
286             DDPixelFormat->u3.dwBumpDvBitMask = 0x0;
287             DDPixelFormat->u4.dwBumpLuminanceBitMask = 0x0;
288             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0xff00;
289             break;
290 
291         /* Bump mapping */
292         case WINED3DFMT_R8G8_SNORM:
293             DDPixelFormat->dwFlags = DDPF_BUMPDUDV;
294             DDPixelFormat->dwFourCC = 0;
295             DDPixelFormat->u1.dwBumpBitCount = 16;
296             DDPixelFormat->u2.dwBumpDuBitMask =         0x000000ff;
297             DDPixelFormat->u3.dwBumpDvBitMask =         0x0000ff00;
298             DDPixelFormat->u4.dwBumpLuminanceBitMask =  0x00000000;
299             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0x00000000;
300             break;
301 
302         case WINED3DFMT_R5G5_SNORM_L6_UNORM:
303             DDPixelFormat->dwFlags = DDPF_BUMPDUDV | DDPF_BUMPLUMINANCE;
304             DDPixelFormat->dwFourCC = 0;
305             DDPixelFormat->u1.dwBumpBitCount = 16;
306             DDPixelFormat->u2.dwBumpDuBitMask =         0x0000001f;
307             DDPixelFormat->u3.dwBumpDvBitMask =         0x000003e0;
308             DDPixelFormat->u4.dwBumpLuminanceBitMask =  0x0000fc00;
309             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0x00000000;
310             break;
311 
312         case WINED3DFMT_R8G8_SNORM_L8X8_UNORM:
313             DDPixelFormat->dwFlags = DDPF_BUMPDUDV | DDPF_BUMPLUMINANCE;
314             DDPixelFormat->dwFourCC = 0;
315             DDPixelFormat->u1.dwBumpBitCount = 32;
316             DDPixelFormat->u2.dwBumpDuBitMask =         0x000000ff;
317             DDPixelFormat->u3.dwBumpDvBitMask =         0x0000ff00;
318             DDPixelFormat->u4.dwBumpLuminanceBitMask =  0x00ff0000;
319             DDPixelFormat->u5.dwLuminanceAlphaBitMask = 0x00000000;
320             break;
321 
322         default:
323             FIXME("Unhandled wined3d format %#x.\n", wined3d_format);
324             break;
325     }
326 
327     if(TRACE_ON(ddraw)) {
328         TRACE("Returning: ");
329         DDRAW_dump_pixelformat(DDPixelFormat);
330     }
331 }
332 
wined3dformat_from_ddrawformat(const DDPIXELFORMAT * DDPixelFormat)333 enum wined3d_format_id wined3dformat_from_ddrawformat(const DDPIXELFORMAT *DDPixelFormat)
334 {
335     TRACE("Convert a DirectDraw Pixelformat to a WineD3D Pixelformat\n");
336     if(TRACE_ON(ddraw))
337     {
338         DDRAW_dump_pixelformat(DDPixelFormat);
339     }
340 
341     if(DDPixelFormat->dwFlags & DDPF_PALETTEINDEXED8)
342     {
343         return WINED3DFMT_P8_UINT;
344     }
345     else if(DDPixelFormat->dwFlags & (DDPF_PALETTEINDEXED1 | DDPF_PALETTEINDEXED2 | DDPF_PALETTEINDEXED4) )
346     {
347         FIXME("DDPF_PALETTEINDEXED1 to DDPF_PALETTEINDEXED4 are not supported by WineD3D (yet). Returning WINED3DFMT_P8\n");
348         return WINED3DFMT_P8_UINT;
349     }
350     else if(DDPixelFormat->dwFlags & DDPF_RGB)
351     {
352         switch(DDPixelFormat->u1.dwRGBBitCount)
353         {
354             case 8:
355                 /* This is the only format that can match here */
356                 return WINED3DFMT_B2G3R3_UNORM;
357 
358             case 16:
359                 /* Read the Color masks */
360                 if( (DDPixelFormat->u2.dwRBitMask == 0xF800) &&
361                     (DDPixelFormat->u3.dwGBitMask == 0x07E0) &&
362                     (DDPixelFormat->u4.dwBBitMask == 0x001F) )
363                 {
364                     return WINED3DFMT_B5G6R5_UNORM;
365                 }
366 
367                 if( (DDPixelFormat->u2.dwRBitMask == 0x7C00) &&
368                     (DDPixelFormat->u3.dwGBitMask == 0x03E0) &&
369                     (DDPixelFormat->u4.dwBBitMask == 0x001F) )
370                 {
371                     if( (DDPixelFormat->dwFlags & DDPF_ALPHAPIXELS) &&
372                         (DDPixelFormat->u5.dwRGBAlphaBitMask == 0x8000))
373                         return WINED3DFMT_B5G5R5A1_UNORM;
374                     else
375                         return WINED3DFMT_B5G5R5X1_UNORM;
376                 }
377 
378                 if( (DDPixelFormat->u2.dwRBitMask == 0x0F00) &&
379                     (DDPixelFormat->u3.dwGBitMask == 0x00F0) &&
380                     (DDPixelFormat->u4.dwBBitMask == 0x000F) )
381                 {
382                     if( (DDPixelFormat->dwFlags & DDPF_ALPHAPIXELS) &&
383                         (DDPixelFormat->u5.dwRGBAlphaBitMask == 0xF000))
384                         return WINED3DFMT_B4G4R4A4_UNORM;
385                     else
386                         return WINED3DFMT_B4G4R4X4_UNORM;
387                 }
388 
389                 if( (DDPixelFormat->dwFlags & DDPF_ALPHAPIXELS) &&
390                     (DDPixelFormat->u5.dwRGBAlphaBitMask == 0xFF00) &&
391                     (DDPixelFormat->u2.dwRBitMask == 0x00E0) &&
392                     (DDPixelFormat->u3.dwGBitMask == 0x001C) &&
393                     (DDPixelFormat->u4.dwBBitMask == 0x0003) )
394                 {
395                     return WINED3DFMT_B2G3R3A8_UNORM;
396                 }
397                 WARN("16 bit RGB Pixel format does not match.\n");
398                 return WINED3DFMT_UNKNOWN;
399 
400             case 24:
401                 return WINED3DFMT_B8G8R8_UNORM;
402 
403             case 32:
404                 /* Read the Color masks */
405                 if( (DDPixelFormat->u2.dwRBitMask == 0x00FF0000) &&
406                     (DDPixelFormat->u3.dwGBitMask == 0x0000FF00) &&
407                     (DDPixelFormat->u4.dwBBitMask == 0x000000FF) )
