1 // Created by: Kirill GAVRILOV
2 // Copyright (c) 2014 OPEN CASCADE SAS
4 // This file is part of Open CASCADE Technology software library.
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
15 // =======================================================================
16 // function : bindAttribute
18 // =======================================================================
19 inline void OpenGl_VertexBuffer::bindAttribute (const Handle(OpenGl_Context)& theCtx,
20 const Graphic3d_TypeOfAttribute theAttribute,
21 const GLint theNbComp,
22 const GLenum theDataType,
23 const GLsizei theStride,
24 const GLvoid* theOffset)
26 if (theCtx->ActiveProgram().IsNull())
28 #if !defined(GL_ES_VERSION_2_0)
29 bindFixed (theCtx, theAttribute, theNbComp, theDataType, theStride, theOffset);
34 theCtx->core20fwd->glEnableVertexAttribArray (theAttribute);
35 theCtx->core20fwd->glVertexAttribPointer (theAttribute, theNbComp, theDataType, theDataType != GL_FLOAT, theStride, theOffset);
38 #if !defined(GL_ES_VERSION_2_0)
39 // =======================================================================
40 // function : bindFixed
42 // =======================================================================
43 inline void OpenGl_VertexBuffer::bindFixed (const Handle(OpenGl_Context)& theCtx,
44 const Graphic3d_TypeOfAttribute theMode,
45 const GLint theNbComp,
46 const GLenum theDataType,
47 const GLsizei theStride,
48 const GLvoid* theOffset)
52 case Graphic3d_TOA_POS:
54 theCtx->core11->glEnableClientState (GL_VERTEX_ARRAY);
55 theCtx->core11->glVertexPointer (theNbComp, theDataType, theStride, theOffset);
58 case Graphic3d_TOA_NORM:
60 theCtx->core11->glEnableClientState (GL_NORMAL_ARRAY);
61 theCtx->core11->glNormalPointer (theDataType, theStride, theOffset);
64 case Graphic3d_TOA_UV:
66 theCtx->core11->glEnableClientState (GL_TEXTURE_COORD_ARRAY);
67 theCtx->core11->glTexCoordPointer (theNbComp, theDataType, theStride, theOffset);
70 case Graphic3d_TOA_COLOR:
72 theCtx->core11->glEnableClientState (GL_COLOR_ARRAY);
73 theCtx->core11->glColorPointer (theNbComp, theDataType, theStride, theOffset);
74 theCtx->core11->glColorMaterial (GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
75 theCtx->core11fwd->glEnable (GL_COLOR_MATERIAL);
78 case Graphic3d_TOA_CUSTOM:
86 // =======================================================================
87 // function : unbindAttribute
89 // =======================================================================
90 inline void OpenGl_VertexBuffer::unbindAttribute (const Handle(OpenGl_Context)& theCtx,
91 const Graphic3d_TypeOfAttribute theAttribute)
93 if (theCtx->ActiveProgram().IsNull())
95 #if !defined(GL_ES_VERSION_2_0)
96 unbindFixed (theCtx, theAttribute);
101 theCtx->core20fwd->glDisableVertexAttribArray (theAttribute);
104 #if !defined(GL_ES_VERSION_2_0)
105 // =======================================================================
106 // function : unbindAttribute
108 // =======================================================================
109 inline void OpenGl_VertexBuffer::unbindFixed (const Handle(OpenGl_Context)& theCtx,
110 const Graphic3d_TypeOfAttribute theMode)
114 case Graphic3d_TOA_POS: theCtx->core11->glDisableClientState (GL_VERTEX_ARRAY); return;
115 case Graphic3d_TOA_NORM: theCtx->core11->glDisableClientState (GL_NORMAL_ARRAY); return;
116 case Graphic3d_TOA_UV: theCtx->core11->glDisableClientState (GL_TEXTURE_COORD_ARRAY); return;
117 case Graphic3d_TOA_COLOR:
119 theCtx->core11->glDisableClientState (GL_COLOR_ARRAY);
120 theCtx->core11fwd->glDisable (GL_COLOR_MATERIAL);
123 case Graphic3d_TOA_CUSTOM: