bool GeoVectorBufferRefProperty::unmapBuffer(DrawEnv *pEnv)
{
bool returnValue = true;
if((getUseVBO() == true) && (getGLId() != 0))
{
Window *pWin = pEnv->getWindow();
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
pWin);
OSGGETGLFUNCBYID( OSGglUnmapBufferARB,
osgGlUnmapBufferARB,
_funcUnmapBuffer,
pWin);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB,
getGLId());
returnValue = osgGlUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
return returnValue;
}
void *GeoVectorBufferRefProperty::mapBuffer(GLenum eAccess, DrawEnv *pEnv)
{
void *returnValue = NULL;
if((getUseVBO() == true) && (getGLId() != 0))
{
Window *pWin = pEnv->getWindow();
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
pWin);
OSGGETGLFUNCBYID( OSGglMapBufferARB,
osgGlMapBufferARB,
_funcMapBuffer,
pWin);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB,
getGLId());
returnValue = osgGlMapBufferARB(GL_ARRAY_BUFFER_ARB, eAccess);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
return returnValue;
}
void GeoIntegralBufferRefProperty::changeFrom(DrawEnv *pEnv,
StateChunk *old,
UInt32 slot)
{
// change from me to me?
// this assumes I haven't changed in the meantime.
if(old == this)
return;
Window *win = pEnv->getWindow();
GeoIntegralProperty *o = dynamic_cast<GeoIntegralProperty*>(old);
if(!win->hasExtension(_extVertexBufferObject))
return;
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
win);
if(getGLId() != 0 && getUseVBO()) // Do we have a VBO?
{
osgGlBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
getGLId());
}
else if(o != NULL && o->getGLId() != 0 && o->getUseVBO())
{
osgGlBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
}
void GeoIntegralBufferRefProperty::activate(DrawEnv *pEnv, UInt32 slot)
{
Window *win = pEnv->getWindow();
if(!win->hasExtension(_extVertexBufferObject))
return;
if(getGLId() != 0 && getUseVBO()) // Do we have a VBO?
{
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
win);
osgGlBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
getGLId());
}
}
void GeoVectorBufferRefProperty::activate(DrawEnv *pEnv, UInt32 slot)
{
#ifndef OSG_EMBEDDED
Window *win = pEnv->getWindow();
bool isGeneric = (slot >= 16); // !!!HACK. needs to be replaced for 2.0
slot &= 15;
bool hasVBO = win->hasExtension(_extVertexBufferObject);
if(hasVBO && isGeneric == true)
{
OSGGETGLFUNCBYID( OSGglVertexAttribPointerARB,
osgGlVertexAttribPointerARB,
_funcglVertexAttribPointerARB,
win);
if(getGLId() != 0 && getUseVBO()) // Do we have a VBO?
{
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
win);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB,
getGLId());
osgGlVertexAttribPointerARB(slot,
getDimension(),
getFormat (),
getNormalize(),
getStride (),
0);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
else
{
osgGlVertexAttribPointerARB(slot,
getDimension(),
getFormat (),
getNormalize(),
getStride (),
getData ());
}
OSGGETGLFUNCBYID( OSGglEnableVertexAttribArrayARB,
osgGlEnableVertexAttribArrayARB,
_funcglEnableVertexAttribArrayARB,
win);
osgGlEnableVertexAttribArrayARB(slot);
}
else
{
const void *pData = NULL;
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
win);
hasVBO &= getUseVBO() && (getGLId() != 0);
if(hasVBO == true) // Do we have a VBO?
{
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB,
getGLId());
}
else
{
pData = getData();
}
switch(slot)
{
case 0:
glVertexPointer(getDimension(),
getFormat (),
getStride (),
pData );
glEnableClientState(GL_VERTEX_ARRAY);
break;
case 2:
glNormalPointer(getFormat(),
getStride(),
pData );
glEnableClientState(GL_NORMAL_ARRAY);
break;
case 3:
glColorPointer(getDimension(),
getFormat (),
getStride (),
pData );
glEnableClientState(GL_COLOR_ARRAY);
break;
case 4:
if (win->hasExtension(_extSecondaryColor))
{
OSGGETGLFUNCBYID( OSGglSecondaryColorPointerEXT,
osgGlSecondaryColorPointerEXT,
_funcglSecondaryColorPointer,
win);
osgGlSecondaryColorPointerEXT(getDimension(),
getFormat (),
getStride (),
pData );
glEnableClientState(GL_SECONDARY_COLOR_ARRAY_EXT);
}
else
{
FWARNING(("GeoVectorProperty::activate: Window "
"has no Secondary Color extension\n"));
}
break;
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
{
OSGGETGLFUNCBYID( OSGglClientActiveTextureARB,
osgGlClientActiveTextureARB,
_funcglClientActiveTextureARB,
win);
osgGlClientActiveTextureARB(GL_TEXTURE0_ARB + slot - 8);
glTexCoordPointer(getDimension(),
getFormat (),
getStride (),
pData );
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
}
break;
default: FWARNING(("GeoVectorProperty::activate: Non-Generic"
" attribute nr. %d unknown!\n", slot));
break;
}
if(hasVBO == true) // Do we have a VBO?
{
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
}
#endif
}
