0025213: Visualization, TKOpenGl - do not use deprecated built-ins in GLSL shaders
[occt.git] / src / OpenGl / OpenGl_VertexBuffer.lxx
CommitLineData
7d3e64ef 1// Created by: Kirill GAVRILOV
2// Copyright (c) 2014 OPEN CASCADE SAS
3//
4// This file is part of Open CASCADE Technology software library.
5//
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.
11//
12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
14
15// =======================================================================
16// function : bindAttribute
17// purpose :
18// =======================================================================
19inline 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)
25{
26 if (theCtx->ActiveProgram().IsNull())
27 {
28 bindFixed (theCtx, theAttribute, theNbComp, theDataType, theStride, theOffset);
29 return;
30 }
31
32 theCtx->core20fwd->glEnableVertexAttribArray (theAttribute);
33 theCtx->core20fwd->glVertexAttribPointer (theAttribute, theNbComp, theDataType, GL_FALSE, theStride, theOffset);
34}
35
36// =======================================================================
37// function : bindFixed
38// purpose :
39// =======================================================================
40inline void OpenGl_VertexBuffer::bindFixed (const Handle(OpenGl_Context)& theCtx,
41 const Graphic3d_TypeOfAttribute theMode,
42 const GLint theNbComp,
43 const GLenum theDataType,
44 const GLsizei theStride,
45 const GLvoid* theOffset)
46{
47 switch (theMode)
48 {
49 case Graphic3d_TOA_POS:
50 {
51 theCtx->core11->glEnableClientState (GL_VERTEX_ARRAY);
52 theCtx->core11->glVertexPointer (theNbComp, theDataType, theStride, theOffset);
53 return;
54 }
55 case Graphic3d_TOA_NORM:
56 {
57 theCtx->core11->glEnableClientState (GL_NORMAL_ARRAY);
58 theCtx->core11->glNormalPointer (theDataType, theStride, theOffset);
59 return;
60 }
61 case Graphic3d_TOA_UV:
62 {
63 theCtx->core11->glEnableClientState (GL_TEXTURE_COORD_ARRAY);
64 theCtx->core11->glTexCoordPointer (theNbComp, theDataType, theStride, theOffset);
65 return;
66 }
67 case Graphic3d_TOA_COLOR:
68 {
69 theCtx->core11->glEnableClientState (GL_COLOR_ARRAY);
70 theCtx->core11->glColorPointer (theNbComp, theDataType, theStride, theOffset);
71 theCtx->core11->glColorMaterial (GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
72 theCtx->core11fwd->glEnable (GL_COLOR_MATERIAL);
73 return;
74 }
75 case Graphic3d_TOA_CUSTOM:
76 {
77 return;
78 }
79 }
80}
81
82// =======================================================================
83// function : unbindAttribute
84// purpose :
85// =======================================================================
86inline void OpenGl_VertexBuffer::unbindAttribute (const Handle(OpenGl_Context)& theCtx,
87 const Graphic3d_TypeOfAttribute theAttribute)
88{
89 if (theCtx->ActiveProgram().IsNull())
90 {
91 unbindFixed (theCtx, theAttribute);
92 return;
93 }
94
95 theCtx->core20fwd->glDisableVertexAttribArray (theAttribute);
96}
97
98// =======================================================================
99// function : unbindAttribute
100// purpose :
101// =======================================================================
102inline void OpenGl_VertexBuffer::unbindFixed (const Handle(OpenGl_Context)& theCtx,
103 const Graphic3d_TypeOfAttribute theMode)
104{
105 switch (theMode)
106 {
107 case Graphic3d_TOA_POS: theCtx->core11->glDisableClientState (GL_VERTEX_ARRAY); return;
108 case Graphic3d_TOA_NORM: theCtx->core11->glDisableClientState (GL_NORMAL_ARRAY); return;
109 case Graphic3d_TOA_UV: theCtx->core11->glDisableClientState (GL_TEXTURE_COORD_ARRAY); return;
110 case Graphic3d_TOA_COLOR:
111 {
112 theCtx->core11->glDisableClientState (GL_COLOR_ARRAY);
113 theCtx->core11fwd->glDisable (GL_COLOR_MATERIAL);
114 return;
115 }
116 case Graphic3d_TOA_CUSTOM:
117 {
118 return;
119 }
120 }
121}