408                 {
409                     if( (DDPixelFormat->dwFlags & DDPF_ALPHAPIXELS) &&
410                         (DDPixelFormat->u5.dwRGBAlphaBitMask == 0xFF000000))
411                         return WINED3DFMT_B8G8R8A8_UNORM;
412                     else
413                         return WINED3DFMT_B8G8R8X8_UNORM;
414 
415                 }
416                 WARN("32 bit RGB pixel format does not match.\n");
417                 return WINED3DFMT_UNKNOWN;
418 
419             default:
420                 WARN("Invalid dwRGBBitCount in Pixelformat structure.\n");
421                 return WINED3DFMT_UNKNOWN;
422         }
423     }
424     else if( (DDPixelFormat->dwFlags & DDPF_ALPHA) )
425     {
426         /* Alpha only Pixelformat */
427         switch(DDPixelFormat->u1.dwAlphaBitDepth)
428         {
429             case 8:
430                 return WINED3DFMT_A8_UNORM;
431 
432             default:
433                 WARN("Invalid AlphaBitDepth in Alpha-Only Pixelformat.\n");
434                 return WINED3DFMT_UNKNOWN;
435         }
436     }
437     else if(DDPixelFormat->dwFlags & DDPF_LUMINANCE)
438     {
439         /* Luminance-only or luminance-alpha */
440         if(DDPixelFormat->dwFlags & DDPF_ALPHAPIXELS)
441         {
442             /* Luminance with Alpha */
443             switch(DDPixelFormat->u1.dwLuminanceBitCount)
444             {
445                 case 4:
446                     if(DDPixelFormat->u1.dwAlphaBitDepth == 4)
447                         return WINED3DFMT_L4A4_UNORM;
448                     WARN("Unknown Alpha / Luminance bit depth combination.\n");
449                     return WINED3DFMT_UNKNOWN;
450 
451                 case 6:
452                     FIXME("A luminance Pixelformat shouldn't have 6 luminance bits. Returning D3DFMT_L6V5U5 for now.\n");
453                     return WINED3DFMT_R5G5_SNORM_L6_UNORM;
454 
455                 case 8:
456                     if(DDPixelFormat->u1.dwAlphaBitDepth == 8)
457                         return WINED3DFMT_L8A8_UNORM;
458                     WARN("Unknown Alpha / Lumincase bit depth combination.\n");
459                     return WINED3DFMT_UNKNOWN;
460             }
461         }
462         else
463         {
464             /* Luminance-only */
465             switch(DDPixelFormat->u1.dwLuminanceBitCount)
466             {
467                 case 6:
468                     FIXME("A luminance Pixelformat shouldn't have 6 luminance bits. Returning D3DFMT_L6V5U5 for now.\n");
469                     return WINED3DFMT_R5G5_SNORM_L6_UNORM;
470 
471                 case 8:
472                     return WINED3DFMT_L8_UNORM;
473 
474                 default:
475                     WARN("Unknown luminance-only bit depth 0x%x.\n", DDPixelFormat->u1.dwLuminanceBitCount);
476                     return WINED3DFMT_UNKNOWN;
477              }
478         }
479     }
480     else if(DDPixelFormat->dwFlags & DDPF_ZBUFFER)
481     {
482         /* Z buffer */
483         if(DDPixelFormat->dwFlags & DDPF_STENCILBUFFER)
484         {
485             switch(DDPixelFormat->u1.dwZBufferBitDepth)
486             {
487                 case 16:
488                     if (DDPixelFormat->u2.dwStencilBitDepth == 1) return WINED3DFMT_S1_UINT_D15_UNORM;
489                     WARN("Unknown depth stencil format: 16 z bits, %u stencil bits.\n",
490                             DDPixelFormat->u2.dwStencilBitDepth);
491                     return WINED3DFMT_UNKNOWN;
492 
493                 case 32:
494                     if (DDPixelFormat->u2.dwStencilBitDepth == 8) return WINED3DFMT_D24_UNORM_S8_UINT;
495                     else if (DDPixelFormat->u2.dwStencilBitDepth == 4) return WINED3DFMT_S4X4_UINT_D24_UNORM;
496                     WARN("Unknown depth stencil format: 32 z bits, %u stencil bits.\n",
497                             DDPixelFormat->u2.dwStencilBitDepth);
498                     return WINED3DFMT_UNKNOWN;
499 
500                 default:
501                     WARN("Unknown depth stencil format: %u z bits, %u stencil bits.\n",
502                             DDPixelFormat->u1.dwZBufferBitDepth, DDPixelFormat->u2.dwStencilBitDepth);
503                     return WINED3DFMT_UNKNOWN;
504             }
505         }
506         else
507         {
508             switch(DDPixelFormat->u1.dwZBufferBitDepth)
509             {
510                 case 16:
511                     return WINED3DFMT_D16_UNORM;
512 
513                 case 24:
514                     return WINED3DFMT_X8D24_UNORM;
515 
516                 case 32:
517                     if (DDPixelFormat->u3.dwZBitMask == 0x00FFFFFF) return WINED3DFMT_X8D24_UNORM;
518                     else if (DDPixelFormat->u3.dwZBitMask == 0xFFFFFF00) return WINED3DFMT_X8D24_UNORM;
519                     else if (DDPixelFormat->u3.dwZBitMask == 0xFFFFFFFF) return WINED3DFMT_D32_UNORM;
520                     WARN("Unknown depth-only format: 32 z bits, mask 0x%08x\n",
521                             DDPixelFormat->u3.dwZBitMask);
522                     return WINED3DFMT_UNKNOWN;
523 
524                 default:
525                     WARN("Unknown depth-only format: %u z bits, mask 0x%08x\n",
526                             DDPixelFormat->u1.dwZBufferBitDepth, DDPixelFormat->u3.dwZBitMask);
527                     return WINED3DFMT_UNKNOWN;
528             }
529         }
530     }
531     else if(DDPixelFormat->dwFlags & DDPF_FOURCC)
532     {
533         return DDPixelFormat->dwFourCC;
534     }
535     else if(DDPixelFormat->dwFlags & DDPF_BUMPDUDV)
