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 if (theCtx->core11 != NULL)
31 bindFixed (theCtx, theAttribute, theNbComp, theDataType, theStride, theOffset);
37 theCtx->core20fwd->glEnableVertexAttribArray (theAttribute);
38 theCtx->core20fwd->glVertexAttribPointer (theAttribute, theNbComp, theDataType, theDataType != GL_FLOAT, theStride, theOffset);
41 #if !defined(GL_ES_VERSION_2_0)
42 // =======================================================================
43 // function : bindFixed
45 // =======================================================================
46 inline void OpenGl_VertexBuffer::bindFixed (const Handle(OpenGl_Context)& theCtx,
47 const Graphic3d_TypeOfAttribute theMode,
48 const GLint theNbComp,
49 const GLenum theDataType,
50 const GLsizei theStride,
51 const GLvoid* theOffset)
55 case Graphic3d_TOA_POS:
57 theCtx->core11->glEnableClientState (GL_VERTEX_ARRAY);
58 theCtx->core11->glVertexPointer (theNbComp, theDataType, theStride, theOffset);
61 case Graphic3d_TOA_NORM:
63 theCtx->core11->glEnableClientState (GL_NORMAL_ARRAY);
64 theCtx->core11->glNormalPointer (theDataType, theStride, theOffset);
67 case Graphic3d_TOA_UV:
69 theCtx->core11->glEnableClientState (GL_TEXTURE_COORD_ARRAY);
70 theCtx->core11->glTexCoordPointer (theNbComp, theDataType, theStride, theOffset);
73 case Graphic3d_TOA_COLOR:
75 theCtx->core11->glEnableClientState (GL_COLOR_ARRAY);
76 theCtx->core11->glColorPointer (theNbComp, theDataType, theStride, theOffset);
77 theCtx->core11->glColorMaterial (GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
78 theCtx->core11fwd->glEnable (GL_COLOR_MATERIAL);
81 case Graphic3d_TOA_CUSTOM:
89 // =======================================================================
90 // function : unbindAttribute
92 // =======================================================================
93 inline void OpenGl_VertexBuffer::unbindAttribute (const Handle(OpenGl_Context)& theCtx,
94 const Graphic3d_TypeOfAttribute theAttribute)
96 if (theCtx->ActiveProgram().IsNull())
98 #if !defined(GL_ES_VERSION_2_0)
99 if (theCtx->core11 != NULL)
101 unbindFixed (theCtx, theAttribute);
107 theCtx->core20fwd->glDisableVertexAttribArray (theAttribute);
110 #if !defined(GL_ES_VERSION_2_0)
111 // =======================================================================
112 // function : unbindFixed
114 // =======================================================================
115 inline void OpenGl_VertexBuffer::unbindFixed (const Handle(OpenGl_Context)& theCtx,
116 const Graphic3d_TypeOfAttribute theMode)
120 case Graphic3d_TOA_POS: theCtx->core11->glDisableClientState (GL_VERTEX_ARRAY); return;
121 case Graphic3d_TOA_NORM: theCtx->core11->glDisableClientState (GL_NORMAL_ARRAY); return;
122 case Graphic3d_TOA_UV: theCtx->core11->glDisableClientState (GL_TEXTURE_COORD_ARRAY); return;
123 case Graphic3d_TOA_COLOR: unbindFixedColor (theCtx); return;
124 case Graphic3d_TOA_CUSTOM: