1 // Created on: 2013-09-19
2 // Created by: Denis BOGOLEPOV
3 // Copyright (c) 2013-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
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
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.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _OpenGl_ShaderProgram_Header
17 #define _OpenGl_ShaderProgram_Header
19 #include <NCollection_DataMap.hxx>
20 #include <NCollection_Sequence.hxx>
21 #include <TCollection_AsciiString.hxx>
23 #include <Graphic3d_ShaderObject.hxx>
24 #include <Graphic3d_ShaderProgram.hxx>
26 #include <OpenGl_Vec.hxx>
27 #include <OpenGl_Matrix.hxx>
28 #include <OpenGl_NamedResource.hxx>
29 #include <OpenGl_ShaderObject.hxx>
31 class OpenGl_ShaderProgram;
32 DEFINE_STANDARD_HANDLE(OpenGl_ShaderProgram, OpenGl_NamedResource)
34 //! The enumeration of OCCT-specific OpenGL/GLSL variables.
35 enum OpenGl_StateVariable
37 // OpenGL matrix state
38 OpenGl_OCC_MODEL_WORLD_MATRIX,
39 OpenGl_OCC_WORLD_VIEW_MATRIX,
40 OpenGl_OCC_PROJECTION_MATRIX,
41 OpenGl_OCC_MODEL_WORLD_MATRIX_INVERSE,
42 OpenGl_OCC_WORLD_VIEW_MATRIX_INVERSE,
43 OpenGl_OCC_PROJECTION_MATRIX_INVERSE,
44 OpenGl_OCC_MODEL_WORLD_MATRIX_TRANSPOSE,
45 OpenGl_OCC_WORLD_VIEW_MATRIX_TRANSPOSE,
46 OpenGl_OCC_PROJECTION_MATRIX_TRANSPOSE,
47 OpenGl_OCC_MODEL_WORLD_MATRIX_INVERSE_TRANSPOSE,
48 OpenGl_OCC_WORLD_VIEW_MATRIX_INVERSE_TRANSPOSE,
49 OpenGl_OCC_PROJECTION_MATRIX_INVERSE_TRANSPOSE,
51 // OpenGL clip planes state
52 OpenGl_OCC_CLIP_PLANE_EQUATIONS,
53 OpenGl_OCC_CLIP_PLANE_CHAINS,
54 OpenGl_OCC_CLIP_PLANE_COUNT,
57 OpenGl_OCC_LIGHT_SOURCE_COUNT,
58 OpenGl_OCC_LIGHT_SOURCE_TYPES,
59 OpenGl_OCC_LIGHT_SOURCE_PARAMS,
60 OpenGl_OCC_LIGHT_AMBIENT,
63 OpenGl_OCCT_TEXTURE_ENABLE,
64 OpenGl_OCCT_DISTINGUISH_MODE,
65 OpenGl_OCCT_FRONT_MATERIAL,
66 OpenGl_OCCT_BACK_MATERIAL,
67 OpenGl_OCCT_ALPHA_CUTOFF,
70 // Weighted, Blended Order-Independent Transparency rendering state
71 OpenGl_OCCT_OIT_OUTPUT,
72 OpenGl_OCCT_OIT_DEPTH_FACTOR,
74 // Context-dependent state
75 OpenGl_OCCT_TEXTURE_TRSF2D,
76 OpenGl_OCCT_POINT_SIZE,
78 // DON'T MODIFY THIS ITEM (insert new items before it)
79 OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES
82 //! Interface for generic setter of user-defined uniform variables.
83 struct OpenGl_SetterInterface
85 //! Sets user-defined uniform variable to specified program.
86 virtual void Set (const Handle(OpenGl_Context)& theCtx,
87 const Handle(Graphic3d_ShaderVariable)& theVariable,
88 OpenGl_ShaderProgram* theProgram) = 0;
91 virtual ~OpenGl_SetterInterface() {}
94 //! List of OpenGL shader objects.
95 typedef NCollection_Sequence<Handle(OpenGl_ShaderObject)> OpenGl_ShaderList;
97 //! List of shader variable setters.
98 typedef NCollection_DataMap<size_t, OpenGl_SetterInterface*> OpenGl_SetterList;
100 //! Support tool for setting user-defined uniform variables.
