1 | /* |
---|
2 | ----------------------------------------------------------------------------- |
---|
3 | This source file is part of OGRE |
---|
4 | (Object-oriented Graphics Rendering Engine) |
---|
5 | For the latest info, see http://www.ogre3d.org/ |
---|
6 | |
---|
7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
---|
8 | Also see acknowledgements in Readme.html |
---|
9 | |
---|
10 | This program is free software; you can redistribute it and/or modify it under |
---|
11 | the terms of the GNU Lesser General Public License as published by the Free Software |
---|
12 | Foundation; either version 2 of the License, or (at your option) any later |
---|
13 | version. |
---|
14 | |
---|
15 | This program is distributed in the hope that it will be useful, but WITHOUT |
---|
16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
---|
17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
---|
18 | |
---|
19 | You should have received a copy of the GNU Lesser General Public License along with |
---|
20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
---|
21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
---|
22 | http://www.gnu.org/copyleft/lesser.txt. |
---|
23 | |
---|
24 | You may alternatively use this source under the terms of a specific version of |
---|
25 | the OGRE Unrestricted License provided you have obtained such a license from |
---|
26 | Torus Knot Software Ltd. |
---|
27 | ----------------------------------------------------------------------------- |
---|
28 | */ |
---|
29 | #include "OgreStableHeaders.h" |
---|
30 | #include "OgreHardwareVertexBuffer.h" |
---|
31 | #include "OgreColourValue.h" |
---|
32 | #include "OgreException.h" |
---|
33 | #include "OgreStringConverter.h" |
---|
34 | #include "OgreHardwareBufferManager.h" |
---|
35 | #include "OgreDefaultHardwareBufferManager.h" |
---|
36 | #include "OgreRoot.h" |
---|
37 | #include "OgreRenderSystem.h" |
---|
38 | |
---|
39 | namespace Ogre { |
---|
40 | |
---|
41 | //----------------------------------------------------------------------------- |
---|
42 | HardwareVertexBuffer::HardwareVertexBuffer(size_t vertexSize, |
---|
43 | size_t numVertices, HardwareBuffer::Usage usage, |
---|
44 | bool useSystemMemory, bool useShadowBuffer) |
---|
45 | : HardwareBuffer(usage, useSystemMemory, useShadowBuffer), |
---|
46 | mNumVertices(numVertices), |
---|
47 | mVertexSize(vertexSize) |
---|
48 | { |
---|
49 | // Calculate the size of the vertices |
---|
50 | mSizeInBytes = mVertexSize * numVertices; |
---|
51 | |
---|
52 | // Create a shadow buffer if required |
---|
53 | if (mUseShadowBuffer) |
---|
54 | { |
---|
55 | mpShadowBuffer = new DefaultHardwareVertexBuffer(mVertexSize, |
---|
56 | mNumVertices, HardwareBuffer::HBU_DYNAMIC); |
---|
57 | } |
---|
58 | |
---|
59 | } |
---|
60 | //----------------------------------------------------------------------------- |
---|
61 | HardwareVertexBuffer::~HardwareVertexBuffer() |
---|
62 | { |
---|
63 | HardwareBufferManager* mgr = HardwareBufferManager::getSingletonPtr(); |
---|
64 | if (mgr) |
---|
65 | { |
---|
66 | mgr->_notifyVertexBufferDestroyed(this); |
---|
67 | } |
---|
68 | if (mpShadowBuffer) |
---|
69 | { |
---|
70 | delete mpShadowBuffer; |
---|
71 | } |
---|
72 | } |
---|
73 | //----------------------------------------------------------------------------- |
---|
74 | VertexElement::VertexElement(unsigned short source, size_t offset, |
