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 | |
---|
30 | #include "OgreGLSLLinkProgramManager.h" |
---|
31 | #include "OgreGLSLGpuProgram.h" |
---|
32 | #include "OgreGLSLProgram.h" |
---|
33 | #include "OgreStringConverter.h" |
---|
34 | #include "OgreLogManager.h" |
---|
35 | |
---|
36 | namespace Ogre { |
---|
37 | |
---|
38 | //----------------------------------------------------------------------- |
---|
39 | template<> GLSLLinkProgramManager* Singleton<GLSLLinkProgramManager>::ms_Singleton = 0; |
---|
40 | |
---|
41 | //----------------------------------------------------------------------- |
---|
42 | GLSLLinkProgramManager* GLSLLinkProgramManager::getSingletonPtr(void) |
---|
43 | { |
---|
44 | return ms_Singleton; |
---|
45 | } |
---|
46 | |
---|
47 | //----------------------------------------------------------------------- |
---|
48 | GLSLLinkProgramManager& GLSLLinkProgramManager::getSingleton(void) |
---|
49 | { |
---|
50 | assert( ms_Singleton ); return ( *ms_Singleton ); |
---|
51 | } |
---|
52 | |
---|
53 | //----------------------------------------------------------------------- |
---|
54 | GLSLLinkProgramManager::GLSLLinkProgramManager(void) : mActiveVertexGpuProgram(NULL), |
---|
55 | mActiveFragmentGpuProgram(NULL), mActiveLinkProgram(NULL) |
---|
56 | { |
---|
57 | // Fill in the relationship between type names and enums |
---|
58 | mTypeEnumMap.insert(StringToEnumMap::value_type("float", GL_FLOAT)); |
---|
59 | mTypeEnumMap.insert(StringToEnumMap::value_type("vec2", GL_FLOAT_VEC2)); |
---|
60 | mTypeEnumMap.insert(StringToEnumMap::value_type("vec3", GL_FLOAT_VEC3)); |
---|
61 | mTypeEnumMap.insert(StringToEnumMap::value_type("vec4", GL_FLOAT_VEC4)); |
---|
62 | mTypeEnumMap.insert(StringToEnumMap::value_type("sampler1D", GL_SAMPLER_1D)); |
---|
63 | mTypeEnumMap.insert(StringToEnumMap::value_type("sampler2D", GL_SAMPLER_2D)); |
---|
64 | mTypeEnumMap.insert(StringToEnumMap::value_type("sampler3D", GL_SAMPLER_3D)); |
---|
65 | mTypeEnumMap.insert(StringToEnumMap::value_type("samplerCube", GL_SAMPLER_CUBE)); |
---|
66 | mTypeEnumMap.insert(StringToEnumMap::value_type("sampler1DShadow", GL_SAMPLER_1D_SHADOW)); |
---|
67 | mTypeEnumMap.insert(StringToEnumMap::value_type("sampler2DShadow", GL_SAMPLER_2D_SHADOW)); |
---|
68 | mTypeEnumMap.insert(StringToEnumMap::value_type("int", GL_INT)); |
---|
69 | mTypeEnumMap.insert(StringToEnumMap::value_type("ivec2", GL_INT_VEC2)); |
---|
70 | mTypeEnumMap.insert(StringToEnumMap::value_type("ivec3", GL_INT_VEC3)); |
---|
71 | mTypeEnumMap.insert(StringToEnumMap::value_type("ivec4", GL_INT_VEC4)); |
---|
72 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat2", GL_FLOAT_MAT2)); |
---|
73 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat3", GL_FLOAT_MAT3)); |
---|
74 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat4", GL_FLOAT_MAT4)); |
---|
75 | // GL 2.1 |
---|
76 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat2x2", GL_FLOAT_MAT2)); |
---|
77 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat3x3", GL_FLOAT_MAT3)); |
---|
78 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat4x4", GL_FLOAT_MAT4)); |
---|
79 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat2x3", GL_FLOAT_MAT2x3)); |
---|
80 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat3x2", GL_FLOAT_MAT3x2)); |
---|
81 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat3x4", GL_FLOAT_MAT3x4)); |
---|
82 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat4x3", GL_FLOAT_MAT4x3)); |
---|
83 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat2x4", GL_FLOAT_MAT2x4)); |
---|
84 | mTypeEnumMap.insert(StringToEnumMap::value_type("mat4x2", GL_FLOAT_MAT4x2)); |