536     {
537         if( (DDPixelFormat->u1.dwBumpBitCount         == 16        ) &&
538             (DDPixelFormat->u2.dwBumpDuBitMask        == 0x000000ff) &&
539             (DDPixelFormat->u3.dwBumpDvBitMask        == 0x0000ff00) &&
540             (DDPixelFormat->u4.dwBumpLuminanceBitMask == 0x00000000) )
541         {
542             return WINED3DFMT_R8G8_SNORM;
543         }
544         else if ( (DDPixelFormat->u1.dwBumpBitCount         == 16        ) &&
545                   (DDPixelFormat->u2.dwBumpDuBitMask        == 0x0000001f) &&
546                   (DDPixelFormat->u3.dwBumpDvBitMask        == 0x000003e0) &&
547                   (DDPixelFormat->u4.dwBumpLuminanceBitMask == 0x0000fc00) )
548         {
549             return WINED3DFMT_R5G5_SNORM_L6_UNORM;
550         }
551         else if ( (DDPixelFormat->u1.dwBumpBitCount         == 32        ) &&
552                   (DDPixelFormat->u2.dwBumpDuBitMask        == 0x000000ff) &&
553                   (DDPixelFormat->u3.dwBumpDvBitMask        == 0x0000ff00) &&
554                   (DDPixelFormat->u4.dwBumpLuminanceBitMask == 0x00ff0000) )
555         {
556             return WINED3DFMT_R8G8_SNORM_L8X8_UNORM;
557         }
558     }
559 
560     WARN("Unknown Pixelformat.\n");
561     return WINED3DFMT_UNKNOWN;
562 }
563 
wined3dmapflags_from_ddrawmapflags(unsigned int flags)564 unsigned int wined3dmapflags_from_ddrawmapflags(unsigned int flags)
565 {
566     static const unsigned int handled = DDLOCK_NOSYSLOCK
567             | DDLOCK_NOOVERWRITE
568             | DDLOCK_DISCARDCONTENTS
569             | DDLOCK_DONOTWAIT;
570     unsigned int wined3d_flags;
571 
572     wined3d_flags = flags & handled;
573     if (!(flags & (DDLOCK_NOOVERWRITE | DDLOCK_DISCARDCONTENTS | DDLOCK_WRITEONLY)))
574         wined3d_flags |= WINED3D_MAP_READ;
575     if (!(flags & DDLOCK_READONLY))
576         wined3d_flags |= WINED3D_MAP_WRITE;
577     if (!(wined3d_flags & (WINED3D_MAP_READ | WINED3D_MAP_WRITE)))
578         wined3d_flags |= WINED3D_MAP_READ | WINED3D_MAP_WRITE;
579     if (flags & DDLOCK_NODIRTYUPDATE)
580         wined3d_flags |= WINED3D_MAP_NO_DIRTY_UPDATE;
581     flags &= ~(handled | DDLOCK_WAIT | DDLOCK_READONLY | DDLOCK_WRITEONLY | DDLOCK_NODIRTYUPDATE);
582 
583     if (flags)
584         FIXME("Unhandled flags %#x.\n", flags);
585 
586     return wined3d_flags;
587 }
588 
colour_to_float(DWORD colour,DWORD mask)589 static float colour_to_float(DWORD colour, DWORD mask)
590 {
591     if (!mask)
592         return 0.0f;
593     return (float)(colour & mask) / (float)mask;
594 }
595 
wined3d_colour_from_ddraw_colour(const DDPIXELFORMAT * pf,const struct ddraw_palette * palette,DWORD colour,struct wined3d_color * wined3d_colour)596 BOOL wined3d_colour_from_ddraw_colour(const DDPIXELFORMAT *pf, const struct ddraw_palette *palette,
597         DWORD colour, struct wined3d_color *wined3d_colour)
598 {
599     if (pf->dwFlags & DDPF_ALPHA)
600     {
601         DWORD size, mask;
602 
603         size = pf->u1.dwAlphaBitDepth;
604         mask = size < 32 ? (1u << size) - 1 : ~0u;
605         wined3d_colour->r = 0.0f;
606         wined3d_colour->g = 0.0f;
607         wined3d_colour->b = 0.0f;
608         wined3d_colour->a = colour_to_float(colour, mask);
609         return TRUE;
610     }
611 
612     if (pf->dwFlags & DDPF_FOURCC)
613     {
614         WARN("FourCC formats not supported.\n");
615         goto fail;
616     }
617 
618     if (pf->dwFlags & DDPF_PALETTEINDEXED8)
619     {
620         PALETTEENTRY entry;
621 
622         colour &= 0xff;
623         if (!palette || FAILED(wined3d_palette_get_entries(palette->wined3d_palette, 0, colour, 1, &entry)))
624         {
625             wined3d_colour->r = 0.0f;
626             wined3d_colour->g = 0.0f;
627             wined3d_colour->b = 0.0f;
628         }
629         else
630         {
631             wined3d_colour->r = entry.peRed / 255.0f;
632             wined3d_colour->g = entry.peGreen / 255.0f;
633             wined3d_colour->b = entry.peBlue / 255.0f;
634         }
635         wined3d_colour->a = colour / 255.0f;
636         return TRUE;
637     }
638 
639     if (pf->dwFlags & DDPF_RGB)
640     {
641         wined3d_colour->r = colour_to_float(colour, pf->u2.dwRBitMask);
642         wined3d_colour->g = colour_to_float(colour, pf->u3.dwGBitMask);
643         wined3d_colour->b = colour_to_float(colour, pf->u4.dwBBitMask);
644         if (pf->dwFlags & DDPF_ALPHAPIXELS)
645             wined3d_colour->a = colour_to_float(colour, pf->u5.dwRGBAlphaBitMask);
646         else
647             wined3d_colour->a = 0.0f;
648         return TRUE;
649     }
650 
651     if (pf->dwFlags & DDPF_ZBUFFER)
652     {
653         wined3d_colour->r = colour_to_float(colour, pf->u3.dwZBitMask);
654         if (pf->dwFlags & DDPF_STENCILBUFFER)
655             wined3d_colour->g = colour_to_float(colour, pf->u4.dwStencilBitMask);
656         else
657             wined3d_colour->g = 0.0f;
658         wined3d_colour->b = 0.0f;
659         wined3d_colour->a = 0.0f;
660         return TRUE;
661     }
662 
663     FIXME("Unhandled pixel format.\n");
664     DDRAW_dump_pixelformat(pf);
665 
666 fail:
667     wined3d_colour->r = 0.0f;
668     wined3d_colour->g = 0.0f;
669     wined3d_colour->b = 0.0f;
670     wined3d_colour->a = 0.0f;
671 
672     return FALSE;
673 }
674 
675 /*****************************************************************************
676  * Various dumping functions.
677  *
678  * They write the contents of a specific function to a TRACE.
679  *