---|
75 | VertexElementType theType, VertexElementSemantic semantic, unsigned short index) |
---|
76 | : mSource(source), mOffset(offset), mType(theType), |
---|
77 | mSemantic(semantic), mIndex(index) |
---|
78 | { |
---|
79 | } |
---|
80 | //----------------------------------------------------------------------------- |
---|
81 | size_t VertexElement::getSize(void) const |
---|
82 | { |
---|
83 | return getTypeSize(mType); |
---|
84 | } |
---|
85 | //----------------------------------------------------------------------------- |
---|
86 | size_t VertexElement::getTypeSize(VertexElementType etype) |
---|
87 | { |
---|
88 | switch(etype) |
---|
89 | { |
---|
90 | case VET_COLOUR: |
---|
91 | case VET_COLOUR_ABGR: |
---|
92 | case VET_COLOUR_ARGB: |
---|
93 | return sizeof(RGBA); |
---|
94 | case VET_FLOAT1: |
---|
95 | return sizeof(float); |
---|
96 | case VET_FLOAT2: |
---|
97 | return sizeof(float)*2; |
---|
98 | case VET_FLOAT3: |
---|
99 | return sizeof(float)*3; |
---|
100 | case VET_FLOAT4: |
---|
101 | return sizeof(float)*4; |
---|
102 | case VET_SHORT1: |
---|
103 | return sizeof(short); |
---|
104 | case VET_SHORT2: |
---|
105 | return sizeof(short)*2; |
---|
106 | case VET_SHORT3: |
---|
107 | return sizeof(short)*3; |
---|
108 | case VET_SHORT4: |
---|
109 | return sizeof(short)*4; |
---|
110 | case VET_UBYTE4: |
---|
111 | return sizeof(unsigned char)*4; |
---|
112 | } |
---|
113 | return 0; |
---|
114 | } |
---|
115 | //----------------------------------------------------------------------------- |
---|
116 | unsigned short VertexElement::getTypeCount(VertexElementType etype) |
---|
117 | { |
---|
118 | switch (etype) |
---|
119 | { |
---|
120 | case VET_COLOUR: |
---|
121 | case VET_COLOUR_ABGR: |
---|
122 | case VET_COLOUR_ARGB: |
---|
123 | return 1; |
---|
124 | case VET_FLOAT1: |
---|
125 | return 1; |
---|
126 | case VET_FLOAT2: |
---|
127 | return 2; |
---|
128 | case VET_FLOAT3: |
---|
129 | return 3; |
---|
130 | case VET_FLOAT4: |
---|
131 | return 4; |
---|
132 | case VET_SHORT1: |
---|
133 | return 1; |
---|
134 | case VET_SHORT2: |
---|
135 | return 2; |
---|
136 | case VET_SHORT3: |
---|
137 | return 3; |
---|
138 | case VET_SHORT4: |
---|
139 | return 4; |
---|
140 | case VET_UBYTE4: |
---|
141 | return 4; |
---|
142 | } |
---|
143 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid type", |
---|
144 | "VertexElement::getTypeCount"); |
---|
145 | } |
---|
146 | //----------------------------------------------------------------------------- |
---|
147 | VertexElementType VertexElement::multiplyTypeCount(VertexElementType baseType, |
---|
148 | unsigned short count) |
---|
149 | { |
---|
150 | switch (baseType) |
---|
151 | { |
---|
152 | case VET_FLOAT1: |
---|
153 | switch(count) |
---|
154 | { |
---|
155 | case 1: |
---|
156 | return VET_FLOAT1; |
---|
157 | case 2: |
---|
158 | return VET_FLOAT2; |
---|
159 | case 3: |
---|
160 | return VET_FLOAT3; |
---|
161 | case 4: |
---|
162 | return VET_FLOAT4; |
---|
163 | default: |
---|
164 | break; |
---|
165 | } |
---|
166 | break; |
---|
167 | case VET_SHORT1: |
---|
168 | switch(count) |
---|
169 | { |
---|
170 | case 1: |
---|
171 | return VET_SHORT1; |
---|
172 | case 2: |
---|
173 | return VET_SHORT2; |
---|
174 | case 3: |
---|
175 | return VET_SHORT3; |
---|
176 | case 4: |
---|
177 | return VET_SHORT4; |
---|
178 | default: |
---|
