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pogl_glut.xs
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pogl_glut.xs
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/* Last saved: Fri 16 Oct 2009 10:11:21 AM */
/* Copyright (c) 1998 Kenneth Albanowski. All rights reserved.
* Copyright (c) 2007 Bob Free. All rights reserved.
* Copyright (c) 2009 Chris Marshall. All rights reserved.
* This program is free software; you can redistribute it and/or
* modify it under the same terms as Perl itself.
*/
/* OpenGL *GLUT bindings */
#define IN_POGL_GLUT_XS
#include <stdio.h>
#include "pgopogl.h"
#ifdef HAVE_GL
#include "gl_util.h"
#endif
#ifdef HAVE_GLX
#include "glx_util.h"
#endif
#ifdef HAVE_GLU
#include "glu_util.h"
#endif
#ifdef IN_POGL_GLUT_XS
#if defined(HAVE_GLUT) || defined(HAVE_FREEGLUT)
#ifndef GLUT_API_VERSION
#define GLUT_API_VERSION 4
#endif
#include "glut_util.h"
#endif
static int _done_glutInit = 0;
#endif /* End IN_POGL_GLUT_XS */
/* This does not seem to be used */
#if 0
static char *SWIZZLE[4] = {"x","y","z","w"}; */
#endif
/* This does not seem to be used */
#if 0
static int
not_here(s)
char *s;
{
croak("%s not implemented on this architecture", s);
return -1;
}
#endif
#ifdef IN_POGL_GLUT_XS
#ifndef __PM__
# define DO_perl_call_sv(handler, flag) perl_call_sv(handler, flag)
# define ENSURE_callback_thread
# define GLUT_PUSH_NEW_SV(sv) XPUSHs(sv_2mortal(newSVsv(sv)))
# define GLUT_PUSH_NEW_IV(i) XPUSHs(sv_2mortal(newSViv(i)))
# define GLUT_PUSH_NEW_U8(c) XPUSHs(sv_2mortal(newSViv((int)c)))
# define GLUT_EXTEND_STACK(sp,n)
# define GLUT_PUSHMARK(sp) PUSHMARK(sp)
#else
/* GLUT on OS/2 PM runs callbacks from a secondary thread. This thread
is not instrumented to run EMX CRTL functions. Basically, no Perl
function may be run from this thread.
We create a ternary thread via CRTL _beginthread() call, and communicate
the requests to this thread via inter-thread communication (ITC). */
# define GLUT_PUSHMARK(sp)
# include "sys/builtin.h"
# include "sys/fmutex.h"
# include "os2pm_X.h"
# define DO_perl_call_sv(handler, flag) \
STMT_START { PUSHs(handler); \
PUTBACK; \
extend_by = 0; \
RUN_perl_call_sv(); \
} STMT_END
# define GLUT_START_PUSHING 7
# define GLUT_PUSHING_IVP 17
# define GLUT_PUSHING_U8 27
# define GLUT_PUSHING_SV 37
# define GLUT_EXTEND_STACK(p,n) \
STMT_START { if (PL_stack_max - p < 2*(n)+4) { \
extend_by = 2*(n)+4; \
RUN_perl_call_sv(); \
} \
SPAGAIN; \
PUSHs((SV*)GLUT_START_PUSHING); \
} STMT_END
# define GLUT_PUSH_NEW_SV(sv) (PUSHs(sv), PUSHs((SV*)GLUT_PUSHING_SV))
# define GLUT_PUSH_NEW_IV(i) (PUSHs((SV*)&i), PUSHs((SV*)GLUT_PUSHING_IVP))
# define GLUT_PUSH_NEW_U8(c) (PUSHs((SV*)(int)c), PUSHs((SV*)GLUT_PUSHING_U8))
_fmutex run_mutex, result_mutex;
static int worker_started;
static int extend_by;
void
RUN_perl_call_sv(void)
{
char *s = NULL;
if (_fmutex_release(&run_mutex))
s = "Error unlocking the callback thread";
