224 lines
8 KiB
C
224 lines
8 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* A Low Level GPU Graphics and Utilities API
|
|
*
|
|
* Copyright (C) 2009 Intel Corporation.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "cogl/cogl-private.h"
|
|
#include "cogl/cogl-debug.h"
|
|
|
|
/* XXX: If you add a debug option, please also add an option
|
|
* definition to cogl-debug-options.h. This will enable us - for
|
|
* example - to emit a "help" description for the option.
|
|
*/
|
|
|
|
/* 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[] = {
|
|
{ "object", COGL_DEBUG_OBJECT },
|
|
{ "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},
|
|
{ "framebuffer", COGL_DEBUG_FRAMEBUFFER },
|
|
{ "offscreen", COGL_DEBUG_OFFSCREEN },
|
|
{ "texture-pixmap", COGL_DEBUG_TEXTURE_PIXMAP },
|
|
{ "bitmap", COGL_DEBUG_BITMAP },
|
|
{ "clipping", COGL_DEBUG_CLIPPING },
|
|
{ "winsys", COGL_DEBUG_WINSYS },
|
|
{ "performance", COGL_DEBUG_PERFORMANCE },
|
|
{ "textures", COGL_DEBUG_TEXTURES },
|
|
};
|
|
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-pbos", COGL_DEBUG_DISABLE_PBOS },
|
|
{ "disable-software-transform", COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM },
|
|
{ "disable-atlas", COGL_DEBUG_DISABLE_ATLAS },
|
|
{ "disable-shared-atlas", COGL_DEBUG_DISABLE_SHARED_ATLAS },
|
|
{ "disable-texturing", COGL_DEBUG_DISABLE_TEXTURING},
|
|
{ "disable-blending", COGL_DEBUG_DISABLE_BLENDING},
|
|
{ "wireframe", COGL_DEBUG_WIREFRAME},
|
|
{ "disable-software-clip", COGL_DEBUG_DISABLE_SOFTWARE_CLIP},
|
|
{ "disable-program-caches", COGL_DEBUG_DISABLE_PROGRAM_CACHES},
|
|
{ "disable-fast-read-pixel", COGL_DEBUG_DISABLE_FAST_READ_PIXEL},
|
|
{ "sync-primitive", COGL_DEBUG_SYNC_PRIMITIVE },
|
|
{ "sync-frame", COGL_DEBUG_SYNC_FRAME},
|
|
{ "stencilling", COGL_DEBUG_STENCILLING },
|
|
};
|
|
static const int n_cogl_behavioural_debug_keys =
|
|
G_N_ELEMENTS (cogl_behavioural_debug_keys);
|
|
|
|
unsigned long _cogl_debug_flags[COGL_DEBUG_N_LONGS];
|
|
GHashTable *_cogl_debug_instances;
|
|
|
|
static void
|
|
_cogl_parse_debug_string_for_keys (const char *value,
|
|
gboolean enable,
|
|
const GDebugKey *keys,
|
|
unsigned int nkeys)
|
|
{
|
|
int long_num, key_num;
|
|
|
|
/* g_parse_debug_string expects the value field in GDebugKey to be a
|
|
mask in an unsigned int but the flags are stored in an array of
|
|
multiple longs so we need to build a separate array for each
|
|
possible unsigned int */
|
|
|
|
for (long_num = 0; long_num < COGL_DEBUG_N_LONGS; long_num++)
|
|
{
|
|
int int_num;
|
|
|
|
for (int_num = 0;
|
|
int_num < sizeof (unsigned long) / sizeof (unsigned int);
|
|
int_num++)
|
|
{
|
|
GDebugKey keys_for_int[sizeof (unsigned int) * 8];
|
|
int nkeys_for_int = 0;
|
|
|
|
for (key_num = 0; key_num < nkeys; key_num++)
|
|
{
|
|
int long_index = COGL_FLAGS_GET_INDEX (keys[key_num].value);
|
|
int int_index = (keys[key_num].value %
|
|
(sizeof (unsigned long) * 8) /
|
|
(sizeof (unsigned int) * 8));
|
|
|
|
if (long_index == long_num && int_index == int_num)
|
|
{
|
|
keys_for_int[nkeys_for_int] = keys[key_num];
|
|
keys_for_int[nkeys_for_int].value =
|
|
COGL_FLAGS_GET_MASK (keys[key_num].value) >>
|
|
(int_num * sizeof (unsigned int) * 8);
|
|
nkeys_for_int++;
|
|
}
|
|
}
|
|
|
|
if (nkeys_for_int > 0)
|
|
{
|
|
unsigned long mask =
|
|
((unsigned long) g_parse_debug_string (value,
|
|
keys_for_int,
|
|
nkeys_for_int)) <<
|
|
(int_num * sizeof (unsigned int) * 8);
|
|
|
|
if (enable)
|
|
_cogl_debug_flags[long_num] |= mask;
|
|
else
|
|
_cogl_debug_flags[long_num] &= ~mask;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
_cogl_parse_debug_string (const char *value,
|
|
gboolean enable)
|
|
{
|
|
/* 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++)
|
|
if (enable)
|
|
COGL_DEBUG_SET_FLAG (cogl_log_debug_keys[i].value);
|
|
else
|
|
COGL_DEBUG_CLEAR_FLAG (cogl_log_debug_keys[i].value);
|
|
}
|
|
else if (g_ascii_strcasecmp (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);
|
|
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
|
|
|
|
g_printerr ("\n"
|
|
"%28s\n"
|
|
" COGL_DISABLE_GL_EXTENSIONS: %s\n"
|
|
" COGL_OVERRIDE_GL_VERSION: %s\n",
|
|
"Additional environment variables:",
|
|
"Comma-separated list of GL extensions to pretend are disabled",
|
|
"Override the GL version that Cogl will assume the driver supports");
|
|
exit (1);
|
|
}
|
|
else
|
|
{
|
|
_cogl_parse_debug_string_for_keys (value,
|
|
enable,
|
|
cogl_log_debug_keys,
|
|
n_cogl_log_debug_keys);
|
|
_cogl_parse_debug_string_for_keys (value,
|
|
enable,
|
|
cogl_behavioural_debug_keys,
|
|
n_cogl_behavioural_debug_keys);
|
|
}
|
|
}
|
|
|
|
void
|
|
_cogl_debug_check_environment (void)
|
|
{
|
|
const char *env_string;
|
|
|
|
env_string = g_getenv ("COGL_DEBUG");
|
|
if (env_string != NULL)
|
|
{
|
|
_cogl_parse_debug_string (env_string,
|
|
TRUE /* enable the flags */);
|
|
env_string = NULL;
|
|
}
|
|
|
|
env_string = g_getenv ("COGL_NO_DEBUG");
|
|
if (env_string != NULL)
|
|
{
|
|
_cogl_parse_debug_string (env_string,
|
|
FALSE /* disable the flags */);
|
|
env_string = NULL;
|
|
}
|
|
}
|