179 | break; |
---|
180 | } |
---|
181 | break; |
---|
182 | default: |
---|
183 | break; |
---|
184 | } |
---|
185 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Invalid base type", |
---|
186 | "VertexElement::multiplyTypeCount"); |
---|
187 | } |
---|
188 | //-------------------------------------------------------------------------- |
---|
189 | VertexElementType VertexElement::getBestColourVertexElementType(void) |
---|
190 | { |
---|
191 | // Use the current render system to determine if possible |
---|
192 | if (Root::getSingletonPtr() && Root::getSingletonPtr()->getRenderSystem()) |
---|
193 | { |
---|
194 | return Root::getSingleton().getRenderSystem()->getColourVertexElementType(); |
---|
195 | } |
---|
196 | else |
---|
197 | { |
---|
198 | // We can't know the specific type right now, so pick a type |
---|
199 | // based on platform |
---|
200 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
---|
201 | return VET_COLOUR_ARGB; // prefer D3D format on windows |
---|
202 | #else |
---|
203 | return VET_COLOUR_ABGR; // prefer GL format on everything else |
---|
204 | #endif |
---|
205 | |
---|
206 | } |
---|
207 | } |
---|
208 | //-------------------------------------------------------------------------- |
---|
209 | void VertexElement::convertColourValue(VertexElementType srcType, |
---|
210 | VertexElementType dstType, uint32* ptr) |
---|
211 | { |
---|
212 | if (srcType == dstType) |
---|
213 | return; |
---|
214 | |
---|
215 | // Conversion between ARGB and ABGR is always a case of flipping R/B |
---|
216 | *ptr = |
---|
217 | ((*ptr&0x00FF0000)>>16)|((*ptr&0x000000FF)<<16)|(*ptr&0xFF00FF00); |
---|
218 | } |
---|
219 | //-------------------------------------------------------------------------- |
---|
220 | uint32 VertexElement::convertColourValue(const ColourValue& src, |
---|
221 | VertexElementType dst) |
---|
222 | { |
---|
223 | switch(dst) |
---|
224 | { |
---|
225 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 |
---|
226 | default: |
---|
227 | #endif |
---|
228 | case VET_COLOUR_ARGB: |
---|
229 | return src.getAsARGB(); |
---|
230 | #if OGRE_PLATFORM != OGRE_PLATFORM_WIN32 |
---|
231 | default: |
---|
232 | #endif |
---|
233 | case VET_COLOUR_ABGR: |
---|
234 | return src.getAsABGR(); |
---|
235 | }; |
---|
236 | |
---|
237 | } |
---|
238 | //----------------------------------------------------------------------------- |
---|
239 | VertexElementType VertexElement::getBaseType(VertexElementType multiType) |
---|
240 | { |
---|
241 | switch (multiType) |
---|
242 | { |
---|
243 | case VET_FLOAT1: |
---|
244 | case VET_FLOAT2: |
---|
245 | case VET_FLOAT3: |
---|
246 | case VET_FLOAT4: |
---|
247 | return VET_FLOAT1; |
---|
248 | case VET_COLOUR: |
---|
249 | return VET_COLOUR; |
---|
250 | case VET_COLOUR_ABGR: |
---|
251 | return VET_COLOUR_ABGR; |
---|
252 | case VET_COLOUR_ARGB: |
---|
253 | return VET_COLOUR_ARGB; |
---|
254 | case VET_SHORT1: |
---|
255 | case VET_SHORT2: |
---|
256 | case VET_SHORT3: |
---|
257 | case VET_SHORT4: |
---|
258 | return VET_SHORT1; |
---|
259 | case VET_UBYTE4: |
---|
260 | return VET_UBYTE4; |
---|
261 | }; |
---|
262 | // To keep compiler happy |
---|
263 | return VET_FLOAT1; |
---|
264 | } |
---|
265 | //----------------------------------------------------------------------------- |
---|
266 | VertexDeclaration::VertexDeclaration() |
---|
267 | { |
---|
268 | } |
---|