680  *****************************************************************************/
681 static void
DDRAW_dump_DWORD(const void * in)682 DDRAW_dump_DWORD(const void *in)
683 {
684     TRACE("%d\n", *((const DWORD *) in));
685 }
686 static void
DDRAW_dump_PTR(const void * in)687 DDRAW_dump_PTR(const void *in)
688 {
689     TRACE("%p\n", *((const void * const*) in));
690 }
691 static void
DDRAW_dump_DDCOLORKEY(const DDCOLORKEY * ddck)692 DDRAW_dump_DDCOLORKEY(const DDCOLORKEY *ddck)
693 {
694     TRACE("Low : 0x%08x  - High : 0x%08x\n", ddck->dwColorSpaceLowValue, ddck->dwColorSpaceHighValue);
695 }
696 
DDRAW_dump_flags_nolf(DWORD flags,const struct flag_info * names,size_t num_names)697 static void DDRAW_dump_flags_nolf(DWORD flags, const struct flag_info *names, size_t num_names)
698 {
699     unsigned int i;
700 
701     for (i=0; i < num_names; i++)
702         if ((flags & names[i].val) ||      /* standard flag value */
703             ((!flags) && (!names[i].val))) /* zero value only */
704             TRACE("%s ", names[i].name);
705 }
706 
DDRAW_dump_flags(DWORD flags,const struct flag_info * names,size_t num_names)707 static void DDRAW_dump_flags(DWORD flags, const struct flag_info *names, size_t num_names)
708 {
709     DDRAW_dump_flags_nolf(flags, names, num_names);
710     TRACE("\n");
711 }
712 
DDRAW_dump_DDSCAPS2(const DDSCAPS2 * in)713 void DDRAW_dump_DDSCAPS2(const DDSCAPS2 *in)
714 {
715     static const struct flag_info flags[] =
716     {
717         FE(DDSCAPS_RESERVED1),
718         FE(DDSCAPS_ALPHA),
719         FE(DDSCAPS_BACKBUFFER),
720         FE(DDSCAPS_COMPLEX),
721         FE(DDSCAPS_FLIP),
722         FE(DDSCAPS_FRONTBUFFER),
723         FE(DDSCAPS_OFFSCREENPLAIN),
724         FE(DDSCAPS_OVERLAY),
725         FE(DDSCAPS_PALETTE),
726         FE(DDSCAPS_PRIMARYSURFACE),
727         FE(DDSCAPS_PRIMARYSURFACELEFT),
728         FE(DDSCAPS_SYSTEMMEMORY),
729         FE(DDSCAPS_TEXTURE),
730         FE(DDSCAPS_3DDEVICE),
731         FE(DDSCAPS_VIDEOMEMORY),
732         FE(DDSCAPS_VISIBLE),
733         FE(DDSCAPS_WRITEONLY),
734         FE(DDSCAPS_ZBUFFER),
735         FE(DDSCAPS_OWNDC),
736         FE(DDSCAPS_LIVEVIDEO),
737         FE(DDSCAPS_HWCODEC),
738         FE(DDSCAPS_MODEX),
739         FE(DDSCAPS_MIPMAP),
740         FE(DDSCAPS_RESERVED2),
741         FE(DDSCAPS_ALLOCONLOAD),
742         FE(DDSCAPS_VIDEOPORT),
743         FE(DDSCAPS_LOCALVIDMEM),
744         FE(DDSCAPS_NONLOCALVIDMEM),
745         FE(DDSCAPS_STANDARDVGAMODE),
746         FE(DDSCAPS_OPTIMIZED)
747     };
748     static const struct flag_info flags2[] =
749     {
750         FE(DDSCAPS2_HARDWAREDEINTERLACE),
751         FE(DDSCAPS2_HINTDYNAMIC),
752         FE(DDSCAPS2_HINTSTATIC),
753         FE(DDSCAPS2_TEXTUREMANAGE),
754         FE(DDSCAPS2_RESERVED1),
755         FE(DDSCAPS2_RESERVED2),
756         FE(DDSCAPS2_OPAQUE),
757         FE(DDSCAPS2_HINTANTIALIASING),
758         FE(DDSCAPS2_CUBEMAP),
759         FE(DDSCAPS2_CUBEMAP_POSITIVEX),
760         FE(DDSCAPS2_CUBEMAP_NEGATIVEX),
761         FE(DDSCAPS2_CUBEMAP_POSITIVEY),
762         FE(DDSCAPS2_CUBEMAP_NEGATIVEY),
763         FE(DDSCAPS2_CUBEMAP_POSITIVEZ),
764         FE(DDSCAPS2_CUBEMAP_NEGATIVEZ),
765         FE(DDSCAPS2_MIPMAPSUBLEVEL),
766         FE(DDSCAPS2_D3DTEXTUREMANAGE),
767         FE(DDSCAPS2_DONOTPERSIST),
768         FE(DDSCAPS2_STEREOSURFACELEFT)
769     };
770 
771     DDRAW_dump_flags_nolf(in->dwCaps, flags, ARRAY_SIZE(flags));
772     DDRAW_dump_flags(in->dwCaps2, flags2, ARRAY_SIZE(flags2));
773 }
774 
775 static void
DDRAW_dump_DDSCAPS(const DDSCAPS * in)776 DDRAW_dump_DDSCAPS(const DDSCAPS *in)
777 {
778     DDSCAPS2 in_bis;
779 
780     in_bis.dwCaps = in->dwCaps;
781     in_bis.dwCaps2 = 0;
782     in_bis.dwCaps3 = 0;
783     in_bis.u1.dwCaps4 = 0;
784 
785     DDRAW_dump_DDSCAPS2(&in_bis);
786 }
787 
788 static void
DDRAW_dump_pixelformat_flag(DWORD flagmask)789 DDRAW_dump_pixelformat_flag(DWORD flagmask)
790 {
791     static const struct flag_info flags[] =
792     {
793         FE(DDPF_ALPHAPIXELS),
794         FE(DDPF_ALPHA),
795         FE(DDPF_FOURCC),
796         FE(DDPF_PALETTEINDEXED4),
797         FE(DDPF_PALETTEINDEXEDTO8),
798         FE(DDPF_PALETTEINDEXED8),
799         FE(DDPF_RGB),
800         FE(DDPF_COMPRESSED),
801         FE(DDPF_RGBTOYUV),
802         FE(DDPF_YUV),
803         FE(DDPF_ZBUFFER),
804         FE(DDPF_PALETTEINDEXED1),
805         FE(DDPF_PALETTEINDEXED2),
806         FE(DDPF_ZPIXELS)
807     };
808 
809     DDRAW_dump_flags_nolf(flagmask, flags, ARRAY_SIZE(flags));
810 }
811 
DDRAW_dump_members(DWORD flags,const void * data,const struct member_info * mems,size_t num_mems)812 static void DDRAW_dump_members(DWORD flags, const void *data, const struct member_info *mems, size_t num_mems)
813 {
814     unsigned int i;
815 
816     for (i=0; i < num_mems; i++)
817     {
818         if (mems[i].val & flags)
819         {
820             TRACE(" - %s : ", mems[i].name);
821             mems[i].func((const char *)data + mems[i].offset);
822         }
823     }
824 }
825 
826 static void
DDRAW_dump_pixelformat(const DDPIXELFORMAT * pf)827 DDRAW_dump_pixelformat(const DDPIXELFORMAT *pf)
828 {
829     TRACE("( ");
830     DDRAW_dump_pixelformat_flag(pf->dwFlags);
831     if (pf->dwFlags & DDPF_FOURCC)
832         TRACE(", dwFourCC code '%c%c%c%c' (0x%08x) - %u bits per pixel",
833                 (unsigned char)( pf->dwFourCC     &0xff),
834                 (unsigned char)((pf->dwFourCC>> 8)&0xff),
835                 (unsigned char)((pf->dwFourCC>>16)&0xff),
836                 (unsigned char)((pf->dwFourCC>>24)&0xff),
837                 pf->dwFourCC,