/* result_mutex is requested on entry! Block until looper finishes. */
else if (_fmutex_request(&result_mutex, _FMR_IGNINT))
s = "Error requesting the callback thread";
if (s)
write(2, s, strlen(s));
return;
}
/* Main event handler for callbacks */
void
callback_thread_looper(void *dummy)
{
while (1) {
/* It is requested already! Wait until somebody requests a run */
if (_fmutex_request(&run_mutex, _FMR_IGNINT)) {
warn("Error unlocking in the callback thread");
worker_started = 0;
return;
}
if (extend_by) { /* Need to extend the stack */
dSP;
EXTEND(sp, extend_by);
} else {
dSP;
SV* handler = POPs;
STRLEN n_a;
SV **last = sp, **f;
/* The rest is put on stack in a "raw" pointer form */
while (1) {
switch ((IV)*sp) {
case GLUT_START_PUSHING:
goto start_found;
break;
case GLUT_PUSHING_IVP:
case GLUT_PUSHING_SV:
case GLUT_PUSHING_U8:
break;
default:
croak("Panic: broken descriptor/down when ITC for Glut: %#lx", (unsigned long)*sp);
break;
}
sp -= 2;
}
start_found:
f = sp + 1;
sp--;
PUSHMARK(sp);
while (f < last) {
switch ((IV)f[1]) {
case GLUT_PUSHING_IVP:
PUSHs(sv_2mortal(newSViv(*(IV*)*f)));
break;
case GLUT_PUSHING_U8:
PUSHs(sv_2mortal(newSViv((IV)*f)));
break;
case GLUT_PUSHING_SV:
PUSHs(sv_2mortal(newSVsv(*f)));
break;
default:
croak("Panic: broken descriptor/up when ITC for Glut: %#lx", (unsigned long)f[1]);
break;
}
f += 2;
}
PUTBACK;
perl_call_sv(handler, G_DISCARD|G_EVAL);
if (SvTRUE(ERRSV))
fprintf(stderr, "Error in a GLUT Callback: %s", SvPV(ERRSV, n_a));
}
if (_fmutex_release(&result_mutex)) {
warn("Error in a callback thread");
worker_started = 0;
return;
}
}
}
# define ENSURE_callback_thread \
if (!worker_started) \
start_callback_thread()
/* Spin a thread for a callback */
void
start_callback_thread()
{
unsigned long rc;
if (worker_started)
return;
if ( CheckOSError(_fmutex_create(&run_mutex, 0))
|| CheckOSError(_fmutex_create(&result_mutex, 0))
|| CheckOSError(_fmutex_request(&run_mutex, _FMR_IGNINT))
|| CheckOSError(_fmutex_request(&result_mutex, _FMR_IGNINT)))
croak("Error creating semaphores");
worker_started = _beginthread(&callback_thread_looper, NULL,
8*1024*1024, NULL);
if (worker_started == -1) {
worker_started = 0;
croak("Error creating callback thread");
}
}
#endif /* __PM__ */
#endif /* End IN_POGL_GLUT_XS */
/*
#define PackCallbackST(av,first) \
if (SvROK(ST(first)) && (SvTYPE(SvRV(ST(first))) == SVt_PVAV)){ \
int i; \
AV * x = (AV*)SvRV(ST(first)); \
for(i=0;i<=av_len(x);i++) { \
av_push(av, newSVsv(*av_fetch(x, i, 0))); \
} \
} else { \
int i; \
for(i=first;i<items;i++) \
av_push(av, newSVsv(ST(i))); \
}
*/
#ifdef IN_POGL_GLUT_XS
#ifdef GLUT_API_VERSION
static AV * glut_handlers = 0;
/* Attach a handler to a window */
static void set_glut_win_handler(int win, int type, SV * data)
{
SV ** h;
AV * a;
if (!glut_handlers)
glut_handlers = newAV();
h = av_fetch(glut_handlers, win, FALSE);
if (!h) {
a = newAV();