269 | //----------------------------------------------------------------------------- |
---|
270 | VertexDeclaration::~VertexDeclaration() |
---|
271 | { |
---|
272 | } |
---|
273 | //----------------------------------------------------------------------------- |
---|
274 | const VertexDeclaration::VertexElementList& VertexDeclaration::getElements(void) const |
---|
275 | { |
---|
276 | return mElementList; |
---|
277 | } |
---|
278 | //----------------------------------------------------------------------------- |
---|
279 | const VertexElement& VertexDeclaration::addElement(unsigned short source, |
---|
280 | size_t offset, VertexElementType theType, |
---|
281 | VertexElementSemantic semantic, unsigned short index) |
---|
282 | { |
---|
283 | // Refine colour type to a specific type |
---|
284 | if (theType == VET_COLOUR) |
---|
285 | { |
---|
286 | theType = VertexElement::getBestColourVertexElementType(); |
---|
287 | } |
---|
288 | mElementList.push_back( |
---|
289 | VertexElement(source, offset, theType, semantic, index) |
---|
290 | ); |
---|
291 | return mElementList.back(); |
---|
292 | } |
---|
293 | //----------------------------------------------------------------------------- |
---|
294 | const VertexElement& VertexDeclaration::insertElement(unsigned short atPosition, |
---|
295 | unsigned short source, size_t offset, VertexElementType theType, |
---|
296 | VertexElementSemantic semantic, unsigned short index) |
---|
297 | { |
---|
298 | if (atPosition >= mElementList.size()) |
---|
299 | { |
---|
300 | return addElement(source, offset, theType, semantic, index); |
---|
301 | } |
---|
302 | |
---|
303 | VertexElementList::iterator i = mElementList.begin(); |
---|
304 | for (unsigned short n = 0; n < atPosition; ++n) |
---|
305 | ++i; |
---|
306 | |
---|
307 | i = mElementList.insert(i, |
---|
308 | VertexElement(source, offset, theType, semantic, index)); |
---|
309 | return *i; |
---|
310 | |
---|
311 | } |
---|
312 | //----------------------------------------------------------------------------- |
---|
313 | const VertexElement* VertexDeclaration::getElement(unsigned short index) |
---|
314 | { |
---|
315 | assert(index < mElementList.size() && "Index out of bounds"); |
---|
316 | |
---|
317 | VertexElementList::iterator i = mElementList.begin(); |
---|
318 | for (unsigned short n = 0; n < index; ++n) |
---|
319 | ++i; |
---|
320 | |
---|
321 | return &(*i); |
---|
322 | |
---|
323 | } |
---|
324 | //----------------------------------------------------------------------------- |
---|
325 | void VertexDeclaration::removeElement(unsigned short elem_index) |
---|
326 | { |
---|
327 | assert(elem_index < mElementList.size() && "Index out of bounds"); |
---|
328 | VertexElementList::iterator i = mElementList.begin(); |
---|
329 | for (unsigned short n = 0; n < elem_index; ++n) |
---|
330 | ++i; |
---|
331 | mElementList.erase(i); |
---|
332 | } |
---|
333 | //----------------------------------------------------------------------------- |
---|
334 | void VertexDeclaration::removeElement(VertexElementSemantic semantic, unsigned short index) |
---|
335 | { |
---|
336 | VertexElementList::iterator ei, eiend; |
---|
337 | eiend = mElementList.end(); |
---|
338 | for (ei = mElementList.begin(); ei != eiend; ++ei) |
---|
339 | { |
---|
340 | if (ei->getSemantic() == semantic && ei->getIndex() == index) |
---|
341 | { |
---|
342 | mElementList.erase(ei); |