---|
85 | |
---|
86 | } |
---|
87 | |
---|
88 | //----------------------------------------------------------------------- |
---|
89 | GLSLLinkProgramManager::~GLSLLinkProgramManager(void) |
---|
90 | { |
---|
91 | // iterate through map container and delete link programs |
---|
92 | for (LinkProgramIterator currentProgram = LinkPrograms.begin(); |
---|
93 | currentProgram != LinkPrograms.end(); ++currentProgram) |
---|
94 | { |
---|
95 | delete currentProgram->second; |
---|
96 | } |
---|
97 | |
---|
98 | } |
---|
99 | |
---|
100 | //----------------------------------------------------------------------- |
---|
101 | GLSLLinkProgram* GLSLLinkProgramManager::getActiveLinkProgram(void) |
---|
102 | { |
---|
103 | // if there is an active link program then return it |
---|
104 | if (mActiveLinkProgram) |
---|
105 | return mActiveLinkProgram; |
---|
106 | |
---|
107 | // no active link program so find one or make a new one |
---|
108 | // is there an active key? |
---|
109 | GLuint activeKey = 0; |
---|
110 | |
---|
111 | if (mActiveVertexGpuProgram) |
---|
112 | { |
---|
113 | activeKey = mActiveVertexGpuProgram->getProgramID() << 16; |
---|
114 | } |
---|
115 | |
---|
116 | if (mActiveFragmentGpuProgram) |
---|
117 | { |
---|
118 | activeKey += mActiveFragmentGpuProgram->getProgramID(); |
---|
119 | } |
---|
120 | |
---|
121 | // only return a link program object if a vertex or fragment program exist |
---|
122 | if (activeKey > 0) |
---|
123 | { |
---|
124 | // find the key in the hash map |
---|
125 | LinkProgramIterator programFound = LinkPrograms.find(activeKey); |
---|
126 | // program object not found for key so need to create it |
---|
127 | if (programFound == LinkPrograms.end()) |
---|
128 | { |
---|
129 | mActiveLinkProgram = new GLSLLinkProgram(mActiveVertexGpuProgram, mActiveFragmentGpuProgram); |
---|
130 | LinkPrograms[activeKey] = mActiveLinkProgram; |
---|
131 | } |
---|
132 | else |
---|
133 | { |
---|
134 | // found a link program in map container so make it active |
---|
135 | mActiveLinkProgram = programFound->second; |
---|
136 | } |
---|
137 | |
---|
138 | } |
---|
139 | // make the program object active |
---|
140 | if (mActiveLinkProgram) mActiveLinkProgram->activate(); |
---|
141 | |
---|
142 | return mActiveLinkProgram; |
---|
143 | |
---|
144 | } |
---|
145 | |
---|
146 | //----------------------------------------------------------------------- |
---|
147 | void GLSLLinkProgramManager::setActiveFragmentShader(GLSLGpuProgram* fragmentGpuProgram) |
---|
148 | { |
---|
149 | if (fragmentGpuProgram != mActiveFragmentGpuProgram) |
---|
150 | { |
---|
151 | mActiveFragmentGpuProgram = fragmentGpuProgram; |
---|
152 | // ActiveLinkProgram is no longer valid |
---|
153 | mActiveLinkProgram = NULL; |
---|
154 | // change back to fixed pipeline |
---|
155 | glUseProgramObjectARB(0); |
---|
156 | } |
---|
157 | } |
---|
158 | |
---|
159 | //----------------------------------------------------------------------- |
---|
160 | void GLSLLinkProgramManager::setActiveVertexShader(GLSLGpuProgram* vertexGpuProgram) |
---|
161 | { |
---|
162 | if (vertexGpuProgram != mActiveVertexGpuProgram) |
---|
163 | { |
---|
164 | mActiveVertexGpuProgram = vertexGpuProgram; |
---|
165 | // ActiveLinkProgram is no longer valid |
---|
166 | mActiveLinkProgram = NULL; |
---|
167 | // change back to fixed pipeline |
---|
168 | glUseProgramObjectARB(0); |
---|
169 | } |
---|
170 | } |
---|
171 | //--------------------------------------------------------------------- |
---|
172 | void GLSLLinkProgramManager::completeDefInfo(GLenum gltype, |
---|
173 | GpuConstantDefinition& defToUpdate) |
---|
174 | { |
---|