av_store(glut_handlers, win, newRV_inc((SV*)a));
SvREFCNT_dec(a);
} else if (!SvOK(*h) || !SvROK(*h))
croak("Unable to establish glut handler");
else
a = (AV*)SvRV(*h);
av_store(a, type, newRV_inc(data));
SvREFCNT_dec(data);
}
/* Get a window's handler */
static SV * get_glut_win_handler(int win, int type)
{
SV ** h;
if (!glut_handlers)
croak("Unable to locate glut handler");
h = av_fetch(glut_handlers, win, FALSE);
if (!h || !SvOK(*h) || !SvROK(*h))
croak("Unable to locate glut handler");
h = av_fetch((AV*)SvRV(*h), type, FALSE);
if (!h || !SvOK(*h) || !SvROK(*h))
croak("Unable to locate glut handler");
return SvRV(*h);
}
/* Release a window's handlers */
static void destroy_glut_win_handlers(int win)
{
SV ** h;
if (!glut_handlers)
return;
h = av_fetch(glut_handlers, win, FALSE);
if (!h || !SvOK(*h) || !SvROK(*h))
return;
av_store(glut_handlers, win, newSVsv(&PL_sv_undef));
}
/* Release a handler */
static void destroy_glut_win_handler(int win, int type)
{
SV ** h;
AV * a;
if (!glut_handlers)
glut_handlers = newAV();
h = av_fetch(glut_handlers, win, FALSE);
if (!h || !SvOK(*h) || !SvROK(*h))
return;
a = (AV*)SvRV(*h);
av_store(a, type, newSVsv(&PL_sv_undef));
}
/* Begin window callback definition */
#define begin_decl_gwh(type, params, nparam) \
\
static void generic_glut_ ## type ## _handler params \
{ \
int win = glutGetWindow(); \
AV * handler_data = (AV*)get_glut_win_handler(win, HANDLE_GLUT_ ## type);\
SV * handler; \
int i; \
dSP; \
\
handler = *av_fetch(handler_data, 0, 0); \
\
GLUT_PUSHMARK(sp); \
GLUT_EXTEND_STACK(sp,av_len(handler_data)+nparam); \
for (i=1;i<=av_len(handler_data);i++) \
GLUT_PUSH_NEW_SV(*av_fetch(handler_data, i, 0));
/* End window callback definition */
#define end_decl_gwh() \
PUTBACK; \
DO_perl_call_sv(handler, G_DISCARD); \
}
/* Activate a window callback handler */
#define decl_gwh_xs(type) \
{ \
int win = glutGetWindow(); \
\
if (!handler || !SvOK(handler)) { \
destroy_glut_win_handler(win, HANDLE_GLUT_ ## type);\
glut ## type ## Func(NULL); \
} else { \
AV * handler_data = newAV(); \
\
PackCallbackST(handler_data, 0); \
\
set_glut_win_handler(win, HANDLE_GLUT_ ## type, (SV*)handler_data);\
\
glut ## type ## Func(generic_glut_ ## type ## _handler);\
} \
ENSURE_callback_thread;}
/* Activate a window callback handler; die on failure */
#define decl_gwh_xs_nullfail(type, fail) \
{ \
int win = glutGetWindow(); \
\
if (!handler || !SvOK(handler)) { \
croak fail; \
} else { \
AV * handler_data = newAV(); \
\
PackCallbackST(handler_data, 0); \
\
set_glut_win_handler(win, HANDLE_GLUT_ ## type, (SV*)handler_data);\
\
glut ## type ## Func(generic_glut_ ## type ## _handler);\
} \
ENSURE_callback_thread;}
/* Activate a global state callback handler */
#define decl_ggh_xs(type) \
{ \
if (glut_ ## type ## _handler_data) \
SvREFCNT_dec(glut_ ## type ## _handler_data); \
\
if (!handler || !SvOK(handler)) { \
glut_ ## type ## _handler_data = 0; \
