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/*
* 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, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <glib/gi18n-lib.h>
#include "cogl-debug.h"
#ifdef COGL_ENABLE_DEBUG
/* XXX: If you add a debug option, please also scroll down to
* cogl_arg_debug_cb() and add a "help" description of the option too.
*/
/* NB: Only these options get enabled if COGL_DEBUG=all is
* used since they don't affect the behaviour of Cogl they
* simply print out verbose information */
static const GDebugKey cogl_log_debug_keys[] = {
{ "handle", COGL_DEBUG_HANDLE },
{ "slicing", COGL_DEBUG_SLICING },
{ "atlas", COGL_DEBUG_ATLAS },
{ "blend-strings", COGL_DEBUG_BLEND_STRINGS },
{ "journal", COGL_DEBUG_JOURNAL },
{ "batching", COGL_DEBUG_BATCHING },
{ "matrices", COGL_DEBUG_MATRICES },
{ "draw", COGL_DEBUG_DRAW },
{ "opengl", COGL_DEBUG_OPENGL },
{ "pango", COGL_DEBUG_PANGO },
{ "show-source", COGL_DEBUG_SHOW_SOURCE},
{ "offscreen", COGL_DEBUG_OFFSCREEN },
{ "texture-pixmap", COGL_DEBUG_TEXTURE_PIXMAP },
{ "bitmap", COGL_DEBUG_BITMAP }
};
static const int n_cogl_log_debug_keys =
G_N_ELEMENTS (cogl_log_debug_keys);
static const GDebugKey cogl_behavioural_debug_keys[] = {
{ "rectangles", COGL_DEBUG_RECTANGLES },
{ "disable-batching", COGL_DEBUG_DISABLE_BATCHING },
{ "disable-vbos", COGL_DEBUG_DISABLE_VBOS },
{ "disable-pbos", COGL_DEBUG_DISABLE_PBOS },
{ "disable-software-transform", COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM },
{ "dump-atlas-image", COGL_DEBUG_DUMP_ATLAS_IMAGE },
{ "disable-atlas", COGL_DEBUG_DISABLE_ATLAS },
{ "disable-texturing", COGL_DEBUG_DISABLE_TEXTURING},
{ "disable-arbfp", COGL_DEBUG_DISABLE_ARBFP},
{ "disable-fixed", COGL_DEBUG_DISABLE_FIXED},
{ "disable-glsl", COGL_DEBUG_DISABLE_GLSL},
{ "disable-blending", COGL_DEBUG_DISABLE_BLENDING},
{ "disable-npot-textures", COGL_DEBUG_DISABLE_NPOT_TEXTURES},
{ "wireframe", COGL_DEBUG_WIREFRAME},
{ "disable-software-clip", COGL_DEBUG_DISABLE_SOFTWARE_CLIP}
};
static const int n_cogl_behavioural_debug_keys =
G_N_ELEMENTS (cogl_behavioural_debug_keys);
#endif /* COGL_ENABLE_DEBUG */
unsigned int cogl_debug_flags = 0;
#ifdef COGL_ENABLE_DEBUG
static unsigned int
_cogl_parse_debug_string (const char *value,
gboolean ignore_help)
{
unsigned int flags = 0;
if (ignore_help && strcmp (value, "help") == 0)
return 0;
/* We don't want to let g_parse_debug_string handle "all" because
* literally enabling all the debug options wouldn't be useful to
* anyone; instead the all option enables all non behavioural
* options.
*/
if (strcmp (value, "all") == 0 ||
strcmp (value, "verbose") == 0)
{
int i;
for (i = 0; i < n_cogl_log_debug_keys; i++)
flags |= cogl_log_debug_keys[i].value;
}
else if (strcmp (value, "help") == 0)
{
g_printerr ("\n\n%28s\n", "Supported debug values:");
#define OPT(MASK_NAME, GROUP, NAME, NAME_FORMATTED, DESCRIPTION) \
g_printerr ("%28s %s\n", NAME ":", DESCRIPTION);
#include "cogl-debug-options.h"
g_printerr ("\n%28s\n", "Special debug values:");
OPT (IGNORED, "ignored", "all", "ignored", \
"Enables all non-behavioural debug options");
OPT (IGNORED, "ignored", "verbose", "ignored", \
"Enables all non-behavioural debug options");
#undef OPT
exit (1);
}
else
{
flags |=
g_parse_debug_string (value,
cogl_log_debug_keys,
n_cogl_log_debug_keys);
flags |=
g_parse_debug_string (value,
cogl_behavioural_debug_keys,
n_cogl_behavioural_debug_keys);
}
return flags;
}
static gboolean
cogl_arg_debug_cb (const char *key,
const char *value,
gpointer user_data)
{
cogl_debug_flags |= _cogl_parse_debug_string (value, FALSE);
return TRUE;
}
static gboolean
cogl_arg_no_debug_cb (const char *key,
const char *value,
gpointer user_data)
{
cogl_debug_flags &= ~_cogl_parse_debug_string (value, TRUE);
return TRUE;
}
#endif /* COGL_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 |= _cogl_parse_debug_string (env_string, FALSE);
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;
}
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