0025442: Visualization, TKOpenGl - prevent inclusion of system header glxext.h
[occt.git] / src / OpenGl / OpenGl_ShaderProgram.hxx
CommitLineData
30f0ad28 1// Created on: 2013-09-19
2// Created by: Denis BOGOLEPOV
d5f74e42 3// Copyright (c) 2013-2014 OPEN CASCADE SAS
30f0ad28 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
30f0ad28 6//
d5f74e42 7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
30f0ad28 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
30f0ad28 15
16#ifndef _OpenGl_ShaderProgram_Header
17#define _OpenGl_ShaderProgram_Header
18
19#include <NCollection_DataMap.hxx>
20#include <NCollection_Sequence.hxx>
21#include <TCollection_AsciiString.hxx>
22
23#include <Graphic3d_ShaderObject.hxx>
24#include <Graphic3d_ShaderProgram.hxx>
25
26#include <InterfaceGraphic_tgl_all.hxx>
27
28#include <OpenGl_Vec.hxx>
29#include <OpenGl_Matrix.hxx>
30#include <OpenGl_ShaderObject.hxx>
31#include <Handle_OpenGl_ShaderProgram.hxx>
32
33//! The enumeration of OCCT-specific OpenGL/GLSL variables.
34enum OpenGl_StateVariable
35{
36 // OpenGL matrix state
37 OpenGl_OCC_MODEL_WORLD_MATRIX,
38 OpenGl_OCC_WORLD_VIEW_MATRIX,
39 OpenGl_OCC_PROJECTION_MATRIX,
40 OpenGl_OCC_MODEL_WORLD_MATRIX_INVERSE,
41 OpenGl_OCC_WORLD_VIEW_MATRIX_INVERSE,
42 OpenGl_OCC_PROJECTION_MATRIX_INVERSE,
43 OpenGl_OCC_MODEL_WORLD_MATRIX_TRANSPOSE,
44 OpenGl_OCC_WORLD_VIEW_MATRIX_TRANSPOSE,
45 OpenGl_OCC_PROJECTION_MATRIX_TRANSPOSE,
46 OpenGl_OCC_MODEL_WORLD_MATRIX_INVERSE_TRANSPOSE,
47 OpenGl_OCC_WORLD_VIEW_MATRIX_INVERSE_TRANSPOSE,
48 OpenGl_OCC_PROJECTION_MATRIX_INVERSE_TRANSPOSE,
49
50 // OpenGL clip planes state
12381341 51 OpenGl_OCC_CLIP_PLANE_EQUATIONS,
52 OpenGl_OCC_CLIP_PLANE_SPACES,
5495fa7e 53 OpenGl_OCC_CLIP_PLANE_COUNT,
30f0ad28 54
55 // OpenGL light state
12381341 56 OpenGl_OCC_LIGHT_SOURCE_COUNT,
57 OpenGl_OCC_LIGHT_SOURCE_TYPES,
58 OpenGl_OCC_LIGHT_SOURCE_PARAMS,
59 OpenGl_OCC_LIGHT_AMBIENT,
30f0ad28 60
61 // Material state
62 OpenGl_OCCT_ACTIVE_SAMPLER,
63 OpenGl_OCCT_TEXTURE_ENABLE,
64 OpenGl_OCCT_DISTINGUISH_MODE,
12381341 65 OpenGl_OCCT_FRONT_MATERIAL,
66 OpenGl_OCCT_BACK_MATERIAL,
8625ef7e 67 OpenGl_OCCT_COLOR,
68
69 OpenGl_OCCT_POINT_SIZE,
30f0ad28 70
71 // DON'T MODIFY THIS ITEM (insert new items before it)
72 OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES
73};
74
75class OpenGl_ShaderProgram;
76
77//! Interface for generic setter of user-defined uniform variables.
78struct OpenGl_SetterInterface
79{
80 //! Sets user-defined uniform variable to specified program.
81 virtual void Set (const Handle(OpenGl_Context)& theCtx,
82 const Handle(Graphic3d_ShaderVariable)& theVariable,
83 OpenGl_ShaderProgram* theProgram) = 0;
84
85 //! Destructor
86 virtual ~OpenGl_SetterInterface() {}
87};
88
89//! List of OpenGL shader objects.