101 class OpenGl_VariableSetterSelector
105 //! Creates new setter selector.
106 OpenGl_VariableSetterSelector();
108 //! Releases memory resources of setter selector.
109 ~OpenGl_VariableSetterSelector();
111 //! Sets user-defined uniform variable to specified program.
112 void Set (const Handle(OpenGl_Context)& theCtx,
113 const Handle(Graphic3d_ShaderVariable)& theVariable,
114 OpenGl_ShaderProgram* theProgram) const;
118 //! List of variable setters.
119 OpenGl_SetterList mySetterList;
122 //! Defines types of uniform state variables.
123 enum OpenGl_UniformStateType
125 OpenGl_LIGHT_SOURCES_STATE,
126 OpenGl_CLIP_PLANES_STATE,
127 OpenGl_MODEL_WORLD_STATE,
128 OpenGl_WORLD_VIEW_STATE,
129 OpenGl_PROJECTION_STATE,
130 OpenGl_MATERIAL_STATE,
131 OpenGl_SURF_DETAIL_STATE,
133 OpenGl_UniformStateType_NB
136 //! Wrapper for OpenGL program object.
137 class OpenGl_ShaderProgram : public OpenGl_NamedResource
139 friend class OpenGl_View;
140 friend class OpenGl_ShaderManager;
141 DEFINE_STANDARD_RTTIEXT(OpenGl_ShaderProgram, OpenGl_NamedResource)
144 //! Non-valid shader name.
145 static const GLuint NO_PROGRAM = 0;
147 //! Invalid location of uniform/attribute variable.
148 static const GLint INVALID_LOCATION = -1;
150 //! List of pre-defined OCCT state uniform variables.
151 static Standard_CString PredefinedKeywords[OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES];
153 //! Creates uninitialized shader program.
155 //! WARNING! This constructor is not intended to be called anywhere but from OpenGl_ShaderManager::Create().
156 //! Manager has been designed to synchronize camera position, lights definition and other aspects of the program implicitly,
157 //! as well as sharing same program across rendering groups.
159 //! Program created outside the manager will be left detached from these routines,
160 //! and them should be performed manually by caller.
162 //! This constructor has been made public to provide more flexibility to re-use OCCT OpenGL classes without OCCT Viewer itself.
163 //! If this is not the case - create the program using shared OpenGl_ShaderManager instance instead.
164 Standard_EXPORT OpenGl_ShaderProgram (const Handle(Graphic3d_ShaderProgram)& theProxy = NULL);
168 static OpenGl_VariableSetterSelector mySetterSelector;
172 //! Releases resources of shader program.
173 Standard_EXPORT virtual ~OpenGl_ShaderProgram();
175 //! Creates new empty shader program of specified type.
176 Standard_EXPORT Standard_Boolean Create (const Handle(OpenGl_Context)& theCtx);
178 //! Destroys shader program.
179 Standard_EXPORT virtual void Release (OpenGl_Context* theCtx) Standard_OVERRIDE;
181 //! Returns estimated GPU memory usage - cannot be easily estimated.
182 virtual Standard_Size EstimatedDataSize() const Standard_OVERRIDE { return 0; }
184 //! Attaches shader object to the program object.
185 Standard_EXPORT Standard_Boolean AttachShader (const Handle(OpenGl_Context)& theCtx,
186 const Handle(OpenGl_ShaderObject)& theShader);
188 //! Detaches shader object to the program object.
189 Standard_EXPORT Standard_Boolean DetachShader (const Handle(OpenGl_Context)& theCtx,
190 const Handle(OpenGl_ShaderObject)& theShader);
192 //! Initializes program object with the list of shader objects.
193 Standard_EXPORT Standard_Boolean Initialize (const Handle(OpenGl_Context)& theCtx,
194 const Graphic3d_ShaderObjectList& theShaders);
196 //! Links the program object.
197 Standard_EXPORT Standard_Boolean Link (const Handle(OpenGl_Context)& theCtx);
199 //! Fetches information log of the last link operation.
200 Standard_EXPORT Standard_Boolean FetchInfoLog (const Handle(OpenGl_Context)& theCtx,
201 TCollection_AsciiString& theLog);
203 //! Fetches uniform variables from proxy shader program.