---|
343 | break; |
---|
344 | } |
---|
345 | } |
---|
346 | } |
---|
347 | //----------------------------------------------------------------------------- |
---|
348 | void VertexDeclaration::removeAllElements(void) |
---|
349 | { |
---|
350 | mElementList.clear(); |
---|
351 | } |
---|
352 | //----------------------------------------------------------------------------- |
---|
353 | void VertexDeclaration::modifyElement(unsigned short elem_index, |
---|
354 | unsigned short source, size_t offset, VertexElementType theType, |
---|
355 | VertexElementSemantic semantic, unsigned short index) |
---|
356 | { |
---|
357 | assert(elem_index < mElementList.size() && "Index out of bounds"); |
---|
358 | VertexElementList::iterator i = mElementList.begin(); |
---|
359 | std::advance(i, elem_index); |
---|
360 | (*i) = VertexElement(source, offset, theType, semantic, index); |
---|
361 | } |
---|
362 | //----------------------------------------------------------------------------- |
---|
363 | const VertexElement* VertexDeclaration::findElementBySemantic( |
---|
364 | VertexElementSemantic sem, unsigned short index) |
---|
365 | { |
---|
366 | VertexElementList::const_iterator ei, eiend; |
---|
367 | eiend = mElementList.end(); |
---|
368 | for (ei = mElementList.begin(); ei != eiend; ++ei) |
---|
369 | { |
---|
370 | if (ei->getSemantic() == sem && ei->getIndex() == index) |
---|
371 | { |
---|
372 | return &(*ei); |
---|
373 | } |
---|
374 | } |
---|
375 | |
---|
376 | return NULL; |
---|
377 | |
---|
378 | |
---|
379 | } |
---|
380 | //----------------------------------------------------------------------------- |
---|
381 | VertexDeclaration::VertexElementList VertexDeclaration::findElementsBySource( |
---|
382 | unsigned short source) |
---|
383 | { |
---|
384 | VertexElementList retList; |
---|
385 | VertexElementList::const_iterator ei, eiend; |
---|
386 | eiend = mElementList.end(); |
---|
387 | for (ei = mElementList.begin(); ei != eiend; ++ei) |
---|
388 | { |
---|
389 | if (ei->getSource() == source) |
---|
390 | { |
---|
391 | retList.push_back(*ei); |
---|
392 | } |
---|
393 | } |
---|
394 | return retList; |
---|
395 | |
---|
396 | } |
---|
397 | |
---|
398 | //----------------------------------------------------------------------------- |
---|
399 | size_t VertexDeclaration::getVertexSize(unsigned short source) |
---|
400 | { |
---|
401 | VertexElementList::const_iterator i, iend; |
---|
402 | iend = mElementList.end(); |
---|
403 | size_t sz = 0; |
---|
404 | |
---|
405 | for (i = mElementList.begin(); i != iend; ++i) |
---|
406 | { |
---|
407 | if (i->getSource() == source) |
---|
408 | { |
---|
409 | sz += i->getSize(); |
---|
410 | |
---|
411 | } |
---|
412 | } |
---|
413 | return sz; |
---|
414 | } |
---|
415 | //----------------------------------------------------------------------------- |
---|
416 | VertexDeclaration* VertexDeclaration::clone(void) |
---|
417 | { |
---|
418 | VertexDeclaration* ret = HardwareBufferManager::getSingleton().createVertexDeclaration(); |
---|
419 | |
---|
420 | VertexElementList::const_iterator i, iend; |
---|
421 | iend = mElementList.end(); |
---|
422 | for (i = mElementList.begin(); i != iend; ++i) |
---|
423 | { |
---|
424 | ret->addElement(i->getSource(), i->getOffset(), i->getType(), i->getSemantic(), i->getIndex()); |
---|
425 | } |
---|
426 | return ret; |
---|
427 | } |
---|