glut ## type ## Func(NULL); \
} else { \
AV * handler_data = newAV(); \
\
PackCallbackST(handler_data, 0); \
\
glut_ ## type ## _handler_data = handler_data; \
\
glut ## type ## Func(generic_glut_ ## type ## _handler);\
} \
ENSURE_callback_thread;}
/* Begin a global state callback definition */
#define begin_decl_ggh(type, params, nparam) \
\
static AV * glut_ ## type ## _handler_data = 0; \
\
static void generic_glut_ ## type ## _handler params \
{ \
AV * handler_data = glut_ ## type ## _handler_data; \
SV * handler; \
int i; \
dSP; \
\
handler = *av_fetch(handler_data, 0, 0); \
\
GLUT_PUSHMARK(sp); \
GLUT_EXTEND_STACK(sp,av_len(handler_data)+nparam); \
for (i=1;i<=av_len(handler_data);i++) \
GLUT_PUSH_NEW_SV(*av_fetch(handler_data, i, 0));
/* End a global state callback definition */
#define end_decl_ggh() \
PUTBACK; \
DO_perl_call_sv(handler, G_DISCARD); \
}
/* Define callbacks */
enum {
HANDLE_GLUT_Display,
HANDLE_GLUT_OverlayDisplay,
HANDLE_GLUT_Reshape,
HANDLE_GLUT_Keyboard,
HANDLE_GLUT_KeyboardUp,
HANDLE_GLUT_Mouse,
HANDLE_GLUT_MouseWheel, /* Open/FreeGLUT -chm */
HANDLE_GLUT_Motion,
HANDLE_GLUT_PassiveMotion,
HANDLE_GLUT_Entry,
HANDLE_GLUT_Visibility,
HANDLE_GLUT_WindowStatus,
HANDLE_GLUT_Special,
HANDLE_GLUT_SpecialUp,
HANDLE_GLUT_Joystick, /* Open/FreeGLUT -chm */
HANDLE_GLUT_SpaceballMotion,
HANDLE_GLUT_SpaceballRotate,
HANDLE_GLUT_SpaceballButton,
HANDLE_GLUT_ButtonBox,
HANDLE_GLUT_Dials,
HANDLE_GLUT_TabletMotion,
HANDLE_GLUT_TabletButton,
HANDLE_GLUT_MenuDestroy, /* Open/FreeGLUT -chm */
HANDLE_GLUT_Close, /* Open/FreeGLUT -chm */
HANDLE_GLUT_WMClose, /* AGL GLUT -chm */
};
/* Callback for glutDisplayFunc */
begin_decl_gwh(Display, (void), 0)
end_decl_gwh()
/* Callback for glutOverlayDisplayFunc */
begin_decl_gwh(OverlayDisplay, (void), 0)
end_decl_gwh()
/* Callback for glutReshapeFunc */
begin_decl_gwh(Reshape, (int width, int height), 2)
GLUT_PUSH_NEW_IV(width);
GLUT_PUSH_NEW_IV(height);
end_decl_gwh()
/* Callback for glutKeyboardFunc */
begin_decl_gwh(Keyboard, (unsigned char key, int width, int height), 3)
GLUT_PUSH_NEW_U8(key);
GLUT_PUSH_NEW_IV(width);
GLUT_PUSH_NEW_IV(height);
end_decl_gwh()
/* Callback for glutKeyboardUpFunc */
begin_decl_gwh(KeyboardUp, (unsigned char key, int width, int height), 3)
GLUT_PUSH_NEW_U8(key);
GLUT_PUSH_NEW_IV(width);
GLUT_PUSH_NEW_IV(height);
end_decl_gwh()
/* Callback for glutMouseFunc */
begin_decl_gwh(Mouse, (int button, int state, int x, int y), 4)
GLUT_PUSH_NEW_IV(button);
GLUT_PUSH_NEW_IV(state);
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_gwh()
/* Callback for glutMouseWheelFunc */ /* Open/FreeGLUT -chm */
begin_decl_gwh(MouseWheel, (int wheel, int direction, int x, int y), 4)
GLUT_PUSH_NEW_IV(wheel);
GLUT_PUSH_NEW_IV(direction);
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_gwh()
/* Callback for glutPassiveMotionFunc */
begin_decl_gwh(PassiveMotion, (int x, int y), 2)