838                 pf->u1.dwYUVBitCount);
839     if (pf->dwFlags & DDPF_RGB)
840     {
841         TRACE(", RGB bits: %u, R 0x%08x G 0x%08x B 0x%08x",
842                 pf->u1.dwRGBBitCount,
843                 pf->u2.dwRBitMask,
844                 pf->u3.dwGBitMask,
845                 pf->u4.dwBBitMask);
846         if (pf->dwFlags & DDPF_ALPHAPIXELS)
847             TRACE(" A 0x%08x", pf->u5.dwRGBAlphaBitMask);
848         if (pf->dwFlags & DDPF_ZPIXELS)
849             TRACE(" Z 0x%08x", pf->u5.dwRGBZBitMask);
850     }
851     if (pf->dwFlags & DDPF_ZBUFFER)
852         TRACE(", Z bits: %u", pf->u1.dwZBufferBitDepth);
853     if (pf->dwFlags & DDPF_ALPHA)
854         TRACE(", Alpha bits: %u", pf->u1.dwAlphaBitDepth);
855     if (pf->dwFlags & DDPF_BUMPDUDV)
856         TRACE(", Bump bits: %u, U 0x%08x V 0x%08x L 0x%08x",
857                 pf->u1.dwBumpBitCount,
858                 pf->u2.dwBumpDuBitMask,
859                 pf->u3.dwBumpDvBitMask,
860                 pf->u4.dwBumpLuminanceBitMask);
861     TRACE(")\n");
862 }
863 
DDRAW_dump_surface_desc(const DDSURFACEDESC2 * lpddsd)864 void DDRAW_dump_surface_desc(const DDSURFACEDESC2 *lpddsd)
865 {
866 #define STRUCT DDSURFACEDESC2
867     static const struct member_info members[] =
868     {
869         ME(DDSD_HEIGHT, DDRAW_dump_DWORD, dwHeight),
870         ME(DDSD_WIDTH, DDRAW_dump_DWORD, dwWidth),
871         ME(DDSD_PITCH, DDRAW_dump_DWORD, u1 /* lPitch */),
872         ME(DDSD_LINEARSIZE, DDRAW_dump_DWORD, u1 /* dwLinearSize */),
873         ME(DDSD_BACKBUFFERCOUNT, DDRAW_dump_DWORD, u5.dwBackBufferCount),
874         ME(DDSD_MIPMAPCOUNT, DDRAW_dump_DWORD, u2 /* dwMipMapCount */),
875         ME(DDSD_ZBUFFERBITDEPTH, DDRAW_dump_DWORD, u2 /* dwZBufferBitDepth */), /* This is for 'old-style' D3D */
876         ME(DDSD_REFRESHRATE, DDRAW_dump_DWORD, u2 /* dwRefreshRate */),
877         ME(DDSD_ALPHABITDEPTH, DDRAW_dump_DWORD, dwAlphaBitDepth),
878         ME(DDSD_LPSURFACE, DDRAW_dump_PTR, lpSurface),
879         ME(DDSD_CKDESTOVERLAY, DDRAW_dump_DDCOLORKEY, u3 /* ddckCKDestOverlay */),
880         ME(DDSD_CKDESTBLT, DDRAW_dump_DDCOLORKEY, ddckCKDestBlt),
881         ME(DDSD_CKSRCOVERLAY, DDRAW_dump_DDCOLORKEY, ddckCKSrcOverlay),
882         ME(DDSD_CKSRCBLT, DDRAW_dump_DDCOLORKEY, ddckCKSrcBlt),
883         ME(DDSD_PIXELFORMAT, DDRAW_dump_pixelformat, u4 /* ddpfPixelFormat */)
884     };
885     static const struct member_info members_caps[] =
886     {
887         ME(DDSD_CAPS, DDRAW_dump_DDSCAPS, ddsCaps)
888     };
889     static const struct member_info members_caps2[] =
890     {
891         ME(DDSD_CAPS, DDRAW_dump_DDSCAPS2, ddsCaps)
892     };
893 #undef STRUCT
894 
895     if (NULL == lpddsd)
896     {
897         TRACE("(null)\n");
898     }
899     else
900     {
901       if (lpddsd->dwSize >= sizeof(DDSURFACEDESC2))
902       {
903           DDRAW_dump_members(lpddsd->dwFlags, lpddsd, members_caps2, 1);
904       }
905       else
906       {
907           DDRAW_dump_members(lpddsd->dwFlags, lpddsd, members_caps, 1);
908       }
909       DDRAW_dump_members(lpddsd->dwFlags, lpddsd, members, ARRAY_SIZE(members));
910     }
911 }
912 
913 void
dump_D3DMATRIX(const D3DMATRIX * mat)914 dump_D3DMATRIX(const D3DMATRIX *mat)
915 {
916     TRACE("  %f %f %f %f\n", mat->_11, mat->_12, mat->_13, mat->_14);
917     TRACE("  %f %f %f %f\n", mat->_21, mat->_22, mat->_23, mat->_24);
918     TRACE("  %f %f %f %f\n", mat->_31, mat->_32, mat->_33, mat->_34);
919     TRACE("  %f %f %f %f\n", mat->_41, mat->_42, mat->_43, mat->_44);
920 }
921 
922 DWORD
get_flexible_vertex_size(DWORD d3dvtVertexType)923 get_flexible_vertex_size(DWORD d3dvtVertexType)
924 {
925     DWORD size = 0;
926     DWORD i;
927 
928     if (d3dvtVertexType & D3DFVF_NORMAL) size += 3 * sizeof(D3DVALUE);
929     if (d3dvtVertexType & D3DFVF_DIFFUSE) size += sizeof(DWORD);
930     if (d3dvtVertexType & D3DFVF_SPECULAR) size += sizeof(DWORD);
931     if (d3dvtVertexType & D3DFVF_RESERVED1) size += sizeof(DWORD);
932     switch (d3dvtVertexType & D3DFVF_POSITION_MASK)
933     {
934         case D3DFVF_XYZ:    size += 3 * sizeof(D3DVALUE); break;
935         case D3DFVF_XYZRHW: size += 4 * sizeof(D3DVALUE); break;
936         case D3DFVF_XYZB1:  size += 4 * sizeof(D3DVALUE); break;
937         case D3DFVF_XYZB2:  size += 5 * sizeof(D3DVALUE); break;
938         case D3DFVF_XYZB3:  size += 6 * sizeof(D3DVALUE); break;
939         case D3DFVF_XYZB4:  size += 7 * sizeof(D3DVALUE); break;
940         case D3DFVF_XYZB5:  size += 8 * sizeof(D3DVALUE); break;
941         default: ERR("Unexpected position mask\n");
942     }
943     for (i = 0; i < GET_TEXCOUNT_FROM_FVF(d3dvtVertexType); i++)
944     {
945         size += GET_TEXCOORD_SIZE_FROM_FVF(d3dvtVertexType, i) * sizeof(D3DVALUE);
946     }
947 
948     return size;
949 }
950 
DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS * pIn,DDSCAPS2 * pOut)951 void DDRAW_Convert_DDSCAPS_1_To_2(const DDSCAPS* pIn, DDSCAPS2* pOut)
952 {
953     /* 2 adds three additional caps fields to the end. Both versions
954      * are unversioned. */
955     pOut->dwCaps = pIn->dwCaps;
956     pOut->dwCaps2 = 0;
957     pOut->dwCaps3 = 0;
958     pOut->u1.dwCaps4 = 0;
959 }
960 
DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2 * pIn,DDDEVICEIDENTIFIER * pOut)961 void DDRAW_Convert_DDDEVICEIDENTIFIER_2_To_1(const DDDEVICEIDENTIFIER2* pIn, DDDEVICEIDENTIFIER* pOut)
962 {
963     /* 2 adds a dwWHQLLevel field to the end. Both structures are
964      * unversioned. */
965     memcpy(pOut, pIn, sizeof(*pOut));
966 }
967 