428 | //----------------------------------------------------------------------------- |
---|
429 | // Sort routine for VertexElement |
---|
430 | bool VertexDeclaration::vertexElementLess(const VertexElement& e1, const VertexElement& e2) |
---|
431 | { |
---|
432 | // Sort by source first |
---|
433 | if (e1.getSource() < e2.getSource()) |
---|
434 | { |
---|
435 | return true; |
---|
436 | } |
---|
437 | else if (e1.getSource() == e2.getSource()) |
---|
438 | { |
---|
439 | // Use ordering of semantics to sort |
---|
440 | if (e1.getSemantic() < e2.getSemantic()) |
---|
441 | { |
---|
442 | return true; |
---|
443 | } |
---|
444 | else if (e1.getSemantic() == e2.getSemantic()) |
---|
445 | { |
---|
446 | // Use index to sort |
---|
447 | if (e1.getIndex() < e2.getIndex()) |
---|
448 | { |
---|
449 | return true; |
---|
450 | } |
---|
451 | } |
---|
452 | } |
---|
453 | return false; |
---|
454 | } |
---|
455 | void VertexDeclaration::sort(void) |
---|
456 | { |
---|
457 | mElementList.sort(VertexDeclaration::vertexElementLess); |
---|
458 | } |
---|
459 | //----------------------------------------------------------------------------- |
---|
460 | void VertexDeclaration::closeGapsInSource(void) |
---|
461 | { |
---|
462 | if (mElementList.empty()) |
---|
463 | return; |
---|
464 | |
---|
465 | // Sort first |
---|
466 | sort(); |
---|
467 | |
---|
468 | VertexElementList::iterator i, iend; |
---|
469 | iend = mElementList.end(); |
---|
470 | unsigned short targetIdx = 0; |
---|
471 | unsigned short lastIdx = getElement(0)->getSource(); |
---|
472 | unsigned short c = 0; |
---|
473 | for (i = mElementList.begin(); i != iend; ++i, ++c) |
---|
474 | { |
---|
475 | VertexElement& elem = *i; |
---|
476 | if (lastIdx != elem.getSource()) |
---|
477 | { |
---|
478 | targetIdx++; |
---|
479 | lastIdx = elem.getSource(); |
---|
480 | } |
---|
481 | if (targetIdx != elem.getSource()) |
---|
482 | { |
---|
483 | modifyElement(c, targetIdx, elem.getOffset(), elem.getType(), |
---|
484 | elem.getSemantic(), elem.getIndex()); |
---|
485 | } |
---|
486 | |
---|
487 | } |
---|
488 | |
---|
489 | } |
---|
490 | //----------------------------------------------------------------------- |
---|
491 | VertexDeclaration* VertexDeclaration::getAutoOrganisedDeclaration( |
---|
492 | bool skeletalAnimation, bool vertexAnimation) |
---|
493 | { |
---|
494 | VertexDeclaration* newDecl = this->clone(); |
---|
495 | // Set all sources to the same buffer (for now) |
---|
496 | const VertexDeclaration::VertexElementList& elems = newDecl->getElements(); |
---|
497 | VertexDeclaration::VertexElementList::const_iterator i; |
---|
498 | unsigned short c = 0; |
---|
499 | for (i = elems.begin(); i != elems.end(); ++i, ++c) |
---|
500 | { |
---|
501 | const VertexElement& elem = *i; |
---|
502 | // Set source & offset to 0 for now, before sort |
---|
503 | newDecl->modifyElement(c, 0, 0, elem.getType(), elem.getSemantic(), elem.getIndex()); |
---|
504 | } |
---|
505 | newDecl->sort(); |
---|
506 | // Now sort out proper buffer assignments and offsets |
---|
507 | size_t offset = 0; |
---|
508 | c = 0; |
---|
509 | unsigned short buffer = 0; |
---|
510 | VertexElementSemantic prevSemantic = VES_POSITION; |
---|
511 | for (i = elems.begin(); i != elems.end(); ++i, ++c) |
---|
512 | { |
---|
513 | const VertexElement& elem = *i; |
---|
514 | |
---|
515 | bool splitWithPrev = false; |
---|