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_gwh()
/* Callback for glutMotionFunc */
begin_decl_gwh(Motion, (int x, int y), 2)
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_gwh()
/* Callback for glutVisibilityFunc */
begin_decl_gwh(Visibility, (int state), 1)
GLUT_PUSH_NEW_IV(state);
end_decl_gwh()
/* Callback for glutWindowStatusFunc */
begin_decl_gwh(WindowStatus, (int state), 1)
GLUT_PUSH_NEW_IV(state);
end_decl_gwh()
/* Callback for glutEntryFunc */
begin_decl_gwh(Entry, (int state), 1)
GLUT_PUSH_NEW_IV(state);
end_decl_gwh()
/* Callback for glutSpecialFunc */
begin_decl_gwh(Special, (int key, int width, int height), 3)
GLUT_PUSH_NEW_IV(key);
GLUT_PUSH_NEW_IV(width);
GLUT_PUSH_NEW_IV(height);
end_decl_gwh()
/* Callback for glutSpecialUpFunc */
begin_decl_gwh(SpecialUp, (int key, int width, int height), 3)
GLUT_PUSH_NEW_IV(key);
GLUT_PUSH_NEW_IV(width);
GLUT_PUSH_NEW_IV(height);
end_decl_gwh()
/* Callback for glutJoystickFunc */ /* Open/FreeGLUT -chm */
begin_decl_gwh(Joystick, (unsigned int buttons, int xaxis, int yaxis, int zaxis), 4)
GLUT_PUSH_NEW_IV(buttons);
GLUT_PUSH_NEW_IV(xaxis);
GLUT_PUSH_NEW_IV(yaxis);
GLUT_PUSH_NEW_IV(zaxis);
end_decl_gwh()
/* Callback for glutSpaceballMotionFunc */
begin_decl_gwh(SpaceballMotion, (int x, int y, int z), 3)
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
GLUT_PUSH_NEW_IV(z);
end_decl_gwh()
/* Callback for glutSpaceballRotateFunc */
begin_decl_gwh(SpaceballRotate, (int x, int y, int z), 3)
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
GLUT_PUSH_NEW_IV(z);
end_decl_gwh()
/* Callback for glutSpaceballButtonFunc */
begin_decl_gwh(SpaceballButton, (int button, int state), 2)
GLUT_PUSH_NEW_IV(button);
GLUT_PUSH_NEW_IV(state);
end_decl_gwh()
/* Callback for glutButtonBoxFunc */
begin_decl_gwh(ButtonBox, (int button, int state), 2)
GLUT_PUSH_NEW_IV(button);
GLUT_PUSH_NEW_IV(state);
end_decl_gwh()
/* Callback for glutDialsFunc */
begin_decl_gwh(Dials, (int dial, int value), 2)
GLUT_PUSH_NEW_IV(dial);
GLUT_PUSH_NEW_IV(value);
end_decl_gwh()
/* Callback for glutTabletMotionFunc */
begin_decl_gwh(TabletMotion, (int x, int y), 2)
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_gwh()
/* Callback for glutTabletButtonFunc */
begin_decl_gwh(TabletButton, (int button, int state, int x, int y), 4)
GLUT_PUSH_NEW_IV(button);
GLUT_PUSH_NEW_IV(state);
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_gwh()
/* Callback for glutIdleFunc */
begin_decl_ggh(Idle, (void), 0)
end_decl_ggh()
/* Callback for glutMenuStatusFunc */
begin_decl_ggh(MenuStatus, (int status, int x, int y), 3)
GLUT_PUSH_NEW_IV(status);
GLUT_PUSH_NEW_IV(x);
GLUT_PUSH_NEW_IV(y);
end_decl_ggh()
/* Callback for glutMenuStateFunc */
begin_decl_ggh(MenuState, (int status), 1)
GLUT_PUSH_NEW_IV(status);
end_decl_ggh()
/* Callback for glutMenuDestroyFunc */ /* Open/FreeGLUT -chm */
begin_decl_gwh(MenuDestroy, (void), 0)