90typedef NCollection_Sequence<Handle(OpenGl_ShaderObject)> OpenGl_ShaderList;
91
92//! List of shader variable setters.
93typedef NCollection_DataMap<size_t, OpenGl_SetterInterface*> OpenGl_SetterList;
94
95//! Support tool for setting user-defined uniform variables.
96class OpenGl_VariableSetterSelector
97{
98public:
99
100 //! Creates new setter selector.
101 OpenGl_VariableSetterSelector();
102
103 //! Releases memory resources of setter selector.
104 ~OpenGl_VariableSetterSelector();
105
106 //! Sets user-defined uniform variable to specified program.
107 void Set (const Handle(OpenGl_Context)& theCtx,
108 const Handle(Graphic3d_ShaderVariable)& theVariable,
109 OpenGl_ShaderProgram* theProgram) const;
110
111private:
112
113 //! List of variable setters.
114 OpenGl_SetterList mySetterList;
115};
116
117//! Defines types of uniform state variables.
118enum OpenGl_UniformStateType
119{
120 OpenGl_LIGHT_SOURCES_STATE,
121 OpenGl_CLIP_PLANES_STATE,
122 OpenGl_MODEL_WORLD_STATE,
123 OpenGl_WORLD_VIEW_STATE,
124 OpenGl_PROJECTION_STATE,
125 OpenGl_MATERIALS_STATE
126};
127
128//! Total number of state types.
129const int MaxStateTypes = 6;
130
131//! Wrapper for OpenGL program object.
132class OpenGl_ShaderProgram : public OpenGl_Resource
133{
fc73a202 134 friend class OpenGl_Workspace;
30f0ad28 135
136public:
137
138 //! Non-valid shader name.
139 static const GLuint NO_PROGRAM = 0;
140
141 //! Invalid location of uniform/attribute variable.
142 static const GLint INVALID_LOCATION = -1;
143
144 //! List of pre-defined OCCT state uniform variables.
145 static Standard_CString PredefinedKeywords[OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES];
146
147protected:
148
149 //! Creates uninitialized shader program.
150 Standard_EXPORT OpenGl_ShaderProgram (const Handle(Graphic3d_ShaderProgram)& theProxy = NULL);
151
152 static OpenGl_VariableSetterSelector mySetterSelector;
153
154public:
155
156 //! Releases resources of shader program.
157 Standard_EXPORT virtual ~OpenGl_ShaderProgram();
158
159 //! Creates new empty shader program of specified type.
160 Standard_EXPORT Standard_Boolean Create (const Handle(OpenGl_Context)& theCtx);
161
162 //! Destroys shader program.
10b9c7df 163 Standard_EXPORT virtual void Release (OpenGl_Context* theCtx);
30f0ad28 164
165 //! Attaches shader object to the program object.
166 Standard_EXPORT Standard_Boolean AttachShader (const Handle(OpenGl_Context)& theCtx,
167 const Handle(OpenGl_ShaderObject)& theShader);
168
169 //! Detaches shader object to the program object.
170 Standard_EXPORT Standard_Boolean DetachShader (const Handle(OpenGl_Context)& theCtx,
171 const Handle(OpenGl_ShaderObject)& theShader);
172
173 //! Initializes program object with the list of shader objects.
174 Standard_EXPORT Standard_Boolean Initialize (const Handle(OpenGl_Context)& theCtx,
175 const Graphic3d_ShaderObjectList& theShaders);
176
177 //! Links the program object.
178 Standard_EXPORT Standard_Boolean Link (const Handle(OpenGl_Context)& theCtx);
179
180 //! Fetches information log of the last link operation.
181 Standard_EXPORT Standard_Boolean FetchInfoLog (const Handle(OpenGl_Context)& theCtx,
182 TCollection_AsciiString& theLog);
183
184 //! Fetches uniform variables from proxy shader program.
185 Standard_EXPORT Standard_Boolean ApplyVariables (const Handle(OpenGl_Context)& theCtx);
186
12381341 187 //! @return true if current object was initialized
188 inline bool IsValid() const
189 {
190 return myProgramID != NO_PROGRAM;
191 }
192
7d3e64ef 193 //! @return program ID
194 inline GLuint ProgramId() const
195 {
196 return myProgramID;
197 }
198
30f0ad28 199private:
200
201 //! Returns index of last modification of variables of specified state type.