516 | bool splitWithNext = false; |
---|
517 | switch (elem.getSemantic()) |
---|
518 | { |
---|
519 | case VES_POSITION: |
---|
520 | // For morph animation, we need positions on their own |
---|
521 | splitWithPrev = vertexAnimation; |
---|
522 | splitWithNext = vertexAnimation; |
---|
523 | break; |
---|
524 | case VES_NORMAL: |
---|
525 | // Normals can't sharing with blend weights/indices |
---|
526 | splitWithPrev = (prevSemantic == VES_BLEND_WEIGHTS || prevSemantic == VES_BLEND_INDICES); |
---|
527 | // All animated meshes have to split after normal |
---|
528 | splitWithNext = (skeletalAnimation || vertexAnimation); |
---|
529 | break; |
---|
530 | case VES_BLEND_WEIGHTS: |
---|
531 | // Blend weights/indices can be sharing with their own buffer only |
---|
532 | splitWithPrev = true; |
---|
533 | break; |
---|
534 | case VES_BLEND_INDICES: |
---|
535 | // Blend weights/indices can be sharing with their own buffer only |
---|
536 | splitWithNext = true; |
---|
537 | break; |
---|
538 | } |
---|
539 | |
---|
540 | if (splitWithPrev && offset) |
---|
541 | { |
---|
542 | ++buffer; |
---|
543 | offset = 0; |
---|
544 | } |
---|
545 | |
---|
546 | prevSemantic = elem.getSemantic(); |
---|
547 | newDecl->modifyElement(c, buffer, offset, |
---|
548 | elem.getType(), elem.getSemantic(), elem.getIndex()); |
---|
549 | |
---|
550 | if (splitWithNext) |
---|
551 | { |
---|
552 | ++buffer; |
---|
553 | offset = 0; |
---|
554 | } |
---|
555 | else |
---|
556 | { |
---|
557 | offset += elem.getSize(); |
---|
558 | } |
---|
559 | } |
---|
560 | |
---|
561 | return newDecl; |
---|
562 | |
---|
563 | |
---|
564 | } |
---|
565 | //----------------------------------------------------------------------------- |
---|
566 | unsigned short VertexDeclaration::getMaxSource(void) const |
---|
567 | { |
---|
568 | VertexElementList::const_iterator i, iend; |
---|
569 | iend = mElementList.end(); |
---|
570 | unsigned short ret = 0; |
---|
571 | for (i = mElementList.begin(); i != iend; ++i) |
---|
572 | { |
---|
573 | if (i->getSource() > ret) |
---|
574 | { |
---|
575 | ret = i->getSource(); |
---|
576 | } |
---|
577 | |
---|
578 | } |
---|
579 | return ret; |
---|
580 | } |
---|
581 | //----------------------------------------------------------------------------- |
---|
582 | VertexBufferBinding::VertexBufferBinding() : mHighIndex(0) |
---|
583 | { |
---|
584 | } |
---|
585 | //----------------------------------------------------------------------------- |
---|
586 | VertexBufferBinding::~VertexBufferBinding() |
---|
587 | { |
---|
588 | unsetAllBindings(); |
---|
589 | } |
---|
590 | //----------------------------------------------------------------------------- |
---|
591 | void VertexBufferBinding::setBinding(unsigned short index, const HardwareVertexBufferSharedPtr& buffer) |
---|
592 | { |
---|
593 | // NB will replace any existing buffer ptr at this index, and will thus cause |
---|
594 | // reference count to decrement on that buffer (possibly destroying it) |
---|
595 | mBindingMap[index] = buffer; |
---|
596 | mHighIndex = std::max(mHighIndex, (unsigned short)(index+1)); |
---|
597 | } |
---|
598 | //----------------------------------------------------------------------------- |
---|
599 | void VertexBufferBinding::unsetBinding(unsigned short index) |
---|
600 | { |
---|
601 | VertexBufferBindingMap::iterator i = mBindingMap.find(index); |
---|
602 | if (i == mBindingMap.end()) |