DDRAW_dump_cooperativelevel(DWORD cooplevel)968 void DDRAW_dump_cooperativelevel(DWORD cooplevel)
969 {
970     static const struct flag_info flags[] =
971     {
972         FE(DDSCL_FULLSCREEN),
973         FE(DDSCL_ALLOWREBOOT),
974         FE(DDSCL_NOWINDOWCHANGES),
975         FE(DDSCL_NORMAL),
976         FE(DDSCL_ALLOWMODEX),
977         FE(DDSCL_EXCLUSIVE),
978         FE(DDSCL_SETFOCUSWINDOW),
979         FE(DDSCL_SETDEVICEWINDOW),
980         FE(DDSCL_CREATEDEVICEWINDOW)
981     };
982 
983     if (TRACE_ON(ddraw))
984     {
985         TRACE(" - ");
986         DDRAW_dump_flags(cooplevel, flags, ARRAY_SIZE(flags));
987     }
988 }
989 
DDRAW_dump_DDCAPS(const DDCAPS * lpcaps)990 void DDRAW_dump_DDCAPS(const DDCAPS *lpcaps)
991 {
992     static const struct flag_info flags1[] =
993     {
994         FE(DDCAPS_3D),
995         FE(DDCAPS_ALIGNBOUNDARYDEST),
996         FE(DDCAPS_ALIGNSIZEDEST),
997         FE(DDCAPS_ALIGNBOUNDARYSRC),
998         FE(DDCAPS_ALIGNSIZESRC),
999         FE(DDCAPS_ALIGNSTRIDE),
1000         FE(DDCAPS_BLT),
1001         FE(DDCAPS_BLTQUEUE),
1002         FE(DDCAPS_BLTFOURCC),
1003         FE(DDCAPS_BLTSTRETCH),
1004         FE(DDCAPS_GDI),
1005         FE(DDCAPS_OVERLAY),
1006         FE(DDCAPS_OVERLAYCANTCLIP),
1007         FE(DDCAPS_OVERLAYFOURCC),
1008         FE(DDCAPS_OVERLAYSTRETCH),
1009         FE(DDCAPS_PALETTE),
1010         FE(DDCAPS_PALETTEVSYNC),
1011         FE(DDCAPS_READSCANLINE),
1012         FE(DDCAPS_STEREOVIEW),
1013         FE(DDCAPS_VBI),
1014         FE(DDCAPS_ZBLTS),
1015         FE(DDCAPS_ZOVERLAYS),
1016         FE(DDCAPS_COLORKEY),
1017         FE(DDCAPS_ALPHA),
1018         FE(DDCAPS_COLORKEYHWASSIST),
1019         FE(DDCAPS_NOHARDWARE),
1020         FE(DDCAPS_BLTCOLORFILL),
1021         FE(DDCAPS_BANKSWITCHED),
1022         FE(DDCAPS_BLTDEPTHFILL),
1023         FE(DDCAPS_CANCLIP),
1024         FE(DDCAPS_CANCLIPSTRETCHED),
1025         FE(DDCAPS_CANBLTSYSMEM)
1026     };
1027     static const struct flag_info flags2[] =
1028     {
1029         FE(DDCAPS2_CERTIFIED),
1030         FE(DDCAPS2_NO2DDURING3DSCENE),
1031         FE(DDCAPS2_VIDEOPORT),
1032         FE(DDCAPS2_AUTOFLIPOVERLAY),
1033         FE(DDCAPS2_CANBOBINTERLEAVED),
1034         FE(DDCAPS2_CANBOBNONINTERLEAVED),
1035         FE(DDCAPS2_COLORCONTROLOVERLAY),
1036         FE(DDCAPS2_COLORCONTROLPRIMARY),
1037         FE(DDCAPS2_CANDROPZ16BIT),
1038         FE(DDCAPS2_NONLOCALVIDMEM),
1039         FE(DDCAPS2_NONLOCALVIDMEMCAPS),
1040         FE(DDCAPS2_NOPAGELOCKREQUIRED),
1041         FE(DDCAPS2_WIDESURFACES),
1042         FE(DDCAPS2_CANFLIPODDEVEN),
1043         FE(DDCAPS2_CANBOBHARDWARE),
1044         FE(DDCAPS2_COPYFOURCC),
1045         FE(DDCAPS2_PRIMARYGAMMA),
1046         FE(DDCAPS2_CANRENDERWINDOWED),
1047         FE(DDCAPS2_CANCALIBRATEGAMMA),
1048         FE(DDCAPS2_FLIPINTERVAL),
1049         FE(DDCAPS2_FLIPNOVSYNC),
1050         FE(DDCAPS2_CANMANAGETEXTURE),
1051         FE(DDCAPS2_TEXMANINNONLOCALVIDMEM),
1052         FE(DDCAPS2_STEREO),
1053         FE(DDCAPS2_SYSTONONLOCAL_AS_SYSTOLOCAL)
1054     };
1055     static const struct flag_info flags3[] =
1056     {
1057         FE(DDCKEYCAPS_DESTBLT),
1058         FE(DDCKEYCAPS_DESTBLTCLRSPACE),
1059         FE(DDCKEYCAPS_DESTBLTCLRSPACEYUV),
1060         FE(DDCKEYCAPS_DESTBLTYUV),
1061         FE(DDCKEYCAPS_DESTOVERLAY),
1062         FE(DDCKEYCAPS_DESTOVERLAYCLRSPACE),
1063         FE(DDCKEYCAPS_DESTOVERLAYCLRSPACEYUV),
1064         FE(DDCKEYCAPS_DESTOVERLAYONEACTIVE),
1065         FE(DDCKEYCAPS_DESTOVERLAYYUV),
1066         FE(DDCKEYCAPS_SRCBLT),
1067         FE(DDCKEYCAPS_SRCBLTCLRSPACE),
1068         FE(DDCKEYCAPS_SRCBLTCLRSPACEYUV),
1069         FE(DDCKEYCAPS_SRCBLTYUV),
1070         FE(DDCKEYCAPS_SRCOVERLAY),
1071         FE(DDCKEYCAPS_SRCOVERLAYCLRSPACE),
1072         FE(DDCKEYCAPS_SRCOVERLAYCLRSPACEYUV),
1073         FE(DDCKEYCAPS_SRCOVERLAYONEACTIVE),
1074         FE(DDCKEYCAPS_SRCOVERLAYYUV),
1075         FE(DDCKEYCAPS_NOCOSTOVERLAY)
1076     };
1077     static const struct flag_info flags4[] =
1078     {
1079         FE(DDFXCAPS_BLTALPHA),
1080         FE(DDFXCAPS_OVERLAYALPHA),
1081         FE(DDFXCAPS_BLTARITHSTRETCHYN),
1082         FE(DDFXCAPS_BLTARITHSTRETCHY),
1083         FE(DDFXCAPS_BLTMIRRORLEFTRIGHT),
1084         FE(DDFXCAPS_BLTMIRRORUPDOWN),
1085         FE(DDFXCAPS_BLTROTATION),
1086         FE(DDFXCAPS_BLTROTATION90),
1087         FE(DDFXCAPS_BLTSHRINKX),
1088         FE(DDFXCAPS_BLTSHRINKXN),
1089         FE(DDFXCAPS_BLTSHRINKY),
1090         FE(DDFXCAPS_BLTSHRINKYN),
1091         FE(DDFXCAPS_BLTSTRETCHX),
1092         FE(DDFXCAPS_BLTSTRETCHXN),
1093         FE(DDFXCAPS_BLTSTRETCHY),
1094         FE(DDFXCAPS_BLTSTRETCHYN),
1095         FE(DDFXCAPS_OVERLAYARITHSTRETCHY),
1096         FE(DDFXCAPS_OVERLAYARITHSTRETCHYN),
1097         FE(DDFXCAPS_OVERLAYSHRINKX),
1098         FE(DDFXCAPS_OVERLAYSHRINKXN),
1099         FE(DDFXCAPS_OVERLAYSHRINKY),
1100         FE(DDFXCAPS_OVERLAYSHRINKYN),
1101         FE(DDFXCAPS_OVERLAYSTRETCHX),
1102         FE(DDFXCAPS_OVERLAYSTRETCHXN),
1103         FE(DDFXCAPS_OVERLAYSTRETCHY),
1104         FE(DDFXCAPS_OVERLAYSTRETCHYN),
1105         FE(DDFXCAPS_OVERLAYMIRRORLEFTRIGHT),
1106         FE(DDFXCAPS_OVERLAYMIRRORUPDOWN)
1107     };
1108     static const struct flag_info flags5[] =
1109     {
1110         FE(DDFXALPHACAPS_BLTALPHAEDGEBLEND),
1111         FE(DDFXALPHACAPS_BLTALPHAPIXELS),
1112         FE(DDFXALPHACAPS_BLTALPHAPIXELSNEG),
1113         FE(DDFXALPHACAPS_BLTALPHASURFACES),
1114         FE(DDFXALPHACAPS_BLTALPHASURFACESNEG),
1115         FE(DDFXALPHACAPS_OVERLAYALPHAEDGEBLEND),