204 Standard_EXPORT Standard_Boolean ApplyVariables (const Handle(OpenGl_Context)& theCtx);
206 //! @return true if current object was initialized
207 inline bool IsValid() const
209 return myProgramID != NO_PROGRAM;
212 //! @return program ID
213 inline GLuint ProgramId() const
220 //! Return TRUE if program defines tessellation stage.
221 Standard_Boolean HasTessellationStage() const { return myHasTessShader; }
223 //! Return the length of array of light sources (THE_MAX_LIGHTS),
224 //! to be used for initialization occLightSources (OpenGl_OCC_LIGHT_SOURCE_PARAMS).
225 Standard_Integer NbLightsMax() const { return myNbLightsMax; }
227 //! Return the length of array of clipping planes (THE_MAX_CLIP_PLANES),
228 //! to be used for initialization occClipPlaneEquations (OpenGl_OCC_CLIP_PLANE_EQUATIONS) and occClipPlaneChains (OpenGl_OCC_CLIP_PLANE_CHAINS).
229 Standard_Integer NbClipPlanesMax() const { return myNbClipPlanesMax; }
231 //! Return the length of array of Fragment Shader outputs (THE_NB_FRAG_OUTPUTS),
232 //! to be used for initialization occFragColorArray/occFragColorN.
233 Standard_Integer NbFragmentOutputs() const { return myNbFragOutputs; }
235 //! Return true if Fragment Shader should perform alpha test; FALSE by default.
236 Standard_Boolean HasAlphaTest() const { return myHasAlphaTest; }
238 //! Return true if Fragment Shader color should output the weighted OIT coverage; FALSE by default.
239 Standard_Boolean HasWeightOitOutput() const { return myHasWeightOitOutput; }
243 //! Returns index of last modification of variables of specified state type.
244 Standard_Size ActiveState (const OpenGl_UniformStateType theType) const
246 return theType < OpenGl_UniformStateType_NB
247 ? myCurrentState[theType]
251 //! Updates index of last modification of variables of specified state type.
252 void UpdateState (const OpenGl_UniformStateType theType,
253 const Standard_Size theIndex)
255 if (theType < OpenGl_UniformStateType_NB)
257 myCurrentState[theType] = theIndex;
263 //! Returns location of the specific uniform variable.
264 Standard_EXPORT GLint GetUniformLocation (const Handle(OpenGl_Context)& theCtx,
265 const GLchar* theName) const;
267 //! Returns index of the generic vertex attribute by variable name.
268 Standard_EXPORT GLint GetAttributeLocation (const Handle(OpenGl_Context)& theCtx,
269 const GLchar* theName) const;
271 //! Returns location of the OCCT state uniform variable.
272 Standard_EXPORT GLint GetStateLocation (const GLuint theVariable) const;
276 //! Returns the value of the integer uniform variable.
277 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
278 const GLchar* theName,
279 OpenGl_Vec4i& theValue) const;
281 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
283 OpenGl_Vec4i& theValue) const;
285 //! Returns the value of the float uniform variable.
286 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
287 const GLchar* theName,
288 OpenGl_Vec4& theValue) const;
290 //! Returns the value of the float uniform variable.
291 Standard_EXPORT Standard_Boolean GetUniform (const Handle(OpenGl_Context)& theCtx,
293 OpenGl_Vec4& theValue) const;
297 //! Returns the integer vertex attribute.
298 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
299 const GLchar* theName,
300 OpenGl_Vec4i& theValue) const;
302 //! Returns the integer vertex attribute.
303 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
305 OpenGl_Vec4i& theValue) const;
307 //! Returns the float vertex attribute.
308 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
309 const GLchar* theName,
310 OpenGl_Vec4& theValue) const;
312 //! Returns the float vertex attribute.