end_decl_gwh()
/* Callback for glutCloseFunc */
#ifdef HAVE_AGL_GLUT
static void generic_glut_WMClose_handler(void)
#else
static void generic_glut_Close_handler(void)
#endif
{
int win = glutGetWindow();
AV * handler_data = (AV*)get_glut_win_handler(win, HANDLE_GLUT_Close);
SV * handler = *av_fetch(handler_data, 0, 0);
dSP;
GLUT_PUSHMARK(sp);
GLUT_EXTEND_STACK(sp,1);
GLUT_PUSH_NEW_IV(win);
PUTBACK;
DO_perl_call_sv(handler, G_DISCARD);
}
/* Callback for glutTimerFunc */
static void generic_glut_timer_handler(int value)
{
AV * handler_data = (AV*)value;
SV * handler;
int i;
dSP;
handler = *av_fetch(handler_data, 0, 0);
GLUT_PUSHMARK(sp);
GLUT_EXTEND_STACK(sp,av_len(handler_data));
for (i=1;i<=av_len(handler_data);i++)
GLUT_PUSH_NEW_SV(*av_fetch(handler_data, i, 0));
PUTBACK;
DO_perl_call_sv(handler, G_DISCARD);
SvREFCNT_dec(handler_data);
}
static AV * glut_menu_handlers = 0;
/* Callback for glutMenuFunc */
static void generic_glut_menu_handler(int value)
{
AV * handler_data;
SV * handler;
SV ** h;
int i;
dSP;
h = av_fetch(glut_menu_handlers, glutGetMenu(), FALSE);
if (!h || !SvOK(*h) || !SvROK(*h))
croak("Unable to locate menu handler");
handler_data = (AV*)SvRV(*h);
handler = *av_fetch(handler_data, 0, 0);
GLUT_PUSHMARK(sp);
GLUT_EXTEND_STACK(sp,av_len(handler_data) + 1);
for (i=1;i<=av_len(handler_data);i++)
GLUT_PUSH_NEW_SV(*av_fetch(handler_data, i, 0));
GLUT_PUSH_NEW_IV(value);
PUTBACK;
DO_perl_call_sv(handler, G_DISCARD);
}
#endif /* def GLUT_API_VERSION */
#endif /* End IN_POGL_GLUT_XS */
#if 0
typedef void * ptr;
#endif /* Does not seem to be used. Uncomment if breaks. chm 29-May-2009 */
#if 0
/* Get a Perl parameter, cast to C type */
#define SvItems(type,offset,count,dst) \
{ \
GLuint i; \
switch (type) \
{ \
case GL_UNSIGNED_BYTE: \
case GL_BITMAP: \
for (i=0;i<(count);i++) \
{ \
((GLubyte*)(dst))[i] = (GLubyte)SvIV(ST(i+(offset))); \
} \
break; \
case GL_BYTE: \
for (i=0;i<(count);i++) \
{ \
((GLbyte*)(dst))[i] = (GLbyte)SvIV(ST(i+(offset))); \
} \
break; \
case GL_UNSIGNED_SHORT: \
for (i=0;i<(count);i++) \
{ \
((GLushort*)(dst))[i] = (GLushort)SvIV(ST(i+(offset))); \
} \
break; \
case GL_SHORT: \
for (i=0;i<(count);i++) \
{ \
((GLshort*)(dst))[i] = (GLshort)SvIV(ST(i+(offset))); \
} \
break; \
case GL_UNSIGNED_INT: \
for (i=0;i<(count);i++) \
{ \
((GLuint*)(dst))[i] = (GLuint)SvIV(ST(i+(offset))); \
} \
break; \
case GL_INT: \
for (i=0;i<(count);i++) \
{ \
((GLint*)(dst))[i] = (GLint)SvIV(ST(i+(offset))); \
} \
break; \
case GL_FLOAT: \
for (i=0;i<(count);i++) \
{ \
((GLfloat*)(dst))[i] = (GLfloat)SvNV(ST(i+(offset))); \
} \
break; \
case GL_DOUBLE: \
for (i=0;i<(count);i++) \
{ \
((GLdouble*)(dst))[i] = (GLdouble)SvNV(ST(i+(offset))); \
} \
break; \
default: \
croak("unknown type"); \
} \
}
#endif /* Moved SvItems to gl_util.h */
MODULE = OpenGL::GLUT PACKAGE = OpenGL
#ifdef IN_POGL_GLUT_XS
#// Test for done with glutInit
int
done_glutInit()