175 | // decode uniform size and type |
---|
176 | // Note GLSL never packs rows into float4's(from an API perspective anyway) |
---|
177 | // therefore all values are tight in the buffer |
---|
178 | switch (gltype) |
---|
179 | { |
---|
180 | case GL_FLOAT: |
---|
181 | defToUpdate.constType = GCT_FLOAT1; |
---|
182 | defToUpdate.elementSize = 1; |
---|
183 | break; |
---|
184 | case GL_FLOAT_VEC2: |
---|
185 | defToUpdate.constType = GCT_FLOAT2; |
---|
186 | defToUpdate.elementSize = 2; |
---|
187 | break; |
---|
188 | |
---|
189 | case GL_FLOAT_VEC3: |
---|
190 | defToUpdate.constType = GCT_FLOAT3; |
---|
191 | defToUpdate.elementSize = 3; |
---|
192 | break; |
---|
193 | |
---|
194 | case GL_FLOAT_VEC4: |
---|
195 | defToUpdate.constType = GCT_FLOAT4; |
---|
196 | defToUpdate.elementSize = 4; |
---|
197 | break; |
---|
198 | case GL_SAMPLER_1D: |
---|
199 | // need to record samplers for GLSL |
---|
200 | defToUpdate.constType = GCT_SAMPLER1D; |
---|
201 | defToUpdate.elementSize = 1; |
---|
202 | break; |
---|
203 | case GL_SAMPLER_2D: |
---|
204 | case GL_SAMPLER_2D_RECT_ARB: |
---|
205 | defToUpdate.constType = GCT_SAMPLER2D; |
---|
206 | defToUpdate.elementSize = 1; |
---|
207 | break; |
---|
208 | case GL_SAMPLER_3D: |
---|
209 | defToUpdate.constType = GCT_SAMPLER3D; |
---|
210 | defToUpdate.elementSize = 1; |
---|
211 | break; |
---|
212 | case GL_SAMPLER_CUBE: |
---|
213 | defToUpdate.constType = GCT_SAMPLERCUBE; |
---|
214 | defToUpdate.elementSize = 1; |
---|
215 | break; |
---|
216 | case GL_SAMPLER_1D_SHADOW: |
---|
217 | defToUpdate.constType = GCT_SAMPLER1DSHADOW; |
---|
218 | defToUpdate.elementSize = 1; |
---|
219 | break; |
---|
220 | case GL_SAMPLER_2D_SHADOW: |
---|
221 | case GL_SAMPLER_2D_RECT_SHADOW_ARB: |
---|
222 | defToUpdate.constType = GCT_SAMPLER2DSHADOW; |
---|
223 | defToUpdate.elementSize = 1; |
---|
224 | break; |
---|
225 | case GL_INT: |
---|
226 | defToUpdate.constType = GCT_INT1; |
---|
227 | defToUpdate.elementSize = 1; |
---|
228 | break; |
---|
229 | case GL_INT_VEC2: |
---|
230 | defToUpdate.constType = GCT_INT2; |
---|
231 | defToUpdate.elementSize = 2; |
---|
232 | break; |
---|
233 | case GL_INT_VEC3: |
---|
234 | defToUpdate.constType = GCT_INT3; |
---|
235 | defToUpdate.elementSize = 3; |
---|
236 | break; |
---|
237 | case GL_INT_VEC4: |
---|
238 | defToUpdate.constType = GCT_INT4; |
---|
239 | defToUpdate.elementSize = 4; |
---|
240 | break; |
---|
241 | case GL_FLOAT_MAT2: |
---|
242 | defToUpdate.constType = GCT_MATRIX_2X2; |
---|
243 | defToUpdate.elementSize = 4; |
---|
244 | break; |
---|
245 | case GL_FLOAT_MAT3: |
---|
246 | defToUpdate.constType = GCT_MATRIX_3X3; |
---|
247 | defToUpdate.elementSize = 9; |
---|
248 | break; |
---|
249 | case GL_FLOAT_MAT4: |
---|
250 | defToUpdate.constType = GCT_MATRIX_4X4; |
---|
251 | defToUpdate.elementSize = 16; |
---|
252 | break; |
---|
253 | case GL_FLOAT_MAT2x3: |
---|
254 | defToUpdate.constType = GCT_MATRIX_2X3; |
---|
255 | defToUpdate.elementSize = 6; |
---|
256 | break; |
---|
257 | case GL_FLOAT_MAT3x2: |
---|
258 | defToUpdate.constType = GCT_MATRIX_3X2; |
---|
259 | defToUpdate.elementSize = 6; |
---|
260 | break; |
---|
261 | case GL_FLOAT_MAT2x4: |
---|
262 | defToUpdate.constType = GCT_MATRIX_2X4; |
---|
263 | defToUpdate.elementSize = 8; |
---|
264 | break; |
---|
265 | case GL_FLOAT_MAT4x2: |
---|
266 | defToUpdate.constType = GCT_MATRIX_4X2; |
---|
267 | defToUpdate.elementSize = 8; |
---|
268 | break; |
---|
269 | case GL_FLOAT_MAT3x4: |
---|
270 | defToUpdate.constType = GCT_MATRIX_3X4; |
---|
271 | defToUpdate.elementSize = 12; |
---|
272 | break; |
---|
273 | case GL_FLOAT_MAT4x3: |
---|
