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/***********************************************************************
FONCTION :
----------
Classe Graphic3d_GraphicDevice.cxx :
HISTORIQUE DES MODIFICATIONS :
--------------------------------
Janvier 1994 : CAL ; Creation.
04-02-97 : FMN ; Suppression appel call_tox_set_colormap_mapping()
10-09-00 : GG ; NEW OpenGl driver loading specification
when nothing is defined the driver libTKOpenGl[.so|.sl]
is loading from the current PATH
************************************************************************/
#define RIC120302 //GG Add new constructor to pass Display structure
// directly instead string connexion.
#define XDESTROY
#ifndef WNT
#include <stdio.h>
#include <sys/utsname.h>
/*----------------------------------------------------------------------*/
/*
* Includes
*/
#include <Graphic3d_GraphicDevice.ixx>
#include <Graphic3d_GraphicDriver.hxx>
#include <OSD_Function.hxx>
#include <TCollection_AsciiString.hxx>
#include <Xw_Cextern.hxx>
//-Static data definitions
static char LocalMessag[80] ;
//-Aliases
//-Global data definitions
//-Constructor
Graphic3d_GraphicDevice::Graphic3d_GraphicDevice (const Standard_CString Connexion, const Xw_TypeOfMapping /*Mapping*/, const Standard_Integer Ncolors, const Standard_Boolean UseDefault ):
Xw_GraphicDevice () {
Standard_CString connexion = (Connexion) ? Connexion : Standard_CString("") ;
Standard_Boolean status ;
MyExtendedDisplay = Xw_open_display((Standard_PCharacter)connexion) ;
if( !MyExtendedDisplay ) {
sprintf(LocalMessag,"Cannot connect to server '%s'",connexion) ;
Aspect_GraphicDeviceDefinitionError::Raise (LocalMessag);
}
SetGraphicDriver ();
status = MyGraphicDriver->Begin (connexion);
if( !status ) {
sprintf(LocalMessag,"Cannot connect to graphic library from '%s'",
connexion) ;
Aspect_GraphicDeviceDefinitionError::Raise (LocalMessag);
}
this->InitMaps (connexion,Xw_TOM_READONLY,Ncolors,UseDefault);
}
//RIC120302
Graphic3d_GraphicDevice::Graphic3d_GraphicDevice (const Aspect_Display pdisplay)
: Xw_GraphicDevice ()
{
Standard_Boolean status ;
if( !pdisplay )
Aspect_GraphicDeviceDefinitionError::Raise ("Bad display pointer");
MyExtendedDisplay = Xw_set_display(pdisplay) ;
Standard_CString connexion = Xw_get_display_name(MyExtendedDisplay);
if( !MyExtendedDisplay ) {
if( connexion )
sprintf(LocalMessag,"Cannot connect to server '%s'",connexion) ;
else
sprintf(LocalMessag,"Cannot connect to an UNKNOWN server") ;
Aspect_GraphicDeviceDefinitionError::Raise (LocalMessag);
}
SetGraphicDriver ();
status = MyGraphicDriver->Begin (pdisplay);
if( !status ) {
sprintf(LocalMessag,"Cannot connect to graphic library from '%s'",
connexion) ;
Aspect_GraphicDeviceDefinitionError::Raise (LocalMessag);
}
this->InitMaps (connexion,Xw_TOM_READONLY,0,Standard_True);
}
//RIC120302
// Destructor
void Graphic3d_GraphicDevice::Destroy () {
#ifdef DESTROY
cout << "Graphic3d_GraphicDevice::Destroy ()\n";
#endif
MyGraphicDriver->End ();
}
// Methods in order
Handle(Aspect_GraphicDriver) Graphic3d_GraphicDevice::GraphicDriver () const {