313 Standard_EXPORT Standard_Boolean GetAttribute (const Handle(OpenGl_Context)& theCtx,
315 OpenGl_Vec4& theValue) const;
319 //! Wrapper for glBindAttribLocation()
320 Standard_EXPORT Standard_Boolean SetAttributeName (const Handle(OpenGl_Context)& theCtx,
322 const GLchar* theName);
324 //! Wrapper for glVertexAttrib1f()
325 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
326 const GLchar* theName,
329 //! Wrapper for glVertexAttrib1f()
330 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
334 //! Wrapper for glVertexAttrib2fv()
335 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
336 const GLchar* theName,
337 const OpenGl_Vec2& theValue);
339 //! Wrapper for glVertexAttrib2fv()
340 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
342 const OpenGl_Vec2& theValue);
344 //! Wrapper for glVertexAttrib3fv()
345 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
346 const GLchar* theName,
347 const OpenGl_Vec3& theValue);
349 //! Wrapper for glVertexAttrib3fv()
350 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
352 const OpenGl_Vec3& theValue);
354 //! Wrapper for glVertexAttrib4fv()
355 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
356 const GLchar* theName,
357 const OpenGl_Vec4& theValue);
359 //! Wrapper for glVertexAttrib4fv()
360 Standard_EXPORT Standard_Boolean SetAttribute (const Handle(OpenGl_Context)& theCtx,
362 const OpenGl_Vec4& theValue);
366 //! Specifies the value of the integer uniform variable.
367 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
368 const GLchar* theName,
371 //! Specifies the value of the integer uniform variable.
372 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
376 //! Specifies the value of the integer uniform 2D vector.
377 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
378 const GLchar* theName,
379 const OpenGl_Vec2i& theValue);
381 //! Specifies the value of the integer uniform 2D vector.
382 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
384 const OpenGl_Vec2i& theValue);
386 //! Specifies the value of the integer uniform 3D vector.
387 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
388 const GLchar* theName,
389 const OpenGl_Vec3i& theValue);
391 //! Specifies the value of the integer uniform 3D vector.
392 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
394 const OpenGl_Vec3i& theValue);
396 //! Specifies the value of the integer uniform 4D vector.
397 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
398 const GLchar* theName,
399 const OpenGl_Vec4i& theValue);
401 //! Specifies the value of the integer uniform 4D vector.
402 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
404 const OpenGl_Vec4i& theValue);
408 //! Specifies the value of the unsigned integer uniform 2D vector (uvec2).
409 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
410 const GLchar* theName,
411 const OpenGl_Vec2u& theValue);
413 //! Specifies the value of the unsigned integer uniform 2D vector (uvec2).
414 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
416 const OpenGl_Vec2u& theValue);
418 //! Specifies the value of the uvec2 uniform array
419 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
420 const GLchar* theName,
421 const GLsizei theCount,
422 const OpenGl_Vec2u* theValue);
424 //! Specifies the value of the uvec2 uniform array
425 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
427 const GLsizei theCount,
428 const OpenGl_Vec2u* theValue);
432 //! Specifies the value of the float uniform variable.
433 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
434 const GLchar* theName,
437 //! Specifies the value of the float uniform variable.
438 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
442 //! Specifies the value of the float uniform 2D vector.
443 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
444 const GLchar* theName,
445 const OpenGl_Vec2& theValue);
447 //! Specifies the value of the float uniform 2D vector.
448 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
450 const OpenGl_Vec2& theValue);
452 //! Specifies the value of the float uniform 3D vector.
453 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
454 const GLchar* theName,
455 const OpenGl_Vec3& theValue);
457 //! Specifies the value of the float uniform 3D vector.
458 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
460 const OpenGl_Vec3& theValue);
462 //! Specifies the value of the float uniform 4D vector.
463 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
464 const GLchar* theName,
465 const OpenGl_Vec4& theValue);
467 //! Specifies the value of the float uniform 4D vector.
468 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
470 const OpenGl_Vec4& theValue);
474 //! Specifies the value of the float uniform 4x4 matrix.
475 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
476 const GLchar* theName,
477 const OpenGl_Mat4& theValue,
478 GLboolean theTranspose = GL_FALSE);
480 //! Specifies the value of the float uniform 4x4 matrix.
481 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
483 const OpenGl_Mat4& theValue,
484 GLboolean theTranspose = GL_FALSE);
486 //! Specifies the value of the float uniform 4x4 matrix.
487 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
488 const GLchar* theName,
489 const OpenGl_Matrix& theValue,
490 GLboolean theTranspose = GL_FALSE);
492 //! Specifies the value of the float uniform 4x4 matrix.