1116         FE(DDFXALPHACAPS_OVERLAYALPHAPIXELS),
1117         FE(DDFXALPHACAPS_OVERLAYALPHAPIXELSNEG),
1118         FE(DDFXALPHACAPS_OVERLAYALPHASURFACES),
1119         FE(DDFXALPHACAPS_OVERLAYALPHASURFACESNEG)
1120     };
1121     static const struct flag_info flags6[] =
1122     {
1123         FE(DDPCAPS_4BIT),
1124         FE(DDPCAPS_8BITENTRIES),
1125         FE(DDPCAPS_8BIT),
1126         FE(DDPCAPS_INITIALIZE),
1127         FE(DDPCAPS_PRIMARYSURFACE),
1128         FE(DDPCAPS_PRIMARYSURFACELEFT),
1129         FE(DDPCAPS_ALLOW256),
1130         FE(DDPCAPS_VSYNC),
1131         FE(DDPCAPS_1BIT),
1132         FE(DDPCAPS_2BIT),
1133         FE(DDPCAPS_ALPHA),
1134     };
1135     static const struct flag_info flags7[] =
1136     {
1137         FE(DDSVCAPS_RESERVED1),
1138         FE(DDSVCAPS_RESERVED2),
1139         FE(DDSVCAPS_RESERVED3),
1140         FE(DDSVCAPS_RESERVED4),
1141         FE(DDSVCAPS_STEREOSEQUENTIAL),
1142     };
1143 
1144     TRACE(" - dwSize : %d\n", lpcaps->dwSize);
1145     TRACE(" - dwCaps : "); DDRAW_dump_flags(lpcaps->dwCaps, flags1, ARRAY_SIZE(flags1));
1146     TRACE(" - dwCaps2 : "); DDRAW_dump_flags(lpcaps->dwCaps2, flags2, ARRAY_SIZE(flags2));
1147     TRACE(" - dwCKeyCaps : "); DDRAW_dump_flags(lpcaps->dwCKeyCaps, flags3, ARRAY_SIZE(flags3));
1148     TRACE(" - dwFXCaps : "); DDRAW_dump_flags(lpcaps->dwFXCaps, flags4, ARRAY_SIZE(flags4));
1149     TRACE(" - dwFXAlphaCaps : "); DDRAW_dump_flags(lpcaps->dwFXAlphaCaps, flags5, ARRAY_SIZE(flags5));
1150     TRACE(" - dwPalCaps : "); DDRAW_dump_flags(lpcaps->dwPalCaps, flags6, ARRAY_SIZE(flags6));
1151     TRACE(" - dwSVCaps : "); DDRAW_dump_flags(lpcaps->dwSVCaps, flags7, ARRAY_SIZE(flags7));
1152     TRACE("...\n");
1153     TRACE(" - dwNumFourCCCodes : %d\n", lpcaps->dwNumFourCCCodes);
1154     TRACE(" - dwCurrVisibleOverlays : %d\n", lpcaps->dwCurrVisibleOverlays);
1155     TRACE(" - dwMinOverlayStretch : %d\n", lpcaps->dwMinOverlayStretch);
1156     TRACE(" - dwMaxOverlayStretch : %d\n", lpcaps->dwMaxOverlayStretch);
1157     TRACE("...\n");
1158     TRACE(" - ddsCaps : "); DDRAW_dump_DDSCAPS2(&lpcaps->ddsCaps);
1159 }
1160 
1161 /*****************************************************************************
1162  * multiply_matrix
1163  *
1164  * Multiplies 2 4x4 matrices src1 and src2, and stores the result in dest.
1165  *
1166  * Params:
1167  *  dest: Pointer to the destination matrix
1168  *  src1: Pointer to the first source matrix
1169  *  src2: Pointer to the second source matrix
1170  *
1171  *****************************************************************************/
1172 void
multiply_matrix(D3DMATRIX * dest,const D3DMATRIX * src1,const D3DMATRIX * src2)1173 multiply_matrix(D3DMATRIX *dest,
1174                 const D3DMATRIX *src1,
1175                 const D3DMATRIX *src2)
1176 {
1177     D3DMATRIX temp;
1178 
1179     /* Now do the multiplication 'by hand'.
1180        I know that all this could be optimised, but this will be done later :-) */
1181     temp._11 = (src1->_11 * src2->_11) + (src1->_21 * src2->_12) + (src1->_31 * src2->_13) + (src1->_41 * src2->_14);
1182     temp._21 = (src1->_11 * src2->_21) + (src1->_21 * src2->_22) + (src1->_31 * src2->_23) + (src1->_41 * src2->_24);
1183     temp._31 = (src1->_11 * src2->_31) + (src1->_21 * src2->_32) + (src1->_31 * src2->_33) + (src1->_41 * src2->_34);
1184     temp._41 = (src1->_11 * src2->_41) + (src1->_21 * src2->_42) + (src1->_31 * src2->_43) + (src1->_41 * src2->_44);
1185 
1186     temp._12 = (src1->_12 * src2->_11) + (src1->_22 * src2->_12) + (src1->_32 * src2->_13) + (src1->_42 * src2->_14);
1187     temp._22 = (src1->_12 * src2->_21) + (src1->_22 * src2->_22) + (src1->_32 * src2->_23) + (src1->_42 * src2->_24);
1188     temp._32 = (src1->_12 * src2->_31) + (src1->_22 * src2->_32) + (src1->_32 * src2->_33) + (src1->_42 * src2->_34);
1189     temp._42 = (src1->_12 * src2->_41) + (src1->_22 * src2->_42) + (src1->_32 * src2->_43) + (src1->_42 * src2->_44);
1190 
1191     temp._13 = (src1->_13 * src2->_11) + (src1->_23 * src2->_12) + (src1->_33 * src2->_13) + (src1->_43 * src2->_14);
1192     temp._23 = (src1->_13 * src2->_21) + (src1->_23 * src2->_22) + (src1->_33 * src2->_23) + (src1->_43 * src2->_24);
1193     temp._33 = (src1->_13 * src2->_31) + (src1->_23 * src2->_32) + (src1->_33 * src2->_33) + (src1->_43 * src2->_34);
1194     temp._43 = (src1->_13 * src2->_41) + (src1->_23 * src2->_42) + (src1->_33 * src2->_43) + (src1->_43 * src2->_44);
1195 
1196     temp._14 = (src1->_14 * src2->_11) + (src1->_24 * src2->_12) + (src1->_34 * src2->_13) + (src1->_44 * src2->_14);
1197     temp._24 = (src1->_14 * src2->_21) + (src1->_24 * src2->_22) + (src1->_34 * src2->_23) + (src1->_44 * src2->_24);
1198     temp._34 = (src1->_14 * src2->_31) + (src1->_24 * src2->_32) + (src1->_34 * src2->_33) + (src1->_44 * src2->_34);
1199     temp._44 = (src1->_14 * src2->_41) + (src1->_24 * src2->_42) + (src1->_34 * src2->_43) + (src1->_44 * src2->_44);
1200 
1201     /* And copy the new matrix in the good storage.. */
1202     memcpy(dest, &temp, 16 * sizeof(D3DVALUE));
1203 }
1204 
1205 HRESULT
hr_ddraw_from_wined3d(HRESULT hr)1206 hr_ddraw_from_wined3d(HRESULT hr)
1207 {
1208     switch(hr)
1209     {
1210         case WINED3DERR_INVALIDCALL: return DDERR_INVALIDPARAMS;
1211         default: return hr;
1212     }
1213 }
1214 
1215 /* Note that this function writes the full sizeof(DDSURFACEDESC2) size, don't use it
1216  * for writing into application-provided DDSURFACEDESC2 structures if the size may
1217  * be different */