---|
603 | { |
---|
604 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
605 | "Cannot find buffer binding for index " + StringConverter::toString(index), |
---|
606 | "VertexBufferBinding::unsetBinding"); |
---|
607 | } |
---|
608 | mBindingMap.erase(i); |
---|
609 | } |
---|
610 | //----------------------------------------------------------------------------- |
---|
611 | void VertexBufferBinding::unsetAllBindings(void) |
---|
612 | { |
---|
613 | mBindingMap.clear(); |
---|
614 | mHighIndex = 0; |
---|
615 | } |
---|
616 | //----------------------------------------------------------------------------- |
---|
617 | const VertexBufferBinding::VertexBufferBindingMap& |
---|
618 | VertexBufferBinding::getBindings(void) const |
---|
619 | { |
---|
620 | return mBindingMap; |
---|
621 | } |
---|
622 | //----------------------------------------------------------------------------- |
---|
623 | const HardwareVertexBufferSharedPtr& VertexBufferBinding::getBuffer(unsigned short index) const |
---|
624 | { |
---|
625 | VertexBufferBindingMap::const_iterator i = mBindingMap.find(index); |
---|
626 | if (i == mBindingMap.end()) |
---|
627 | { |
---|
628 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "No buffer is bound to that index.", |
---|
629 | "VertexBufferBinding::getBuffer"); |
---|
630 | } |
---|
631 | return i->second; |
---|
632 | } |
---|
633 | //----------------------------------------------------------------------------- |
---|
634 | bool VertexBufferBinding::isBufferBound(unsigned short index) const |
---|
635 | { |
---|
636 | return mBindingMap.find(index) != mBindingMap.end(); |
---|
637 | } |
---|
638 | //----------------------------------------------------------------------------- |
---|
639 | unsigned short VertexBufferBinding::getLastBoundIndex(void) const |
---|
640 | { |
---|
641 | return mBindingMap.empty() ? 0 : mBindingMap.rbegin()->first + 1; |
---|
642 | } |
---|
643 | //----------------------------------------------------------------------------- |
---|
644 | bool VertexBufferBinding::hasGaps(void) const |
---|
645 | { |
---|
646 | if (mBindingMap.empty()) |
---|
647 | return false; |
---|
648 | if (mBindingMap.rbegin()->first + 1 == mBindingMap.size()) |
---|
649 | return false; |
---|
650 | return true; |
---|
651 | } |
---|
652 | //----------------------------------------------------------------------------- |
---|
653 | void VertexBufferBinding::closeGaps(BindingIndexMap& bindingIndexMap) |
---|
654 | { |
---|
655 | bindingIndexMap.clear(); |
---|
656 | |
---|
657 | VertexBufferBindingMap newBindingMap; |
---|
658 | |
---|
659 | VertexBufferBindingMap::const_iterator it; |
---|
660 | ushort targetIndex = 0; |
---|
661 | for (it = mBindingMap.begin(); it != mBindingMap.end(); ++it, ++targetIndex) |
---|
662 | { |
---|
663 | bindingIndexMap[it->first] = targetIndex; |
---|
664 | newBindingMap[targetIndex] = it->second; |
---|
665 | } |
---|
666 | |
---|
667 | mBindingMap.swap(newBindingMap); |
---|
668 | mHighIndex = targetIndex; |
---|
669 | } |
---|
670 | //----------------------------------------------------------------------------- |
---|
671 | HardwareVertexBufferSharedPtr::HardwareVertexBufferSharedPtr(HardwareVertexBuffer* buf) |
---|
672 | : SharedPtr<HardwareVertexBuffer>(buf) |
---|
673 | { |
---|
674 | |
---|
675 | } |
---|
676 | |
---|
677 | |
---|
678 | |
---|
679 | |
---|
680 | } |
---|