mutter/cogl/cogl-debug.c
Neil Roberts 636cef1bd6 cogl-atlas: Add a debug option to visualize the atlas
This adds a 'dump-atlas-image' debug category. When enabled, CoglAtlas
will use Cairo to create a png which visualizes the leaf rectangles of
the atlas.
2009-12-04 20:29:12 +00:00

135 lines
3.9 KiB
C

/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib/gi18n-lib.h>
#include "cogl-debug.h"
#ifdef COGL_ENABLE_DEBUG
static const GDebugKey cogl_debug_keys[] = {
{ "misc", COGL_DEBUG_MISC },
{ "texture", COGL_DEBUG_TEXTURE },
{ "material", COGL_DEBUG_MATERIAL },
{ "shader", COGL_DEBUG_SHADER },
{ "offscreen", COGL_DEBUG_OFFSCREEN },
{ "draw", COGL_DEBUG_DRAW },
{ "pango", COGL_DEBUG_PANGO },
{ "rectangles", COGL_DEBUG_RECTANGLES },
{ "handle", COGL_DEBUG_HANDLE },
{ "blend-strings", COGL_DEBUG_BLEND_STRINGS },
{ "disable-batching", COGL_DEBUG_DISABLE_BATCHING },
{ "disable-vbos", COGL_DEBUG_DISABLE_VBOS },
{ "journal", COGL_DEBUG_JOURNAL },
{ "batching", COGL_DEBUG_BATCHING },
{ "disable-software-transform", COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM },
{ "matrices", COGL_DEBUG_MATRICES },
{ "force-scanline-paths", COGL_DEBUG_FORCE_SCANLINE_PATHS },
{ "atlas", COGL_DEBUG_ATLAS },
{ "dump-atlas-image", COGL_DEBUG_DUMP_ATLAS_IMAGE }
};
static const gint n_cogl_debug_keys = G_N_ELEMENTS (cogl_debug_keys);
#endif /* COGL_ENABLE_DEBUG */
guint cogl_debug_flags = 0;
#ifdef COGL_ENABLE_DEBUG
static gboolean
cogl_arg_debug_cb (const char *key,
const char *value,
gpointer user_data)
{
cogl_debug_flags |=
g_parse_debug_string (value,
cogl_debug_keys,
n_cogl_debug_keys);
return TRUE;
}
static gboolean
cogl_arg_no_debug_cb (const char *key,
const char *value,
gpointer user_data)
{
cogl_debug_flags &=
~g_parse_debug_string (value,
cogl_debug_keys,
n_cogl_debug_keys);
return TRUE;
}
#endif /* CLUTTER_ENABLE_DEBUG */
static GOptionEntry cogl_args[] = {
#ifdef COGL_ENABLE_DEBUG
{ "cogl-debug", 0, 0, G_OPTION_ARG_CALLBACK, cogl_arg_debug_cb,
N_("COGL debugging flags to set"), "FLAGS" },
{ "cogl-no-debug", 0, 0, G_OPTION_ARG_CALLBACK, cogl_arg_no_debug_cb,
N_("COGL debugging flags to unset"), "FLAGS" },
#endif /* COGL_ENABLE_DEBUG */
{ NULL, },
};
static gboolean
pre_parse_hook (GOptionContext *context,
GOptionGroup *group,
gpointer data,
GError **error)
{
#ifdef COGL_ENABLE_DEBUG
const char *env_string;
env_string = g_getenv ("COGL_DEBUG");
if (env_string != NULL)
{
cogl_debug_flags =
g_parse_debug_string (env_string,
cogl_debug_keys,
n_cogl_debug_keys);
env_string = NULL;
}
#endif /* COGL_ENABLE_DEBUG */
return TRUE;
}
GOptionGroup *
cogl_get_option_group (void)
{
GOptionGroup *group;
group = g_option_group_new ("cogl",
_("COGL Options"),
_("Show COGL options"),
NULL, NULL);
g_option_group_set_parse_hooks (group, pre_parse_hook, NULL);
g_option_group_add_entries (group, cogl_args);
g_option_group_set_translation_domain (group, GETTEXT_PACKAGE);
return group;
}