274 | defToUpdate.constType = GCT_MATRIX_4X3; |
---|
275 | defToUpdate.elementSize = 12; |
---|
276 | break; |
---|
277 | default: |
---|
278 | defToUpdate.constType = GCT_UNKNOWN; |
---|
279 | break; |
---|
280 | |
---|
281 | } |
---|
282 | |
---|
283 | } |
---|
284 | //--------------------------------------------------------------------- |
---|
285 | bool GLSLLinkProgramManager::completeParamSource( |
---|
286 | const String& paramName, |
---|
287 | const GpuConstantDefinitionMap* vertexConstantDefs, |
---|
288 | const GpuConstantDefinitionMap* fragmentConstantDefs, |
---|
289 | GLUniformReference& refToUpdate) |
---|
290 | { |
---|
291 | if (vertexConstantDefs) |
---|
292 | { |
---|
293 | GpuConstantDefinitionMap::const_iterator parami = |
---|
294 | vertexConstantDefs->find(paramName); |
---|
295 | if (parami != vertexConstantDefs->end()) |
---|
296 | { |
---|
297 | refToUpdate.mSourceProgType = GPT_VERTEX_PROGRAM; |
---|
298 | refToUpdate.mConstantDef = &(parami->second); |
---|
299 | return true; |
---|
300 | } |
---|
301 | |
---|
302 | } |
---|
303 | if (fragmentConstantDefs) |
---|
304 | { |
---|
305 | GpuConstantDefinitionMap::const_iterator parami = |
---|
306 | fragmentConstantDefs->find(paramName); |
---|
307 | if (parami != fragmentConstantDefs->end()) |
---|
308 | { |
---|
309 | refToUpdate.mSourceProgType = GPT_FRAGMENT_PROGRAM; |
---|
310 | refToUpdate.mConstantDef = &(parami->second); |
---|
311 | return true; |
---|
312 | } |
---|
313 | } |
---|
314 | return false; |
---|
315 | |
---|
316 | |
---|
317 | } |
---|
318 | //--------------------------------------------------------------------- |
---|
319 | void GLSLLinkProgramManager::extractUniforms(GLhandleARB programObject, |
---|
320 | const GpuConstantDefinitionMap* vertexConstantDefs, |
---|
321 | const GpuConstantDefinitionMap* fragmentConstantDefs, |
---|
322 | GLUniformReferenceList& list) |
---|
323 | { |
---|
324 | // scan through the active uniforms and add them to the reference list |
---|
325 | GLint uniformCount; |
---|
326 | |
---|
327 | #define BUFFERSIZE 200 |
---|
328 | char uniformName[BUFFERSIZE]; |
---|
329 | //GLint location; |
---|
330 | GLUniformReference newGLUniformReference; |
---|
331 | |
---|
332 | // get the number of active uniforms |
---|
333 | glGetObjectParameterivARB(programObject, GL_OBJECT_ACTIVE_UNIFORMS_ARB, |
---|
334 | &uniformCount); |
---|
335 | |
---|
336 | // Loop over each of the active uniforms, and add them to the reference container |
---|
337 | // only do this for user defined uniforms, ignore built in gl state uniforms |
---|
338 | for (int index = 0; index < uniformCount; index++) |
---|
339 | { |
---|
340 | GLint arraySize; |
---|
341 | GLenum glType; |
---|
342 | glGetActiveUniformARB(programObject, index, BUFFERSIZE, NULL, |
---|
343 | &arraySize, &glType, uniformName); |
---|
344 | // don't add built in uniforms |
---|
345 | newGLUniformReference.mLocation = glGetUniformLocationARB(programObject, uniformName); |
---|
346 | if (newGLUniformReference.mLocation >= 0) |
---|
347 | { |
---|
348 | // user defined uniform found, add it to the reference list |
---|
349 | String paramName = String( uniformName ); |
---|
350 | |
---|
351 | // currant ATI drivers (Catalyst 7.2 and earlier) and older NVidia drivers will include all array elements as uniforms but we only want the root array name and location |
---|
352 | // Also note that ATI Catalyst 6.8 to 7.2 there is a bug with glUniform that does not allow you to update a uniform array past the first uniform array element |
---|
353 | // ie you can't start updating an array starting at element 1, must always be element 0. |
---|
354 | |
---|