DDSD_to_DDSD2(const DDSURFACEDESC * in,DDSURFACEDESC2 * out)1218 void DDSD_to_DDSD2(const DDSURFACEDESC *in, DDSURFACEDESC2 *out)
1219 {
1220     /* The output of this function is never passed to the application directly, so
1221      * the memset is not strictly needed. CreateSurface still has problems with this
1222      * though. Don't forget to set ddsCaps.dwCaps2/3/4 to 0 when removing this */
1223     memset(out, 0x00, sizeof(*out));
1224     out->dwSize = sizeof(*out);
1225     out->dwFlags = in->dwFlags & ~DDSD_ZBUFFERBITDEPTH;
1226     if (in->dwFlags & DDSD_WIDTH) out->dwWidth = in->dwWidth;
1227     if (in->dwFlags & DDSD_HEIGHT) out->dwHeight = in->dwHeight;
1228     if (in->dwFlags & DDSD_PIXELFORMAT) out->u4.ddpfPixelFormat = in->ddpfPixelFormat;
1229     else if(in->dwFlags & DDSD_ZBUFFERBITDEPTH)
1230     {
1231         out->dwFlags |= DDSD_PIXELFORMAT;
1232         memset(&out->u4.ddpfPixelFormat, 0, sizeof(out->u4.ddpfPixelFormat));
1233         out->u4.ddpfPixelFormat.dwSize = sizeof(out->u4.ddpfPixelFormat);
1234         out->u4.ddpfPixelFormat.dwFlags = DDPF_ZBUFFER;
1235         out->u4.ddpfPixelFormat.u1.dwZBufferBitDepth = in->u2.dwZBufferBitDepth;
1236         /* 0 is not a valid DDSURFACEDESC / DDPIXELFORMAT on either side of the
1237          * conversion */
1238         out->u4.ddpfPixelFormat.u3.dwZBitMask = ~0U >> (32 - in->u2.dwZBufferBitDepth);
1239     }
1240     /* ddsCaps is read even without DDSD_CAPS set. See dsurface:no_ddsd_caps_test */
1241     out->ddsCaps.dwCaps = in->ddsCaps.dwCaps;
1242     if (in->dwFlags & DDSD_PITCH) out->u1.lPitch = in->u1.lPitch;
1243     if (in->dwFlags & DDSD_BACKBUFFERCOUNT) out->u5.dwBackBufferCount = in->dwBackBufferCount;
1244     if (in->dwFlags & DDSD_ALPHABITDEPTH) out->dwAlphaBitDepth = in->dwAlphaBitDepth;
1245     /* DDraw(native, and wine) does not set the DDSD_LPSURFACE, so always copy */
1246     out->lpSurface = in->lpSurface;
1247     if (in->dwFlags & DDSD_CKDESTOVERLAY) out->u3.ddckCKDestOverlay = in->ddckCKDestOverlay;
1248     if (in->dwFlags & DDSD_CKDESTBLT) out->ddckCKDestBlt = in->ddckCKDestBlt;
1249     if (in->dwFlags & DDSD_CKSRCOVERLAY) out->ddckCKSrcOverlay = in->ddckCKSrcOverlay;
1250     if (in->dwFlags & DDSD_CKSRCBLT) out->ddckCKSrcBlt = in->ddckCKSrcBlt;
1251     if (in->dwFlags & DDSD_MIPMAPCOUNT) out->u2.dwMipMapCount = in->u2.dwMipMapCount;
1252     if (in->dwFlags & DDSD_REFRESHRATE) out->u2.dwRefreshRate = in->u2.dwRefreshRate;
1253     if (in->dwFlags & DDSD_LINEARSIZE) out->u1.dwLinearSize = in->u1.dwLinearSize;
1254     /* Does not exist in DDSURFACEDESC:
1255      * DDSD_TEXTURESTAGE, DDSD_FVF, DDSD_SRCVBHANDLE,
1256      */
1257 }
1258 
1259 /* Note that this function writes the full sizeof(DDSURFACEDESC) size, don't use it
1260  * for writing into application-provided DDSURFACEDESC structures if the size may
1261  * be different */
DDSD2_to_DDSD(const DDSURFACEDESC2 * in,DDSURFACEDESC * out)1262 void DDSD2_to_DDSD(const DDSURFACEDESC2 *in, DDSURFACEDESC *out)
1263 {
1264     memset(out, 0, sizeof(*out));
1265     out->dwSize = sizeof(*out);
1266     out->dwFlags = in->dwFlags;
1267     if (in->dwFlags & DDSD_WIDTH) out->dwWidth = in->dwWidth;
1268     if (in->dwFlags & DDSD_HEIGHT) out->dwHeight = in->dwHeight;
1269     if (in->dwFlags & DDSD_PIXELFORMAT)
1270     {
1271         out->ddpfPixelFormat = in->u4.ddpfPixelFormat;
1272         if ((in->dwFlags & DDSD_CAPS) && (in->ddsCaps.dwCaps & DDSCAPS_ZBUFFER))
1273         {
1274             /* Z buffers have DDSD_ZBUFFERBITDEPTH set, but not DDSD_PIXELFORMAT. They do
1275              * have valid data in ddpfPixelFormat though */
1276             out->dwFlags &= ~DDSD_PIXELFORMAT;
1277             out->dwFlags |= DDSD_ZBUFFERBITDEPTH;
1278             out->u2.dwZBufferBitDepth = in->u4.ddpfPixelFormat.u1.dwZBufferBitDepth;
1279         }
1280     }
1281     /* ddsCaps is read even without DDSD_CAPS set. See dsurface:no_ddsd_caps_test */
1282     out->ddsCaps.dwCaps = in->ddsCaps.dwCaps;
1283     if (in->dwFlags & DDSD_PITCH) out->u1.lPitch = in->u1.lPitch;
1284     if (in->dwFlags & DDSD_BACKBUFFERCOUNT) out->dwBackBufferCount = in->u5.dwBackBufferCount;
1285     if (in->dwFlags & DDSD_ZBUFFERBITDEPTH) out->u2.dwZBufferBitDepth = in->u2.dwMipMapCount; /* same union */
1286     if (in->dwFlags & DDSD_ALPHABITDEPTH) out->dwAlphaBitDepth = in->dwAlphaBitDepth;
1287     /* DDraw(native, and wine) does not set the DDSD_LPSURFACE, so always copy */
1288     out->lpSurface = in->lpSurface;
1289     if (in->dwFlags & DDSD_CKDESTOVERLAY) out->ddckCKDestOverlay = in->u3.ddckCKDestOverlay;
1290     if (in->dwFlags & DDSD_CKDESTBLT) out->ddckCKDestBlt = in->ddckCKDestBlt;
1291     if (in->dwFlags & DDSD_CKSRCOVERLAY) out->ddckCKSrcOverlay = in->ddckCKSrcOverlay;
1292     if (in->dwFlags & DDSD_CKSRCBLT) out->ddckCKSrcBlt = in->ddckCKSrcBlt;
1293     if (in->dwFlags & DDSD_MIPMAPCOUNT) out->u2.dwMipMapCount = in->u2.dwMipMapCount;
1294     if (in->dwFlags & DDSD_REFRESHRATE) out->u2.dwRefreshRate = in->u2.dwRefreshRate;
1295     if (in->dwFlags & DDSD_LINEARSIZE) out->u1.dwLinearSize = in->u1.dwLinearSize;
1296     /* Does not exist in DDSURFACEDESC:
1297      * DDSD_TEXTURESTAGE, DDSD_FVF, DDSD_SRCVBHANDLE,
1298      */
1299     if (in->dwFlags & DDSD_TEXTURESTAGE) WARN("Does not exist in DDSURFACEDESC: DDSD_TEXTURESTAGE\n");
1300     if (in->dwFlags & DDSD_FVF) WARN("Does not exist in DDSURFACEDESC: DDSD_FVF\n");
1301     if (in->dwFlags & DDSD_SRCVBHANDLE) WARN("Does not exist in DDSURFACEDESC: DDSD_SRCVBHANDLE\n");
1302     out->dwFlags &= ~(DDSD_TEXTURESTAGE | DDSD_FVF | DDSD_SRCVBHANDLE);
1303 }
1304