Hello Chris,
I have modified the simple.c from the gtkglext examples. Just replace in
gtkglext-1.2.0/examples the original simple.c with the attached version.
-Andreas
-----Ursprüngliche Nachricht-----
Von: Chris Wilson [mailto:ch...@chris-wilson.co.uk]
Gesendet: Dienstag, 14. Juni 2011 12:50
An: Lampersperger Andreas; mesa-dev@lists.freedesktop.org
Betreff: Re: [Mesa-dev] leak of gem_objects on intel i965
On Tue, 14 Jun 2011 12:20:28 +0200, Lampersperger Andreas
<lampersperger.andr...@heidenhain.de> wrote:
> Hello,
>
> running my application over a long time results in a kernel freeze or OOM
> kill, because reparenting a gtkglext drawing area on a intel i965 causes a
> leak of gem_objects.
That sounds like a simple test case to concoct. Do you have one handy?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
/*
* simple.c:
* Simple GtkGLExt example.
*
* written by Naofumi Yasufuku <naof...@users.sourceforge.net>
*/
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gtk/gtkgl.h>
#ifdef G_OS_WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#include <X11/Xlib.h>
static void
realize (GtkWidget *widget,
gpointer data)
{
GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
GLUquadricObj *qobj;
static GLfloat light_diffuse[] = {1.0, 0.0, 0.0, 1.0};
static GLfloat light_position[] = {1.0, 1.0, 1.0, 0.0};
/*** OpenGL BEGIN ***/
if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
return;
qobj = gluNewQuadric ();
gluQuadricDrawStyle (qobj, GLU_FILL);
glNewList (1, GL_COMPILE);
gluSphere (qobj, 1.0, 20, 20);
glEndList ();
glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv (GL_LIGHT0, GL_POSITION, light_position);
glEnable (GL_LIGHTING);
glEnable (GL_LIGHT0);
glEnable (GL_DEPTH_TEST);
glClearColor (1.0, 1.0, 1.0, 1.0);
glClearDepth (1.0);
glViewport (0, 0,
widget->allocation.width, widget->allocation.height);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gluPerspective (40.0, 1.0, 1.0, 10.0);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
gluLookAt (0.0, 0.0, 3.0,
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
glTranslatef (0.0, 0.0, -3.0);
gdk_gl_drawable_gl_end (gldrawable);
/*** OpenGL END ***/
}
static gboolean
configure_event (GtkWidget *widget,
GdkEventConfigure *event,
gpointer data)
{
GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
printf("configure_event gl_context %p \n", glcontext);
/*** OpenGL BEGIN ***/
if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
return FALSE;
glViewport (0, 0,
widget->allocation.width, widget->allocation.height);
gdk_gl_drawable_gl_end (gldrawable);
/*** OpenGL END ***/
return TRUE;
}
static gboolean
expose_event (GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
{
GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
/*** OpenGL BEGIN ***/
if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
return FALSE;
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glCallList (1);
if (gdk_gl_drawable_is_double_buffered (gldrawable))
gdk_gl_drawable_swap_buffers (gldrawable);
else
glFlush ();
gdk_gl_drawable_gl_end (gldrawable);
/*** OpenGL END ***/
return TRUE;
}
#define TAKT 500
static guint timeout_id = 0;
static GtkWidget *window = NULL;
static void timeout_add (GtkWidget *widget);
static void timeout_remove (GtkWidget *widget);
static GtkWidget *vbox = NULL;
static GtkWidget *drawing_area = NULL;
static GtkWidget *tempPlug = NULL;
static gboolean
timeout (GtkWidget *widget)
{
static int is_unmapped = 0;
GdkGLContext *glcontext = gtk_widget_get_gl_context (drawing_area);
timeout_remove(widget);
if (is_unmapped == 0) {
printf("map out --- gl_context %p \n", glcontext);
gtk_widget_reparent(drawing_area, tempPlug);
is_unmapped = 1;
}
else {
printf("map in ---- gl_context %p \n", glcontext);
gtk_widget_reparent(drawing_area, vbox);
is_unmapped = 0;
}
timeout_add (widget);
return TRUE;
}
static void
timeout_remove (GtkWidget *widget) {
if (timeout_id != 0)
{
g_source_remove (timeout_id);
timeout_id = 0;
}
}
static void
timeout_add (GtkWidget *widget)
{
if (timeout_id == 0)
{
timeout_id = g_timeout_add (TAKT,
(GSourceFunc) timeout,
window);
}
}
int
main (int argc,
char *argv[])
{
GdkGLConfig *glconfig;
gint major, minor;
GtkWidget *button;
/*
* Init GTK.
*/
gtk_init (&argc, &argv);
XSynchronize(GDK_DISPLAY(), True);
/*
* Init GtkGLExt.
*/
gtk_gl_init (&argc, &argv);
/*
* Query OpenGL extension version.
*/
gdk_gl_query_version (&major, &minor);
g_print ("\nOpenGL extension version - %d.%d\n",
major, minor);
/*
* Configure OpenGL-capable visual.
*/
/* Try double-buffered visual */
glconfig = gdk_gl_config_new_by_mode (GDK_GL_MODE_RGB |
GDK_GL_MODE_DEPTH |
GDK_GL_MODE_DOUBLE);
if (glconfig == NULL)
{
g_print ("*** Cannot find the double-buffered visual.\n");
g_print ("*** Trying single-buffered visual.\n");
/* Try single-buffered visual */
glconfig = gdk_gl_config_new_by_mode (GDK_GL_MODE_RGB |
GDK_GL_MODE_DEPTH);
if (glconfig == NULL)
{
g_print ("*** No appropriate OpenGL-capable visual found.\n");
exit (1);
}
}
//examine_gl_config_attrib (glconfig);
/*
* Top-level window.
*/
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "simple");
/* Get automatically redrawn if any of their children changed allocation. */
gtk_container_set_reallocate_redraws (GTK_CONTAINER (window), TRUE);
g_signal_connect (G_OBJECT (window), "delete_event",
G_CALLBACK (gtk_main_quit), NULL);
/*
* VBox.
*/
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_widget_show (vbox);
/*
* Drawing area for drawing OpenGL scene.
*/
drawing_area = gtk_drawing_area_new ();
gtk_widget_set_size_request (drawing_area, 200, 200);
/* Set OpenGL-capability to the widget. */
gtk_widget_set_gl_capability (drawing_area,
glconfig,
NULL,
TRUE,
GDK_GL_RGBA_TYPE);
g_signal_connect_after (G_OBJECT (drawing_area), "realize",
G_CALLBACK (realize), NULL);
g_signal_connect (G_OBJECT (drawing_area), "configure_event",
G_CALLBACK (configure_event), NULL);
g_signal_connect (G_OBJECT (drawing_area), "expose_event",
G_CALLBACK (expose_event), NULL);
gtk_box_pack_start (GTK_BOX (vbox), drawing_area, TRUE, TRUE, 0);
gtk_widget_show (drawing_area);
/*
* Simple quit button.
*/
button = gtk_button_new_with_label ("Quit");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (gtk_main_quit), NULL);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
if (! tempPlug)
tempPlug = gtk_plug_new(0);
/*
* Show window.
*/
gtk_widget_show (window);
timeout_add (window);
/*
* Main loop.
*/
gtk_main ();
return 0;
}
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