355 | // if the uniform name has a "[" in it then its an array element uniform. |
---|
356 | String::size_type arrayStart = paramName.find("["); |
---|
357 | if (arrayStart != String::npos) |
---|
358 | { |
---|
359 | // if not the first array element then skip it and continue to the next uniform |
---|
360 | if (paramName.compare(arrayStart, paramName.size() - 1, "[0]") != 0) continue; |
---|
361 | paramName = paramName.substr(0, arrayStart); |
---|
362 | } |
---|
363 | |
---|
364 | // find out which params object this comes from |
---|
365 | bool foundSource = completeParamSource(paramName, |
---|
366 | vertexConstantDefs, |
---|
367 | fragmentConstantDefs, newGLUniformReference); |
---|
368 | |
---|
369 | // only add this parameter if we found the source |
---|
370 | if (foundSource) |
---|
371 | { |
---|
372 | assert(arraySize == newGLUniformReference.mConstantDef->arraySize |
---|
373 | && "GL doesn't agree with our array size!"); |
---|
374 | list.push_back(newGLUniformReference); |
---|
375 | } |
---|
376 | |
---|
377 | // Don't bother adding individual array params, they will be |
---|
378 | // picked up in the 'parent' parameter can copied all at once |
---|
379 | // anyway, individual indexes are only needed for lookup from |
---|
380 | // user params |
---|
381 | } // end if |
---|
382 | } // end for |
---|
383 | |
---|
384 | } |
---|
385 | //--------------------------------------------------------------------- |
---|
386 | void GLSLLinkProgramManager::extractConstantDefs(const String& src, |
---|
387 | GpuNamedConstants& defs, const String& filename) |
---|
388 | { |
---|
389 | // Could have done this as a compiler but we don't want to have to |
---|
390 | // create a BNF for the whole GLSL syntax, so use a simpler method |
---|
391 | String::size_type currPos = 0; |
---|
392 | String line; |
---|
393 | currPos = src.find("uniform", currPos); |
---|
394 | while (currPos != String::npos) |
---|
395 | { |
---|
396 | GpuConstantDefinition def; |
---|
397 | String paramName; |
---|
398 | |
---|
399 | // Check that this is not in a comment block |
---|
400 | bool inComment = false; |
---|
401 | |
---|
402 | // block-comments |
---|
403 | size_t commentStart = src.rfind("/*", currPos); |
---|
404 | if (commentStart != String::npos) |
---|
405 | { |
---|
406 | size_t commentEnd = src.rfind("*/", currPos); |
---|
407 | if (commentEnd == String::npos || commentEnd < commentStart) |
---|
408 | { |
---|
409 | // no ending comment, or ending comment was from a previous batch |
---|
410 | inComment = true; |
---|
411 | } |
---|
412 | } |
---|
413 | // line-comments |
---|
414 | if (!inComment) |
---|
415 | { |
---|
416 | commentStart = src.rfind("//", currPos); |
---|
417 | if (commentStart != String::npos) |
---|
418 | { |
---|
419 | size_t lineEnd = src.rfind("\n", currPos); |
---|
420 | |
---|
421 | // On same line as comment? Either no newline or nearest is before comment start |
---|
422 | if (lineEnd == String::npos || lineEnd < commentStart) |
---|
423 | { |
---|
424 | inComment = true; |
---|
425 | } |
---|
426 | } |
---|
427 | } |
---|
428 | |
---|
429 | // Now check for using the word 'uniform' in a larger string & ignore |
---|
430 | bool inLargerString = false; |
---|
431 | if (!inComment) |
---|
432 | { |
---|
433 | if (currPos != 0) |
---|
434 | { |
---|
435 | char prev = src.at(currPos - 1); |
---|
436 | if (prev != ' ' && prev != '\t' && prev != '\r' && prev != '\n' |
---|
437 | && prev != ';') |
---|
438 | inLargerString = true; |
---|
439 | } |
---|
440 | if (!inLargerString && currPos + 7 < src.size()) |
---|
441 | { |
---|
442 | char next = src.at(currPos + 7); |
---|
443 | if (next != ' ' && next != '\t' && next != '\r' && next != '\n') |