return MyGraphicDriver;
}
#if !defined(OCE_BUILD_STATIC_LIB) && !defined(HAVE_NO_DLL)
void Graphic3d_GraphicDevice::SetGraphicDriver () {
Standard_CString TheShr;
if (! ShrIsDefined (TheShr)) {
Aspect_GraphicDeviceDefinitionError::Raise
("Bad environment, Graphic Library not defined");
}
OSD_SharedLibrary TheSharedLibrary (TheShr);
Standard_Boolean Result = TheSharedLibrary.DlOpen (OSD_RTLD_LAZY);
if (! Result) {
Aspect_GraphicDeviceDefinitionError::Raise
(TheSharedLibrary.DlError ());
}
else {
// Management of traces
char *tracevalue = NULL;
tracevalue = (char *)(getenv ("CSF_GraphicTrace"));
if (tracevalue)
cout << "Information : " << TheShr << " loaded\n" << flush;
OSD_Function new_GLGraphicDriver =
TheSharedLibrary.DlSymb ("MetaGraphicDriverFactory");
if (tracevalue)
cout << "Information : MetaGraphicDriverFactory "
<< (new_GLGraphicDriver ? "found\n" : "not found\n") << flush;
if (! new_GLGraphicDriver) {
Aspect_GraphicDeviceDefinitionError::Raise
(TheSharedLibrary.DlError ());
}
else {
// Sequence :
// new_GLGraphicDriver is OSD_Function :
// typedef int (* OSD_Function)(...);
// that is why good cast in GraphicDriver.
Handle(Graphic3d_GraphicDriver)
(*fp) (Standard_CString) = NULL;
fp = (Handle(Graphic3d_GraphicDriver)
(*) (Standard_CString)) new_GLGraphicDriver;
if (tracevalue) cout << "FP == "<<(void *) fp<<endl;
Standard_CString aSharedName = TheSharedLibrary.Name ();
MyGraphicDriver = (*fp) (aSharedName);
// MyGraphicDriver = (*fp) (TheSharedLibrary.Name ());
// Management of traces
if (tracevalue)
MyGraphicDriver->SetTrace
((Standard_Integer) atoi (tracevalue));
}
}
}
#else
extern "C"
{
Handle(Graphic3d_GraphicDriver) MetaGraphicDriverFactory(const Standard_CString AShrName);
}
void Graphic3d_GraphicDevice::SetGraphicDriver ()
{
MyGraphicDriver = MetaGraphicDriverFactory("");
}
#endif
#define BAD(x) (((x) == NULL) || (strlen((x)) <= 0))
Standard_Boolean Graphic3d_GraphicDevice::ShrIsDefined (Standard_CString& aShr) const {
char *glso;
const char *glshr, *casroot;
casroot = getenv("CASROOT");
glso = getenv("CSF_GraphicShr");
if (! BAD(glso)) {
glshr = getenv("CSF_GraphicShr");
} else if (! BAD(casroot)) {
TCollection_AsciiString buffString(casroot);
struct utsname info;
uname (&info);
buffString = buffString + "/";
buffString = buffString + info.sysname;
#if defined(__hpux) || defined(HPUX)
buffString = buffString + "/lib/libTKOpenGl.sl";
#elif defined(WNT)
buffString = buffString + "/TKOpenGl.dll";
#elif defined(__APPLE__)
buffString = buffString + "/lib/libTKOpenGl.dylib";
#else
buffString = buffString + "/lib/libTKOpenGl.so";
#endif
char* newGlShr = (char *) malloc (buffString.Length() + 1);
memcpy(newGlShr, buffString.ToCString(), buffString.Length() + 1);
glshr = newGlShr;
} else {
#ifdef OCE_DEFAULT_CSF_GraphicShr
glshr = OCE_DEFAULT_CSF_GraphicShr;
#else
aShr = NULL;
printf("You have not defined CSF_GraphicShr or CASROOT, aborting...");
return Standard_False;
#endif
}
aShr = glshr;
return Standard_True;
}
#endif // WNT
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