202 Standard_EXPORT Standard_Size ActiveState (const OpenGl_UniformStateType theType) const;
203
204 //! Updates index of last modification of variables of specified state type.
205 Standard_EXPORT void UpdateState (const OpenGl_UniformStateType theType,
206 const Standard_Size theIndex);
207
208public:
209
210 //! Returns location of the specific uniform variable.
211 Standard_EXPORT GLint GetUniformLocation (const Handle(OpenGl_Context)& theCtx,
212 const GLchar* theName) const;
213
214 //! Returns index of the generic vertex attribute by variable name.
215 Standard_EXPORT GLint GetAttributeLocation (const Handle(OpenGl_Context)& theCtx,
216 const GLchar* theName) const;
217
218 //! Returns location of the OCCT state uniform variable.
219 Standard_EXPORT GLint GetStateLocation (const GLuint theVariable) const;
220
221public:
222
223 //! Returns the value of the integer uniform variable.
224 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
225 const GLchar* theName,
226 OpenGl_Vec4i& theValue) const;
227
228 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
229 GLint theLocation,
230 OpenGl_Vec4i& theValue) const;
231
232 //! Returns the value of the float uniform variable.
233 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
234 const GLchar* theName,
235 OpenGl_Vec4& theValue) const;
236
237 //! Returns the value of the float uniform variable.
238 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
239 GLint theLocation,
240 OpenGl_Vec4& theValue) const;
241
242public:
243
244 //! Returns the integer vertex attribute.
245 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
246 const GLchar* theName,
247 OpenGl_Vec4i& theValue) const;
248
249 //! Returns the integer vertex attribute.
250 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
251 GLint theIndex,
252 OpenGl_Vec4i& theValue) const;
253
254 //! Returns the float vertex attribute.
255 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
256 const GLchar* theName,
257 OpenGl_Vec4& theValue) const;
258
259 //! Returns the float vertex attribute.
260 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
261 GLint theIndex,
262 OpenGl_Vec4& theValue) const;
263
264public:
265
fc73a202 266 //! Wrapper for glBindAttribLocation()
267 Standard_EXPORT Standard_Boolean SetAttributeName (const Handle(OpenGl_Context)& theCtx,
268 GLint theIndex,
269 const GLchar* theName);
270
271 //! Wrapper for glVertexAttrib1f()
272 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
273 const GLchar* theName,
274 GLfloat theValue);
275
276 //! Wrapper for glVertexAttrib1f()
277 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
278 GLint theIndex,
279 GLfloat theValue);
280
281 //! Wrapper for glVertexAttrib2fv()
282 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
283 const GLchar* theName,
284 const OpenGl_Vec2& theValue);
285
286 //! Wrapper for glVertexAttrib2fv()
287 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
288 GLint theIndex,
289 const OpenGl_Vec2& theValue);
290
291 //! Wrapper for glVertexAttrib3fv()
292 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
293 const GLchar* theName,
294 const OpenGl_Vec3& theValue);
295
296 //! Wrapper for glVertexAttrib3fv()
297 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
298 GLint theIndex,
299 const OpenGl_Vec3& theValue);
300
301 //! Wrapper for glVertexAttrib4fv()
302 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
303 const GLchar* theName,
304 const OpenGl_Vec4& theValue);
305
306 //! Wrapper for glVertexAttrib4fv()
307 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
308 GLint theIndex,
309 const OpenGl_Vec4& theValue);
310
311public:
312
30f0ad28 313 //! Specifies the value of the integer uniform variable.
314 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
315 const GLchar* theName,
316 GLint theValue);
317
318 //! Specifies the value of the integer uniform variable.
319 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
320 GLint theLocation,
321 GLint theValue);
322
323 //! Specifies the value of the integer uniform 2D vector.
324 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
325 const GLchar* theName,
326 const OpenGl_Vec2i& theValue);
327
328 //! Specifies the value of the integer uniform 2D vector.
