| 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 | // ======================================================================= |
| 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) |
| 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 | // ======================================================================= |
| 40 | inline 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 | // ======================================================================= |
| 86 | inline 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 | // ======================================================================= |
| 102 | inline 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 | } |