CODE:
RETVAL = _done_glutInit;
OUTPUT:
RETVAL
#endif /* End IN_POGL_GLUT_XS */
##################### GLU #########################
############################## GLUT #########################
#ifdef IN_POGL_GLUT_XS
#ifdef GLUT_API_VERSION
# GLUT
#//# glutInit();
void
glutInit()
CODE:
{
int argc;
char ** argv;
AV * ARGV;
SV * ARGV0;
SV * sv;
int i;
if (_done_glutInit)
croak("illegal glutInit() reinitialization attempt");
argv = 0;
ARGV = perl_get_av("ARGV", FALSE);
ARGV0 = perl_get_sv("0", FALSE);
argc = av_len(ARGV)+2;
if (argc) {
argv = malloc(sizeof(char*)*argc);
argv[0] = SvPV(ARGV0, PL_na);
for(i=0;i<=av_len(ARGV);i++)
argv[i+1] = SvPV(*av_fetch(ARGV, i, 0), PL_na);
}
i = argc;
glutInit(&argc, argv);
_done_glutInit = 1;
while(argc<i--)
sv = av_shift(ARGV);
if (argv)
free(argv);
}
#//# glutInitWindowSize($width, $height);
void
glutInitWindowSize(width, height)
int width
int height
#//# glutInitWindowPosition($x, $y);
void
glutInitWindowPosition(x, y)
int x
int y
#//# glutInitDisplayMode($mode);
void
glutInitDisplayMode(mode)
int mode
#//# glutInitDisplayString($string);
void
glutInitDisplayString(string)
char * string
#//# glutMainLoop();
void
glutMainLoop()
#//# glutCreateWindow($name);
int
glutCreateWindow(name)
char * name
CODE:
RETVAL = glutCreateWindow(name);
destroy_glut_win_handlers(RETVAL);
OUTPUT:
RETVAL
#//# glutCreateSubWindow($win, $x, $y, $width, $height);
int
glutCreateSubWindow(win, x, y, width, height)
int win
int x
int y
int width
int height
CODE:
RETVAL = glutCreateSubWindow(win, x, y, width, height);
destroy_glut_win_handlers(RETVAL);
OUTPUT:
RETVAL
#//# glutSetWindow($win);
void
glutSetWindow(win)
int win
#//# glutGetWindow();
int
glutGetWindow()
#//# glutDestroyWindow($win);
void
glutDestroyWindow(win)
int win
CODE:
glutDestroyWindow(win);
destroy_glut_win_handlers(win);
#//# glutPostRedisplay();
void
glutPostRedisplay()
#//# glutSwapBuffers();
void
glutSwapBuffers()
#//# glutPositionWindow($x, $y);
void
glutPositionWindow(x, y)
int x
int y
#//# glutReshapeWindow($width, $height);
void
glutReshapeWindow(width, height)
int width
int height
#if GLUT_API_VERSION >= 3
#//# glutFullScreen();
void
glutFullScreen()
#endif
#//# glutPopWindow();
void
glutPopWindow()
#//# glutPushWindow();
void
glutPushWindow()
#//# glutShowWindow();
void
glutShowWindow()
#//# glutHideWindow();
void
glutHideWindow()
#//# glutIconifyWindow();
void
glutIconifyWindow()
#//# glutSetWindowTitle($title);
void
glutSetWindowTitle(title)
char * title
#//# glutSetIconTitle($title);
void
glutSetIconTitle(title)
char * title
#if GLUT_API_VERSION >= 3
#//# glutSetCursor(cursor);
void
glutSetCursor(cursor)
int cursor
#endif
# Overlays
#if GLUT_API_VERSION >= 3
#//# glutEstablishOverlay();
void
glutEstablishOverlay()
#//# glutUseLayer(layer);
void
glutUseLayer(layer)
GLenum layer
#//# glutRemoveOverlay();
void
glutRemoveOverlay()
#//# glutPostOverlayRedisplay();