493 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
495 const OpenGl_Matrix& theValue,
496 GLboolean theTranspose = GL_FALSE);
498 //! Specifies the value of the float uniform array
499 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
502 const Standard_ShortReal* theData);
504 //! Specifies the value of the float2 uniform array
505 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
508 const OpenGl_Vec2* theData);
510 //! Specifies the value of the float3 uniform array
511 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
514 const OpenGl_Vec3* theData);
516 //! Specifies the value of the float4 uniform array
517 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
520 const OpenGl_Vec4* theData);
522 //! Specifies the value of the integer uniform array
523 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
526 const Standard_Integer* theData);
528 //! Specifies the value of the int2 uniform array
529 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
532 const OpenGl_Vec2i* theData);
534 //! Specifies the value of the int3 uniform array
535 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
538 const OpenGl_Vec3i* theData);
540 //! Specifies the value of the int4 uniform array
541 Standard_EXPORT Standard_Boolean SetUniform (const Handle(OpenGl_Context)& theCtx,
544 const OpenGl_Vec4i* theData);
548 //! Specifies the value of the sampler uniform variable.
549 Standard_EXPORT Standard_Boolean SetSampler (const Handle(OpenGl_Context)& theCtx,
550 const GLchar* theName,
551 const Graphic3d_TextureUnit theTextureUnit);
553 //! Specifies the value of the sampler uniform variable.
554 Standard_EXPORT Standard_Boolean SetSampler (const Handle(OpenGl_Context)& theCtx,
556 const Graphic3d_TextureUnit theTextureUnit);
560 //! Increments counter of users.
561 //! Used by OpenGl_ShaderManager.
562 //! @return true when resource has been restored from delayed release queue
565 return ++myShareCount == 1;
568 //! Decrements counter of users.
569 //! Used by OpenGl_ShaderManager.
570 //! @return true when there are no more users of this program has been left
573 return --myShareCount == 0;
578 GLuint myProgramID; //!< Handle of OpenGL shader program
579 OpenGl_ShaderList myShaderObjects; //!< List of attached shader objects
580 Handle(Graphic3d_ShaderProgram) myProxy; //!< Proxy shader program (from application layer)
581 Standard_Integer myShareCount; //!< program users count, initialized with 1 (already shared by one user)
582 Standard_Integer myNbLightsMax; //!< length of array of light sources (THE_MAX_LIGHTS)
583 Standard_Integer myNbClipPlanesMax; //!< length of array of clipping planes (THE_MAX_CLIP_PLANES)
584 Standard_Integer myNbFragOutputs; //!< length of array of Fragment Shader outputs (THE_NB_FRAG_OUTPUTS)
585 Standard_Boolean myHasAlphaTest; //!< flag indicating that Fragment Shader should perform alpha-test
586 Standard_Boolean myHasWeightOitOutput; //!< flag indicating that Fragment Shader includes weighted OIT coverage
587 Standard_Boolean myHasTessShader; //!< flag indicating that program defines tessellation stage
591 Standard_Size myCurrentState[OpenGl_UniformStateType_NB]; //!< defines last modification for variables of each state type
593 //! Stores locations of OCCT state uniform variables.
594 GLint myStateLocations[OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES];
599 struct OpenGl_VariableSetter : public OpenGl_SetterInterface
601 virtual void Set (const Handle(OpenGl_Context)& theCtx,
602 const Handle(Graphic3d_ShaderVariable)& theVariable,
603 OpenGl_ShaderProgram* theProgram)
605 theProgram->SetUniform (theCtx,
606 theVariable->Name().ToCString(),
607 theVariable->Value()->As<T>());
611 namespace OpenGl_HashMapInitializer
613 template<class K, class V>
616 NCollection_DataMap<K, V> myDictionary;
618 MapListOfType (K theKey, V theValue)
620 myDictionary.Bind (theKey, theValue);
623 MapListOfType& operator() (K theKey, V theValue)
625 myDictionary.Bind (theKey, theValue);
629 operator const NCollection_DataMap<K, V>& () const
635 template<class K, class V>
636 MapListOfType<K, V> CreateListOf (K theKey, V theValue)
638 return MapListOfType<K, V> (theKey, theValue);
642 #endif // _OpenGl_ShaderProgram_Header