---|
444 | inLargerString = true; |
---|
445 | } |
---|
446 | |
---|
447 | } |
---|
448 | |
---|
449 | // skip 'uniform' |
---|
450 | currPos += 7; |
---|
451 | |
---|
452 | if (!inComment && !inLargerString) |
---|
453 | { |
---|
454 | // find terminating semicolon |
---|
455 | String::size_type endPos = src.find(";", currPos); |
---|
456 | if (endPos == String::npos) |
---|
457 | { |
---|
458 | // problem, missing semicolon, abort |
---|
459 | break; |
---|
460 | } |
---|
461 | line = src.substr(currPos, endPos - currPos); |
---|
462 | |
---|
463 | // Split into tokens |
---|
464 | StringVector parts = StringUtil::split(line, ", \t\r\n"); |
---|
465 | |
---|
466 | for (StringVector::iterator i = parts.begin(); i != parts.end(); ++i) |
---|
467 | { |
---|
468 | // Is this a type? |
---|
469 | StringToEnumMap::iterator typei = mTypeEnumMap.find(*i); |
---|
470 | if (typei != mTypeEnumMap.end()) |
---|
471 | { |
---|
472 | completeDefInfo(typei->second, def); |
---|
473 | } |
---|
474 | else |
---|
475 | { |
---|
476 | // if this is not a type, and not empty, it should be a name |
---|
477 | StringUtil::trim(*i); |
---|
478 | if (i->empty()) continue; |
---|
479 | |
---|
480 | String::size_type arrayStart = i->find("[", 0); |
---|
481 | if (arrayStart != String::npos) |
---|
482 | { |
---|
483 | // potential name (if butted up to array) |
---|
484 | String name = i->substr(0, arrayStart); |
---|
485 | StringUtil::trim(name); |
---|
486 | if (!name.empty()) |
---|
487 | paramName = name; |
---|
488 | |
---|
489 | String::size_type arrayEnd = i->find("]", arrayStart); |
---|
490 | String arrayDimTerm = i->substr(arrayStart + 1, arrayEnd - arrayStart - 1); |
---|
491 | StringUtil::trim(arrayDimTerm); |
---|
492 | // the array term might be a simple number or it might be |
---|
493 | // an expression (e.g. 24*3) or refer to a constant expression |
---|
494 | // we'd have to evaluate the expression which could get nasty |
---|
495 | // TODO |
---|
496 | def.arraySize = StringConverter::parseInt(arrayDimTerm); |
---|
497 | |
---|
498 | } |
---|
499 | else |
---|
500 | { |
---|
501 | paramName = *i; |
---|
502 | def.arraySize = 1; |
---|
503 | } |
---|
504 | |
---|
505 | // Name should be after the type, so complete def and add |
---|
506 | // We do this now so that comma-separated params will do |
---|
507 | // this part once for each name mentioned |
---|
508 | if (def.constType == GCT_UNKNOWN) |
---|
509 | { |
---|
510 | LogManager::getSingleton().logMessage( |
---|
511 | "Problem parsing the following GLSL Uniform: '" |
---|
512 | + line + "' in file " + filename); |
---|
513 | // next uniform |
---|
514 | break; |
---|
515 | } |
---|
516 | |
---|
517 | // Complete def and add |
---|
518 | // increment physical buffer location |
---|
519 | if (def.isFloat()) |
---|
520 | { |
---|
521 | def.physicalIndex = defs.floatBufferSize; |
---|
522 | defs.floatBufferSize += def.arraySize * def.elementSize; |
---|
523 | } |
---|
524 | else |
---|
525 | { |
---|
526 | def.physicalIndex = defs.intBufferSize; |
---|
527 | defs.intBufferSize += def.arraySize * def.elementSize; |
---|
528 | } |
---|
529 | defs.map.insert(GpuConstantDefinitionMap::value_type(paramName, def)); |
---|
530 | |
---|
531 | // Generate array accessors |
---|
532 | defs.generateConstantDefinitionArrayEntries(paramName, def); |
---|
533 | |
---|
534 | |
---|
535 | } |
---|
536 | |
---|
537 | } |
---|
538 | |
---|
539 | } // not commented or a larger symbol |
---|
540 | |
---|
541 | // Find next one |
---|
542 | currPos = src.find("uniform", currPos); |
---|
543 | |
---|
544 | } |
---|
545 | |
---|
546 | } |
---|
547 | |
---|
548 | } |
---|