329 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
330 GLint theLocation,
331 const OpenGl_Vec2i& theValue);
332
333 //! Specifies the value of the integer uniform 3D vector.
334 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
335 const GLchar* theName,
336 const OpenGl_Vec3i& theValue);
337
338 //! Specifies the value of the integer uniform 3D vector.
339 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
340 GLint theLocation,
341 const OpenGl_Vec3i& theValue);
342
343 //! Specifies the value of the integer uniform 4D vector.
344 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
345 const GLchar* theName,
346 const OpenGl_Vec4i& theValue);
347
348 //! Specifies the value of the integer uniform 4D vector.
349 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
350 GLint theLocation,
351 const OpenGl_Vec4i& theValue);
352
353public:
354
25ef750e 355 //! Specifies the value of the 64-bit unsigned integer uniform variable.
356 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
357 const GLchar* theName,
358 GLuint64 theValue);
359
360 //! Specifies the value of the 64-bit unsigned integer uniform variable.
361 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
362 GLint theLocation,
363 GLuint64 theValue);
364
365 //! Specifies the value of the 64-bit unsigned integer uniform array.
366 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
367 const GLchar* theName,
368 const GLsizei theCount,
369 const GLuint64* theValue);
370
371 //! Specifies the value of the 64-bit unsigned integer uniform array.
372 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
373 GLint theLocation,
374 const GLsizei theCount,
375 const GLuint64* theValue);
376
377public:
378
30f0ad28 379 //! Specifies the value of the float uniform variable.
380 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
381 const GLchar* theName,
382 GLfloat theValue);
383
384 //! Specifies the value of the float uniform variable.
385 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
386 GLint theLocation,
387 GLfloat theValue);
388
389 //! Specifies the value of the float uniform 2D vector.
390 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
391 const GLchar* theName,
392 const OpenGl_Vec2& theValue);
393
394 //! Specifies the value of the float uniform 2D vector.
395 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
396 GLint theLocation,
397 const OpenGl_Vec2& theValue);
398
399 //! Specifies the value of the float uniform 3D vector.
400 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
401 const GLchar* theName,
402 const OpenGl_Vec3& theValue);
403
404 //! Specifies the value of the float uniform 3D vector.
405 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
406 GLint theLocation,
407 const OpenGl_Vec3& theValue);
408
409 //! Specifies the value of the float uniform 4D vector.
410 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
411 const GLchar* theName,
412 const OpenGl_Vec4& theValue);
413
414 //! Specifies the value of the float uniform 4D vector.
415 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
416 GLint theLocation,
417 const OpenGl_Vec4& theValue);
418
419public:
420
421 //! Specifies the value of the float uniform 4x4 matrix.
422 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
423 const GLchar* theName,
25ef750e 424 const OpenGl_Mat4& theValue,
425 GLboolean theTranspose = GL_FALSE);
426
427 //! Specifies the value of the float uniform 4x4 matrix.
428 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
429 GLint theLocation,
430 const OpenGl_Mat4& theValue,
431 GLboolean theTranspose = GL_FALSE);
432
433 //! Specifies the value of the float uniform 4x4 matrix.
434 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
435 const GLchar* theName,
30f0ad28 436 const OpenGl_Matrix& theValue,
437 GLboolean theTranspose = GL_FALSE);
438
439 //! Specifies the value of the float uniform 4x4 matrix.
440 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
441 GLint theLocation,
442 const OpenGl_Matrix& theValue,
443 GLboolean theTranspose = GL_FALSE);
444
445 //! Specifies the value of the float uniform 4x4 matrix.
446 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
447 const GLchar* theName,
448 const Tmatrix3& theValue,
449 GLboolean theTranspose = GL_FALSE);
450
451 //! Specifies the value of the float uniform 4x4 matrix.
452 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
453 GLint theLocation,
454 const Tmatrix3& theValue,
455 GLboolean theTranspose = GL_FALSE);
456
4fe9ad57 457 //! Specifies the value of the float uniform array
458 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
459 GLint theLocation,
460 GLuint theCount,
461 const Standard_ShortReal* theData);
462
463 //! Specifies the value of the float2 uniform array
464 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
465 GLint theLocation,
466 GLuint theCount,
467 const OpenGl_Vec2* theData);
468
469 //! Specifies the value of the float3 uniform array
470 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
471 GLint theLocation,
472 GLuint theCount,
473 const OpenGl_Vec3* theData);
474
475 //! Specifies the value of the float4 uniform array
476 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
477 GLint theLocation,
478 GLuint theCount,
479 const OpenGl_Vec4* theData);
480
481 //! Specifies the value of the integer uniform array
482 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
483 GLint theLocation,
484 GLuint theCount,
485 const Standard_Integer* theData);
486
487 //! Specifies the value of the int2 uniform array
488 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
489 GLint theLocation,
490 GLuint theCount,
491 const OpenGl_Vec2i* theData);
492
493 //! Specifies the value of the int3 uniform array
494 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
495 GLint theLocation,
496 GLuint theCount,
497 const OpenGl_Vec3i* theData);
498
499 //! Specifies the value of the int4 uniform array
500 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
501 GLint theLocation,
502 GLuint theCount,
503 const OpenGl_Vec4i* theData);
504
30f0ad28 505public:
506
507 //! Specifies the value of the sampler uniform variable.
508 Standard_EXPORT Standard_Boolean SetSampler (const Handle(OpenGl_Context)& theCtx,
509 const GLchar* theName,
510 const GLenum theTextureUnit);
511
512 //! Specifies the value of the sampler uniform variable.
513 Standard_EXPORT Standard_Boolean SetSampler (const Handle(OpenGl_Context)& theCtx,
514 GLint theLocation,
515 const GLenum theTextureUnit);
516
517protected:
518
392ac980 519 //! Increments counter of users.
520 //! Used by OpenGl_ShaderManager.
05dd08ce 521 //! @return true when resource has been restored from delayed release queue
522 bool Share()
392ac980 523 {
05dd08ce 524 return ++myShareCount == 1;
392ac980 525 }
526
527 //! Decrements counter of users.
528 //! Used by OpenGl_ShaderManager.
529 //! @return true when there are no more users of this program has been left
530 bool UnShare()
531 {
532 return --myShareCount == 0;
533 }
534
535protected:
536
537 GLuint myProgramID; //!< Handle of OpenGL shader program
538 OpenGl_ShaderList myShaderObjects; //!< List of attached shader objects
539 Handle(Graphic3d_ShaderProgram) myProxy; //!< Proxy shader program (from application layer)
540 Standard_Integer myShareCount; //!< program users count, initialized with 1 (already shared by one user)
30f0ad28 541
542protected:
543
8625ef7e 544 Standard_Size myCurrentState[MaxStateTypes]; //!< defines last modification for variables of each state type
30f0ad28 545
546 //! Stores locations of OCCT state uniform variables.
547 GLint myStateLocations[OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES];
548
549public:
550
551 DEFINE_STANDARD_RTTI (OpenGl_ShaderProgram)
552 friend class OpenGl_ShaderManager;
553
554};
555
556template<class T>
557struct OpenGl_VariableSetter : public OpenGl_SetterInterface
558{
559 virtual void Set (const Handle(OpenGl_Context)& theCtx,
560 const Handle(Graphic3d_ShaderVariable)& theVariable,
561 OpenGl_ShaderProgram* theProgram)
562 {
563 theProgram->SetUniform (theCtx,
564 theVariable->Name().ToCString(),
565 theVariable->Value()->As<T>());
566 }
567};
568
569namespace OpenGl_HashMapInitializer
570{
571 template<class K, class V>
572 struct MapListOfType
573 {
574 NCollection_DataMap<K, V> myDictionary;
575
576 MapListOfType (K theKey, V theValue)
577 {
578 myDictionary.Bind (theKey, theValue);
579 }
580
581 MapListOfType& operator() (K theKey, V theValue)
582 {
583 myDictionary.Bind (theKey, theValue);
584 return *this;
585 }
586
587 operator const NCollection_DataMap<K, V>& () const
588 {
589 return myDictionary;
590 }
591 };
592
593 template<class K, class V>
594 MapListOfType<K, V> CreateListOf (K theKey, V theValue)
595 {
596 return MapListOfType<K, V> (theKey, theValue);
597 }
598}
599
600#endif // _OpenGl_ShaderProgram_Header